/* HiPhi-inspired archive shell. Assets and type are served locally. */
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:400;font-display:swap;src:url("assets/space-grotesk-400.ttf") format("truetype")}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:500;font-display:swap;src:url("assets/space-grotesk-500.ttf") format("truetype")}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:600;font-display:swap;src:url("assets/space-grotesk-600.ttf") format("truetype")}

:root {
  --bg:#f3f5fa;
  --surface:#fff;
  --sidebar:#edf0f7;
  --text:#141e32;
  --muted:#5c6980;
  --line:#d4dce9;
  --accent:#5142c9;
  --accent-soft:#e9e7fc;
  --orange:#5142c9;
  --shadow:0 18px 50px #1c255c17;
  --heading:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --cyan:#006e88;
  --hero-glow:#bfcbff55;
  --grid:#8999b613;
  --glass:#f3f5faf0;
  --top:80px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
body.dark {
  --bg:#090c14;
  --surface:#111724;
  --sidebar:#0d121e;
  --text:#edf0f8;
  --muted:#a0aec5;
  --line:#293247;
  --accent:#b1a0ff;
  --accent-soft:#28233e;
  --orange:#b1a0ff;
  --shadow:0 18px 60px #0005;
  --cyan:#78dff5;
  --hero-glow:#4e3e8e2b;
  --grid:#9dafff0a;
  --glass:#090c14ef;
}
body {text-rendering:optimizeLegibility}
.topbar {
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
}
.topbar::after {
  content:"";position:absolute;bottom:-1px;left:var(--side);right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),#65cbe0,transparent);opacity:.5;
}
.brand {font-family:var(--heading);font-weight:600;letter-spacing:-1.1px;gap:14px}
.brand small {font-family:ui-monospace,SFMono-Regular,monospace;letter-spacing:2px;font-weight:400;font-size:8px;color:var(--muted);margin-top:3px}
.brand-logo {width:38px;height:38px}
.search-trigger {height:42px;border-radius:3px;background:var(--surface);font-size:12px}
.search-trigger:hover {border-color:var(--accent)}
kbd {border-radius:2px;background:var(--bg)}
.archive-badge {font-size:10px;letter-spacing:.25px}
.archive-badge i {background:var(--cyan);box-shadow:0 0 0 4px color-mix(in srgb,var(--cyan) 9%,transparent)}
.icon-button {width:40px;height:40px;flex-shrink:0;border-radius:3px}
.theme-sun,.dark .theme-moon {display:none}
.dark .theme-sun {display:block}
.sidebar {padding-top:25px;background:var(--sidebar);height:calc(100dvh - var(--top))}
.library-link,.model-link,.toc-row {border-radius:3px}
.library-link.active {box-shadow:inset 2px 0 var(--accent)}
.sidebar-label,.toc-heading,.article-meta,.page-outline>span,.eyebrow,.card-code {
  font-family:ui-monospace,SFMono-Regular,monospace;
}
.sidebar-label {letter-spacing:1.7px}
.model-link {padding-top:11px;padding-bottom:11px}
.model-link.active {box-shadow:inset 2px 0 var(--accent)}
.model-letter {font-family:var(--heading);border-radius:2px;background:var(--surface)}
.sidebar-footer {padding-top:20px;padding-bottom:20px}
.archive-icon {color:var(--accent)}
.sidebar-shade {backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.overview {position:relative;isolation:isolate;padding-top:61px}
.overview::before {
  content:"";position:absolute;z-index:-1;pointer-events:none;inset:0 -24px auto;height:410px;
  background:radial-gradient(ellipse at 78% 12%,var(--hero-glow),transparent 65%),
    linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:auto,44px 44px,44px 44px;
  -webkit-mask-image:linear-gradient(#000,transparent);
  mask-image:linear-gradient(#000,transparent);
}
.eyebrow {display:flex;align-items:center;gap:10px;color:var(--accent);font-size:9px;letter-spacing:1.7px;margin-bottom:23px}
.eyebrow::before {content:"";width:21px;height:2px;flex-shrink:0;background:var(--accent);box-shadow:7px -4px 0 -0.5px var(--cyan)}
.overview h1 {font-family:var(--heading);font-size:clamp(38px,3.5vw,55px);font-weight:500;line-height:1.12;letter-spacing:-2.3px;margin-bottom:23px}
.overview h1 span {color:var(--accent)}
.intro {font-size:13px;line-height:1.85;max-width:560px}
.overview-stats {gap:30px;margin:30px 0 40px;padding-bottom:25px;border-bottom:1px solid var(--line)}
.overview-stats strong {font-family:var(--heading);font-weight:400;font-size:25px;letter-spacing:-1px}
.overview-stats span {font-size:10px}
.overview-stats>div+div {padding-left:30px}
.section-heading {margin-bottom:19px}
.section-heading h2 {font-family:var(--heading);font-size:18px;font-weight:500;letter-spacing:-.5px}
.section-heading>span {font:9px ui-monospace,SFMono-Regular,monospace;letter-spacing:.6px;text-transform:uppercase}
.model-grid {gap:18px}
.model-card {border-radius:3px 3px 20px 3px;position:relative;box-shadow:0 3px 12px #14214305;transition:transform .2s,border-color .2s,box-shadow .2s}
.model-card:hover {border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-4px)}
.model-card:focus-visible {outline-offset:5px}
.card-art {background:#151b26;border-bottom:1px solid var(--line)}
.card-art::after {content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,#060d2720,transparent 35%,#060d2714)}
.card-code {border:1px solid #ffffff40;border-radius:2px;background:#0a1129b8;font-size:9px;letter-spacing:1.5px;padding:6px 9px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.model-photo {transition:transform .4s}
.card-content {padding:23px 21px 21px}
.card-title {margin-bottom:8px}
.card-title h3 {font-family:var(--heading);font-size:27px;font-weight:500;letter-spacing:-1px}
.card-title>span {font-family:ui-monospace,SFMono-Regular,monospace;font-size:9px}
.card-description {font-size:11px;margin-bottom:20px}
.language-tag {border:1px solid var(--line);border-radius:2px;background:transparent;padding:5px 7px}
.language-tag.translated {border-color:transparent;background:var(--accent-soft)}
.card-bottom {padding-top:16px;margin-top:20px;font-size:11px}
.card-bottom .arrow {display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--line);border-radius:50%;font-size:18px}
.model-card:hover .arrow {border-color:var(--accent);background:var(--accent-soft)}
.archive-note {margin-top:32px;padding:22px 0}
.archive-note>span {color:var(--accent)}
.main-footer {font:9px ui-monospace,SFMono-Regular,monospace;letter-spacing:.2px}
.reader-toolbar {min-height:86px}
.contents-button {align-items:center;gap:10px;width:100%;min-height:46px;padding:10px 13px;border:1px solid var(--accent);border-radius:3px;background:var(--surface);color:var(--accent);font-size:13px}
.contents-button span {flex:1;text-align:left;font-weight:500}
.contents-button svg {width:18px;height:18px;flex-shrink:0}
#article-title {font-family:var(--heading);font-size:32px;font-weight:500;letter-spacing:-1px}
.article-content {line-height:1.9}
.article-content h2,.article-content h3 {font-family:var(--heading);font-weight:500}
.article-content h2 {letter-spacing:-.5px}
.article-content img {border-radius:2px}
.article-content .diagram,.table-scroll {border-radius:2px}
.reader-actions select,.search-filters select {border-radius:3px;min-height:38px}
.translation-note {background:var(--accent-soft)}
.article-pagination a {padding:10px;border:1px solid var(--line);border-radius:2px}
.article-pagination a:hover {background:var(--accent-soft)}
.primary-button {border-radius:2px}
dialog {border-radius:5px;max-height:calc(100dvh - 32px)}
dialog::backdrop {background:#080e25a8;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.search-dialog {max-height:calc(100dvh - 48px)}
.search-box {padding:14px 16px}
.search-box input {font-size:16px}
.search-results {max-height:min(55vh,calc(100dvh - 230px))}
.result-title {font-family:var(--heading);font-size:14px}
.image-dialog {height:94dvh}
.image-toolbar {padding:8px 14px}
.image-hint {font-family:ui-monospace,SFMono-Regular,monospace;font-size:9px}
.about-dialog h2 {font-family:var(--heading);font-weight:500}
.about-dialog a {color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.toast {border-radius:3px}
mark {background:#dcd6ff;color:#241f57}
.dark mark {background:#67529a;color:#fff}

@media(hover:hover) and (prefers-reduced-motion:no-preference) {
  .model-card:hover .model-photo {transform:scale(1.025)}
}
@media(max-width:1250px) {
  .overview {padding-top:44px}
  .overview h1 {font-size:43px}
  .model-grid {gap:12px}
  .card-content {padding:20px 16px}
  .card-title h3 {font-size:24px}
  .overview-stats {gap:20px}
  .overview-stats>div+div {padding-left:20px}
}
@media(max-width:1000px) {
  .overview h1 {font-size:42px}
  .card-art {border-bottom:0;border-right:1px solid var(--line)}
  .card-bottom {margin-top:16px}
}
@media(max-width:960px) {
  :root {--top:66px}
  .topbar {gap:8px;padding:0 12px}
  .topbar::after {left:0}
  .brand {gap:9px;font-size:21px;min-width:0}
  .brand-logo {width:32px;height:32px}
  .brand small {font-size:7px;letter-spacing:1.4px}
  .icon-button,.search-trigger {width:42px;height:44px}
  .search-trigger {padding:11px;flex:0 0 42px;background:none}
  .search-trigger svg {width:20px;height:20px}
  main {padding:0 22px}
  .overview {padding-top:36px}
  .overview::before {inset:0 -16px auto;height:350px;background-size:auto,36px 36px,36px 36px}
  .eyebrow {font-size:8px;letter-spacing:1.3px;gap:8px;margin-bottom:20px}
  .eyebrow::before {width:15px}
  .overview h1 {font-size:clamp(31px,8.7vw,43px);letter-spacing:-1.5px;line-height:1.15;margin-bottom:19px}
  .intro {font-size:12px;line-height:1.85}
  .overview-stats {gap:22px;margin-top:25px;margin-bottom:29px;padding-bottom:23px}
  .overview-stats>div+div {padding-left:22px}
  .overview-stats strong {font-size:24px}
  .overview-stats span {font-size:9px}
  .section-heading h2 {font-size:18px}
  .model-grid {gap:23px}
  .model-card {border-radius:3px 3px 18px 3px}
  .card-art {border-right:0;border-bottom:1px solid var(--line)}
  .card-content {padding:22px}
  .card-title h3 {font-size:28px}
  .card-description {font-size:12px}
  .card-languages {min-height:0}
  .language-tag {font-size:10px}
  .card-bottom {font-size:12px;margin-top:18px}
  .card-bottom small {font-size:10px}
  .archive-note {align-items:flex-start;flex-wrap:wrap;gap:10px}
  .archive-note p {min-width:190px}
  .archive-note .text-button {max-width:none;text-align:left;margin-left:33px;font-size:11px;min-height:40px}
  .main-footer {font-size:8px;gap:16px;line-height:1.8}
  body.nav-open {overflow:hidden}
  .sidebar {width:min(370px,calc(100vw - 25px));padding:14px 14px 0;overflow:hidden}
  .sidebar .sidebar-label,.sidebar-footer {display:none}
  .sidebar .library-link {flex-shrink:0}
  #model-nav {display:flex;gap:6px;margin:8px 0 12px;flex-shrink:0}
  .model-link {flex:1;justify-content:center;min-width:0;padding:10px 4px;border:1px solid var(--line);font-size:12px}
  .model-link .model-letter,.model-link .code {display:none}
  .model-link.active {border-color:var(--accent);box-shadow:none}
  .toc-heading {flex-shrink:0;margin:0 0 8px;padding:10px 4px 0;font-size:10px}
  .toc-heading .text-button {min-height:32px;padding:8px 0}
  #toc {min-height:0;padding-bottom:20px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
  .toc-list .toc-list {margin-left:6px;padding-left:5px}
  .contents-button {position:sticky;top:calc(var(--top) + 8px);z-index:20;margin-top:16px;box-shadow:0 4px 18px color-mix(in srgb,var(--bg) 85%,transparent)}
  .contents-button:hover {background:var(--accent-soft)}
  .library-link,.model-link {min-height:44px}
  .toc-row a {min-height:40px;font-size:12px;padding-top:10px;padding-bottom:10px}
  .toc-toggle {width:32px;min-height:40px}
  .reader-toolbar {padding:17px 0;gap:12px}
  .reader-actions select,.search-filters select {font-size:16px;min-height:44px}
  #article-title {font-size:28px;letter-spacing:-.8px}
  .article-content {font-size:14px}
  .article-content h2 {font-size:20px}
  .article-meta {font-size:9px;line-height:1.8}
  .search-dialog {margin:12px auto;max-height:calc(100dvh - 24px)}
  .search-box {gap:9px;padding:10px 11px}
  .search-box>svg {display:none}
  .search-box input {font-size:16px;min-height:44px}
  .search-filters {align-items:flex-start;flex-direction:column;gap:9px}
  .search-filters span {font-size:10px}
  .search-results {max-height:calc(100dvh - 253px);min-height:48px;overscroll-behavior:contain}
  .search-footer {padding:10px 12px;font-size:9px}
  .image-dialog {width:100vw;height:96dvh;max-height:96dvh}
  .image-toolbar {gap:8px;padding:8px}
  .image-toolbar>div {gap:0;flex-shrink:0}
  .image-toolbar>span {min-width:0}
  .image-toolbar .text-button {min-height:44px}
  .image-hint {font-size:8px}
  .about-dialog {padding:38px 23px 25px}
}
@media(max-width:360px) {
  .topbar {padding:0 7px;gap:4px}
  .brand {gap:7px}
  .brand small {letter-spacing:1px}
  main {padding:0 18px}
  .eyebrow {font-size:7px;letter-spacing:1px}
  .overview-stats {gap:17px}
  .overview-stats>div+div {padding-left:17px}
  .card-content {padding:19px}
}
@media(max-width:960px) and (orientation:landscape) {
  .overview h1 {font-size:42px}
  .model-card {display:flex}
  .card-art {width:45%;aspect-ratio:auto;min-height:230px;border-bottom:0;border-right:1px solid var(--line)}
  .card-content {min-width:0;flex:1;padding:22px}
  .overview-stats>div {display:flex;align-items:baseline;gap:9px}
  .search-filters {flex-direction:row;align-items:center}
  .search-results {max-height:calc(100dvh - 219px)}
  .sidebar {padding-top:8px}
  .sidebar .library-link {display:none}
  #model-nav {margin-top:0;margin-bottom:6px}
  .toc-heading {padding-top:4px;margin-bottom:5px}
}
@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after {scroll-behavior:auto!important;transition:none!important}
  .model-card:hover {transform:none}
}
@media print {
  .contents-button {display:none!important}
  body,body.dark {--bg:#fff;--surface:#fff;--sidebar:#f1f1f1;--text:#000;--muted:#444;--line:#ccc;--accent:#222;--accent-soft:#eee;background:#fff;color:#000}
  .overview::before {display:none}
}