/**
 * Tokenization Visualizer
 */

.tok-viz {
    font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    max-width: 580px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--surface-primary, #ffffff);
    border-radius: 16px;
    border: 1px solid var(--border, rgba(0, 0, 0, 0.08));
}

.tok-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary, #888);
    margin-bottom: 0.5rem;
}

.tok-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border, #e0e0e0);
    border-radius: 10px;
    font-family: var(--font-mono, 'SF Mono', Monaco, monospace);
    font-size: 0.9rem;
    resize: vertical;
    color: var(--text-primary, #1d1d1f);
    background: var(--surface-primary, #fff);
    box-sizing: border-box;
}

.tok-textarea:focus {
    outline: none;
    border-color: var(--accent, #2563eb);
}

.tok-presets {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
}

.tok-preset {
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border, #ddd);
    border-radius: 6px;
    background: var(--surface-secondary, #f5f5f7);
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--text-secondary, #555);
    font-family: inherit;
    transition: all 0.15s ease;
}

.tok-preset:hover {
    border-color: var(--accent, #2563eb);
    color: var(--accent, #2563eb);
}

.tok-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.tok-stat {
    text-align: center;
    padding: 0.75rem;
    background: var(--surface-secondary, #f5f5f7);
    border-radius: 10px;
}

.tok-stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--font-mono, 'SF Mono', Monaco, monospace);
    color: var(--accent, #2563eb);
}

.tok-stat-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary, #888);
    margin-top: 0.15rem;
}

.tok-display {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--surface-secondary, #fafafa);
    border-radius: 10px;
    min-height: 48px;
}

.tok-token {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: var(--font-mono, 'SF Mono', Monaco, monospace);
    font-size: 0.85rem;
    color: var(--text-primary, #1d1d1f);
    cursor: help;
    white-space: pre;
    border: 1px solid rgba(0,0,0,0.06);
}

.tok-list {
    border-top: 1px solid var(--border, #eee);
    padding-top: 0.75rem;
}

.tok-list-header {
    font-size: 0.8rem;
    color: var(--text-tertiary, #888);
    margin-bottom: 0.5rem;
}

.tok-list-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.tok-list-item {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-family: var(--font-mono, 'SF Mono', Monaco, monospace);
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
    padding: 0.15rem 0.4rem;
    background: var(--surface-secondary, #f5f5f7);
    border-radius: 4px;
}

.tok-list-idx {
    font-size: 0.6rem;
    color: var(--text-tertiary, #aaa);
    min-width: 1rem;
}

@media (max-width: 600px) {
    .tok-viz {
        padding: 1.25rem;
        margin: 1rem auto;
    }
    .tok-stats {
        grid-template-columns: 1fr;
    }
    .tok-presets {
        flex-wrap: wrap;
    }
}