:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --light-bg: #f8f9fa;
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 70px;
    --header-height: 60px;
    --transition-speed: 0.3s;
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Cairo", sans-serif;
    background-color: #f5f7fa;
    line-height: 1.6;
    overflow-x: hidden;
}

/* الشريط الجانبي */
.sidebar {
    background: linear-gradient(135deg, var(--primary-color) 0%, #34495e 100%);
    color: white;
    height: 100vh;
    position: fixed;
    right: 0;
    top: 0;
    width: var(--sidebar-width);
    transition: all var(--transition-speed);
    z-index: 1000;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-brand h3,
.sidebar.collapsed .nav-link span {
    display: none;
}

.sidebar.collapsed .nav-link {
    text-align: center;
    justify-content: center;
}

.sidebar.collapsed .nav-link i {
    margin-left: 0;
}

.sidebar-brand {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-brand h3 {
    margin: 0;
    font-weight: 600;
    font-size: 1.3rem;
    transition: opacity var(--transition-speed);
}

.toggle-sidebar {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.2rem;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    margin-bottom: 0.2rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 0.8rem 1.5rem;
    transition: all var(--transition-speed);
    border-right: 3px solid transparent;
    display: flex;
    align-items: center;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    border-right-color: var(--secondary-color);
}

.nav-link i {
    width: 20px;
    margin-left: 10px;
    transition: margin var(--transition-speed);
}

.nav-link span {
    transition: opacity var(--transition-speed);
}

/* المحتوى الرئيسي */
.main-content {
    margin-right: var(--sidebar-width);
    padding: 20px;
    transition: all var(--transition-speed);
    min-height: 100vh;
}

.main-content.expanded {
    margin-right: var(--sidebar-collapsed-width);
}

/* الهيدر */
.main-header {
    background: white;
    padding: 1rem 2rem;
    border-bottom: 1px solid #eaeaea;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 0;
    z-index: 999;
}

.user-menu img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

/* البطاقات */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.04);
    transition: all var(--transition-speed);
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
}

.card-header {
    background: white;
    border-bottom: 1px solid #eaeaea;
    padding: 1rem 1.5rem;
    font-weight: 600;
}

/* الأزرار */
.btn-primary {
    background: var(--secondary-color);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    transition: all var(--transition-speed);
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success-color);
    border: none;
}

.btn-warning {
    background: var(--warning-color);
    border: none;
}

.btn-danger {
    background: var(--accent-color);
    border: none;
}

/* الجداول */
.table {
    border-radius: 8px;
    overflow: hidden;
}

.table th {
    background: var(--light-bg);
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    padding: 1rem;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
}

/* الحالة */
.status-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-approved {
    background: #d4edda;
    color: #155724;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-rejected {
    background: #f8d7da;
    color: #721c24;
}

.status-repair {
    background: #cce7ff;
    color: #004085;
}

/* التنبيهات */
.alert {
    border: none;
    border-radius: 8px;
    border-right: 4px solid;
}

/* الفورم */
.form-control,
.form-select {
    border-radius: 6px;
    border: 1px solid #ddd;
    padding: 0.75rem;
    transition: all var(--transition-speed);
}

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

/* الإحصائيات */
.stat-card {
    text-align: center;
    padding: 1.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #6c757d;
    font-size: 0.9rem;
}

/* التحميل */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* التجاوب */
@media (max-width: 992px) {
    .sidebar {
        right: -var(--sidebar-width);
    }

    .sidebar.show {
        right: 0;
    }

    .main-content {
        margin-right: 0;
    }

    .mobile-menu-btn {
        display: block;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 1rem;
    }

    .main-content {
        padding: 15px;
    }

    .card {
        margin-bottom: 1rem;
    }
}

@media (max-width: 576px) {
    .main-content {
        padding: 10px;
    }

    .btn {
        padding: 0.4rem 1rem;
        font-size: 0.9rem;
    }

    .table-responsive {
        font-size: 0.85rem;
    }
}

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

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

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

/* مكونات إضافية */
.breadcrumb {
    background: transparent;
    padding: 0.75rem 0;
}

.page-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 1rem;
}

.search-box {
    position: relative;
    margin-bottom: 1rem;
}

.search-box input {
    padding-right: 40px;
}

.search-box i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
}

/* تخصيص مكتبات خارجية */
.dataTables_wrapper .dataTables_filter input {
    margin-right: 0.5rem;
}

.select2-container--default .select2-selection--single {
    height: auto;
    padding: 0.5rem;
}

.ql-editor {
    min-height: 200px;
}