/* Modern Design System - Matching Header Style */

:root {
    /* Colors */
    --color-primary: #ff922b;
    --color-primary-light: #ffb366;
    --color-primary-dark: #e67700;
    
    --color-secondary: #4a5568;
    --color-secondary-light: #718096;
    --color-secondary-dark: #2d3748;
    
    --color-success: #48bb78;
    --color-danger: #f56565;
    --color-warning: #ed8936;
    --color-info: #4299e1;
    
    /* Grays */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Background & Text */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-card: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    
    /* Borders */
    --border-color: #e5e7eb;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* Dark Mode Variables */
body.dark-mode {
    --bg-primary: #1a202c;
    --bg-secondary: #2d3748;
    --bg-card: #2d3748;
    --text-primary: #f7fafc;
    --text-secondary: #cbd5e0;
    --text-muted: #718096;
    --border-color: #4a5568;
    
    --color-gray-50: #1a202c;
    --color-gray-100: #2d3748;
    --color-gray-200: #4a5568;
    --color-gray-300: #718096;
    --color-gray-400: #a0aec0;
    --color-gray-500: #cbd5e0;
    --color-gray-600: #e2e8f0;
    --color-gray-700: #edf2f7;
    --color-gray-800: #f7fafc;
    --color-gray-900: #ffffff;
}

/* Dark Mode Specific Styles */
body.dark-mode {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

body.dark-mode .card {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode .card-header,
body.dark-mode .card-footer {
    background-color: rgba(0, 0, 0, 0.2) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode .btn-secondary {
    background-color: var(--color-gray-600) !important;
    color: var(--color-gray-800) !important;
    border-color: var(--color-gray-600) !important;
}

body.dark-mode .form-control,
body.dark-mode .form-select {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode .form-control:focus,
body.dark-mode .form-select:focus {
    background-color: var(--bg-primary) !important;
    border-color: var(--color-primary) !important;
}

body.dark-mode .table {
    color: var(--text-primary) !important;
}

body.dark-mode .table thead th {
    background-color: rgba(0, 0, 0, 0.3) !important;
    color: var(--text-secondary) !important;
}

body.dark-mode .list-group-item {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode .dropdown-menu {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode .dropdown-item {
    color: var(--text-primary) !important;
}

body.dark-mode .dropdown-item:hover {
    background-color: rgba(255, 146, 43, 0.1) !important;
}

body.dark-mode .alert-success {
    background-color: rgba(72, 187, 120, 0.1) !important;
    color: #68d391 !important;
}

body.dark-mode .alert-danger {
    background-color: rgba(245, 101, 101, 0.1) !important;
    color: #fc8181 !important;
}

body.dark-mode .alert-warning {
    background-color: rgba(237, 137, 54, 0.1) !important;
    color: #f6ad55 !important;
}

body.dark-mode .alert-info {
    background-color: rgba(66, 153, 225, 0.1) !important;
    color: #63b3ed !important;
}

/* Base Styles */
body {
    font-family: 'Noto Sans KR', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    line-height: 1.6;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-primary-dark);
}

/* Main Content Area */
main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-lg) 0;
}

/* Cards - Modern Style */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md);
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-md);
}

.card-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
}

/* Buttons - Modern Style */
.btn {
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius-sm);
    border: none;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: var(--color-gray-200);
    color: var(--color-gray-700);
}

.btn-secondary:hover {
    background-color: var(--color-gray-300);
    color: var(--color-gray-800);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-outline-primary:hover {
    background-color: var(--color-primary);
    color: white;
}

/* Forms - Modern Style */
.form-control,
.form-select {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.625rem 1rem;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 146, 43, 0.1);
    outline: none;
}

.form-label {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Tables - Modern Style */
.table {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.table thead th {
    background-color: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

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

/* Badges - Modern Style */
.badge {
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
}

.bg-primary {
    background-color: var(--color-primary) !important;
}

.bg-success {
    background-color: var(--color-success) !important;
}

.bg-danger {
    background-color: var(--color-danger) !important;
}

.bg-warning {
    background-color: var(--color-warning) !important;
    color: var(--text-primary) !important;
}

.bg-info {
    background-color: var(--color-info) !important;
}

/* Alerts - Modern Style */
.alert {
    border: none;
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
}

.alert-success {
    background-color: rgba(72, 187, 120, 0.1);
    color: #2f855a;
}

.alert-danger {
    background-color: rgba(245, 101, 101, 0.1);
    color: #c53030;
}

.alert-warning {
    background-color: rgba(237, 137, 54, 0.1);
    color: #c05621;
}

.alert-info {
    background-color: rgba(66, 153, 225, 0.1);
    color: #2c5282;
}

/* Hero Section - Modern Style */
.hero-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 20s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

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

.hero-section .btn {
    background-color: white;
    color: var(--color-primary);
    font-weight: 600;
}

.hero-section .btn:hover {
    background-color: var(--color-gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Feature Cards */
.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    height: 100%;
}

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

.feature-card .icon-container {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background-color: rgba(255, 146, 43, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.feature-card:hover .icon-container {
    background-color: var(--color-primary);
    transform: scale(1.1);
}

.feature-card .icon-container i {
    font-size: 2rem;
    color: var(--color-primary);
    transition: color var(--transition-base);
}

.feature-card:hover .icon-container i {
    color: white;
}

/* Footer - Modern Style */
.footer {
    background-color: var(--bg-card) !important;
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer h5, .footer h6 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.footer a {
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

.footer a:hover {
    color: var(--color-primary);
}

/* Scroll to Top Button */
#scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
}

#scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#scroll-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* Pagination - Modern Style */
.pagination {
    gap: 0.25rem;
}

.page-link {
    color: var(--text-primary);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.875rem;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
}

.page-link:hover {
    color: var(--color-primary);
    background-color: var(--bg-secondary);
    border-color: var(--color-primary);
}

.page-item.active .page-link {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Product Cards - Modern Style */
.product-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

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

.product-card .card-img-top {
    height: 240px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .card-img-top {
    transform: scale(1.05);
}

/* List Group - Modern Style */
.list-group-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.list-group-item:hover {
    background-color: var(--bg-secondary);
}

.list-group-item-action:hover {
    background-color: var(--bg-secondary);
}

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

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Utility Classes */
.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }

.bg-light { background-color: var(--bg-secondary) !important; }
.bg-white { background-color: var(--bg-card) !important; }

.border { border-color: var(--border-color) !important; }
.border-primary { border-color: var(--color-primary) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-section {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .card-body {
        padding: var(--spacing-sm);
    }
}