:root {
  --bg: #0b0d12;
  --bg2: #10131a;
  --card: #141823;
  --line: #242a37;
  --text: #eceef3;
  --muted: #9198a8;
  --mint: #7cf0d0;
  --blue: #6aa8ff;
  --amber: #ffb86b;
  --bad: #ff6b6b;
  --ok: #7cf0d0;
  --radius: 14px;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); -webkit-text-size-adjust: 100%; }
body { font: 15px/1.55 Inter, system-ui, -apple-system, sans-serif; min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }
main { flex: 1; width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px 40px; }
a { color: var(--mint); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: 'Space Grotesk', Inter, sans-serif; letter-spacing: -0.015em; line-height: 1.12; margin: 0 0 .5em; }
h1 { font-size: clamp(28px, 6vw, 36px); }
h2 { font-size: 22px; }
h3 { font-size: 16px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.inline { display: inline; }
.narrow { max-width: 720px; margin-left: auto; margin-right: auto; }
.pad { padding: 64px 0; }
[hidden] { display: none !important; }

/* header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; max-width: 1180px; margin: 0 auto; width: 100%; }
.brand { font: 700 19px 'Space Grotesk', sans-serif; color: var(--text); display: flex; align-items: center; gap: 10px; }
.brand:hover { text-decoration: none; }
.mark { display: inline-flex; gap: 3px; align-items: center; height: 18px; }
.mark i { display: block; width: 4px; height: 16px; border-radius: 2px; background: var(--mint); }
.mark i:nth-child(1) { opacity: .35; }
.mark i:nth-child(2) { opacity: .65; }
.mark i:nth-child(3) { width: 10px; }
.top nav { display: flex; align-items: center; gap: 16px; font-size: 14px; white-space: nowrap; }
.top nav a { color: var(--muted); }
.top nav a.on, .top nav a:hover { color: var(--text); text-decoration: none; }
.top nav .btn { color: #06201a; }
.credits { color: var(--mint); font-variant-numeric: tabular-nums; }
.linkbtn { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; padding: 0; }
.linkbtn:hover { color: var(--text); }
.linkbtn.danger:hover { color: var(--bad); }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 22px 16px calc(22px + var(--safe-b)); }
@media (max-width: 520px) { .hide-sm { display: none; } .top nav { gap: 12px; } .top nav a[href="/app"] { display: none; } }

/* controls */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; background: linear-gradient(135deg, var(--mint), #5fd8f0); color: #06201a; border: 0; border-radius: 11px; padding: 10px 18px; font: 600 15px Inter, sans-serif; cursor: pointer; touch-action: manipulation; }
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--muted); }
.btn.small { min-height: 36px; padding: 6px 12px; font-size: 13px; border-radius: 9px; }
.btn.wide { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; filter: none; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 12px; }
input, select { display: block; width: 100%; margin-top: 5px; background: var(--bg2); color: var(--text); border: 1px solid var(--line); border-radius: 9px; padding: 11px 12px; font: 16px Inter, sans-serif; }
input:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--mint) 60%, transparent); border-color: transparent; }
.alert { color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, transparent); padding: 9px 12px; border-radius: 9px; margin: 0 0 12px; }
.note { background: color-mix(in srgb, var(--mint) 10%, transparent); border: 1px solid color-mix(in srgb, var(--mint) 30%, transparent); padding: 9px 12px; border-radius: 9px; }

/* home */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; padding: 48px 0 32px; }
.eyebrow { color: var(--mint); font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .1em; margin: 0 0 12px; }
.hero h1 { font-size: clamp(36px, 7vw, 56px); }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--mint), var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: 17px; color: #c7ccd8; max-width: 34em; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0 12px; }
.hero-demo { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 14px; }
.demo-screen { position: relative; aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden; background: radial-gradient(120% 90% at 30% 20%, #1b2433, #0c0f15); }
.ball { position: absolute; top: 42%; left: 0; width: 34px; height: 34px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #fff, var(--amber) 55%, #b4581e); box-shadow: 0 0 24px #ffb86b66; animation: ball 6s infinite; }
@keyframes ball {
  0% { left: -6%; animation-timing-function: linear; }
  30% { left: 30%; animation-timing-function: cubic-bezier(.2, .6, .4, 1); }
  70% { left: 52%; animation-timing-function: cubic-bezier(.6, 0, .8, .4); }
  100% { left: 106%; }
}
.demo-track { position: relative; height: 56px; margin-top: 12px; border-radius: 8px; background: var(--bg2); overflow: hidden; }
.demo-sec { position: absolute; left: 30%; width: 50%; top: 0; bottom: 0; background: color-mix(in srgb, var(--mint) 18%, transparent); border: 1px solid var(--mint); border-radius: 8px; }
.demo-sec span { position: absolute; top: 4px; left: 8px; font: 600 11px var(--mono); color: var(--mint); }
.demo-track svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.demo-track path { fill: none; stroke: var(--blue); stroke-width: 2; vector-effect: non-scaling-stroke; }
.demo-head { position: absolute; top: 0; bottom: 0; width: 2px; background: #fff; animation: head 6s infinite linear; }
@keyframes head { 0% { left: 0; } 30% { left: 30%; } 70% { left: 52%; } 100% { left: 100%; } }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 24px 0 40px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.step b { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: color-mix(in srgb, var(--mint) 16%, transparent); color: var(--mint); font: 700 14px 'Space Grotesk'; margin-bottom: 10px; }
.step p { color: var(--muted); margin: 0; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { color: var(--muted); margin: 8px 0 0; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 20px; } .steps { grid-template-columns: 1fr; } }

/* auth */
.auth { max-width: 420px; margin: 40px auto; padding: 24px; }

/* video list */
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 12px 0 18px; }
.page-head h1 { margin: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.tile { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.thumb { position: relative; display: block; aspect-ratio: 16 / 9; background: var(--bg2); }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb-ph { position: absolute; inset: 0; display: flex; gap: 5px; align-items: center; justify-content: center; }
.thumb-ph i { width: 8px; height: 30px; border-radius: 3px; background: var(--line); }
.badge { position: absolute; left: 10px; top: 10px; font: 600 11px Inter; padding: 4px 8px; border-radius: 99px; background: #000a; backdrop-filter: blur(6px); }
.badge.done { color: var(--mint); }
.badge.running, .badge.queued { color: var(--blue); }
.badge.failed, .badge.cancelled { color: var(--bad); }
.tile-body { padding: 12px 14px 14px; }
.tile-body h3 { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: 0 0 2px; }
.tile-body p { margin: 0 0 10px; }
.tile-actions { display: flex; gap: 8px; align-items: center; }
.tile-actions form { margin-left: auto; }
.empty { display: flex; gap: 16px; align-items: center; padding: 28px; color: var(--text); }
.empty:hover { text-decoration: none; border-color: var(--mint); }
.empty-icon { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 14px; background: color-mix(in srgb, var(--mint) 14%, transparent); color: var(--mint); font-size: 22px; }

/* editor */
.editor-page main { max-width: 980px; }
.ed-title { display: flex; align-items: center; gap: 10px; margin: 4px 0 10px; }
.title-input { flex: 1; margin: 0; background: transparent; border-color: transparent; font: 700 20px 'Space Grotesk', sans-serif; padding: 6px 8px; margin-left: -8px; }
.title-input:hover:not(:disabled) { border-color: var(--line); }
.stage { position: relative; background: #000; border-radius: var(--radius); overflow: hidden; aspect-ratio: var(--aspect, 16 / 9); max-height: min(56vh, 560px); margin: 0 auto; display: grid; place-items: center; }
.is-empty .stage { aspect-ratio: 16 / 9; background: var(--bg2); border: 2px dashed var(--line); }
.stage.drop { border-color: var(--mint); }
.stage video { width: 100%; height: 100%; object-fit: contain; display: block; }
.is-empty .stage video { display: none; }
.picker { position: absolute; inset: 0; margin: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; cursor: pointer; color: var(--text); font-size: 15px; text-align: center; padding: 20px; }
.picker input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.picker-icon { width: 60px; height: 60px; display: grid; place-items: center; border-radius: 50%; background: color-mix(in srgb, var(--mint) 15%, transparent); color: var(--mint); font-size: 28px; margin-bottom: 6px; }
.picker:hover .picker-icon { background: color-mix(in srgb, var(--mint) 25%, transparent); }
.stage-badge { position: absolute; top: 10px; right: 10px; font: 700 13px var(--mono); color: #06201a; background: var(--mint); border-radius: 99px; padding: 3px 9px; }
.stage-msg { position: absolute; left: 12px; right: 12px; bottom: 12px; background: #000c; border-radius: 10px; padding: 10px 12px; font-size: 14px; text-align: center; }

.transport { display: flex; align-items: center; gap: 10px; margin: 10px 0 8px; }
.icon-btn { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); color: var(--text); display: grid; place-items: center; cursor: pointer; font-size: 20px; touch-action: manipulation; }
.icon-btn svg { width: 20px; height: 20px; fill: currentColor; }
.icon-btn.small { width: 38px; height: 38px; font-size: 18px; }
.icon-btn[disabled] { opacity: .4; cursor: default; }
.playing #play svg path { d: path('M6 4h4v16H6zM14 4h4v16h-4z'); }
.time { font: 500 14px var(--mono); font-variant-numeric: tabular-nums; }
.toggle { display: flex; align-items: center; gap: 6px; margin: 0; font-size: 13px; color: var(--muted); cursor: pointer; }
.toggle input { width: auto; margin: 0; accent-color: var(--mint); }
.spacer { flex: 1; }
@media (max-width: 520px) { .toggle span { max-width: 4.5em; line-height: 1.15; } }

.tl-wrap { position: relative; overflow-x: auto; overflow-y: hidden; border-radius: 12px; background: var(--bg2); border: 1px solid var(--line); -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain; scrollbar-width: thin; }
.timeline { position: relative; height: 112px; min-width: 100%; touch-action: pan-x; user-select: none; -webkit-user-select: none; }
.ruler { position: absolute; left: 0; right: 0; top: 0; height: 22px; border-bottom: 1px solid var(--line); cursor: ew-resize; }
.ruler span { position: absolute; top: 3px; font: 10px var(--mono); color: var(--muted); padding-left: 4px; border-left: 1px solid var(--line); height: 18px; white-space: nowrap; }
.strip { position: absolute; left: 0; right: 0; top: 30px; height: 54px; }
.tile-t { position: absolute; top: 0; height: 54px; overflow: hidden; opacity: 0; transition: opacity .3s; border-right: 1px solid #0006; }
.tile-t.on { opacity: .75; }
.tile-t canvas { height: 54px; display: block; }
.curve { position: absolute; left: 0; top: 30px; height: 54px; width: 100%; pointer-events: none; }
#curve-line { fill: none; stroke: var(--blue); stroke-width: 2; vector-effect: non-scaling-stroke; }
#curve-fill { fill: color-mix(in srgb, var(--blue) 18%, transparent); }
.sections { position: absolute; left: 0; right: 0; top: 26px; height: 62px; }
.sec { position: absolute; top: 0; height: 62px; border: 2px solid var(--mint); border-radius: 9px; background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--mint) 22%, transparent) var(--ramp), color-mix(in srgb, var(--mint) 22%, transparent) calc(100% - var(--ramp)), transparent); cursor: grab; touch-action: pan-x; }
.sec.fast { border-color: var(--amber); background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--amber) 20%, transparent) var(--ramp), color-mix(in srgb, var(--amber) 20%, transparent) calc(100% - var(--ramp)), transparent); }
.sec.sel { box-shadow: 0 0 0 3px color-mix(in srgb, var(--mint) 35%, transparent); touch-action: none; }
.sec .lbl { position: absolute; left: 50%; bottom: -1px; transform: translateX(-50%); font: 700 11px var(--mono); color: #06201a; background: var(--mint); padding: 1px 6px; border-radius: 6px 6px 0 0; white-space: nowrap; pointer-events: none; }
.sec.fast .lbl { background: var(--amber); }
.sec .h { position: absolute; top: -2px; bottom: -2px; width: 22px; cursor: ew-resize; touch-action: none; display: none; }
.sec .h::after { content: ''; position: absolute; top: 50%; left: 50%; width: 6px; height: 26px; margin: -13px 0 0 -3px; border-radius: 3px; background: var(--mint); box-shadow: 0 0 0 2px var(--bg); }
.sec.fast .h::after { background: var(--amber); }
.sec .h.l { left: -12px; }
.sec .h.r { right: -12px; }
.sec.sel .h { display: block; }
@media (hover: hover) { .sec:hover .h { display: block; } }
.playhead { position: absolute; top: 0; bottom: 0; left: -1px; width: 2px; background: #fff; pointer-events: none; z-index: 3; }
.playhead .knob { position: absolute; top: 0; left: -10px; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: 0 1px 6px #0008; pointer-events: auto; cursor: grab; touch-action: none; }
.playhead .knob::after { content: ''; position: absolute; inset: -10px; }
.hint { margin: 8px 2px 0; }
.add-row { display: flex; align-items: center; gap: 12px; margin: 12px 0; flex-wrap: wrap; }

.inspector { margin: 0 0 12px; }
.insp-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; }
.insp-head .linkbtn { margin-left: auto; }
.field { margin-bottom: 14px; }
.field-label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 0; }
.field.two label { margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { min-width: 52px; min-height: 40px; padding: 6px 10px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg2); color: var(--text); font: 600 14px var(--mono); cursor: pointer; touch-action: manipulation; }
.chip.on { background: var(--mint); color: #06201a; border-color: var(--mint); }
.chip.fast.on { background: var(--amber); border-color: var(--amber); }
input[type=range] { padding: 0; border: 0; background: none; accent-color: var(--mint); height: 32px; }

.settings { margin: 0 0 12px; padding: 12px 16px; }
.settings label { margin: 0; }
.render-bar { display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap; position: sticky; bottom: calc(8px + var(--safe-b)); z-index: 5; padding: 12px 16px; box-shadow: 0 10px 30px #000a; }
.rb-info { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.rb-info b { font: 700 20px var(--mono); }
.rb-audio select { margin-top: 5px; }
.rb-go { display: flex; flex-direction: column; gap: 6px; align-items: stretch; }
.rb-go .btn { white-space: nowrap; }
.upbar { height: 4px; border-radius: 2px; background: var(--line); overflow: hidden; }
.upbar i { display: block; height: 100%; width: 0; background: var(--mint); transition: width .3s; }
.render-bar .alert { flex-basis: 100%; margin: 0; }
.past { margin: 14px 2px; }
.past a { margin-right: 8px; }
.is-empty .transport, .is-empty .tl-wrap, .is-empty .hint, .is-empty .add-row, .is-empty .settings, .is-empty .render-bar, .is-empty .ed-title { display: none; }
@media (max-width: 520px) { .rb-info b { font-size: 18px; } .rb-go .btn { padding: 10px 14px; } }

/* render page */
.job-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 6px 0 14px; }
.job-head h1 { margin: 0; flex: 1; min-width: 0; overflow-wrap: anywhere; }
.result video { width: 100%; max-height: 70vh; border-radius: var(--radius); background: #000; display: block; }
.result-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
.progress { height: 10px; border-radius: 5px; background: var(--line); overflow: hidden; margin: 12px 0 8px; }
.progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--mint), var(--blue)); transition: width .6s; }
.progress.indet i { width: 30%; animation: indet 1.4s infinite ease-in-out; }
@keyframes indet { 0% { margin-left: -30%; } 100% { margin-left: 100%; } }
.status-line { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.events { list-style: none; padding: 0; margin: 14px 0 0; font-size: 14px; }
.events li { padding: 6px 0; border-top: 1px solid var(--line); display: flex; gap: 10px; }
.events time { font: 12px var(--mono); color: var(--muted); flex: none; padding-top: 2px; }
.events .error { color: var(--bad); }
.events .done { color: var(--mint); }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin: 14px 0; }
.facts div { background: var(--bg2); border-radius: 10px; padding: 10px 12px; }
.facts span { display: block; font-size: 12px; color: var(--muted); }
.facts b { font: 600 15px var(--mono); }

/* admin */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }
.scroll-x { overflow-x: auto; }
.admin section { margin: 22px 0; }