/* Modern EDID Encoder Design
 * 
 * A comprehensive redesign focused on:
 * - Professional form hierarchy and organization
 * - Modern card-based layout with enhanced visual appeal
 * - Improved form experience with better validation and feedback
 * - Better data presentation and input methods
 * - Responsive design for all devices
 * - Dark mode compatibility
 * - Smooth animations and interactions
 * - Advanced extension block management
 */

/* ULTRA-COMPACT MODE - Minimal spacing and font sizes */
#encoder-tab {
    --compact-font-h3: 0.9rem;
    --compact-font-h4: 0.8rem;
    --compact-font-h5: 0.75rem;
    --compact-font-h6: 0.7rem;
    --compact-font-label: 0.6rem;
    --compact-font-input: 0.7rem;
    --compact-font-help: 0.6rem;
    --compact-padding-section: 0.5rem;
    --compact-padding-block: 0.3rem;
    --compact-padding-input: 0.25rem;
    --compact-margin-section: 0.4rem;
    --compact-margin-group: 0.3rem;
    --compact-gap-grid: 0.3rem;
    --compact-gap-small: 0.15rem;
}

/* Main Encoder Container */
#encoder-tab {
    display: flex;
    flex-direction: column;
    gap: var(--compact-margin-section);
    max-width: 100%;
    overflow-x: hidden;
    padding: 0;
    position: relative;
}

#encoder-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    right: -50%;
    height: 120px;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.02) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Enhanced Form Sections */
.form-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: 0.5rem;
    padding: var(--compact-padding-section);
    margin-bottom: var(--compact-margin-section);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), #60a5fa);
    border-radius: 0.8rem 0.8rem 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.form-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-color);
    border-color: rgba(59, 130, 246, 0.3);
}

.form-section:hover::before {
    opacity: 1;
}

.form-section h3 {
    color: var(--text-primary);
    font-size: var(--compact-font-h3);
    font-weight: 600;
    margin-bottom: var(--compact-margin-group);
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--compact-gap-small);
}

.form-section h3::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.3);
}

.form-section h3::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 2.5rem;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 1px;
}

/* Enhanced Data Grid */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--compact-gap-small);
    margin-top: var(--compact-gap-small);
}

/* Premium Form Groups */
#encoder-tab .form-group {
    margin-bottom: var(--compact-margin-group);
    position: relative;
}

#encoder-tab .form-group label {
    display: block;
    margin-bottom: 0.15rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--compact-font-label);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    position: relative;
    padding-left: 0.4rem;
}

#encoder-tab .form-group label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 50%;
}

#encoder-tab .form-group input,
#encoder-tab .form-group select,
#encoder-tab .form-group textarea {
    width: 100%;
    padding: var(--compact-padding-input);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.3rem;
    color: var(--text-primary);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--compact-font-input);
    position: relative;
}

#encoder-tab .form-group input:focus,
#encoder-tab .form-group select:focus,
#encoder-tab .form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1), 0 2px 6px var(--shadow-color);
    outline: none;
    background: var(--bg-secondary);
}

#encoder-tab .form-group input:invalid {
    border-color: #ef4444;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1);
}

#encoder-tab .form-group input:valid {
    border-color: #10b981;
}

/* Enhanced Help Text */
.help-text {
    display: block;
    font-size: var(--compact-font-help);
    color: var(--text-secondary);
    margin-top: 0.1rem;
    padding-left: 1rem;
    position: relative;
    opacity: 0.8;
    line-height: 1.2;
}

.help-text::before {
    content: 'ℹ️';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 0.6rem;
    width: 0.8rem;
    height: 1.2em;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Enhanced Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--compact-gap-small);
    margin: var(--compact-margin-group) 0;
    padding: var(--compact-padding-input);
    background: rgba(59, 130, 246, 0.02);
    border-radius: 0.3rem;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

#encoder-tab .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--compact-gap-small);
    cursor: pointer;
    padding: 0.125rem;
    border-radius: 0.25rem;
    transition: all 0.2s ease;
    background: transparent;
    border: none;
    font-size: var(--compact-font-input);
    line-height: 1.3;
    min-height: auto;
    vertical-align: top;
}

#encoder-tab .checkbox-label:hover {
    background: rgba(59, 130, 246, 0.05);
    border-radius: 0.25rem;
}

#encoder-tab .checkbox-label input[type="checkbox"] {
    width: 0.875rem;
    height: 0.875rem;
    cursor: pointer;
    accent-color: var(--accent-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.125rem;
    margin: 0;
    flex-shrink: 0;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: var(--bg-primary);
    position: relative;
    transition: all 0.2s ease;
    vertical-align: middle;
    align-self: center;
}

#encoder-tab .checkbox-label input[type="checkbox"]:checked {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

#encoder-tab .checkbox-label input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.625rem;
    font-weight: bold;
    line-height: 1;
}

#encoder-tab .checkbox-label input[type="checkbox"]:focus {
    outline: 2px solid rgba(59, 130, 246, 0.3);
    outline-offset: 1px;
}

#encoder-tab .checkbox-label span {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--compact-font-input);
    user-select: none;
    line-height: 1.3;
    margin: 0;
    align-self: center;
    display: flex;
    align-items: center;
}

/* Enhanced Extension Blocks */
.extension-blocks {
    display: flex;
    flex-direction: column;
    gap: var(--compact-gap-grid);
}

.extension-block {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border: 1px solid var(--border-color);
    border-radius: 0.6rem;
    margin-bottom: var(--compact-margin-group);
    overflow: hidden;
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px var(--shadow-color);
    transition: all 0.3s ease;
}

.extension-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-color);
    border-color: rgba(59, 130, 246, 0.3);
}

.extension-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--compact-padding-block);
    background: linear-gradient(90deg, var(--bg-tertiary), var(--bg-secondary));
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.extension-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), #60a5fa);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.extension-block:hover .extension-header::before {
    transform: scaleX(1);
}

.extension-header h4 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--compact-font-h4);
    display: flex;
    align-items: center;
    gap: var(--compact-gap-small);
}

.extension-header h4::before {
    content: '🔧';
    font-size: var(--compact-font-h4);
}

.btn-remove-extension {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-error);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-remove-extension::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ef4444;
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
}

.btn-remove-extension:hover {
    border-color: #ef4444;
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.3);
}

.btn-remove-extension:hover::before {
    transform: scale(1);
}

.btn-remove-extension:hover {
    color: white;
}

.extension-content {
    padding: var(--compact-padding-section);
    position: relative;
}

/* Enhanced Timing Tabs */
.timing-tabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--compact-margin-group);
    background: var(--bg-tertiary);
    border-radius: 0.5rem;
    padding: 0.3rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.timing-tab {
    flex: 1;
    padding: 0.5rem 1rem;
    border-radius: 0.3rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--compact-font-input);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.timing-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-primary), #60a5fa);
    border-radius: 0.5rem;
    transform: scale(0);
    transition: transform 0.3s ease;
    z-index: -1;
}

.timing-tab:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
}

.timing-tab.active {
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.timing-tab.active::before {
    transform: scale(1);
}

/* Enhanced Timing Content */
.timing-content {
    display: none !important;
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    padding: var(--compact-padding-section);
    border: 1px solid var(--border-color);
    margin-top: 0.6rem;
    box-shadow: 0 4px 16px var(--shadow-color);
}

.timing-content.active {
    display: block !important;
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced Standard Timing Slots */
.standard-timing-slot {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: var(--compact-padding-block);
    margin-bottom: var(--compact-margin-group);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.standard-timing-slot.modern-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(59, 130, 246, 0.02) 100%);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 0.8rem;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.standard-timing-slot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), #60a5fa);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.standard-timing-slot:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px var(--shadow-color);
    border-color: rgba(59, 130, 246, 0.3);
}

.standard-timing-slot:hover::before {
    opacity: 1;
}

.slot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.slot-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.slot-icon {
    font-size: 1.2rem;
    color: var(--accent-primary);
}

.slot-header h5 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.btn-remove-slot {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.btn-remove-slot:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.btn-remove-slot span {
    color: white;
    font-size: 16px;
    font-weight: bold;
    line-height: 1;
}

.timing-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quick-select-section {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(59, 130, 246, 0.02));
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 0.6rem;
    padding: 0.8rem;
}

.preset-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
}

.modern-select {
    width: 100%;
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 0.4rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.modern-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.modern-select optgroup {
    font-weight: 600;
    color: var(--accent-primary);
}

.manual-controls {
    background: rgba(156, 163, 175, 0.05);
    border: 1px solid rgba(156, 163, 175, 0.1);
    border-radius: 0.6rem;
    padding: 0.8rem;
}

.controls-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.6rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.8rem;
}

.controls-icon {
    font-size: 1rem;
}

.form-grid.compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: var(--compact-gap-small);
}

.input-with-suffix {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-suffix input {
    flex: 1;
    padding: 0.5rem 2.5rem 0.5rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 0.4rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.input-with-suffix input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-with-suffix .suffix {
    position: absolute;
    right: 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    pointer-events: none;
}



/* Enhanced Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--compact-gap-small);
    padding: var(--compact-padding-input);
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    font-size: var(--compact-font-input);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), #60a5fa);
    color: white;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px var(--shadow-color);
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

.btn-add-timing,
.btn-add-extension,
.btn-add-data-block {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border: 2px dashed var(--border-color);
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-add-timing:hover,
.btn-add-extension:hover,
.btn-add-data-block:hover {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

/* Enhanced Preview Section */
.preview-section {
    margin-top: var(--compact-margin-section);
    padding: var(--compact-padding-section);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: 0.8rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 25px var(--shadow-color);
    position: relative;
    overflow: hidden;
}

.preview-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), #60a5fa, #34d399);
    border-radius: 0.8rem 0.8rem 0 0;
}

.preview-section h3 {
    color: var(--text-primary);
    margin-bottom: var(--compact-margin-group);
    font-size: var(--compact-font-h3);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--compact-gap-small);
}

.preview-section h3::before {
    content: '👁️';
    font-size: var(--compact-font-h3);
}

.preview-actions {
    display: flex;
    gap: var(--compact-gap-grid);
    margin-top: var(--compact-margin-group);
    flex-wrap: wrap;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--compact-gap-grid);
    margin-top: var(--compact-margin-section);
    padding-top: var(--compact-margin-group);
    border-top: 1px solid var(--border-color);
}

/* Enhanced Data Block Controls */
.data-block-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--compact-gap-small);
    margin: var(--compact-margin-group) 0;
    padding: var(--compact-padding-block);
    background: rgba(16, 185, 129, 0.02);
    border-radius: 0.5rem;
    border: 1px solid rgba(16, 185, 129, 0.1);
}

.btn-add-data-block {
    padding: 0.625rem 1.25rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-add-data-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn-add-data-block:hover {
    background: var(--bg-secondary);
    border-color: #10b981;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.15);
}

.btn-add-data-block:hover::before {
    left: 100%;
}

/* Enhanced Timing Block Styles */
.timing-block {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.6rem;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.timing-block:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px var(--shadow-color);
    border-color: rgba(59, 130, 246, 0.3);
}

.timing-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.timing-block-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timing-block-title::before {
    content: '📊';
    font-size: 1.1rem;
}

.btn-remove-timing-block {
    padding: 0.375rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-error);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.btn-remove-timing-block:hover {
    background: #ef4444;
    color: white;
    border-color: #ef4444;
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.timing-block-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.6rem;
}

/* Extension Controls */
.extension-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(59, 130, 246, 0.02);
    border-radius: 0.6rem;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.btn-add-extension {
    padding: 0.6rem 1.2rem;
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: 0.6rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.btn-add-extension::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn-add-extension:hover {
    background: rgba(59, 130, 246, 0.05);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px var(--shadow-color);
}

.btn-add-extension:hover::before {
    left: 100%;
}

/* Block Map Styles */
.block-map-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(75px, 1fr));
    gap: 0.3rem;
    margin-bottom: 0.6rem;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-radius: 0.3rem;
    border: 1px solid var(--border-color);
}

.block-tag-entry {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--bg-primary);
    padding: 0.5rem;
    border-radius: 0.4rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.block-tag-entry:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-color);
    border-color: var(--accent-primary);
}

.block-tag-entry input {
    width: 60px;
    text-align: center;
    padding: 0.2rem;
    border: 1px solid var(--border-color);
    border-radius: 0.15rem;
    background: var(--bg-secondary);
    font-size: 0.7rem;
}

/* Enhanced Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Loading States */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
    animation: pulse 1s infinite;
}

.btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}

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

/* Compact Container Layouts for Better Space Utilization */
.compact-container-row {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--compact-gap-grid);
    align-items: flex-start;
}

.compact-container-row > * {
    flex: 1;
    min-width: 250px;
}

.compact-widget-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--compact-gap-grid);
    align-items: start;
}

.compact-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--compact-gap-small);
    margin-bottom: var(--compact-margin-group);
}

.compact-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--compact-gap-grid);
    align-items: start;
}

.compact-three-col {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--compact-gap-grid);
    align-items: start;
}

.compact-sidebar-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--compact-gap-grid);
    align-items: start;
}

.compact-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.3rem;
    padding: var(--compact-padding-block);
    margin-bottom: var(--compact-margin-group);
    transition: all 0.2s ease;
}

.compact-box:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.compact-box-header {
    font-size: var(--compact-font-h5);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--compact-gap-small);
    padding-bottom: var(--compact-gap-small);
    border-bottom: 1px solid var(--border-color);
}

/* Ultra-wide screen optimization */
@media (min-width: 1600px) {
    .data-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 250px));
        justify-content: center;
    }
    
    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 220px));
        justify-content: center;
    }
    
    .timing-list {
        grid-template-columns: 1fr 1fr;
        max-width: 1200px;
        margin: 0 auto;
    }
    
    .compact-widget-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 400px));
        justify-content: center;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .data-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: var(--compact-gap-small);
    }
    
    .timing-tabs {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--compact-gap-small);
    }
    
    .timing-tab {
        border-radius: 0.25rem;
        flex: 1;
        min-width: 100px;
    }
    
    .compact-three-col {
        grid-template-columns: 1fr 1fr;
    }
    
    .compact-sidebar-layout {
        grid-template-columns: 1fr;
    }
    
    .compact-widget-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    #encoder-tab {
        gap: var(--compact-margin-group);
    }
    
    .form-section {
        padding: var(--compact-padding-block);
        margin-bottom: var(--compact-margin-group);
    }
    
    .data-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--compact-gap-small);
    }
    
    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--compact-gap-small);
    }
    
    .preview-actions,
    .form-actions {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--compact-gap-small);
    }
    
    .btn {
        flex: 1;
        min-width: 120px;
        justify-content: center;
        padding: var(--compact-padding-input);
    }
    
    .extension-controls,
    .data-block-controls {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--compact-gap-small);
    }
    
    .btn-add-extension,
    .btn-add-data-block {
        flex: 1;
        min-width: 150px;
        justify-content: center;
    }
    
    .block-map-grid {
        grid-template-columns: repeat(auto-fill, minmax(55px, 1fr));
        gap: var(--compact-gap-small);
    }
    
    .timing-block-content {
        grid-template-columns: 1fr;
    }
    
    .extension-header {
        padding: var(--compact-padding-input);
    }
    
    .extension-content {
        padding: var(--compact-padding-block);
    }
    
    .compact-two-col,
    .compact-three-col {
        grid-template-columns: 1fr;
    }
    
    .compact-container-row {
        flex-direction: column;
    }
    
    .compact-container-row > * {
        min-width: auto;
    }
    
    .compact-widget-grid {
        grid-template-columns: 1fr;
    }
    
    .compact-form-row {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
}

@media (max-width: 480px) {
    .form-section {
        padding: var(--compact-padding-input);
        border-radius: 0.4rem;
    }
    
    .form-section h3 {
        font-size: var(--compact-font-h4);
    }
    
    .extension-header {
        padding: var(--compact-padding-input);
        flex-direction: row;
        gap: var(--compact-gap-small);
        align-items: center;
    }
    
    .extension-content {
        padding: var(--compact-padding-input);
    }
    
    .form-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--compact-gap-small);
    }
    
    .input-with-suffix input {
        padding: var(--compact-padding-input);
    }
    
    .checkbox-label {
        padding: 0.1rem;
    }
    
    .data-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    }
    
    .block-map-grid {
        grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    }
    
    .preset-grid-compact {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    }
    
    .preset-btn-compact {
        min-height: 2rem;
        font-size: 0.6rem;
    }
    
    .compact-form-row {
        grid-template-columns: 1fr;
    }
    
    .btn {
        min-width: 100px;
        font-size: var(--compact-font-help);
    }
}

/* Dark Mode Enhancements */
[data-theme="dark"] .form-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

[data-theme="dark"] .extension-block {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

[data-theme="dark"] .timing-content {
    background: var(--bg-primary);
}

[data-theme="dark"] .standard-timing-slot,
[data-theme="dark"] .timing-block {
    background: var(--bg-secondary);
}

[data-theme="dark"] .feature-grid {
    background: rgba(59, 130, 246, 0.05);
}

[data-theme="dark"] .data-block-controls {
    background: rgba(16, 185, 129, 0.05);
}

[data-theme="dark"] .extension-controls {
    background: rgba(59, 130, 246, 0.05);
}

/* Focus Management */
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2), 0 8px 25px var(--shadow-color);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .form-section,
    .extension-block,
    .timing-content,
    .standard-timing-slot {
        border-width: 2px;
    }
    
    .btn {
        border: 2px solid;
    }
    
    .btn-primary {
        border-color: var(--accent-primary);
    }
    
    .btn-secondary {
        border-color: var(--text-primary);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Hex Input Fields */
input[pattern*="A-Fa-f"], 
input[name="productCode"],
input[name="serialNumber"],
input[name="product-code"],
input[name="serial-number"],
input[name="vendor-id"] {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(59, 130, 246, 0.02) 100%);
    border: 2px solid var(--border-color);
    position: relative;
}

input[pattern*="A-Fa-f"]::placeholder,
input[name="productCode"]::placeholder,
input[name="serialNumber"]::placeholder,
input[name="product-code"]::placeholder,
input[name="serial-number"]::placeholder {
    text-transform: uppercase;
    color: var(--text-secondary);
    opacity: 0.7;
}

input[pattern*="A-Fa-f"]:focus,
input[name="productCode"]:focus,
input[name="serialNumber"]:focus,
input[name="product-code"]:focus,
input[name="serial-number"]:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1), 0 8px 25px var(--shadow-color);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(59, 130, 246, 0.05) 100%);
}

input[pattern*="A-Fa-f"]:valid,
input[name="productCode"]:valid,
input[name="serialNumber"]:valid,
input[name="product-code"]:valid,
input[name="serial-number"]:valid {
    border-color: #10b981;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(16, 185, 129, 0.02) 100%);
}

input[pattern*="A-Fa-f"]:invalid,
input[name="productCode"]:invalid,
input[name="serialNumber"]:invalid,
input[name="product-code"]:invalid,
input[name="serial-number"]:invalid {
    border-color: #ef4444;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(239, 68, 68, 0.02) 100%);
}

/* Hex field labels with icon */
label:has(+ input[pattern*="A-Fa-f"]),
label:has(+ input[name="productCode"]),
label:has(+ input[name="serialNumber"]),
label:has(+ input[name="product-code"]),
label:has(+ input[name="serial-number"]) {
    position: relative;
}

label:has(+ input[pattern*="A-Fa-f"])::after,
label:has(+ input[name="productCode"])::after,
label:has(+ input[name="serialNumber"])::after,
label:has(+ input[name="product-code"])::after,
label:has(+ input[name="serial-number"])::after {
    content: '0x';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ========================================================================================
   DISPLAYID DATA BLOCKS STYLING - MODERN DESIGN SYSTEM
   ======================================================================================== */

/* DisplayID Extension Container */
.displayid-extension-block {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px var(--shadow-color);
    overflow: hidden;
    position: relative;
}

.displayid-extension-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #8b5cf6, #06b6d4);
    opacity: 0.8;
}

/* DisplayID Data Blocks Container */
.displayid-data-blocks-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 1.25rem;
    padding: 1.25rem;
    margin-top: 1rem;
    background: var(--bg-primary);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    align-items: start;
}

/* When empty, show placeholder */
.displayid-data-blocks-container:empty::before {
    content: "👆 Add DisplayID data blocks using the buttons above";
    display: block;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    border: 2px dashed var(--border-color);
    grid-column: 1 / -1;
}

/* Individual DisplayID Data Block */
.displayid-data-block {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(10px);
}

.displayid-data-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    border-color: rgba(139, 92, 246, 0.3);
}

/* Data Block Header */
.data-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.data-block-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1.5rem;
    right: 1.5rem;
    height: 2px;
    background: linear-gradient(90deg, #8b5cf6, #06b6d4);
    border-radius: 1px;
    opacity: 0.6;
}

.data-block-header h6 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 0.3px;
}

.data-block-header h6::before {
    content: '';
    width: 8px;
    height: 8px;
    background: linear-gradient(45deg, #8b5cf6, #06b6d4);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.4);
}

/* Remove Block Button */
.remove-block-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.remove-block-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.4);
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

/* Data Block Content */
.data-block-content {
    padding: 1rem;
}

/* Form Grid inside Data Blocks */
.displayid-data-block .form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: start;
}

/* Form Groups inside Data Blocks */
.displayid-data-block .form-group {
    margin-bottom: 0.75rem;
}

.displayid-data-block .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding-left: 1rem;
}

.displayid-data-block .form-group label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: linear-gradient(45deg, #8b5cf6, #06b6d4);
    border-radius: 50%;
}

.displayid-data-block .form-group input,
.displayid-data-block .form-group select,
.displayid-data-block .form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.displayid-data-block .form-group input:focus,
.displayid-data-block .form-group select:focus,
.displayid-data-block .form-group textarea:focus {
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
    outline: none;
    background: var(--bg-secondary);
}

/* Checkbox Groups */
.displayid-data-block .checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.displayid-data-block .checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

/* Checkbox Groups */
.displayid-data-block .checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.2rem;
    margin-top: 0.2rem;
}

.displayid-data-block .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--compact-gap-small);
    padding: 0.125rem;
    background: transparent;
    border-radius: 0.25rem;
    border: none;
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: var(--compact-font-input);
    font-weight: 500;
    line-height: 1.3;
    min-height: auto;
}

.displayid-data-block .checkbox-label:hover {
    background: rgba(139, 92, 246, 0.05);
}

.displayid-data-block .checkbox-label input[type="checkbox"] {
    width: 0.875rem;
    height: 0.875rem;
    margin: 0;
    flex-shrink: 0;
    accent-color: #8b5cf6;
    border: 1px solid var(--border-color);
    border-radius: 0.125rem;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: var(--bg-primary);
    position: relative;
    transition: all 0.2s ease;
    vertical-align: middle;
    align-self: center;
}

.displayid-data-block .checkbox-label input[type="checkbox"]:checked {
    background: #8b5cf6;
    border-color: #8b5cf6;
}

.displayid-data-block .checkbox-label input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.625rem;
    font-weight: bold;
    line-height: 1;
}

.displayid-data-block .checkbox-label input[type="checkbox"]:checked + span {
    color: #8b5cf6;
    font-weight: 600;
}

/* Help Text */
.displayid-data-block .help-text {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    font-style: italic;
    opacity: 0.8;
    padding-left: 0;
}

.displayid-data-block .help-text::before {
    display: none;
}

/* Override help text icon for compact layouts */
.compact-box .help-text,
.widget-cluster .help-text,
.widget-dense .help-text,
.compact-form-row .help-text {
    padding-left: 0;
}

.compact-box .help-text::before,
.widget-cluster .help-text::before,
.widget-dense .help-text::before,
.compact-form-row .help-text::before {
    display: none;
}

/* Block Type Specific Styling */
.product-id-block {
    border-left: 4px solid #10b981;
}

.display-parameters-block {
    border-left: 4px solid #3b82f6;
}

.timing-block {
    border-left: 4px solid #f59e0b;
}

.color-characteristics-block {
    border-left: 4px solid #ef4444;
}

.vendor-specific-block {
    border-left: 4px solid #8b5cf6;
}

.generic-block {
    border-left: 4px solid #6b7280;
}

/* Timing Descriptors */
.timing-descriptor {
    background: var(--bg-secondary);
    border-radius: 0.4rem;
    padding: 0.6rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
    position: relative;
}

.timing-descriptor::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #f59e0b, #d97706);
    border-radius: 0.5rem 0.5rem 0 0;
}

.timing-descriptor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.6rem;
}

.timing-descriptor-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.8rem;
}

.timing-descriptor-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 0.3rem;
}

.timing-spec {
    text-align: center;
    padding: 0.3rem;
    background: var(--bg-primary);
    border-radius: 0.25rem;
    border: 1px solid var(--border-color);
}

.timing-spec-label {
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.15rem;
}

.timing-spec-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Responsive Design for DisplayID Blocks */
@media (max-width: 768px) {
    .displayid-data-blocks-container {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    .displayid-data-block .form-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .displayid-data-block .checkbox-group {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .data-block-header {
        padding: 1rem;
    }
    
    .data-block-content {
        padding: 1rem;
    }
}

/* Timing Entries Specific Styling */
.timing-entry {
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.timing-entry-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(217, 119, 6, 0.15) 100%);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1;
}

.timing-entry-header h6 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timing-entry-header h6::before {
    content: '⏱️';
    font-size: 0.8rem;
}

.remove-timing-btn {
    width: 20px;
    height: 20px;
    border: none;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.remove-timing-btn:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.timing-entries-container {
    max-height: 450px;
    overflow-y: auto;
    border-radius: 0.5rem;
}

.timing-entry-content {
    padding: 0.5rem 0.75rem 0.75rem 0.75rem;
}

.timing-entry-content .form-grid {
    margin-bottom: 0.5rem;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.5rem;
}

.timing-entry-content .form-group {
    margin-bottom: 0.5rem;
}

.timing-entry-content .timing-options {
    margin-bottom: 0;
    margin-top: 0.25rem;
}

.timing-entry-content .timing-options .checkbox-group {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.375rem;
    margin-top: 0.375rem;
}

/* Dark Theme Overrides for DisplayID */
[data-theme="dark"] .displayid-data-block {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    border-color: #404040;
}

[data-theme="dark"] .data-block-header {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
    border-bottom-color: #404040;
}

[data-theme="dark"] .displayid-data-block .checkbox-label {
    background: transparent;
}

[data-theme="dark"] .displayid-data-block .checkbox-label:hover {
    background: rgba(139, 92, 246, 0.1);
}

[data-theme="dark"] .timing-descriptor {
    background: #2a2a2a;
    border-color: #404040;
}

[data-theme="dark"] .timing-spec {
    background: #1a1a1a;
    border-color: #404040;
}

[data-theme="dark"] .timing-entry {
    background: #2a2a2a;
    border-color: #404040;
}

[data-theme="dark"] .timing-entry-header {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.2) 100%);
    border-bottom-color: #404040;
}

[data-theme="dark"] .timing-entry-content {
    background: #2a2a2a;
}

/* Timing Header */
.timing-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: 1rem !important;
    padding: 0.75rem 1rem !important;
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 0.5rem !important;
}

.timing-header h6 {
    margin: 0 !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
}

.timing-header .add-timing-btn {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    color: white !important;
    border: none !important;
    padding: 0.5rem 1rem !important;
    border-radius: 0.375rem !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.timing-header .add-timing-btn:hover {
    background: linear-gradient(135deg, #059669, #047857) !important;
    transform: translateY(-1px) !important;
}

/* Type I Timing Form - Full width container */
.type-i-timing-form {
    width: 100% !important;
    max-width: none !important;
}

/* Timing List - Full width layout */
.timing-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem !important;
    width: 100% !important;
}

/* Timing Row - Optimized for grid layout */
.timing-row {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
    padding: 0.5rem !important;
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 0.4rem !important;
    transition: all 0.2s ease !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.timing-row:hover {
    border-color: #ff6b35 !important;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.1) !important;
}

/* Timing Header Section - Compact */
.timing-header-section {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 0.3rem !important;
}

/* Timing Info Section */
.timing-info {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.15rem !important;
    flex: 1 !important;
}

.timing-label {
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    color: #ff6b35 !important;
}

.timing-summary {
    font-size: 0.7rem !important;
    color: var(--text-secondary) !important;
    font-family: 'JetBrains Mono', monospace !important;
    word-break: break-word !important;
}

/* Timing Inputs Section - Stacked layout */
.timing-quick-inputs {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 0.3rem !important;
    margin-bottom: 0.3rem !important;
}

.input-group {
    display: flex !important;
    flex-direction: column !important;
}

.input-group label {
    font-size: 0.65rem !important;
    font-weight: 500 !important;
    color: var(--text-secondary) !important;
    margin-bottom: 0.15rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
}

.input-group input {
    padding: 0.3rem 0.4rem !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 0.2rem !important;
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    font-size: 0.75rem !important;
    font-family: 'JetBrains Mono', monospace !important;
    transition: all 0.2s ease !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.input-group input:focus {
    outline: none !important;
    border-color: #ff6b35 !important;
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2) !important;
}

/* Timing Footer Section */
.timing-footer-section {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-top: 0.3rem !important;
}

/* Timing Options Section - Compact checkboxes */
.timing-options {
    display: flex !important;
    gap: 0.5rem !important;
    flex-wrap: wrap !important;
}

.checkbox-option {
    display: flex !important;
    align-items: center !important;
    gap: 0.25rem !important;
    font-size: 0.7rem !important;
    color: var(--text-secondary) !important;
    cursor: pointer !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    white-space: nowrap !important;
    line-height: 1.3 !important;
}

.checkbox-option input[type="checkbox"] {
    width: 0.75rem !important;
    height: 0.75rem !important;
    accent-color: #ff6b35 !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 0.125rem !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background: var(--bg-primary) !important;
    position: relative !important;
    transition: all 0.2s ease !important;
    margin: 0 !important;
    flex-shrink: 0 !important;
    vertical-align: middle !important;
    align-self: center !important;
}

.checkbox-option input[type="checkbox"]:checked {
    background: #ff6b35 !important;
    border-color: #ff6b35 !important;
}

.checkbox-option input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.5rem;
    font-weight: bold;
    line-height: 1;
}

/* Timing Actions Section - Simplified without Details button */
.timing-actions {
    display: flex !important;
    align-items: center !important;
    gap: 0.3rem !important;
    justify-content: flex-end !important;
}

/* Timing Content Panel - Controls timing content visibility via tabs */
.timing-content {
    margin-top: 0.5rem !important;
    padding: 0.6rem !important;
    background: var(--bg-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 0.4rem !important;
    border-top: 3px solid #ff6b35 !important;
}

/* Legacy timing-details support */
.timing-details {
    margin-top: 0.5rem !important;
    padding: 0.6rem !important;
    background: var(--bg-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 0.4rem !important;
    border-top: 3px solid #ff6b35 !important;
}

.details-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) !important;
    gap: 0.6rem !important;
}

.details-section {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.3rem !important;
}

.details-section h6 {
    margin: 0 !important;
    font-size: 0.7rem !important;
    font-weight: 600 !important;
    color: #ff6b35 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    padding-bottom: 0.15rem !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.details-section .input-group {
    margin-bottom: 0 !important;
}

.details-section .checkbox-group {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.25rem !important;
}

/* Dark Theme Support */
[data-theme="dark"] .timing-header {
    background: #2a2a2a !important;
    border-color: #404040 !important;
}

[data-theme="dark"] .timing-row {
    background: #2a2a2a !important;
    border-color: #404040 !important;
}

[data-theme="dark"] .timing-row:hover {
    border-color: #ff6b35 !important;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2) !important;
}

[data-theme="dark"] .input-group input {
    background: #1a1a1a !important;
    border-color: #404040 !important;
    color: #e0e0e0 !important;
}

[data-theme="dark"] .input-group input:focus {
    border-color: #ff6b35 !important;
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2) !important;
}

[data-theme="dark"] .timing-content,
[data-theme="dark"] .timing-details {
    background: #1a1a1a !important;
    border-color: #404040 !important;
}

[data-theme="dark"] .details-section h6 {
    border-bottom-color: #404040 !important;
}

[data-theme="dark"] .details-section .input-group input {
    background: #2a2a2a !important;
    border-color: #404040 !important;
    color: #e0e0e0 !important;
}

[data-theme="dark"] .details-section .input-group input:focus {
    border-color: #ff6b35 !important;
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2) !important;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .timing-list {
        /* Already single column layout */
    }
}

@media (max-width: 768px) {
    .timing-quick-inputs {
        grid-template-columns: 1fr !important;
        gap: 0.375rem !important;
    }
    
    .timing-header-section {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.5rem !important;
    }
    
    .timing-footer-section {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.5rem !important;
    }
    
    .timing-actions {
        justify-content: center !important;
    }
    
    .timing-options {
        justify-content: center !important;
    }
    
    .details-grid {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 480px) {
    .timing-row {
        padding: 0.5rem !important;
    }
    
    .input-group label {
        font-size: 0.65rem !important;
    }
    
    .input-group input {
        font-size: 0.75rem !important;
        padding: 0.3rem 0.4rem !important;
    }
}

/* DisplayID 2.0 Enhanced Features Styling */
.displayid-version-info {
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.info-panel {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(147, 51, 234, 0.05) 100%);
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.info-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 1rem 1rem 0 0;
}

.info-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.info-icon {
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

.info-header strong {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
}

.feature-item {
    background: var(--bg-secondary);
    border-radius: 0.75rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-color);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-item h7 {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.feature-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-item li {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.4;
}

.feature-item li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-size: 0.7rem;
    top: 0.1rem;
}

.feature-item li strong {
    color: var(--text-primary);
    font-weight: 600;
}

.version-comparison {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.version-comparison h7 {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--accent-primary), #60a5fa);
}

.comparison-table th {
    color: white;
    font-weight: 600;
    padding: 1rem;
    text-align: left;
    font-size: 0.9rem;
}

.comparison-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.comparison-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.05);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

/* DisplayID 2.0 Enhanced Form Features */
.displayid-v20-features {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.version-info-banner {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.version-info-banner .info-icon {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.version-info-banner strong {
    display: block;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.version-info-banner p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
    font-size: 0.9rem;
}

.form-section h7 {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}

.form-section h7::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 3rem;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 1px;
}

.chromaticity-grid-v20 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.chromaticity-group {
    background: var(--bg-tertiary);
    border-radius: 0.75rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.chromaticity-group:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-color);
    border-color: rgba(59, 130, 246, 0.3);
}

.chromaticity-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.chromaticity-group input {
    width: 100%;
    margin-bottom: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.chromaticity-group input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

.chromaticity-group input:last-of-type {
    margin-bottom: 0.75rem;
}

.chromaticity-group .help-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
    padding-left: 0;
}

.chromaticity-group .help-text::before {
    display: none;
}

/* Dark theme adjustments for DisplayID 2.0 */
[data-theme="dark"] .info-panel {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(147, 51, 234, 0.08) 100%);
    border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .feature-item {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] .feature-item:hover {
    border-color: rgba(59, 130, 246, 0.5);
}

[data-theme="dark"] .comparison-table {
    background: rgba(30, 41, 59, 0.9);
}

[data-theme="dark"] .comparison-table td {
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] .comparison-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .version-info-banner {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
    border-color: rgba(16, 185, 129, 0.4);
}

[data-theme="dark"] .chromaticity-group {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] .chromaticity-group:hover {
    border-color: rgba(59, 130, 246, 0.5);
}

[data-theme="dark"] .chromaticity-group input {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] .chromaticity-group input:focus {
    border-color: var(--accent-primary);
    background: rgba(15, 23, 42, 0.9);
}

/* Compact-specific HTML classes used throughout the app */
.compact-unified {
    margin-bottom: var(--compact-margin-group);
    padding: var(--compact-padding-block);
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--compact-gap-grid);
    align-items: start;
}

.compact-section {
    display: flex;
    flex-direction: column;
    gap: var(--compact-gap-small);
}

.compact-section:first-child {
    padding-right: var(--compact-gap-small);
}

.compact-section:nth-child(2),
.compact-section:nth-child(3) {
    padding: 0 var(--compact-gap-small);
}

.compact-section:last-child {
    padding-left: var(--compact-gap-small);
}

.compact-label {
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: var(--compact-gap-small);
    line-height: 1.2;
}

.compact-select {
    padding: var(--compact-padding-input);
    border: 1px solid var(--border-color);
    border-radius: 0.3rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--compact-font-input);
    transition: all 0.2s ease;
    width: 100%;
}

.compact-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

/* Preset select specific styling to match form elements exactly */
#presetFormat {
    padding: var(--compact-padding-input);
    border: 1px solid var(--border-color);
    border-radius: 0.3rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--compact-font-input);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    height: auto;
    min-height: calc(var(--compact-font-input) + (var(--compact-padding-input) * 2) + 2px);
}

#presetFormat:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1), 0 2px 6px var(--shadow-color);
    outline: none;
    background: var(--bg-secondary);
}

#presetFormat:invalid {
    border-color: #ef4444;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1);
}

#presetFormat:valid {
    border-color: #10b981;
}

.compact-checkbox {
    display: flex;
    align-items: center;
    gap: var(--compact-gap-small);
    cursor: pointer;
    padding: 0.125rem;
    border-radius: 0.3rem;
    transition: all 0.2s ease;
    line-height: 1.3;
    min-height: auto;
}

.compact-checkbox input[type="checkbox"] {
    width: 0.875rem;
    height: 0.875rem;
    accent-color: var(--accent-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.125rem;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: var(--bg-primary);
    position: relative;
    transition: all 0.2s ease;
    margin: 0;
    flex-shrink: 0;
    vertical-align: middle;
    align-self: center;
}

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

.compact-checkbox input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.625rem;
    font-weight: bold;
    line-height: 1;
}

.compact-checkbox-text {
    font-size: var(--compact-font-input);
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.3;
    margin: 0;
    align-self: center;
    display: flex;
    align-items: center;
}

.compact-checkbox:hover {
    background: rgba(59, 130, 246, 0.05);
}

.btn-compact {
    padding: var(--compact-padding-input);
    font-size: var(--compact-font-input);
    border-radius: 0.3rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.preset-grid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--compact-gap-small);
    margin-bottom: var(--compact-margin-group);
}

.preset-btn-compact {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--compact-padding-input);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    color: var(--text-primary);
    cursor: pointer;
    font-size: var(--compact-font-input);
    font-weight: 500;
    transition: all 0.2s ease;
    min-height: 2.5rem;
}

.preset-btn-compact:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.preset-btn-compact .hz {
    font-size: var(--compact-font-help);
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

/* Dynamically generated classes used in JavaScript */
.descriptor-slot {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin: 0;
    transition: all 0.3s ease;
    height: auto;
    min-height: 200px;
    display: flex;
    flex-direction: column;
}

.descriptor-slot.modern-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(59, 130, 246, 0.02) 100%);
    padding: var(--compact-padding-section);
    box-shadow: 0 2px 8px var(--shadow-color);
    border: 2px solid var(--border-color);
}

.descriptor-slot:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow-color);
    border-color: rgba(59, 130, 246, 0.3);
}

/* Specific positioning for grid corners */
.descriptor-slot:nth-child(1) {
    /* Top-left corner - Blue */
    border-top-left-radius: 0.8rem;
    border-left: 3px solid #3b82f6;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(59, 130, 246, 0.03) 100%);
}

.descriptor-slot:nth-child(2) {
    /* Top-right corner - Green */
    border-top-right-radius: 0.8rem;
    border-right: 3px solid #10b981;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(16, 185, 129, 0.03) 100%);
}

.descriptor-slot:nth-child(3) {
    /* Bottom-left corner - Orange */
    border-bottom-left-radius: 0.8rem;
    border-left: 3px solid #f59e0b;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(245, 158, 11, 0.03) 100%);
}

.descriptor-slot:nth-child(4) {
    /* Bottom-right corner - Red */
    border-bottom-right-radius: 0.8rem;
    border-right: 3px solid #ef4444;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(239, 68, 68, 0.03) 100%);
}

.slot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--compact-margin-group);
    padding-bottom: var(--compact-gap-small);
    border-bottom: 1px solid var(--border-color);
}

.slot-title {
    display: flex;
    align-items: center;
    gap: var(--compact-gap-small);
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--compact-font-h5);
}

.slot-icon {
    font-size: var(--compact-font-h4);
}

.descriptor-controls {
    margin-bottom: var(--compact-margin-group);
}

.descriptor-content {
    background: var(--bg-tertiary);
    border-radius: 0.3rem;
    padding: var(--compact-padding-block);
    border: 1px solid var(--border-color);
    flex: 1;
}

.descriptor-editor-content {
    margin-top: var(--compact-margin-group);
    flex: 1;
}

.modern-select {
    width: 100%;
    padding: var(--compact-padding-input);
    border: 1px solid var(--border-color);
    border-radius: 0.3rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--compact-font-input);
    transition: all 0.2s ease;
}

.modern-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

/* Validation result classes */
.validation-status {
    padding: var(--compact-padding-block);
    border-radius: 0.5rem;
    margin-bottom: var(--compact-margin-group);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--compact-gap-small);
}

.validation-status.valid {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.validation-status.invalid {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.validation-section {
    margin-bottom: var(--compact-margin-group);
    padding: var(--compact-padding-block);
    border-radius: 0.3rem;
    border: 1px solid var(--border-color);
}

.validation-section.errors {
    background: rgba(239, 68, 68, 0.05);
    border-color: rgba(239, 68, 68, 0.2);
}

.validation-section.warnings {
    background: rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.2);
}

.validation-section.info {
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
}

.validation-section.success {
    background: rgba(16, 185, 129, 0.05);
    border-color: rgba(16, 185, 129, 0.2);
}

/* Summary and stats styling */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--compact-gap-grid);
    margin-bottom: var(--compact-margin-section);
}

.summary-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: var(--compact-padding-block);
    text-align: center;
    transition: all 0.2s ease;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow-color);
}

.summary-value {
    font-size: var(--compact-font-h5);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--compact-gap-small);
}

.summary-stats {
    display: flex;
    gap: var(--compact-gap-grid);
    flex-wrap: wrap;
    margin-top: var(--compact-gap-small);
}

.stat-item {
    background: var(--bg-primary);
    padding: var(--compact-gap-small) var(--compact-padding-input);
    border-radius: 0.3rem;
    border: 1px solid var(--border-color);
    font-size: var(--compact-font-input);
    font-weight: 500;
}

/* Preview text states */


/* Flash animation */
.flash {
    animation: flashAnimation 0.3s ease;
}

@keyframes flashAnimation {
    0% { background-color: var(--bg-primary); }
    50% { background-color: rgba(59, 130, 246, 0.2); }
    100% { background-color: var(--bg-primary); }
}

/* Utility classes for flexible widget arrangements */
.widget-inline {
    display: inline-flex;
    align-items: center;
    gap: var(--compact-gap-small);
    margin-right: var(--compact-gap-grid);
    margin-bottom: var(--compact-gap-small);
}

.widget-stack {
    display: flex;
    flex-direction: column;
    gap: var(--compact-gap-small);
}

.widget-cluster {
    display: flex;
    flex-wrap: wrap;
    gap: var(--compact-gap-small);
    align-items: flex-start;
}

.widget-split {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--compact-gap-grid);
    align-items: center;
}

.widget-dense {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--compact-gap-small);
}

.no-margin { margin: 0 !important; }
.no-padding { padding: 0 !important; }
.small-gap { gap: var(--compact-gap-small) !important; }
.tiny-gap { gap: 0.1rem !important; }

.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }
.flex-grow { flex-grow: 1; }

.min-w-0 { min-width: 0; }
.w-full { width: 100%; }
.h-auto { height: auto; }

.text-xs { font-size: var(--compact-font-help) !important; }
.text-sm { font-size: var(--compact-font-input) !important; }

/* Dark theme support for compact classes */
[data-theme="dark"] .compact-unified {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] .compact-select {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] #presetFormat {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] #presetFormat:focus {
    background: rgba(30, 41, 59, 0.8);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1), 0 2px 6px var(--shadow-color);
}

[data-theme="dark"] .compact-checkbox:hover {
    background: rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .preset-btn-compact {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] .preset-btn-compact:hover {
    background: rgba(51, 65, 85, 0.8);
    border-color: var(--accent-primary);
}

[data-theme="dark"] .descriptor-slot.modern-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(59, 130, 246, 0.05) 100%);
}

/* Dark theme corner styling */
[data-theme="dark"] .descriptor-slot:nth-child(1) {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(59, 130, 246, 0.08) 100%);
}

[data-theme="dark"] .descriptor-slot:nth-child(2) {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(16, 185, 129, 0.08) 100%);
}

[data-theme="dark"] .descriptor-slot:nth-child(3) {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(245, 158, 11, 0.08) 100%);
}

[data-theme="dark"] .descriptor-slot:nth-child(4) {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(239, 68, 68, 0.08) 100%);
}

[data-theme="dark"] .descriptor-content {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] .validation-section {
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] .summary-card {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] .stat-item {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(71, 85, 105, 0.5);
}



/* Dark theme checkbox styling */
[data-theme="dark"] .checkbox-label input[type="checkbox"],
[data-theme="dark"] .compact-checkbox input[type="checkbox"],
[data-theme="dark"] .checkbox-option input[type="checkbox"],
[data-theme="dark"] .displayid-data-block .checkbox-label input[type="checkbox"] {
    background: rgba(30, 41, 59, 0.8) !important;
    border-color: rgba(71, 85, 105, 0.5) !important;
}

[data-theme="dark"] .checkbox-label input[type="checkbox"]:focus,
[data-theme="dark"] .compact-checkbox input[type="checkbox"]:focus,
[data-theme="dark"] .checkbox-option input[type="checkbox"]:focus,
[data-theme="dark"] .displayid-data-block .checkbox-label input[type="checkbox"]:focus {
    outline-color: rgba(59, 130, 246, 0.5) !important;
}

/* Enhanced compact DisplayID blocks */
.displayid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0.4rem;
}

.displayid-compact .displayid-data-block {
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.displayid-compact .data-block-header {
    padding: 0.4rem 0.6rem 0.3rem 0.6rem;
}

.displayid-compact .data-block-content {
    padding: 0.4rem;
}

.displayid-compact .form-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.25rem;
    margin-bottom: 0.3rem;
}

/* Super compact timing entries */
.timing-entry-compact {
    border-radius: 0.3rem;
    margin-bottom: 0.3rem;
}

.timing-entry-compact .timing-entry-header {
    padding: 0.3rem 0.5rem;
}

.timing-entry-compact .timing-entry-content {
    padding: 0.3rem 0.5rem 0.5rem 0.5rem;
}

.timing-entry-compact .form-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.25rem;
    margin-bottom: 0.3rem;
}

.timing-entry-compact .checkbox-group {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 0.2rem;
    margin-top: 0.2rem;
}

/* Ultra compact DisplayID timing blocks */
.displayid-compact .timing-header {
    padding: 0.4rem 0.6rem;
    margin-bottom: 0.3rem;
}

.displayid-compact .timing-header h6 {
    font-size: 0.9rem;
    margin: 0;
}

.displayid-compact .timing-header .add-timing-btn {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    min-height: 2rem;
}

.displayid-compact .timing-list {
    gap: 0.3rem;
}

.displayid-compact .timing-row {
    padding: 0.4rem;
    margin-bottom: 0.3rem;
    border-radius: 0.4rem;
}

.displayid-compact .timing-header-section {
    padding: 0.3rem 0.4rem;
    margin-bottom: 0.3rem;
}

.displayid-compact .timing-info {
    gap: 0.3rem;
}

.displayid-compact .timing-label {
    font-size: 0.85rem;
    font-weight: 600;
}

.displayid-compact .timing-summary {
    font-size: 0.75rem;
    color: #64748b;
}

.displayid-compact .timing-quick-inputs {
    gap: 0.3rem;
    margin-top: 0.3rem;
}

.displayid-compact .input-group {
    margin-bottom: 0.2rem;
}

.displayid-compact .input-group label {
    font-size: 0.75rem;
    margin-bottom: 0.1rem;
}

.displayid-compact .input-group input {
    padding: 0.3rem 0.5rem;
    font-size: 0.8rem;
    min-height: 1.8rem;
}

.displayid-compact .timing-footer-section {
    padding: 0.3rem 0.4rem;
    margin-top: 0.3rem;
    border-top: 1px solid #e5e7eb;
}

.displayid-compact .timing-options {
    gap: 0.4rem;
}

.displayid-compact .checkbox-option {
    margin-bottom: 0.2rem;
}

.displayid-compact .checkbox-option span {
    font-size: 0.75rem;
}

.displayid-compact .timing-actions {
    gap: 0.3rem;
    margin-top: 0.3rem;
}

.displayid-compact .timing-details {
    margin-top: 0.3rem;
    padding: 0.4rem;
    border-radius: 0.3rem;
}

.displayid-compact .details-grid {
    gap: 0.3rem;
}

.displayid-compact .details-section {
    margin-bottom: 0.3rem;
}

.displayid-compact .details-section h6 {
    font-size: 0.8rem;
    margin-bottom: 0.3rem;
}

.displayid-compact .details-section .input-group {
    margin-bottom: 0.2rem;
}

.displayid-compact .details-section .input-group label {
    font-size: 0.7rem;
}

.displayid-compact .details-section .input-group input {
    padding: 0.2rem 0.4rem;
    font-size: 0.75rem;
    min-height: 1.6rem;
}

.displayid-compact .details-section .checkbox-group {
    gap: 0.3rem;
    margin-top: 0.2rem;
}

/* Ultra compact warning messages */
.displayid-compact .timing-warning {
    padding: 0.3rem 0.5rem;
    margin-bottom: 0.3rem;
    border-radius: 0.3rem;
}

.displayid-compact .warning-text {
    font-size: 0.75rem;
}

.displayid-compact .warning-icon {
    width: 1rem;
    height: 1rem;
}

/* Make buttons more compact */
.displayid-compact .btn-remove-timing {
    padding: 0.2rem 0.4rem;
    font-size: 0.75rem;
    min-height: 1.8rem;
}

.displayid-compact .btn-toggle-details {
    padding: 0.2rem 0.4rem;
    font-size: 0.75rem;
    min-height: 1.8rem;
}

/* Responsive adjustments for DisplayID 2.0 features */
@media (max-width: 768px) {
    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 0.5rem;
    }
    
    .chromaticity-grid-v20 {
        grid-template-columns: 1fr;
        gap: 0.6rem;
    }
    
    .comparison-table {
        font-size: 0.75rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.5rem 0.3rem;
    }
    
    .version-info-banner {
        flex-direction: row;
        gap: 0.5rem;
    }
    
    .version-info-banner .info-icon {
        align-self: flex-start;
    }
    
    .compact-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--compact-gap-small);
    }
    
    .preset-grid-compact {
        grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
        gap: var(--compact-gap-small);
    }
    
    .displayid-compact {
        grid-template-columns: 1fr;
        gap: 0.3rem;
    }
    
    .widget-cluster {
        flex-direction: column;
        align-items: stretch;
    }
    
    .widget-split {
        grid-template-columns: 1fr;
        gap: var(--compact-gap-small);
    }
    
    .widget-dense {
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    }
}

@media (max-width: 480px) {
    .displayid-v20-features {
        padding-top: 1.5rem;
    }
    
    .form-section h7 {
        font-size: 1rem;
    }
    
    .feature-item {
        padding: 1rem;
    }
    
    .chromaticity-group {
        padding: 1rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.5rem 0.25rem;
        font-size: 0.75rem;
    }
    
    .compact-section {
        padding: 0 !important;
    }
    
    .preset-btn-compact {
        min-height: 2.5rem;
        font-size: var(--compact-font-help);
    }
}

.btn-unused-slot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: #f59e0b;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-unused-slot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f59e0b;
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
}

.btn-unused-slot:hover {
    border-color: #f59e0b;
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

.btn-unused-slot:hover::before {
    transform: scale(1);
}

.btn-unused-slot:hover {
    color: white;
}

/* High-Resolution Timing Styles */
.high-res-timing {
    border-left: 4px solid #3b82f6;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.ultra-hd-timing {
    border-left: 4px solid #8b5cf6;
    background: linear-gradient(135deg, #faf5ff 0%, #e9d5ff 100%);
    position: relative;
}

.ultra-hd-timing::before {
    content: "8K";
    position: absolute;
    top: 8px;
    right: 8px;
    background: #8b5cf6;
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.timing-warning {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 16px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 1px solid #f59e0b;
    border-radius: 8px;
    border-left: 4px solid #f59e0b;
}

.warning-icon {
    font-size: 16px;
    color: #d97706;
    flex-shrink: 0;
    margin-top: 2px;
}

.warning-text {
    font-size: 13px;
    line-height: 1.4;
    color: #92400e;
}

.warning-text strong {
    color: #78350f;
    font-weight: 600;
}

/* High bandwidth input styling */
input[data-high-bandwidth="true"] {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #f59e0b;
}

input[data-high-bandwidth="true"]:focus {
    border-color: #d97706;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

/* Timing summary improvements */
.timing-summary {
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
    margin-top: 4px;
}

.ultra-hd-timing .timing-summary {
    color: #7c3aed;
    font-weight: 700;
}

.high-res-timing .timing-summary {
    color: #1d4ed8;
    font-weight: 600;
}

/* DisplayID Extension - Enhanced Layout Styles */

/* Configuration Section */
.displayid-config-section {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.config-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.2rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-bottom: 1px solid var(--border-color);
}

.config-header h6 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.config-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-collapse {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 0.5rem;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.8rem;
    color: var(--text-primary);
}

.btn-collapse:hover {
    background: rgba(139, 92, 246, 0.2);
    transform: translateY(-1px);
}

.collapse-icon {
    transition: transform 0.2s ease;
}

.config-content {
    padding: 1.2rem;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

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

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

.config-group .modern-select,
.config-group .modern-input {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.config-group .modern-select:focus,
.config-group .modern-input:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.config-group .help-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Version Info Panel */
.displayid-version-info {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: 1rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
    overflow: hidden;
}

.info-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.2rem;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
}

.info-header h6 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-content {
    padding: 1.2rem;
}

.feature-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-highlight {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 0.5rem;
    border: 1px solid rgba(139, 92, 246, 0.2);
    font-weight: 500;
    color: var(--text-primary);
}

.feature-icon {
    font-size: 1.2rem;
}

.version-note {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 0.5rem;
    padding: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.version-note p {
    margin: 0;
}

/* Data Blocks Section */
.displayid-data-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.data-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.2rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-bottom: 1px solid var(--border-color);
}

.data-section-header h6 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.data-section-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-add-multiple {
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    color: white;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-add-multiple:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-1px);
}

/* Quick Add Section */
.quick-add-section {
    padding: 1.2rem;
}

.quick-add-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.quick-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    color: var(--text-secondary);
}

.quick-tab:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.3);
    color: var(--text-primary);
}

.quick-tab.active {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    border-color: #8b5cf6;
    color: white;
}

.tab-icon {
    font-size: 1.1rem;
}

.quick-add-content {
    position: relative;
    min-height: 200px;
}

.quick-blocks {
    display: none;
    animation: fadeIn 0.3s ease;
}

.quick-blocks.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.block-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.quick-block-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    color: var(--text-primary);
}

.quick-block-btn:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.15);
}

.block-icon {
    font-size: 1.5rem;
}

.block-name {
    font-weight: 600;
    font-size: 0.9rem;
}

/* Traditional Dropdown Section */
.dropdown-section {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.dropdown-section .modern-select {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.dropdown-section .modern-select:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.btn-add-displayid-block {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    color: white;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-add-displayid-block:hover {
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    transform: translateY(-1px);
}

/* Data Blocks Container */
.displayid-data-blocks-container {
    padding: 1.2rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .config-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-highlights {
        grid-template-columns: 1fr;
    }
    
    .quick-add-tabs {
        flex-wrap: wrap;
    }
    
    .quick-tab {
        flex: 1;
        justify-content: center;
        min-width: 100px;
    }
    
    .block-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .dropdown-section {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .btn-add-displayid-block {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .config-header,
    .info-header,
    .data-section-header {
        padding: 0.75rem;
    }
    
    .config-content,
    .info-content,
    .quick-add-section {
        padding: 0.75rem;
    }
    
    .quick-add-tabs {
        gap: 0.25rem;
    }
    
    .quick-tab {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .block-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 0.5rem;
    }
    
    .quick-block-btn {
        padding: 0.75rem;
    }
    
    .block-icon {
        font-size: 1.2rem;
    }
    
    .block-name {
        font-size: 0.8rem;
    }
}

/* Dark Theme Support */
[data-theme="dark"] .displayid-config-section,
[data-theme="dark"] .displayid-version-info,
[data-theme="dark"] .displayid-data-section {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    border-color: #374151;
}

[data-theme="dark"] .config-header,
[data-theme="dark"] .info-header,
[data-theme="dark"] .data-section-header {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
    border-color: #374151;
}

[data-theme="dark"] .feature-highlight {
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.3);
}

[data-theme="dark"] .version-note {
    background: rgba(255, 193, 7, 0.15);
    border-color: rgba(255, 193, 7, 0.4);
}

[data-theme="dark"] .quick-tab {
    border-color: #374151;
    color: #9ca3af;
}

[data-theme="dark"] .quick-tab:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.4);
    color: #f3f4f6;
}

[data-theme="dark"] .quick-block-btn {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    border-color: #374151;
    color: #f3f4f6;
}

[data-theme="dark"] .quick-block-btn:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
    border-color: rgba(139, 92, 246, 0.4);
}

[data-theme="dark"] .dropdown-section .modern-select,
[data-theme="dark"] .config-group .modern-select,
[data-theme="dark"] .config-group .modern-input {
    background: #1f2937;
    border-color: #374151;
    color: #f3f4f6;
}

[data-theme="dark"] .dropdown-section .modern-select:focus,
[data-theme="dark"] .config-group .modern-select:focus,
[data-theme="dark"] .config-group .modern-input:focus {
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

/* Detailed Timing Form - Type I DisplayID Timing */
.detailed-timing-form {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 0;
    margin-bottom: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.detailed-timing-form:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border-color: rgba(139, 92, 246, 0.4);
}

.detailed-timing-form.compact {
    margin-bottom: 0.75rem;
}

/* Timing Parameters Section */
.timing-parameters {
    padding: 1.25rem;
}

.timing-parameters.compact {
    padding: 1rem;
}

/* Enhanced Timing Grid Layout - Perfect Alignment System */
.timing-grid-4col {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: start;
}

/* Responsive Grid Layout - Maintains Perfect Alignment */
@media (max-width: 1400px) {
    .timing-grid-4col {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.875rem;
    }
}

@media (max-width: 1024px) {
    .timing-grid-4col {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.75rem;
    }
}

@media (max-width: 640px) {
    .timing-grid-4col {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
}

/* Enhanced Form Groups for Perfect Alignment */
.timing-grid-4col .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    min-height: 70px;
    justify-content: flex-start;
}

.timing-grid-4col .form-group.compact {
    gap: 0.25rem;
    min-height: 65px;
}

.timing-grid-4col .form-group label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin: 0;
    padding: 0;
    line-height: 1.2;
    height: 16px;
    display: flex;
    align-items: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.timing-grid-4col .form-group input,
.timing-grid-4col .form-group select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1.5px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-sizing: border-box;
    height: 44px;
    line-height: 1.4;
}

.timing-grid-4col .form-group input:focus,
.timing-grid-4col .form-group select:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12);
    background: var(--bg-secondary);
    transform: translateY(-1px);
}

.timing-grid-4col .form-group input:hover,
.timing-grid-4col .form-group select:hover {
    border-color: rgba(139, 92, 246, 0.4);
}

.timing-grid-4col .form-group input[data-high-bandwidth="true"] {
    border-color: #f59e0b;
    background: rgba(245, 158, 11, 0.03);
}

.timing-grid-4col .form-group input[data-high-bandwidth="true"]:focus {
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.12);
}

/* Enhanced Timing Header */
.detailed-timing-form .timing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.detailed-timing-form .timing-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1.25rem;
    right: 1.25rem;
    height: 2px;
    background: linear-gradient(90deg, #8b5cf6, #06b6d4);
    border-radius: 1px;
    opacity: 0.3;
}

.detailed-timing-form .timing-header.compact {
    padding: 0.75rem 1rem;
}

.detailed-timing-form .timing-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detailed-timing-form .timing-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: #8b5cf6;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin: 0;
}

.detailed-timing-form .timing-summary {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
}

/* Remove Button Enhancement */
.remove-timing-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2);
    flex-shrink: 0;
}

.remove-timing-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

/* Enhanced Timing Options with Perfect Grid Alignment */
.detailed-timing-form .timing-options {
    margin-top: 0.5rem;
    padding: 0;
}

.detailed-timing-form .timing-options.compact {
    margin-top: 0.25rem;
}

.detailed-timing-form .checkbox-group {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    align-items: center;
    padding: 1rem;
    background: rgba(139, 92, 246, 0.02);
    border-radius: 0.75rem;
    border: 1px solid rgba(139, 92, 246, 0.08);
}

/* Responsive Checkbox Grid - Matches Main Grid */
@media (max-width: 1400px) {
    .detailed-timing-form .checkbox-group {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.875rem;
    }
}

@media (max-width: 1024px) {
    .detailed-timing-form .checkbox-group {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.75rem;
    }
}

@media (max-width: 640px) {
    .detailed-timing-form .checkbox-group {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 0.75rem;
    }
}

.detailed-timing-form .checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    min-height: 40px;
    justify-content: flex-start;
}

.detailed-timing-form .checkbox-label:hover {
    background: rgba(139, 92, 246, 0.05);
    transform: translateY(-1px);
}

.detailed-timing-form .checkbox-label.compact {
    padding: 0.375rem;
    min-height: 36px;
}

.detailed-timing-form .checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    padding: 0;
    border: 2px solid var(--border-color);
    border-radius: 0.25rem;
    background: var(--bg-primary);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.detailed-timing-form .checkbox-label input[type="checkbox"]:checked {
    background: #8b5cf6;
    border-color: #8b5cf6;
    transform: scale(1.05);
}

.detailed-timing-form .checkbox-label input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
    line-height: 1;
}

.detailed-timing-form .checkbox-label input[type="checkbox"]:checked + span {
    color: #8b5cf6;
    font-weight: 700;
}

.detailed-timing-form .checkbox-label span {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* High-Resolution Timing Indicators */
.detailed-timing-form.high-res-timing {
    border-color: #f59e0b;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.detailed-timing-form.ultra-hd-timing {
    border-color: #ef4444;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(239, 68, 68, 0.05) 100%);
}

.detailed-timing-form.ultra-hd-timing::before {
    content: '🚀';
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    font-size: 1.2rem;
}

/* Timing Warning */
.detailed-timing-form .timing-warning {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 0.5rem;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-primary);
}

.detailed-timing-form .timing-warning.compact {
    padding: 0.5rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
}

.detailed-timing-form .warning-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.detailed-timing-form .warning-text {
    flex: 1;
}

.detailed-timing-form .warning-text strong {
    color: #f59e0b;
    font-weight: 700;
}

/* Dark Theme Enhancements */
[data-theme="dark"] .detailed-timing-form {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-color: var(--border-color);
}

[data-theme="dark"] .detailed-timing-form .timing-header {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.12) 0%, rgba(6, 182, 212, 0.12) 100%);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .detailed-timing-form .checkbox-group {
    background: rgba(139, 92, 246, 0.05);
    border-color: rgba(139, 92, 246, 0.12);
}

[data-theme="dark"] .timing-grid-4col .form-group input,
[data-theme="dark"] .timing-grid-4col .form-group select {
    background: #1f2937;
    border-color: #374151;
    color: #f3f4f6;
}

[data-theme="dark"] .timing-grid-4col .form-group input:focus,
[data-theme="dark"] .timing-grid-4col .form-group select:focus {
    background: #111827;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

[data-theme="dark"] .timing-grid-4col .form-group input[data-high-bandwidth="true"] {
    background: rgba(245, 158, 11, 0.1);
    border-color: #f59e0b;
}

[data-theme="dark"] .detailed-timing-form.high-res-timing {
    background: linear-gradient(135deg, #1f2937 0%, rgba(245, 158, 11, 0.1) 100%);
    border-color: #f59e0b;
}

[data-theme="dark"] .detailed-timing-form.ultra-hd-timing {
    background: linear-gradient(135deg, #1f2937 0%, rgba(239, 68, 68, 0.1) 100%);
    border-color: #ef4444;
}

[data-theme="dark"] .detailed-timing-form .timing-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.4);
}

/* DisplayID Data Blocks Controls (CEA-style) */
.displayid-data-blocks {
    margin-top: 1.5rem;
}

.displayid-data-blocks h6 {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.displayid-data-blocks h6::before {
    content: '📋';
    font-size: 1.2rem;
}

.data-blocks-controls {
    display: flex;
    gap: 0.75rem;
    align-items: stretch;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

/* Type I Timing Form Container */
.type-i-timing-form {
    width: 100%;
}

.type-i-timing-form .timing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding: 0.75rem 0;
}

.type-i-timing-form .timing-header h6 {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.type-i-timing-form .add-timing-btn {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.type-i-timing-form .add-timing-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
    background: linear-gradient(135deg, #059669, #047857);
}

.type-i-timing-form .timing-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.data-blocks-controls .displayid-block-type-select {
    flex: 1;
    min-width: 250px;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.data-blocks-controls .displayid-block-type-select:focus {
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
    outline: none;
}

.data-blocks-controls .btn-add-displayid-block {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.data-blocks-controls .btn-add-displayid-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.3);
}

.data-blocks-controls .btn-add-displayid-block:active {
    transform: translateY(0);
}

/* Mobile responsiveness for data blocks controls */
@media (max-width: 768px) {
    .data-blocks-controls {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .data-blocks-controls .displayid-block-type-select {
        min-width: unset;
    }
}