/* نمط احترافي متقدم لنظام إدارة شركات النقل */
@import url('https://fonts.googleapis.com/css2?family=Almarai:wght@300;400;700;800&display=swap');

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    --dark-gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    
    --shadow-light: 0 2px 15px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.15);
    
    --border-radius: 20px;
    --border-radius-small: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Almarai', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #2c3e50;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* التأثيرات الحديثة للخلفية */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(120, 119, 255, 0.3) 0%, transparent 50%);
    z-index: -1;
    animation: gradientShift 15s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* الحاوي العام */
.container, .container-fluid {
    position: relative;
    z-index: 1;
}

/* التصميم الجديد للبطاقات */
.modern-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

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

/* الشريط الجانبي الاحترافي */
.advanced-sidebar {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.advanced-sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark-gradient);
    opacity: 0.8;
}

.advanced-sidebar .content {
    position: relative;
    z-index: 1;
}

.sidebar-header {
    padding: 30px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.sidebar-logo i {
    font-size: 2rem;
    color: white;
}

.sidebar-title {
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0;
}

.sidebar-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 5px 0 0;
}

/* الروابط الجانبية المتطورة */
.advanced-nav {
    padding: 20px 0;
}

.advanced-nav-item {
    margin: 5px 15px;
    border-radius: var(--border-radius-small);
    overflow: hidden;
    transition: var(--transition);
}

.advanced-nav-link {
    display: flex;
    align-items: center;
    padding: 18px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    backdrop-filter: blur(10px);
}

.advanced-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
    z-index: -1;
}

.advanced-nav-link:hover::before,
.advanced-nav-link.active::before {
    width: 100%;
}

.advanced-nav-link:hover,
.advanced-nav-link.active {
    color: white;
    transform: translateX(10px);
}

.advanced-nav-link i {
    width: 25px;
    font-size: 1.1rem;
    margin-left: 15px;
}

.advanced-nav-link .badge {
    margin-right: auto;
    background: var(--success-gradient);
    border: none;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* إحصائيات متطورة */
.stats-card-modern {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 30px 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stats-card-modern::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stats-card-modern:hover::before {
    opacity: 1;
}

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

.stats-card-modern .content {
    position: relative;
    z-index: 1;
}

.stats-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    transition: var(--transition);
}

.stats-card-modern:hover .stats-icon {
    transform: scale(1.1) rotate(10deg);
}

.stats-icon i {
    font-size: 1.8rem;
    color: white;
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin: 10px 0 5px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.stats-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    font-weight: 500;
}

/* الجداول المتطورة */
.modern-table {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(20px);
}

.modern-table .table {
    margin: 0;
    border: none;
}

.modern-table .table thead th {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 20px 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.modern-table .table tbody tr {
    transition: var(--transition);
    border: none;
}

.modern-table .table tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
    transform: scale(1.01);
}

.modern-table .table tbody td {
    padding: 18px 15px;
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    vertical-align: middle;
}

/* الأزرار المتطورة */
.btn-modern {
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--border-radius-small);
    padding: 15px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-modern:hover::before {
    left: 100%;
}

.btn-modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

/* التنبيهات المتطورة */
.alert-modern {
    border: none;
    border-radius: var(--border-radius);
    padding: 20px 25px;
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.alert-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
}

.alert-modern.alert-success::before { background: var(--success-gradient); }
.alert-modern.alert-warning::before { background: var(--warning-gradient); }
.alert-modern.alert-danger::before { background: var(--secondary-gradient); }

/* الحقول المتطورة */
.form-control-modern {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-small);
    padding: 18px 20px;
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.form-control-modern:focus {
    background: rgba(255, 255, 255, 1);
    border-color: transparent;
    box-shadow: 0 0 25px rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

/* الأنيميشن المتقدم */
.fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

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

.slide-in-right {
    animation: slideInRight 0.6s ease-out forwards;
    opacity: 0;
    transform: translateX(50px);
}

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

/* شاشة التحميل المتطورة */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* تحسينات للجوال */
@media (max-width: 768px) {
    .advanced-sidebar {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        z-index: 1050;
        transition: right 0.3s ease;
    }
    
    .advanced-sidebar.show {
        right: 0;
    }
    
    .modern-card {
        margin-bottom: 20px;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .btn-modern {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* تأثيرات إضافية */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* تأثيرات الانتقال الذكية */
.page-transition {
    animation: pageSlide 0.4s ease-out;
}

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