.presets-section {
    margin-bottom: var(--space-md);
}

.presets-label {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: var(--space-sm);
}

.presets-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.preset-chip {
    padding: 0.25rem 0.6rem !important;
    font-size: 0.7rem !important;
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-secondary) !important;
    border-radius: var(--radius-full) !important;
    box-shadow: none !important;
    cursor: pointer;
    transition: all var(--transition-fast) !important;
}

.preset-chip:hover {
    border-color: var(--primary) !important;
    color: var(--primary) !important;
    background: var(--primary-glow) !important;
    transform: none !important;
    box-shadow: none !important;
}

.regex-input-row {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 0.5rem 0.75rem;
    transition: border-color var(--transition-fast);
}

.regex-input-row:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.regex-slash {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-lg);
    color: var(--primary);
    font-weight: 700;
    user-select: none;
}

.regex-input-row input {
    flex: 1;
    background: transparent !important;
    border: none !important;
    padding: 0.25rem !important;
    margin: 0 !important;
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-sm);
    color: var(--text-primary);
    outline: none !important;
    box-shadow: none !important;
}

.flags-input {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}

.flag-toggle {
    cursor: pointer;
    display: flex;
}

.flag-toggle input { display: none; }

.flag-toggle span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: var(--radius-md);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.flag-toggle input:checked + span {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-glow);
}

#testInput {
    font-family: 'JetBrains Mono', monospace;
    min-height: 150px;
}

.match-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.match-count {
    font-size: var(--text-sm);
    color: var(--primary);
    font-weight: 600;
}

.match-count span:first-child {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-lg);
}

.highlight-output {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-md) var(--space-lg);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-sm);
    line-height: 1.8;
    white-space: pre-wrap;
    word-break: break-word;
    min-height: 60px;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.highlight-output:empty { display: none; }

.highlight-output .match-highlight {
    background: rgba(129, 140, 248, 0.25);
    border: 1px solid rgba(129, 140, 248, 0.5);
    border-radius: 3px;
    padding: 0 2px;
    color: var(--primary);
    font-weight: 600;
}

.match-details {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
}

.match-details h3 {
    font-size: var(--text-sm);
    color: var(--primary);
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-sm);
}

.match-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-height: 300px;
    overflow-y: auto;
}

.match-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--text-xs);
}

.match-index {
    font-weight: 700;
    color: var(--primary);
    min-width: 24px;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
}

.match-value {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
    word-break: break-all;
}

.match-position {
    margin-left: auto;
    color: var(--text-tertiary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    flex-shrink: 0;
}

.match-groups {
    margin-top: 4px;
    padding-left: var(--space-md);
}

.match-group {
    font-size: 0.65rem;
    color: var(--text-tertiary);
}

.match-group strong { color: var(--warning); }

@media (max-width: 768px) {
    .regex-input-row { flex-wrap: wrap; }
    .flags-input { width: 100%; justify-content: center; margin-top: var(--space-xs); }
}