/* نظام إدارة جامعة الأحقاف - الأنماط المخصصة */

:root {
    /* ألوان الجامعة */
    --primary-color: #1a5f2a;
    --primary-dark: #0d4a1d;
    --primary-light: #2d8b42;
    --secondary-color: #c9a227;
    --secondary-dark: #a6851f;
    --accent-color: #f8f9fa;
    --text-dark: #212529;
    --text-light: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    
    /* خطوط */
    --font-arabic: 'Tajawal', 'Segoe UI', Tahoma, Arial, sans-serif;
    
    /* ظلال */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* انتقالات */
    --transition: all 0.3s ease;
}

/* استيراد خط تجوال */
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700;800&display=swap');

/* إعادة تعيين أساسية */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-arabic);
    background-color: #f4f6f9;
    direction: rtl;
    text-align: right;
    min-height: 100vh;
}

/* شريط التنقل */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: var(--shadow);
    padding: 0.5rem 1rem;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
}

.navbar-brand img {
    height: 45px;
    width: auto;
}

.navbar .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    padding: 0.5rem 1rem !important;
    border-radius: 0.375rem;
    transition: var(--transition);
    font-weight: 500;
}

.navbar .nav-link:hover {
    color: #fff !important;
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff !important;
}

.navbar .dropdown-menu {
    border: none;
    box-shadow: var(--shadow);
    border-radius: 0.5rem;
    padding: 0.5rem;
}

.navbar .dropdown-item {
    border-radius: 0.375rem;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.navbar .dropdown-item:hover {
    background-color: var(--primary-light);
    color: #fff;
}

/* القائمة الجانبية */
.sidebar {
    position: fixed;
    top: 60px;
    right: 0;
    width: 280px;
    height: calc(100vh - 60px);
    background: #fff;
    box-shadow: var(--shadow-sm);
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    text-align: center;
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav .nav-item {
    margin: 0.25rem 1rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-dark);
    border-radius: 0.5rem;
    transition: var(--transition);
    font-weight: 500;
}

.sidebar-nav .nav-link:hover {
    background-color: rgba(26, 95, 42, 0.1);
    color: var(--primary-color);
}

.sidebar-nav .nav-link.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
}

.sidebar-nav .nav-link i {
    width: 24px;
    text-align: center;
    font-size: 1.1rem;
}

/* المحتوى الرئيسي */
.main-content {
    margin-right: 280px;
    margin-top: 60px;
    padding: 2rem;
    min-height: calc(100vh - 60px);
    transition: var(--transition);
}

/* البطاقات */
.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    border: none;
    padding: 1rem 1.5rem;
    font-weight: 600;
}

.card-header.bg-white {
    background: #fff !important;
    color: var(--text-dark);
    border-bottom: 1px solid #eee;
}

.card-body {
    padding: 1.5rem;
}

/* بطاقات الإحصائيات */
.stat-card {
    border-radius: 1rem;
    padding: 1.5rem;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(45deg);
}

.stat-card .stat-icon {
    font-size: 3rem;
    opacity: 0.3;
    position: absolute;
    left: 1rem;
    bottom: 1rem;
}

.stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.stat-card.bg-primary-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.stat-card.bg-secondary-gradient {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
}

.stat-card.bg-info-gradient {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
}

.stat-card.bg-success-gradient {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
}

.stat-card.bg-warning-gradient {
    background: linear-gradient(135deg, #ffc107 0%, #d39e00 100%);
    color: var(--text-dark);
}

.stat-card.bg-danger-gradient {
    background: linear-gradient(135deg, #dc3545 0%, #bd2130 100%);
}

/* الأزرار */
.btn {
    border-radius: 0.5rem;
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    border: none;
    color: var(--text-dark);
}

.btn-outline-primary {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}

.btn-outline-secondary {
    color: #fff;
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-outline-secondary:hover {
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
    color: #fff;
}

.btn-outline-info {
    color: #fff;
    background-color: var(--info);
    border-color: var(--info);
}

.btn-outline-info:hover {
    background-color: #138496;
    border-color: #138496;
    color: #fff;
}

.btn-outline-warning {
    color: var(--text-dark);
    background-color: var(--warning);
    border-color: var(--warning);
}

.btn-outline-warning:hover {
    background-color: #e0a800;
    border-color: #e0a800;
}

.btn-outline-danger {
    color: #fff;
    background-color: var(--danger);
    border-color: var(--danger);
}

.btn-outline-danger:hover {
    background-color: #c82333;
    border-color: #c82333;
    color: #fff;
}

.btn-outline-success {
    color: #fff;
    background-color: var(--success);
    border-color: var(--success);
}

.btn-outline-success:hover {
    background-color: #1e7e34;
    border-color: #1e7e34;
    color: #fff;
}

/* الجداول */
.table {
    margin-bottom: 0;
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    font-weight: 600;
    border: none;
    padding: 1rem;
    white-space: nowrap;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-color: #eee;
}

.table-hover tbody tr:hover {
    background-color: rgba(26, 95, 42, 0.05);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.02);
}

/* النماذج */
.form-control, .form-select {
    border-radius: 0.5rem;
    border: 1px solid #ddd;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(26, 95, 42, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

/* الشارات */
.badge {
    padding: 0.5em 0.75em;
    font-weight: 500;
    border-radius: 0.375rem;
}

/* التنبيهات */
.alert {
    border: none;
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
}

/* صفحة تسجيل الدخول */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 2rem;
}

.login-card {
    background: #fff;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    max-width: 450px;
    width: 100%;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 2rem;
    text-align: center;
}

.login-header img {
    height: 80px;
    margin-bottom: 1rem;
}

.login-header h4 {
    margin: 0;
    font-weight: 700;
}

.login-body {
    padding: 2rem;
}

/* جدول الحصص */
.schedule-table {
    width: 100%;
    border-collapse: collapse;
}

.schedule-table th,
.schedule-table td {
    border: 1px solid #ddd;
    padding: 0.75rem;
    text-align: center;
    vertical-align: middle;
}

.schedule-table th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    font-weight: 600;
}

.schedule-table .time-cell {
    background: #f8f9fa;
    font-weight: 600;
    min-width: 100px;
}

.schedule-cell {
    background: #fff;
    min-height: 80px;
    cursor: pointer;
    transition: var(--transition);
}

.schedule-cell:hover {
    background: rgba(26, 95, 42, 0.05);
}

.schedule-cell.has-lecture {
    background: linear-gradient(135deg, rgba(26, 95, 42, 0.1) 0%, rgba(26, 95, 42, 0.05) 100%);
}

.lecture-card {
    background: var(--primary-color);
    color: #fff;
    border-radius: 0.5rem;
    padding: 0.5rem;
    font-size: 0.85rem;
    margin: 0.25rem;
}

.lecture-card.practical {
    background: var(--secondary-color);
    color: var(--text-dark);
}

.lecture-card .course-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.lecture-card .teacher-name,
.lecture-card .room-name {
    font-size: 0.75rem;
    opacity: 0.9;
}

/* تصميم متجاوب */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-right: 0;
    }
}

@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* رسوم متحركة */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* شريط التحميل */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner-grow {
    width: 3rem;
    height: 3rem;
    color: var(--primary-color);
}

/* تخصيص الـ Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}