/* ---- Tokens ---- */
:root {
  --bg: #F4EFE3;            /* warm paper */
  --bg-2: #EDE6D4;
  --ink: #1A2A24;           /* deep forest ink */
  --ink-2: #3A4A42;
  --ink-muted: #6B776F;
  --ink-faint: #A6AFA5;
  --border: #D8CFB7;
  --border-2: #C8BE9F;
  --surface: #FBF7EC;
  --accent: #C95A2B;        /* terracotta — compass needle */
  --accent-deep: #A6451F;
  --accent-soft: #E6B891;
  --moss: #4E6B4A;
  --shadow: 0 2px 12px rgba(26,42,36,.06), 0 24px 60px -24px rgba(26,42,36,.18);
  --radius: 14px;
  --radius-sm: 8px;
  --font-sans: "Satoshi", -apple-system, "Segoe UI", Inter, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
  line-height: 1.55;
  min-height: 100vh;
  position: relative;
}

/* Topographic background — subtle contour lines */
.grid-bg {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .55;
  background-image:
    radial-gradient(ellipse 60% 40% at 18% 22%, transparent 38%, rgba(78,107,74,.05) 39%, transparent 41%),
    radial-gradient(ellipse 60% 40% at 18% 22%, transparent 48%, rgba(78,107,74,.05) 49%, transparent 51%),
    radial-gradient(ellipse 60% 40% at 18% 22%, transparent 58%, rgba(78,107,74,.04) 59%, transparent 61%),
    radial-gradient(ellipse 50% 38% at 82% 78%, transparent 38%, rgba(78,107,74,.05) 39%, transparent 41%),
    radial-gradient(ellipse 50% 38% at 82% 78%, transparent 48%, rgba(78,107,74,.05) 49%, transparent 51%),
    radial-gradient(ellipse 50% 38% at 82% 78%, transparent 58%, rgba(78,107,74,.04) 59%, transparent 61%),
    linear-gradient(180deg, rgba(244,239,227,.0), rgba(237,230,212,.4));
}

.container, .site-header, .site-footer {
  position: relative;
  z-index: 1;
}

/* ---- Header ---- */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 14px; color: var(--ink); }
.logo { width: 40px; height: 40px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: -0.01em; line-height: 1.2; max-width: min(520px, 52vw); }
.brand-tag { font-size: 12px; color: var(--ink-muted); margin-top: 2px; letter-spacing: 0.02em; text-transform: uppercase; }
.header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.lang-switcher {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--border-2);
  border-radius: 999px;
  background: var(--surface);
}
.lang-switcher a {
  min-width: 34px;
  padding: 5px 8px;
  border-radius: 999px;
  color: var(--ink-muted);
  font: 700 11px var(--font-mono);
  letter-spacing: 0.04em;
  text-align: center;
  text-decoration: none;
}
.lang-switcher a.is-active {
  background: var(--ink);
  color: #F5EFE0;
}
.meta-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
  border: 1px solid var(--border-2);
  border-radius: 999px;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  background: var(--surface);
}

/* ---- Layout ---- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 80px) clamp(20px, 4vw, 56px) 60px;
}

.intro { max-width: 720px; margin-bottom: 56px; }
.intro h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
}
.lede { font-size: 17px; color: var(--ink-2); margin: 0; max-width: 60ch; }

/* ---- Workbench ---- */
.workbench { margin-bottom: 0; }

.drop-zone {
  border: 1.5px dashed var(--border-2);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
  color: var(--ink-2);
}
.drop-zone:hover, .drop-zone:focus-visible {
  border-color: var(--accent);
  background: #FCF8EE;
  outline: none;
}
.drop-zone.is-drag {
  border-color: var(--accent);
  background: #FAF1E0;
  border-style: solid;
}
.drop-inner { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.drop-icon { width: 44px; height: 44px; color: var(--moss); margin-bottom: 8px; }
.drop-title { font-size: 20px; font-weight: 600; margin: 0; color: var(--ink); letter-spacing: -0.01em; }
.drop-sub { margin: 0; font-size: 15px; color: var(--ink-muted); }
.drop-hint {
  margin: 12px 0 0; font-size: 12px; color: var(--ink-faint);
  font-family: var(--font-mono); letter-spacing: 0.04em;
}
.link-btn {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--accent); font: inherit; text-decoration: underline; text-underline-offset: 3px;
}
.link-btn:hover { color: var(--accent-deep); }
.sample-line { margin-top: 8px; }
.sample-btn {
  border: 1px solid var(--border-2);
  border-radius: 999px;
  background: rgba(255,255,255,.55);
  color: var(--ink-2);
  cursor: pointer;
  font: 500 13px var(--font-sans);
  padding: 8px 12px;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.sample-btn:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
  background: white;
}
.sample-btn:disabled {
  cursor: wait;
  opacity: .65;
}

/* hidden attr override for flex/grid containers */
[hidden] { display: none !important; }

/* ---- Error ---- */
.error {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: #FBEAE2;
  border: 1px solid #E6B6A0;
  color: #7A2B12;
  font-size: 14.5px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.error::before {
  content: "!";
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: #C95A2B; color: white; font-weight: 700; font-size: 13px;
  flex-shrink: 0; margin-top: 1px;
}

/* ---- Results ---- */
.results {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}
@media (max-width: 960px) {
  .results { grid-template-columns: 1fr; }
}

.preview-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  min-width: 0;
}
.preview-frame {
  width: min(100%, calc(min(70vh, 720px) * 1080 / 1920));
  max-height: min(70vh, 720px);
  aspect-ratio: 1080 / 1920;
  margin-inline: auto;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.preview-frame canvas {
  width: 100%; height: 100%;
  display: block;
}

.primary-btn {
  background: var(--ink);
  color: #F5EFE0;
  border: none;
  padding: 14px 22px;
  border-radius: 10px;
  font: 500 15px var(--font-sans);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background .15s ease, transform .15s ease;
  letter-spacing: 0.005em;
}
.primary-btn:hover { background: #0F1F1A; }
.primary-btn:active { transform: translateY(1px); }
.primary-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}
.primary-btn:disabled:hover { background: var(--ink); }

.ghost-btn {
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--border-2);
  padding: 10px 16px;
  border-radius: 10px;
  font: 500 14px var(--font-sans);
  cursor: pointer;
  margin-top: 22px;
  width: 100%;
  transition: border-color .15s ease, color .15s ease;
}
.ghost-btn:hover { border-color: var(--ink-2); color: var(--ink); }
.settings-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}
.settings-actions .ghost-btn {
  width: 100%;
}

.ghost-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ---- Stats Panel ---- */
.stats-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  min-width: 0;
}
.panel-title {
  margin: 0 0 18px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  font-weight: 600;
}
.stats { margin: 0; display: flex; flex-direction: column; gap: 14px; }
.stat {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.stat:last-of-type { border-bottom: none; padding-bottom: 0; }
.stat dt { font-size: 14px; color: var(--ink-muted); margin: 0; }
.stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
  text-align: right;
  letter-spacing: -0.005em;
}

.controls { margin-top: 24px; display: flex; flex-direction: column; gap: 16px; }
.ctl { display: flex; flex-direction: column; gap: 8px; }
.ctl-label { font-size: 13px; color: var(--ink-muted); }
.ctl input[type="text"],
.ctl input[type="number"],
.ctl select,
.waypoint-row input,
.waypoint-row textarea,
.ai-brief textarea {
  font: 14px var(--font-sans);
  padding: 10px 12px;
  border: 1px solid var(--border-2);
  border-radius: 8px;
  background: white;
  color: var(--ink);
  outline: none;
  transition: border-color .15s ease;
}
.ctl input[type="text"]:focus,
.ctl input[type="number"]:focus,
.ctl select:focus,
.waypoint-row input:focus,
.waypoint-row textarea:focus,
.ai-brief textarea:focus { border-color: var(--accent); }

.ctl select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%),
    linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

.ctl input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

#labelSizeOutput {
  font-family: var(--font-mono);
  color: var(--ink);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.waypoints-editor {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  background: rgba(255,255,255,.38);
}
.waypoints-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}
.waypoints-head p {
  margin: 3px 0 0;
  color: var(--ink-faint);
  font-size: 12px;
}
.mini-btn,
.remove-waypoint {
  border: 1px solid var(--border-2);
  background: white;
  color: var(--ink-2);
  border-radius: 8px;
  cursor: pointer;
  font: 500 12px var(--font-sans);
  padding: 7px 9px;
  white-space: nowrap;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.mini-btn:hover,
.remove-waypoint:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}
.waypoint-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}
.waypoint-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.waypoint-row input,
.waypoint-row textarea { width: 100%; }
.waypoint-row textarea {
  min-height: 42px;
  max-height: 120px;
  resize: vertical;
  line-height: 1.25;
}
.waypoint-controls {
  display: grid;
  grid-template-columns: minmax(86px, 1fr) minmax(58px, .65fr) minmax(58px, .65fr) 38px;
  gap: 8px;
  align-items: stretch;
}
.waypoint-row input[type="text"] { font-family: var(--font-mono); }
.waypoint-row .waypoint-name { font-family: var(--font-sans); }
.remove-waypoint {
  width: 38px;
  min-height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
}
.trash-icon {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ai-brief textarea {
  min-height: 150px;
  resize: vertical;
  font: 12px/1.45 var(--font-mono);
  color: var(--ink-2);
  background: rgba(255,255,255,.55);
}
@media (max-width: 480px) {
  .field-grid { grid-template-columns: 1fr; }
  .waypoint-controls {
    grid-template-columns: minmax(80px, 1fr) minmax(54px, .7fr) minmax(54px, .7fr) 38px;
  }
}

.seg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  background: white;
  border: 1px solid var(--border-2);
  border-radius: 8px;
  padding: 3px;
}
.seg-btn {
  background: transparent;
  border: none;
  padding: 7px 10px;
  font: 500 13px var(--font-sans);
  color: var(--ink-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.seg-btn.is-active { background: var(--ink); color: #F5EFE0; }

/* ---- Workflow steps (главная страница) ---- */
.workflow-step {
  margin-bottom: clamp(48px, 8vw, 72px);
}
.workflow-step:last-of-type {
  margin-bottom: 0;
}
.workflow-step[open] > .workflow-step-head {
  margin-bottom: 28px;
}
.workflow-step-badge {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--ink);
  color: #f5efe0;
  font-weight: 700;
  font-size: 17px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.workflow-step-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.15;
}
.workflow-step-text {
  margin: 0;
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 62ch;
}
.workflow-step .workbench {
  margin-bottom: 0;
}
.workflow-step--static .workflow-step-head {
  margin-bottom: 0;
}

.step2-alternatives {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 28px);
  align-items: stretch;
  margin-top: 8px;
}
@media (max-width: 900px) {
  .step2-alternatives {
    grid-template-columns: 1fr;
  }
}

.step2-alt-column {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 0;
}
.step2-alt-kicker {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
}
.step2-alt-heading {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.15;
}
.step2-alt-desc {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.5;
  max-width: 48ch;
}
.step2-alt-column .ai-brief {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.step2-alt-column .ai-brief textarea {
  flex: 1;
  min-height: 200px;
}
.step2-alt-btn {
  width: 100%;
  margin-top: auto;
}

.step2-preview-shell {
  position: relative;
  /* Строго 9:16: при ограничении по высоте ширина ужимается, иначе object-fit: cover
     на фоне и растянутый canvas расходятся по кадру. */
  aspect-ratio: 1080 / 1920;
  width: min(100%, calc(min(65vh, 580px) * 1080 / 1920));
  max-height: min(65vh, 580px);
  margin-inline: auto;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-2);
  background: #1a1f1c;
  box-shadow: var(--shadow);
}
.step2-preview-shell__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  z-index: 0;
}
.step2-preview-shell__track {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  z-index: 1;
}
.step2-preview-placeholder {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.45;
  background: rgba(251, 247, 236, 0.82);
}
.step2-preview-placeholder[hidden] {
  display: none !important;
}
.step2-preview-shell__track[hidden] {
  display: none !important;
}

.workflow-step-badge--sub {
  font-size: 14px;
  letter-spacing: 0;
}

.step2-panel,
.step3-panel,
.final-video-panel {
  margin-top: 8px;
  padding: 26px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.step2-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: clamp(20px, 3vw, 28px);
  align-items: start;
}
.final-video-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  gap: clamp(20px, 3vw, 28px);
  align-items: start;
}
.step3-panel {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.5vw, 22px);
  align-items: stretch;
}
@media (max-width: 900px) {
  .step2-panel,
  .final-video-panel {
    grid-template-columns: 1fr;
  }
}
.step3-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}
.step3-controls .ctl {
  margin: 0;
}
.step3-panel-btn {
  width: 100%;
  margin-top: 4px;
}
.step3-preview-shell,
.step2-anim-preview-shell {
  margin-inline: auto;
}
.step2-controls {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}
.step2-controls .ctl {
  margin: 0;
}
.step2-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.step2-actions .primary-btn,
.step2-actions .ghost-btn {
  flex: 1 1 100%;
  min-width: 140px;
}

.final-video-preview-shell {
  position: relative;
  aspect-ratio: 1080 / 1920;
  width: min(100%, calc(min(65vh, 580px) * 1080 / 1920));
  max-height: min(65vh, 580px);
  margin-inline: auto;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-2);
  background: #1a1f1c;
  box-shadow: var(--shadow);
}
.final-video-preview-shell video,
.final-video-preview-shell canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.final-video-preview-shell video {
  object-fit: cover;
  z-index: 0;
}
.final-video-preview-shell canvas {
  pointer-events: none;
  z-index: 1;
}
.final-video-preview-shell video[hidden],
.final-video-preview-shell canvas[hidden] {
  display: none !important;
}
.final-video-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}
.final-overlay-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.final-video-meta,
.final-video-status {
  margin: 0;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.45;
}
.final-video-result {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.render-video-link,
.render-video-download-link {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border-2);
  padding: 0 14px;
  color: var(--ink);
  background: white;
  text-decoration: none;
  font-weight: 600;
}
.render-video-link {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.step3-block {
  width: 100%;
  margin-top: 8px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.step3-block__head {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 22px;
}
.step3-block__head .workflow-step-title {
  margin: 0;
  flex: 1;
  min-width: 0;
}
.step3-block__text {
  margin: 0 0 16px;
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: none;
}
.step3-block__text:last-of-type {
  margin-bottom: 22px;
}
.instagram-cta--header {
  padding: 6px 12px;
  font-size: 14px;
  gap: 8px;
}
.instagram-cta--header .instagram-cta__icon {
  width: 18px;
  height: 18px;
}

.instagram-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid var(--border-2);
  background: white;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.instagram-cta:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
  background: #fcf8ee;
}
.instagram-cta__icon {
  flex-shrink: 0;
  color: var(--accent-deep);
}
.instagram-cta__handle {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---- Footer ---- */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--ink-muted);
}
@media (max-width: 600px) {
  .site-footer { flex-direction: column; gap: 6px; }
  .header-meta .meta-chip { display: none; }
  .brand-name { max-width: none; font-size: 14px; }
}