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

/* المتغيرات العامة */
:root {
    --primary-color: #2563eb;
    --secondary-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --background-color: #f8fafc;
    --text-color: #1e293b;
    --light-gray: #e2e8f0;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    
    /* ألوان الأفواج */
    --group-1-color: #3b82f6;
    --group-2-color: #10b981;
    --group-3-color: #f59e0b;
}

/* الأنماط العامة */
body {
    font-family: 'Tajawal', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    direction: rtl;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* الأنماط المساعدة */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

/* الرأس */
.header {
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-family: 'Cairo', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 2rem;
}

.nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Tajawal', sans-serif;
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* المحتوى الرئيسي */
.main {
    min-height: calc(100vh - 120px);
    padding: 1rem 0;
}

/* لوحة التحكم */
.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h2 {
    font-family: 'Cairo', sans-serif;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: #64748b;
    font-size: 0.9rem;
}

/* إحصائيات الأفواج */
.groups-stats {
    margin-bottom: 2rem;
}

.groups-stats h3 {
    font-family: 'Cairo', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    text-align: center;
}

.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.group-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
    border-top: 4px solid var(--primary-color);
}

.group-card:nth-child(1) {
    border-top-color: var(--group-1-color);
}

.group-card:nth-child(2) {
    border-top-color: var(--group-2-color);
}

.group-card:nth-child(3) {
    border-top-color: var(--group-3-color);
}

.group-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.group-header h4 {
    font-family: 'Cairo', sans-serif;
    font-size: 1.2rem;
    color: var(--text-color);
}

.group-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--white);
}

.group-badge.group-1 {
    background: var(--group-1-color);
}

.group-badge.group-2 {
    background: var(--group-2-color);
}

.group-badge.group-3 {
    background: var(--group-3-color);
}

.group-stats {
    display: grid;
    gap: 0.5rem;
}

.group-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-gray);
}

.group-stat:last-child {
    border-bottom: none;
}

.stat-label {
    font-size: 0.9rem;
    color: #64748b;
}

.stat-value {
    font-weight: 600;
    color: var(--primary-color);
}

/* الإجراءات السريعة */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

/* الأزرار */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: 'Tajawal', sans-serif;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover:not(:disabled) {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #6b7280;
    color: var(--white);
}

.btn-secondary:hover:not(:disabled) {
    background: #4b5563;
    transform: translateY(-2px);
}

.btn-success {
    background: var(--secondary-color);
    color: var(--white);
}

.btn-success:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-2px);
}

.btn-warning {
    background: var(--warning-color);
    color: var(--white);
}

.btn-warning:hover:not(:disabled) {
    background: #d97706;
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--danger-color);
    color: var(--white);
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    transform: translateY(-2px);
}

.btn-info {
    background: #0ea5e9;
    color: var(--white);
}

.btn-info:hover:not(:disabled) {
    background: #0284c7;
    transform: translateY(-2px);
}

/* عرض القائمة */
.list-view-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.list-view-header h2 {
    font-family: 'Cairo', sans-serif;
    font-size: 1.5rem;
    color: var(--text-color);
    margin: 0;
}

.list-controls {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.search-input,
.month-filter,
.attendance-filter,
.group-filter {
    padding: 0.5rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-family: 'Tajawal', sans-serif;
    transition: var(--transition);
    font-size: 0.9rem;
    min-width: 120px;
}

.search-input {
    min-width: 200px;
}

.search-input:focus,
.month-filter:focus,
.attendance-filter:focus,
.group-filter:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* معلومات التصفح */
.pagination-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    flex-wrap: wrap;
    gap: 1rem;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pagination-bottom {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* جدول التلاميذ */
.students-table-container {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    overflow-x: auto;
}

.students-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
}

.students-table th,
.students-table td {
    padding: 1rem;
    text-align: right;
    border-bottom: 1px solid var(--light-gray);
    vertical-align: middle;
}

.students-table th {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    position: sticky;
    top: 0;
    z-index: 10;
}

.students-table tr:hover {
    background: #f1f5f9;
}

.name-input {
    border: none;
    background: transparent;
    width: 100%;
    font-family: 'Tajawal', sans-serif;
    font-size: 0.9rem;
    padding: 0.25rem;
    border-radius: 4px;
    transition: var(--transition);
}

.name-input:focus {
    background: var(--white);
    border: 1px solid var(--primary-color);
    outline: none;
}

/* شارات الأفواج في الجدول */
.group-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--white);
    display: inline-block;
}

.group-badge.group-1 {
    background: var(--group-1-color);
}

.group-badge.group-2 {
    background: var(--group-2-color);
}

.group-badge.group-3 {
    background: var(--group-3-color);
}

.attendance-badges,
.payment-badges {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
    justify-content: center;
}

.attendance-badge {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.attendance-badge:hover {
    transform: scale(1.1);
    border-color: var(--text-color);
}

.attendance-badge.present {
    background: var(--secondary-color);
}

.attendance-badge.absent {
    background: var(--danger-color);
}

.attendance-badge.late {
    background: var(--warning-color);
}

.attendance-badge.not-marked {
    background: var(--light-gray);
    color: var(--text-color);
}

.payment-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    min-width: 24px;
    text-align: center;
}

.payment-badge:hover {
    transform: scale(1.05);
    border-color: var(--text-color);
}

.payment-badge.paid {
    background: #dcfce7;
    color: var(--secondary-color);
}

.payment-badge.unpaid {
    background: #fee2e2;
    color: var(--danger-color);
}

/* تفاصيل التلميذ */
.student-details-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.student-details-header h2 {
    font-family: 'Cairo', sans-serif;
    font-size: 1.75rem;
    color: var(--text-color);
}

.student-actions {
    display: flex;
    gap: 0.5rem;
}

.student-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.attendance-section,
.payments-section {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.attendance-section h3,
.payments-section h3 {
    font-family: 'Cairo', sans-serif;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.attendance-summary,
.payments-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: var(--border-radius);
}

.summary-item {
    text-align: center;
}

.summary-label {
    display: block;
    font-size: 0.8rem;
    color: #64748b;
    margin-bottom: 0.25rem;
}

.summary-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.attendance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.attendance-item {
    text-align: center;
    padding: 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
}

.attendance-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.attendance-item.present {
    background: #dcfce7;
    border-color: var(--secondary-color);
}

.attendance-item.absent {
    background: #fee2e2;
    border-color: var(--danger-color);
}

.attendance-item.late {
    background: #fef3c7;
    border-color: var(--warning-color);
}

.attendance-item h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.payments-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.payment-item {
    padding: 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.payment-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.payment-item.paid {
    background: #dcfce7;
    border-color: var(--secondary-color);
}

.payment-item.unpaid {
    background: #fee2e2;
    border-color: var(--danger-color);
}

.payment-item h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.payment-status {
    font-size: 0.8rem;
    font-weight: 600;
}

/* التذييل */
.footer {
    background: var(--text-color);
    color: var(--white);
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
}

/* الاستجابة للأجهزة المحمولة */

/* الأجهزة اللوحية */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .groups-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .student-info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .attendance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* الأجهزة المحمولة الكبيرة */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .nav {
        justify-content: center;
        gap: 0.25rem;
    }
    
    .nav-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .nav-btn i {
        display: none;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .logo i {
        font-size: 1.5rem;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .list-view-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .header-left {
        justify-content: space-between;
        width: 100%;
    }
    
    .list-controls {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .search-input {
        min-width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .pagination-info {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .students-table-container {
        margin: 0 -15px;
        border-radius: 0;
    }
    
    .students-table {
        min-width: 700px;
    }
    
    .students-table th,
    .students-table td {
        padding: 0.5rem;
        font-size: 0.8rem;
    }
    
    .attendance-badges,
    .payment-badges {
        gap: 0.125rem;
    }
    
    .attendance-badge {
        width: 24px;
        height: 24px;
        font-size: 0.6rem;
    }
    
    .payment-badge {
        padding: 0.2rem 0.4rem;
        font-size: 0.6rem;
        min-width: 20px;
    }
    
    .student-details-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .student-actions {
        justify-content: center;
    }
    
    .attendance-summary,
    .payments-summary {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .attendance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .payments-grid {
        grid-template-columns: 1fr;
    }
}

/* الأجهزة المحمولة الصغيرة */
@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .main {
        padding: 0.5rem 0;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .logo i {
        font-size: 1.2rem;
    }
    
    .nav-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
    }
    
    .dashboard-header h2 {
        font-size: 1.5rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .stat-info h3 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
    
    .btn-sm {
        padding: 0.4rem 0.8rem;
        font-size: 0.7rem;
    }
    
    .list-view-header h2 {
        font-size: 1.2rem;
    }
    
    .search-input,
    .month-filter,
    .attendance-filter,
    .group-filter {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        min-width: 100px;
    }
    
    .students-table {
        min-width: 600px;
    }
    
    .students-table th,
    .students-table td {
        padding: 0.4rem;
        font-size: 0.7rem;
    }
    
    .name-input {
        font-size: 0.8rem;
    }
    
    .attendance-badge {
        width: 20px;
        height: 20px;
        font-size: 0.5rem;
    }
    
    .payment-badge {
        padding: 0.15rem 0.3rem;
        font-size: 0.5rem;
        min-width: 18px;
    }
    
    .attendance-section,
    .payments-section {
        padding: 1rem;
    }
    
    .attendance-summary,
    .payments-summary {
        grid-template-columns: repeat(2, 1fr);
        padding: 0.5rem;
    }
    
    .summary-label {
        font-size: 0.7rem;
    }
    
    .summary-value {
        font-size: 1rem;
    }
    
    .group-card {
        padding: 1rem;
    }
    
    .group-header h4 {
        font-size: 1rem;
    }
    
    .group-badge {
        padding: 0.2rem 0.5rem;
        font-size: 0.7rem;
    }
}