/* Personal Gen — mobile-first dark premium UI */

:root {
  --bg: #0b0b12;
  --bg-elevated: #14141e;
  --bg-card: #171722;
  --border: #26263a;
  --text: #f0eff5;
  --text-dim: #9a98ad;
  --accent: #a855f7;
  --accent-2: #ec4899;
  --accent-grad: linear-gradient(135deg, #a855f7, #ec4899);
  --danger: #f87171;
  --ok: #34d399;
  --radius: 16px;
  --tabbar-h: 64px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
}

.hidden { display: none !important; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  padding-top: calc(14px + env(safe-area-inset-top));
  background: rgba(11, 11, 18, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-grad);
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.8);
}

.topbar-status { font-size: 12px; color: var(--text-dim); }

/* ---------- Renderer session bar ---------- */
.renderer-bar {
  position: sticky;
  top: calc(48px + env(safe-area-inset-top));
  z-index: 39;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(17, 17, 26, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.renderer-info { display: flex; align-items: center; gap: 8px; min-width: 0; }

.renderer-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
}

.renderer-dot.ready { background: var(--ok); box-shadow: 0 0 8px rgba(52, 211, 153, 0.8); }
.renderer-dot.starting { background: #fbbf24; box-shadow: 0 0 8px rgba(251, 191, 36, 0.7); animation: renderer-pulse 1.2s ease-in-out infinite; }
.renderer-dot.error { background: var(--danger); }

@keyframes renderer-pulse { 50% { opacity: 0.35; } }

.renderer-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.renderer-actions { display: flex; gap: 6px; flex-shrink: 0; }

.renderer-hint {
  position: sticky;
  top: calc(96px + env(safe-area-inset-top));
  z-index: 38;
  padding: 8px 16px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--text-dim);
  background: rgba(17, 17, 26, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.renderer-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.renderer-btn.primary {
  background: var(--accent-grad);
  border: none;
  color: #fff;
}

.renderer-btn:disabled { opacity: 0.5; }

/* ---------- Layout ---------- */
.content { padding: 18px 16px 24px; max-width: 640px; margin: 0 auto; }

.section-title { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.section-sub { font-size: 13px; color: var(--text-dim); margin-bottom: 16px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}

.empty-state {
  color: var(--text-dim);
  font-size: 14px;
  text-align: center;
  padding: 26px 12px;
  line-height: 1.5;
}

/* ---------- Scene grid ---------- */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.scene-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.scene-card:active { transform: scale(0.97); }

.scene-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.35);
}

.scene-card.unavailable { opacity: 0.42; }

.scene-thumb-wrap {
  position: relative;
  aspect-ratio: 9 / 14;
  background: var(--bg-elevated);
}

.scene-thumb-wrap img,
.scene-thumb-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scene-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  color: var(--text-dim);
}

.scene-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  color: var(--text-dim);
}

.scene-badge.ready { color: var(--ok); }

.scene-card-info { padding: 10px 12px 12px; }
.scene-card-label { font-size: 14px; font-weight: 600; }
.scene-card-sub { font-size: 11px; color: var(--text-dim); margin-top: 2px; }

/* ---------- Selected scene ---------- */
.scene-preview-video {
  width: 100%;
  max-height: 340px;
  border-radius: 12px;
  background: #000;
  display: block;
  object-fit: contain;
}

.selected-scene-meta { margin-top: 10px; }
.selected-scene-label { font-size: 16px; font-weight: 700; }
.selected-scene-sub { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

/* ---------- Form ---------- */
.field-label { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.field-label .optional { color: var(--text-dim); font-weight: 400; font-size: 12px; }
.field-hint { font-size: 12px; color: var(--text-dim); margin-bottom: 10px; }

textarea, select {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 15px;
  padding: 12px;
  font-family: inherit;
  outline: none;
}

textarea:focus, select:focus { border-color: var(--accent); }

select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%2212%22%20height%3D%228%22%3E%3Cpath%20d%3D%22M1%201l5%205%205-5%22%20stroke%3D%22%239a98ad%22%20stroke-width%3D%222%22%20fill%3D%22none%22/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.advanced { margin-top: 12px; }
.advanced summary {
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
}

/* ---------- Upload ---------- */
.upload-row { display: flex; gap: 10px; }

.upload-button {
  flex: 1;
  display: block;
  text-align: center;
  padding: 14px 8px;
  border: 1.5px dashed var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  background: var(--bg-elevated);
  -webkit-tap-highlight-color: transparent;
}

.upload-button:active { border-color: var(--accent); }

.reference-preview { margin-top: 12px; text-align: center; }
.reference-preview img {
  max-width: 100%;
  max-height: 300px;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: block;
  margin: 0 auto 10px;
}

/* ---------- Toggle Switch (Phase 14) ---------- */
.remaker-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--border);
  transition: .4s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px; width: 18px;
  left: 3px; bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

.toggle-label {
  font-size: 14px;
  font-weight: 600;
}

/* ---------- Pills ---------- */
.pill-row { display: flex; gap: 10px; }

.pill {
  flex: 1;
  padding: 12px;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.pill.selected {
  border-color: var(--accent);
  background: rgba(168, 85, 247, 0.14);
}

/* ---------- Buttons ---------- */
.generate-button {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 14px;
  background: var(--accent-grad);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  margin: 6px 0 14px;
  box-shadow: 0 6px 22px rgba(168, 85, 247, 0.35);
  -webkit-tap-highlight-color: transparent;
}

.generate-button:active { transform: scale(0.98); }
.generate-button:disabled { opacity: 0.55; box-shadow: none; }

.ghost-button {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.ghost-button.small { padding: 6px 12px; font-size: 12px; }
.ghost-button:active { border-color: var(--accent); }

/* ---------- Status ---------- */
.status-panel {
  border-radius: 12px;
  padding: 14px;
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.status-panel.info { border-color: rgba(168, 85, 247, 0.5); }
.status-panel.error { border-color: rgba(248, 113, 113, 0.6); color: var(--danger); }
.status-panel.ok { border-color: rgba(52, 211, 153, 0.55); color: var(--ok); }

.job-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.job-row:last-child { border-bottom: none; }

.job-spinner {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

.job-status-text { color: var(--text-dim); }
.job-row.failed .job-status-text { color: var(--danger); }
.job-row.done .job-status-text { color: var(--ok); }

/* ---------- Gallery ---------- */
.gallery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.gallery-header .section-title { margin-bottom: 0; }

.gallery-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }

.gallery-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.gallery-card.highlight { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.35); }

.gallery-card video {
  width: 100%;
  max-height: 420px;
  background: #000;
  display: block;
}

.gallery-card-body { padding: 12px 14px 14px; }

/* Playback speed controls */
.speed-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.speed-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  margin-right: 2px;
}

.speed-pill {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.speed-pill.active {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(168, 85, 247, 0.14);
}

.gallery-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.meta-chip {
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 9px;
}

.meta-chip.badge-premium { color: #fbbf24; border-color: rgba(251, 191, 36, 0.4); }
.meta-chip.badge-good { color: var(--ok); border-color: rgba(52, 211, 153, 0.4); }

.gallery-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.gallery-actions .ghost-button { flex: 1 1 calc(50% - 4px); text-align: center; text-decoration: none; display: inline-block; }

/* ---------- Modal (Phase 13) ---------- */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.modal-body {
  padding: 16px;
  flex: 1;
}

.modal-form-group {
  margin-bottom: 16px;
}

.modal-form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.modal-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.modal-footer .generate-button {
  margin: 0;
}

/* ---------- Tab bar ---------- */
.tabbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(17, 17, 26, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
}

.tab-button {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.tab-button.active { color: var(--text); }
.tab-button .tab-icon { font-size: 20px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  z-index: 60;
  max-width: 86vw;
  text-align: center;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.5);
}

/* ---------- Wider screens ---------- */
@media (min-width: 560px) {
  .scene-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}