:root {
    --primary: #165DFF;
    --primary-hover: #4080FF;
    --accent-orange: #FF7D00;
    --accent-green: #36D399;
    --bg-dark: #121212;
    --bg-card: #1E1E1E;
    --bg-card-hover: #2A2A2A;
    --bg-light: #FFFFFF;
    --bg-card-light: #F5F5F5;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-dark: #1A1A1A;
    --text-dark-secondary: #666666;
    --tag-text: #000000;
    --border-color: #333333;
    --border-light: #E0E0E0;
    --shadow: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-light: 0 2px 8px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --nav-height: 64px;
    --max-width: 1400px;
}

[data-theme="light"] {
    --bg-dark: #FFFFFF;
    --bg-card: #F5F5F5;
    --bg-card-hover: #EEEEEE;
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --border-color: #E0E0E0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(22,93,255,0.4);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

.btn-accent {
    background: var(--accent-orange);
    color: #fff;
}

.btn-accent:hover {
    background: #FF9A33;
    transform: translateY(-2px);
}

.tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.tag-hot {
    background: var(--accent-orange);
    color: var(--tag-text);
}

.tag-new {
    background: var(--accent-green);
    color: var(--tag-text);
}

.tag-top {
    background: var(--primary);
    color: #fff;
}

.tag-exclusive {
    background: linear-gradient(135deg, #FF6B6B, #FF8E53);
    color: #fff;
}

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

.stars {
    color: var(--accent-orange);
    font-size: 14px;
}

.stars .empty {
    color: var(--text-secondary);
    opacity: 0.3;
}

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

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

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 40px auto;
}

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

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.no-results i {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    display: flex;
}

.back-to-top:hover {
    transform: translateY(-3px);
    background: var(--primary-hover);
}