/* تصميم احترافي للنظام */

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --sidebar-width: 250px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    direction: rtl;
    text-align: right;
}

/* الشريط الجانبي */
.sidebar {
    min-height: 100vh;
    position: fixed;
    top: 0;
    right: 0;
    width: var(--sidebar-width);
    z-index: 1000;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

.sidebar-header {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar .nav-link {
    color: rgba(255,255,255,0.8);
    padding: 12px 20px;
    border-radius: 0;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover {
    background-color: rgba(255,255,255,0.1);
    color: white;
}

.sidebar .nav-link.active {
    background-color: var(--secondary-color);
    color: white;
}

/* المحتوى الرئيسي */
.main-content {
    margin-right: var(--sidebar-width);
    min-height: 100vh;
}

/* البطاقات */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 10px 10px 0 0 !important;
    border: none;
}

/* الأزرار */
.btn {
    border-radius: 25px;
    padding: 10px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), #5dade2);
    border: none;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #58d68d);
    border: none;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #f7dc6f);
    border: none;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #f1948a);
    border: none;
}

/* الجداول */
.table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    font-weight: 600;
    padding: 15px;
}

.table tbody tr {
    transition: background-color 0.3s ease;
}

.table tbody tr:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

/* النماذج */
.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 8px;
}

/* الإحصائيات */
.stats-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.stats-card .stats-icon {
    font-size: 3rem;
    opacity: 0.8;
    margin-bottom: 15px;
}

.stats-card .stats-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.stats-card .stats-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* المنيو */
.menu-category {
    margin-bottom: 40px;
}

.menu-category h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--secondary-color);
    display: inline-block;
}

.menu-item {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.menu-item::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color), var(--success-color));
}

.menu-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.menu-item-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
}

.menu-item-name {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.menu-item-description {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.menu-item-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--success-color);
    margin-bottom: 15px;
}

/* سلة التسوق */
.cart-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 350px;
    height: 100vh;
    background: white;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    z-index: 1050;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.cart-sidebar.show {
    transform: translateX(0);
}

.cart-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
}

.cart-items {
    padding: 20px;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.cart-item {
    display: flex;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.cart-item-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    margin-left: 15px;
}

.cart-item-details {
    flex: 1;
}

.cart-item-name {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.cart-item-price {
    color: var(--success-color);
    font-weight: bold;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid #ddd;
    background: #f8f9fa;
    color: #333;
    font-weight: 700;
    cursor: pointer;
    line-height: 30px;
    text-align: center;
    transition: background-color .2s ease, transform .2s ease;
}

.quantity-btn:hover {
    background: #e9ecef;
    transform: scale(1.05);
}

.cart-total {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
}

.cart-total-amount {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 15px;
}

/* التنبيهات */
.alert {
    border-radius: 10px;
    border: none;
    padding: 15px 20px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 5px;
    height: 100%;
    background: currentColor;
}

/* التحميل */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* الاستجابة */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-right: 0;
    }
    
    .cart-sidebar {
        width: 100%;
    }
}

/* تأثيرات إضافية */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

/* تحسينات للطباعة */
@media print {
    .sidebar, .cart-sidebar, .btn {
        display: none !important;
    }
    
    .main-content {
        margin-right: 0 !important;
    }
}