/**
 * SibylMary Store - Base Styles
 * 基础样式表
 */

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

:root {
    /* Colors */
    --color_primary: #1a1a1a;
    --color_secondary: #666;
    --color_accent: #c9a86c;
    --color_background: #faf9f7;
    --color_surface: #fff;
    --color_border: #e8e6e3;
    
    /* Typography */
    --font_heading: 'Cormorant Garamond', Georgia, serif;
    --font_body: 'Libre Franklin', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space_xs: 0.5rem;
    --space_sm: 1rem;
    --space_md: 1.5rem;
    --space_lg: 2.5rem;
    --space_xl: 4rem;
    
    /* Container */
    --container_max: 1400px;
    --container_padding: 1.5rem;
}

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

body {
    font-family: var(--font_body);
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color_primary);
    background-color: var(--color_background);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color_accent);
}

/* Top Banner */
.top_banner {
    background: var(--color_primary);
    color: var(--color_surface);
    text-align: center;
    padding: 0.625rem var(--space_sm);
    font-size: 0.8125rem;
    letter-spacing: 0.05em;
}

/* Header */
.main_header {
    background: var(--color_surface);
    border-bottom: 1px solid var(--color_border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header_inner {
    max-width: var(--container_max);
    margin: 0 auto;
    padding: var(--space_sm) var(--container_padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space_lg);
}

.site_logo {
    font-family: var(--font_heading);
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color_primary);
    flex-shrink: 0;
}

.site_logo:hover {
    color: var(--color_accent);
}

/* Navigation */
.main_nav {
    display: flex;
    gap: var(--space_lg);
    flex: 1;
    justify-content: center;
}

.main_nav a {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: var(--space_xs) 0;
    position: relative;
}

.main_nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color_accent);
    transition: width 0.3s ease;
}

.main_nav a:hover::after {
    width: 100%;
}

/* Header Actions */
.header_actions {
    display: flex;
    align-items: center;
    gap: var(--space_sm);
    flex-shrink: 0;
}

.action_btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space_xs);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color_primary);
    transition: color 0.2s ease;
}

.action_btn:hover {
    color: var(--color_accent);
}

/* Currency Dropdown */
.currency_dropdown {
    position: relative;
}

.currency_trigger {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: var(--space_xs) var(--space_sm);
    border: 1px solid var(--color_border);
    border-radius: 2px;
}

.currency_trigger .arrow {
    font-size: 0.625rem;
    margin-left: 0.25rem;
}

.currency_menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space_xs);
    background: var(--color_surface);
    border: 1px solid var(--color_border);
    border-radius: 2px;
    min-width: 160px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.currency_dropdown:hover .currency_menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.currency_menu a {
    display: block;
    padding: var(--space_xs) var(--space_sm);
    font-size: 0.8125rem;
    border-bottom: 1px solid var(--color_border);
}

.currency_menu a:last-child {
    border-bottom: none;
}

.currency_menu a.active {
    background: var(--color_background);
    color: var(--color_accent);
}

/* Cart Button */
.cart_btn {
    position: relative;
}

.cart_count {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: var(--color_accent);
    color: var(--color_surface);
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Search Overlay */
.search_overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.98);
    z-index: 200;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
}

.search_overlay.active {
    display: flex;
}

.search_container {
    width: 100%;
    max-width: 600px;
    padding: 0 var(--container_padding);
    position: relative;
}

.search_container form {
    display: flex;
    gap: var(--space_sm);
    border-bottom: 2px solid var(--color_primary);
    padding-bottom: var(--space_sm);
}

.search_container input {
    flex: 1;
    border: none;
    background: none;
    font-family: var(--font_heading);
    font-size: 1.5rem;
    color: var(--color_primary);
    outline: none;
}

.search_container input::placeholder {
    color: var(--color_secondary);
}

.search_container button[type="submit"] {
    background: var(--color_primary);
    color: var(--color_surface);
    border: none;
    padding: var(--space_xs) var(--space_md);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s ease;
}

.search_container button[type="submit"]:hover {
    background: var(--color_accent);
}

.close_search {
    position: absolute;
    top: -60px;
    right: var(--container_padding);
    background: none;
    border: none;
    font-size: 2.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--color_secondary);
    transition: color 0.2s ease;
}

.close_search:hover {
    color: var(--color_primary);
}

/* Page Content */
.page_content {
    min-height: calc(100vh - 300px);
}

/* Footer */
.main_footer {
    background: var(--color_primary);
    color: var(--color_surface);
    padding: var(--space_xl) 0 var(--space_lg);
    margin-top: var(--space_xl);
}

.footer_inner {
    max-width: var(--container_max);
    margin: 0 auto;
    padding: 0 var(--container_padding);
}

/* Newsletter */
.newsletter_section {
    text-align: center;
    padding-bottom: var(--space_lg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: var(--space_lg);
}

.newsletter_section h3 {
    font-family: var(--font_heading);
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: var(--space_xs);
}

.newsletter_section p {
    color: rgba(255,255,255,0.7);
    margin-bottom: var(--space_md);
}

.newsletter_form {
    display: flex;
    justify-content: center;
    gap: var(--space_xs);
    max-width: 450px;
    margin: 0 auto;
}

.newsletter_form input {
    flex: 1;
    padding: var(--space_sm);
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.05);
    color: var(--color_surface);
    font-size: 0.875rem;
}

.newsletter_form input::placeholder {
    color: rgba(255,255,255,0.5);
}

.newsletter_form button {
    padding: var(--space_sm) var(--space_md);
    background: var(--color_accent);
    color: var(--color_surface);
    border: none;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s ease;
}

.newsletter_form button:hover {
    background: #b8985a;
}

/* Footer Links */
.footer_links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space_lg);
    padding-bottom: var(--space_lg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: var(--space_lg);
}

.link_column h4 {
    font-family: var(--font_heading);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--space_md);
}

.link_column a {
    display: block;
    color: rgba(255,255,255,0.7);
    font-size: 0.875rem;
    margin-bottom: var(--space_xs);
    transition: color 0.2s ease;
}

.link_column a:hover {
    color: var(--color_accent);
}

.link_column p {
    color: rgba(255,255,255,0.7);
    font-size: 0.875rem;
}

.social_links {
    display: flex;
    gap: var(--space_sm);
    margin-top: var(--space_sm);
}

.social_links a {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.social_links a:hover {
    background: var(--color_accent);
    border-color: var(--color_accent);
    color: var(--color_surface);
}

/* Footer Bottom */
.footer_bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.5);
}

/* Notification */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    padding: 1.25rem 2rem;
    background: var(--color_primary);
    color: var(--color_surface);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    z-index: 10000;
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    min-width: 280px;
    text-align: center;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification.success::before {
    content: '✓ ';
    font-size: 1.1em;
}

.notification.error {
    background: #c44;
}

.notification.error::before {
    content: '✗ ';
    font-size: 1.1em;
}

/* Responsive */
@media (max-width: 768px) {
    .header_inner {
        flex-wrap: wrap;
        gap: var(--space_sm);
    }
    
    .main_nav {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: var(--space_md);
    }
    
    .footer_links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer_bottom {
        flex-direction: column;
        gap: var(--space_xs);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer_links {
        grid-template-columns: 1fr;
    }
    
    .newsletter_form {
        flex-direction: column;
    }
}