/* =============================================================
   theEducator.ai - Student Dashboard
   student-dashboard.css
   Consistent with teacher dashboard design system (class-management.css)
   ============================================================= */

/* ----------------------------------------------------------
   MAIN CONTAINER
   ---------------------------------------------------------- */
.student-dashboard {
    background: var(--eai-bg-page, #f0f4f8);
    padding: var(--eai-space-6, 24px) var(--eai-space-5, 20px);
    border-radius: var(--eai-radius-lg, 14px);
    font-family: var(--eai-font-family, -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif);
    width: 100%;
    box-sizing: border-box;
}

.student-dashboard h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--eai-gray-900, #0f172a);
    margin: 0 0 var(--eai-space-2, 8px);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.student-dashboard h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--eai-gray-800, #1e293b);
    margin: 0 0 var(--eai-space-6, 24px);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.student-dashboard h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--eai-gray-700, #334155);
    margin: var(--eai-space-6, 24px) 0 var(--eai-space-4, 16px);
    display: flex;
    align-items: center;
    gap: var(--eai-space-2, 8px);
}

/* ----------------------------------------------------------
   TASK TABLE
   ---------------------------------------------------------- */
.student-dashboard-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--eai-radius-lg, 14px);
}

.student-dashboard-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--eai-space-5, 20px) 0;
    background: var(--eai-surface, #ffffff);
    border-radius: var(--eai-radius-lg, 14px);
    overflow: hidden;
    box-shadow: var(--eai-shadow-md, 0 4px 12px rgba(0,0,0,0.08));
    table-layout: fixed;
}

.student-dashboard-table th,
.student-dashboard-table td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--eai-gray-100, #f1f5f9);
    text-align: left;
    vertical-align: middle;
    font-size: 0.9rem;
}

.student-dashboard-table th:nth-child(1),
.student-dashboard-table td:nth-child(1) {
    width: 40%;
}

.student-dashboard-table th:nth-child(n+2),
.student-dashboard-table td:nth-child(n+2) {
    width: 12%;
}

.student-dashboard-table th {
    background: var(--eai-gray-50, #f8fafc);
    color: var(--eai-gray-600, #475569);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--eai-gray-200, #e2e8f0);
}

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

.student-dashboard-table tbody tr:hover {
    background-color: var(--eai-blue-50, #eff6ff);
    transition: background-color 0.18s ease;
}

/* ----------------------------------------------------------
   TASK LINK
   ---------------------------------------------------------- */
.csuk-open-assessment-modal {
    cursor: pointer;
    text-decoration: none;
    color: var(--eai-blue-600, #2563eb);
    font-weight: 600;
    transition: color 0.18s ease;
    border-bottom: 1px solid transparent;
}

.csuk-open-assessment-modal:hover {
    color: var(--eai-blue-700, #1d4ed8);
    border-bottom-color: var(--eai-blue-200, #bfdbfe);
}

/* ----------------------------------------------------------
   SCORE BADGES
   ---------------------------------------------------------- */
.student-dash-score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 28px;
    padding: 0 10px;
    border-radius: var(--eai-radius-pill, 999px);
    font-weight: 700;
    font-size: 0.8rem;
    cursor: help;
    background: var(--eai-gray-100, #f1f5f9);
    color: var(--eai-gray-600, #475569);
    transition: transform 0.18s ease;
}

.student-dash-score:hover {
    transform: scale(1.06);
}

.score-green {
    background: var(--eai-score-green-bg, #d1fae5);
    color: var(--eai-score-green-text, #065f46);
}

.score-amber {
    background: var(--eai-score-amber-bg, #fef3c7);
    color: var(--eai-score-amber-text, #92400e);
}

.score-red {
    background: var(--eai-score-red-bg, #fee2e2);
    color: var(--eai-score-red-text, #991b1b);
}

.score-unknown {
    background: var(--eai-score-unknown-bg, #f1f5f9);
    color: var(--eai-score-unknown-text, #475569);
}

/* ----------------------------------------------------------
   INSIGHT CARDS
   ---------------------------------------------------------- */
.csuk-insights-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: var(--eai-space-4, 16px);
    margin-bottom: var(--eai-space-6, 24px);
}

.csuk-insight-card {
    background: var(--eai-surface, #ffffff);
    border: 1px solid var(--eai-gray-200, #e2e8f0);
    border-radius: var(--eai-radius-lg, 14px);
    padding: var(--eai-space-5, 20px) var(--eai-space-4, 16px);
    box-shadow: var(--eai-shadow-sm, 0 1px 3px rgba(0,0,0,0.06));
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    box-sizing: border-box;
    min-width: 0;
}

.csuk-insight-card:hover {
    box-shadow: var(--eai-shadow-md, 0 4px 12px rgba(0,0,0,0.08));
    transform: translateY(-2px);
}

.csuk-card-inner {
    display: flex;
    flex-direction: column;
    gap: var(--eai-space-3, 12px);
}

.csuk-card-inner h4 {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--eai-gray-500, #64748b);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0;
}

.csuk-stat-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--eai-space-2, 8px);
}

.csuk-stat-label {
    font-size: 0.8rem;
    color: var(--eai-gray-500, #64748b);
    font-weight: 500;
}

.csuk-circle {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--eai-radius-pill, 999px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    letter-spacing: 0.01em;
}

.csuk-insight-assigned {
    background: var(--eai-gray-100, #f1f5f9);
    color: var(--eai-gray-700, #334155);
}

.csuk-insight-attempted {
    background: var(--eai-blue-100, #dbeafe);
    color: var(--eai-blue-700, #1d4ed8);
}

.average_score_sc {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--eai-radius-pill, 999px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    transition: transform 0.18s ease;
}

.average_score_sc:hover {
    transform: scale(1.08);
}

.average_score_sc.score-green {
    background: var(--eai-score-green-bg, #d1fae5);
    color: var(--eai-score-green-text, #065f46);
}

.average_score_sc.score-amber {
    background: var(--eai-score-amber-bg, #fef3c7);
    color: var(--eai-score-amber-text, #92400e);
}

.average_score_sc.score-red {
    background: var(--eai-score-red-bg, #fee2e2);
    color: var(--eai-score-red-text, #991b1b);
}

.average_score_sc.score-unknown {
    background: var(--eai-score-unknown-bg, #f1f5f9);
    color: var(--eai-score-unknown-text, #475569);
}

/* ----------------------------------------------------------
   RESPONSIVE
   ---------------------------------------------------------- */
@media (max-width: 800px) {
    .student-dashboard-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .student-dashboard-table {
        width: max-content;
        min-width: 100%;
        font-size: 0.82rem;
    }

    .student-dashboard-table th,
    .student-dashboard-table td {
        white-space: nowrap;
        padding: 10px 12px;
    }

    .csuk-insights-cards {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--eai-space-3, 12px);
    }

    .student-dash-score {
        min-width: 36px;
        height: 24px;
        font-size: 0.75rem;
    }
}