/**
 * Estilos principales - Eliminador automático de silencios en vídeo y podcast
 * Fijate Tools
 */

:root,
[data-theme="dark"] {
  color-scheme: dark;
  --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --bg-app: #070b14;
  --bg-card: #111827;
  --bg-surface: #111827;
  --bg-surface-elevated: #1e293b;
  --bg-surface-hover: #283548;
  --bg-input: #0b1220;

  --border-color: rgba(148, 163, 184, 0.16);
  --border-subtle: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.30);

  --text-main: #f8fafc;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --primary: #0ea5e9;
  --primary-hover: #0284c7;
  --primary-light: rgba(14, 165, 233, 0.14);

  --success: #10b981;
  --success-hover: #059669;
  --success-light: rgba(16, 185, 129, 0.14);

  --danger: #f43f5e;
  --danger-light: rgba(244, 63, 94, 0.14);

  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.14);

  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --shadow-card: 0 10px 28px -6px rgba(0, 0, 0, 0.45);
}

[data-theme="light"] {
  color-scheme: light;
  --bg-app: #f1f5f9;
  --bg-card: #ffffff;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f8fafc;
  --bg-surface-hover: #e2e8f0;
  --bg-input: #f8fafc;

  --border-color: #cbd5e1;
  --border-subtle: #e2e8f0;
  --border-strong: #94a3b8;

  --text-main: #0f172a;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #475569;

  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: rgba(2, 132, 199, 0.12);

  --success: #059669;
  --success-hover: #047857;
  --success-light: rgba(5, 150, 105, 0.12);

  --danger: #e11d48;
  --danger-light: rgba(225, 29, 72, 0.12);

  --warning: #d97706;
  --warning-light: rgba(217, 119, 6, 0.14);

  --shadow-card: 0 6px 22px -4px rgba(15, 23, 42, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-main);
  background: radial-gradient(circle at 50% 0%, rgba(14, 165, 233, 0.08) 0%, transparent 55%), var(--bg-app);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.brand-title,
.section-title {
  font-family: var(--font-heading);
}

.mono,
code {
  font-family: var(--font-mono);
}

.tool-layout {
  flex: 1 0 auto;
  margin-top: 1rem;
  margin-bottom: 2.5rem;
}

/* Badges de barra rápida */
.privacy-pill,
.engine-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.36rem 0.78rem;
  border-radius: 999px;
  white-space: nowrap;
}

.privacy-pill {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.28);
}

.engine-pill {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(14, 165, 233, 0.3);
}

/* Botones táctiles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 40px;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: var(--font-main);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-emerald {
  background-color: var(--success);
  color: #ffffff;
  border-color: var(--success);
}

.btn-emerald:hover:not(:disabled) {
  background-color: var(--success-hover);
  border-color: var(--success-hover);
}

.btn-secondary {
  background-color: var(--bg-surface-elevated);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-surface-hover);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--bg-surface-elevated);
  color: var(--text-main);
}

.btn-sm {
  min-height: 40px;
  padding: 0.45rem 0.85rem;
  font-size: 0.84rem;
}

.btn-xs {
  min-height: 36px;
  padding: 0.35rem 0.65rem;
  font-size: 0.78rem;
}

.btn-lg {
  min-height: 46px;
  padding: 0.7rem 1.35rem;
  font-size: 0.94rem;
}

.btn-icon-sm {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-main);
  font-weight: 700;
  cursor: pointer;
}

.btn-icon-sm:hover {
  background: var(--bg-surface-hover);
}

/* Formularios y selects canónicos */
.form-control,
.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 40px;
  padding: 0.48rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.88rem;
}

.form-select {
  padding-right: 40px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px 16px;
  cursor: pointer;
}

[data-theme="light"] .form-select {
  background-color: #ffffff;
  color: #0f172a;
  border-color: #cbd5e1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.form-select option {
  background-color: var(--bg-card);
  color: var(--text-main);
}

[data-theme="light"] .form-select option {
  background-color: #ffffff;
  color: #0f172a;
}

/* Tarjeta principal de estudio */
.studio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Zona de carga / arrastrar */
.media-dropbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-lg);
  border: 1.5px dashed var(--border-strong);
  background: var(--bg-input);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.media-dropbar:hover,
.media-dropbar.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.file-drop-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
  flex: 1 1 auto;
}

.file-drop-icon {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-drop-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.file-drop-meta strong {
  font-size: 0.95rem;
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-drop-meta span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Rejilla de previsualización + KPIs */
.preview-and-kpi-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 1.15rem;
  align-items: stretch;
}

.media-stage-box {
  position: relative;
  background: #020617;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  max-height: 320px;
}

.media-stage-box video {
  width: 100%;
  height: 100%;
  max-height: 320px;
  object-fit: contain;
  display: block;
}

.audio-only-stage {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 2rem 1.25rem;
  text-align: center;
  width: 100%;
  color: #e2e8f0;
  background: radial-gradient(circle at 50% 35%, rgba(14, 165, 233, 0.2), #060b16 70%);
}

.audio-only-icon {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.18);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skip-indicator-pill {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(16, 185, 129, 0.92);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
}

.skip-indicator-pill.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Panel derecho de KPIs y conmutador */
.kpi-side-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.9rem;
}

.kpi-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.kpi-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.kpi-card span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.kpi-card strong {
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-main);
}

.kpi-card.kpi-highlight strong {
  color: var(--success);
}

.kpi-card.kpi-primary strong {
  color: var(--primary);
}

.skip-toggle-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.9rem;
  min-height: 48px;
}

.skip-toggle-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.skip-toggle-info strong {
  font-size: 0.88rem;
  color: var(--text-main);
}

.skip-toggle-info span {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.switch-control {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 48px;
  height: 28px;
  flex-shrink: 0;
  cursor: pointer;
}

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

.switch-slider {
  position: absolute;
  inset: 0;
  background: var(--border-strong);
  border-radius: 999px;
  transition: background-color 0.2s ease;
}

.switch-slider::before {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  top: 3px;
  border-radius: 50%;
  background: #ffffff;
  transition: transform 0.2s ease;
}

.switch-control input:checked + .switch-slider {
  background: var(--success);
}

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

.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.preset-chip {
  min-height: 36px;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.16s ease;
}

.preset-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* Línea de tiempo Canvas */
.waveform-stage {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.waveform-canvas-wrap {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.waveform-canvas {
  display: block;
  width: 100%;
  touch-action: none;
}

.pan-slider-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pan-slider-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.range-slider {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  accent-color: var(--primary);
  cursor: pointer;
}

.transport-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.transport-left,
.transport-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.time-readout-badge {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.42rem 0.7rem;
  border-radius: var(--radius-sm);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}

.zoom-control-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.zoom-control-group .range-slider {
  width: 96px;
  flex: 0 0 auto;
}

.zoom-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  min-width: 36px;
  text-align: center;
  color: var(--text-secondary);
}

/* Controles DSP */
.controls-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.slider-field {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.8rem 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.slider-field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.slider-field-head label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-main);
}

.slider-val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
}

.slider-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Lista de segmentos detectados */
.segments-panel {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.segments-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.segments-panel-head h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--text-main);
}

.segments-filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.seg-filter-btn.active {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.segments-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: 240px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.segment-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.segment-row.is-cut {
  border-left: 3px solid var(--danger);
}

.segment-row.is-keep {
  border-left: 3px solid var(--success);
}

.seg-row-main {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  min-width: 0;
}

.seg-badge {
  font-size: 0.73rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.seg-badge-keep {
  background: var(--success-light);
  color: var(--success);
}

.seg-badge-cut {
  background: var(--danger-light);
  color: var(--danger);
}

.seg-manual-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: var(--warning-light);
  color: var(--warning);
}

.seg-times,
.seg-dur,
.seg-db {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.seg-row-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.segments-empty {
  padding: 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Panel de exportación */
.export-panel {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.export-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.export-tab-btn {
  min-height: 40px;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
}

.export-tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.export-options-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.option-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.option-field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.export-actions-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.nle-buttons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.note-inline {
  font-size: 0.82rem;
  color: var(--warning);
  background: var(--warning-light);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.8rem;
}

/* Modales accesibles */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1200;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  width: 100%;
  max-width: 540px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text-main);
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
}

.modal-body {
  padding: 1.15rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
  padding: 0.9rem 1.25rem;
  border-top: 1px solid var(--border-color);
}

.progress-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.progress-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--success));
  transition: width 0.15s ease;
}

.nle-code-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  max-height: 300px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-main);
  white-space: pre;
  margin: 0;
}

.shortcuts-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.shortcuts-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
}

.shortcuts-list kbd {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-main);
}

/* Toasts */
.toast-container {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 1300;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-strong);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.toast.toast-success {
  border-left-color: var(--success);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Responsivo móvil y tablet */
@media (max-width: 900px) {
  .preview-and-kpi-grid {
    grid-template-columns: 1fr;
  }

  .export-options-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .studio-card {
    padding: 0.9rem;
  }

  .media-dropbar {
    flex-direction: column;
    align-items: stretch;
  }

  .media-dropbar .btn {
    width: 100%;
  }

  .controls-grid,
  .export-options-grid {
    grid-template-columns: 1fr;
  }

  .transport-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .transport-left,
  .transport-right {
    width: 100%;
    justify-content: space-between;
  }

  .segment-row {
    flex-direction: column;
    align-items: stretch;
  }

  .seg-row-actions {
    justify-content: flex-end;
  }

  .export-tab-btn,
  .export-actions-footer .btn {
    width: 100%;
  }
}