/* ========================================
   EuroDrive Motors - Professional CSS
   نظام إدارة تأجير وبيع السيارات
   ======================================== */

/* ========================================
   المتغيرات والألوان
   ======================================== */
:root {
    /* الألوان الأساسية */
    --primary: #00d2ff;
    --primary-dark: #0099cc;
    --primary-light: #4de1ff;
    --secondary: #ff9100;
    --secondary-dark: #cc7400;
    --success: #00bfa5;
    --success-dark: #009688;
    --danger: #ff5252;
    --danger-dark: #e53935;
    --warning: #ffb300;
    --info: #00b0ff;
    
    /* ألوان الخلفية */
    --bg-dark: #0a0f15;
    --bg-darker: #05080c;
    --bg-card: rgba(15, 25, 35, 0.95);
    --bg-sidebar: #020406;
    --bg-hover: rgba(0,210,255,0.08);
    
    /* ألوان النصوص */
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dark: #1e293b;
    
    /* الحواف والظلال */
    --border: rgba(0,210,255,0.15);
    --border-light: rgba(255,255,255,0.05);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 20px rgba(0,210,255,0.2);
    
    /* الأنيميشن */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* المسافات */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
}

/* ========================================
   الوضع الليلي (المخصص)
   ======================================== */
body.dark-mode {
    --bg-dark: #0a141c;
    --bg-darker: #03070a;
    --bg-card: rgba(10,20,28,0.95);
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
}

body.light-mode {
    --bg-dark: #f1f5f9;
    --bg-darker: #e2e8f0;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border: rgba(0,0,0,0.1);
}

/* ========================================
   الإعدادات الأساسية
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Tajawal', 'Segoe UI', system-ui, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--transition-normal);
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
    border-radius: 10px;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ========================================
   شريط التحميل العلوي
   ======================================== */
.loading-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--success));
    z-index: 10000;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--primary);
}

.loading-bar.active {
    width: 100%;
}

/* ========================================
   زر تبديل الوضع الليلي
   ======================================== */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* ========================================
   القائمة الجانبية
   ======================================== */
.sidebar {
    position: fixed;
    right: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-sidebar);
    backdrop-filter: blur(10px);
    border-left: 1px solid var(--border);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.logo i {
    font-size: 32px;
    color: var(--primary);
}

.logo h2 {
    font-size: 22px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 5px;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.sidebar-nav ul {
    list-style: none;
}

.nav-divider {
    padding: var(--spacing-md) 0 var(--spacing-sm);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.nav-item {
    margin-bottom: 5px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link i {
    width: 22px;
    font-size: 16px;
}

.nav-link:hover {
    background: var(--bg-hover);
    color: var(--primary);
    transform: translateX(-5px);
}

.nav-link.active {
    background: linear-gradient(135deg, rgba(0,210,255,0.15), rgba(255,145,0,0.05));
    color: var(--primary);
    border-right: 3px solid var(--primary);
}

.logout-form {
    width: 100%;
}

.logout-btn {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-muted);
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.version {
    text-align: center;
}

/* ========================================
   زر القائمة للجوال
   ======================================== */
.mobile-menu-btn {
    position: fixed;
    top: 15px;
    right: 15px;
    width: 45px;
    height: 45px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    z-index: 1001;
    display: none;
    box-shadow: var(--shadow-md);
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    display: none;
}

/* ========================================
   المحتوى الرئيسي
   ======================================== */
.main-content {
    margin-right: 280px;
    min-height: 100vh;
    transition: margin var(--transition-normal);
}

.top-bar {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-info h1 {
    font-size: 22px;
    margin-bottom: 4px;
}

.page-info p {
    font-size: 13px;
    color: var(--text-muted);
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.date-time {
    font-size: 13px;
    color: var(--text-muted);
    font-family: monospace;
}

.user-dropdown {
    cursor: pointer;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-hover);
    border-radius: var(--radius-md);
}

.user-info i:first-child {
    font-size: 20px;
    color: var(--primary);
}

.content-wrapper {
    padding: var(--spacing-xl);
}

/* ========================================
   بطاقات الإحصائيات
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.stat-icon {
    position: relative;
}

.stat-icon i {
    font-size: 40px;
    opacity: 0.8;
}

.stat-trend {
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 20px;
    background: var(--bg-darker);
}

.trend-up {
    color: var(--success);
}

.trend-down {
    color: var(--danger);
}

.stat-info {
    text-align: left;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    transition: width var(--transition-slow);
}

.stat-card-success .stat-value { color: var(--success); }
.stat-card-primary .stat-value { color: var(--primary); }
.stat-card-warning .stat-value { color: var(--warning); }
.stat-card-info .stat-value { color: var(--info); }

/* ========================================
   أزرار الإجراءات
   ======================================== */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    transform: translateY(-3px);
    color: #fff;
}

.action-btn-primary:hover { background: var(--primary); border-color: var(--primary); }
.action-btn-warning:hover { background: var(--warning); border-color: var(--warning); }
.action-btn-success:hover { background: var(--success); border-color: var(--success); }
.action-btn-danger:hover { background: var(--danger); border-color: var(--danger); }
.action-btn-secondary:hover { background: var(--secondary); border-color: var(--secondary); }

/* ========================================
   لوحة الفلترة
   ======================================== */
.filter-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.filter-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0,210,255,0.05);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.filter-body {
    padding: var(--spacing-lg);
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
}

.filter-input {
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 13px;
    transition: all var(--transition-fast);
}

.filter-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0,210,255,0.2);
}

.search-wrapper {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-wrapper i {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-wrapper .filter-input {
    width: 100%;
    padding-right: 35px;
}

.filter-reset {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-reset:hover {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

/* ========================================
   جدول البيانات
   ======================================== */
.data-table {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.table-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0,210,255,0.05);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.table-header h3 {
    font-size: 16px;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.table-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.table-action-btn {
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.table-action-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.table-responsive {
    overflow-x: auto;
}

.cars-table {
    width: 100%;
    border-collapse: collapse;
}

.cars-table th {
    padding: 14px 12px;
    background: rgba(0,210,255,0.05);
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    text-align: center;
}

.cars-table td {
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.cars-table tbody tr {
    transition: all var(--transition-fast);
}

.cars-table tbody tr:hover {
    background: var(--bg-hover);
}

.car-thumb {
    width: 55px;
    height: 45px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.car-placeholder {
    width: 55px;
    height: 45px;
    background: var(--bg-darker);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.car-name {
    text-align: right;
}

.car-name strong {
    display: block;
    font-size: 14px;
}

.car-model {
    font-size: 11px;
    color: var(--text-muted);
}

.badge-category {
    background: rgba(0,210,255,0.1);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
}

.fuel-badge {
    background: rgba(255,145,0,0.1);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
}

.price-cell {
    color: var(--primary);
    font-weight: bold;
}

/* شارات الحالة */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status-available {
    background: rgba(0,191,165,0.15);
    color: var(--success);
    border: 1px solid rgba(0,191,165,0.3);
}

.status-rented {
    background: rgba(255,145,0,0.15);
    color: var(--warning);
    border: 1px solid rgba(255,145,0,0.3);
}

.status-maintenance {
    background: rgba(255,82,82,0.15);
    color: var(--danger);
    border: 1px solid rgba(255,82,82,0.3);
}

.status-sold {
    background: rgba(100,116,139,0.15);
    color: var(--text-muted);
    border: 1px solid rgba(100,116,139,0.2);
}

/* أزرار الإجراءات في الجدول */
.action-buttons {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.action-icon {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.action-icon.edit {
    background: rgba(0,210,255,0.1);
    color: var(--primary);
}

.action-icon.edit:hover {
    background: var(--primary);
    color: #fff;
}

.action-icon.delete {
    background: rgba(255,82,82,0.1);
    color: var(--danger);
}

.action-icon.delete:hover {
    background: var(--danger);
    color: #fff;
}

.action-icon.rent {
    background: rgba(0,191,165,0.1);
    color: var(--success);
}

.action-icon.rent:hover {
    background: var(--success);
    color: #fff;
}

/* تذييل الجدول */
.table-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0,210,255,0.02);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.pagination-info {
    font-size: 12px;
    color: var(--text-muted);
}

/* حالة فارغة */
.empty-state {
    text-align: center;
    padding: 60px 20px !important;
}

.empty-state-content i {
    font-size: 64px;
    color: var(--text-muted);
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.empty-state-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* ========================================
   عقود الإيجار
   ======================================== */
.contracts-widget {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.widget-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0,210,255,0.05);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.widget-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.widget-title i {
    font-size: 20px;
    color: var(--primary);
}

.widget-title h3 {
    font-size: 16px;
    margin: 0;
}

.widget-badge {
    background: var(--primary);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
}

.contracts-list {
    padding: var(--spacing-md);
}

.contract-item {
    background: var(--bg-darker);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
}

.contract-item:hover {
    border-color: var(--primary);
    transform: translateX(-5px);
}

.contract-info {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.contract-id {
    font-weight: bold;
    color: var(--primary);
    font-family: monospace;
}

.contract-car {
    font-size: 13px;
}

.contract-customer {
    font-size: 12px;
    color: var(--text-muted);
}

.contract-dates {
    text-align: left;
}

.date-range {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

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

.btn-icon {
    width: 35px;
    height: 35px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--primary);
    color: #fff;
}

.widget-footer {
    padding: var(--spacing-md);
    text-align: center;
    border-top: 1px solid var(--border);
}

.view-all {
    color: var(--primary);
    text-decoration: none;
    font-size: 13px;
}

.view-all:hover {
    text-decoration: underline;
}

/* ========================================
   التنبيهات (Toast)
   ======================================== */
.toast-container {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 10000;
}

.toast-notification {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 20px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s ease;
    box-shadow: var(--shadow-md);
}

.toast-success { border-right: 3px solid var(--success); color: var(--success); }
.toast-error { border-right: 3px solid var(--danger); color: var(--danger); }
.toast-info { border-right: 3px solid var(--primary); color: var(--primary); }
.toast-warning { border-right: 3px solid var(--warning); color: var(--warning); }

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 18px;
    margin-right: auto;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========================================
   التجاوب مع الشاشات المختلفة
   ======================================== */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-right: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .sidebar-overlay.open {
        display: block;
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        padding: var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-group {
        flex-direction: column;
    }
    
    .filter-input,
    .search-wrapper {
        width: 100%;
    }
    
    .contract-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contract-info {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .contract-dates {
        text-align: center;
    }
    
    .table-header {
        flex-direction: column;
    }
    
    .table-footer {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .top-bar {
        flex-direction: column;
        text-align: center;
    }
    
    .top-bar-actions {
        justify-content: center;
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .stat-icon i {
        font-size: 30px;
    }
}

/* ========================================
   تأثيرات الطباعة
   ======================================== */
@media print {
    .sidebar,
    .theme-toggle,
    .mobile-menu-btn,
    .top-bar,
    .actions-grid,
    .filter-panel,
    .table-actions,
    .action-buttons,
    .contracts-widget {
        display: none !important;
    }
    
    .main-content {
        margin: 0;
        padding: 0;
    }
    
    .data-table {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .cars-table th,
    .cars-table td {
        color: #000;
    }
}