/* TechStore - Estilos Principales */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #f97316;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #0f172a;
    --dark-soft: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --radius: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 50%, #faf5ff 100%);
    color: var(--dark);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* App Container */
.app-container {
    max-width: 480px;
    margin: 0 auto;
    background: var(--white);
    min-height: 100vh;
    position: relative;
    box-shadow: var(--shadow-xl);
}

@media (min-width: 768px) {
    .app-container {
        margin: 20px auto;
        border-radius: var(--radius-lg);
        min-height: calc(100vh - 40px);
        overflow: hidden;
    }
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 20px;
    padding-top: max(20px, env(safe-area-inset-top));
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

.header-actions {
    display: flex;
    gap: 12px;
}

.header-btn {
    width: 42px;
    height: 42px;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.15);
    border: none;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    text-decoration: none;
}

.header-btn:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

.header-btn .badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--accent);
    color: var(--white);
    font-size: 0.65rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
}

/* Search Bar */
.search-bar {
    display: flex;
    gap: 10px;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 14px 20px 14px 48px;
    border: none;
    border-radius: var(--radius);
    background: var(--white);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--dark);
    transition: var(--transition);
}

.search-input::placeholder {
    color: var(--gray-400);
}

.search-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.3);
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.search-btn {
    width: 50px;
    border: none;
    border-radius: var(--radius);
    background: var(--white);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--gray-100);
}

/* Hero Banner */
.hero-banner {
    margin: 20px;
    padding: 24px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.hero-content {
    flex: 1;
    z-index: 1;
}

.hero-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    line-height: 1.2;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--dark);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.hero-btn:hover {
    background: var(--gray-800);
    transform: translateY(-2px);
}

.hero-image {
    width: 130px;
    height: 130px;
    object-fit: contain;
    z-index: 1;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.2));
}

.hero-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 16px;
}

.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-300);
    transition: var(--transition);
}

.hero-dot.active {
    width: 24px;
    border-radius: 4px;
    background: var(--primary);
}

/* Categories */
.categories {
    padding: 0 20px;
    margin-bottom: 24px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

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

.category-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: var(--transition);
}

.category-icon.cat-1 { background: #eef2ff; color: var(--primary); }
.category-icon.cat-2 { background: #fef3c7; color: var(--warning); }
.category-icon.cat-3 { background: #fce7f3; color: #ec4899; }
.category-icon.cat-4 { background: #d1fae5; color: var(--success); }
.category-icon.cat-5 { background: #fee2e2; color: var(--danger); }
.category-icon.cat-6 { background: #e0e7ff; color: #6366f1; }

.category-name {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-600);
    text-align: center;
}

/* Section */
.section {
    padding: 0 20px;
    margin-bottom: 24px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
}

.view-all {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.view-all:hover {
    background: var(--primary-dark);
    transform: translateX(4px);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.products-scroll {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.products-scroll::-webkit-scrollbar {
    display: none;
}

.products-scroll .product-card {
    flex: 0 0 160px;
    scroll-snap-align: start;
}

/* Product Card */
.product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

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

.product-image-wrapper {
    position: relative;
    padding: 16px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

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

.product-favorite {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    color: var(--gray-400);
    z-index: 10;
}

.product-favorite:hover {
    transform: scale(1.1);
}

.product-favorite.active {
    color: var(--danger);
    background: #fee2e2;
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.product-badge.sale {
    background: var(--danger);
    color: var(--white);
}

.product-badge.new {
    background: var(--success);
    color: var(--white);
}

.product-info {
    padding: 16px;
}

.product-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
    text-decoration: none;
}

.product-name:hover {
    color: var(--primary);
}

.product-colors {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.product-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
}

.product-old-price {
    font-size: 0.8rem;
    color: var(--gray-400);
    text-decoration: line-through;
    margin-left: 8px;
}

.product-add-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    border: none;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.product-add-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

/* Product Detail */
.product-detail {
    padding-bottom: 100px;
}

.product-detail-header {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 20px;
    padding-top: max(20px, env(safe-area-inset-top));
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 16px;
    transition: var(--transition);
}

.back-btn:hover {
    opacity: 0.8;
}

.product-gallery {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: -40px;
    position: relative;
}

.product-main-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    margin-bottom: 16px;
}

.product-thumbnails {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.product-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    border: 2px solid var(--gray-200);
    padding: 8px;
    cursor: pointer;
    transition: var(--transition);
    background: var(--gray-50);
}

.product-thumbnail.active,
.product-thumbnail:hover {
    border-color: var(--primary);
}

.product-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-detail-body {
    padding: 60px 20px 20px;
    background: var(--white);
}

.product-detail-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.detail-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
}

.detail-old-price {
    font-size: 1rem;
    color: var(--gray-400);
    text-decoration: line-through;
    margin-left: 12px;
}

.detail-actions {
    display: flex;
    gap: 12px;
}

.detail-action-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.detail-action-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.detail-action-btn.active {
    background: #fee2e2;
    border-color: var(--danger);
    color: var(--danger);
}

.product-detail-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
}

/* Color Variants */
.color-variants {
    margin-bottom: 24px;
}

.variant-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.color-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.color-option {
    padding: 10px 16px;
    border-radius: var(--radius);
    border: 2px solid var(--gray-200);
    background: var(--white);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
}

.color-option:hover,
.color-option.active {
    border-color: var(--primary);
    background: #eef2ff;
    color: var(--primary);
}

/* Description */
.product-description {
    margin-bottom: 24px;
}

.product-description h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.product-description p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* Fixed Bottom Actions */
.fixed-bottom-actions {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    padding: 16px 20px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    background: var(--white);
    border-top: 1px solid var(--gray-100);
    display: flex;
    gap: 12px;
    z-index: 100;
}

.btn {
    flex: 1;
    padding: 16px 24px;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn-outline {
    background: var(--white);
    border: 2px solid var(--gray-200);
    color: var(--dark);
}

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

.btn-primary {
    background: var(--primary);
    border: 2px solid var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-success {
    background: #25d366;
    border: 2px solid #25d366;
    color: var(--white);
}

.btn-success:hover {
    background: #128c7e;
    border-color: #128c7e;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    background: var(--white);
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-around;
    padding: 12px 0;
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    color: var(--gray-500);
    font-size: 0.7rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-item .badge {
    position: absolute;
    top: -4px;
    right: 50%;
    transform: translateX(12px);
    background: var(--accent);
    color: var(--white);
    font-size: 0.6rem;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.nav-icon {
    font-size: 1.3rem;
}

/* Cart Page */
.cart-items {
    padding: 20px;
    padding-bottom: 180px;
}

.cart-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 12px;
    border: 1px solid var(--gray-100);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius);
    background: var(--gray-50);
    padding: 8px;
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

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

.cart-item-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.cart-item-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.qty-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.qty-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.qty-value {
    font-weight: 600;
    min-width: 24px;
    text-align: center;
}

.cart-item-remove {
    color: var(--gray-400);
    cursor: pointer;
    transition: var(--transition);
    margin-left: auto;
}

.cart-item-remove:hover {
    color: var(--danger);
}

/* Cart Summary */
.cart-summary {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    padding: 20px;
    background: var(--white);
    border-top: 1px solid var(--gray-100);
    z-index: 99;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.cart-total-label {
    font-size: 1rem;
    color: var(--gray-600);
}

.cart-total-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.auth-header {
    padding: 40px 20px;
    text-align: center;
}

.auth-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.auth-subtitle {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
}

.auth-body {
    flex: 1;
    background: var(--white);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 32px 24px;
}

.auth-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--dark);
    transition: var(--transition);
}

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

.google-btn {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--white);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.google-btn:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
}

.google-btn img {
    width: 20px;
    height: 20px;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.auth-divider span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.auth-link {
    text-align: center;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.auth-link a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Checkout Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal-content {
    width: 100%;
    max-width: 480px;
    background: var(--white);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 24px;
    transform: translateY(100%);
    transition: var(--transition);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--gray-200);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.empty-text {
    color: var(--gray-500);
    margin-bottom: 24px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 440px;
    width: calc(100% - 40px);
}

.toast {
    padding: 14px 20px;
    background: var(--dark);
    color: var(--white);
    border-radius: var(--radius);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

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

/* User Menu Dropdown */
.user-menu {
    position: relative;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 200;
}

.user-menu:hover .user-dropdown,
.user-dropdown:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition);
}

.user-dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.user-dropdown-item:first-child {
    border-radius: var(--radius) var(--radius) 0 0;
}

.user-dropdown-item:last-child {
    border-radius: 0 0 var(--radius) var(--radius);
}

.user-dropdown-divider {
    height: 1px;
    background: var(--gray-100);
}

/* Utilities */
.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.hidden { display: none !important; }

/* Content padding for bottom nav */
.main-content {
    padding-bottom: 80px;
}

/* Loading Spinner */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 20px;
    padding-top: max(20px, env(safe-area-inset-top));
    display: flex;
    align-items: center;
    gap: 16px;
}

.page-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
}

.page-back {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: none;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.page-back:hover {
    background: rgba(255,255,255,0.25);
}