/* Modern Car Rental Portal Styles */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f8fafc;
    color: #334155;
    line-height: 1.6;
}

/* Modern Buttons */
.btn-modern {
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.025em;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

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

.btn-primary-modern {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary-modern {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success-modern {
    background: var(--gradient-success);
    color: white;
    box-shadow: var(--shadow-md);
}

/* Modern Cards */
.card-modern {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: none;
    transition: var(--transition);
    overflow: hidden;
}

.card-modern:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-modern .card-header {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-bottom: 1px solid #e2e8f0;
    padding: 20px 24px;
    font-weight: 600;
    color: var(--dark-color);
}

.card-modern .card-body {
    padding: 24px;
}

/* Glass Effect Cards */
.card-glass {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Modern Sidebar */
.sidebar-modern {
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    min-height: 100vh;
    width: 280px;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-modern .nav-link {
    color: #94a3b8;
    padding: 16px 24px;
    margin: 4px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.sidebar-modern .nav-link:hover,
.sidebar-modern .nav-link.active {
    color: white;
    background: rgba(99, 102, 241, 0.2);
    transform: translateX(8px);
}

.sidebar-modern .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--primary-color);
}

.sidebar-modern .nav-link i {
    width: 20px;
    margin-right: 12px;
}

/* Modern Main Content */
.main-content-modern {
    margin-left: 280px;
    min-height: 100vh;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    transition: var(--transition);
}

/* Modern Navbar */
.navbar-modern {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    padding: 16px 0;
}

/* Modern Form Controls */
.form-control-modern {
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    padding: 12px 16px;
    font-size: 14px;
    transition: var(--transition);
    background: white;
}

.form-control-modern:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    outline: none;
}

.form-label-modern {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 8px;
    font-size: 14px;
}

/* Modern Input Groups */
.input-group-modern {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group-modern .input-group-text {
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    padding: 12px 16px;
}

/* Modern Tables */
.table-modern {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table-modern thead {
    background: var(--gradient-primary);
    color: white;
}

.table-modern th {
    font-weight: 600;
    padding: 16px;
    border: none;
}

.table-modern td {
    padding: 16px;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: middle;
}

.table-modern tbody tr:hover {
    background: #f8fafc;
    transform: scale(1.01);
    transition: var(--transition);
}

/* Modern Badges */
.badge-modern {
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.025em;
}

.badge-success-modern {
    background: var(--gradient-success);
    color: white;
}

.badge-warning-modern {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: white;
}

.badge-danger-modern {
    background: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
    color: white;
}

/* Modern Stats Cards */
.stat-card-modern {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    opacity: 0.1;
    border-radius: 50%;
    transform: translate(30px, -30px);
}

.stat-card-modern:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-card-modern h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.stat-card-modern .stat-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    opacity: 0.3;
}

/* Modern Hero Section */
.hero-modern {
    background: var(--gradient-primary);
    color: white;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.hero-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><polygon points="1000,100 1000,0 0,100"/></svg>');
    background-size: cover;
}

.hero-modern .container {
    position: relative;
    z-index: 2;
}

/* Modern Car Cards */
.car-card-modern {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

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

.car-card-modern .car-image {
    height: 220px;
    object-fit: cover;
    width: 100%;
    transition: var(--transition);
}

.car-card-modern:hover .car-image {
    transform: scale(1.05);
}

.car-card-modern .price-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: var(--shadow-md);
}

.car-card-modern .card-body {
    padding: 24px;
}

/* Modern Booking Cards */
.booking-card-modern {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.booking-card-modern:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

/* Modern Timeline */
.timeline-modern {
    position: relative;
    padding-left: 30px;
}

.timeline-modern::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.timeline-item-modern {
    position: relative;
    padding: 20px 0;
    padding-left: 40px;
}

.timeline-item-modern::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 25px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    box-shadow: 0 0 0 4px white, 0 0 0 6px var(--primary-color);
}

.timeline-item-modern.completed::before {
    background: var(--success-color);
    box-shadow: 0 0 0 4px white, 0 0 0 6px var(--success-color);
}

/* Modern Photo Upload */
.photo-upload-modern {
    border: 2px dashed #cbd5e1;
    border-radius: var(--border-radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
    background: #f8fafc;
    position: relative;
    overflow: hidden;
}

.photo-upload-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s;
}

.photo-upload-modern:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

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

.photo-upload-modern.has-file {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.05);
}

/* Modern Alerts */
.alert-modern {
    border-radius: var(--border-radius);
    border: none;
    padding: 16px 20px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.alert-modern::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: currentColor;
}

.alert-success-modern {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border-left: 4px solid #10b981;
}

.alert-warning-modern {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border-left: 4px solid #f59e0b;
}

.alert-danger-modern {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border-left: 4px solid #ef4444;
}

.alert-info-modern {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
    border-left: 4px solid #3b82f6;
}

/* Modern Loading Animation */
.loading-modern {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Modern Responsive Design */
@media (max-width: 768px) {
    .sidebar-modern {
        transform: translateX(-100%);
    }
    
    .sidebar-modern.show {
        transform: translateX(0);
    }
    
    .main-content-modern {
        margin-left: 0;
    }
    
    .stat-card-modern h3 {
        font-size: 2rem;
    }
}

/* Modern Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

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

/* Modern Focus States */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Modern Hover Effects */
.hover-primary:hover {
    color: var(--primary-color) !important;
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-5px);
    transition: var(--transition);
}

/* Testimonials */
.testimonial-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

/* Stats Cards */
.stat-card-modern {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

/* Footer Enhancements */
footer .hover-primary:hover {
    color: var(--primary-color) !important;
    transform: scale(1.1);
    transition: var(--transition);
}

/* Booking Cards */
.booking-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.booking-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Enhanced Alerts */
.alert-success-modern {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success-color);
    border-radius: var(--border-radius);
}

.alert-danger-modern {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    border-radius: var(--border-radius);
}

.alert-warning-modern {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
    border-radius: var(--border-radius);
}

/* Form Enhancements */
.form-control-modern:focus,
.form-select-modern:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

/* Badge Enhancements */
.badge-success-modern {
    background: var(--gradient-success);
    color: white;
    border-radius: 50px;
    padding: 0.5rem 1rem;
    font-weight: 600;
}

.badge-warning-modern {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    border-radius: 50px;
    padding: 0.5rem 1rem;
    font-weight: 600;
}

.badge-danger-modern {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border-radius: 50px;
    padding: 0.5rem 1rem;
    font-weight: 600;
}

.badge-info-modern {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border-radius: 50px;
    padding: 0.5rem 1rem;
    font-weight: 600;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Cursor Pointer for Clickable Elements */
.cursor-pointer {
    cursor: pointer;
}

.document-preview:hover,
.document-item:hover {
    transform: scale(1.05);
    transition: var(--transition);
}

/* Enhanced Badge Styles */
.badge.cursor-pointer:hover {
    transform: scale(1.1);
    transition: var(--transition);
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .booking-card .row > div {
        margin-bottom: 1rem;
    }
    
    .booking-actions {
        justify-content: center !important;
    }
    
    .stat-card-modern {
        padding: 1.5rem;
    }
    
    .document-preview {
        width: 50px;
        height: 50px;
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* Modern Hover Effects */
.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.hover-glow {
    transition: var(--transition);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

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

/* Modern Glass Morphism */
.glass-morphism {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}