/* ===========================================
   ATTENDANCE-STYLE.CSS - YTS Page Specific Styles
   Base styles are in base.css
   =========================================== */

/* --- Page-specific CSS Variables --- */
:root {
    --attendance-present: #28a745;
    --attendance-absent: #dc3545;
}

/* --- Attendance Page Section --- */
.attendance-section {
    padding: 40px 0 80px 0;
}

.no-courses-message {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-muted);
    padding: 40px;
    background-color: var(--bg-color-grey);
    border-radius: 12px;
    border: 1px dashed #ccc;
}

.no-courses-message a {
    color: var(--secondary-color);
    font-weight: 600;
}

#attendance-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
}

/* --- Individual Course Attendance Card --- */
.attendance-card {
    background-color: var(--bg-color-light);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.attendance-card-header {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.attendance-card-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.attendance-card-subtitle {
    font-size: 0.9rem;
    opacity: 0.8;
}

.attendance-card-body {
    padding: 1.5rem;
}

/* --- Attendance Grid --- */
.attendance-grid {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.attendance-grid th,
.attendance-grid td {
    border: 1px solid #e0e0e0;
    text-align: center;
    padding: 8px 4px;
}

.attendance-grid th {
    background-color: var(--bg-color-grey);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-color-dark);
}

.attendance-cell {
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    transition: var(--transition);
    background-color: var(--bg-color-light);
    border-radius: 4px;
}

.attendance-cell:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.attendance-cell.present {
    background-color: var(--attendance-present);
    color: white;
}

.attendance-cell.absent {
    background-color: var(--attendance-absent);
    color: white;
}

/* --- Attendance Summary --- */
.attendance-summary {
    display: flex;
    justify-content: space-around;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.summary-item .summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Poppins', sans-serif;
}

.summary-item .summary-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-item.percentage .summary-value {
    color: var(--secondary-color);
}

/* --- High Attendance Card Style --- */
.attendance-card.high-attendance {
    border: 2px solid #28a745;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.2);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.attendance-card .high-percentage {
    color: #28a745;
    font-weight: 700;
}

/* --- Separator (Login/Register) --- */
.separator {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.separator::before,
.separator::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #ddd;
}

.separator:not(:empty)::before {
    margin-right: .5em;
}

.separator:not(:empty)::after {
    margin-left: .5em;
}

/* --- Attendance Responsive --- */
@media (max-width: 550px) {
    #attendance-container {
        grid-template-columns: 1fr;
    }

    .attendance-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .attendance-summary {
        flex-direction: column;
        gap: 1rem;
    }
}

/* --- Ultra-Small Screen (< 400px) --- */
@media (max-width: 400px) {
    .attendance-card-header {
        padding: 0.75rem 1rem;
    }

    .attendance-card-title {
        font-size: 1rem;
    }

    .attendance-card-body {
        padding: 1rem;
    }

    .attendance-grid th,
    .attendance-grid td {
        padding: 4px 2px;
        font-size: 0.75rem;
    }

    .attendance-cell {
        width: 24px;
        height: 24px;
        font-size: 0.65rem;
    }

    .attendance-summary {
        gap: 0.75rem;
    }

    .summary-item .summary-value {
        font-size: 1.2rem;
    }

    .summary-item .summary-label {
        font-size: 0.75rem;
    }
}