/* --- ESTILOS COMUNES PARA TODOS LOS CONVERSORES --- */
.converter-wrapper {
    max-width: 600px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 1.5rem;
    transition: color 0.2s;
}

.back-link:hover { color: var(--primary); }

.converter-card {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    border: 1px solid #e2e8f0;
}

.converter-header { text-align: center; margin-bottom: 2rem; }
.converter-header h2 { font-size: 2rem; margin-bottom: 0.5rem; color: var(--text-main); }
.converter-header p { color: var(--text-muted); }

.form-group { margin-bottom: 1.5rem; }
label { display: block; font-weight: 600; margin-bottom: 0.5rem; color: var(--text-main); }

input[type="file"], input[type="url"], select {
    width: 100%;
    padding: 0.8rem;
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
    background-color: var(--bg-color);
    font-size: 1rem;
    color: var(--text-main);
    cursor: pointer;
    transition: border-color 0.2s;
}

input[type="url"] {
    border-style: solid;
    cursor: text;
}

input[type="file"]:hover, input[type="url"]:focus, select:hover {
    border-color: var(--primary);
    outline: none;
}
select { border-style: solid; appearance: auto; }

.btn-submit {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.btn-submit:hover { background-color: var(--primary-hover); }
.btn-submit:active { transform: scale(0.98); }

/* Cajas de estado */
.status-box {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.status-loading { background-color: #e0f2fe; color: #0369a1; display: block; }
.status-success { background-color: #dcfce7; color: #15803d; display: block; }
.status-error { background-color: #fee2e2; color: #b91c1c; display: block; }

/* --- ESTILOS PARA EL EDITOR DE AUDIO PROFESIONAL --- */
.audio-editor-card {
    background: #1e293b;
    border-radius: 12px;
    padding: 20px;
    margin: 1.5rem 0;
    border: 1px solid #334155;
    position: relative;
}

#waveform {
    width: 100%;
    height: 128px;
    cursor: crosshair;
}

.audio-info-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8fafc;
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    gap: 15px;
}

.audio-info-bar span:first-child {
    display: block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    flex: 1;
}

.audio-info-bar span:last-child {
    white-space: nowrap;
    flex-shrink: 0;
}

.audio-info-bar span b { color: var(--primary); }

.region-time-display {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 12px;
    background: #f0fdfa;
    border: 1px solid #99f6e4;
    border-radius: 8px;
    margin-top: 1rem;
    font-family: monospace;
    font-weight: 800;
    color: #115e59;
}

.audio-controls {
    display: flex;
    gap: 8px;
    margin-top: 1rem;
}

#waveform ::part(region) {
    border-left: 3px solid #0d9488 !important;
    border-right: 3px solid #0d9488 !important;
}

#waveform ::part(region-handle-left),
#waveform ::part(region-handle-right) {
    width: 12px !important;
    background-color: rgba(15, 23, 42, 0.4) !important;
    border-radius: 2px;
    cursor: ew-resize !important;
    display: flex;
    justify-content: center;
    align-items: center;
}

#waveform ::part(region-handle-left)::after,
#waveform ::part(region-handle-right)::after {
    content: "";
    display: block;
    width: 2px;
    height: 20px;
    background-color: white;
    border-radius: 1px;
}

.audio-playback-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.transport-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: white;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    transition: all 0.2s ease;
    font-size: 1.2rem;
}

.transport-btn:hover {
    transform: scale(1.1);
    background: #f1f5f9;
}

.transport-btn.play-active {
    background: var(--primary);
    color: white;
}

.transport-btn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.coffee-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #FFDD00;
    color: #000000;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid #eab308;
}

.coffee-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px -1px rgba(0,0,0,0.15);
}

.coffee-btn svg {
    width: 20px;
    height: 20px;
}

/* ============================================================
   ESTILOS PREMIUM PARA EL EDITOR DE VIDEO MEJORADO
   ============================================================ */

/* Animaciones */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Header mejorado */
.video-editor-enhanced .converter-header {
    position: relative;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f0fdfa 100%);
    border-radius: 12px;
    margin-bottom: 2rem;
}

.header-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

/* Sección de carga mejorada */
.upload-section {
    margin-bottom: 2rem;
    position: relative;
}

.upload-label {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    border: 3px dashed #cbd5e1;
    border-radius: 12px;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-label:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, #f0fdfa 0%, #ffffff 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px -4px rgba(13, 148, 136, 0.2);
}

.upload-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.upload-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.upload-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-main);
}

.upload-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
}

#file {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
}

/* Contenedor del editor */
.editor-container {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
}

/* Reproductor de video */
.video-player-wrapper {
    position: relative;
    margin-bottom: 2rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.2);
}

.video-controls-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    padding: 1.5rem;
    margin-top: -80px;
    position: relative;
    z-index: 10;
}

.playback-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.control-btn {
    background: rgba(255,255,255,0.95);
    border: none;
    border-radius: 8px;
    padding: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.control-btn:hover {
    background: white;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.control-btn svg {
    width: 20px;
    height: 20px;
    fill: var(--primary);
}

.play-btn {
    width: 48px;
    height: 48px;
}

.play-btn.playing {
    background: var(--primary);
}

.play-btn.playing svg {
    fill: white;
}

.preview-btn {
    background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
}

.preview-btn svg {
    fill: white;
}

.preview-btn:hover {
    background: linear-gradient(135deg, #0f766e 0%, #115e59 100%);
}

.time-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    color: white;
    font-size: 0.95rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    flex: 1;
}

.time-separator {
    opacity: 0.6;
}

.speed-control {
    margin-left: auto;
}

.speed-btn {
    min-width: 60px;
    font-weight: 700;
    color: var(--primary);
}

/* Secciones con headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e2e8f0;
}

.section-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

/* Sección de recorte */
.trim-section {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid #e2e8f0;
}

.trim-duration {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    padding: 0.4rem 0.8rem;
    background: #f0fdfa;
    border-radius: 6px;
}

.timeline-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-markers {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.timeline-marker {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.timeline-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #e2e8f0;
    outline: none;
    -webkit-appearance: none;
    position: relative;
    z-index: 2;
}

.timeline-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.4);
    transition: all 0.2s ease;
}

.timeline-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.6);
}

.timeline-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.4);
}

.timeline-progress {
    position: absolute;
    top: 28px;
    left: 0;
    height: 8px;
    background: linear-gradient(90deg, var(--primary) 0%, #60a5fa 100%);
    border-radius: 4px;
    pointer-events: none;
    z-index: 1;
}

.trim-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.trim-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.trim-input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

.time-input {
    padding: 0.6rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    text-align: center;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.time-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.trim-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem;
    background: white;
    border: 2px solid var(--primary);
    border-radius: 8px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.trim-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.trim-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* Sección de audio */
.audio-section {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid #e2e8f0;
}

.volume-value {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
    padding: 0.4rem 0.8rem;
    background: #f0fdfa;
    border-radius: 6px;
}

.volume-slider-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.volume-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.volume-slider {
    flex: 1;
    height: 8px;
    border-radius: 4px;
    background: linear-gradient(to right, #e2e8f0 0%, #e2e8f0 50%, #fee2e2 50%, #fee2e2 100%);
    outline: none;
    -webkit-appearance: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.4);
    transition: all 0.2s ease;
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.6);
}

.volume-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.4);
}

.volume-presets {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 0.4rem 0.8rem;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: #f0fdfa;
}

/* Sección de exportación */
.export-section {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid #e2e8f0;
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.format-option {
    cursor: pointer;
}

.format-option input[type="radio"] {
    display: none;
}

.format-card {
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    text-align: center;
    transition: all 0.2s ease;
    background: white;
}

.format-option:hover .format-card {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}

.format-option input[type="radio"]:checked + .format-card {
    border-color: var(--primary);
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.format-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.format-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

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

/* Botón de submit mejorado */
.btn-submit-enhanced {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    padding: 1.2rem;
    font-size: 1.1rem;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-submit-enhanced:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #115e59 100%);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.5);
    transform: translateY(-2px);
}

.btn-submit-enhanced:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-submit-enhanced.processing {
    pointer-events: none;
}

.btn-icon {
    font-size: 1.3rem;
}

/* Spinner de carga */
.loading-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 1rem;
    border: 4px solid #99f6e4;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.status-box {
    margin-top: 1.5rem;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    animation: slideIn 0.3s ease-out;
}

/* Responsive */
@media (max-width: 600px) {
    .trim-controls {
        grid-template-columns: 1fr;
    }

    .format-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .playback-controls {
        flex-wrap: wrap;
    }

    .time-display {
        width: 100%;
        justify-content: center;
        order: -1;
        margin-bottom: 0.5rem;
    }
}
/* =====================================================================
   DARK MODE — overrides para componentes de formularios/editores
   ===================================================================== */
[data-theme="dark"] .converter-card {
    border-color: var(--gray-200);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.4);
}
[data-theme="dark"] input[type="file"],
[data-theme="dark"] input[type="url"],
[data-theme="dark"] select {
    border-color: var(--gray-300);
    background-color: var(--bg-color);
    color: var(--text-main);
}
[data-theme="dark"] .audio-editor-card {
    background: #020617;
    border-color: #1e293b;
}
[data-theme="dark"] .audio-info-bar {
    background: var(--card-bg);
    border-color: var(--gray-200);
}
[data-theme="dark"] .region-time-display {
    background: rgba(13,148,136,0.1);
    border-color: rgba(13,148,136,0.3);
    color: #93c5fd;
}
[data-theme="dark"] .transport-btn {
    background: var(--card-bg);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
[data-theme="dark"] .transport-btn:hover { background: var(--gray-200); }
[data-theme="dark"] .trim-section,
[data-theme="dark"] .audio-section,
[data-theme="dark"] .export-section {
    background: var(--bg-color);
    border-color: var(--gray-200);
}
[data-theme="dark"] .format-card {
    background: var(--bg-color);
    border-color: var(--gray-200);
}
[data-theme="dark"] .format-option input[type="radio"]:checked + .format-card {
    background: rgba(13,148,136,0.15);
    border-color: var(--primary);
}
[data-theme="dark"] .editor-container {
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg-color) 100%);
    border-color: var(--gray-200);
}
[data-theme="dark"] .video-editor-enhanced .converter-header {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(13,148,136,0.08) 100%);
}
[data-theme="dark"] .trim-btn {
    background: var(--bg-color);
    border-color: var(--primary);
}
[data-theme="dark"] .preset-btn {
    background: var(--bg-color);
    border-color: var(--gray-200);
}
[data-theme="dark"] .preset-btn:hover {
    background: rgba(13,148,136,0.1);
    border-color: var(--primary);
    color: var(--primary);
}
[data-theme="dark"] .trim-duration,
[data-theme="dark"] .volume-value {
    background: rgba(13,148,136,0.15);
    color: #93c5fd;
}
[data-theme="dark"] .section-header { border-bottom-color: var(--gray-200); }
[data-theme="dark"] .timeline-slider { background: var(--gray-200); }
[data-theme="dark"] .time-input {
    border-color: var(--gray-200);
    background: var(--bg-color);
    color: var(--text-main);
}
[data-theme="dark"] .status-loading { background-color: rgba(3,105,161,0.2); color: #7dd3fc; }
[data-theme="dark"] .status-success { background-color: rgba(21,128,61,0.2);  color: #4ade80; }
[data-theme="dark"] .status-error   { background-color: rgba(185,28,28,0.2);  color: #f87171; }