/* =============================================
   🎨 منصة كودزيا سكول - الثيم الرسمي الموحد
   Light Mode - Corporate Style
   ============================================= */

/* =============================================
   المتغيرات العامة
   ============================================= */
:root {
    /* الألوان الأساسية */
    --bg-primary: #f5f6f8;
    --bg-secondary: #ffffff;
    --bg-tertiary: #fafbfc;
    --bg-hover: #f0f1f3;
    
    /* النصوص */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-inverse: #ffffff;
    
    /* الحدود */
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --border-dark: #9ca3af;
    
    /* الألوان الرسمية */
    --primary: #1e40af;         /* أزرق داكن رسمي */
    --primary-hover: #1e3a8a;
    --primary-light: #dbeafe;
    
    /* ألوان الحالات */
    --success: #15803d;         /* أخضر داكن */
    --success-hover: #166534;
    --success-light: #dcfce7;
    
    --warning: #c2410c;         /* برتقالي داكن */
    --warning-hover: #9a3412;
    --warning-light: #fed7aa;
    
    --danger: #b91c1c;          /* أحمر داكن */
    --danger-hover: #991b1b;
    --danger-light: #fee2e2;
    
    --info: #0369a1;            /* أزرق سماوي داكن */
    --info-hover: #075985;
    --info-light: #e0f2fe;
    
    /* الظلال */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* الحواف */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* المسافات */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    
    /* الانتقالات */
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Segoe UI', 'Tahoma', 'Arial', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    direction: rtl;
    line-height: 1.6;
    font-size: 14px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

/* =============================================
   الحاويات
   ============================================= */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* =============================================
   الهيدر
   ============================================= */
.header {
    background: var(--bg-secondary);
    padding: 16px 0;
    margin-bottom: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.header h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.header h1 span {
    color: var(--primary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.user-info .name {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.user-info .badge {
    background: var(--primary);
    color: var(--text-inverse);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.logout-btn,
.btn-back,
.back-btn {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.logout-btn:hover,
.btn-back:hover,
.back-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-dark);
    color: var(--text-primary);
}

/* =============================================
   التبويبات
   ============================================= */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    background: var(--bg-secondary);
    padding: 6px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
}

.tabs button {
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
}

.tabs button:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.tabs button.active {
    background: var(--primary);
    color: var(--text-inverse);
    font-weight: 600;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* =============================================
   الإحصائيات
   ============================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card .number {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.stat-card .label {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 6px;
    font-weight: 500;
}

/* =============================================
   الأقسام
   ============================================= */
.section {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

/* =============================================
   الأزرار
   ============================================= */
.btn {
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    line-height: 1.4;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* الزر الأساسي */
.btn-primary,
.section-title .btn {
    background: var(--primary);
    color: var(--text-inverse);
}

.btn-primary:hover:not(:disabled),
.section-title .btn:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* زر النجاح */
.btn-success {
    background: var(--success);
    color: var(--text-inverse);
}

.btn-success:hover:not(:disabled) {
    background: var(--success-hover);
}

/* زر الخطر */
.btn-danger,
.btn-delete {
    background: var(--danger);
    color: var(--text-inverse);
}

.btn-danger:hover:not(:disabled),
.btn-delete:hover:not(:disabled) {
    background: var(--danger-hover);
}

/* زر التحذير */
.btn-warning,
.btn-edit {
    background: var(--warning);
    color: var(--text-inverse);
}

.btn-warning:hover:not(:disabled),
.btn-edit:hover:not(:disabled) {
    background: var(--warning-hover);
}

/* زر المعلومات */
.btn-info {
    background: var(--info);
    color: var(--text-inverse);
}

.btn-info:hover:not(:disabled) {
    background: var(--info-hover);
}

/* الزر الثانوي */
.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-dark);
}

/* =============================================
   التنبيهات
   ============================================= */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    border-right: 4px solid;
    font-size: 14px;
}

.alert.danger {
    background: var(--danger-light);
    border-color: var(--danger);
    color: var(--danger-hover);
}

.alert.warning {
    background: var(--warning-light);
    border-color: var(--warning);
    color: var(--warning-hover);
}

.alert.info {
    background: var(--info-light);
    border-color: var(--info);
    color: var(--info-hover);
}

.alert.success {
    background: var(--success-light);
    border-color: var(--success);
    color: var(--success-hover);
}

.alert a {
    color: inherit;
    text-decoration: underline;
    font-weight: 600;
}

/* =============================================
   بطاقات العناصر
   ============================================= */
.item-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.item-card {
    background: var(--bg-secondary);
    padding: 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.item-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.item-card .title {
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.item-card .sub {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 3px;
}

.item-card .actions {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.item-card .actions .btn {
    padding: 6px 12px;
    font-size: 12px;
}

/* =============================================
   الحالات
   ============================================= */
.status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.status.pending,
.status-badge.status-pending {
    background: var(--warning-light);
    color: var(--warning-hover);
}

.status.approved,
.status-badge.status-approved {
    background: var(--success-light);
    color: var(--success-hover);
}

.status.rejected,
.status-badge.status-rejected {
    background: var(--danger-light);
    color: var(--danger-hover);
}

/* =============================================
   النماذج
   ============================================= */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-medium);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group input:disabled,
.form-group select:disabled {
    background: var(--bg-hover);
    color: var(--text-muted);
    cursor: not-allowed;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

/* =============================================
   النوافذ المنبثقة
   ============================================= */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    backdrop-filter: blur(2px);
}

.modal.active {
    display: flex;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-secondary);
    padding: 28px;
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-content h2 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    float: left;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* =============================================
   التحميل
   ============================================= */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border-light);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =============================================
   الحالة الفارغة
   ============================================= */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* =============================================
   الجداول
   ============================================= */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
}

th, td {
    padding: 12px 16px;
    text-align: right;
    border-bottom: 1px solid var(--border-light);
    font-size: 14px;
}

th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 13px;
    background: var(--bg-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    color: var(--text-primary);
}

tr:hover {
    background: var(--bg-hover);
}

tr:last-child td {
    border-bottom: none;
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }
    
    .header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .tabs button {
        flex: 1;
        text-align: center;
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .section {
        padding: 16px;
    }
}