/* ============================================
   main.css - الملف الرئيسي الموحد
   ============================================ */

/* --------------------------------------------
   المتغيرات العامة (Global Variables)
   -------------------------------------------- */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --dark-color: #1f2937;
    --light-color: #f3f4f6;
    --gray-color: #6b7280;
    --white-color: #ffffff;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --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);
}

/* --------------------------------------------
   إعادة تعيين الأنماط (Reset & Base)
   -------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Tajawal', 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    color: var(--dark-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

main {
    flex: 1;
}

/* --------------------------------------------
   شريط التنقل (Navbar)
   -------------------------------------------- */
.navbar {
    background: var(--gradient-primary);
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar-scrolled {
    padding: 0.5rem 0;
    backdrop-filter: blur(10px);
    background: rgba(102, 126, 234, 0.95);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white-color) !important;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand i {
    margin-left: 8px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    margin: 0 5px;
    padding: 8px 16px !important;
    border-radius: 50px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--white-color) !important;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.nav-link i {
    margin-left: 6px;
}

/* --------------------------------------------
   الأزرار (Buttons)
   -------------------------------------------- */
.btn {
    border-radius: 50px;
    padding: 10px 24px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white-color);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--gradient-primary);
    color: var(--white-color);
    transform: translateY(-2px);
}

/* --------------------------------------------
   البطاقات (Cards)
   -------------------------------------------- */
.card {
    border: none;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    background: var(--white-color);
    box-shadow: var(--shadow-md);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.card-img-container {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.card-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.card:hover .card-img-container img {
    transform: scale(1.05);
}

/* --------------------------------------------
   شريط الأقسام (Categories Bar)
   -------------------------------------------- */
.categories-bar {
    background: var(--white-color);
    padding: 15px 20px;
    border-radius: 60px;
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
}

/* --------------------------------------------
   شريط التحميل (Loading Overlay)
   -------------------------------------------- */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    color: var(--white-color);
    margin-top: 20px;
    font-size: 18px;
    font-weight: 500;
}

/* --------------------------------------------
   التنبيهات (Alerts)
   -------------------------------------------- */
.alert {
    border: none;
    border-radius: 15px;
    padding: 15px 20px;
    margin-bottom: 20px;
    animation: slideInDown 0.5s ease;
}

@keyframes slideInDown {
    from {
        transform: translateY(-100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
}

.alert-warning {
    background: linear-gradient(135deg, #fed7aa 0%, #fde68a 100%);
    color: #92400e;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
}

/* --------------------------------------------
   شريط التمرير (Scrollbar)
   -------------------------------------------- */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* --------------------------------------------
   المعاينة (Preview)
   -------------------------------------------- */
.preview-container {
    position: relative;
    background: #fff;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.preview-image {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* --------------------------------------------
   لوحة التحكم (Settings Panel)
   -------------------------------------------- */
.settings-panel {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.settings-panel h5 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* --------------------------------------------
   النماذج (Forms)
   -------------------------------------------- */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #ddd;
    padding: 10px 15px;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-range {
    width: 100%;
}

input[type="color"] {
    height: 50px;
    cursor: pointer;
    border-radius: 8px;
    border: 1px solid #ddd;
}

/* --------------------------------------------
   الجداول (Tables)
   -------------------------------------------- */
.table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
}

.table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.table thead th {
    border: none;
}

.table tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
}

/* --------------------------------------------
   البادجات (Badges)
   -------------------------------------------- */
.badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-weight: normal;
}

/* --------------------------------------------
   زر العودة للأعلى (Back to Top)
   -------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    z-index: 99;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* --------------------------------------------
   التذييل (Footer)
   -------------------------------------------- */
.social-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #f8f9fa;
    border-radius: 50%;
    color: #667eea;
    transition: all 0.3s ease;
    text-decoration: none;
    border: 1px solid #e9ecef;
}

.social-link:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.social-link i {
    font-size: 18px;
}

.footer {
    background: #2d2d2d;
    color: #f8f9fa;
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer h4, .footer h5 {
    color: white;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer .text-muted {
    color: #adb5bd !important;
}

.footer-links, .footer-stats, .footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li, .footer-stats li, .footer-contact li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #adb5bd;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: #667eea;
    transform: translateX(-5px);
}

.footer-stats li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-stats li i {
    color: #667eea;
    width: 30px;
}

.footer-stats li span {
    flex: 1;
    margin-right: 10px;
}

.footer-stats li strong {
    font-size: 18px;
    color: white;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-contact li i {
    color: #667eea;
    width: 25px;
}

.footer-contact li a {
    color: #adb5bd;
    text-decoration: none;
}

.footer-contact li a:hover {
    color: #667eea;
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
    color: #adb5bd;
}

/* --------------------------------------------
   التأثيرات الحركية (Animations)
   -------------------------------------------- */
.fade-in {
    animation: fadeIn 0.8s ease;
}

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

/* --------------------------------------------
   التجاوب مع الشاشات (Responsive)
   -------------------------------------------- */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.4rem;
    }
    
    .nav-link {
        padding: 6px 12px !important;
        font-size: 14px;
    }
    
    .btn {
        padding: 6px 16px;
        font-size: 14px;
    }
    
    .categories-bar {
        border-radius: 20px;
        padding: 10px;
    }
    
    .card-img-container {
        height: 150px;
    }
    
    .settings-panel {
        margin-top: 20px;
    }
    
    .table-responsive {
        font-size: 12px;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom .text-md-start,
    .footer-bottom .text-md-end {
        text-align: center !important;
    }
    
    .footer-bottom .col-md-6:first-child {
        margin-bottom: 10px;
    }
}

/* --------------------------------------------
   الطباعة (Print)
   -------------------------------------------- */
@media print {
    .navbar, footer, .btn, .categories-bar, .settings-panel {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .card {
        box-shadow: none;
        break-inside: avoid;
    }
    
    .preview-container {
        box-shadow: none;
        padding: 0;
    }
}