/* Design Tokens */
:root {
    --color-primary: #dc143c;
    --color-primary-dark: #b22222;
    --color-primary-light: #ff6b6b;
    --color-background: #ffffff;
    --color-surface: #f8f9fa;
    --color-text: #1a1a1a;
    --color-text-secondary: #666666;
    --color-border: #e0e0e0;
    --color-accent: #ff6b6b;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    padding-bottom: 0;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
    white-space: nowrap;
}

/* Search Bar Desktop */
.search-bar-desktop {
    display: none;
    flex: 1;
    max-width: 400px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

.search-submit {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
}

.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.search-suggestion-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background-color var(--transition);
}

.search-suggestion-item:hover {
    background-color: var(--color-surface);
    color: var(--color-primary);
}

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

/* Search Bar Mobile */
.search-bar-mobile {
    display: none;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

.search-input-mobile {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
}

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

.close-search {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
}

/* Desktop Navigation */
.nav-desktop {
    display: none;
    gap: 2.5rem;
    flex: 1;
}

.nav-desktop a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

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

.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition);
}

.nav-desktop a:hover::after {
    width: 100%;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-btn-mobile,
.cart-btn,
.user-btn,
.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: color var(--transition);
}

.search-btn-mobile:hover,
.cart-btn:hover,
.user-btn:hover,
.menu-toggle:hover {
    color: var(--color-primary);
}

.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

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

.user-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    min-width: 200px;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    margin-top: 0.5rem;
    overflow: hidden;
}

.user-dropdown.active {
    display: block;
}

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

.dropdown-header h4 {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.close-dropdown {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    display: none;
}

.dropdown-content {
    padding: 0.5rem 0;
}

.dropdown-content a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-text);
    text-decoration: none;
    transition: background-color var(--transition), color var(--transition);
    font-size: 0.9rem;
}

.dropdown-content a:hover {
    background-color: var(--color-surface);
    color: var(--color-primary);
}

.dropdown-content button {
    width: 100%;
    text-align: left;
    padding: 0.75rem 1rem;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text);
    transition: background-color var(--transition), color var(--transition);
    font-size: 0.9rem;
}

.dropdown-content button:hover {
    background-color: var(--color-surface);
    color: var(--color-primary);
}

/* Menu Toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

/* Bottom Mobile Navigation */
.nav-mobile-bottom {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--color-background);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.06);
    z-index: 99;
    justify-content: space-around;
    align-items: stretch;
}

.nav-mobile-bottom a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 500;
    transition: color var(--transition), background-color var(--transition);
    border-radius: var(--radius-lg);
    margin: 0.5rem;
}

.nav-mobile-bottom a:hover,
.nav-mobile-bottom a.active {
    color: var(--color-primary);
    background-color: var(--color-surface);
}

.nav-mobile-bottom svg {
    width: 24px;
    height: 24px;
}

/* Hero Section */
.hero {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    text-align: center;
    color: white;
    z-index: 10;
    padding: 2rem;
}

.slide-content h2 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slide-content p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-btn {
    background: white;
    color: var(--color-primary);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

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

.slider-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 20;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: white;
    width: 30px;
    border-radius: 5px;
}

/* Categories Section */
.categories-section {
    max-width: 1400px;
    margin: 4rem auto;
    padding: 0 1.5rem;
}

.categories-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: var(--color-background);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.category-card h3 {
    font-size: 1rem;
    font-weight: 600;
}

/* Products Grid */
.products-section,
.featured-products {
    max-width: 1400px;
    margin: 4rem auto;
    padding: 0 1.5rem;
}

.products-section h2,
.featured-products h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
}

@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

.product-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.product-image {
    width: 100%;
    height: 180px;
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    overflow: hidden;
}

.product-info {
    padding: 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.product-description {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
    flex-grow: 1;
}

.product-footer {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-top: auto;
}

.product-price-row {
    display: flex;
    align-items: baseline;
    gap: 0.375rem;
}

.product-price {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-price-original {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    text-decoration: line-through;
}

.product-btn-row {
    display: flex;
    gap: 0.5rem;
}

/* Shared button base */
.add-to-cart-btn,
.buy-now-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    border: none;
    padding: 0.55rem 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    font-family: inherit;
    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    line-height: 1.2;
}

.add-to-cart-btn svg,
.buy-now-btn svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    pointer-events: none;
}

/* Add to Cart - outlined style */
.add-to-cart-btn {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

.add-to-cart-btn:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 20, 60, 0.2);
}

.add-to-cart-btn:active {
    transform: translateY(0);
}

.add-to-cart-btn.added {
    background: #059669;
    color: white;
    border-color: #059669;
}

/* Buy Now - solid primary */
.buy-now-btn {
    background: var(--color-primary);
    color: white;
}

.buy-now-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(220, 20, 60, 0.35);
}

.buy-now-btn:active {
    transform: translateY(0);
}

/* Loading spinner state */
.add-to-cart-btn.loading,
.buy-now-btn.loading {
    pointer-events: none;
    opacity: 0.75;
}

.add-to-cart-btn.loading .btn-text,
.buy-now-btn.loading .btn-text {
    visibility: hidden;
}

.add-to-cart-btn.loading .btn-icon,
.buy-now-btn.loading .btn-icon {
    visibility: hidden;
}

.add-to-cart-btn.loading::after,
.buy-now-btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: btnSpin 0.6s linear infinite;
}

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

/* Mobile: buttons stay side-by-side but shrink text */
@media (max-width: 374px) {
    .product-btn-row {
        gap: 0.375rem;
    }
    .add-to-cart-btn,
    .buy-now-btn {
        padding: 0.5rem 0.25rem;
        font-size: 0.72rem;
    }
    .add-to-cart-btn svg,
    .buy-now-btn svg {
        width: 13px;
        height: 13px;
    }
}

/* Flash Sale Section */
.flash-sale {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 3rem 1.5rem;
    margin: 4rem 0;
}

.flash-sale-header {
    max-width: 1400px;
    margin: 0 auto 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.flash-sale h2 {
    font-size: 2rem;
}

.timer {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-weight: 700;
}

.time-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.time-unit span:first-child {
    font-size: 1.5rem;
}

.time-unit .label {
    font-size: 0.7rem;
    opacity: 0.9;
    font-weight: 600;
}

.separator {
    font-size: 1.5rem;
    opacity: 0.7;
}

.flash-sale .products-grid {
    max-width: 1400px;
    margin: 0 auto;
}

/* Promo Banner */
.promo-banner {
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    color: white;
    padding: 3rem 1.5rem;
    margin: 4rem 0;
    text-align: center;
}

.banner-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.banner-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.banner-btn {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.banner-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* Reviews Section */
.reviews-section {
    max-width: 1400px;
    margin: 4rem auto;
    padding: 0 1.5rem;
}

.reviews-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.reviews-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.review-card {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.stars {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.review-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.reviewer {
    font-weight: 600;
    color: var(--color-primary);
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 3rem 1.5rem 1rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition);
}

.footer-section a:hover {
    opacity: 1;
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Cart Modal */
.cart-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    align-items: flex-end;
}

.cart-modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-background);
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: 1.5rem;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
}

.cart-items {
    margin: 1rem 0 2rem;
}

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

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

.cart-item-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

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

.cart-item-remove {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
}

.empty-cart {
    text-align: center;
    color: var(--color-text-secondary);
    padding: 2rem 0;
}

.cart-summary {
    border-top: 2px solid var(--color-border);
    padding-top: 1rem;
}

.cart-summary p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
}

.checkout-btn {
    width: 100%;
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

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

@media (max-width: 768px) {
    .header-container {
        padding: 0.75rem 1rem;
        gap: 0.75rem;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .search-bar-desktop {
        display: none !important;
    }

    body {
        padding-bottom: 80px;
    }

    .nav-mobile-bottom {
        display: flex;
    }

    .hero {
        height: 350px;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .flash-sale-header {
        flex-direction: column;
        text-align: center;
    }

    .timer {
        justify-content: center;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }

    .modal-content {
        max-width: 100%;
    }

    .search-btn-mobile {
        display: flex !important;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .slide-content h2 {
        font-size: 1.5rem;
    }

    .slide-content p {
        font-size: 0.9rem;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .reviews-carousel {
        grid-template-columns: 1fr;
    }

    .header-actions {
        gap: 0.5rem;
    }
}

@media (min-width: 769px) {
    .nav-desktop {
        display: flex;
    }

    .menu-toggle {
        display: none;
    }

    .search-bar-desktop {
        display: flex;
    }

    .search-btn-mobile {
        display: none;
    }

    .nav-mobile-bottom {
        display: none !important;
    }

    body {
        padding-bottom: 0;
    }
}

/* Auth Modals - Centered Popup Overlay */
.auth-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.auth-modal.active {
    display: flex;
    opacity: 1;
    animation: modalFadeIn 0.3s ease forwards;
}

/* Override shared .modal-content for auth modals */
.auth-modal .modal-content.auth-modal-content {
    background: var(--color-background);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem 2rem;
    max-width: 420px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: modalSlideIn 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.auth-modal .close-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: var(--color-surface);
    border: none;
    font-size: 1.25rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), color var(--transition);
    z-index: 2;
}

.auth-modal .close-btn:hover {
    background: var(--color-primary);
    color: white;
}

.auth-modal h2 {
    margin-bottom: 1.5rem;
    color: var(--color-text);
    text-align: center;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-family: inherit;
    background: var(--color-background);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

.form-control::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.6;
}

.submit-btn {
    width: 100%;
    padding: 0.85rem 1.5rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.submit-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 20, 60, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.form-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.link-btn {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-weight: 600;
    text-decoration: underline;
    font-size: inherit;
    padding: 0;
    margin: 0 0.25rem;
}

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

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: var(--color-text);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    max-width: 90%;
    font-size: 0.95rem;
    font-weight: 500;
    transform: translateY(calc(100% + 2rem));
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-success {
    background: #10b981;
}

.toast-error {
    background: #ef4444;
}

.toast-info {
    background: #3b82f6;
}

/* Modal Animations */
@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes modalSlideIn {
    from {
        transform: translateY(30px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* Mobile adjustments for auth modals */
@media (max-width: 480px) {
    .auth-modal .modal-content.auth-modal-content {
        width: 95%;
        padding: 2rem 1.5rem 1.5rem;
        margin: 1rem;
        max-height: 85vh;
    }
}