/* ==========================================================================
   Compresor y Recortador de Vídeo - Estilos Principales
   Fijate Tools • 100 % Local en Navegador • Sin Marcas de Agua
   ========================================================================== */

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', var(--font-sans);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Tema Oscuro */
  --bg-main: #0a0e1a;
  --bg-card: #121829;
  --bg-card-hover: #1a2238;
  --bg-input: #0c1222;
  --bg-elevated: #1e2842;
  --border-color: #202b48;
  --border-focus: #3b82f6;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.25);

  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);

  --trans-fast: 0.15s ease;
  --trans-normal: 0.25s ease;
}

[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #f8fafc;
  --bg-elevated: #e2e8f0;
  --border-color: #cbd5e1;
  --border-focus: #2563eb;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.15);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
}

/* Reset y Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.app-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-back-tools {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--trans-fast);
}

.btn-back-tools:hover {
  background: var(--bg-elevated);
  color: var(--primary);
  border-color: var(--border-focus);
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-box {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 500;
}

.badge-local {
  background: rgba(59, 130, 246, 0.12);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.25);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-icon {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.btn-icon:hover {
  background: var(--bg-elevated);
  color: var(--text-main);
  border-color: var(--border-focus);
}

/* Layout */
.main-wrapper {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.5rem;
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Zona de Subida */
.dropzone-card {
  background: var(--bg-card);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--trans-normal);
}

.dropzone-card:hover, .dropzone-card.drag-over {
  border-color: var(--primary);
  background: var(--bg-card-hover);
  box-shadow: 0 0 20px var(--primary-glow);
}

/* Espacio de Trabajo */
.video-workspace {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .video-workspace {
    grid-template-columns: 1fr;
  }
}

/* Panel del Reproductor y Timeline */
.player-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.video-preview-box {
  position: relative;
  width: 100%;
  max-height: 460px;
  background: #000000;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-preview-box video {
  max-width: 100%;
  max-height: 460px;
  display: block;
}

/* Timeline y Controles de Recorte */
.timeline-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.timeline-time-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
  background: var(--bg-elevated);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.trim-slider-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.trim-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.trim-input-group input[type="number"] {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  width: 70px;
  text-align: center;
}

/* Panel de Ajustes y Presets (Sidebar) */
.settings-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

/* Cuadrícula de Presets */
.preset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.preset-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.75rem;
  cursor: pointer;
  transition: all var(--trans-fast);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.preset-card:hover {
  border-color: var(--primary);
  background: var(--bg-elevated);
}

.preset-card.active {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.15);
}

.preset-title {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-main);
}

.preset-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Opciones de Audio y Resolución */
.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.custom-select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-family: inherit;
  width: 100%;
  cursor: pointer;
  outline: none;
}

.custom-select:focus {
  border-color: var(--border-focus);
}

/* Botones de Acción */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #ffffff;
  border: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--trans-fast);
  box-shadow: 0 2px 10px var(--primary-glow);
  width: 100%;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-secondary {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: all var(--trans-fast);
}

.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--border-focus);
}

/* Modal de Progreso */
.progress-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: center;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: var(--bg-input);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent-emerald));
  border-radius: 9999px;
  transition: width 0.15s ease;
}

/* Modales y Toasts */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 100;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 110;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--primary);
  color: var(--text-main);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Sección FAQ */
.seo-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 1rem;
}

.seo-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

.faq-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: var(--radius-md);
}

.faq-q {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.faq-a {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}