/* ===== STATS PAGE ===== */
.stats-filters {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.stats-period-selector {
    display: flex;
    gap: 6px;
}

.stats-disc-selector {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.disc-filter-btn {
    padding: 5px 13px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.1px;
}

.disc-filter-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.06);
}

.disc-filter-btn.active {
    color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.disc-filter-btn.active                       { background: var(--accent-grad); border-color: transparent; }
.disc-filter-btn.disc-filter-swim.active      { background: var(--swim); border-color: var(--swim); box-shadow: 0 2px 10px rgba(56,189,248,0.3); }
.disc-filter-btn.disc-filter-bike.active      { background: var(--bike); border-color: var(--bike); box-shadow: 0 2px 10px rgba(167,139,250,0.3); }
.disc-filter-btn.disc-filter-run.active       { background: var(--run);  border-color: var(--run);  box-shadow: 0 2px 10px rgba(52,211,153,0.3); }
.disc-filter-btn.disc-filter-strength.active  { background: var(--strength); border-color: var(--strength); box-shadow: 0 2px 10px rgba(251,146,60,0.3); }

.stats-type-selector {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.type-filter-btn {
    padding: 4px 11px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-muted);
    font-size: 0.74rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.type-filter-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.12);
}

.type-filter-btn.active {
    background: var(--accent-grad);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.stats-sessions-list {
    max-height: 400px;
    overflow-y: auto;
}

.period-btn {
    padding: 6px 14px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.period-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.period-btn.active {
    background: var(--accent-grad);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.stats-grid .card.full-width {
    grid-column: 1 / -1;
}

/* ── Stat highlight ── */
.stat-highlight {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 4px;
}

.stat-highlight-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.stat-highlight-unit {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ── PR list ── */
.pr-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pr-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    transition: all var(--transition);
}

.pr-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

.pr-label {
    font-size: 0.83rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.pr-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.pr-date {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 1px;
}

/* ── Weekly comparison bars ── */
.weekly-bars {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    height: 120px;
    padding-top: 8px;
}

.weekly-bar-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
}

.weekly-bar {
    width: 100%;
    max-width: 40px;
    border-radius: 5px 5px 0 0;
    transition: height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.weekly-bar-label {
    font-size: 0.66rem;
    color: var(--text-muted);
    margin-top: 5px;
    text-align: center;
}

.weekly-bar-value {
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-secondary);
}

/* ── Chart container sizing ── */
.chart-container {
    position: relative;
    height: 260px;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
        overflow: hidden;
    }

    .stats-grid .card {
        max-width: 100%;
        overflow: hidden;
        padding: 12px;
        box-sizing: border-box;
    }

    .stat-highlight-value { font-size: 1.3rem; }

    .chart-container {
        height: 180px;
        max-width: 100%;
        overflow: hidden;
    }

    .data-table {
        font-size: 0.72rem;
        width: 100%;
        table-layout: auto;
    }

    .data-table th,
    .data-table td {
        padding: 6px 5px;
        white-space: nowrap;
    }

    .kpi-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .kpi-grid .kpi-card {
        padding: 12px 6px;
    }

    .stats-sessions-list {
        max-height: 280px;
        overflow-x: auto;
    }
}