/* ==========================================================================
   Tools Page Styles
   ========================================================================== */

.tools-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.tools-tab {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.65rem 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.tools-tab:hover {
    color: var(--text-primary);
    background: var(--border-color);
}

.tools-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.tools-panel {
    animation: fadeIn 0.3s ease;
}

.panel-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: 'Outfit', sans-serif;
}

.panel-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

/* ==========================================================================
   Recommender
   ========================================================================== */
.recommender-container {
    max-width: 900px;
    margin: 0 auto;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.use-case-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.use-case-btn:hover {
    border-color: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.use-case-btn.active {
    background: var(--primary-glow);
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.2);
}

.recommender-results {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rec-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: var(--card-bg-solid);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: all 0.2s ease;
    gap: 1rem;
}

.rec-card:hover {
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.rec-card.top-pick {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.03);
}

.rec-rank {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-tertiary);
    min-width: 2rem;
}

.rec-card.top-pick .rec-rank {
    color: var(--success-color);
}

.rec-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.rec-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.rec-reason {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.rec-stats {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.rec-stat {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.rec-stat-label {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
}

.rec-stat-value {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.rec-stat-value.cost {
    color: var(--success-color);
}

.rec-badge {
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--success-color);
    color: white;
}

/* ==========================================================================
   Speed Metrics Table
   ========================================================================== */
.speed-table-container {
    overflow-x: auto;
}

.speed-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg-solid);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.speed-table th {
    background: var(--table-header-bg);
    padding: 1rem 1.25rem;
    text-align: left;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.speed-table td {
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.speed-table tbody tr:hover {
    background: var(--table-row-hover);
}

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

.speed-bar {
    display: inline-block;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    vertical-align: middle;
    margin-right: 0.5rem;
}

.speed-value {
    font-weight: 600;
}

.speed-fast { color: var(--success-color); }
.speed-medium { color: var(--warning-color); }
.speed-slow { color: var(--danger-color); }

/* ==========================================================================
   Price History
   ========================================================================== */
.price-history-controls {
    margin-bottom: 2rem;
}

.price-history-controls .select-wrapper select {
    appearance: none;
    background-color: var(--card-bg-solid);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem 2rem 0.75rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    min-width: 280px;
}

.price-history-chart {
    background: var(--card-bg-solid);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    min-height: 300px;
}

.price-chart-canvas {
    width: 100%;
    height: 250px;
    position: relative;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.price-table th {
    text-align: left;
    padding: 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.price-table td {
    padding: 0.75rem;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.price-change-up { color: var(--danger-color); }
.price-change-down { color: var(--success-color); }
.price-change-none { color: var(--text-tertiary); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .use-case-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .rec-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .rec-stats {
        width: 100%;
        justify-content: flex-start;
    }
}