/* Advanced Tool Settings Styles */

/* Professional Video Editing Workspace */
.video-editing-workspace {
    margin: 0;
    padding: 0;
    background: var(--primary-dark);
    border: none;
    box-shadow: none;
    border-radius: 0;
    display: none; /* Hidden by default, shown when video is uploaded */
}

.editing-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 0;
    min-height: calc(100vh - 120px);
    background: var(--primary-dark);
}

/* Left Panel - Video Preview */
.video-preview-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 2rem;
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.video-preview-panel .video-preview-section {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.video-preview-panel .video-preview-container {
    max-width: none;
    width: 100%;
    margin: 0;
}

.video-preview-panel .preview-video {
    width: 100%;
    max-width: 100%;
    height: auto;
}

/* Preview Placeholder */
.preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-secondary);
    background: var(--surface-primary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
}

.preview-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    opacity: 0.6;
}

.preview-placeholder h3 {
    font-size: 1.5rem;
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
}

.preview-placeholder p {
    font-size: 1rem;
    margin: 0;
    opacity: 0.8;
}

/* Right Panel - Controls */
.controls-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 2rem;
    overflow-y: auto;
    border-left: 1px solid var(--glass-border);
}

.controls-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.controls-header h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.controls-header h3 i {
    color: var(--primary-color);
}

.controls-header p {
    color: var(--text-secondary);
    margin: 0;
}

/* Control Groups */
.control-groups {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.control-label {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.control-label i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.control-select {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--surface-primary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.control-select:focus {
    outline: none;
    border-color: var(--border-focus);
    background: var(--surface-secondary);
    box-shadow: var(--box-shadow-primary-light);
}

.control-select:hover {
    border-color: var(--border-hover);
    background: var(--surface-hover);
}

.range-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.control-hint {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-style: italic;
}

/* Tool Settings Section Styles */
.tool-settings {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    margin: 2rem 1rem;
    overflow: hidden;
}

.settings-header {
    padding: 2rem 2rem 1rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background: var(--surface-primary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.settings-header i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.settings-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.settings-header p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 1rem;
}

.settings-grid {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.setting-group:last-child {
    border-bottom: none;
}

.setting-group.action-group {
    border-bottom: none;
    margin-top: 1rem;
    padding-top: 2rem;
    border-top: 2px solid var(--primary-color);
}

.setting-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.setting-label i {
    color: var(--primary-color);
    font-size: 1rem;
}

.setting-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    line-height: 1.4;
}

/* Preset Buttons */
.preset-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem 0.75rem;
    background: var(--surface-primary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    min-height: 80px;
    position: relative;
    overflow: hidden;
}

.preset-btn:hover {
    border-color: var(--border-hover);
    background: var(--surface-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.preset-btn.active {
    border-color: rgba(255, 255, 255, 0.3);
    background: var(--primary-color);
    color: var(--primary-contrast-text);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.preset-btn i {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.preset-btn.active i {
    color: var(--primary-contrast-text);
}

.preset-btn span {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.125rem;
}

.preset-btn small {
    font-size: 0.75rem;
    opacity: 0.8;
    text-align: center;
}

.setting-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Action Group */
.action-group {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

/* Burn-in Timecode Specific Styles */

/* Position Grid */
.position-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Use generic choice-btn from components.css */

/* Appearance Controls */
.appearance-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.control-row {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.control-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.range-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.25rem;
}

.range-input {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    transition: all 0.2s ease;
}

.range-input::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.range-input::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.range-value {
    min-width: 60px;
    text-align: center;
    font-weight: 600;
    background: var(--surface-secondary);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

/* Color Picker Groups */
.color-picker-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.25rem;
}

.color-input {
    width: 60px;
    height: 40px;
    cursor: pointer;
    background: none;
    padding: 0;
    overflow: hidden;
}

.color-input:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

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

.color-preset {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.color-preset:hover {
    transform: scale(1.2);
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.color-preset.active {
    border-color: var(--primary-color);
    border-width: 3px;
    transform: scale(1.15);
    box-shadow: var(--shadow-md);
}

.color-preset.active::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 10px;
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Time Input Group */
.time-input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.time-input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--surface-primary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

.time-input:focus {
    outline: none;
    border-color: var(--border-focus);
    background: var(--surface-secondary);
    box-shadow: var(--box-shadow-primary-light);
}

.time-suffix {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
    min-width: 60px;
    text-align: left;
}

/* Timecode Preview */
.timecode-preview {
    margin-top: 1rem;
    text-align: center;
}

.preview-box {
    padding: 2rem;
    background: var(--primary-medium);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
    position: relative;
    overflow: hidden;
}

.preview-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.02) 10px,
        rgba(255, 255, 255, 0.02) 20px
    );
    pointer-events: none;
}

.timecode-demo {
    font-family: 'Courier New', Consolas, 'Monaco', monospace;
    font-weight: bold;
    font-size: 24px;
    color: white;
    background: rgba(0, 0, 0, 0.8);
    padding: 8px 16px;
    border-radius: 4px;
    display: inline-block;
    letter-spacing: 0.05em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.preview-note {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-style: italic;
    margin-top: 0.5rem;
    display: block;
}

/* Radio Group Enhancements for Large Groups */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--surface-primary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.radio-option:hover {
    border-color: var(--border-hover);
    background: var(--surface-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.radio-option input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0;
    margin-right: 0.5rem;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.radio-custom {
    display: none;
}

.radio-custom::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.3s ease;
}

.radio-option input[type="radio"]:checked ~ .radio-content {
    color: var(--primary-color);
}

.radio-option input[type="radio"]:checked {
    background: var(--primary-color);
}

.radio-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.radio-content i {
    color: var(--text-secondary);
    font-size: 1rem;
    transition: color 0.3s ease;
}

.radio-content span {
    font-weight: 500;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.radio-option input[type="radio"]:checked ~ .radio-content i {
    color: var(--primary-color);
}

.radio-option input[type="radio"]:checked ~ .radio-content span {
    color: var(--primary-color);
}

/* Responsive Design for Timecode Controls */
@media (max-width: 768px) {
    .position-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    /* Mobile position-btn styles now handled by generic choice-btn */
    
    .appearance-controls {
        gap: 1rem;
        padding: 1rem;
    }
    
    .color-picker-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .timecode-demo {
        font-size: 18px;
        padding: 6px 12px;
    }
    
    .radio-option {
        padding: 0.75rem;
    }
}

/* Picture-in-Picture Specific Styles */
.upload-group {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--surface-primary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.upload-group h3 {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.upload-group h3 i {
    color: var(--primary-color);
}

.pip-preview {
    width: 100%;
    height: 300px;
    background: var(--surface-secondary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.interactive-preview {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.main-video-preview {
    width: 100%;
    height: 100%;
    background: var(--primary-medium);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.main-video-preview .preview-label {
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    background: rgba(0, 0, 0, 0.6);
    padding: 8px 12px;
    border-radius: 4px;
    pointer-events: none;
}

.overlay-preview {
    position: absolute;
    background: var(--warning-orange);
    border: 2px solid white;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    cursor: grab;
    min-width: 50px;
    min-height: 30px;
    /* Remove default percentage-based dimensions - will be set by JS */
}

.overlay-preview:hover {
    box-shadow: var(--box-shadow-primary-focus), var(--shadow-lg);
}

.overlay-preview.dragging {
    cursor: grabbing;
    box-shadow: var(--shadow-xl);
    z-index: 10;
    transform: scale(1.02);
}

.overlay-preview .preview-label {
    color: white;
    font-weight: 600;
    font-size: 0.7rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    background: rgba(0, 0, 0, 0.6);
    padding: 4px 8px;
    border-radius: 2px;
    pointer-events: none;
}

/* Position classes for overlay preview - DISABLED, positioning handled by JS */
/* These are overridden by JavaScript calculations for accurate positioning
.overlay-preview.top-left {
    top: 10px;
    left: 10px;
}

.overlay-preview.top-right {
    top: 10px;
    right: 10px;
}

.overlay-preview.bottom-left {
    bottom: 10px;
    left: 10px;
}

.overlay-preview.bottom-right {
    bottom: 10px;
    right: 10px;
}

.overlay-preview.center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
*/

.margin-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 0.5rem;
}

.margin-input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.small-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 70px;
}

.number-input.small {
    width: 70px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--surface-primary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    text-align: center;
}

.number-input.small:focus {
    outline: none;
    border-color: var(--border-focus);
    background: var(--surface-secondary);
    box-shadow: 0 0 0 2px var(--primary-alpha-10);
}

.unit {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.preview-group {
    grid-column: 1 / -1;
}

/* Upload section enhancements for dual video upload */
.upload-section .upload-header {
    text-align: center;
    margin-bottom: 2rem;
}

.upload-section .upload-header h2 {
    font-size: 1.5rem;
    margin: 1rem 0 0.5rem 0;
    color: var(--text-primary);
}

.upload-section .upload-header p {
    color: var(--text-secondary);
    margin: 0;
}

/* Enhanced Interactive Preview Styles */
.preview-guidelines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(to right, var(--secondary-alpha-10) 1px, transparent 1px),
        linear-gradient(to bottom, var(--secondary-alpha-10) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 1;
}

.interactive-preview:hover .preview-guidelines {
    opacity: 1;
}

.draggable-element {
    user-select: none;
    position: absolute;
}

.resize-handle {
    position: absolute;
    bottom: -6px;
    right: -6px;
    width: 12px;
    height: 12px;
    background: #fff;
    border: 2px solid #007bff;
    cursor: se-resize;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.draggable-element:hover .resize-handle {
    opacity: 1;
}

.preview-controls {
    margin-top: 0.5rem;
    text-align: center;
}

.preview-controls .hint {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-style: italic;
}

.preview-controls .hint i {
    color: var(--primary-color);
    margin: 0 0.25rem;
}

/* Dual Upload Area Styles for Add/Replace Audio Tools */
.upload-area-header {
    text-align: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.upload-area-header h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.upload-area-header h3 i {
    color: var(--primary-color);
    font-size: 1rem;
}

.current-files {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--surface-secondary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-right: 1rem;
}

.file-details {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.file-details i {
    font-size: 1.5rem;
    color: var(--primary-color);
    opacity: 0.8;
}

.file-text h4 {
    margin: 0 0 0.25rem 0;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
}

.file-text p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.file-status .status-badge {
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.file-status .status-badge.ready {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

/* Enhanced Audio Preview Section */
.preview-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    margin: 2rem 1rem;
    overflow: hidden;
}

.preview-container {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.video-preview {
    position: relative;
    background: #000;
    border-radius: var(--border-radius);
    overflow: hidden;
    max-width: 600px;
    margin: 0 auto;
}

.video-preview video {
    width: 100%;
    height: auto;
    display: block;
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.preview-overlay:hover {
    background: rgba(0, 0, 0, 0.8);
}

.preview-overlay i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.preview-overlay p {
    font-size: 1.1rem;
    margin: 0;
}

.preview-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.preview-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preview-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), #5a67d8);
    color: white;
}

.preview-btn.primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.preview-btn.secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

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

/* Enhanced Audio Controls */
.time-controls {
    display: flex;
    gap: 1.5rem;
    margin: 1rem 0;
}

.volume-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1rem 0;
}

.volume-control {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.volume-control label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.position-controls {
    margin: 1rem 0;
}

/* Time Input Enhancements */
.time-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 140px;
}

.time-input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.time-input {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
    text-align: center;
    transition: var(--transition);
}

.time-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow-primary-light);
}

.time-suffix {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    font-style: italic;
}

/* Range Input Enhancements */
.range-control {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.range-input {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    outline: none;
    transition: var(--transition);
    width: 100%;
}

.range-input::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--primary-color), #5a67d8);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.range-input::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.range-input::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--primary-color), #5a67d8);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.range-value {
    min-width: 50px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .time-controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .preview-controls {
        flex-direction: column;
    }
    
    .range-control {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .volume-controls {
        gap: 1.5rem;
    }
}

/* Resolution preset buttons */
.resolution-presets {
    margin-top: 1rem;
}

.preset-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 0.5rem;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    font-family: inherit;
}

.preset-btn:hover {
    background: var(--hover-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);

}

.preset-btn.active {
    background: var(--primary-color);
    color: var(--primary-contrast-text);
    border-color: var(--primary-color);
    transform: translateY(-2px);

}

.preset-btn i {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.preset-btn span {
    font-weight: 600;
    font-size: 0.9rem;
}

.preset-btn small {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 0.125rem;
}

.preset-btn.active small {
    color: var(--primary-contrast-text);
    opacity: 0.8;
}

/* Custom resolution inputs */
.custom-resolution-inputs {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    justify-content: center;
}

.dimension-input {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.dimension-input label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.tool-settings input[type="number"], .tool-settings input[type="text"] {
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-family: inherit;
    color: var(--text-tertiary);
}

.tool-settings input[type="number"], .tool-settings input[type="text"] {
    width: 80px;
}

.tool-settings input[type="number"]:focus, .tool-settings input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow-primary-light);
}

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

.dimension-separator {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-muted);
    margin-top: 1rem;
}

/* Scale mode options */
.scale-mode-options {
    margin-top: 1rem;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.radio-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.radio-option:hover {
    background: var(--hover-color);
    border-color: var(--primary-color);
}

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

.radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    background: white;
    flex-shrink: 0;
    position: relative;
    transition: all 0.3s ease;
    margin-top: 0.125rem;
}

.radio-option input[type="radio"]:checked + .radio-custom {
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.radio-option input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
}

.radio-content {
    flex: 1;
}

.radio-content strong {
    display: block;
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.radio-content small {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.3;
}

/* Aspect ratio option */
.aspect-ratio-option {
    margin-top: 1rem;
}

.checkbox-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.checkbox-option:hover {
    background: var(--hover-color);
    border-color: var(--primary-color);
}

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

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 0.25rem;
    background: white;
    flex-shrink: 0;
    position: relative;
    transition: all 0.3s ease;
    margin-top: 0.125rem;
}

.checkbox-option input[type="checkbox"]:checked + .checkbox-custom {
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.checkbox-option input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

.checkbox-content {
    flex: 1;
}

.checkbox-content strong {
    display: block;
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.checkbox-content small {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.3;
}

/* Info box for auto-crop */
.info-box {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 1rem;
}

.info-box p {
    margin: 0 0 0.75rem 0;
    color: var(--text-color);
    font-size: 0.9rem;
}

.info-box ul {
    margin: 0;
    padding-left: 1.25rem;
}

.info-box li {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

/* Speed to Fit Duration Specific Styles */

.duration-input-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 0.5rem;
}

.custom-duration-input {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.speed-preview {
    margin-top: 0.5rem;
}

.preview-calculation {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 0.5rem;
}

.calculation-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

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

.calculation-row.highlight {
    background: var(--secondary-alpha-05);
    margin: 0.5rem -0.5rem;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    border-bottom: none;
}

.calculation-row.audio-info {
    background: var(--success-alpha-05);
    margin: 0 -0.5rem;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    border-bottom: none;
}

.calc-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.calc-value {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.preview-info {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
}

.preview-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.preview-label::before {
    content: "📊";
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .duration-input-container {
        gap: 0.75rem;
    }
    
    .calculation-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        padding: 0.75rem 0;
    }
    
    .calc-label {
        font-size: 0.85rem;
    }
    
    .calc-value {
        font-size: 0.9rem;
        font-weight: 600;
    }
    
    .preview-calculation {
        padding: 0.75rem;
    }
}

/* Universal Text Input Class - Use this for ALL text inputs! */
.text-input {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--surface-primary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    width: 100%;
    font-family: inherit;
}

.text-input:focus {
    outline: none;
    border-color: var(--border-focus);
    background: var(--surface-secondary);
    box-shadow: var(--box-shadow-primary-light);
}

.text-input:hover:not(:focus) {
    border-color: var(--border-hover);
    background: var(--surface-hover);
}

.text-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Transition Controls */
.transition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
    margin-top: 10px;
}

.transition-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 12px;
    min-height: 60px;
    justify-content: center;
}

.transition-btn:hover {
    border-color: var(--primary-color);
    background: var(--primary-color-alpha-10);
    color: var(--primary-color);
}

.transition-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

.transition-btn i {
    font-size: 16px;
    margin-bottom: 4px;
}

.transition-btn span {
    font-weight: 500;
    text-align: center;
    line-height: 1.2;
}

.individual-transitions-container {
    margin-top: 15px;
}

.transition-pair {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    padding: 10px;
    background: var(--surface-color);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.transition-pair-label {
    font-size: 12px;
    color: var(--text-secondary);
    min-width: 120px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.transition-pair-select {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 5px;
}

.transition-pair-select .transition-btn {
    min-height: 40px;
    padding: 6px 4px;
    font-size: 10px;
}

.transition-pair-select .transition-btn i {
    font-size: 12px;
    margin-bottom: 2px;
}

.random-info {
    text-align: center;
    padding: 20px;
    background: var(--surface-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-top: 15px;
}

.random-info i {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.random-info p {
    margin-bottom: 5px;
    color: var(--text-primary);
}

.random-info small {
    color: var(--text-secondary);
}