/**
 * OLAMI Stats & Reports — Dedicated Stylesheet
 * File: assets/css/stats.css
 * Uses design tokens from design-tokens.css
 * Replaces all inline styles in stats.php
 */

/* =========================================
   1. STATS PAGE LAYOUT
   ========================================= */
.olami-stats-wrap {
    font-family: var(--font-sans);
    color: var(--text);
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* =========================================
   2. HEADER & FILTER BAR
   ========================================= */
.os-stats-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    gap: 15px;
}

.os-stats-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.os-filter-bar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
}

.os-filter-bar a {
    padding: 10px 15px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    border-right: 1px solid var(--border-light);
    display: inline-block;
    color: var(--text);
    transition: var(--transition);
}

.os-filter-bar a:last-child {
    border-right: none;
}

.os-filter-bar a:hover {
    background: var(--surface-hover);
}

.os-filter-bar a.active {
    background: var(--primary);
    color: var(--text-inverse);
}

/* =========================================
   3. KPI CARDS
   ========================================= */
.os-kpi .os-subtitle {
    display: block;
    font-weight: normal;
    font-size: 10px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.os-kpi.os-kpi-accent {
    border-left: 4px solid var(--primary);
}

.os-kpi.os-kpi-accent .os-num {
    color: var(--primary);
}

/* =========================================
   4. SECTION TITLES
   ========================================= */
.os-section-title {
    margin: 30px 0 15px 0;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* =========================================
   5. PROGRAM BREAKDOWN CARDS
   ========================================= */
.os-breakdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.os-breakdown-header h3 {
    margin: 0;
    font-size: 18px;
    color: var(--text) !important;
    border: none !important;
}

.os-breakdown-badge {
    background: var(--surface-hover);
    padding: 4px 8px;
    border-radius: var(--radius);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

.os-breakdown-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.os-breakdown-stat {
    text-align: center;
    padding: 15px;
    background: var(--canvas);
    border-radius: var(--radius-md);
}

.os-breakdown-stat .os-stat-num {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
}

.os-breakdown-stat .os-stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 700;
}

.os-breakdown-stat.os-stat-success {
    background: var(--success-bg);
}

.os-breakdown-stat.os-stat-success .os-stat-num {
    color: var(--success-text);
}

.os-breakdown-stat.os-stat-success .os-stat-label {
    color: var(--success-text);
}

/* =========================================
   6. GENDER BAR
   ========================================= */
.os-gender-section {
    margin-top: 20px;
}

.os-gender-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 5px;
    text-transform: uppercase;
}

.os-gender-bar {
    display: flex;
    height: 12px;
    border-radius: var(--radius);
    overflow: hidden;
}

.os-gender-bar .os-bar-male {
    background: var(--secondary);
}

.os-gender-bar .os-bar-female {
    background: var(--primary);
}

.os-gender-bar .os-bar-unknown {
    background: var(--text-muted);
}

.os-gender-legend {
    display: flex;
    justify-content: space-between;
    margin-top: 5px;
    font-size: 11px;
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 4px;
}

/* =========================================
   7. PROGRAM TAGS
   ========================================= */
.os-program-section {
    margin-top: 15px;
    border-top: 1px dashed var(--border-light);
    padding-top: 15px;
}

.os-program-tags {
    font-size: 12px;
    color: var(--text-secondary);
}

/* =========================================
   8. LEADERBOARD
   ========================================= */
.os-leaderboard-highlight {
    text-align: center;
    color: var(--primary);
    font-weight: bold;
    background: var(--primary-soft);
}

/* =========================================
   9. COMPLETION RATE BADGES
   ========================================= */
.os-rate-good {
    font-weight: 600;
    color: var(--success);
}

.os-rate-mid {
    font-weight: 600;
    color: var(--warning);
}

.os-rate-low {
    font-weight: 600;
    color: var(--danger);
}

/* =========================================
   10. SMART TASKS
   ========================================= */
.os-task-type-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.os-completed-text {
    text-align: center;
    color: var(--success);
    font-weight: 600;
}

.os-dismissed-text {
    text-align: center;
    color: var(--text-muted);
}

.os-kpi-success {
    border-left: 4px solid var(--success);
}

.os-kpi-success .os-num {
    color: var(--success);
}

/* =========================================
   11. STUDENT ENGAGEMENT ROW
   ========================================= */
.os-engagement-row {
    margin-bottom: 20px;
}

/* =========================================
   12. TOP EVENTS TABLE
   ========================================= */
.os-rank-cell {
    font-weight: 700;
    color: var(--text-secondary);
    text-align: center;
}

.os-event-name {
    font-weight: 600;
}

.os-event-cat {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    background: var(--primary-soft);
    color: var(--primary);
}

/* =========================================
   13. EMPTY STATES
   ========================================= */
.os-empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
}

.os-empty-inline {
    color: var(--text-muted);
    padding: 20px;
}

/* =========================================
   14. TABLE ALIGNMENT HELPERS
   ========================================= */
.os-text-center {
    text-align: center;
}

.os-text-right {
    text-align: right;
}

.os-font-semibold {
    font-weight: 600;
}

/* =========================================
   15. PRINT STYLES
   ========================================= */
@media print {
    .os-filter-bar,
    .os-stats-actions .btn-wrap,
    #wpadminbar,
    #adminmenumain,
    #adminmenuback,
    .cc-sidebar,
    .cc-top-nav {
        display: none !important;
    }

    .olami-stats-wrap {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }

    .os-card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .os-kpi .os-num {
        color: #000 !important;
    }

    .os-gender-bar .os-bar-male {
        background: #666 !important;
    }

    .os-gender-bar .os-bar-female {
        background: #999 !important;
    }

    .os-gender-bar .os-bar-unknown {
        background: #ccc !important;
    }

    .os-chart-container canvas {
        max-height: 250px !important;
    }

    .os-section-title {
        color: #333 !important;
    }
}

/* =========================================
   16. MOBILE RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
    .olami-stats-wrap {
        padding: 10px;
    }

    .os-stats-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .os-stats-actions {
        width: 100%;
    }

    .os-filter-bar {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .os-filter-bar::-webkit-scrollbar {
        display: none;
    }

    .os-filter-bar a {
        padding: 8px 12px;
        font-size: 12px;
        flex-shrink: 0;
    }

    .os-grid-4 {
        grid-template-columns: 1fr 1fr !important;
        gap: 10px;
    }

    .os-grid-2 {
        grid-template-columns: 1fr !important;
        gap: 10px;
    }

    .os-breakdown-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .os-breakdown-stat {
        padding: 10px;
    }

    .os-breakdown-stat .os-stat-num {
        font-size: 20px;
    }

    .os-chart-container {
        min-height: 200px;
    }

    .os-clean-table th,
    .os-clean-table td {
        padding: 10px 8px !important;
        font-size: 12px;
    }

    .os-gender-legend {
        font-size: 10px;
    }

    .os-kpi .os-num {
        font-size: 24px;
    }

    .os-section-title {
        font-size: 12px;
        margin: 20px 0 10px 0;
    }

    .os-card h3 {
        font-size: 15px;
    }

    /* Top Events table: hide category column on mobile */
    .os-top-events .os-col-cat {
        display: none;
    }
}

@media (max-width: 480px) {
    .os-grid-4 {
        grid-template-columns: 1fr !important;
    }

    .os-breakdown-grid {
        grid-template-columns: 1fr;
    }

    .os-filter-bar a {
        padding: 7px 10px;
        font-size: 11px;
    }
}