/* ============================================
   衣搭 - 智能穿搭闺蜜
   全局样式表
   ============================================ */

/* ===== CSS变量 ===== */
:root {
    /* 主色调 - 黑白灰+亮色 */
    --bg-primary: #FAFAFA;
    --bg-secondary: #FFFFFF;
    --bg-dark: #1A1A2E;
    --bg-card: #FFFFFF;
    --bg-hover: #F5F5F5;
    --bg-overlay: rgba(0, 0, 0, 0.5);

    /* 文字颜色 */
    --text-primary: #1A1A2E;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --text-inverse: #FFFFFF;

    /* 主题亮色 - 珊瑚橙 */
    --accent: #FF6B6B;
    --accent-light: #FF8E8E;
    --accent-dark: #E55555;
    --accent-gradient: linear-gradient(135deg, #FF6B6B, #FF8E53);

    /* 辅助色 */
    --success: #4ECDC4;
    --warning: #FFD93D;
    --info: #4169E1;
    --purple: #8A2BE2;
    --pink: #FF69B4;

    /* 边框 */
    --border: #E8E8E8;
    --border-light: #F0F0F0;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 999px;

    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* 侧边栏 */
    --sidebar-width: 240px;

    /* 底部导航 */
    --bottom-nav-height: 64px;

    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 基础重置 ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

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

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

input, select, textarea, button {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
}

button {
    cursor: pointer;
}

.hidden {
    display: none !important;
}

/* ===== 启动页 ===== */
.splash-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.splash-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.splash-content {
    text-align: center;
}

.splash-logo {
    font-size: 64px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    animation: splashPulse 1.5s ease-in-out infinite;
}

.splash-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    margin-bottom: 40px;
}

.splash-loader {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto;
}

.loader-bar {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 3px;
    animation: loading 1.5s ease-in-out forwards;
}

@keyframes loading {
    0% { width: 0; }
    100% { width: 100%; }
}

@keyframes splashPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ===== 认证页 ===== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: var(--space-md);
}

.auth-container {
    display: flex;
    max-width: 900px;
    width: 100%;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.auth-left {
    flex: 1;
    background: var(--bg-dark);
    padding: var(--space-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.auth-left::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.2), transparent);
    top: -50px;
    right: -50px;
    border-radius: 50%;
}

.auth-left::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 142, 83, 0.15), transparent);
    bottom: -30px;
    left: -30px;
    border-radius: 50%;
}

.auth-brand {
    position: relative;
    z-index: 1;
    color: var(--text-inverse);
}

.brand-logo {
    font-size: 48px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.brand-tagline {
    font-size: 18px;
    opacity: 0.8;
    margin-bottom: 40px;
}

.brand-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    opacity: 0.9;
}

.feature-icon {
    font-size: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.auth-right {
    flex: 1;
    padding: var(--space-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-form-container {
    width: 100%;
    max-width: 360px;
}

.auth-form h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.auth-hint {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 15px;
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== 表单组件 ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 15px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(255, 107, 107, 0.4);
}

.btn-accent {
    background: var(--bg-dark);
    color: white;
}

.btn-accent:hover {
    background: #2A2A4E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-full {
    width: 100%;
}

.btn-large {
    padding: 16px 32px;
    font-size: 17px;
    border-radius: var(--radius-lg);
}

/* ===== 性别选择 ===== */
.gender-select {
    display: flex;
    gap: 12px;
}

.gender-option {
    flex: 1;
    cursor: pointer;
}

.gender-option input {
    display: none;
}

.gender-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 15px;
    transition: var(--transition);
    cursor: pointer;
}

.gender-option input:checked + .gender-btn {
    border-color: var(--accent);
    background: rgba(255, 107, 107, 0.05);
    color: var(--accent);
}

/* ===== 主应用框架 ===== */
.app {
    display: flex;
    min-height: 100vh;
}

/* ===== 侧边栏（桌面端） ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-dark);
    color: var(--text-inverse);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
    font-size: 28px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-user {
    margin-top: 12px;
    font-size: 13px;
    opacity: 0.7;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    cursor: pointer;
    font-size: 15px;
}

.sidebar-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
}

.sidebar-item.active {
    background: var(--accent-gradient);
    color: white;
    font-weight: 500;
}

.sidebar-icon {
    font-size: 20px;
}

.sidebar-footer {
    padding: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.vip-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 165, 0, 0.2));
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.vip-badge:hover {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.3), rgba(255, 165, 0, 0.3));
}

/* ===== 底部导航（移动端） ===== */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    z-index: 100;
    justify-content: space-around;
    align-items: center;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    color: var(--text-tertiary);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    font-size: 11px;
}

.nav-item.active {
    color: var(--accent);
}

.nav-icon {
    font-size: 22px;
}

.nav-label {
    font-weight: 500;
}

/* ===== 主内容区 ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--space-xl);
    min-height: 100vh;
    padding-bottom: calc(var(--space-xl) + var(--bottom-nav-height));
}

/* ===== 页面内容 ===== */
.page-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.page-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-xl);
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 4px;
}

/* ===== 分类标签 ===== */
.category-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: var(--space-xl);
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.category-tabs::-webkit-scrollbar {
    display: none;
}

.cat-tab {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid var(--border);
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
}

.cat-tab:hover {
    border-color: var(--accent);
    color: var(--accent);
}

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

/* ===== 衣橱网格 ===== */
.wardrobe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-md);
}

.cloth-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

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

.cloth-card-image {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    background: var(--bg-hover);
}

.cloth-card-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: linear-gradient(135deg, var(--bg-hover), var(--bg-primary));
}

.cloth-card-info {
    padding: 12px;
}

.cloth-card-name {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cloth-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-tertiary);
}

.cloth-color-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--border-light);
    flex-shrink: 0;
}

.cloth-card-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: var(--transition);
}

.cloth-card:hover .cloth-card-actions {
    opacity: 1;
}

.cloth-action-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.cloth-action-btn:hover {
    background: var(--accent);
    color: white;
}

/* ===== 空状态 ===== */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ===== 搭配表单 ===== */
.form-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.form-card h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.occasion-option {
    cursor: pointer;
}

.occasion-option input {
    display: none;
}

.occasion-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 8px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
    line-height: 1.4;
}

.occasion-btn:hover {
    border-color: var(--accent-light);
}

.occasion-option input:checked + .occasion-btn {
    border-color: var(--accent);
    background: rgba(255, 107, 107, 0.08);
    color: var(--accent);
    font-weight: 500;
}

/* ===== 色彩偏好 ===== */
.color-pref-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.color-pref-option {
    cursor: pointer;
}

.color-pref-option input {
    display: none;
}

.color-pref-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px 8px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.color-pref-btn small {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.color-pref-option input:checked + .color-pref-btn {
    border-color: var(--accent);
    background: rgba(255, 107, 107, 0.08);
    color: var(--accent);
}

/* ===== 搭配结果 ===== */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.results-header h3 {
    font-size: 20px;
}

.weather-tip {
    background: linear-gradient(135deg, #E3F2FD, #FFF3E0);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: var(--space-xl);
    font-size: 14px;
    line-height: 1.8;
    border-left: 4px solid var(--info);
}

.weather-tip strong {
    color: var(--info);
}

.outfit-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.outfit-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.outfit-card:hover {
    box-shadow: var(--shadow-md);
}

.outfit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
}

.outfit-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.outfit-style-tag {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    background: rgba(255, 107, 107, 0.1);
    color: var(--accent);
}

.outfit-color-scheme {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-hover);
    font-size: 13px;
    color: var(--text-secondary);
}

.outfit-color-scheme .scheme-label {
    font-weight: 500;
}

.scheme-colors {
    display: flex;
    gap: 4px;
}

.scheme-color-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.outfit-items {
    display: flex;
    gap: 12px;
    padding: 20px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.outfit-item {
    flex-shrink: 0;
    text-align: center;
    width: 100px;
}

.outfit-item-image {
    width: 100px;
    height: 120px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 8px;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.outfit-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.outfit-item-label {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.outfit-item-category {
    font-size: 11px;
    color: var(--text-tertiary);
}

.outfit-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-top: 1px solid var(--border-light);
}

.outfit-tip {
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
}

.outfit-actions {
    display: flex;
    gap: 8px;
}

.outfit-action {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.outfit-action:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.outfit-action.favorited {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ===== 搭配记录 ===== */
.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.history-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition);
}

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

.history-date {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.history-occasions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.history-occasion-tag {
    padding: 4px 10px;
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--text-secondary);
}

.history-outfits-preview {
    display: flex;
    gap: 8px;
}

.history-outfit-thumb {
    width: 60px;
    height: 72px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

/* ===== 个人中心 ===== */
.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: var(--space-xl);
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    flex-shrink: 0;
}

.profile-info h2 {
    font-size: 24px;
    margin-bottom: 8px;
}

.vip-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
}

.vip-tag.free {
    background: var(--bg-hover);
    color: var(--text-secondary);
}

.vip-tag.paid {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #1A1A2E;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.stat-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-num {
    font-size: 32px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.profile-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.menu-group {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-light);
}

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

.menu-item:hover {
    background: var(--bg-hover);
}

.menu-icon {
    font-size: 20px;
}

.menu-text {
    flex: 1;
    font-size: 15px;
}

.menu-arrow {
    color: var(--text-tertiary);
    font-size: 20px;
}

/* ===== 弹窗 ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    animation: modalFadeIn 0.3s ease;
}

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

.modal-overlay {
    position: absolute;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideUp 0.3s ease;
}

.modal-large {
    max-width: 720px;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 1;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-header h2 {
    font-size: 20px;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.modal-close:hover {
    background: var(--accent);
    color: white;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    position: sticky;
    bottom: 0;
    background: var(--bg-secondary);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ===== 上传区域 ===== */
.upload-area {
    width: 100%;
    aspect-ratio: 4/3;
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 20px;
    overflow: hidden;
    position: relative;
}

.upload-area:hover {
    border-color: var(--accent);
    background: rgba(255, 107, 107, 0.03);
}

.upload-placeholder {
    text-align: center;
    color: var(--text-tertiary);
}

.upload-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
}

.upload-placeholder p {
    font-size: 15px;
    margin-bottom: 4px;
}

.upload-placeholder small {
    font-size: 12px;
}

.upload-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== 颜色选择器 ===== */
.color-picker-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.color-picker-group input[type="color"] {
    width: 44px;
    height: 44px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 2px;
}

.color-hex {
    font-family: monospace;
    font-size: 14px;
    color: var(--text-secondary);
}

.color-presets {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.color-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.color-dot:hover {
    transform: scale(1.2);
    border-color: var(--accent);
}

/* ===== 季节选择 ===== */
.season-select {
    display: flex;
    gap: 8px;
}

.season-option {
    flex: 1;
    cursor: pointer;
}

.season-option input {
    display: none;
}

.season-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
}

.season-option input:checked + .season-btn {
    border-color: var(--accent);
    background: rgba(255, 107, 107, 0.08);
    color: var(--accent);
}

/* ===== 场合选择（小） ===== */
.occasion-select {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.occasion-sm {
    cursor: pointer;
}

.occasion-sm input {
    display: none;
}

.occasion-sm span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 13px;
    transition: var(--transition);
    cursor: pointer;
}

.occasion-sm input:checked + span {
    border-color: var(--accent);
    background: rgba(255, 107, 107, 0.08);
    color: var(--accent);
}

/* ===== 风格标签 ===== */
.style-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.style-tag {
    cursor: pointer;
}

.style-tag input {
    display: none;
}

.style-tag span {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 13px;
    transition: var(--transition);
    cursor: pointer;
}

.style-tag input:checked + span {
    border-color: var(--accent);
    background: rgba(255, 107, 107, 0.08);
    color: var(--accent);
}

/* ===== 升级会员 ===== */
.upgrade-hero {
    text-align: center;
    padding: 32px 20px;
    background: linear-gradient(135deg, #1A1A2E, #2A2A4E);
    border-radius: var(--radius-lg);
    color: white;
    margin-bottom: 24px;
}

.upgrade-crown {
    font-size: 56px;
    margin-bottom: 12px;
}

.upgrade-hero h3 {
    font-size: 22px;
    margin-bottom: 8px;
}

.upgrade-hero p {
    opacity: 0.8;
    font-size: 14px;
}

.upgrade-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.upgrade-feature {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.uf-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.upgrade-feature strong {
    display: block;
    font-size: 15px;
    margin-bottom: 2px;
}

.upgrade-feature p {
    font-size: 13px;
    color: var(--text-secondary);
}

.upgrade-plans {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.plan-card {
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.plan-popular {
    border-color: var(--accent);
    background: rgba(255, 107, 107, 0.03);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--accent-gradient);
    color: white;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.plan-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    margin-top: 4px;
}

.plan-price {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.plan-price span {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
}

.plan-save {
    font-size: 13px;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 16px;
}

.plan-features {
    list-style: none;
    text-align: left;
    margin-bottom: 20px;
}

.plan-features li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== 色彩指南 ===== */
.guide-section {
    margin-bottom: 32px;
}

.guide-section:last-child {
    margin-bottom: 0;
}

.guide-section h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.guide-section > p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.color-demo {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.color-pair, .color-trio {
    display: flex;
    align-items: center;
    gap: 8px;
}

.color-pair span {
    font-size: 16px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.color-block {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.guide-tip {
    font-size: 13px;
    color: var(--accent);
    background: rgba(255, 107, 107, 0.06);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    line-height: 1.6;
}

.universal-rules {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.rule-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.rule-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.rule-item strong {
    display: block;
    font-size: 15px;
    margin-bottom: 4px;
}

.rule-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Toast提示 ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    background: var(--bg-dark);
    color: white;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    max-width: 320px;
}

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

.toast.error {
    background: var(--accent);
    color: white;
}

.toast.warning {
    background: var(--warning);
    color: var(--text-primary);
}

@keyframes toastIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes toastOut {
    from { opacity: 1; }
    to { opacity: 0; transform: translateY(-10px); }
}

/* ===== 搭配生成动画 ===== */
.generating-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 46, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1500;
    color: white;
}

.generating-animation {
    font-size: 64px;
    animation: generateSpin 1s ease-in-out infinite;
    margin-bottom: 20px;
}

@keyframes generateSpin {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

.generating-text {
    font-size: 18px;
    opacity: 0.9;
}

.generating-subtext {
    font-size: 14px;
    opacity: 0.6;
    margin-top: 8px;
}

/* ===== 搭配详情 ===== */
.outfit-detail-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.outfit-detail-item {
    text-align: center;
}

.outfit-detail-item .item-image {
    width: 100%;
    aspect-ratio: 3/4;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 8px;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
}

.outfit-detail-item .item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.outfit-detail-item .item-name {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 2px;
}

.outfit-detail-item .item-cat {
    font-size: 11px;
    color: var(--text-tertiary);
}

.outfit-detail-tip {
    background: var(--bg-hover);
    border-radius: var(--radius-md);
    padding: 16px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    border-left: 3px solid var(--accent);
}

/* ===== 响应式设计 ===== */

/* 平板 */
@media (max-width: 1024px) {
    .sidebar {
        display: none;
    }

    .bottom-nav {
        display: flex;
    }

    .main-content {
        margin-left: 0;
    }

    .auth-left {
        display: none;
    }

    .auth-container {
        max-width: 420px;
    }

    .occasion-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

/* 手机 */
@media (max-width: 640px) {
    .main-content {
        padding: var(--space-md);
        padding-bottom: calc(var(--space-md) + var(--bottom-nav-height) + 20px);
    }

    .page-title {
        font-size: 22px;
    }

    .page-header {
        flex-direction: column;
        gap: 12px;
    }

    .wardrobe-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .upgrade-plans {
        grid-template-columns: 1fr;
    }

    .profile-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .stat-num {
        font-size: 24px;
    }

    .stat-item {
        padding: 12px;
    }

    .outfit-items {
        padding: 12px;
        gap: 8px;
    }

    .outfit-item {
        width: 80px;
    }

    .outfit-item-image {
        width: 80px;
        height: 96px;
        font-size: 28px;
    }

    .modal-content {
        max-height: 95vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        margin-top: auto;
    }

    .modal {
        align-items: flex-end;
        padding: 0;
    }

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

    .cloth-card-actions {
        opacity: 1;
    }

    .color-block {
        width: 48px;
        height: 48px;
    }

    .splash-logo {
        font-size: 48px;
    }

    .auth-form h2 {
        font-size: 24px;
    }
}

/* 超小屏幕 */
@media (max-width: 360px) {
    .wardrobe-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .cloth-card-info {
        padding: 8px;
    }

    .cloth-card-name {
        font-size: 12px;
    }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ===== 动画 ===== */
@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.animate-slide-up {
    animation: slideUp 0.4s ease forwards;
}

/* ===== 打印样式 ===== */
@media print {
    .sidebar, .bottom-nav, .modal, .toast-container {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
    }
}