/* ========================================
   AlphaOne Math Tutor — Parent Dashboard Styles
   More muted, professional tones of the same palette
   ======================================== */

/* Override nav for parent mode */
.navbar .logo-text {
    background: linear-gradient(135deg, #5A4BD1, #636E72);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Auth card */
.auth-card {
    max-width: 400px;
    margin: 80px auto 0;
    padding: 40px;
    text-align: center;
}

.auth-card h2 {
    margin-bottom: 8px;
}

.auth-card p {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.pin-input {
    width: 200px;
    padding: 14px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    background: var(--bg);
    text-align: center;
    letter-spacing: 8px;
}

.pin-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

/* Dashboard grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

/* Stat cards */
.stat-card {
    padding: 24px;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.stat-card .stat-sub {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 8px;
}

/* Mastery heatmap */
.heatmap {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    margin-top: 16px;
}

.heatmap-cell {
    padding: 10px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid var(--border);
}

.heatmap-cell.not_started {
    background: #F1F2F6;
    color: var(--text-dim);
}

.heatmap-cell.practicing {
    background: #FFF3BF;
    color: #B7791F;
}

.heatmap-cell.proficient {
    background: #E8DAFF;
    color: #5A4BD1;
}

.heatmap-cell.mastered {
    background: #D5F5E3;
    color: #00875A;
}

/* Chart containers */
.chart-container {
    position: relative;
    width: 100%;
    max-height: 300px;
    margin-top: 16px;
}

/* Weakest areas */
.weak-area-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.weak-area-row:last-child {
    border-bottom: none;
}

.weak-area-row .area-code {
    font-weight: 700;
    color: var(--primary);
    min-width: 70px;
}

.weak-area-row .area-name {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text);
    margin: 0 12px;
}

.weak-area-row .area-accuracy {
    font-weight: 700;
    font-size: 0.9rem;
}

.weak-area-row .area-accuracy.low {
    color: var(--error);
}

.weak-area-row .area-accuracy.medium {
    color: var(--warning);
}

.weak-area-row .area-accuracy.good {
    color: var(--success);
}

/* Session history */
.session-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

.session-row .session-date {
    color: var(--text-muted);
    min-width: 100px;
}

.session-row .session-stats {
    display: flex;
    gap: 16px;
}

/* Child selector */
.child-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.child-tab {
    padding: 8px 20px;
    border-radius: var(--radius-pill);
    border: 2px solid var(--border);
    background: transparent;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.child-tab.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.child-tab:hover:not(.active) {
    border-color: var(--primary-light);
    color: var(--primary);
}

/* Print styles */
@media print {
    .navbar, .footer, .btn, .child-tabs {
        display: none !important;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }

    body {
        background: white;
    }
}