/*
Theme Name: 主题商城演示下载系统
Theme URI: https://example.com
Author: Your Name
Author URI: https://example.com
Description: WordPress 主题演示下载系统，带会员中心、三级分销、防盗链下载
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: theme-mall
Requires at least: 5.0
 Tested up to: 6.4
 Requires PHP: 7.4
*/

:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f3f4f6;
    --border-color: #e5e7eb;
    --text-color: #374151;
    --text-muted: #6b7280;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #f9fafb;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.site-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
}

.main-nav a:hover,
.main-nav .current-menu-item a {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

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

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

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

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
}

.search-box button {
    padding: 15px 30px;
}

/* Theme Grid */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    padding: 50px 0;
}

.theme-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.theme-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.theme-thumb {
    height: 200px;
    background: linear-gradient(135deg, #e0e7ff, #ede9fe);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--primary-color);
}

.theme-info {
    padding: 20px;
}

.theme-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.theme-title a {
    color: var(--text-color);
}

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

.theme-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 15px;
}

.theme-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--danger-color);
}

.theme-price .original-price {
    font-size: 14px;
    text-decoration: line-through;
    color: var(--text-muted);
    margin-left: 10px;
}

.theme-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.theme-actions .btn {
    flex: 1;
    padding: 10px;
}

/* Member Center */
.member-header {
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    color: #fff;
    padding: 40px 0;
}

.member-level {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    font-size: 14px;
    margin-left: 10px;
}

.member-vip { background: linear-gradient(135deg, #fbbf24, #f59e0b); }
.member-svip { background: linear-gradient(135deg, #f97316, #ef4444); }
.member-ssvip { background: linear-gradient(135deg, #7c3aed, #db2777); }

.member-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat-card {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-muted);
    font-size: 14px;
}

/* Download Page */
.download-section {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    margin: 30px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.download-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 30px;
}

.download-thumb {
    width: 200px;
    height: 150px;
    background: linear-gradient(135deg, #e0e7ff, #ede9fe);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
}

.download-info h2 {
    margin-bottom: 10px;
}

.download-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: var(--light-color);
    border-radius: 8px;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.file-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

/* Sidebar */
.sidebar-widget {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

.widget-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

/* Footer */
.site-footer {
    background: var(--dark-color);
    color: #fff;
    padding: 50px 0 20px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h4 {
    font-size: 18px;
    margin-bottom: 20px;
}

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

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a {
    color: #9ca3af;
}

.footer-column a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #9ca3af;
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .member-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Login/Register Form */
.auth-form {
    max-width: 400px;
    margin: 50px auto;
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
}

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

/* Membership Plans */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 50px 0;
}

.plan-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: relative;
    transition: transform 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-10px);
}

.plan-card.featured {
    border: 3px solid var(--primary-color);
    transform: scale(1.05);
}

.plan-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.plan-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #fff;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 14px;
}

.plan-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.plan-price {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.plan-price span {
    font-size: 16px;
    color: var(--text-muted);
}

.plan-period {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.plan-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.plan-features li:before {
    content: "✓";
    color: var(--secondary-color);
    margin-right: 10px;
}

/* Toast Notification */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #fff;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    z-index: 9999;
    display: none;
}

.toast.success { border-left: 4px solid var(--secondary-color); }
.toast.error { border-left: 4px solid var(--danger-color); }
.toast.warning { border-left: 4px solid var(--warning-color); }

/* Loading */
.loading {
    text-align: center;
    padding: 50px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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