/* ========================================
   🎨 الموقع بالكامل - TechTrade Sudan
   تصميم عصري واحترافي
======================================== */

/* ========================================
   :root - المتغيرات الأساسية
======================================== */
:root {
    /* الألوان الأساسية */
    --primary: #6C3CE1;
    --primary-dark: #5528B5;
    --primary-light: #8B6CE6;
    --secondary: #00D4FF;
    --accent: #FF6B6B;
    --gold: #FFD93D;
    --success: #00D2A0;
    --warning: #FFB800;
    --danger: #FF4757;
    --info: #00D4FF;
    /* التدرجات */
    --gradient-main: linear-gradient(135deg, #6C3CE1 0%, #00D4FF 50%, #FF6B6B 100%);
    --gradient-card: linear-gradient(135deg, rgba(108, 60, 225, 0.03), rgba(0, 212, 255, 0.03));
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
    /* الألوان العامة */
    --bg-light: #F8F6F0;
    --bg-white: #FFFFFF;
    --text-dark: #1A1A2E;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    /* الظلال */
    --shadow: 0 10px 40px rgba(108, 60, 225, 0.08);
    --shadow-hover: 0 20px 60px rgba(108, 60, 225, 0.15);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04);
    --shadow-dropdown: 0 15px 50px rgba(0, 0, 0, 0.08);
    /* الحواف */
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --border-radius-lg: 24px;
    /* الخطوط */
    --font-primary: 'Cairo', 'Segoe UI', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
}

/* ========================================
   🏛️ التنسيق العام
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-light);
    color: var(--text-dark);
    font-family: var(--font-primary);
    min-height: 100vh;
    line-height: 1.6;
    direction: rtl;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: all 0.3s ease;
}

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

::selection {
    background: var(--primary);
    color: #fff;
}

::-webkit-scrollbar {
    width: 8px;
}

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

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

    ::-webkit-scrollbar-thumb:hover {
        opacity: 0.8;
    }

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

    .card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-5px);
    }

.card-glass {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    padding: 20px 24px;
    font-weight: 700;
}

.card-body {
    padding: 24px;
}

.card-footer {
    background: transparent;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    padding: 16px 24px;
}

/* ========================================
   🔘 الأزرار (Buttons)
======================================== */
.btn {
    border-radius: 50px;
    padding: 10px 28px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    font-size: 14px;
}

.btn-primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: 0 4px 20px rgba(108, 60, 225, 0.25);
}

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 35px rgba(108, 60, 225, 0.35);
        color: #fff;
    }

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

    .btn-success:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 35px rgba(0, 210, 160, 0.35);
        color: #fff;
    }

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

    .btn-danger:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 35px rgba(255, 71, 87, 0.35);
        color: #fff;
    }

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

    .btn-warning:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 35px rgba(255, 184, 0, 0.35);
        color: #fff;
    }

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

    .btn-outline-primary:hover {
        background: var(--gradient-main);
        color: #fff;
        border-color: transparent;
        transform: translateY(-3px);
    }

.btn-sm {
    padding: 6px 16px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 40px;
    font-size: 16px;
}

/* ========================================
   📝 النماذج (Forms)
======================================== */
.form-control {
    border-radius: var(--border-radius-sm);
    border: 2px solid #E5E7EB;
    padding: 12px 18px;
    transition: all 0.3s ease;
    font-size: 14px;
    background: var(--bg-white);
}

    .form-control:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 4px rgba(108, 60, 225, 0.08);
        outline: none;
    }

    .form-control.is-invalid {
        border-color: var(--danger);
        box-shadow: 0 0 0 4px rgba(255, 71, 87, 0.08);
    }

    .form-control.is-valid {
        border-color: var(--success);
        box-shadow: 0 0 0 4px rgba(0, 210, 160, 0.08);
    }

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.form-text {
    color: var(--text-light);
    font-size: 12px;
}

/* ========================================
   📊 الجداول (Tables)
======================================== */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
}

    .table thead {
        background: var(--gradient-main);
        color: #fff;
    }

        .table thead th {
            padding: 14px 20px;
            font-weight: 600;
            border: none;
        }

    .table tbody td {
        padding: 14px 20px;
        vertical-align: middle;
        border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    }

    .table tbody tr:hover {
        background: rgba(108, 60, 225, 0.03);
    }

.table-hover tbody tr:hover {
    background: rgba(108, 60, 225, 0.04);
}

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

/* ========================================
   🔔 التنبيهات (Alerts)
======================================== */
.alert {
    border-radius: var(--border-radius-sm);
    border: none;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(0, 210, 160, 0.08);
    color: #00A87C;
    border-right: 4px solid var(--success);
}

.alert-danger {
    background: rgba(255, 71, 87, 0.08);
    color: #E63E4E;
    border-right: 4px solid var(--danger);
}

.alert-warning {
    background: rgba(255, 184, 0, 0.08);
    color: #CC9200;
    border-right: 4px solid var(--warning);
}

.alert-info {
    background: rgba(0, 212, 255, 0.08);
    color: #0099CC;
    border-right: 4px solid var(--info);
}

.alert i {
    font-size: 20px;
}

/* ========================================
   🏷️ الشارات (Badges)
======================================== */
.badge {
    padding: 6px 14px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 12px;
}

.badge-primary {
    background: var(--gradient-main);
    color: #fff;
}

.badge-success {
    background: var(--success);
    color: #fff;
}

.badge-danger {
    background: var(--danger);
    color: #fff;
}

.badge-warning {
    background: var(--warning);
    color: #fff;
}

.badge-info {
    background: var(--info);
    color: #fff;
}

/* ========================================
   📱 الصور والوسائط
======================================== */
.img-fluid {
    border-radius: var(--border-radius-sm);
}

.img-circle {
    border-radius: 50%;
}

.img-thumbnail {
    border-radius: var(--border-radius-sm);
    border: 2px solid rgba(108, 60, 225, 0.1);
    padding: 4px;
}

/* ========================================
   📄 الصفحات والهيكل
======================================== */
.container {
    max-width: 1200px;
    padding: 0 20px;
}

.page-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 24px;
}

    .page-title i {
        color: var(--primary);
        margin-left: 10px;
    }

.section-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
}

    .section-title::after {
        content: '';
        position: absolute;
        bottom: -8px;
        right: 0;
        width: 50px;
        height: 3px;
        background: var(--gradient-main);
        border-radius: 10px;
    }

/* ========================================
   ⭐ التقييمات (Ratings)
======================================== */
.rating-stars {
    color: var(--gold);
    font-size: 16px;
    letter-spacing: 2px;
}

    .rating-stars .empty {
        color: #D1D5DB;
    }

.rating-average {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-dark);
}

.rating-count {
    color: var(--text-light);
    font-size: 14px;
}

/* ========================================
   📦 المنتجات (Products)
======================================== */
.product-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

    .product-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-hover);
    }

    .product-card .product-image {
        height: 200px;
        object-fit: cover;
        width: 100%;
    }

    .product-card .product-body {
        padding: 16px 20px;
    }

    .product-card .product-title {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .product-card .product-price {
        font-size: 20px;
        font-weight: 800;
        color: var(--primary);
    }

    .product-card .product-category {
        color: var(--text-light);
        font-size: 13px;
    }

/* ========================================
   💬 الرسائل (Messages)
======================================== */
.message-sent {
    background: var(--gradient-main);
    color: #fff;
    border-radius: 16px 16px 0 16px;
    padding: 12px 18px;
    max-width: 75%;
    align-self: flex-end;
}

.message-received {
    background: #E5E7EB;
    color: var(--text-dark);
    border-radius: 16px 16px 16px 0;
    padding: 12px 18px;
    max-width: 75%;
    align-self: flex-start;
}

.message-time {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 4px;
}

/* ========================================
   👤 الملف الشخصي (Profile)
======================================== */
.profile-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    box-shadow: 0 8px 30px rgba(108, 60, 225, 0.2);
}

.profile-avatar-sm {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.profile-name {
    font-size: 24px;
    font-weight: 800;
}

.profile-email {
    color: var(--text-gray);
    font-size: 14px;
}

/* ========================================
   🛒 السلة (Cart)
======================================== */
.cart-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

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

.cart-item-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
}

.cart-item-title {
    font-weight: 600;
    font-size: 14px;
}

.cart-item-price {
    font-weight: 700;
    color: var(--primary);
}

/* ========================================
   📱 التوافق مع الجوال (Responsive)
======================================== */
@media (max-width: 992px) {
    .container {
        padding: 0 16px;
    }

    .page-title {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 20px;
    }

    .section-title {
        font-size: 18px;
    }

    .card-body {
        padding: 16px;
    }

    .profile-avatar {
        width: 120px;
        height: 120px;
    }

    .product-card .product-image {
        height: 160px;
    }
}

@media (max-width: 576px) {
    .btn {
        padding: 8px 18px;
        font-size: 12px;
    }

    .card-header {
        padding: 14px 16px;
    }

    .card-body {
        padding: 14px 16px;
    }

    .table thead th,
    .table tbody td {
        padding: 10px 12px;
        font-size: 13px;
    }
}

/* ========================================
   ✨ تأثيرات إضافية (Animations)
======================================== */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.6s ease forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   🎨 فئات مساعدة (Utilities)
======================================== */
.text-gradient {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient {
    background: var(--gradient-main);
    color: #fff;
}

.shadow-hover {
    transition: all 0.3s ease;
}

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

.rounded-lg {
    border-radius: var(--border-radius-lg);
}

.gap-2 {
    gap: 8px;
}

.gap-3 {
    gap: 16px;
}

.gap-4 {
    gap: 24px;
}

/* ========================================
   🏷️ الشريط العلوي (مدمج مع التحسينات)
======================================== */
.main-navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid transparent;
    border-image: var(--gradient-main);
    border-image-slice: 1;
    transition: all 0.3s ease;
}

    .main-navbar.navbar-scrolled {
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 5px 40px rgba(108, 60, 225, 0.1);
        padding: 8px 0;
    }

/* ========================================
   🦶 الفوتر (Footer)
======================================== */
.footer {
    background: var(--text-dark);
    color: #fff;
    padding: 60px 0 20px;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

    .footer::before {
        content: '';
        position: absolute;
        top: -100px;
        right: -100px;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(108, 60, 225, 0.05), transparent 70%);
        border-radius: 50%;
    }

    .footer::after {
        content: '';
        position: absolute;
        bottom: -100px;
        left: -100px;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(0, 212, 255, 0.05), transparent 70%);
        border-radius: 50%;
    }

.footer-title {
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    font-size: 16px;
}

    .footer-title::after {
        content: '';
        position: absolute;
        bottom: -8px;
        right: 0;
        width: 40px;
        height: 3px;
        background: var(--gradient-main);
        border-radius: 10px;
    }

.footer-text {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

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

    .footer-links li {
        margin-bottom: 10px;
    }

    .footer-links a {
        color: rgba(255, 255, 255, 0.6);
        text-decoration: none;
        transition: all 0.3s ease;
    }

        .footer-links a i {
            margin-left: 5px;
            font-size: 10px;
        }

        .footer-links a:hover {
            color: var(--secondary);
            padding-right: 8px;
        }

.footer-social a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.6);
    margin-left: 10px;
    transition: all 0.3s ease;
}

    .footer-social a:hover {
        background: var(--gradient-main);
        color: #fff;
        transform: translateY(-5px);
    }

.footer-divider {
    border-color: rgba(255, 255, 255, 0.05);
    margin: 30px 0 20px;
}

.footer-copy {
    color: rgba(255, 255, 255, 0.3);
    font-size: 14px;
}

/* ========================================
   🎯 شريط التقدم (Progress)
======================================== */
.progress {
    height: 8px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.04);
}

.progress-bar {
    background: var(--gradient-main);
    border-radius: 10px;
}

/* ========================================
   📋 القوائم (Lists)
======================================== */
.list-group-item {
    border: none;
    padding: 12px 20px;
    background: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

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

    .list-group-item:hover {
        background: rgba(108, 60, 225, 0.03);
    }

/* ========================================
   🏷️ علامات التبويب (Tabs)
======================================== */
.nav-tabs {
    border-bottom: 2px solid rgba(0, 0, 0, 0.04);
}

    .nav-tabs .nav-link {
        border: none;
        color: var(--text-gray);
        font-weight: 600;
        padding: 10px 24px;
        transition: all 0.3s ease;
    }

        .nav-tabs .nav-link:hover {
            color: var(--primary);
        }

        .nav-tabs .nav-link.active {
            color: var(--primary);
            border-bottom: 3px solid var(--primary);
            background: transparent;
        }

/* ========================================
   📈 الإحصائيات (Stats)
======================================== */
.stat-box {
    padding: 20px;
    border-radius: var(--border-radius);
    background: var(--bg-white);
    text-align: center;
    transition: all 0.3s ease;
}

    .stat-box:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow);
    }

    .stat-box .stat-icon {
        font-size: 32px;
        margin-bottom: 8px;
    }

    .stat-box .stat-number {
        font-size: 28px;
        font-weight: 800;
    }

    .stat-box .stat-label {
        color: var(--text-gray);
        font-size: 14px;
    }