html[data-theme=dark]{--ink:#f2eee6;--paper:#171717;--acid:#d9f44b;--coral:#ff7659;--blue:#829bff;--muted:#aaa;--soft-line:#666;--shadow:#000}
.theme-toggle{border:var(--line);background:var(--paper);color:var(--ink);padding:9px 11px;display:flex;align-items:center;gap:7px;cursor:pointer;font:11px var(--mono);text-transform:uppercase;box-shadow:3px 3px 0 var(--shadow);transition:transform .2s,box-shadow .2s}.theme-toggle:hover{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--shadow)}.theme-icon{font-size:16px;line-height:1}.nav-links a span{color:var(--muted)}.publication{border-bottom:1px solid var(--soft-line)}.filter-button{border-bottom:1px solid var(--soft-line)}
:root{--ink:#171717;--paper:#f2eee6;--acid:#d9f44b;--coral:#ff6545;--blue:#6e8cff;--line:2px solid var(--ink);--mono:'DM Mono',monospace;--sans:'Space Grotesk',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.45}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}.site-shell{overflow:hidden}.topbar{height:78px;border-bottom:var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,4vw,64px);background:var(--paper);position:relative;z-index:5}.wordmark{font-size:24px;font-weight:700;letter-spacing:-2px}.wordmark span{color:var(--coral)}.nav-links{display:flex;gap:34px;font-family:var(--mono);font-size:12px;text-transform:uppercase}.nav-links a span{color:#777;margin-left:5px}.top-cta{border:var(--line);box-shadow:4px 4px 0 var(--ink);padding:10px 14px;background:var(--acid);font-family:var(--mono);font-size:12px;text-transform:uppercase;transition:transform .2s,box-shadow .2s}.top-cta:hover{transform:translate(3px,3px);box-shadow:1px 1px 0 var(--ink)}.section-rule{border-bottom:var(--line)}.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);min-height:690px}.hero-copy{padding:clamp(50px,8vw,120px) clamp(24px,7vw,110px);display:flex;align-items:flex-start;flex-direction:column}.eyebrow,.section-index{font:500 11px var(--mono);text-transform:uppercase;letter-spacing:.02em}.status-dot{display:inline-block;width:9px;height:9px;background:var(--coral);border:1px solid var(--ink);margin-right:8px;border-radius:50%}.hero h1{font-size:clamp(68px,9vw,150px);line-height:.86;letter-spacing:-.085em;margin:46px 0 38px;font-weight:700}.hero h1 em,.contact-section h2 em{font-family:Georgia,serif;font-weight:400;letter-spacing:-.08em;color:var(--coral)}.hero-intro{max-width:450px;font-size:18px;line-height:1.35;margin:0 0 32px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{padding:13px 17px;border:var(--line);font:500 12px var(--mono);text-transform:uppercase;cursor:pointer;transition:transform .2s,box-shadow .2s}.button span{margin-left:19px;font-size:16px}.button-dark{background:var(--ink);color:var(--paper);box-shadow:5px 5px 0 var(--coral)}.button-light{background:transparent}.button:hover{transform:translate(3px,3px);box-shadow:1px 1px 0 var(--ink)}.hero-art{background:var(--blue);border-left:var(--line);position:relative;min-height:580px;overflow:hidden}.art-label,.art-caption{font:11px var(--mono);line-height:1.5;position:absolute;z-index:2}.art-label{top:35px;left:35px}.art-caption{bottom:32px;right:35px;text-align:right}.sun-shape{width:45%;aspect-ratio:1;background:var(--coral);border-radius:50%;position:absolute;top:20%;left:18%}.art-mark{position:absolute;font-size:40px;font-weight:700}.mark-one{top:45%;right:8%}.mark-two{bottom:15%;left:10%}.ticker{overflow:hidden;background:var(--acid);border-bottom:var(--line);white-space:nowrap}.ticker-track{display:flex;align-items:center;gap:25px;width:max-content;animation:scroll 28s linear infinite;padding:14px 0;font:500 13px var(--mono)}.ticker b{font-size:20px;color:var(--coral)}@keyframes scroll{to{transform:translateX(-50%)}}.work-section,.writing-section{padding:clamp(60px,9vw,130px) clamp(20px,7vw,110px)}.section-heading{display:grid;grid-template-columns:1fr 1.2fr 1fr;align-items:start;margin-bottom:70px;gap:30px}.section-heading h2,.about-copy h2{font-size:clamp(50px,6vw,90px);line-height:.9;letter-spacing:-.07em;margin:0}.section-heading h2 span,.about-copy h2 span{font-family:Georgia,serif;font-weight:400}.section-note{max-width:300px;margin:5px 0 0 auto;font-size:15px}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);align-items:start;gap:56px 24px}.project-card{min-width:0}.project-card:nth-child(2){margin-top:85px}.project-card:nth-child(3){margin-top:35px}.project-card:nth-child(4){margin-top:0}.project-card:nth-child(5){margin-top:60px}.project-visual{aspect-ratio:1/1;height:auto;border:var(--line);position:relative;overflow:hidden;margin-bottom:16px}.project-visual>span{position:absolute;left:18px;top:18px;font:bold clamp(28px,3.4vw,56px)/.85 var(--sans);letter-spacing:-.08em;z-index:2}.project-visual i{font:12px var(--mono);position:absolute;right:18px;top:18px}.visual-neuralsched{background:var(--coral)}.visual-neuralsched>span{color:var(--acid)}.signal{position:absolute;border:var(--line);border-radius:50%;width:120%;aspect-ratio:1;left:-10%;top:30%;transform:rotate(20deg)}.signal-b{width:95%;top:46%;left:20%;border-color:var(--acid)}.signal-c{width:70%;top:65%;left:-20%;border-color:var(--ink)}.visual-lexsecure{background:var(--acid)}.visual-lexsecure>span{color:var(--blue)}.lex-lines{position:absolute;inset:28% 12% 10%;border:var(--line);background:repeating-linear-gradient(0deg,transparent 0 20px,var(--ink) 21px 23px);transform:rotate(-8deg)}.visual-usb{background:var(--blue)}.visual-usb>span{color:var(--paper)}.usb-drive{position:absolute;width:calc(42% - 2px);height:70%;left:30%;top:22%;background:var(--ink);border:var(--line);transform:rotate(35deg)}.usb-port{position:absolute;width:14%;height:24%;left:57%;top:15%;background:var(--paper);border:var(--line);transform:rotate(35deg)}.project-meta{display:flex;justify-content:space-between;font:11px var(--mono);text-transform:uppercase;margin-bottom:10px}.project-card h3{font-size:28px;letter-spacing:-.05em;margin:0 0 7px}.project-card p{max-width:380px;margin:0 0 18px}.text-link{font:500 12px var(--mono);text-transform:uppercase;border-bottom:1px solid var(--ink);padding-bottom:4px}.text-link span{margin-left:15px}.stats-band{background:var(--ink);color:var(--paper);display:grid;grid-template-columns:repeat(4,1fr);padding:38px clamp(20px,7vw,110px);gap:24px}.stats-band div{display:flex;flex-direction:column;gap:6px}.stats-band strong{font-size:54px;letter-spacing:-.07em;color:var(--acid);line-height:1}.stats-band span{font:11px var(--mono);text-transform:uppercase;color:#aaa}.writing-heading{margin-bottom:64px}.publication-list{display:grid;grid-template-columns:repeat(6,1fr);gap:0 15px}.filter-button{background:transparent;border:0;border-bottom:1px solid #999;padding:12px 0;text-align:left;font:11px var(--mono);text-transform:uppercase;cursor:pointer}.filter-button span{float:right;color:#777}.filter-button.active{border-bottom:var(--line);font-weight:600}.publications{grid-column:1/-1}.publication{display:grid;grid-template-columns:45px 1fr 120px;gap:20px;padding:26px 0;border-bottom:1px solid #999;align-items:start;transition:background .2s}.publication:hover{background:var(--acid);margin:0 -15px;padding-left:15px;padding-right:15px}.publication.hidden{display:none}.pub-number{font:12px var(--mono)}.publication h3{font-size:20px;line-height:1.12;margin:0 0 8px;max-width:760px;letter-spacing:-.035em}.publication p{font:11px var(--mono);margin:0;color:#666;text-transform:uppercase}.pub-state{font:10px var(--mono);text-transform:uppercase;text-align:right}.pub-state:before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:currentColor;margin-right:6px}.published,.accepted{color:#278042}.review{color:#e07800}.ongoing{color:#666}.dataset,.datapaper{color:#0969da}.about-section{padding:clamp(65px,9vw,130px) clamp(20px,7vw,110px);display:grid;grid-template-columns:1fr 1fr;gap:clamp(50px,9vw,150px);background:var(--coral)}.about-photo{display:flex;flex-direction:column;align-items:flex-start}.photo-frame{aspect-ratio:1/1.18;width:min(100%,440px);background:var(--blue);border:var(--line);position:relative;overflow:hidden}.photo-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(23,23,23,.2) 1px,transparent 1px),linear-gradient(90deg,rgba(23,23,23,.2) 1px,transparent 1px);background-size:32px 32px}.photo-label{position:absolute;top:18px;left:18px;font:11px var(--mono)}.photo-initials{position:absolute;font-size:clamp(100px,16vw,220px);font-weight:700;letter-spacing:-.13em;bottom:-.08em;left:8%;color:var(--acid);text-shadow:5px 5px 0 var(--ink)}.photo-note{font:11px var(--mono);margin-top:15px}.about-copy{padding-top:8px}.about-copy h2{margin:35px 0}.about-copy>p:not(.section-index){font-size:19px;max-width:560px}.skill-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:35px}.skill-list span{border:1px solid var(--ink);padding:7px 10px;font:11px var(--mono);background:var(--paper)}.contact-section{padding:clamp(60px,8vw,115px) clamp(20px,7vw,110px);display:flex;justify-content:space-between;align-items:end;background:#14161b;color:#f4f2ed;border-top:var(--line)}.contact-section .section-index{color:var(--coral);letter-spacing:.06em}.contact-section h2{font-size:clamp(60px,9vw,135px);line-height:.82;letter-spacing:-.09em;margin:35px 0 0;color:#f4f2ed}.contact-section h2 em{font-family:Georgia,serif;font-weight:400;letter-spacing:-.08em;color:var(--acid)}.contact-button{border:2px solid #f4f2ed;background:#f4f2ed;color:#14161b;box-shadow:6px 6px 0 var(--coral);padding:20px 28px;font:600 13px var(--mono);text-transform:uppercase;letter-spacing:.04em;transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s}.contact-button span{font-size:20px;margin-left:24px;color:var(--coral);transition:color .2s}.contact-button:hover{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--coral);background:var(--acid);border-color:var(--acid);color:#14161b}.contact-button:hover span{color:#14161b}.footer{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px clamp(20px,4vw,64px);font:10px var(--mono);text-transform:uppercase;background:var(--paper)}.footer-links{display:flex;gap:20px}.footer a{text-decoration:underline;text-underline-offset:3px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:var(--acid);border:var(--line);padding:13px 16px;font:11px var(--mono);opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:9}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:800px){.topbar{height:64px;position:relative;z-index:50}.hero{grid-template-columns:1fr}.hero-copy{padding:60px 22px 70px}.hero h1{font-size:clamp(68px,21vw,130px);margin:36px 0}.hero-intro{font-size:17px}.hero-art{min-height:500px;border-left:0;border-top:var(--line)}.section-heading{grid-template-columns:1fr;gap:24px;margin-bottom:45px}.section-note{margin:0}.work-section,.writing-section,.about-section{padding-left:22px;padding-right:22px}.project-grid{grid-template-columns:1fr}.project-card:nth-child(2),.project-card:nth-child(3),.project-card:nth-child(4),.project-card:nth-child(5){margin-top:40px}.project-visual{height:min(95vw,420px)}.stats-band{grid-template-columns:repeat(2,1fr);padding-left:22px;padding-right:22px}.publication-list{grid-template-columns:repeat(2,1fr);gap:0 18px}.publications{margin-top:25px}.publication{grid-template-columns:30px 1fr;gap:10px}.pub-state{grid-column:2;text-align:left}.publication h3{font-size:18px}.about-section{grid-template-columns:1fr;gap:55px}.contact-section{display:block}.contact-button{display:inline-block;margin-top:45px}.footer{flex-wrap:wrap}.footer>span:nth-child(2){order:3;width:100%}}
@media(max-width:440px){.hero-actions{display:grid;width:100%}.button{text-align:left}.publication-list{grid-template-columns:1fr 1fr}.ticker-track{gap:16px}.stats-band strong{font-size:44px}.footer-links{gap:10px}}
.hero-title-wrap{position:relative;isolation:isolate}.hero-tag{--cursor-x:0px;--cursor-y:0px;position:absolute;z-index:2;padding:5px 10px;background:var(--acid);color:#171717;font:400 clamp(12px,1.35vw,18px) var(--sans);line-height:1.1;white-space:nowrap;pointer-events:none;will-change:transform,margin-top;animation:tag-drift 3.6s ease-in-out infinite;transition:filter .3s}.hero-tag-research{top:18%;right:7%;background:#55eb1e;color:#171717;transform:translate3d(calc(var(--cursor-x) * 1.35),calc(var(--cursor-y) * 1.35),0) rotate(-2deg)}.hero-tag-cybersecurity{top:48%;left:23%;background:#46d7f5;color:#171717;animation-delay:-1.8s;transform:translate3d(calc(var(--cursor-x) * 1.35),calc(var(--cursor-y) * 1.35),0) rotate(2deg)}.hero-tag-networking{--networking-base:8%;bottom:var(--networking-base);right:13%;background:var(--acid);color:#171717;animation:networking-drift 3.6s ease-in-out infinite;transform:translate3d(calc(var(--cursor-x) * 1.35),calc(var(--cursor-y) * 1.35),0) rotate(-1deg)}@keyframes tag-drift{0%,100%{margin-top:0}50%{margin-top:-12px}}@keyframes networking-drift{0%,100%{bottom:var(--networking-base)}50%{bottom:calc(var(--networking-base) + 12px)}}.hero-title-wrap:hover .hero-tag{filter:saturate(1.2) brightness(1.03)}
@media(max-width:800px){.hero-tag{padding:4px 8px;font-size:12px}.hero-tag-research{top:19%;right:4%}.hero-tag-cybersecurity{top:48%;left:18%}.hero-tag-networking{--networking-base:7%;right:7%}}
@media(prefers-reduced-motion:reduce){.hero-tag{animation:none;transition:none}}
.publication-link{background:linear-gradient(transparent 72%,var(--acid) 72%);transition:background .2s}.publication-link:hover{background:linear-gradient(transparent 45%,var(--acid) 45%)}

.education-section{padding:clamp(60px,9vw,130px) clamp(20px,7vw,110px);display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:clamp(40px,8vw,120px)}.education-heading{display:block;margin:0}.education-heading .section-note{margin-top:30px;max-width:300px}.education-list{border-top:var(--line)}.education-entry{display:grid;grid-template-columns:minmax(145px,.38fr) minmax(0,1fr);gap:28px;padding:27px 0;border-bottom:1px solid var(--soft-line)}.education-entry.education-current{border-bottom:none}.education-date{font:500 11px var(--mono);text-transform:uppercase;line-height:1.5;color:var(--muted)}.education-detail h3{font-size:clamp(21px,2.2vw,30px);line-height:1.05;letter-spacing:-.04em;margin:0 0 10px}.education-institution,.education-result{margin:0;font-size:15px}.education-institution{color:var(--muted)}.education-result{margin-top:16px;font-family:var(--mono);font-size:12px;text-transform:uppercase}.education-result strong{color:var(--coral);font-weight:500}
@media(max-width:800px){.education-section{display:block;padding-left:22px;padding-right:22px}.education-heading{margin-bottom:45px}.education-heading .section-note{max-width:none;margin-top:0}.education-entry{grid-template-columns:1fr;gap:10px}.education-date{color:var(--coral)}}
.certifications-section{padding:clamp(60px,9vw,130px) clamp(20px,7vw,110px);display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:clamp(40px,8vw,120px)}.certifications-heading{display:block;margin:0}.certifications-heading .section-note{margin-top:30px;max-width:300px}.certification-list{border-top:var(--line)}.certification-entry{display:grid;grid-template-columns:145px minmax(0,1fr);gap:28px;padding:30px 0;border-bottom:var(--line)}.certification-mark{display:flex;align-items:center;justify-content:center;aspect-ratio:1;background:var(--acid);border:var(--line);box-shadow:5px 5px 0 var(--ink);font:500 12px var(--mono);line-height:1.25;text-align:center}.certification-type{margin:0 0 12px;color:var(--muted);font:500 11px var(--mono);text-transform:uppercase}.certification-detail h3{font-size:clamp(21px,2.2vw,30px);line-height:1.05;letter-spacing:-.04em;margin:0 0 22px}.certification-detail .text-link{font-size:12px}
@media(max-width:800px){.certifications-section{display:block;padding-left:22px;padding-right:22px}.certifications-heading{margin-bottom:45px}.certifications-heading .section-note{max-width:none;margin-top:0}.certification-entry{grid-template-columns:100px minmax(0,1fr);gap:20px}.certification-mark{font-size:10px}}
.experience-section{padding:clamp(60px,9vw,130px) clamp(20px,7vw,110px);display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:clamp(40px,8vw,120px)}.experience-heading{display:block;margin:0}.experience-heading .section-note{margin-top:30px;max-width:300px}.experience-list{border-top:var(--line)}.experience-entry{border-bottom:var(--line);padding:30px 0}.experience-meta{display:flex;justify-content:space-between;gap:20px;margin-bottom:24px;font:500 11px var(--mono);text-transform:uppercase;color:var(--coral)}.experience-meta span:last-child{color:var(--muted)}.experience-detail h3{font-size:clamp(24px,3vw,42px);line-height:1;letter-spacing:-.05em;margin:0 0 16px}.experience-detail p{font-size:18px;line-height:1.35;max-width:650px;margin:0}
@media(max-width:800px){.experience-section{display:block;padding-left:22px;padding-right:22px}.experience-heading{margin-bottom:45px}.experience-heading .section-note{max-width:none;margin-top:0}.experience-meta{display:grid;gap:6px;margin-bottom:20px}.experience-detail p{font-size:16px}}
.activities-section{padding:clamp(60px,9vw,130px) clamp(20px,7vw,110px);display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:clamp(40px,8vw,120px)}.activities-heading{display:block;margin:0}.activities-heading .section-note{margin-top:30px;max-width:300px}.activities-list{border-top:var(--line)}.activity-entry{display:grid;grid-template-columns:minmax(145px,.38fr) minmax(0,1fr);gap:28px;padding:24px 0;border-bottom:1px solid var(--soft-line)}.activity-entry:last-child{border-bottom:var(--line)}.activity-date{font:500 11px var(--mono);text-transform:uppercase;line-height:1.5;color:var(--coral)}.activity-detail h3{font-size:clamp(20px,2.1vw,28px);line-height:1.08;letter-spacing:-.04em;margin:0}.activity-detail p{margin:9px 0 0;color:var(--muted);font-size:15px}
@media(max-width:800px){.activities-section{display:block;padding-left:22px;padding-right:22px}.activities-heading{margin-bottom:45px}.activities-heading .section-note{max-width:none;margin-top:0}.activity-entry{grid-template-columns:1fr;gap:8px}.activity-date{font-size:10px}}

.publications-more-wrap{grid-column:1/-1;display:flex;justify-content:center;padding-top:36px}
.see-more-button{background:var(--paper);color:var(--ink);border:var(--line);box-shadow:4px 4px 0 var(--ink);padding:14px 28px;font:500 12px var(--mono);text-transform:uppercase;letter-spacing:.04em;cursor:pointer;display:inline-flex;align-items:center;gap:12px;transition:transform .2s,box-shadow .2s,background .2s}
.see-more-button:hover{background:var(--acid);transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.see-more-count{color:var(--coral);font-weight:600}
.see-more-arrow{font-size:15px;line-height:1}
html[data-theme=dark] .see-more-button{box-shadow:4px 4px 0 var(--shadow)}
html[data-theme=dark] .see-more-button:hover{box-shadow:2px 2px 0 var(--shadow);color:#171717}
@media(max-width:440px){.see-more-button{width:100%;justify-content:center}}

/* Research Profile Vertical Layout in Section Lead Column */
.section-lead-col {
  display: flex;
  flex-direction: column;
}

.research-profiles-vertical {
  margin-top: 32px;
}

.vertical-profiles-label {
  font: 700 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--coral);
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
}

.vertical-profiles-label::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--coral);
  border: 1px solid var(--ink);
  border-radius: 50%;
  flex-shrink: 0;
}

.vertical-profiles-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.vertical-profile-item {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  max-width: 290px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(23, 23, 23, 0.22);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.vertical-profile-item:hover {
  border-bottom-color: var(--coral);
  transform: translateX(3px);
}

.vpi-meta {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.vpi-name {
  font: 700 13px var(--mono);
  color: var(--ink);
  text-transform: capitalize;
  letter-spacing: 0.01em;
  transition: color 0.18s ease;
}

.vpi-info {
  font: 500 11px var(--mono);
  color: var(--muted);
  letter-spacing: 0.02em;
  transition: color 0.18s ease;
}

.vpi-arrow {
  font-size: 13px;
  font-weight: 700;
  color: var(--coral);
  transition: transform 0.18s ease, color 0.18s ease;
  flex-shrink: 0;
}

.vertical-profile-item:hover .vpi-name {
  color: var(--coral);
}

.vertical-profile-item:hover .vpi-info {
  color: var(--ink);
}

.vertical-profile-item:hover .vpi-arrow {
  transform: translate(2px, -2px);
}

/* Dark mode */
html[data-theme=dark] .vertical-profiles-label::before {
  border-color: #f2eee6;
}

html[data-theme=dark] .vertical-profile-item {
  border-bottom-color: rgba(242, 238, 230, 0.22);
}

html[data-theme=dark] .vpi-name {
  color: #f2eee6;
}

html[data-theme=dark] .vpi-info {
  color: #8c909c;
}

html[data-theme=dark] .vertical-profile-item:hover {
  border-bottom-color: var(--acid);
}

html[data-theme=dark] .vertical-profile-item:hover .vpi-name {
  color: var(--acid);
}

html[data-theme=dark] .vertical-profile-item:hover .vpi-info {
  color: #f2eee6;
}

html[data-theme=dark] .vertical-profile-item:hover .vpi-arrow {
  color: var(--acid);
}

@media (max-width: 800px) {
  .research-profiles-vertical {
    margin-top: 20px;
    margin-bottom: 12px;
  }
  .vertical-profiles-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .vertical-profile-item {
    max-width: 100%;
  }
}

html[data-theme=dark] .contact-section{background:#111216;color:#f0eee8;border-top:1px solid var(--soft-line)}
html[data-theme=dark] .contact-section h2{color:#f0eee8}
html[data-theme=dark] .contact-button{background:#f0eee8;color:#111216;border-color:#f0eee8;box-shadow:6px 6px 0 var(--shadow)}
html[data-theme=dark] .contact-button:hover{background:var(--acid);border-color:var(--acid);color:#111216;box-shadow:2px 2px 0 var(--shadow)}

/* Publication Item Hover Subtle Scale Animation */
.publication {
  position: relative;
  transform-origin: center center;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), background 0.2s ease, box-shadow 0.22s ease, margin 0.2s ease, padding 0.2s ease;
  will-change: transform;
}
.publication:hover {
  transform: scale(1.014);
  z-index: 2;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
}
html[data-theme=dark] .publication:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
  color: #171717;
}
html[data-theme=dark] .publication:hover h3,
html[data-theme=dark] .publication:hover p,
html[data-theme=dark] .publication:hover .pub-number,
html[data-theme=dark] .publication:hover a {
  color: #171717;
}
html[data-theme=dark] .dataset,
html[data-theme=dark] .datapaper {
  color: #38bdf8;
}

/* Publication Smooth Fade-In Animation on Filtering */
@keyframes pubFadeIn {
  0% {
    opacity: 0;
    transform: translateY(12px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.publication.pub-animating {
  animation: pubFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(var(--pub-anim-index, 0) * 35ms);
  will-change: opacity, transform;
}

@media (prefers-reduced-motion: reduce) {
  .publication, .publication:hover {
    transform: none !important;
    transition: none !important;
  }
  .publication.pub-animating {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Filter buttons tactile transitions */
.filter-button {
  transition: color 0.18s ease, border-color 0.18s ease, opacity 0.18s ease;
}
.filter-button:hover {
  color: var(--coral);
}
.filter-button.active {
  color: var(--ink);
}
html[data-theme=dark] .filter-button.active {
  color: var(--paper);
}

/* Export BibTeX Button Styles */
.pub-actions {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bibtex-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--paper);
  border: 1px solid var(--ink);
  color: var(--ink);
  font: 500 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 5px 10px;
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  line-height: 1;
}

.bibtex-btn-icon {
  font-size: 11px;
  line-height: 1;
  display: inline-block;
}

.bibtex-button:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

.bibtex-button:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0;
}

/* In dark mode */
html[data-theme=dark] .bibtex-button {
  background: #24262d;
  border-color: #555;
  color: #eee;
  box-shadow: 2px 2px 0 var(--shadow);
}

html[data-theme=dark] .bibtex-button:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 1px 1px 0 var(--shadow);
}

/* When the whole publication card is hovered */
.publication:hover .bibtex-button {
  background: var(--paper);
  border-color: #171717;
  color: #171717;
  box-shadow: 2px 2px 0 #171717;
}

.publication:hover .bibtex-button:hover {
  background: #171717;
  color: var(--acid);
  border-color: #171717;
  box-shadow: 1px 1px 0 #171717;
}

/* Copied state */
.bibtex-button.copied {
  background: #1f7a37 !important;
  color: #ffffff !important;
  border-color: #1f7a37 !important;
  box-shadow: 1px 1px 0 #171717 !important;
  transform: translate(1px, 1px);
}

/* Diamond Pixel Arrow */
.pixel-arrow {
  width: 14px;
  height: 14px;
  display: inline-block;
  vertical-align: -1px;
  margin-left: 10px;
  color: #35db20;
  fill: currentColor;
  flex-shrink: 0;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), filter 0.18s ease;
}

.pixel-arrow-orange {
  color: var(--coral);
  margin-left: 0;
  width: 13px;
  height: 13px;
}

.vertical-profile-item .pixel-arrow {
  margin-left: 0;
}

.vertical-profile-item:hover .pixel-arrow-orange {
  transform: translate(2px, -2px);
  filter: brightness(1.15) drop-shadow(0 0 6px rgba(255, 101, 69, 0.55));
}

.text-link {
  display: inline-flex;
  align-items: center;
  font: 500 12px var(--mono);
  text-transform: uppercase;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 4px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.text-link:hover .pixel-arrow {
  transform: translate(3px, -3px);
  filter: brightness(1.15) drop-shadow(0 0 6px rgba(53, 219, 32, 0.45));
}

html[data-theme=dark] .text-link {
  border-bottom-color: var(--soft-line);
}

html[data-theme=dark] .text-link:hover {
  border-bottom-color: var(--acid);
}

html[data-theme=dark] .pixel-arrow {
  color: #44e82e;
}

html[data-theme=dark] .pixel-arrow-orange {
  color: var(--coral);
}

html[data-theme=dark] .vertical-profile-item:hover .pixel-arrow-orange {
  color: var(--coral);
  filter: brightness(1.2) drop-shadow(0 0 7px rgba(255, 118, 89, 0.65));
}

/* See More Papers Pixel Arrow */
.see-more-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.see-more-button .pixel-arrow {
  margin-left: 0;
  width: 13px;
  height: 13px;
  color: var(--coral);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), filter 0.18s ease;
  transform: rotate(90deg);
}

.see-more-button:hover .pixel-arrow {
  transform: rotate(90deg) translate(2px, 2px);
  filter: brightness(1.15) drop-shadow(0 0 6px rgba(255, 101, 69, 0.55));
}

.see-more-button[aria-expanded="true"] .pixel-arrow {
  transform: rotate(-90deg);
}

.see-more-button[aria-expanded="true"]:hover .pixel-arrow {
  transform: rotate(-90deg) translate(-2px, -2px);
  filter: brightness(1.15) drop-shadow(0 0 6px rgba(255, 101, 69, 0.55));
}

html[data-theme=dark] .see-more-button .pixel-arrow {
  color: var(--coral);
}

html[data-theme=dark] .see-more-button:hover .pixel-arrow {
  color: var(--coral);
  filter: brightness(1.2) drop-shadow(0 0 7px rgba(255, 118, 89, 0.65));
}

/* Footer Links Pixel Arrow */
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--ink);
  transition: opacity 0.18s ease;
}

.pixel-arrow-black {
  color: var(--ink);
  width: 9px;
  height: 9px;
  margin-left: 2px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.footer-links a:hover .pixel-arrow-black {
  transform: translate(2px, -2px);
}

html[data-theme=dark] .pixel-arrow-black {
  color: var(--ink);
}

/* Contact Button Pixel Arrow */
.contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.pixel-arrow-contact {
  color: var(--coral);
  width: 15px;
  height: 15px;
  margin-left: 12px;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease;
}

.contact-button:hover .pixel-arrow-contact,
.contact-button:focus-visible .pixel-arrow-contact {
  color: #14161b;
  transform: translate(4px, -4px);
  filter: none;
}

html[data-theme=dark] .contact-button .pixel-arrow-contact {
  color: var(--coral);
}

html[data-theme=dark] .contact-button:hover .pixel-arrow-contact,
html[data-theme=dark] .contact-button:focus-visible .pixel-arrow-contact {
  color: #111216;
  filter: none;
}

/* Hero See Selected Work Button Pixel Arrow */
.button-dark {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
}

.pixel-arrow-work {
  color: var(--coral);
  width: 14px;
  height: 14px;
  margin-left: 14px;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
  transform: rotate(135deg);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), filter 0.2s ease, color 0.2s ease;
}

.button-dark:hover .pixel-arrow-work,
.button-dark:focus-visible .pixel-arrow-work {
  transform: translateY(3px) rotate(135deg);
  filter: brightness(1.2) drop-shadow(0 0 7px rgba(255, 101, 69, 0.7));
}

html[data-theme=dark] .pixel-arrow-work {
  color: var(--coral);
}

html[data-theme=dark] .button-dark:hover .pixel-arrow-work,
html[data-theme=dark] .button-dark:focus-visible .pixel-arrow-work {
  color: var(--coral);
  filter: brightness(1.25) drop-shadow(0 0 8px rgba(255, 118, 89, 0.8));
}

/* Portrait Card in Hero Art (Clean neo-brutalist styling, no glow) */
.portrait-card {
  position: absolute;
  width: 58%;
  height: 68%;
  left: 30%;
  bottom: 12%;
  transform: rotate(7deg);
  border-radius: 18px;
  cursor: default;
  z-index: 2;
  display: block;
}

.portrait-head {
  position: absolute;
  width: 47%;
  aspect-ratio: 1;
  right: 18%;
  top: 3%;
  background: #f0b889;
  border: var(--line);
  border-radius: 50%;
  z-index: 2;
}

.portrait-neck {
  position: absolute;
  width: 21%;
  height: 24%;
  right: 30%;
  top: 36%;
  background: #f0b889;
  border: var(--line);
  z-index: 1;
}

.portrait-body {
  position: absolute;
  width: 88%;
  height: 62%;
  bottom: 0;
  left: 4%;
  background: var(--acid);
  border: var(--line);
  border-radius: 49% 49% 0 0;
}

.portrait-shine {
  position: absolute;
  width: 20%;
  height: 40%;
  right: 23%;
  top: 15%;
  background: var(--ink);
  border-radius: 50%;
  z-index: 3;
  transform: rotate(35deg);
}

.portrait-card:focus-visible {
  outline: none;
}

/* GPU Accelerator Card inside NeuralSched (Static, no glow, clean neo-brutalist styling) */
.visual-neuralsched {
  position: relative;
  overflow: hidden;
}

.visual-neuralsched > span,
.visual-neuralsched > i {
  position: absolute;
  z-index: 4;
}

.visual-neuralsched .signal {
  z-index: 1;
}

.visual-neuralsched .gpu-card {
  position: absolute;
  width: 78%;
  max-width: 340px;
  aspect-ratio: 520 / 260;
  left: 52%;
  top: 54%;
  transform: translate(-50%, -50%) rotate(-52deg);
  transform-origin: center center;
  border-radius: 14px;
  cursor: default;
  z-index: 2;
  display: block;
}

.visual-neuralsched .gpu-svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
  filter: drop-shadow(5px 7px 0px var(--ink));
}

html[data-theme=dark] .visual-neuralsched .gpu-svg {
  filter: drop-shadow(5px 7px 0px rgba(0, 0, 0, 0.85));
}

/* Dual Fan Continuous Gentle Rotation */
.gpu-fan-rotator {
  transform-box: fill-box;
  transform-origin: center center;
  animation: gpuFanSpin 14s linear infinite;
}

@keyframes gpuFanSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.gpu-fan-blade {
  fill: #1c2230;
  stroke: #414d68;
  stroke-width: 0.9px;
  stroke-linejoin: round;
}

.gpu-fan-blade-bevel {
  fill: #2d364c;
  stroke: #5d6d91;
  stroke-width: 0.6px;
  opacity: 0.85;
}

html[data-theme=dark] .gpu-fan-blade {
  fill: #181e2b;
  stroke: #475472;
}

html[data-theme=dark] .gpu-fan-blade-bevel {
  fill: #2c354a;
  stroke: #6b7c9f;
}

/* RGB Lightbar Segments (Clean flat colors without back neon glow) */
.lightbar-cyan {
  fill: #38bdf8;
}

.lightbar-purple {
  fill: #c084fc;
}

.lightbar-green {
  fill: #4ade80;
}

/* Responsive Positioning for Mobile & Tablet */
@media (max-width: 800px) {
  .visual-neuralsched .gpu-card {
    width: 76%;
    max-width: 320px;
    left: 52%;
    top: 54%;
    transform: translate(-50%, -50%) rotate(-50deg);
  }
}

@media (max-width: 440px) {
  .visual-neuralsched .gpu-card {
    width: 76%;
    max-width: 280px;
    left: 52%;
    top: 54%;
    transform: translate(-50%, -50%) rotate(-48deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .gpu-fan-rotator {
    animation: none;
  }
  .portrait-card,
  .visual-neuralsched .gpu-card {
    transition: none;
  }
}

/* Questions Worth Asking Floating Tags (Research & Impact) */
.writing-title-wrap {
  position: relative;
  isolation: isolate;
  display: inline-block;
  width: 100%;
}

.writing-tag {
  --cursor-x: 0px;
  --cursor-y: 0px;
  position: absolute;
  z-index: 2;
  padding: 5px 12px;
  font: 400 clamp(12px, 1.25vw, 17px) var(--sans);
  line-height: 1.1;
  white-space: nowrap;
  pointer-events: none;
  will-change: transform, margin-top;
  animation: writing-tag-drift 3.6s ease-in-out infinite;
  transition: filter 0.3s;
}

/* Floating above "Questions": Research (matching Section 1 float clearance and rotation) */
.writing-tag-research {
  top: -8px;
  right: 6%;
  background: #ff5df0;
  color: #171717;
  transform: translate3d(calc(var(--cursor-x) * 1.35), calc(var(--cursor-y) * 1.35), 0) rotate(-2deg);
}

/* Positioned between "Questions" and "worth" directly over the red line (r/t/h of worth): Ongoing (Vibrant Electric Orange #ff6b35) */
.writing-tag-ongoing {
  top: 48%;
  left: 36%;
  background: #ff6b35;
  color: #171717;
  animation-delay: -0.9s;
  transform: translate3d(calc(var(--cursor-x) * 1.35), calc(var(--cursor-y) * 1.35), 0) rotate(-1.5deg);
}

/* Below / across "ask" of "asking.": Impact (Bright Cyan / Turquoise #00e5ff) */
.writing-tag-impact {
  --impact-base: -17px;
  bottom: var(--impact-base);
  left: 8px;
  background: #00e5ff;
  color: #171717;
  letter-spacing: normal;
  font-family: var(--sans);
  font-style: normal;
  animation: writing-impact-drift 3.6s ease-in-out infinite;
  animation-delay: -1.8s;
  transform: translate3d(calc(var(--cursor-x) * 1.35), calc(var(--cursor-y) * 1.35), 0) rotate(1.5deg);
}

@keyframes writing-tag-drift {
  0%, 100% {
    margin-top: 0;
  }
  50% {
    margin-top: -10px;
  }
}

@keyframes writing-impact-drift {
  0%, 100% {
    bottom: var(--impact-base);
  }
  50% {
    bottom: calc(var(--impact-base) + 10px);
  }
}

.writing-title-wrap:hover .writing-tag {
  filter: saturate(1.2) brightness(1.04);
}

@media (max-width: 800px) {
  .writing-tag {
    padding: 4px 8px;
    font-size: 12px;
  }
  .writing-tag-research {
    top: -8px;
    right: 4%;
  }
  .writing-tag-ongoing {
    top: 48%;
    left: 36%;
    right: auto;
  }
  .writing-tag-impact {
    --impact-base: -13px;
    left: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .writing-tag {
    animation: none;
    transition: none;
  }
}

.photo-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 68%;
  transform: scale(1.35);
  transform-origin: 68% 68%;
  z-index: 1;
  transition: transform 0.4s ease, filter 0.4s ease;
}

.photo-frame:hover .photo-img {
  transform: scale(1.42);
}

.photo-grid {
  display: none;
}

.photo-label {
  z-index: 3;
  background: var(--paper);
  padding: 4px 8px;
  border: 1px solid var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
}

/* Gentle Section Scroll Fade-in Animation */
.fade-section {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.fade-section.is-visible {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

@media (prefers-reduced-motion: reduce) {
  .fade-section {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    will-change: auto !important;
  }
}

/* Topbar Action Group & Mobile Nav Toggle (Desktop Base) */
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  border: var(--line);
  background: var(--paper);
  color: var(--ink);
  padding: 9px 12px;
  cursor: pointer;
  font: 500 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 3px 3px 0 var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
  user-select: none;
}

.mobile-nav-toggle:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--shadow);
}

.mobile-nav-toggle[aria-expanded="true"] {
  background: var(--acid);
  color: #171717;
}

.mobile-nav-burger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 14px;
  height: 14px;
  transform-origin: center;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.burger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  transform-origin: center;
}

.mobile-nav-toggle[aria-expanded="true"] .mobile-nav-burger {
  transform: rotate(90deg);
}

.mobile-nav-toggle[aria-expanded="true"] .burger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-nav-toggle[aria-expanded="true"] .burger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-nav-toggle[aria-expanded="true"] .burger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive Mobile Navigation Menu (< 800px) */
@media (max-width: 800px) {
  .topbar {
    height: 64px;
    position: relative;
    z-index: 50;
  }

  .topbar-actions {
    gap: 8px;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--paper);
    border-bottom: var(--line);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.16);
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 6px 0 12px;
    z-index: 60;

    /* Collapsible states */
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: max-height 0.32s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.22s ease,
                transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.32s;
  }

  .nav-links.is-open {
    max-height: 520px;
    opacity: 1;
    visibility: visible;
    overflow-y: auto;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px clamp(20px, 4vw, 36px);
    font: 500 13px var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink);
    border-bottom: 1px solid var(--soft-line);
    min-height: 48px;
    transition: background 0.15s ease, padding-left 0.18s ease, color 0.15s ease;
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible {
    background: var(--acid);
    color: #171717;
    padding-left: calc(clamp(20px, 4vw, 36px) + 8px);
  }

  .nav-links a:hover span,
  .nav-links a:focus-visible span {
    color: var(--coral);
    font-weight: 700;
  }

  .nav-links a span {
    font-size: 11px;
    color: var(--muted);
    transition: color 0.15s ease;
  }
}

@media (max-width: 480px) {
  .theme-label {
    display: none;
  }
  .theme-toggle {
    padding: 8px 10px;
  }
  .top-cta {
    padding: 8px 10px;
    font-size: 11px;
  }
  .mobile-nav-toggle {
    padding: 8px 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .burger-line,
  .mobile-nav-burger,
  .nav-links,
  .scroll-to-top,
  .scroll-to-top-arrow {
    transition: none !important;
  }
}

/* Scroll-to-Top Floating Button */
.scroll-to-top {
  position: fixed;
  bottom: var(--scroll-btn-bottom, 28px);
  right: clamp(18px, 3.5vw, 36px);
  z-index: 45;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  min-height: 44px;
  min-width: 44px;
  background: var(--paper);
  color: var(--ink);
  border: var(--line);
  box-shadow: 3px 3px 0 var(--shadow);
  font: 600 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  user-select: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.25s,
              background 0.2s,
              color 0.2s,
              box-shadow 0.2s;
  will-change: transform, opacity;
}

.scroll-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-to-top:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--shadow);
  background: var(--acid);
  color: #171717;
}

.scroll-to-top:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.scroll-to-top-arrow {
  display: inline-block;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.scroll-to-top:hover .scroll-to-top-arrow,
.scroll-to-top:focus-visible .scroll-to-top-arrow {
  transform: translateY(-2px);
}

.toast {
  z-index: 100;
}

@media (max-width: 800px) {
  .contact-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: clamp(70px, 12vw, 100px);
  }

  .contact-button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 36px;
    max-width: 100%;
    box-sizing: border-box;
  }
}

@media (max-width: 480px) {
  .scroll-to-top {
    bottom: var(--scroll-btn-bottom, 20px);
    right: 14px;
    padding: 7px 10px;
    min-height: 38px;
    min-width: 38px;
    font-size: 10px;
    gap: 5px;
  }

  .scroll-to-top-arrow {
    width: 11px;
    height: 11px;
  }

  .contact-button {
    width: calc(100% - 60px);
    padding: 16px 18px;
    font-size: 12px;
  }

  .contact-button span {
    margin-left: 12px;
  }
}

/* Publication Local Search Bar */
.publication-search-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  background: var(--paper);
  border: var(--line);
  box-shadow: 4px 4px 0 var(--shadow, var(--ink));
  padding: 10px 14px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.publication-search-bar:focus-within {
  box-shadow: 4px 4px 0 var(--coral);
}

.publication-search-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.search-input-icon {
  flex-shrink: 0;
  color: var(--ink);
  opacity: 0.75;
}

.publication-search-input {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--ink);
  font: 500 13px var(--mono);
  letter-spacing: -0.01em;
  padding: 4px 0;
  outline: none;
}

.publication-search-input::placeholder {
  color: var(--muted, #888);
  font: 400 12px var(--mono);
}

.publication-search-clear {
  border: none;
  background: transparent;
  color: var(--ink);
  font: 700 14px var(--mono);
  padding: 4px 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, transform 0.15s;
  flex-shrink: 0;
  line-height: 1;
}

.publication-search-clear:hover {
  color: var(--coral);
  transform: scale(1.18);
}

.publication-search-meta {
  flex-shrink: 0;
}

.publication-search-count {
  display: inline-block;
  padding: 6px 11px;
  background: var(--ink);
  color: var(--acid);
  font: 600 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

html[data-theme=dark] .publication-search-bar {
  box-shadow: 4px 4px 0 var(--shadow, #000);
}

html[data-theme=dark] .publication-search-bar:focus-within {
  box-shadow: 4px 4px 0 var(--coral);
}

html[data-theme=dark] .publication-search-count {
  background: #252830;
  color: var(--acid);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Publications Empty State */
.publications-empty {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 34px 22px;
  border: 1px dashed var(--soft-line, #888);
  background: rgba(0, 0, 0, 0.02);
  margin: 18px 0;
}

html[data-theme=dark] .publications-empty {
  background: rgba(255, 255, 255, 0.03);
}

.empty-icon-wrap {
  font: 700 22px var(--mono);
  color: var(--coral);
  letter-spacing: -0.05em;
  flex-shrink: 0;
}

.empty-content h4 {
  margin: 0 0 6px;
  font-size: 18px;
  letter-spacing: -0.03em;
}

.empty-text {
  margin: 0 0 14px;
  font: 13px var(--mono);
  color: var(--muted, #666);
}

.empty-query-target {
  color: var(--coral);
  font-weight: 700;
}

.empty-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.empty-btn {
  padding: 8px 14px;
  border: var(--line);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 2px 2px 0 var(--shadow, var(--ink));
  font: 600 11px var(--mono);
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.empty-btn:hover {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--shadow, var(--ink));
  background: var(--acid);
}

.empty-btn-all {
  background: var(--acid);
  color: #171717;
}

.empty-btn-all:hover {
  background: var(--coral);
  color: #fff;
}

@media (max-width: 640px) {
  .publication-search-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 10px 12px;
  }

  .publication-search-meta {
    display: flex;
    justify-content: flex-end;
  }

  .publications-empty {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 24px 16px;
  }
}

/* ==========================================================================
   Top CV Section & Navigation Buttons (Portfolio Home & CV Page)
   ========================================================================== */

/* Top CV Strip (Home page topbar sub-banner) */
.top-cv-strip {
  background: var(--ink);
  color: var(--paper);
  border-bottom: var(--line);
  padding: 11px clamp(20px, 4vw, 64px);
  position: relative;
  z-index: 4;
}

.top-cv-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.top-cv-strip-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 700 11px var(--mono);
  letter-spacing: 0.08em;
  color: var(--acid);
}

.top-cv-strip-indicator {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--coral);
  border: 1px solid var(--paper);
  border-radius: 50%;
  animation: pulse-dot 1.8s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.65;
  }
}

.top-cv-strip-desc {
  margin: 0;
  font: 400 13px var(--mono);
  color: #bbb;
  flex: 1;
  min-width: 260px;
}

.top-cv-strip-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--acid);
  color: #171717;
  border: 1px solid #171717;
  padding: 6px 12px;
  font: 700 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: 2px 2px 0 var(--coral);
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
  flex-shrink: 0;
}

.top-cv-strip-link:hover {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--coral);
  background: #fff;
}

html[data-theme=dark] .top-cv-strip {
  background: #101216;
  border-bottom-color: var(--soft-line);
}

html[data-theme=dark] .top-cv-strip-desc {
  color: #8c909c;
}

/* Topbar CV button (Desktop & Mobile) */
.top-cv-btn {
  border: var(--line);
  box-shadow: 3px 3px 0 var(--shadow, var(--ink));
  padding: 8px 12px;
  background: var(--paper);
  color: var(--ink);
  font: 700 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
  user-select: none;
}

.top-cv-btn span {
  font-weight: 700;
}

.top-cv-btn i,
.top-cv-btn span:last-child {
  color: var(--ink);
  font-weight: 700;
  transition: transform 0.2s;
}

.top-cv-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--shadow, var(--ink));
  background: var(--acid);
  color: #171717;
}

.top-cv-btn:hover i,
.top-cv-btn:hover span:last-child {
  color: #171717;
  transform: translate(1px, -1px);
}

html[data-theme=dark] .top-cv-btn {
  box-shadow: 3px 3px 0 var(--shadow);
}

html[data-theme=dark] .top-cv-btn:hover {
  box-shadow: 1px 1px 0 var(--shadow);
  color: #171717;
}

/* Primary nav CV item highlight */
.nav-cv-link {
  font-weight: 700 !important;
}

.nav-cv-arrow {
  color: var(--coral) !important;
  font-weight: 700;
}

/* Eyebrow CV link in Hero */
.eyebrow-cv-link {
  color: var(--coral);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  transition: color 0.18s, border-color 0.18s;
}

.eyebrow-cv-link:hover {
  color: var(--ink);
}

html[data-theme=dark] .eyebrow-cv-link:hover {
  color: var(--acid);
}

/* Hero action button for CV */
.button-cv {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  background: var(--acid);
  color: #171717;
  border: var(--line);
  box-shadow: 5px 5px 0 var(--ink);
}

.pixel-arrow-cv {
  color: var(--ink);
  width: 14px;
  height: 14px;
  margin-left: 14px;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease, filter 0.2s ease;
}

.button-cv:hover {
  background: var(--coral);
  color: #fff;
  box-shadow: 2px 2px 0 var(--ink);
}

.button-cv:hover .pixel-arrow-cv,
.button-cv:focus-visible .pixel-arrow-cv {
  color: #fff;
  transform: translate(3px, -3px);
  filter: brightness(1.2) drop-shadow(0 0 6px rgba(255, 255, 255, 0.6));
}

html[data-theme=dark] .button-cv {
  box-shadow: 5px 5px 0 var(--shadow);
}

html[data-theme=dark] .button-cv:hover {
  box-shadow: 2px 2px 0 var(--shadow);
  color: #171717;
}

html[data-theme=dark] .pixel-arrow-cv {
  color: #171717;
}

html[data-theme=dark] .button-cv:hover .pixel-arrow-cv,
html[data-theme=dark] .button-cv:focus-visible .pixel-arrow-cv {
  color: #171717;
  filter: none;
}

/* ==========================================================================
   Dedicated Curriculum Vitae Page Styling (cv.html)
   ========================================================================== */

.cv-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left-group {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.topbar-breadcrumb {
  font: 700 12px var(--mono);
  color: var(--coral);
  letter-spacing: 0.05em;
}

.top-back-btn {
  border: var(--line);
  box-shadow: 3px 3px 0 var(--shadow, var(--ink));
  padding: 8px 12px;
  background: var(--paper);
  color: var(--ink);
  font: 700 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.top-back-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--shadow, var(--ink));
  background: var(--acid);
  color: #171717;
}

.cv-print-btn {
  border: var(--line);
  box-shadow: 3px 3px 0 var(--shadow, var(--ink));
  padding: 8px 12px;
  background: var(--paper);
  color: var(--ink);
  font: 700 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.cv-print-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--shadow, var(--ink));
  background: var(--coral);
  color: #fff;
}

/* Fast in-page jump strip */
.cv-jump-strip {
  background: var(--paper);
  border-bottom: 1px solid var(--soft-line);
  padding: 10px clamp(20px, 4vw, 64px);
  overflow-x: auto;
  white-space: nowrap;
}

.cv-jump-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  font: 500 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.cv-jump-label {
  color: var(--coral);
  font-weight: 700;
  flex-shrink: 0;
}

.cv-jump-inner a {
  color: var(--ink);
  opacity: 0.8;
  padding: 3px 6px;
  border-bottom: 2px solid transparent;
  transition: opacity 0.15s, border-color 0.15s, color 0.15s;
}

.cv-jump-inner a:hover {
  opacity: 1;
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* Header Dossier */
.cv-header-dossier {
  padding: clamp(50px, 7vw, 100px) clamp(20px, 5vw, 80px);
}

.cv-dossier-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 1fr);
  gap: clamp(40px, 6vw, 90px);
  align-items: start;
}

.cv-eyebrow-row {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.cv-name {
  font-size: clamp(52px, 7.5vw, 110px);
  line-height: 0.88;
  letter-spacing: -0.075em;
  margin: 0 0 24px;
  font-weight: 700;
}

.cv-name em {
  font-family: Georgia, serif;
  font-weight: 400;
  color: var(--coral);
  letter-spacing: -0.07em;
}

.cv-tagline {
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.3;
  margin: 0 0 18px;
  font-weight: 500;
  color: var(--ink);
}

.cv-affiliation {
  font: 400 14px var(--mono);
  line-height: 1.5;
  color: var(--muted);
  margin: 0 0 32px;
}

.cv-affiliation strong {
  color: var(--ink);
}

.cv-quick-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Dossier profiles box */
.cv-profiles-box {
  background: var(--paper);
  border: var(--line);
  box-shadow: 6px 6px 0 var(--shadow, var(--ink));
  padding: 24px;
  margin-bottom: 24px;
}

.cv-profiles-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--soft-line);
  padding-bottom: 12px;
  margin-bottom: 14px;
}

.cv-profiles-title {
  font: 700 11px var(--mono);
  letter-spacing: 0.06em;
  color: var(--coral);
}

.cv-profiles-badge {
  font: 700 10px var(--mono);
  background: var(--acid);
  color: #171717;
  padding: 3px 6px;
}

.cv-profiles-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cv-profiles-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 5px 0;
  border-bottom: 1px dashed rgba(120, 120, 120, 0.25);
  font: 500 12px var(--mono);
}

.cv-profiles-list li:last-child {
  border-bottom: none;
}

.cv-profile-label {
  color: var(--muted);
}

.cv-profile-link {
  color: var(--ink);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.15s;
}

.cv-profile-link i {
  font-style: normal;
  color: var(--coral);
}

.cv-profile-link:hover {
  color: var(--coral);
}

/* CV stats row */
.cv-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.cv-stat-item {
  background: var(--ink);
  color: var(--paper);
  padding: 14px 10px;
  text-align: center;
  border: 1px solid var(--ink);
}

.cv-stat-item strong {
  display: block;
  font-size: 26px;
  line-height: 1;
  color: var(--acid);
  margin-bottom: 4px;
}

.cv-stat-item span {
  font: 500 10px var(--mono);
  text-transform: uppercase;
  color: #bbb;
}

html[data-theme=dark] .cv-stat-item {
  background: #20232b;
  border-color: rgba(255, 255, 255, 0.1);
}

/* CV Sections Layout */
.cv-section {
  padding: clamp(55px, 8vw, 110px) clamp(20px, 5vw, 80px);
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.4fr);
  gap: clamp(40px, 7vw, 100px);
}

.cv-section-heading {
  display: flex;
  flex-direction: column;
}

.cv-section-heading h2 {
  font-size: clamp(42px, 5vw, 72px);
  line-height: 0.92;
  letter-spacing: -0.06em;
  margin: 18px 0;
  font-weight: 700;
}

.cv-section-heading h2 span {
  font-family: Georgia, serif;
  font-weight: 400;
  color: var(--coral);
}

.cv-section-heading .section-note {
  max-width: 320px;
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
}

.cv-section-content {
  min-width: 0;
}

.cv-lead-text {
  font-size: 20px;
  line-height: 1.4;
  margin-top: 0;
  margin-bottom: 18px;
}

.cv-prose p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 16px;
}

/* Topic Cards (Research Areas) */
.cv-topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.cv-topic-card {
  border: var(--line);
  background: var(--paper);
  padding: 24px;
  box-shadow: 4px 4px 0 var(--shadow, var(--ink));
}

.cv-topic-idx {
  font: 700 11px var(--mono);
  color: var(--coral);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.cv-topic-card h3 {
  font-size: 24px;
  letter-spacing: -0.04em;
  margin: 0 0 10px;
}

.cv-topic-card p {
  font-size: 15px;
  line-height: 1.45;
  color: var(--muted);
  margin: 0 0 16px;
}

.cv-topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cv-topic-tags span {
  font: 500 11px var(--mono);
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid var(--soft-line);
  padding: 4px 8px;
  color: var(--ink);
}

html[data-theme=dark] .cv-topic-tags span {
  background: rgba(255, 255, 255, 0.06);
}

/* Timeline (Education & Experience) */
.cv-timeline {
  border-left: 2px solid var(--ink);
  padding-left: 26px;
  display: flex;
  flex-direction: column;
  gap: 36px;
  position: relative;
}

html[data-theme=dark] .cv-timeline {
  border-left-color: var(--soft-line);
}

.cv-timeline-item {
  position: relative;
}

.cv-timeline-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 50%;
}

.cv-timeline-item.current::before {
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 101, 69, 0.25);
}

html[data-theme=dark] .cv-timeline-item::before {
  border-color: #f2eee6;
  background: #171717;
}

html[data-theme=dark] .cv-timeline-item.current::before {
  background: var(--coral);
}

.cv-time-period {
  font: 700 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--coral);
  margin-bottom: 6px;
}

.cv-degree-badge {
  display: inline-block;
  font: 700 10px var(--mono);
  text-transform: uppercase;
  padding: 2px 6px;
  background: var(--acid);
  color: #171717;
  margin-bottom: 8px;
}

.cv-degree-badge.completed {
  background: var(--ink);
  color: var(--paper);
}

html[data-theme=dark] .cv-degree-badge.completed {
  background: #252830;
  color: #ccc;
}

.cv-time-body h3 {
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin: 0 0 8px;
}

.cv-institution {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 8px;
}

.cv-cgpa {
  font: 500 12px var(--mono);
  color: var(--muted);
  margin: 0 0 10px;
}

.cv-cgpa strong {
  color: var(--coral);
}

.cv-coursework,
.cv-exp-desc {
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0 0 10px;
}

.cv-exp-bullets {
  padding-left: 20px;
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
}

.cv-exp-bullets li {
  margin-bottom: 6px;
}

/* Publications in CV */
.cv-pub-category {
  margin-bottom: 40px;
}

.cv-pub-cat-title {
  font: 700 14px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--coral);
  border-bottom: 2px solid var(--ink);
  padding-bottom: 8px;
  margin: 0 0 20px;
}

html[data-theme=dark] .cv-pub-cat-title {
  border-bottom-color: var(--soft-line);
}

.cv-pub-card {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--soft-line);
  align-items: start;
}

.cv-pub-num {
  font: 700 12px var(--mono);
  color: var(--muted);
  padding-top: 3px;
}

.cv-pub-title {
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin: 0 0 6px;
  font-weight: 600;
}

.cv-pub-authors {
  font: 500 13px var(--mono);
  color: var(--ink);
  margin: 0 0 4px;
}

.cv-pub-venue {
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
  margin: 0 0 12px;
}

.cv-pub-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.cv-link-inline {
  font: 700 11px var(--mono);
  text-transform: uppercase;
  color: var(--coral);
  border-bottom: 1px solid currentColor;
}

/* Projects in CV */
.cv-projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.cv-project-box {
  border: var(--line);
  background: var(--paper);
  padding: 24px;
  box-shadow: 4px 4px 0 var(--shadow, var(--ink));
}

.cv-project-meta {
  display: flex;
  justify-content: space-between;
  font: 700 11px var(--mono);
  color: var(--coral);
  margin-bottom: 8px;
}

.cv-project-box h3 {
  font-size: 26px;
  letter-spacing: -0.04em;
  margin: 0 0 10px;
}

.cv-project-box p {
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0 0 16px;
}

.cv-project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cv-project-tech span {
  font: 500 11px var(--mono);
  background: var(--acid);
  color: #171717;
  padding: 4px 8px;
  border: 1px solid var(--ink);
}

/* Certifications in CV */
.cv-cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.cv-cert-card {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 22px;
  border: var(--line);
  background: var(--paper);
  padding: 20px;
  box-shadow: 4px 4px 0 var(--shadow, var(--ink));
  align-items: center;
}

.cv-cert-badge {
  aspect-ratio: 1;
  background: var(--acid);
  border: var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font: 700 14px var(--mono);
  color: #171717;
  box-shadow: 2px 2px 0 var(--ink);
  text-align: center;
}

.cv-cert-track {
  display: block;
  font: 700 11px var(--mono);
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 4px;
}

.cv-cert-info h3 {
  font-size: 19px;
  letter-spacing: -0.03em;
  margin: 0 0 4px;
}

.cv-cert-org {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 10px;
}

.cv-cert-verify {
  font: 700 11px var(--mono);
  text-transform: uppercase;
  color: var(--coral);
  border-bottom: 1px solid currentColor;
}

/* Activities in CV */
.cv-activity-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cv-act-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--soft-line);
}

.cv-act-date {
  font: 700 11px var(--mono);
  color: var(--coral);
  padding-top: 3px;
}

.cv-act-body h4 {
  font-size: 17px;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}

.cv-act-body p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* Skills Matrix in CV */
.cv-skills-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.cv-skill-group {
  border: var(--line);
  background: var(--paper);
  padding: 22px;
  box-shadow: 4px 4px 0 var(--shadow, var(--ink));
}

.cv-skill-group h3 {
  font: 700 14px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--coral);
  margin: 0 0 14px;
}

.cv-skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cv-skill-chips span {
  font: 500 12px var(--mono);
  padding: 6px 11px;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--soft-line);
  color: var(--ink);
}

html[data-theme=dark] .cv-skill-chips span {
  background: rgba(255, 255, 255, 0.05);
}

/* Contact in CV */
.cv-contact-card {
  border: var(--line);
  background: var(--paper);
  padding: 32px;
  box-shadow: 6px 6px 0 var(--coral);
}

.cv-contact-statement {
  font-size: 19px;
  line-height: 1.45;
  margin: 0 0 24px;
}

.cv-contact-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  font: 500 13px var(--mono);
}

.cv-cd-row {
  display: flex;
  gap: 12px;
}

.cv-cd-label {
  color: var(--muted);
  width: 120px;
  flex-shrink: 0;
}

.cv-cd-val {
  color: var(--ink);
  font-weight: 600;
}

.cv-contact-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Contact dossier section bottom padding to provide clean clearance for scroll-to-top button */
.cv-contact-dossier {
  padding-bottom: clamp(90px, 12vw, 140px);
}

/* ==========================================================================
   Responsive Adaptations for Mobile & Tablet
   ========================================================================== */

@media (max-width: 900px) {
  .cv-section {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 50px 22px;
  }

  .cv-contact-dossier {
    padding-bottom: 95px;
  }

  .cv-header-dossier {
    padding: 40px 22px;
  }

  .cv-dossier-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .top-cv-strip {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 600px) {
  .cv-stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .cv-act-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .cv-cert-card {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .cv-cert-badge {
    width: 60px;
    height: 60px;
  }

  .cv-pub-card {
    grid-template-columns: 28px 1fr;
    gap: 10px;
  }

  .cv-cd-row {
    flex-direction: column;
    gap: 2px;
  }

  .top-back-btn .back-text {
    display: none;
  }

  .top-back-btn {
    padding: 8px 10px;
  }

  .cv-contact-dossier {
    padding-bottom: 100px;
  }

  .cv-contact-card {
    padding: 22px 18px;
    box-shadow: 4px 4px 0 var(--coral);
  }

  .cv-contact-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .cv-contact-buttons .contact-button,
  .cv-contact-buttons .button {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

/* ==========================================================================
   High-Fidelity Academic Print Stylesheet (Ctrl + P / window.print())
   ========================================================================== */

@media print {
  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 11pt !important;
  }

  .topbar,
  .cv-jump-strip,
  .top-cv-strip,
  .scroll-to-top,
  .toast,
  .cv-quick-actions,
  .theme-toggle,
  .mobile-nav-toggle,
  .cv-print-btn,
  .bibtex-button,
  .cv-contact-buttons,
  .footer {
    display: none !important;
  }

  .site-shell,
  .cv-main,
  .cv-section,
  .cv-header-dossier {
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    box-shadow: none !important;
    display: block !important;
  }

  .cv-dossier-grid {
    display: flex !important;
    flex-direction: column !important;
    border-bottom: 2pt solid #000 !important;
    padding-bottom: 12pt !important;
    margin-bottom: 18pt !important;
  }

  .cv-name {
    font-size: 26pt !important;
    margin-bottom: 4pt !important;
  }

  .cv-name em {
    color: #000 !important;
  }

  .cv-affiliation {
    color: #222 !important;
    margin-bottom: 10pt !important;
  }

  .cv-profiles-box {
    border: 1pt solid #444 !important;
    box-shadow: none !important;
    padding: 8pt !important;
    margin-bottom: 10pt !important;
  }

  .cv-section-heading {
    margin-bottom: 8pt !important;
  }

  .cv-section-heading h2 {
    font-size: 16pt !important;
    border-bottom: 1.5pt solid #000 !important;
    padding-bottom: 3pt !important;
    margin: 12pt 0 6pt 0 !important;
  }

  .cv-section-heading h2 span {
    color: #000 !important;
  }

  .cv-pub-card,
  .cv-topic-card,
  .cv-project-box,
  .cv-cert-card,
  .cv-skill-group {
    border: none !important;
    box-shadow: none !important;
    padding: 6pt 0 !important;
    break-inside: avoid !important;
  }

  .cv-timeline {
    border-left: 1pt solid #666 !important;
    padding-left: 14pt !important;
  }

  .cv-timeline-item::before {
    left: -19pt !important;
    width: 8pt !important;
    height: 8pt !important;
    background: #000 !important;
  }

  a {
    color: #000 !important;
    text-decoration: underline !important;
  }
}

/* ==========================================================================
   TakaSafe MFS & FinTech Card Artwork & Micro-Animations
   ========================================================================== */

.visual-takasafe {
  position: relative;
  overflow: hidden;
  background: var(--blue);
  border: var(--line);
}

html[data-theme="dark"] .visual-takasafe {
  background: var(--blue);
}

.visual-takasafe > span {
  color: var(--paper);
  position: absolute;
  z-index: 5;
}

html[data-theme="dark"] .visual-takasafe > span {
  color: var(--paper);
}

.visual-takasafe > i {
  color: var(--paper);
  opacity: 0.85;
  position: absolute;
  z-index: 5;
}

html[data-theme="dark"] .visual-takasafe > i {
  color: var(--paper);
  opacity: 0.85;
}

.money-scene {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Primary Banknote */
.main-banknote-card {
  position: absolute;
  width: 78%;
  max-width: 340px;
  aspect-ratio: 320 / 160;
  left: 52%;
  top: 54%;
  transform: translate(-50%, -50%) rotate(-24deg);
  transform-origin: center center;
  border-radius: 12px;
  z-index: 3;
  display: block;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), filter 0.3s ease;
  filter: drop-shadow(6px 8px 0px var(--ink));
}

html[data-theme="dark"] .main-banknote-card {
  filter: drop-shadow(6px 8px 0px rgba(0, 0, 0, 0.9));
}

.project-card:hover .main-banknote-card {
  transform: translate(-50%, -56%) rotate(-20deg) scale(1.04);
}

.banknote-svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.security-thread-foil {
  animation: moneySecurityShimmer 4s ease-in-out infinite;
}

@keyframes moneySecurityShimmer {
  0%, 100% {
    opacity: 0.9;
    filter: brightness(1);
  }
  50% {
    opacity: 1;
    filter: brightness(1.25) drop-shadow(0 0 5px #fef08a);
  }
}

/* Floating Secondary Banknotes */
.floating-bill {
  position: absolute;
  z-index: 2;
  filter: drop-shadow(3px 4px 0px var(--ink));
  transition: transform 0.3s ease;
}

html[data-theme="dark"] .floating-bill {
  filter: drop-shadow(3px 4px 0px rgba(0, 0, 0, 0.8));
}

.floating-bill-bg {
  width: 44%;
  max-width: 175px;
  aspect-ratio: 160 / 85;
  left: 14%;
  top: 18%;
  transform: rotate(18deg);
  animation: floatBillBg 7s ease-in-out infinite;
}

.floating-bill-fg {
  width: 42%;
  max-width: 160px;
  aspect-ratio: 140 / 75;
  right: 10%;
  bottom: 12%;
  transform: rotate(-14deg);
  animation: floatBillFg 5.5s ease-in-out infinite;
}

@keyframes floatBillBg {
  0%, 100% {
    transform: translateY(0) rotate(18deg);
  }
  50% {
    transform: translateY(-11px) rotate(22deg);
  }
}

@keyframes floatBillFg {
  0%, 100% {
    transform: translateY(0) rotate(-14deg);
  }
  50% {
    transform: translateY(9px) rotate(-10deg);
  }
}

.mini-bill-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Floating Golden Taka Coins */
.money-coin {
  position: absolute;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  z-index: 4;
  pointer-events: none;
}

.coin-disc {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff, #fef08a 30%, #fbbf24 68%, #d97706);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0px var(--ink), inset 0 0 0 2px rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

html[data-theme="dark"] .coin-disc {
  box-shadow: 3px 3px 0px rgba(0, 0, 0, 0.9), inset 0 0 0 2px rgba(254, 240, 138, 0.6);
}

.coin-symbol {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 800;
  color: #171717;
  line-height: 1;
}

.money-coin-primary {
  left: 12%;
  bottom: 22%;
  animation: coinFloatA 5s ease-in-out infinite;
}

.money-coin-secondary {
  right: 15%;
  top: 15%;
  width: 34px;
  height: 34px;
  animation: coinFloatB 6s ease-in-out infinite;
}

.money-coin-secondary .coin-symbol {
  font-size: 16px;
}

@keyframes coinFloatA {
  0%, 100% {
    transform: translateY(0) rotate(0deg) scale(1);
  }
  50% {
    transform: translateY(-13px) rotate(16deg) scale(1.08);
  }
}

@keyframes coinFloatB {
  0%, 100% {
    transform: translateY(0) rotate(0deg) scale(0.92);
  }
  50% {
    transform: translateY(-9px) rotate(-16deg) scale(0.98);
  }
}

/* Cash Flow Notification Chips */
.cash-flow-chip {
  position: absolute;
  z-index: 4;
  padding: 4px 9px;
  border-radius: 4px;
  border: 1.5px solid var(--ink);
  box-shadow: 2.5px 2.5px 0px var(--ink);
  font: 700 10.5px var(--mono);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  pointer-events: none;
}

html[data-theme="dark"] .cash-flow-chip {
  box-shadow: 2.5px 2.5px 0px rgba(0, 0, 0, 0.9);
}

.chip-a {
  background: #171717;
  color: #ffd000;
  border-color: #171717;
  right: 12%;
  top: 36%;
  animation: chipFloatA 4.2s ease-in-out infinite;
}

.chip-b {
  background: var(--acid);
  color: #171717;
  border-color: #171717;
  left: 12%;
  bottom: 8%;
  animation: chipFloatB 5s ease-in-out infinite;
}

@keyframes chipFloatA {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-8px) scale(1.04);
  }
}

@keyframes chipFloatB {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(7px) scale(1.03);
  }
}

/* Tactical AI Fraud Radar Scanner Badge (Image 2) */
.fraud-radar-badge {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 58px;
  height: 58px;
  z-index: 4;
  overflow: visible;
  pointer-events: none;
}

.radar-display {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  background: #ffffff;
  border: 2px solid var(--ink);
  box-shadow: 2.5px 2.5px 0px var(--ink);
}

html[data-theme="dark"] .radar-display {
  background: #f4f2ed;
  border-color: #171717;
  box-shadow: 2.5px 2.5px 0px rgba(0, 0, 0, 0.95);
}

.radar-grid-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Sweeping Sector Beam for White Background */
.radar-sweep-beam {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    transparent 295deg,
    rgba(16, 185, 129, 0.05) 300deg,
    rgba(16, 185, 129, 0.22) 330deg,
    rgba(5, 150, 105, 0.5) 356deg,
    #047857 360deg
  );
  animation: radarSpin 3.2s linear infinite;
  transform-origin: center center;
}

@keyframes radarSpin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Locked Target Blip at ~4:30 o'clock (Image 2) */
.radar-crit-target {
  position: absolute;
  left: 76%;
  top: 68%;
  transform: translate(-50%, -50%);
  z-index: 3;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.crit-reticle {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1.4px solid #047857;
  border-radius: 50%;
  box-shadow: 0 0 4px rgba(4, 120, 87, 0.35);
  animation: critPing 2.2s ease-in-out infinite;
}

.crit-blip {
  width: 5.5px;
  height: 5.5px;
  border-radius: 50%;
  background: #059669;
  box-shadow: 0 0 4px #059669, 0 0 8px rgba(16, 185, 129, 0.75);
}

@keyframes critPing {
  0%, 100% {
    transform: scale(0.9);
    opacity: 0.65;
  }
  50% {
    transform: scale(1.22);
    opacity: 1;
    box-shadow: 0 0 6px rgba(4, 120, 87, 0.5);
  }
}

/* Tactical CRIT: 94 Pill Tag (Image 2 bottom-right) */
.radar-crit-pill {
  position: absolute;
  right: -5px;
  bottom: -4px;
  background: #171717;
  border: 1.5px solid var(--ink);
  border-radius: 4px;
  padding: 1.5px 3.5px;
  box-shadow: 1.5px 1.5px 0px var(--ink);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
}

html[data-theme="dark"] .radar-crit-pill {
  background: #171717;
  border-color: #171717;
  box-shadow: 1.5px 1.5px 0px rgba(0, 0, 0, 0.9);
}

.radar-crit-pill span {
  display: block;
  background: var(--acid);
  color: #11150e;
  font-family: var(--mono);
  font-size: 7.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 1px 3px;
  border-radius: 2px;
  line-height: 1.1;
  white-space: nowrap;
}

/* Project Award Badge */
.project-award-tag {
  display: inline-block;
  padding: 4px 9px;
  background: var(--acid);
  color: #171717;
  border: 1.5px solid var(--ink);
  box-shadow: 2.5px 2.5px 0px var(--ink);
  font: 700 10.5px var(--mono);
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 9px;
  max-width: 100%;
}

html[data-theme="dark"] .project-award-tag {
  box-shadow: 2.5px 2.5px 0px rgba(0, 0, 0, 0.9);
}

.champion-award-tag {
  background: #fde047;
  color: #18181b;
  font-weight: 800;
}

html[data-theme="dark"] .champion-award-tag {
  background: #facc15;
  color: #09090b;
}

.activity-link {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: inherit;
  font-family: var(--mono);
  font-size: 0.9em;
}

/* ==========================================================================
   NASA Space Apps Challenge 2026: Earth Analogs (Earth, Moon & Mars)
   ========================================================================== */

.visual-spaceapps {
  position: relative;
  overflow: hidden;
  background: #060914;
  border: var(--line);
}

html[data-theme="dark"] .visual-spaceapps {
  background: #040711;
}

.visual-spaceapps > span {
  color: var(--acid);
  position: absolute;
  z-index: 5;
  text-shadow: 0 0 12px rgba(217, 244, 75, 0.3);
}

.visual-spaceapps > i {
  color: #f2eee6;
  opacity: 0.85;
  position: absolute;
  z-index: 5;
}

.space-scene {
  position: absolute;
  inset: 0;
  overflow: hidden;
  user-select: none;
  cursor: crosshair;
}

.space-backdrop-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* Stationary Deep Space Stars: Strictly NO movement or shifting coordinates */
.deep-space-stars circle,
.deep-space-stars g,
.deep-space-stars polygon {
  pointer-events: none;
}

/* Periodic Gentle Light Increase ("kicukkhon por por halka ektu alo barabe") - No positional movement */
@keyframes starLumenGlowA {
  0%, 72%, 100% {
    opacity: 0.45;
    filter: none;
  }
  86% {
    opacity: 1;
    filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.95));
  }
}

@keyframes starLumenGlowB {
  0%, 75%, 100% {
    opacity: 0.4;
    filter: none;
  }
  88% {
    opacity: 1;
    filter: drop-shadow(0 0 2.2px rgba(186, 230, 253, 0.95));
  }
}

@keyframes starLumenGlowC {
  0%, 70%, 100% {
    opacity: 0.48;
    filter: none;
  }
  84% {
    opacity: 1;
    filter: drop-shadow(0 0 2.5px rgba(254, 240, 138, 0.95));
  }
}

@keyframes starLumenGlowD {
  0%, 78%, 100% {
    opacity: 0.35;
    filter: none;
  }
  90% {
    opacity: 0.95;
    filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.9));
  }
}

.star-static-lumen-1 {
  animation: starLumenGlowA 4.8s ease-in-out infinite;
}

.star-static-lumen-2 {
  animation: starLumenGlowB 6.2s ease-in-out infinite 1.2s;
}

.star-static-lumen-3 {
  animation: starLumenGlowC 7.4s ease-in-out infinite 2.5s;
}

.star-static-lumen-4 {
  animation: starLumenGlowD 5.6s ease-in-out infinite 0.8s;
}

/* Pointed Star: Crisp celestial luminescence with pure starlight brilliance (proportional glow) */
@keyframes starRadiantGlowPointed {
  0%, 100% {
    opacity: 0.85;
    filter: drop-shadow(0 0 1.5px rgba(255, 255, 255, 0.95)) drop-shadow(0 0 3.5px rgba(254, 249, 195, 0.35));
  }
  50% {
    opacity: 1;
    filter: drop-shadow(0 0 2.5px rgba(255, 255, 255, 1)) drop-shadow(0 0 5px rgba(255, 255, 255, 0.75)) drop-shadow(0 0 8px rgba(254, 249, 195, 0.35));
  }
}

.star-radiant-glow-pointed,
.star-radiant-glow-gold {
  animation: starRadiantGlowPointed 5s ease-in-out infinite;
}

.space-orbit-line {
  animation: orbitPulse 6s ease-in-out infinite alternate;
}

@keyframes orbitPulse {
  0% { stroke-dashoffset: 0; opacity: 0.35; }
  100% { stroke-dashoffset: 16; opacity: 0.75; }
}

/* Celestial Bodies: Accurate 3D Moon & Mars */
.celestial-body {
  position: absolute;
  z-index: 3;
}

.celestial-moon {
  left: 7%;
  top: 25%;
  width: 70px;
  height: 70px;
  animation: celestialBob 7s ease-in-out infinite alternate;
}

.celestial-mars {
  right: 7%;
  top: 19%;
  width: 64px;
  height: 64px;
  animation: celestialBob 8s ease-in-out infinite alternate-reverse;
}

@keyframes celestialBob {
  0% { transform: translateY(0px) rotate(0deg); }
  100% { transform: translateY(-5px) rotate(2deg); }
}

.moon-svg, .mars-svg {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.75));
}

.celestial-clean-label {
  position: absolute;
  bottom: -13px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 800;
  color: #cbd5e1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.95);
  pointer-events: none;
  z-index: 4;
}

.label-moon {
  color: #e2e8f0;
}

.label-mars {
  color: #fca5a5;
}

/* Lower Earth: Accurate Curved Horizon, Clouds, and Steady Pin (NO expanding circles!) */
.celestial-earth-wrap {
  position: absolute;
  bottom: -18%;
  left: -20%;
  width: 140%;
  height: 58%;
  z-index: 2;
  pointer-events: none;
}

.earth-svg {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 -6px 24px rgba(2, 132, 199, 0.55));
}

.earth-weather-clouds {
  animation: cloudsOrbitDrift 42s linear infinite;
  transform-origin: 250px 245px;
}

@keyframes cloudsOrbitDrift {
  0% { transform: rotate(0deg); }
  50% { transform: rotate(1.2deg); }
  100% { transform: rotate(0deg); }
}

/* Clean Integrated Earth Indicator */
.earth-geo-indicator {
  position: absolute;
  bottom: 22%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 7.5px;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.95);
  white-space: nowrap;
  pointer-events: none;
  z-index: 4;
  letter-spacing: 0.05em;
}

.earth-geo-indicator .geo-star {
  color: var(--acid);
  font-size: 8.5px;
}

.earth-geo-indicator .geo-title {
  color: var(--acid);
  font-weight: 800;
}

.earth-geo-indicator .geo-sep {
  opacity: 0.5;
}

.earth-geo-indicator .geo-desc {
  color: #e0f2fe;
}

/* Space Apps Award Tag */
.space-award-tag {
  background: var(--acid);
}

/* ==========================================================================
   NASA Space Apps: Meteor ("Ulka Pindo") & Bright Star Supernova Explosion
   Trajectory: (352, 0) -> (145, 152) | Light reduces during flight, ends in starburst
   ========================================================================== */
.space-meteor-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 4;
  pointer-events: none;
  overflow: visible;
}

.meteor-flight-group {
  animation: meteorFlight 6.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  will-change: transform, opacity, filter;
}

@keyframes meteorFlight {
  0%, 4% {
    transform: translate(356px, -6px);
    opacity: 0;
    filter: drop-shadow(0 0 16px rgba(125, 211, 252, 0.95)) brightness(1.7);
  }
  5% {
    transform: translate(356px, -6px);
    opacity: 1;
    filter: drop-shadow(0 0 16px rgba(125, 211, 252, 0.95)) brightness(1.7);
  }
  10% {
    transform: translate(303px, 34px);
    opacity: 0.9;
    filter: drop-shadow(0 0 12px rgba(125, 211, 252, 0.85)) brightness(1.4);
  }
  15% {
    transform: translate(250px, 73px);
    opacity: 0.7;
    filter: drop-shadow(0 0 8px rgba(125, 211, 252, 0.65)) brightness(1.15);
  }
  20% {
    transform: translate(198px, 112px);
    opacity: 0.42;
    filter: drop-shadow(0 0 5px rgba(125, 211, 252, 0.4)) brightness(0.85);
  }
  24.8% {
    transform: translate(147px, 151px);
    opacity: 0.12;
    filter: drop-shadow(0 0 2px rgba(125, 211, 252, 0.2)) brightness(0.5);
  }
  24.9%, 100% {
    transform: translate(147px, 151px);
    opacity: 0;
  }
}

.star-explosion-anchor {
  pointer-events: none;
}

.star-explosion-core {
  transform-origin: 0 0;
  animation: starExplosion 6.2s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  will-change: transform, opacity, filter;
}

@keyframes starExplosion {
  0%, 24.5% {
    opacity: 0;
    transform: scale(0.01) rotate(0deg);
  }
  24.9% {
    opacity: 0.9;
    transform: scale(0.28) rotate(6deg);
    filter: drop-shadow(0 0 7px rgba(255, 255, 255, 0.85)) drop-shadow(0 0 14px rgba(56, 189, 248, 0.45)) brightness(1.35);
  }
  27% {
    opacity: 0.95;
    transform: scale(1.05) rotate(18deg);
    filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.75)) drop-shadow(0 0 12px rgba(56, 189, 248, 0.38)) brightness(1.22);
  }
  31% {
    opacity: 0.7;
    transform: scale(1.22) rotate(26deg);
    filter: drop-shadow(0 0 4px rgba(125, 211, 252, 0.45)) brightness(1.1);
  }
  36% {
    opacity: 0.25;
    transform: scale(1.36) rotate(34deg);
    filter: drop-shadow(0 0 2px rgba(2, 132, 199, 0.25)) brightness(1.0);
  }
  40% {
    opacity: 0;
    transform: scale(1.48) rotate(40deg);
  }
  40.5%, 100% {
    opacity: 0;
    transform: scale(0.01);
  }
}

.star-shockwave-ring {
  transform-origin: 0 0;
  animation: starShockwaveRing 6.2s ease-out infinite;
}

@keyframes starShockwaveRing {
  0%, 24.5% {
    opacity: 0;
    transform: scale(0.1);
    stroke: #ffffff;
    stroke-width: 1.6px;
  }
  25% {
    opacity: 0.75;
    transform: scale(0.3);
    stroke: #ffffff;
    stroke-width: 1.4px;
  }
  29% {
    opacity: 0.45;
    transform: scale(1.15);
    stroke: #7dd3fc;
    stroke-width: 0.9px;
  }
  35% {
    opacity: 0;
    transform: scale(1.75);
    stroke: #0284c7;
    stroke-width: 0.4px;
  }
  35.5%, 100% {
    opacity: 0;
  }
}

.stardust-burst {
  transform-origin: 0 0;
  animation: stardustBurst 6.2s ease-out infinite;
}

@keyframes stardustBurst {
  0%, 24.5% {
    opacity: 0;
    transform: scale(0.1);
  }
  25% {
    opacity: 0.8;
    transform: scale(0.35);
  }
  29% {
    opacity: 0.65;
    transform: scale(1.05);
  }
  35% {
    opacity: 0;
    transform: scale(1.6);
  }
  35.5%, 100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .meteor-flight-group,
  .star-explosion-core,
  .star-shockwave-ring,
  .stardust-burst {
    animation: none !important;
    opacity: 0 !important;
  }
}

/* ==========================================================================
   Cybernetic ScrambleText Effect & Stat Box Styles (Stats Band)
   ========================================================================== */
.stats-band .stat-box {
  cursor: pointer;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  outline: none;
}

.stats-band .stat-box:hover,
.stats-band .stat-box:focus-visible {
  transform: translateY(-3px);
}

.stats-band .stat-box:focus-visible {
  outline: 2px dashed var(--acid);
  outline-offset: 6px;
}

.stats-band strong {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  transition: text-shadow 0.25s ease, filter 0.2s ease;
  will-change: transform;
}

.stats-band .stat-box:hover strong,
.stats-band .stat-box:focus-visible strong {
  text-shadow: 0 0 20px rgba(217, 244, 75, 0.55), 0 0 35px rgba(217, 244, 75, 0.25);
  filter: brightness(1.08);
}

.scramble-glyph {
  color: var(--acid);
  opacity: 0.82;
  display: inline-block;
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: -0.04em;
  transform: translateY(-1px);
}

/* CV stats scramble support */
.cv-stat-item {
  cursor: pointer;
  transition: transform 0.2s ease;
  user-select: none;
}

.cv-stat-item:hover,
.cv-stat-item:focus-visible {
  transform: translateY(-2px);
}

.cv-stat-item:hover .cv-stat-val {
  text-shadow: 0 0 16px rgba(217, 244, 75, 0.45);
}

/* ==========================================================================
   Astronaut (Astra) Mascot Component Styles & Animations
   ========================================================================== */

.astro-wrapper {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  user-select: none;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.astro-wrapper:hover {
  transform: translateY(-2px);
}

.astro {
  overflow: visible;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.45));
}

/* Contact Shadow Pulsing */
.astro-shadow {
  transform-origin: 80px 192px;
  animation: astroShadowPulse 3.4s ease-in-out infinite;
}

@keyframes astroShadowPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.45;
  }
  50% {
    transform: scale(0.82);
    opacity: 0.22;
  }
}

/* Body Floating Bob */
.astro-body {
  transform-origin: 80px 100px;
  animation: astroFloat 3.4s ease-in-out infinite;
}

@keyframes astroFloat {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-7px) rotate(0.8deg);
  }
}

.astro-body-slump {
  transform: translateY(5px) !important;
  animation: none !important;
}

/* Head Tilt / Bob */
.astro-head {
  transform-origin: 80px 56px;
  animation: astroHeadBob 4.6s ease-in-out infinite;
}

@keyframes astroHeadBob {
  0%, 100% {
    transform: rotate(0deg);
  }
  30% {
    transform: rotate(-1.5deg);
  }
  70% {
    transform: rotate(1.5deg);
  }
}

.astro-head-slump {
  transform: rotate(3deg) translateY(3px) !important;
  animation: none !important;
}

/* Visor HUD Face Glow & Blinking */
.astro-face {
  filter: drop-shadow(0 0 3px rgba(242, 200, 121, 0.75));
}

.astro-face .face circle:not([stroke="none"]) {
  animation: astroBlink 4.2s infinite;
}

@keyframes astroBlink {
  0%, 94%, 98%, 100% {
    transform: scaleY(1);
  }
  96% {
    transform: scaleY(0.1);
  }
}

/* Chest LED Indicators Blinking */
.astro-led-1 {
  animation: astroLedBlink1 1.6s ease-in-out infinite;
}

.astro-led-2 {
  animation: astroLedBlink2 2.1s ease-in-out infinite;
}

.astro-led-3 {
  animation: astroLedBlink3 1.8s ease-in-out infinite;
}

@keyframes astroLedBlink1 {
  0%, 100% { opacity: 1; filter: drop-shadow(0 0 3px #f2c879); }
  50% { opacity: 0.35; filter: none; }
}

@keyframes astroLedBlink2 {
  0%, 100% { opacity: 0.4; filter: none; }
  50% { opacity: 1; filter: drop-shadow(0 0 3px #8fb4ea); }
}

@keyframes astroLedBlink3 {
  0%, 100% { opacity: 1; filter: drop-shadow(0 0 3px #7cc8a0); }
  50% { opacity: 0.3; filter: none; }
}

/* Helmet Spotlight Lamp Glow */
.astro-lamp {
  filter: drop-shadow(0 0 4px #f2c879);
  animation: astroLampGlow 2.8s ease-in-out infinite alternate;
}

@keyframes astroLampGlow {
  0% { opacity: 0.8; filter: drop-shadow(0 0 2px #f2c879); }
  100% { opacity: 1; filter: drop-shadow(0 0 6px #fef08a); }
}

/* Action: Scanner Light Beam Pulse */
.astro-scan-light {
  animation: astroScanPulse 1.2s ease-in-out infinite alternate;
}

@keyframes astroScanPulse {
  0% { opacity: 0.55; }
  100% { opacity: 0.95; }
}

/* Action: Drill Bit Vibration */
.astro-drill-bit {
  animation: astroDrillVibe 0.12s linear infinite alternate;
}

@keyframes astroDrillVibe {
  0% { transform: translateY(0); }
  100% { transform: translateY(2px); }
}

/* Action: Glowing Sample */
.astro-glowing-sample {
  animation: astroSampleGlow 1.6s ease-in-out infinite alternate;
}

@keyframes astroSampleGlow {
  0% { filter: drop-shadow(0 0 3px #ea580c); }
  100% { filter: drop-shadow(0 0 8px #fed7aa); }
}

/* Action: Walk Leg Swing */
.astro-leg-l-walk {
  animation: astroWalkL 0.8s ease-in-out infinite alternate;
  transform-origin: 70px 124px;
}

.astro-leg-r-walk {
  animation: astroWalkR 0.8s ease-in-out infinite alternate;
  transform-origin: 90px 124px;
}

@keyframes astroWalkL {
  0% { transform: rotate(-8deg); }
  100% { transform: rotate(8deg); }
}

@keyframes astroWalkR {
  0% { transform: rotate(8deg); }
  100% { transform: rotate(-8deg); }
}

/* Celebrate Action: Arms Rotation & Jumping Animation */
.astro[data-action="celebrate"] .astro-arm-r { 
  transform-origin: 103px 93px;
  transform: rotate(-150deg); 
}
.astro[data-action="celebrate"] .astro-arm-l { 
  transform-origin: 57px 93px;
  transform: rotate(150deg); 
}

/* Bounces the whole body up and down */
.astro[data-action="celebrate"] .astro-body { 
  transform-origin: 80px 192px;
  animation: astro-jump 0.9s cubic-bezier(0.33, 0, 0.2, 1) infinite; 
}

/* Shrinks the ground shadow when in the air */
.astro[data-action="celebrate"] .astro-shadow { 
  transform-origin: 80px 192px;
  animation: astro-jump-shadow 0.9s cubic-bezier(0.33, 0, 0.2, 1) infinite; 
}

/* Keyframes for the jump cycle */
@keyframes astro-jump {
  0%, 100% {
    transform: translateY(0) scaleY(1);
  }
  15% {
    transform: translateY(0) scaleY(0.95); /* squash before jump */
  }
  50% {
    transform: translateY(-16px) scaleY(1.02); /* peak of jump */
  }
}

@keyframes astro-jump-shadow {
  0%, 100% {
    transform: scaleX(1);
    opacity: 0.45;
  }
  50% {
    transform: scaleX(0.65);
    opacity: 0.18;
  }
}

/* Celebrate Stars Sparkle */
.astro-celebrate-particles {
  animation: astroSparkle 1.1s ease-in-out infinite alternate;
}

@keyframes astroSparkle {
  0% { opacity: 0.6; transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1.1); }
}

/* Speech Bubble */
.astro-speech-bubble {
  position: absolute;
  top: -46px;
  background: var(--paper, #fdfbf7);
  color: var(--ink, #171717);
  border: 1.5px solid var(--ink, #171717);
  box-shadow: 2px 2px 0 var(--shadow, #171717);
  padding: 5px 10px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
  max-width: 240px;
  z-index: 10;
  pointer-events: none;
  animation: astroSpeechPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

html[data-theme='dark'] .astro-speech-bubble {
  background: #111216;
  color: #f0eee8;
  border-color: #f0eee8;
  box-shadow: 2px 2px 0 var(--shadow);
}

.astro-speech-side {
  left: calc(100% + 8px);
  top: 10px;
  white-space: normal;
  width: 170px;
}

.astro-speech-left {
  right: calc(100% + 8px);
  top: 10px;
  white-space: normal;
  width: 170px;
}

.astro-speech-right {
  left: calc(100% + 8px);
  top: 10px;
  white-space: normal;
  width: 170px;
}

.astro-speech-tail {
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
}

.astro-speech-side .astro-speech-tail,
.astro-speech-right .astro-speech-tail {
  left: -7px;
  top: 20px;
  border-width: 5px 7px 5px 0;
  border-color: transparent var(--ink, #171717) transparent transparent;
}

.astro-speech-left .astro-speech-tail {
  right: -7px;
  top: 20px;
  border-width: 5px 0 5px 7px;
  border-color: transparent transparent transparent var(--ink, #171717);
}

/* Card 05 Hero Integration: Astronaut + Title */
.project-astronaut-hero {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 14px 0 10px 0;
  padding: 10px 14px;
  background: rgba(2, 6, 23, 0.04);
  border: 1.5px solid var(--line, #e2e8f0);
  border-radius: 6px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

html[data-theme='dark'] .project-astronaut-hero {
  background: rgba(2, 6, 23, 0.45);
  border-color: #27272a;
}

.astronaut-mount-point {
  flex-shrink: 0;
}

.astronaut-card-mount {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.astronaut-avatar-wrap {
  display: flex;
  justify-content: center;
}

.astro-hud-strip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.astro-hud-status {
  font-family: var(--mono);
  font-size: 8.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--coral, #f97316);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.astro-status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 5px #22c55e;
}

.astro-hud-controls {
  display: flex;
  gap: 5px;
}

.astro-hud-btn {
  background: var(--paper, #ffffff);
  border: 1px solid var(--ink, #171717);
  box-shadow: 1.5px 1.5px 0 var(--shadow, #171717);
  font-family: var(--mono);
  font-size: 9px;
  padding: 2px 6px;
  cursor: pointer;
  border-radius: 3px;
  color: var(--ink, #171717);
  transition: transform 0.12s ease, background 0.12s ease;
}

.astro-hud-btn:hover {
  background: var(--acid, #d9f44b);
  transform: translate(-1px, -1px);
}

.astro-hud-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 0 0 0;
}

html[data-theme='dark'] .astro-hud-btn {
  background: #18181b;
  color: #f4f4f5;
  border-color: #52525b;
  box-shadow: 1.5px 1.5px 0 #000;
}

html[data-theme='dark'] .astro-hud-btn:hover {
  background: var(--acid, #d9f44b);
  color: #000;
}

/* Deep Space Spacewalker (Astra) in NASA Space Scene (Bottom Right above Earth) */
.celestial-astronaut-wrap {
  position: absolute;
  right: 28px;
  bottom: 16px;
  top: auto;
  width: 104px;
  height: auto;
  z-index: 5;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: visible !important;
  animation: astraOrbitFloat 6.8s ease-in-out infinite alternate;
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.85));
  transition: transform 0.25s ease, filter 0.25s ease;
  user-select: none;
}

@keyframes astraOrbitFloat {
  0% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-6px) rotate(2deg);
  }
  100% {
    transform: translateY(3px) rotate(-1.5deg);
  }
}

.celestial-astronaut-wrap:hover,
.celestial-astronaut-wrap:focus-visible {
  filter: drop-shadow(0 0 14px rgba(56, 189, 248, 0.85)) drop-shadow(0 8px 18px rgba(0, 0, 0, 0.9));
  transform: scale(1.06);
  outline: none;
}

.celestial-astronaut-interactive {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  overflow: visible !important;
}

.celestial-astro-tag {
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 6.8px;
  font-weight: 800;
  color: #bae6fd;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.95);
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(56, 189, 248, 0.6);
  padding: 1.5px 5px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  pointer-events: none;
  white-space: nowrap;
  width: max-content;
  max-width: none !important;
  overflow: visible !important;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
  box-sizing: border-box;
}

.astro-ping-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #38bdf8;
  box-shadow: 0 0 4px #38bdf8;
  animation: pingGlow 1.8s ease-in-out infinite alternate;
}

@keyframes pingGlow {
  0% { opacity: 0.35; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1.25); }
}

/* Custom In-Space Speech Bubble for Astra inside .space-scene (Well-spaced beside Astra) */
.celestial-astronaut-wrap .astro-speech-left {
  right: calc(100% + 6px);
  top: 6px;
  width: auto;
  max-width: 126px;
  min-width: 90px;
  font-size: 8.5px;
  line-height: 1.35;
  padding: 4px 7px;
  background: rgba(15, 23, 42, 0.95);
  color: #f8fafc;
  border: 1.2px solid #38bdf8;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.85), 0 0 10px rgba(56, 189, 248, 0.4);
  backdrop-filter: blur(4px);
  border-radius: 4px;
  white-space: normal;
}

.celestial-astronaut-wrap .astro-speech-left .astro-speech-tail {
  right: -6px;
  top: 14px;
  border-width: 4px 0 4px 6px;
  border-color: transparent transparent transparent #38bdf8;
}

@media (max-width: 800px) {
  .celestial-astronaut-wrap {
    right: 24px;
    bottom: 14px;
    top: auto;
    width: 82px;
    height: auto;
    min-height: 104px;
  }
  .celestial-astronaut-wrap .astro-wrapper {
    width: 82px !important;
  }
  .celestial-astronaut-wrap .astro {
    width: 82px !important;
    height: 102px !important;
  }
  .celestial-astro-tag {
    font-size: 5.8px;
    letter-spacing: 0.02em;
    padding: 1px 4px;
    gap: 2.5px;
    margin-top: 3px;
    width: max-content;
    max-width: none !important;
    overflow: visible !important;
  }
  .astro-ping-dot {
    width: 3.5px;
    height: 3.5px;
  }
  .celestial-astronaut-wrap .astro-speech-left {
    right: calc(100% + 4px);
    top: 4px;
    width: auto;
    max-width: 96px;
    font-size: 7.5px;
    padding: 3px 5px;
  }
  .celestial-astronaut-wrap .astro-speech-left .astro-speech-tail {
    right: -5px;
    top: 12px;
    border-width: 3.5px 0 3.5px 5px;
  }
}

@media (max-width: 440px) {
  .celestial-astronaut-wrap {
    right: 20px;
    bottom: 12px;
    width: 76px;
    min-height: 98px;
  }
  .celestial-astronaut-wrap .astro-wrapper {
    width: 76px !important;
  }
  .celestial-astronaut-wrap .astro {
    width: 76px !important;
    height: 95px !important;
  }
  .celestial-astro-tag {
    font-size: 5.2px;
    letter-spacing: 0.015em;
    padding: 1px 3.5px;
    gap: 2px;
    width: max-content;
    max-width: none !important;
    overflow: visible !important;
  }
  .astro-ping-dot {
    width: 3px;
    height: 3px;
  }
  .celestial-astronaut-wrap .astro-speech-left {
    max-width: 88px;
    font-size: 7px;
    padding: 2.5px 4.5px;
  }
}










/* ==========================================================================
   02.1 / Chronological Research Timeline (D3.js Horizontal Visualization)
   ========================================================================== */
.timeline-section {
  padding: clamp(60px, 9vw, 130px) clamp(20px, 7vw, 110px);
  background: var(--paper);
}

.timeline-heading {
  margin-bottom: 48px;
}

.timeline-summary-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 24px;
}

.tstat-item {
  border: 1px solid var(--soft-line);
  padding: 10px 14px;
  background: rgba(23, 23, 23, 0.03);
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

html[data-theme=dark] .tstat-item {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.12);
}

.tstat-item:hover {
  border-color: var(--coral);
  transform: translateY(-2px);
}

.tstat-num {
  font-family: var(--sans);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--coral);
  letter-spacing: -0.04em;
}

.tstat-label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* Timeline Container */
.d3-timeline-container {
  border: var(--line);
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--shadow, #171717);
  display: flex;
  flex-direction: column;
}

html[data-theme=dark] .d3-timeline-container {
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.7);
  border-color: var(--ink);
}

.d3-timeline-mount {
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* Timeline Toolbar */
.timeline-toolbar {
  padding: 18px 24px;
  border-bottom: 1px solid var(--soft-line);
  background: rgba(23, 23, 23, 0.02);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

html[data-theme=dark] .timeline-toolbar {
  background: rgba(255, 255, 255, 0.02);
}

.timeline-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.timeline-filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.timeline-group-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  margin-right: 4px;
}

.timeline-btn {
  background: transparent;
  border: 1px solid var(--soft-line);
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--ink);
  transition: all 0.18s ease;
  line-height: 1.2;
}

.timeline-btn:hover {
  background: var(--acid);
  color: #171717;
  border-color: var(--ink);
}

.timeline-btn.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  font-weight: 600;
}

html[data-theme=dark] .timeline-btn.active {
  background: var(--acid);
  color: #171717;
  border-color: var(--acid);
}

.timeline-view-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.timeline-action-btn {
  font-weight: 700;
  min-width: 30px;
  text-align: center;
  padding: 6px 10px;
}

/* Quick Jump Row */
.timeline-quick-jump {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 6px;
}

.timeline-quick-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--coral);
  font-weight: 700;
}

.timeline-jump-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.timeline-chip {
  background: transparent;
  border: 1px dashed var(--soft-line);
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s ease;
}

.timeline-chip:hover {
  border-style: solid;
  border-color: var(--coral);
  color: var(--coral);
}

.timeline-chip.active {
  border-style: solid;
  background: rgba(255, 101, 69, 0.12);
  border-color: var(--coral);
  color: var(--coral);
  font-weight: 600;
}

.timeline-interaction-hint {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* Viewport Area */
.timeline-viewport {
  position: relative;
  width: 100%;
  min-height: 420px;
  background: var(--paper);
  overflow: hidden;
  cursor: grab;
  user-select: none;
  touch-action: pan-y pinch-zoom;
}

.timeline-viewport:active {
  cursor: grabbing;
}

.d3-timeline-svg {
  display: block;
  width: 100%;
  height: 420px;
}

/* Node Elements inside SVG */
.pub-node-g {
  transition: transform 0.1s ease-out;
  outline: none;
}

.pub-node-g:focus-visible .node-body {
  stroke: var(--coral);
  stroke-width: 3px;
}

.node-halo {
  transition: r 0.2s ease, stroke-width 0.2s ease, opacity 0.2s ease;
}

.node-body {
  transition: r 0.18s ease, filter 0.18s ease;
}

.pub-node-g:hover .node-body {
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
}

.pub-node-g.selected .node-body {
  stroke: var(--acid);
  stroke-width: 3px;
}

.node-label-title {
  pointer-events: none;
  letter-spacing: -0.02em;
}

.node-label-date {
  pointer-events: none;
}

/* Legend Bar */
.timeline-legend-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 14px 24px;
  border-top: 1px solid var(--soft-line);
  border-bottom: 1px solid var(--soft-line);
  background: rgba(23, 23, 23, 0.015);
  flex-wrap: wrap;
}

html[data-theme=dark] .timeline-legend-bar {
  background: rgba(255, 255, 255, 0.015);
}

.legend-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.legend-title {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink);
}

.legend-color-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--ink);
  display: inline-block;
}

.legend-status-ring {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid;
  display: inline-block;
}

.ring-published { border-color: #278042; }
.ring-accepted { border-color: #10b981; }
.ring-review { border-color: #e07800; border-style: dashed; }
.ring-ongoing { border-color: #888888; border-style: dotted; }

/* Floating Tooltip */
.timeline-tooltip {
  position: fixed;
  z-index: 1000;
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  max-width: 360px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 6px 6px 0 var(--shadow, #171717);
  padding: 14px 16px;
}

html[data-theme=dark] .timeline-tooltip {
  background: #1c1c1c;
  border-color: var(--ink);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.85);
}

.timeline-tooltip.show {
  opacity: 1;
  transform: translateY(0);
}

.tooltip-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.tooltip-num {
  padding: 2px 5px;
  color: #fff;
  font-weight: 700;
  font-size: 9.5px;
}

.tooltip-cat {
  font-weight: 600;
}

.tooltip-status {
  margin-left: auto;
  font-weight: 600;
}

.tooltip-title {
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 8px;
}

.tooltip-venue {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.tooltip-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--muted);
  border-top: 1px dashed var(--soft-line);
  padding-top: 8px;
}

.tooltip-prompt {
  color: var(--coral);
  font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 800px) {
  .timeline-section {
    padding-left: 22px;
    padding-right: 22px;
  }
  .timeline-summary-stats {
    grid-template-columns: 1fr 1fr;
  }
  .timeline-controls-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .timeline-view-actions {
    margin-left: 0;
  }
  .timeline-viewport {
    min-height: 380px;
  }
  .d3-timeline-svg {
    height: 380px;
  }
}

@media (max-width: 480px) {
  .timeline-summary-stats {
    grid-template-columns: 1fr;
  }
  .timeline-filter-group {
    width: 100%;
  }
  .timeline-btn {
    font-size: 10px;
    padding: 5px 8px;
  }
}

/* ==========================================================================
   00: The Workbench (Interactive 3D Typing Terminal)
   ========================================================================== */
.workbench-section {
  display: grid;
  grid-template-columns: 360px 1fr;
  background: var(--paper);
  position: relative;
  overflow: hidden;
}

.workbench-heading {
  padding: 44px 36px;
  border-right: var(--line);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 18px;
  background: var(--paper);
}

.workbench-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.workbench-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  background: rgba(23, 23, 23, 0.05);
  border: 1px solid var(--soft-line);
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--ink);
  width: fit-content;
}

html[data-theme=dark] .workbench-status-badge {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.workbench-ping-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--coral, #ff6545);
  box-shadow: 0 0 6px var(--coral, #ff6545);
  animation: wb-pulse-ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes wb-pulse-ping {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.keyboard-mount-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 560px;
  background: radial-gradient(circle at center, rgba(59, 130, 246, 0.03) 0%, transparent 70%);
  padding: 16px;
  position: relative;
  overflow: visible;
}

html[data-theme=dark] .keyboard-mount-box {
  background: radial-gradient(circle at center, rgba(59, 130, 246, 0.08) 0%, rgba(0, 0, 0, 0.25) 75%);
}

@media (max-width: 980px) {
  .workbench-section {
    grid-template-columns: 1fr;
    overflow: hidden;
  }
  .workbench-heading {
    border-right: none;
    border-bottom: var(--line);
    padding: 32px 24px;
  }
  .keyboard-mount-box {
    min-height: 480px;
    padding: 8px 4px;
    overflow: hidden;
  }
}

/* ==========================================================================
   3D Isometric Mechanical Keyboard & CRT Terminal (TK)
   ========================================================================== */
:root {
  --tk-accent: #3b82f6;
  --tk-secondary: #ff6545;
}

.tk-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: visible;
  padding: 16px 8px 10px;
}

.tk-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 920px;
  margin-bottom: 18px;
  padding: 0 10px;
  font-family: var(--mono, monospace);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted, #666);
  flex-wrap: wrap;
  gap: 12px;
  z-index: 2;
}

.tk-controls {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tk-sfx-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--ink, #171717);
  background: var(--paper, #fff);
  border: 1px solid var(--soft-line, #ccc);
  box-shadow: 1.5px 1.5px 0 var(--ink, #171717);
  cursor: pointer;
  transition: transform 0.1s ease;
}
.tk-sfx-toggle:hover {
  transform: translateY(-1px);
}

.tk-palette-btn {
  width: 18px;
  height: 18px;
  border-radius: 3px;
  border: 1.5px solid var(--ink, #171717);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 1.5px 1.5px 0 var(--ink, #171717);
}
.tk-palette-btn:hover {
  transform: translateY(-1px);
}

.tk-container,
.tk-container * {
  transform-style: preserve-3d !important;
  -webkit-transform-style: preserve-3d !important;
  backface-visibility: visible !important;
  -webkit-backface-visibility: visible !important;
}
.tk-container {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  height: 520px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: var(--sans, sans-serif);
  font-weight: bolder;
  color: rgba(255,255,251,0.7);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  overflow: visible !important;
  perspective: 10000px;
  -webkit-perspective: 10000px;
}
.tk-main {
  width: 800px !important;
  min-width: 800px !important;
  max-width: 800px !important;
  height: 560px !important;
  min-height: 560px !important;
  flex-shrink: 0 !important;
  flex-grow: 0 !important;
  position: absolute !important;
  left: 50% !important;
  top: 50% !important;
  margin-left: -400px !important;
  margin-top: -230px !important;
  cursor: pointer;
  transform: scale(0.82) translateY(45px);
  -webkit-transform: scale(0.82) translateY(45px);
  transform-origin: center center;
  -webkit-transform-origin: center center;
  transition: transform 0.25s ease-out;
  overflow: visible !important;
}
.tk-flex { display: flex; justify-content: center; align-items: center; }
.tk-face { position: absolute; }

/* Ambient ground shadow */
.tk-desk-shadow {
  position: absolute;
  width: 530px;
  height: 190px;
  background: radial-gradient(ellipse at center, rgba(15, 23, 42, 0.28) 0%, rgba(15, 23, 42, 0.08) 55%, transparent 75%);
  filter: blur(16px);
  transform: perspective(10000px) rotateX(55deg) rotateZ(-30deg) translateZ(-42px) translateY(38px);
  -webkit-transform: perspective(10000px) rotateX(55deg) rotateZ(-30deg) translateZ(-42px) translateY(38px);
  border-radius: 40px;
  pointer-events: none;
  z-index: 0;
}
html[data-theme=dark] .tk-desk-shadow {
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.65) 0%, rgba(0, 0, 0, 0.25) 55%, transparent 75%);
  filter: blur(22px);
}

/* Keyboard body */
.tk-keyboard {
  width: 500px;
  height: 160px;
  transform: perspective(10000px) rotateX(55deg) rotateZ(-30deg);
  -webkit-transform: perspective(10000px) rotateX(55deg) rotateZ(-30deg);
  box-shadow: 0 20px 30px -10px rgba(0,0,0,0.2);
}
.tk-keyboard__front {
  width: 500px;
  height: 25px;
  transform: rotateX(-90deg) translateZ(80px);
  background: linear-gradient(180deg, #adadad 0%, #828282 100%);
  border-bottom: 2px solid #444;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
}
.tk-keyboard__back {
  width: 500px;
  height: 25px;
  transform: rotateX(90deg) translateZ(80px);
  background: linear-gradient(180deg, #ffffff 0%, #dedede 100%);
}
.tk-keyboard__top {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 500px;
  height: 160px;
  transform: rotateY(0deg) translateZ(12.5px);
  background-image: linear-gradient(to bottom, color-mix(in srgb, var(--tk-accent) 30%, #e2e8f0), color-mix(in srgb, #1e293b 80%, #ffffff));
  border: 1px solid rgba(0,0,0,0.2);
  box-shadow: inset 0 0 4px rgba(0,0,0,0.25);
}
.tk-keyboard__bottom {
  width: 500px;
  height: 160px;
  transform: rotateY(180deg) translateZ(12.5px);
  background-color: #2b2b2b;
}
.tk-keyboard__right {
  width: 25px;
  height: 160px;
  transform: rotateY(90deg) translateZ(250px);
  background: linear-gradient(180deg, #f1f5f9 0%, #cbd5e1 100%);
}
.tk-keyboard__left {
  width: 25px;
  height: 160px;
  transform: rotateY(90deg) translateZ(-250px);
  background: linear-gradient(180deg, #a1a1aa 0%, #71717a 100%);
}

/* Screen */
.tk-screen {
  width: 320px;
  height: 225px;
  transform: translateZ(155px) translateY(-175px) rotateX(270deg);
  -webkit-transform: translateZ(155px) translateY(-175px) rotateX(270deg);
  background-color: var(--tk-accent);
  border-radius: 9px;
  padding: 12px 14px;
  font-family: var(--mono, "Space Mono", monospace);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  text-transform: none;
  letter-spacing: 0.3px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  border: 2px solid rgba(255,255,255,0.48);
  box-shadow:
    inset 0 0 15px rgba(0,0,0,0.35),
    0 0 10px color-mix(in srgb, var(--tk-accent) 90%, transparent),
    0 0 20px color-mix(in srgb, var(--tk-accent) 75%, transparent),
    0 0 35px color-mix(in srgb, var(--tk-accent) 55%, transparent),
    0 0 55px color-mix(in srgb, var(--tk-accent) 35%, transparent);
  animation: tk-screen-flicker 2s ease-in alternate infinite;
  overflow: hidden;
  position: relative;
}

.tk-screen-glass {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.03) 45%, transparent 65%);
  z-index: 3;
}

.tk-screen-scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 8px;
  background-image: repeating-linear-gradient(0deg, rgba(0,0,0,0.12) 0px, rgba(0,0,0,0.12) 1px, transparent 1px, transparent 3px);
  z-index: 2;
  opacity: 0.5;
}

.tk-screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-bottom: 6px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.28);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  z-index: 1;
}

.tk-screen-dots {
  display: flex;
  gap: 4px;
}
.tk-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}
.tk-dot-red { background: #ff5f56; }
.tk-dot-yellow { background: #ffbd2e; }
.tk-dot-green { background: #27c93f; }

.tk-screen-title {
  font-weight: 700;
  opacity: 0.95;
}
.tk-screen-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 8px;
  background: rgba(255,255,255,0.2);
  padding: 1px 4px;
  border-radius: 2px;
}

.tk-screen-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  word-wrap: break-word;
  white-space: pre-wrap;
  z-index: 1;
  text-shadow: 0 0 6px rgba(255,255,255,0.7), 0 0 14px color-mix(in srgb, var(--tk-accent) 80%, white);
}
.tk-screen-body::-webkit-scrollbar {
  width: 3px;
}
.tk-screen-body::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.35);
  border-radius: 2px;
}

.tk-prompt {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 700;
  user-select: none;
}

.tk-cursor {
  display: inline-block;
  color: #ffffff;
  margin-left: 1px;
  animation: tk-cursor-blink 0.85s steps(2, start) infinite;
  vertical-align: baseline;
  font-size: 13px;
}
@keyframes tk-cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes tk-screen-flicker {
  0%, 93%, 97% {
    background-color: var(--tk-accent);
    opacity: 1;
  }
  95%, 100% {
    background-color: color-mix(in srgb, var(--tk-accent) 84%, black);
    opacity: 0.95;
  }
}

/* Keys container */
.tk-keys {
  display: flex;
  justify-content: space-between;
  width: 100%;
  transform: translateZ(4px);
  padding: 0 3px;
}

/* Individual key */
.tk-key { width: 30px; height: 27px; transition: transform 0.04s ease; cursor: pointer; }
.tk-key--w2 { width: 60px; }
.tk-key--w3 { width: 90px; }
.tk-key--w6 { width: 195px; }

.tk-key__front { width: 30px; height: 8px; transform: rotateX(-90deg) translateZ(13.5px); background-color: #78716c; }
.tk-key__front--w2 { width: 60px; }
.tk-key__front--w3 { width: 90px; }
.tk-key__front--w6 { width: 195px; }

.tk-key__back { width: 30px; height: 8px; transform: rotateX(90deg) translateZ(13.5px); background-color: #fafaf9; }
.tk-key__back--w2 { width: 60px; }
.tk-key__back--w3 { width: 90px; }
.tk-key__back--w6 { width: 195px; }

.tk-key__top {
  width: 30px;
  height: 27px;
  transform: rotateY(0deg) translateZ(4px);
  background-color: #fafaf9;
  background-image: linear-gradient(to bottom, color-mix(in srgb, var(--tk-accent) 18%, #ffffff), #f5f5f4);
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.85), inset 0 -1.5px 2px rgba(0,0,0,0.14), 0 1px 2px rgba(0,0,0,0.1);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tk-key__top--w2 { width: 60px; }
.tk-key__top--w3 { width: 90px; }
.tk-key__top--w6 { width: 195px; }

.tk-key__legend {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-family: var(--mono, "Space Mono", monospace);
  font-size: 7.5px;
  font-weight: 700;
  color: #475569;
  letter-spacing: 0;
  user-select: none;
  pointer-events: none;
  line-height: 1;
  position: relative;
}
.tk-key__sublegend {
  font-size: 5px;
  opacity: 0.65;
  margin-bottom: 1px;
}
.tk-key__main-label {
  letter-spacing: 0;
}
.tk-key__homing-notch {
  position: absolute;
  bottom: 2px;
  width: 6px;
  height: 1.5px;
  background: #64748b;
  border-radius: 1px;
}

.tk-face--b1 .tk-key__legend,
.tk-face--o1 .tk-key__legend {
  color: #ffffff !important;
}

.tk-key__bottom { width: 30px; height: 27px; transform: rotateY(180deg) translateZ(4px); background-color: #57534e; }
.tk-key__bottom--w2 { width: 60px; }
.tk-key__bottom--w3 { width: 90px; }
.tk-key__bottom--w6 { width: 195px; }

.tk-key__right { width: 8px; height: 27px; transform: rotateY(90deg) translateZ(15px); background-color: #78716c; }
.tk-key__right--w2 { transform: rotateY(90deg) translateZ(30px); }
.tk-key__right--w3 { transform: rotateY(90deg) translateZ(45px); }
.tk-key__right--w6 { transform: rotateY(90deg) translateZ(97.5px); }

.tk-key__left {
  width: 8px;
  height: 27px;
  transform: rotateY(90deg) translateZ(-15px);
  background-image: linear-gradient(to bottom, #d6d3d1, #a8a29e);
}
.tk-key__left--w2 { transform: rotateY(90deg) translateZ(-30px); }
.tk-key__left--w3 { transform: rotateY(90deg) translateZ(-45px); }
.tk-key__left--w6 { transform: rotateY(90deg) translateZ(-97.5px); }

/* Accent colors */
.tk-face--b1 { background: var(--tk-accent); }
.tk-face--b2 { background-image: linear-gradient(to bottom, color-mix(in srgb, var(--tk-accent) 80%, black), var(--tk-accent)); }
.tk-face--b3 { background-color: color-mix(in srgb, var(--tk-accent) 60%, black); }

.tk-face--o1 { background: var(--tk-secondary); }
.tk-face--o2 { background-image: linear-gradient(to bottom, color-mix(in srgb, var(--tk-secondary) 80%, black), var(--tk-secondary)); }
.tk-face--o3 { background-color: color-mix(in srgb, var(--tk-secondary) 60%, black); }

/* Pressed state */
.tk-key--down {
  display: flex;
  justify-content: center;
  align-items: center;
  transform: translateZ(-5px);
  transition: transform 0.03s ease;
}
.tk-key--down > .tk-key__top {
  background: color-mix(in srgb, var(--tk-secondary) 85%, white) !important;
  box-shadow: 0 0 8px var(--tk-secondary);
}

.tk-hint-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--soft-line, #e5e5e5);
  background: var(--paper, #fff);
  color: var(--ink, #171717);
  box-shadow: 2px 2px 0 var(--ink, #171717);
}

html[data-theme=dark] .tk-hint-pill {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.18);
  box-shadow: 2px 2px 0 #000;
  color: #fff;
}

/* Responsive Mobile Scaling & Centering */
@media (max-width: 1024px) {
  .tk-main {
    margin-top: -235px !important;
    transform: scale(0.74) translateY(36px) !important;
    -webkit-transform: scale(0.74) translateY(36px) !important;
  }
  .tk-container {
    height: 480px !important;
  }
}

@media (max-width: 820px) {
  .tk-main {
    margin-top: -240px !important;
    transform: scale(0.66) translateY(30px) !important;
    -webkit-transform: scale(0.66) translateY(30px) !important;
  }
  .tk-container {
    height: 440px !important;
  }
  .keyboard-mount-box {
    min-height: 470px !important;
  }
}

@media (max-width: 640px) {
  .tk-top-bar {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    margin-bottom: 12px !important;
    padding: 0 4px !important;
    width: 100% !important;
  }
  .tk-controls {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    font-size: 10px !important;
  }
  .tk-main {
    margin-top: -245px !important;
    transform: scale(0.52) translateY(25px) !important;
    -webkit-transform: scale(0.52) translateY(25px) !important;
  }
  .tk-container {
    height: 380px !important;
  }
  .keyboard-mount-box {
    min-height: 420px !important;
    padding: 12px 6px !important;
  }
}

@media (max-width: 480px) {
  .tk-top-bar {
    font-size: 9px !important;
    gap: 6px !important;
    margin-bottom: 8px !important;
  }
  .tk-hint-pill {
    padding: 3px 8px !important;
    font-size: 9.5px !important;
  }
  .tk-controls {
    gap: 5px !important;
    font-size: 8.5px !important;
  }
  .tk-sfx-toggle {
    font-size: 8.5px !important;
    padding: 2.5px 6px !important;
  }
  .tk-palette-btn {
    width: 16px !important;
    height: 16px !important;
  }
  .tk-main {
    margin-top: -250px !important;
    transform: scale(0.44) translateY(18px) !important;
    -webkit-transform: scale(0.44) translateY(18px) !important;
  }
  .tk-container {
    height: 340px !important;
  }
  .keyboard-mount-box {
    min-height: 380px !important;
    padding: 8px 4px !important;
  }
  .tk-wrapper {
    padding: 8px 2px !important;
  }
}

@media (max-width: 380px) {
  .tk-main {
    margin-top: -255px !important;
    transform: scale(0.39) translateY(15px) !important;
    -webkit-transform: scale(0.39) translateY(15px) !important;
  }
  .tk-container {
    height: 310px !important;
  }
  .keyboard-mount-box {
    min-height: 350px !important;
  }
}

@media (max-width: 340px) {
  .tk-main {
    margin-top: -260px !important;
    transform: scale(0.34) translateY(12px) !important;
    -webkit-transform: scale(0.34) translateY(12px) !important;
  }
  .tk-container {
    height: 280px !important;
  }
  .keyboard-mount-box {
    min-height: 320px !important;
  }
}