/* === AI-IMPROVEMENT.CSS ===
 * assets/css/ai-improvement.css
 * НАЗНАЧЕНИЕ: Стили для AI Improvement Center
 * РАЗМЕР: ~200 строк
 */

/* --- Main grid: 2 columns --- */
.tf-ai-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 10px;
    align-content: start;
}

/* --- Card --- */
.tf-ai-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px;
    box-shadow: var(--shadow);
}
.tf-ai-card.full-width {
    grid-column: 1 / -1;
}
.tf-ai-card-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.tf-ai-card-title svg,
.tf-ai-card-title i { width: 14px; height: 14px; flex-shrink: 0; }

/* --- Health Score --- */
.tf-ai-health {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 0;
}
.tf-ai-health-score {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
}
.tf-ai-health-score.good { color: var(--color-success); }
.tf-ai-health-score.warn { color: var(--color-warning); }
.tf-ai-health-score.bad { color: var(--color-danger); }
.tf-ai-health-trend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    margin-top: 4px;
    color: var(--text-secondary);
}
.tf-ai-health-trend.up { color: var(--color-success); }
.tf-ai-health-trend.down { color: var(--color-danger); }

/* --- Metric row + mini --- */
.tf-ai-metric-row {
    display: flex;
    flex-wrap: nowrap;
    gap: 6px;
    overflow-x: auto;
}
.tf-ai-metric-mini {
    flex: 0 0 auto;
    white-space: nowrap;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 6px 8px;
    background: var(--bg-hover);
    border-radius: var(--radius);
}
.tf-ai-metric-label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.tf-ai-metric-value {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

/* --- Events list --- */
.tf-ai-events-list {
    max-height: 300px;
    overflow-y: auto;
}
.tf-ai-events-list::-webkit-scrollbar { width: 4px; }
.tf-ai-events-list::-webkit-scrollbar-track { background: transparent; }
.tf-ai-events-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}
.tf-ai-event-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-secondary);
}
.tf-ai-event-item:last-child { border-bottom: none; }
.tf-ai-event-type {
    display: inline-block;
    padding: 2px 6px;
    border-radius: var(--radius);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.tf-ai-event-severity-critical { background: hsla(0, 84%, 60%, 0.2); color: var(--color-danger); }
.tf-ai-event-severity-high { background: hsla(25, 90%, 50%, 0.2); color: hsl(25, 90%, 55%); }
.tf-ai-event-severity-medium { background: hsla(38, 92%, 50%, 0.2); color: var(--color-warning); }
.tf-ai-event-severity-low { background: hsla(142, 71%, 45%, 0.2); color: var(--color-success); }

/* --- Suggestions --- */
.tf-ai-suggestions-list { display: flex; flex-direction: column; gap: 6px; }
.tf-ai-suggestion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}
.tf-ai-suggestion-status {
    display: inline-block;
    padding: 2px 6px;
    border-radius: var(--radius);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 4px;
}
.tf-ai-suggestion-actions {
    display: flex;
    gap: 4px;
    margin-top: 6px;
}

/* --- Buttons --- */
.tf-ai-btn {
    padding: 4px 8px;
    font-size: 11px;
    font-family: var(--font-body);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-hover);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.tf-ai-btn:hover { color: var(--text-primary); }
.tf-ai-btn-approve { border-color: var(--color-success); color: var(--color-success); }
.tf-ai-btn-approve:hover { background: hsla(142, 71%, 45%, 0.15); }
.tf-ai-btn-reject { border-color: var(--color-danger); color: var(--color-danger); }
.tf-ai-btn-reject:hover { background: hsla(0, 84%, 60%, 0.15); }
.tf-ai-btn-implement { border-color: var(--color-primary); color: var(--color-primary); }
.tf-ai-btn-implement:hover { background: hsla(217, 91%, 60%, 0.15); }

/* --- A/B Experiments --- */
.tf-ai-experiment-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}
.tf-ai-experiment-item:last-child { margin-bottom: 0; }
.tf-ai-experiment-status {
    display: inline-block;
    padding: 2px 6px;
    border-radius: var(--radius);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

/* --- Progress bar --- */
.tf-ai-progress-bar {
    height: 5px;
    background: var(--bg-hover);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 6px;
}
.tf-ai-progress-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

/* --- Tool performance --- */
.tf-ai-tool-row {
    display: grid;
    grid-template-columns: 120px 1fr 60px 50px;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-size: 12px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}
.tf-ai-tool-row:last-child { border-bottom: none; }
.tf-ai-score-bar {
    height: 12px;
    background: var(--bg-hover);
    border-radius: 2px;
    overflow: hidden;
}
.tf-ai-score-fill {
    height: 100%;
    border-radius: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

/* --- Empty state --- */
.tf-ai-empty {
    color: var(--text-muted);
    text-align: center;
    padding: 20px;
    font-size: 12px;
}

/* --- Chart wrap --- */
.tf-ai-chart-wrap { height: 200px; position: relative; }

/* --- Filter bar --- */
.tf-ai-filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.tf-ai-filter-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px 8px;
    font-size: 11px;
    font-family: var(--font-body);
    color: var(--text-primary);
    cursor: pointer;
}
.tf-ai-filter-select:focus {
    outline: none;
    border-color: var(--border-focus);
}