/* ClipShift - "Midnight Violet" (enterprise SaaS look). Deep navy, violet-to-blue gradient, glass cards, Inter (self-hosted, SIL OFL).
   Dark by default, follows the OS, and the header toggle overrides it. All text pairs verified >= 4.5:1 (UI >= 3:1). */
@font-face { font-family: "Inter Variable"; font-style: normal; font-display: swap; font-weight: 100 900;
  src: url(/assets/fonts/inter-latin-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Inter Variable"; font-style: normal; font-display: swap; font-weight: 100 900;
  src: url(/assets/fonts/inter-vietnamese-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB; }

:root {
  --bg-img: url(/assets/bg-dark.webp);
  --bg: #060A1C; --bg2: #0B1236; --card: #0E1533; --card-glass: rgba(20, 29, 72, .55); --line: #222C5C; --line-soft: rgba(124, 140, 255, .16);
  --fg: #F4F6FF; --muted-fg: #A8B3D6; --accent-text: #9AA7FF; --hl-a: #8B7CFF; --hl-b: #4DA3FF;
  --g1: #6D4AFF; --g2: #3F63EE; --on-g: #FFFFFF; --glow: rgba(109, 74, 255, .35);
  --ready: #34D399; --error: #FB7185; --ring: #FFFFFF; --dot-ink: #04140D; --track: #1B2552;
  --sans: "Inter Variable", Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --r: 16px; color-scheme: dark;
}
:root[data-theme="light"] { --bg-img: url(/assets/bg-light.svg); --bg: #F5F7FF; --bg2: #E8EDFF; --card: #FFFFFF; --card-glass: rgba(255, 255, 255, .8); --line: #D9E0F5; --line-soft: rgba(91, 61, 245, .16);
  --fg: #0B1230; --muted-fg: #4A5578; --accent-text: #4B35D6; --hl-a: #5B3DF5; --hl-b: #2F5BEA; --glow: rgba(91, 61, 245, .18);
  --ready: #15803D; --error: #B91C1C; --ring: #0B1230; --dot-ink: #FFFFFF; --track: #E3E8FA; color-scheme: light; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; color: var(--fg); font: 16px/1.55 var(--sans); min-height: 100vh; -webkit-font-smoothing: antialiased; background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%) fixed; background-color: var(--bg); }
/* Hero background art (own artwork: skyline + QUT sign built from the supplied QUT logo file). Sits behind the first screen and fades out. */
body::before { content: ""; position: absolute; z-index: -1; top: 0; left: 0; right: 0; height: clamp(760px, 56vw, 1100px); pointer-events: none;
  background: var(--bg-img) 88% 0 / cover no-repeat; -webkit-mask-image: linear-gradient(#000 62%, transparent); mask-image: linear-gradient(#000 62%, transparent); }
[hidden] { display: none !important; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted-fg); }
.small { font-size: .875rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
svg.i { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
:focus-visible { outline: 2px solid var(--ring); outline-offset: 3px; border-radius: 8px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--g1); color: var(--on-g); padding: 10px 14px; z-index: 30; border-radius: 8px; }
.skip:focus { left: 8px; }
.grad-text { background: linear-gradient(90deg, var(--hl-a), var(--hl-b)); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }

/* header */
.nav { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); background: color-mix(in srgb, var(--bg) 72%, transparent); border-bottom: 1px solid var(--line-soft); }
.nav-in { max-width: 1180px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 750; font-size: 1.2rem; letter-spacing: -.02em; }
.brand .mark { width: 46px; height: 31px; }
.links { display: flex; gap: 6px; margin: 0 auto 0 28px; }
.links a { color: var(--muted-fg); text-decoration: none; padding: 8px 14px; border-radius: 10px; font-weight: 500; font-size: .95rem; transition: color .15s, background-color .15s; }
.links a:hover { color: var(--fg); background: var(--line-soft); }
.nav-r { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.links + .nav-r { margin-left: 0; }
.icon-btn { width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line); background: transparent; color: var(--fg); cursor: pointer; display: grid; place-items: center; transition: background-color .15s, border-color .15s; }
.icon-btn:hover { background: var(--line-soft); border-color: var(--accent-text); }
.icon-btn .sun { display: none; }
:root[data-theme="dark"] .icon-btn .sun { display: block; } :root[data-theme="dark"] .icon-btn .moon { display: none; }

/* buttons */
.btn { font: inherit; font-weight: 600; min-height: 44px; min-width: 44px; padding: 10px 20px; border-radius: 12px; border: 1px solid var(--line); background: transparent; color: var(--fg); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none; transition: background-color .15s, border-color .15s, transform .15s, box-shadow .15s, filter .15s; }
.btn:hover { border-color: var(--accent-text); background: var(--line-soft); }
.btn:active { transform: scale(.98); }
.btn.primary { background: linear-gradient(90deg, var(--g1), var(--g2)); border-color: transparent; color: var(--on-g); box-shadow: 0 8px 24px -8px var(--glow); }
.btn.primary:hover { filter: brightness(1.1); box-shadow: 0 10px 30px -6px var(--glow); }
.btn.lg { min-height: 52px; padding: 12px 26px; font-size: 1.02rem; border-radius: 14px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* hero */
main { max-width: 1180px; margin: 0 auto; padding: 56px 24px 24px; }
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--card-glass); border-radius: 999px; padding: 6px 14px; font-size: .85rem; color: var(--muted-fg); margin-bottom: 22px; }
.eyebrow svg { width: 16px; height: 16px; color: var(--accent-text); }
h1 { font-size: clamp(2.5rem, 6.2vw, 4.6rem); line-height: 1.02; margin: 0 0 20px; font-weight: 800; letter-spacing: -.04em; }
.lead { color: var(--muted-fg); margin: 0 0 28px; font-size: clamp(1.02rem, 1.6vw, 1.2rem); max-width: 34em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--muted-fg); font-size: .9rem; margin: 0; padding: 0; list-style: none; }
.trust li { display: inline-flex; align-items: center; gap: 8px; }
.trust svg { width: 16px; height: 16px; color: var(--ready); stroke-width: 3; }

/* glass cards */
.card { background: var(--card-glass); border: 1px solid var(--line-soft); border-radius: var(--r); padding: 24px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 24px 60px -30px rgba(0, 0, 0, .55); }
.stack > * + * { margin-top: 16px; }
.dropzone { position: relative; min-height: 360px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 12px; padding: 32px;
  border: 1px solid color-mix(in srgb, var(--hl-a) 55%, transparent); box-shadow: 0 0 0 1px var(--line-soft) inset, 0 0 60px -12px var(--glow), 0 24px 60px -30px rgba(0, 0, 0, .55);
  transition: border-color .2s, transform .2s, box-shadow .2s; }
.dropzone::before { content: ""; position: absolute; inset: 14px; border: 1.5px dashed var(--line); border-radius: 12px; pointer-events: none; transition: border-color .2s; }
.dropzone.drag { transform: scale(1.015); border-color: var(--hl-b); }
.dropzone.drag::before { border-color: var(--hl-b); }
.dropzone > * { position: relative; }
.dropzone p { margin: 0; }
.dz-icon { width: 76px; height: 76px; display: grid; place-items: center; }
.dz-icon svg { width: 76px; height: 76px; }
.dz-title { font-size: 1.35rem; font-weight: 650; letter-spacing: -.01em; }
.dz-or { color: var(--muted-fg); font-size: .9rem; }
.dz-note { color: var(--muted-fg); font-size: .875rem; }

.panel h2 { font-size: 1rem; margin: 0 0 12px; font-weight: 650; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row { display: flex; gap: 8px; align-items: stretch; flex-wrap: wrap; }
.linkbox { flex: 1 1 240px; min-width: 0; min-height: 44px; padding: 8px 14px; background: color-mix(in srgb, var(--bg) 70%, transparent); color: var(--fg); border: 1px solid var(--line); border-radius: 12px; font-family: var(--mono); font-size: .9rem; }
.up-head { display: flex; align-items: center; gap: 14px; }
.thumb { width: 64px; height: 64px; border-radius: 12px; background: var(--line-soft); border: 1px solid var(--line); overflow: hidden; display: grid; place-items: center; flex: none; color: var(--accent-text); }
.thumb.has-img > svg { display: none; }
.thumb canvas { width: 100%; height: 100%; object-fit: cover; display: block; }
.up-name { min-width: 0; flex: 1; }
.up-name b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.up-state { font-size: .875rem; color: var(--muted-fg); }
.up-pct { font-weight: 700; font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.bar { height: 10px; background: var(--track); border-radius: 999px; overflow: hidden; margin: 14px 0 10px; }
.bar > span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--g1), var(--hl-b)); border-radius: 999px; transition: width .2s linear; }
.facts { display: flex; gap: 6px 18px; flex-wrap: wrap; font-family: var(--mono); font-size: .85rem; color: var(--muted-fg); align-items: center; }
.error { margin-top: 16px; padding: 14px 18px; border: 1px solid var(--error); border-left-width: 4px; border-radius: 12px; background: var(--card-glass); }
.error strong { color: var(--error); }

/* sections */
.section { margin: 72px 0 0; }
.section h2.t { font-size: clamp(1.6rem, 3.2vw, 2.2rem); letter-spacing: -.03em; line-height: 1.15; margin: 0 0 10px; font-weight: 750; text-align: center; }
.section .sub { text-align: center; color: var(--muted-fg); margin: 0 auto 32px; max-width: 40em; }
.features { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line-soft); border-radius: var(--r); background: var(--card-glass); margin: 56px 0 0; padding: 0; list-style: none; }
.features li { display: flex; gap: 14px; padding: 22px 22px; align-items: flex-start; }
.features li + li { border-left: 1px solid var(--line-soft); }
.ficon { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: color-mix(in srgb, var(--hl-a) 18%, transparent); color: var(--accent-text); flex: none; border: 1px solid var(--line-soft); }
.features b { display: block; margin-bottom: 2px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 0; padding: 0; list-style: none; counter-reset: s; }
.steps li { counter-increment: s; background: var(--card-glass); border: 1px solid var(--line-soft); border-radius: var(--r); padding: 22px; position: relative; }
.steps li::before { content: "0" counter(s); font-family: var(--mono); font-size: .85rem; color: var(--accent-text); display: block; margin-bottom: 10px; }
.steps b { display: block; margin-bottom: 4px; }
.stack-chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 24px; }
.chip { font-family: var(--mono); font-size: .8rem; color: var(--muted-fg); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; background: var(--card-glass); }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pillars .card { padding: 22px; }
.pillars b { display: block; margin-bottom: 6px; font-size: 1.05rem; }
.foot { max-width: 1180px; margin: 72px auto 0; padding: 28px 24px 40px; border-top: 1px solid var(--line-soft); color: var(--muted-fg); font-size: .875rem; display: flex; gap: 12px 24px; flex-wrap: wrap; justify-content: space-between; }

/* watch page */
.watch { max-width: 980px; margin: 0 auto; padding: 32px 24px 24px; }
.player { padding: 10px; aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center; overflow: hidden; background: #000; border-color: var(--line); box-shadow: 0 0 80px -20px var(--glow), 0 24px 60px -30px rgba(0, 0, 0, .6); }
.player video { width: 100%; height: 100%; display: block; background: #000; border-radius: 10px; }
.placeholder { text-align: center; color: #A8B3D6; padding: 16px; }
.spinner { width: 32px; height: 32px; border: 3px solid #222C5C; border-top-color: #8B7CFF; border-radius: 50%; margin: 0 auto 14px; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 24px 0 10px; padding: 0; list-style: none; }
.track li { border-top: 3px solid var(--track); padding-top: 10px; font-size: .85rem; font-weight: 500; color: var(--muted-fg); display: flex; align-items: center; gap: 8px; }
.track .dot { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--track); display: grid; place-items: center; flex: none; }
.track .dot svg { width: 11px; height: 11px; stroke-width: 3.2; display: none; }
.track li.done { border-top-color: var(--ready); color: var(--fg); }
.track li.done .dot { background: var(--ready); border-color: var(--ready); color: var(--dot-ink); }
.track li.done .dot .ok { display: block; }
.track li.active { border-top-color: var(--hl-a); color: var(--fg); }
.track li.active .dot { border-color: var(--hl-a); animation: pulse 1.6s ease-in-out infinite; }
.track li.failed { border-top-color: var(--error); color: var(--fg); }
.track li.failed .dot { background: var(--error); border-color: var(--error); color: var(--dot-ink); }
.track li.failed .dot .bad { display: block; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 var(--glow); } 50% { box-shadow: 0 0 0 6px var(--glow); } }
.statusline { min-height: 1.6em; margin: 4px 0 0; font-weight: 500; }
.slate { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px 24px; margin: 20px 0 0; padding: 20px 24px; }
.slate dt { color: var(--muted-fg); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.slate dd { margin: 3px 0 0; font-family: var(--mono); }
.watch .panel { margin-top: 20px; }

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 36px; }
  .features { grid-template-columns: repeat(2, 1fr); } .features li:nth-child(3) { border-left: 0; } .features li:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
  .steps { grid-template-columns: repeat(2, 1fr); } .pillars { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .links { display: none; } .nav-in { padding: 10px 16px; gap: 12px; } main, .watch { padding-left: 16px; padding-right: 16px; } main { padding-top: 36px; }
  .features, .steps { grid-template-columns: 1fr; } .features li + li { border-left: 0; border-top: 1px solid var(--line-soft); }
  .dropzone { min-height: 300px; padding: 22px; } .card { padding: 18px; } .track li { font-size: .75rem; gap: 6px; }
  .nav .btn { padding: 8px 14px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } .dropzone.drag { transform: none; } }

/* credits */
.credits { display: grid; grid-template-columns: 1.1fr 1fr; gap: 16px; }
.credit-qut { display: flex; align-items: center; gap: 20px; }
.credit-qut img { width: 84px; height: 84px; border-radius: 8px; flex: none; object-fit: contain; }
.credit-qut b, .credit-tech b { display: block; font-size: 1.1rem; margin-bottom: 4px; }
.credit-tech .stack-chips { justify-content: flex-start; margin-top: 12px; }
.disclaimer { text-align: center; margin: 18px auto 0; max-width: 46em; }
@media (max-width: 720px) { .credits { grid-template-columns: 1fr; } .brand .mark { width: 40px; height: 27px; } }

/* author strip + services */
.author { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin: 28px 0 0; padding: 12px 18px; }
.avatar { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex: none; border: 2px solid var(--line); background: var(--line-soft); }
.author .who { flex: 1 1 260px; min-width: 0; }
.author .who b { display: block; }
.author .links-r { display: flex; gap: 8px; flex-wrap: wrap; }
.btn.sm { min-height: 44px; padding: 8px 16px; font-size: .92rem; }
.svc { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 28px 0 0; padding: 0; list-style: none; }
.svc li { background: var(--card-glass); border: 1px solid var(--line-soft); border-radius: 14px; padding: 16px 18px; }
.svc b { display: block; font-family: var(--mono); font-size: .86rem; color: var(--accent-text); margin-bottom: 6px; font-weight: 600; }
.svc span { color: var(--muted-fg); font-size: .875rem; display: block; }
.foot a { color: var(--accent-text); text-underline-offset: 3px; }
.foot .me { display: block; }
@media (max-width: 960px) { .svc { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .svc { grid-template-columns: 1fr; } .author { padding: 14px; } }

.dropzone { background: color-mix(in srgb, var(--card) 82%, transparent); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.features { -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); background: color-mix(in srgb, var(--card) 72%, transparent); }
@media (max-width: 720px) { body::before { opacity: .42; } }

.logos { display: flex; align-items: center; gap: 18px; margin: 0 0 14px; flex-wrap: wrap; }
.logos img { display: block; width: auto; }
.logos .lg-aws { height: 33px; } .logos .lg-docker { height: 29px; }
.logos .sep { width: 1px; height: 26px; background: var(--line); }
.logos .on-light { display: none; }
:root[data-theme="light"] .logos .on-dark { display: none; } :root[data-theme="light"] .logos .on-light { display: block; }
@media (max-width: 720px) { .avatar { width: 56px; height: 56px; } }

/* architecture section */
section[id] { scroll-margin-top: 84px; }
.arch-wrap { padding: 20px; overflow-x: auto; }
.arch { display: block; width: 100%; min-width: 860px; height: auto; }
.arch .nd { fill: var(--card); stroke: var(--line); stroke-width: 1.5; }
.arch .band { fill: var(--card-glass); stroke: var(--line); stroke-dasharray: 4 3; }
.arch .nt { fill: var(--fg); font: 650 15px var(--sans); }
.arch .ns { fill: var(--muted-fg); font: 12.5px var(--sans); }
.arch .lb { fill: var(--muted-fg); font: 12px var(--sans); }
.arch .lane { fill: var(--accent-text); font: 600 11px var(--mono); letter-spacing: .08em; }
.arch .mid { text-anchor: middle; }
.arch .ln { stroke: var(--hl-a); stroke-width: 2; fill: none; marker-end: url(#ah); }
.arch .ah { fill: var(--hl-a); }
.t3 { text-align: center; font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; margin: 40px 0 0; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 18px 0 0; padding: 0; list-style: none; }
.stats li { padding: 18px 20px; }
.stats strong { display: block; font-size: 1.7rem; letter-spacing: -.03em; font-weight: 750; color: var(--accent-text); margin-bottom: 6px; }
.note { text-align: center; margin: 14px auto 0; max-width: 46em; }
#architecture .svc { margin-top: 18px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .stats { grid-template-columns: 1fr; } }

/* AI video insights (watch page): a button that opens a summary panel. Only exists when a saved description exists. */
.ai-fab { position: fixed; right: 16px; bottom: 16px; z-index: 25; font: inherit; font-weight: 600; min-height: 48px; padding: 10px 20px 10px 16px; border-radius: 999px; border: 0; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px; color: var(--on-g); background: linear-gradient(90deg, var(--g1), var(--g2)); box-shadow: 0 10px 28px -8px var(--glow), 0 2px 8px rgba(0,0,0,.25);
  animation: ai-in .35s ease-out both; transition: transform .15s, filter .15s; }
.ai-fab:hover { filter: brightness(1.08); } .ai-fab:active { transform: scale(.97); }
.ai-pop { position: fixed; right: 16px; bottom: 16px; z-index: 25; width: min(420px, calc(100vw - 32px)); max-height: calc(100vh - 32px); overflow: auto; padding: 16px 18px 14px; border-radius: var(--r);
  background: var(--card-glass); border: 0; box-shadow: 0 0 26px -2px var(--glow), 0 18px 40px -16px var(--glow), 0 2px 8px rgba(0,0,0,.25);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); animation: ai-in .25s ease-out both; }
/* Highlighted border: violet-to-blue gradient ring, drawn as a masked overlay so the glass background stays see-through. */
.ai-pop::before { content: ""; position: absolute; inset: 0; padding: 1.5px; border-radius: inherit; pointer-events: none;
  background: linear-gradient(135deg, var(--hl-a), var(--hl-b) 55%, var(--hl-a));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.ai-head { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; flex-wrap: nowrap; }
.ai-ttl { white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; color: var(--accent-text); font-size: 1rem; }
.ai-ttl b { color: var(--fg); font-weight: 650; }
.ai-chip { font-size: .72rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; color: var(--accent-text); border: 1px solid var(--line); background: var(--line-soft); white-space: nowrap; }
.ai-x { margin: -8px -10px -8px auto; width: 44px; height: 44px; border: 0; background: transparent; color: var(--muted-fg); font: 400 1.6rem/1 var(--sans); border-radius: 10px; cursor: pointer; }
.ai-x:hover { color: var(--fg); background: var(--line-soft); }
.ai-vid { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; }
.ai-thumb { width: 120px; height: 68px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); background: #000; flex: none; }
.ai-meta b { display: block; font-size: .95rem; font-weight: 650; }
.ai-meta span { color: var(--muted-fg); font-size: .85rem; }
.ai-h { margin: 0 0 6px; font-size: .95rem; font-weight: 650; letter-spacing: 0; }
.ai-text { margin: 0 0 10px; font-size: .95rem; line-height: 1.55; color: var(--fg); }
.ai-foot { margin: 0; font-size: .75rem; color: var(--muted-fg); }
@keyframes ai-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .ai-fab, .ai-pop { animation: none; transition: none; } }
@media (max-width: 480px) { .ai-pop { right: 8px; left: 8px; bottom: 8px; width: auto; } .ai-fab { right: 12px; bottom: 12px; } }

.arch .nd.opt { stroke-dasharray: 6 4; }
.arch .ln.opt { stroke-dasharray: 5 4; }
@media (max-width: 480px) { .ai-head { flex-wrap: wrap; } .ai-chip { order: 3; } }