/* ================================
   LONGLQ MODERN THEME
   Version: 2.0
   ================================ */

:root {
    /* Modern Color Palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --light: #f8fafc;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #0ba360 0%, #3cba92 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --gradient-danger: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-cosmic: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
}

/* Body & Background */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

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% 80%, rgba(240, 147, 251, 0.3) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Glass Morphism Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
    transition: all 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px -15px rgb(0 0 0 / 0.3);
}

/* Modern Navbar */
.navbar-modern {
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    font-weight: 500;
    color: var(--dark) !important;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary) !important;
    transform: translateY(-2px);
}

/* Modern Buttons */
.btn-modern {
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

.btn-primary-modern:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-success-modern:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Form Controls */
.form-control-modern {
    border-radius: 12px;
    border: 2px solid rgba(99, 102, 241, 0.2);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-control-modern:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background: white;
}

/* Card Header Modern */
.card-header-modern {
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px 20px 0 0 !important;
    padding: 1.5rem;
    font-weight: 600;
    font-size: 1.25rem;
    border: none !important;
}

/* Table Modern */
.table-modern {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    overflow: hidden;
}

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

.table-modern tbody tr {
    transition: all 0.2s ease;
}

.table-modern tbody tr:hover {
    background: rgba(99, 102, 241, 0.05);
    transform: scale(1.01);
}

/* Stats Cards */
.stat-card {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary);
}

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

.stat-card .stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Stat Card Small (for Hero) */
.stat-card-small {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-card-small:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.stat-card-small .stat-icon {
    font-size: 2rem;
    color: white;
    margin-bottom: 0.5rem;
}

.stat-card-small .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
}

.stat-card-small .stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Badge Modern */
.badge-modern {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

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

.badge-warning-modern {
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    color: white;
}

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

/* Loading Animation */
.loading-modern {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 5px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Fade In Animation */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Hero Section */
.hero-modern {
    padding: 4rem 0;
    text-align: center;
}

.hero-modern h1,
.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
}

.hero-modern p,
.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

/* Section Title */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

/* Product Card */
.product-card-modern {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.product-card-modern .product-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-card-modern .product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-success);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.product-card-modern .product-body {
    padding: 1.5rem;
}

.product-card-modern .product-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.product-card-modern .product-price {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Footer Modern */
.footer-modern {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-modern a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.footer-modern a:hover {
    color: white;
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-modern h1 {
        font-size: 2rem;
    }
    
    .hero-modern p {
        font-size: 1rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

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

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

/* Alert Modern */
.alert-modern {
    border-radius: 15px;
    border: none;
    padding: 1rem 1.5rem;
    backdrop-filter: blur(10px);
}

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

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

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