:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #0b111a;
  --surface: #111a26;
  --panel: #131e2c;
  --edge: #26364a;
  --text: #e8eff7;
  --muted: #8699ae;
  --accent: #59d4ad;
  --accent-dim: #1b3b35;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }
button, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.icon { display: inline-block; width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.icon-sprite { display: none; }
.app-shell { width: min(1280px, calc(100% - 56px)); margin: 0 auto; }
.site-header { height: 72px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #223043; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 17px; font-weight: 750; letter-spacing: -.025em; }
.brand-mark { color: var(--accent); background: #15332e; border: 1px solid #2a6352; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; }
.brand-mark .icon { width: 20px; height: 20px; }
.brand-accent { color: var(--accent); }
.page-intro { margin: 43px 0 28px; }
.page-intro h1 { font-size: clamp(26px, 4vw, 35px); letter-spacing: -.045em; line-height: 1.2; margin: 0 0 9px; font-weight: 730; }
.page-intro p { margin: 0; color: var(--muted); font-size: 13px; }
.workspace { background: var(--surface); border: 1px solid var(--edge); padding: 22px 24px; border-radius: 13px; }
.input-form label { display: block; font-weight: 650; font-size: 12px; color: #b7c6d6; margin-bottom: 10px; }
.input-line { display: flex; gap: 10px; }
.url-input-wrap { min-width: 0; flex: 1; display: flex; align-items: center; gap: 12px; background: #0b1420; border: 1px solid #33455a; border-radius: 8px; padding: 0 15px; }
.url-input-wrap .icon { color: #6b8399; width: 17px; height: 17px; }
.url-input-wrap:focus-within { border-color: #51a88e; }
.url-input-wrap input { min-width: 0; min-height: 46px; padding: 8px 0; width: 100%; background: transparent; outline: none; border: 0; color: var(--text); font-size: 13px; }
input::placeholder { color: #60748a; }
.primary-button { display: flex; align-items: center; justify-content: center; gap: 10px; min-width: 154px; min-height: 46px; padding: 0 16px; color: #092019; border: 1px solid #5bcea8; border-radius: 8px; background: var(--accent); font-weight: 730; font-size: 12px; }
.primary-button:hover { background: #83e8c5; }
.primary-button:disabled { opacity: .55; cursor: wait; }
.primary-button .icon { height: 15px; width: 15px; }
.status { margin-top: 13px; border-radius: 8px; padding: 11px 13px; background: #182c3d; border: 1px solid #31506a; color: #b9d0e4; font-size: 12px; }
.status-success { color: #9de9c3; background: #19352c; border-color: #2b614e; }
.status-error { color: #ffc3c9; background: #331f2b; border-color: #75404b; }
.results-section { margin-top: 37px; }
.results-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 20px; }
.results-heading-main { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.results-heading h2 { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 18px; font-weight: 710; letter-spacing: -.025em; }
.result-count { font-size: 12px; background: #20382f; color: #8de8bb; padding: 3px 9px; border-radius: 12px; }
.source-domain { color: #7890a5; font-size: 12px; }
.toolbar { display: flex; gap: 8px; }
.secondary-button { display: inline-flex; align-items: center; gap: 8px; color: #c1d0df; padding: 9px 12px; background: #172335; border: 1px solid #32465c; border-radius: 8px; font-size: 12px; font-weight: 650; }
.secondary-button .icon { width: 15px; height: 15px; }
.secondary-button:hover { background: #22344a; color: #fff; }
.filter-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 17px; }
.filter-search { display: flex; align-items: center; gap: 9px; border: 1px solid #304156; background: #101b2a; border-radius: 8px; padding: 0 13px; width: min(420px, 100%); color: #7992aa; }
.filter-search .icon { width: 16px; height: 16px; }
.filter-search input { outline: none; border: 0; background: transparent; color: #e4eef7; flex: 1; width: 100%; min-height: 39px; font-size: 12px; }
.filtered-count { color: #70879d; font-size: 12px; white-space: nowrap; }
.model-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.model-card { background: #101b2a; border: 1px solid #293b4f; border-radius: 11px; overflow: hidden; min-width: 0; transition: border-color .15s; }
.model-card:hover { border-color: #467866; }
.preview-trigger { width: 100%; border: 0; border-radius: 0; padding: 0; display: block; background: transparent; position: relative; }
.model-preview { height: 210px; background: radial-gradient(circle at 50% 35%, #26384a, #132131 64%, #0d1826); display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 10px; overflow: hidden; color: #849daf; }
.model-preview > .icon { width: 40px; height: 40px; stroke-width: 1.1; opacity: .7; }
.preview-message { font-size: 12px; color: #91a4b4; padding: 0 15px; text-align: center; }
.model-preview img { display: block; width: 100%; height: 100%; object-fit: cover; }
.preview-error-icon { color: #d8a67f; }
.preview-trigger:hover .model-preview img { filter: brightness(1.06); }
.model-badge { position: absolute; top: 12px; left: 12px; background: #102b28e0; color: #83dfb4; font-size: 10px; letter-spacing: .05em; font-weight: 750; border: 1px solid #356958; border-radius: 5px; padding: 3px 7px; }
.model-card-body { padding: 15px; }
.model-name { margin: 0; color: #e5edf6; font: 650 12px/1.5 ui-monospace, "SFMono-Regular", Consolas, monospace; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.model-host { margin: 4px 0 14px; color: #788fa7; font: 11px/1.4 ui-monospace, Consolas, monospace; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.model-material { margin: -6px 0 10px; color: #d4ad84; font-size: 11px; }
.model-actions { display: flex; gap: 7px; }
.convert-action { width: 100%; min-height: 35px; margin-top: 9px; display: flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid #365366; background: #192b3b; color: #b7d8e5; border-radius: 7px; font-size: 11px; font-weight: 650; }
.convert-action .icon { width: 15px; height: 15px; }
.convert-action:hover:not(:disabled) { color: #e4f7ee; border-color: #4b967d; background: #213c40; }
.convert-action:disabled { opacity: .58; cursor: progress; }
.convert-action.is-busy { border-color: #4f947c; }
.cache-toolbar { margin: -3px 0 18px; display: flex; align-items: center; gap: 13px; justify-content: flex-end; color: #7d94aa; font-size: 11px; }
.cache-toolbar button { display: inline-flex; gap: 5px; align-items: center; border: 0; background: none; color: #8fa6b8; font-size: 11px; padding: 4px; }
.cache-toolbar button:hover:not(:disabled) { color: #ddf2eb; }
.cache-toolbar button:disabled { opacity: .45; cursor: default; }
.cache-toolbar .icon { width: 13px; height: 13px; }
.model-view-action { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 7px; background: #1a3d34; border: 1px solid #2e7058; border-radius: 7px; color: #99e9bd; font-size: 11px; font-weight: 700; min-height: 34px; }
.model-view-action:hover { background: #265040; }
.model-view-action .icon { width: 15px; height: 15px; }
.card-action { display: inline-grid; place-items: center; color: #aebfd0; border: 1px solid #324961; background: #1b2b3e; border-radius: 7px; width: 36px; height: 34px; text-decoration: none; }
.card-action:hover { background: #2b3d50; color: #fff; }
.card-action .icon { width: 16px; height: 16px; }
.empty-filter { border: 1px dashed #34506a; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 220px; border-radius: 11px; text-align: center; gap: 9px; padding: 20px; color: #9fb4c8; }
.empty-filter > .icon { width: 32px; height: 32px; color: var(--accent); opacity: .7; }
.empty-filter strong { color: #e0e9f2; font-size: 14px; }
.empty-filter p { font-size: 12px; margin: 0; }
.model-dialog { padding: 0; border: 1px solid #354d63; border-radius: 13px; background: #101a28; color: #e4edf4; width: min(900px, calc(100vw - 28px)); max-width: none; max-height: 94vh; overflow: auto; box-shadow: 0 30px 85px #000b; }
.model-dialog::backdrop { background: #050b14d9; backdrop-filter: blur(5px); }
.model-dialog-shell { padding: 16px; display: flex; flex-direction: column; gap: 14px; }
.model-dialog-head { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
.model-dialog-titles { min-width: 0; }
.dialog-eyebrow { color: #6abfa2; font-weight: 750; font-size: 10px; letter-spacing: .12em; }
.model-dialog-titles h2 { font: 700 18px/1.4 ui-monospace, Consolas, monospace; margin: 3px 0; max-width: min(720px, calc(100vw - 150px)); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.model-dialog-titles p { color: #869cb0; font-size: 11px; margin: 0; }
.icon-button { display: grid; place-items: center; width: 35px; height: 35px; border: 1px solid #395269; border-radius: 7px; background: #1b2e40; color: #cbd7e4; }
.icon-button:hover { background: #2b4358; }
.viewer-stage { background: radial-gradient(circle at 50% 35%, #2c4356, #102033); border: 1px solid #36516a; border-radius: 9px; height: min(57vh, 520px); min-height: 260px; overflow: hidden; position: relative; }
.viewer-stage canvas { width: 100%; height: 100%; display: block; touch-action: none; }
.viewer-bottom { display: flex; flex-direction: column; gap: 11px; }
.viewer-toolbar { display: flex; gap: 7px; flex-wrap: wrap; }
.viewer-toolbar button { display: inline-flex; align-items: center; gap: 7px; background: #1b2d40; color: #b7c9d8; font-size: 12px; border: 1px solid #395168; border-radius: 7px; padding: 8px 11px; }
.viewer-toolbar button:disabled { opacity: .4; cursor: default; }
.viewer-toolbar button.is-on { color: #96eec2; background: #1b392e; border-color: #376850; }
.viewer-toolbar .icon { width: 15px; height: 15px; }
.viewer-optimize { border: 1px solid #30475b; background: #132333; border-radius: 10px; padding: 15px; display: flex; flex-direction: column; gap: 12px; }
.viewer-optimize-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.viewer-optimize-heading h3 { font-size: 14px; font-weight: 700; margin: 0 0 3px; }
.viewer-optimize-heading p { color: #8fa5b8; font-size: 11px; margin: 0; }
.viewer-optimize-control { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; }
.viewer-optimize-control label { font-size: 11px; color: #adbfce; }
.viewer-optimize-control select { background: #0e1b2b; color: #d8e6ee; border: 1px solid #40586a; border-radius: 7px; font-size: 12px; padding: 7px 8px; }
.viewer-generate, .viewer-download-optimized { min-height: 34px; padding: 7px 13px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 1px solid #427c68; color: #9cebc8; background: #1b4338; border-radius: 7px; font-size: 12px; font-weight: 700; }
.viewer-generate:hover:not(:disabled), .viewer-download-optimized:hover:not(:disabled) { background: #285646; }
.viewer-generate:disabled, .viewer-download-optimized:disabled { opacity: .43; cursor: default; }
.viewer-generate .icon, .viewer-download-optimized .icon { width: 15px; height: 15px; }
.viewer-compare { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.viewer-variant { display: inline-flex; border: 1px solid #36516a; background: #0f1b2b; padding: 3px; border-radius: 8px; gap: 3px; }
.viewer-variant button { padding: 6px 13px; background: transparent; color: #94a9b9; border: 0; border-radius: 5px; font-size: 12px; font-weight: 650; }
.viewer-variant button.is-on { background: #23463c; color: #9fe5cb; }
.viewer-variant button:disabled { opacity: .42; cursor: default; }
.viewer-variant button.is-on:disabled { opacity: 1; }
.viewer-optimize-progress { margin: 0; color: #96b2c1; font-size: 11px; }
.viewer-optimize-progress.viewer-error { color: #ffb9b9; }
.viewer-optimize-summary { margin: -4px 0 0; color: #a2e3c9; font-size: 12px; font-variant-numeric: tabular-nums; }
.viewer-status { color: #91a8b9; min-height: 19px; font-size: 12px; margin: 0; }
.viewer-error { color: #efadad; }
@media (max-width: 1000px) {
  .model-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 660px) {
  .app-shell { width: calc(100% - 28px); }
  .page-intro { margin-top: 30px; }
  .workspace { padding: 16px; }
  .input-line { flex-direction: column; }
  .results-heading { align-items: stretch; flex-direction: column; }
  .filter-row { align-items: stretch; flex-direction: column; gap: 6px; }
  .filter-search { width: 100%; }
  .model-grid { gap: 11px; }
  .model-preview { height: 165px; }
  .model-card-body { padding: 12px; }
  .model-actions { flex-wrap: wrap; }
  .model-view-action { min-width: 100%; }
}
@media (max-width: 480px) {
  .model-grid { grid-template-columns: 1fr; }
  .model-preview { height: 225px; }
  .model-actions { flex-wrap: nowrap; }
  .model-view-action { min-width: 0; }
  .viewer-toolbar { display: grid; grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .model-card { transition: none; }
}