:root {
  --bg: #090b10;
  --panel: rgba(18, 21, 29, .86);
  --panel-strong: #12151d;
  --line: rgba(255,255,255,.09);
  --line-strong: rgba(255,255,255,.16);
  --text: #f7f8fb;
  --muted: #9298a7;
  --muted-2: #656b79;
  --accent: #b8ff36;
  --accent-2: #8ee80b;
  --danger: #ff6f7d;
  --radius: 24px;
  --shadow: 0 28px 80px rgba(0,0,0,.34);
}
* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 8%, rgba(140, 255, 24, .08), transparent 27%),
    radial-gradient(circle at 86% 30%, rgba(117, 85, 255, .10), transparent 32%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
.hidden { display: none !important; }
.ambient { position: fixed; border-radius: 999px; filter: blur(80px); pointer-events: none; opacity: .18; z-index: -1; }
.ambient-a { width: 260px; height: 260px; background: var(--accent); left: -100px; top: 30%; }
.ambient-b { width: 320px; height: 320px; background: #7457ff; right: -150px; top: 18%; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 24px 0 48px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 62px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); text-decoration: none; }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--accent); color: #10130b; font-weight: 900; font-size: 20px; transform: rotate(-4deg); }
.brand-copy { display: flex; align-items: baseline; gap: 7px; letter-spacing: -.02em; }
.brand-copy strong { font-size: 17px; letter-spacing: .04em; }
.brand-copy span { color: var(--muted); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.privacy-pill { display: inline-flex; align-items: center; gap: 9px; padding: 10px 14px; border: 1px solid var(--line); background: rgba(255,255,255,.03); border-radius: 999px; color: #c4c8d1; font-size: 13px; }
.privacy-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px rgba(184,255,54,.08); }
.hero { max-width: 900px; margin: 0 auto 42px; text-align: center; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 800; margin-bottom: 15px; }
.hero h1 { margin: 0; font-size: clamp(42px, 6vw, 78px); line-height: .98; letter-spacing: -.065em; font-weight: 760; }
.hero h1 span { color: #9aa0ae; }
.hero p { max-width: 710px; margin: 22px auto 0; color: var(--muted); font-size: 17px; line-height: 1.6; }
.card { border: 1px solid var(--line); background: linear-gradient(180deg, rgba(20,23,31,.92), rgba(13,16,22,.94)); box-shadow: var(--shadow); border-radius: var(--radius); }
.workspace { overflow: hidden; }
.dropzone { min-height: 410px; display: grid; place-items: center; align-content: center; padding: 52px 24px; text-align: center; outline: none; position: relative; transition: .2s ease; }
.dropzone::after { content: ""; position: absolute; inset: 16px; border: 1px dashed rgba(255,255,255,.13); border-radius: 17px; pointer-events: none; transition: .2s ease; }
.dropzone:hover::after, .dropzone.dragover::after { border-color: rgba(184,255,54,.64); background: rgba(184,255,54,.025); }
.dropzone.dragover { transform: scale(.997); }
.drop-icon { width: 76px; height: 76px; display: grid; place-items: center; border: 1px solid var(--line-strong); background: rgba(255,255,255,.04); border-radius: 22px; color: var(--accent); margin-bottom: 22px; }
.drop-icon svg { width: 34px; height: 34px; }
.drop-title { font-size: 25px; font-weight: 730; letter-spacing: -.03em; }
.drop-sub { color: var(--muted); margin: 8px 0 22px; }
.button { min-height: 48px; border-radius: 14px; border: 1px solid transparent; padding: 0 20px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; text-decoration: none; font-weight: 760; cursor: pointer; transition: .18s ease; }
.button:disabled { opacity: .55; cursor: not-allowed; }
.button.ghost { background: rgba(255,255,255,.045); border-color: var(--line); }
.button.ghost:hover { background: rgba(255,255,255,.075); border-color: var(--line-strong); }
.button.primary { background: var(--accent); color: #0d1107; box-shadow: 0 12px 32px rgba(184,255,54,.12); }
.button.primary:hover { background: #c3ff50; transform: translateY(-1px); }
.editor { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr); }
.preview-panel { padding: 24px; border-right: 1px solid var(--line); background: rgba(0,0,0,.14); }
.video-wrap { position: sticky; top: 20px; overflow: hidden; border-radius: 18px; background: #050609; aspect-ratio: 16/10; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.06); }
.video-wrap video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.video-badge { position: absolute; top: 13px; right: 13px; padding: 7px 10px; border-radius: 9px; background: rgba(0,0,0,.72); backdrop-filter: blur(10px); color: #fff; font-size: 12px; font-variant-numeric: tabular-nums; }
.file-summary { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 15px; padding: 13px 2px; }
.file-main { display: flex; align-items: center; min-width: 0; gap: 11px; }
.file-icon { width: 34px; height: 34px; flex: 0 0 auto; border-radius: 10px; background: rgba(184,255,54,.09); color: var(--accent); display: grid; place-items: center; font-size: 12px; }
.file-text { min-width: 0; display: grid; gap: 4px; }
.file-text strong { max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.file-text span { color: var(--muted); font-size: 12px; }
.icon-button { width: 38px; height: 38px; border-radius: 11px; border: 1px solid var(--line); background: rgba(255,255,255,.03); cursor: pointer; color: #cfd3dc; }
.settings-panel { padding: 30px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.section-heading > div:first-child { display: flex; align-items: center; gap: 10px; }
.section-heading h2 { font-size: 19px; letter-spacing: -.025em; margin: 0; }
.section-heading.spaced { margin-top: 28px; }
.step { color: var(--accent); font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.duration-chip { padding: 7px 10px; border-radius: 999px; border: 1px solid var(--line); color: #d9dce3; font-size: 12px; font-variant-numeric: tabular-nums; }
.timeline-card { border: 1px solid var(--line); border-radius: 17px; padding: 17px; background: rgba(255,255,255,.025); }
.timeline-values { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.timeline-values label { display: grid; gap: 7px; }
.timeline-values span, .field > span, .quality-head > span:first-child { color: var(--muted); font-size: 12px; font-weight: 670; }
.timeline-values input { width: 100%; border-radius: 11px; border: 1px solid var(--line); background: rgba(0,0,0,.2); color: var(--text); padding: 10px 12px; outline: none; font-variant-numeric: tabular-nums; }
.timeline-values input:focus, select:focus { border-color: rgba(184,255,54,.54); box-shadow: 0 0 0 3px rgba(184,255,54,.06); }
.range-wrap { height: 36px; position: relative; margin: 20px 8px 10px; }
.range-track, .range-selected { position: absolute; height: 6px; top: 15px; left: 0; right: 0; border-radius: 999px; }
.range-track { background: rgba(255,255,255,.10); }
.range-selected { background: var(--accent); right: auto; }
.range { -webkit-appearance: none; appearance: none; position: absolute; inset: 0; width: 100%; height: 36px; margin: 0; background: transparent; pointer-events: none; outline: none; }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 4px solid #10130b; box-shadow: 0 0 0 2px var(--accent); pointer-events: auto; cursor: grab; }
.range::-moz-range-thumb { width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 4px solid #10130b; box-shadow: 0 0 0 2px var(--accent); pointer-events: auto; cursor: grab; }
.timeline-actions { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.mini-button { min-height: 36px; padding: 0 8px; border-radius: 10px; border: 1px solid var(--line); background: rgba(255,255,255,.03); color: #c5c9d2; font-size: 11px; cursor: pointer; }
.mini-button:hover { border-color: var(--line-strong); color: #fff; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: grid; gap: 7px; }
select { width: 100%; min-height: 45px; border-radius: 12px; border: 1px solid var(--line); background: #0f1219; color: var(--text); padding: 0 12px; outline: none; }
.quality-block { margin-top: 18px; }
.quality-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.quality-hint { color: var(--muted-2); font-size: 11px; }
.quality-options { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.quality { text-align: left; min-height: 66px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.025); padding: 11px 12px; cursor: pointer; display: grid; gap: 4px; }
.quality strong { font-size: 13px; }
.quality span { color: var(--muted); font-size: 11px; }
.quality:hover { border-color: var(--line-strong); }
.quality.active { border-color: rgba(184,255,54,.56); background: rgba(184,255,54,.07); }
.quality.active strong { color: var(--accent); }
.quality:disabled { opacity: .4; cursor: not-allowed; }
.result-estimate { margin-top: 18px; border-radius: 14px; background: rgba(184,255,54,.055); border: 1px solid rgba(184,255,54,.15); padding: 13px 14px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.result-estimate > div:first-child { display: grid; gap: 4px; }
.result-estimate span { color: #9da390; font-size: 11px; }
.result-estimate strong { color: var(--accent); font-size: 16px; }
.estimate-note { color: var(--muted); font-size: 11px; text-align: right; }
.process-button { width: 100%; margin-top: 16px; min-height: 54px; }
.button-icon { font-size: 17px; }
.processing { margin-top: 20px; padding: 24px; display: grid; grid-template-columns: auto 1fr; align-items: start; gap: 18px; }
.processing-icon { width: 48px; height: 48px; border-radius: 15px; border: 1px solid rgba(184,255,54,.2); background: rgba(184,255,54,.07); display: grid; place-items: center; }
.processing-icon span { width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(184,255,54,.25); border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.processing-copy { min-width: 0; }
.processing-title-row { display: flex; align-items: end; justify-content: space-between; gap: 18px; }
.status-label { color: var(--accent); text-transform: uppercase; font-size: 10px; letter-spacing: .14em; font-weight: 850; }
.processing h2 { margin: 4px 0 0; font-size: 18px; }
.progress-number { font-size: 23px; font-variant-numeric: tabular-nums; }
.progress-bar { position: relative; height: 14px; overflow: hidden; background: rgba(255,255,255,.08); border-radius: 999px; margin-top: 16px; border: 1px solid rgba(255,255,255,.05); }
.progress-fill { position: absolute; inset: 0 auto 0 0; width: 0%; background: linear-gradient(90deg, var(--accent-2), var(--accent)); transition: width .16s linear; }
.progress-meta { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 9px; color: var(--muted); font-size: 12px; }
.progress-meta strong { color: #d7dbe4; font-variant-numeric: tabular-nums; }
.processing-note { margin: 10px 0 0; color: var(--muted-2); font-size: 11px; line-height: 1.5; }
.done { margin-top: 20px; padding: 28px; display: grid; grid-template-columns: auto 1fr; gap: 20px; }
.done-mark { width: 58px; height: 58px; border-radius: 18px; display: grid; place-items: center; background: var(--accent); color: #0d1107; font-size: 28px; font-weight: 900; }
.eyebrow.success { margin: 0 0 6px; }
.done h2 { margin: 0; font-size: 27px; letter-spacing: -.035em; }
.done-stats { margin-top: 18px; display: flex; align-items: center; gap: 17px; flex-wrap: wrap; }
.done-stats > div:not(.arrow) { display: grid; gap: 4px; }
.done-stats span { color: var(--muted); font-size: 11px; }
.done-stats strong { font-size: 16px; }
.done-stats .arrow { color: var(--muted-2); }
.done-stats .saving { padding-left: 17px; border-left: 1px solid var(--line); }
.done-stats .saving strong { color: var(--accent); }
.done-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 54px 0; }
.features article { padding: 22px; border-top: 1px solid var(--line); }
.feature-num { color: var(--accent); font-size: 10px; letter-spacing: .12em; font-weight: 900; }
.features h3 { margin: 15px 0 8px; font-size: 17px; }
.features p { color: var(--muted); line-height: 1.55; font-size: 13px; margin: 0; }
footer { border-top: 1px solid var(--line); padding-top: 22px; display: flex; align-items: center; justify-content: space-between; gap: 18px; color: var(--muted-2); font-size: 11px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); padding: 11px 15px; max-width: min(460px, calc(100% - 32px)); border-radius: 12px; background: #1b1e26; border: 1px solid var(--line-strong); color: #f3f4f7; box-shadow: 0 16px 46px rgba(0,0,0,.4); font-size: 13px; opacity: 0; pointer-events: none; transition: .2s ease; z-index: 30; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { border-color: rgba(255,111,125,.36); }
@media (max-width: 900px) {
  .editor { grid-template-columns: 1fr; }
  .preview-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .video-wrap { position: relative; top: 0; aspect-ratio: 16/9; }
}
@media (max-width: 650px) {
  .shell { width: min(100% - 22px, 1180px); padding-top: 14px; }
  .topbar { margin-bottom: 42px; }
  .privacy-pill { font-size: 0; padding: 10px; }
  .privacy-pill::after { content: "Локально"; font-size: 11px; }
  .hero { margin-bottom: 28px; }
  .hero h1 { font-size: clamp(39px, 12vw, 62px); }
  .hero p { font-size: 15px; }
  .dropzone { min-height: 330px; }
  .preview-panel, .settings-panel { padding: 16px; }
  .settings-grid { grid-template-columns: 1fr; }
  .timeline-actions { grid-template-columns: 1fr; }
  .quality-options { grid-template-columns: 1fr; }
  .result-estimate { align-items: flex-start; flex-direction: column; }
  .estimate-note { text-align: left; }
  .processing, .done { grid-template-columns: 1fr; padding: 19px; }
  .processing-icon { display: none; }
  .features { grid-template-columns: 1fr; margin: 36px 0; }
  footer { flex-direction: column; align-items: flex-start; }
}
/* v1.1: more informative processing state */
.progress-meta { flex-wrap: wrap; }
@media (max-width: 650px) {
  .progress-meta { align-items: flex-start; }
  #speedWrap { display: none; }
}