/* ===== Schedule Page Styles ===== */

/* ===== Simplified Schedule Controls ===== */
.schedule-controls {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--md-sys-color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--md-sys-elevation-1);
}

/* Left Controls */
.controls-left {
    display: flex;
    align-items: center;
}

/* Teacher Filter Select */
.form-select-inline {
    padding: 10px 16px;
    border: 1px solid var(--md-sys-color-outline);
    border-radius: var(--radius-xs);
    background: white;
    font: var(--md-sys-typescale-body-medium);
    cursor: pointer;
    min-width: 200px;
}

/* ===== Desktop Table with Updated Headers ===== */
.schedule-table-container {
    overflow-x: auto;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--md-sys-elevation-2);
    margin-bottom: 0;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    table-layout: fixed;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.schedule-table th,
.schedule-table td {
    padding: 10px 8px;
    text-align: center;
    border: 1px solid #e0e0e0;
    position: relative;
}

/* Apply gradient to the entire row */
.schedule-table thead tr:first-child {
    background: linear-gradient(135deg, var(--md-sys-color-primary), var(--md-sys-color-secondary));
}

/* Make header cells transparent to show gradient through them */
.schedule-table thead tr:first-child th {
    background: transparent;
    color: white;
    font-weight: 500;
    border-color: rgba(255, 255, 255, 0.2);
}

/* Corner cell (الحصة/اليوم) - transparent to inherit gradient */
.schedule-table .day-header {
    background: transparent;
    color: white;
    font-weight: 600;
}

/* Day names column - solid blue without gradient */
.schedule-table .day-name {
    width: 90px;
    background: var(--md-sys-color-primary);
    color: white;
    font-weight: 600;
}

/* Period headers - transparent to show gradient */
.schedule-table .period-header {
    background: transparent;
    color: white;
    width: auto;
}

.schedule-table .period-cell {
    background: white;
    min-height: 60px;
    cursor: pointer;
    position: relative;
    padding-left: 30px;
}

.schedule-table .period-cell:hover {
    background: #f0f7ff;
}

/* خلايا فارغة قابلة للنقر */
.schedule-table .period-cell.empty-clickable {
    border: 2px dashed #ccc;
}

.schedule-table .period-cell.empty-clickable:hover {
    border-color: #2B6CB8;
    background: #f0f7ff;
}

/* معلم واحد - العرض العادي */
.teacher-item {
    background: #e3f2fd;
    color: #1565c0;
    padding: 3px 8px;
    margin: 2px;
    border-radius: 3px;
    font-size: 13px;
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    max-width: 90%;
}

/* محتوى الخلية */
.teacher-cell-content {
    text-align: right;
    padding: 2px 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.teacher-name-line {
    font-size: 13px;
    font-weight: 500;
    color: #1565c0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100px;
}

.teacher-class-line {
    font-size: 11px;
    color: #757575;
    font-weight: 400;
}

/* معلم مفلتر */
.teacher-filtered {
    background: #fff3e0;
    color: #e65100;
    font-weight: 600;
}

.has-filtered-teacher {
    background: #fffbf0 !important;
}

/* معلمين متعددين - العرض المكثف */
.teacher-item-condensed {
    background: #e3f2fd;
    color: #1565c0;
    padding: 3px 8px;
    margin: 2px;
    border-radius: 3px;
    font-size: 13px;
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    max-width: 90%;
}

/* شارة عدد المعلمين */
.teacher-count-badge {
    position: absolute;
    top: 4px;
    left: 4px;
    background: #F7941E;
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    z-index: 2;
}

/* القائمة الكاملة للمعلمين - مخفية افتراضياً */
.teacher-list-full {
    display: none;
}

/* ===== Enhanced Teacher Selection Dialog ===== */
.modal {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: var(--md-sys-color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--md-sys-elevation-5);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: auto;
    z-index: 1001;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--md-sys-color-outline-variant);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.modal-header-enhanced {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.modal-title-center {
    flex: 1;
    text-align: center;
    margin: 0;
}

.btn-clear-all {
    color: var(--md-sys-color-error);
    font-size: 14px;
}

/* Teacher Selection Items */
.teacher-selection-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(0,0,0,0.08);
    transition: background-color 0.2s ease;
    gap: var(--spacing-md);
}

.teacher-selection-item:last-child {
    border-bottom: none;
}

.teacher-selection-item.selected {
    background-color: rgba(43, 108, 184, 0.08);
}

.teacher-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--md-sys-color-primary);
}

.teacher-info-label {
    flex: 1;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.teacher-name {
    font: var(--md-sys-typescale-body-large);
    color: var(--md-sys-color-on-surface);
}

.teacher-subject {
    font: var(--md-sys-typescale-body-small);
    color: var(--md-sys-color-on-surface-variant);
}

.class-select-enhanced {
    padding: 8px 12px;
    border: 1px solid var(--md-sys-color-outline);
    border-radius: var(--radius-xs);
    font: var(--md-sys-typescale-body-medium);
    min-width: 150px;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.class-select-enhanced:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--md-sys-color-surface-variant);
}

.no-classes {
    font: var(--md-sys-typescale-body-small);
    color: var(--md-sys-color-outline);
    font-style: italic;
}

.btn-full {
    width: 100%;
}

#confirm-selection-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== Mobile Controls Bar ===== */
.mobile-controls-bar {
    background: linear-gradient(135deg, var(--md-sys-color-primary), var(--md-sys-color-secondary));
    color: var(--md-sys-color-on-primary);
    padding: 12px;
    box-shadow: var(--md-sys-elevation-3);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.mobile-control-row {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mobile-title {
    font: var(--md-sys-typescale-title-medium);
    color: var(--md-sys-color-on-primary);
}

/* ===== Mobile Schedule Cards ===== */
.schedule-mobile-container {
    padding: 0;
    margin: 0;
    padding-bottom: 60px !important;
}

.day-card {
    background: var(--md-sys-color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--md-sys-elevation-2);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: var(--transition-fast);
}

.day-card:hover {
    box-shadow: var(--md-sys-elevation-3);
}

.day-card-header {
    background: linear-gradient(135deg, var(--md-sys-color-primary), var(--md-sys-color-secondary));
    color: var(--md-sys-color-on-primary);
    padding: var(--spacing-md);
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.day-card-content {
    padding: 0;
}

.period-item {
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.period-item:hover {
    background: rgba(var(--md-sys-color-primary-rgb), 0.05);
}

.period-item:last-child {
    border-bottom: none;
}

.period-header-mobile {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.period-number {
    font-size: 14px;
    color: var(--md-sys-color-primary);
    white-space: nowrap;
}

.period-time {
    font: var(--md-sys-typescale-label-medium);
    color: var(--md-sys-color-on-surface-variant);
    background: var(--md-sys-color-surface-variant);
    padding: var(--spacing-xxs) var(--spacing-xs);
    border-radius: var(--radius-xs);
}

.period-teachers {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.teacher-chip-mobile {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font: var(--md-sys-typescale-body-large);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.period-empty {
    color: var(--md-sys-color-outline);
    font: var(--md-sys-typescale-body-medium);
    text-align: center;
    padding: var(--spacing-sm) 0;
}

.add-teacher-btn {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px dashed var(--md-sys-color-outline-variant);
    background: transparent;
    border-radius: var(--radius-md);
    color: var(--md-sys-color-primary);
    font: var(--md-sys-typescale-label-large);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: var(--transition-fast);
}

.add-teacher-btn:hover {
    background: rgba(var(--md-sys-color-primary-rgb), 0.08);
    border-color: var(--md-sys-color-primary);
}

/* ===== Progress Indicator ===== */
.progress-circular {
    width: 48px;
    height: 48px;
    border: 4px solid var(--md-sys-color-surface-variant);
    border-top-color: var(--md-sys-color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Schedule Actions ===== */
.schedule-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
    padding-bottom: 0;
}

/* ===== Print Styles ===== */
@media print {
    .schedule-controls,
    .mobile-controls-bar,
    .schedule-actions,
    .btn-icon,
    .btn-outlined,
    .teacher-count-badge,
    .teacher-item-condensed,
    .empty-cell {
        display: none !important;
    }
    
    .teacher-list-full {
        display: block !important;
        padding: 4px;
    }
    
    .teacher-list-full div {
        font-size: 11px;
        line-height: 1.4;
        margin: 2px 0;
    }
    
    .schedule-table td,
    .schedule-table tr {
        height: auto !important;
        min-height: 40px;
    }
    
    .period-cell.empty-clickable::after {
        content: attr(data-teachers);
        display: block;
        font-size: 11px;
        line-height: 1.4;
        padding: 4px;
    }
    
    .schedule-table {
        box-shadow: none;
        border: 2px solid #000;
        font-size: 12px;
    }
    
    .schedule-table th {
        background: #f0f0f0 !important;
        color: #000 !important;
        font-weight: bold;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .schedule-table .day-name {
        background: #f8f8f8 !important;
        color: #000 !important;
        font-weight: bold;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .schedule-table th,
    .schedule-table td {
        border: 1px solid #000 !important;
    }
    
    .page-container {
        padding: 10px !important;
    }
    
    .page-header {
        margin-bottom: 10px !important;
    }
}

/* ===== Responsive Adjustments ===== */
.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

@media (max-width: 600px) {
    .desktop-only {
        display: none;
    }
    
    .mobile-only {
        display: block;
    }
    
    .page-container {
        padding: 0;
    }
    
    .page-header {
        padding: var(--spacing-md);
    }
    
    .day-card {
        margin: 0 8px;
        border-radius: 8px;
    }
    
    .period-header-mobile {
        flex-wrap: nowrap;
    }
    
    .period-time {
        font-size: 11px;
        white-space: nowrap;
    }
    
    .schedule-actions {
        position: fixed;
        bottom: var(--nav-height-mobile);
        left: 0;
        right: 0;
        padding: 8px;
        background: var(--md-sys-color-surface);
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
        display: flex;
        justify-content: center;
        gap: 8px;
        z-index: 100;
    }
    
    .schedule-actions .btn-large {
        flex: none !important;
        width: auto !important;
        min-width: 120px !important;
        max-width: 150px !important;
        height: 44px !important;
        padding: 0 16px !important;
        font-size: 14px !important;
    }
    
    .schedule-actions .btn-outlined {
        flex: none !important;
        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
        padding: 0 !important;
    }
    
    .schedule-actions .btn-outlined span:not(.material-icons-round) {
        display: none !important;
    }
}

@media (min-width: 601px) {
    .schedule-controls {
        display: flex;
        justify-content: flex-start;
        align-items: center;
    }
    
    .schedule-actions .btn-large {
        min-width: 200px;
    }
}

/* ===== Mobile Full Width Fix ===== */
@media (max-width: 600px) {
    .page-container {
        padding: 0 !important;
        margin: 0 !important;
        max-width: 100% !important;
    }
    
    .page-header {
        margin: 0;
        padding: var(--spacing-md);
    }
    
    .day-card {
        border-radius: 0;
        margin: 0;
        margin-bottom: 2px;
        box-shadow: none;
        border-bottom: 1px solid var(--md-sys-color-outline-variant);
    }
    
    .mobile-controls-bar {
        border-radius: 0;
        margin: 0 !important;
        position: sticky;
        top: 0;
        width: 100vw;
        z-index: 10;
    }
    
    html, body {
        overflow-x: hidden !important;
        max-width: 100vw !important;
    }
}