/* Базовая тёмная тема, градиенты, утилиты */
:root {
  --bg-0: #070712;
  --bg-1: #0f0f22;
  --bg-2: #171735;
  --bg-3: #1f2044;
  --fg-0: #f8fafc;
  --fg-1: #cbd5e1;
  --fg-2: #94a3b8;
  --fg-3: #64748b;
  --accent-a: #8b5cf6;
  --accent-b: #06b6d4;
  --danger: #ef4444;
  --success: #10b981;
  --warn: #f59e0b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg-0);
  color: var(--fg-0);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

body {
  background:
    radial-gradient(circle at 10% 0%, rgba(139, 92, 246, 0.15), transparent 45%),
    radial-gradient(circle at 90% 100%, rgba(6, 182, 212, 0.12), transparent 45%),
    var(--bg-0);
  min-height: 100vh;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  box-shadow: 0 10px 30px -12px rgba(139, 92, 246, 0.6);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 14px 34px -12px rgba(139, 92, 246, 0.8); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--fg-0);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 10px 16px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }

.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.2); }

.card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
}

.input {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--fg-0);
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 15px;
  transition: border-color 0.15s, background 0.15s;
  font-family: inherit;
}
.input:focus {
  outline: none;
  border-color: var(--accent-a);
  background: rgba(0, 0, 0, 0.4);
}
.input::placeholder { color: var(--fg-3); }

textarea.input { resize: vertical; min-height: 96px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(139, 92, 246, 0.15);
  color: #c4b5fd;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.pill-gpt { background: rgba(6, 182, 212, 0.15); color: #67e8f9; border-color: rgba(6, 182, 212, 0.3); }
.pill-gemini { background: rgba(245, 158, 11, 0.15); color: #fcd34d; border-color: rgba(245, 158, 11, 0.3); }

/* Нижний таб-бар (моб) */
.tabbar {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: flex;
  padding: 8px;
  gap: 4px;
  background: rgba(15, 15, 34, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  z-index: 50;
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.6);
}
.tabbar a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 10px 4px;
  border-radius: 14px;
  color: var(--fg-2);
  text-decoration: none;
  font-size: 11px;
  font-weight: 500;
  transition: color 0.15s, background 0.15s;
}
.tabbar a.active {
  color: white;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(6, 182, 212, 0.25));
}
.tabbar a svg { width: 22px; height: 22px; }

/* Верхний хедер (десктоп) */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(7, 7, 18, 0.7);
  z-index: 40;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.topbar nav { display: flex; gap: 6px; }
.topbar nav a {
  padding: 8px 14px;
  border-radius: 10px;
  color: var(--fg-1);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
}
.topbar nav a:hover { background: rgba(255, 255, 255, 0.05); color: white; }
.topbar nav a.active {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(6, 182, 212, 0.25));
  color: white;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.toast {
  position: fixed;
  left: 50%;
  top: 24px;
  transform: translateX(-50%);
  background: rgba(31, 32, 68, 0.95);
  color: white;
  padding: 12px 20px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 100;
  font-size: 14px;
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.6);
  animation: toastIn 0.2s ease;
}
.toast.error { border-color: rgba(239, 68, 68, 0.5); color: #fecaca; }
.toast.success { border-color: rgba(16, 185, 129, 0.5); color: #a7f3d0; }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, -10px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* Адаптив: на мобилке топбар прячем, на десктопе — таббар */
@media (max-width: 767px) {
  .topbar { display: none; }
  .pad-tabbar { padding-bottom: 96px; }
}
@media (min-width: 768px) {
  .tabbar { display: none; }
}

/* Галерея истории */
.grid-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
@media (min-width: 640px) {
  .grid-gallery { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
}

.thumb {
  aspect-ratio: 1;
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-2);
  position: relative;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.15s, border-color 0.15s;
}
.thumb:hover { transform: translateY(-2px); border-color: rgba(139, 92, 246, 0.4); }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 10px;
  opacity: 0;
  transition: opacity 0.15s;
}
.thumb:hover .overlay, .thumb.active .overlay { opacity: 1; }
.thumb .overlay span {
  color: white;
  font-size: 11px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Модалка */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal {
  background: var(--bg-1);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  padding: 20px;
}

.select-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.select-card {
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
  color: var(--fg-0);
  font-family: inherit;
  font-size: 14px;
}
.select-card:hover { border-color: rgba(139, 92, 246, 0.4); }
.select-card.selected {
  border-color: var(--accent-a);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(6, 182, 212, 0.1));
}
.select-card small { display: block; color: var(--fg-2); margin-top: 4px; font-size: 12px; }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.table th { color: var(--fg-2); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.table tr:hover td { background: rgba(255, 255, 255, 0.02); }

/* Переключатель Photo/Video */
.segmented {
  display: inline-flex;
  padding: 4px;
  gap: 4px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  width: 100%;
}
.segmented button {
  flex: 1;
  padding: 10px 14px;
  border-radius: 10px;
  background: transparent;
  color: var(--fg-1);
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
}
.segmented button.active {
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  color: white;
  box-shadow: 0 6px 18px -6px rgba(139, 92, 246, 0.6);
}

/* Кнопки выбора aspect ratio */
.aspect-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}
.aspect-btn {
  padding: 12px 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  color: var(--fg-1);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: border-color 0.15s, background 0.15s;
}
.aspect-btn:hover { border-color: rgba(139, 92, 246, 0.4); }
.aspect-btn.selected {
  border-color: var(--accent-a);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.18), rgba(6, 182, 212, 0.12));
  color: white;
}
.aspect-shape {
  width: 32px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
.aspect-shape.ar-16-9 { height: 18px; }
.aspect-shape.ar-9-16 { height: 32px; width: 18px; }
.aspect-shape.ar-1-1  { height: 26px; width: 26px; }

/* Слайдер длительности */
.slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.slider-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.slider-value {
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.slider-max {
  font-size: 12px;
  color: var(--fg-3);
}
.slider-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--fg-3);
  margin-top: -4px;
}

input[type="range"].range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  cursor: pointer;
}
input[type="range"].range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  border: 3px solid #0f0f22;
  box-shadow: 0 4px 16px -4px rgba(139, 92, 246, 0.6);
  cursor: pointer;
}
input[type="range"].range::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  border: 3px solid #0f0f22;
  box-shadow: 0 4px 16px -4px rgba(139, 92, 246, 0.6);
  cursor: pointer;
}

/* Прогресс-бар видео-поллинга */
.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
  margin-top: 10px;
}
.progress-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent,
    rgba(139, 92, 246, 0.7) 30%,
    rgba(6, 182, 212, 0.7) 60%,
    transparent);
  animation: progressShimmer 2s linear infinite;
  width: 50%;
}
@keyframes progressShimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(300%); } }

/* play-метка на видео-thumb */
.thumb .play-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  gap: 4px;
  backdrop-filter: blur(6px);
}

/* video-контейнер */
.video-wrap video {
  width: 100%;
  max-width: 640px;
  border-radius: 16px;
  display: block;
  margin: 0 auto;
  background: black;
}

/* Чип для фильтров истории */
.filter-chip {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--fg-1);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s;
}
.filter-chip:hover { background: rgba(255, 255, 255, 0.08); }
.filter-chip.active {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(6, 182, 212, 0.15));
  border-color: rgba(139, 92, 246, 0.4);
  color: white;
}

@media (max-width: 520px) {
  .aspect-btn { font-size: 12px; padding: 10px 6px; }
  .select-cards { grid-template-columns: 1fr; }
}