/* ========================================
   E-COMMERCE MODERNO - Premium Dark Mode
   ========================================
   Author: Front-end Developer
   Project: Moda Premium E-commerce
*/

/* ========================================
   CSS Variables (Theme)
   ======================================== */
:root {
    /* Colors - Dark Premium Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #141419;
    --bg-card: #1a1a24;
    --bg-card-hover: #22222e;
    
    /* Accent Colors */
    --accent-primary: #8b5cf6;
    --accent-secondary: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Border Colors */
    --border-color: #2d2d3a;
    --border-light: #3d3d4a;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-tooltip: 400;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

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

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
}

/* ========================================
   Utility Classes
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.accent {
    color: var(--accent-primary);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
}

.header.scrolled {
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    color: var(--accent-primary);
    font-size: 1.25rem;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-icon {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.btn-icon:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.cart-count {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--accent-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle {
    display: none;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
        var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%238b5cf6' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: var(--accent-gradient);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-circle {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--accent-gradient);
    opacity: 0.15;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-card {
    position: absolute;
    width: 200px;
    height: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
    animation-delay: -3s;
}

/* ========================================
   Filters Section
   ======================================== */
.filters-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 70px;
    z-index: 50;
}

.filters {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

/* ========================================
   Catalog Section
   ======================================== */
.catalog {
    padding: var(--spacing-3xl) 0;
    min-height: 100vh;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

/* ========================================
   Cart Sidebar
   ======================================== */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-modal);
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: right var(--transition-normal);
    z-index: calc(var(--z-modal) + 1);
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.btn-close:hover {
    color: var(--text-primary);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
}

.cart-empty i {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

.cart-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease;
}

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

.cart-item-image {
    width: 80px;
    height: 80px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.cart-item-category {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.cart-item-price {
    color: var(--accent-primary);
    font-weight: 600;
}

.cart-item-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.qty-btn {
    width: 28px;
    height: 28px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.qty-btn:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
}

.qty-value {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
}

.remove-btn {
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: opacity var(--transition-fast);
}

.remove-btn:hover {
    opacity: 0.7;
}

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

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

.total-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

/* ========================================
   Checkout Section
   ======================================== */
.checkout {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
    min-height: 100vh;
}

.checkout-container {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--spacing-xl);
}

.checkout-form {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.form-section {
    margin-bottom: var(--spacing-xl);
}

.form-section h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--accent-primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.payment-methods {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.payment-option {
    flex: 1;
    min-width: 150px;
}

.payment-option input {
    display: none;
}

.payment-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.payment-option input:checked + .payment-card {
    border-color: var(--accent-primary);
    background: rgba(139, 92, 246, 0.1);
}

.checkout-summary {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.checkout-summary h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.summary-items {
    margin-bottom: var(--spacing-lg);
    max-height: 300px;
    overflow-y: auto;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.summary-item-qty {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.summary-item-price {
    font-weight: 600;
    color: var(--text-primary);
}

.summary-totals {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.summary-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.summary-total span:last-child {
    color: var(--accent-primary);
}

.empty-cart-message {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
}

/* ========================================
   Admin Section
   ======================================== */
.admin {
    padding: var(--spacing-3xl) 0;
    min-height: 100vh;
}

.admin-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.admin-sidebar {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-right: 1px solid var(--border-color);
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.admin-nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
    text-align: left;
}

.admin-nav-btn:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.admin-nav-btn.active {
    background: var(--accent-gradient);
    color: white;
}

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

.admin-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.admin-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.admin-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.admin-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.admin-card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.admin-card-info {
    display: flex;
    flex-direction: column;
}

.admin-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-card-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.admin-chart {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.admin-chart h3 {
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 200px;
    gap: var(--spacing-md);
}

.chart-bar {
    flex: 1;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    position: relative;
    height: var(--height);
    min-height: 20px;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.chart-bar:hover {
    opacity: 0.8;
    transform: scaleY(1.02);
}

.chart-bar::after {
    content: attr(data-month);
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.admin-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.admin-panel-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

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

.admin-table th,
.admin-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table td {
    color: var(--text-primary);
}

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

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-2xl) !important;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.stat-card h4 {
    margin-bottom: var(--spacing-lg);
}

.category-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.category-name {
    color: var(--text-secondary);
}

.category-count {
    background: var(--accent-gradient);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
}

.average-value {
    text-align: center;
    padding: var(--spacing-xl);
}

.big-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

/* ========================================
   Modal
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 450px;
    width: 90%;
    text-align: center;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto var(--spacing-lg);
}

.modal-icon.success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
}

.modal-content h3 {
    margin-bottom: var(--spacing-md);
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.footer-logo h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--accent-gradient);
    color: white;
    transform: translateY(-3px);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--accent-primary);
}

.footer-section ul li i {
    margin-right: var(--spacing-sm);
    color: var(--accent-primary);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.newsletter-form input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.newsletter-form button {
    background: var(--accent-gradient);
    border: none;
    color: white;
    width: 50px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.newsletter-form button:hover {
    transform: scale(1.05);
}

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

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* ========================================
   Mobile Menu
   ======================================== */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-dropdown);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav-link {
    padding: var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}