/**
 * 模板二 - 方案二：现代简洁风格（头部优化版）
 */

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

body {
    font: normal 12px/1.5 Arial, Tahoma, Helvetica, sans-serif;
    background: #f5f7fa;
    color: #333;
}

/* 亮色模式 */
:root {
    --link-color: #333;
    --link-hover: #1ab394;
    --border-color: #e8e8e8;
    --bg-light: #ffffff;
    --bg-gray: #f8f9fa;
    --module-header-bg: #f8f9fa;
    --primary-color: #1ab394;
    --primary-hover: #0e9a7a;
}

body.dark {
    --link-color: #ddd;
    --link-hover: #5cb0ff;
    --border-color: #2a2a4a;
    --bg-light: #1a1a2e;
    --bg-gray: #16213e;
    --module-header-bg: #16213e;
    background: #1a1a2e;
    color: #eee;
}

a:link, a:visited { text-decoration: none; color: var(--link-color); }
a:hover { text-decoration: underline; color: var(--link-hover); }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== 顶部栏 ========== */
.topbar {
    background: var(--bg-gray);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 0;
    font-size: 12px;
}

.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.date { color: #999; }

/* 顶部右侧功能区 */
.top-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

/* 邮箱下拉 - 单列显示 */
.mail-dropdown {
    position: relative;
    display: inline-block;
}

.mail-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
    font-size: 12px;
    padding: 4px 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.mail-dropdown-content {
    display: none;
    position: absolute;
    background: #fff;
    width: 200px;
    border: 1px solid var(--border-color);
    z-index: 100;
    padding: 8px 0;
    right: 0;
    top: 100%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.mail-dropdown-content.show { display: block; }
.mail-dropdown-content a {
    display: block;
    padding: 8px 15px;
    font-size: 12px;
    color: #333;
    text-decoration: none;
    transition: background 0.2s;
}
.mail-dropdown-content a:hover {
    background: #f5f5f5;
    color: var(--primary-color);
}

.theme-btn, .template-switch-btn {
    background: none;
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    transition: all 0.2s;
}

.theme-btn:hover, .template-switch-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.top-links a {
    color: #666;
    text-decoration: none;
}
.top-links a:hover { color: var(--primary-color); }

/* ========== 头部 ========== */
.header {
    background: #fff;
    padding: 25px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

body.dark .header { background: var(--bg-light); }

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

/* Logo区域 - 靠左 */
.logo-area {
    flex-shrink: 0;
}

.logo-area .logo a {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #1ab394 0%, #0e9a7a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

body.dark .logo-area .logo a {
    background: linear-gradient(135deg, #5cb0ff 0%, #4a9ae8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 搜索区域 - 居中 */
.search-area {
    flex: 1;
    max-width: 500px;
    margin: 0 auto;
}

.search-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 10px;
    gap: 5px;
}

.search-tab {
    display: inline-block;
    padding: 5px 16px;
    background: transparent;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    color: #666;
    transition: all 0.2s;
}

.search-tab.active {
    background: var(--primary-color);
    color: #fff;
}

.search-tab:hover { background: #f0f0f0; color: var(--primary-color); }

.search-box {
    display: flex;
    height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 44px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: all 0.2s;
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(26,179,148,0.15);
}

.search-input { flex: 1; }
.search-input input {
    width: 100%;
    height: 42px;
    padding: 0 18px;
    border: none;
    font-size: 14px;
    outline: none;
    background: transparent;
}

.search-btn button {
    height: 42px;
    padding: 0 28px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s;
}

.search-btn button:hover { background: var(--primary-hover); }

/* 右侧占位 - 保持平衡 */
.header-right-placeholder {
    width: 120px;
    flex-shrink: 0;
    visibility: hidden;
}

/* 其他模块样式保持不变 */
.main-layout { display: flex; gap: 20px; margin: 20px 0; }
.left-sidebar { width: 240px; flex-shrink: 0; }
.right-main { flex: 1; min-width: 0; }

.module, .hot-sites, .categories-wrapper, .tools-bottom {
    border: 1px solid var(--border-color);
    background: var(--bg-light);
    margin-bottom: 15px;
    border-radius: 12px;
    overflow: hidden;
}

.module-header, .hot-header, .categories-header, .tools-header {
    padding: 10px 15px;
    font-size: 14px;
    font-weight: 600;
    background: var(--module-header-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.module-header a, .hot-header a, .categories-header a, .tools-header a { color: var(--primary-color); }
.module-content { padding: 12px; }

.left-menu-table { width: 100%; }
.left-menu-table td { padding: 8px 4px; }
.left-menu-table td a { font-size: 13px; }

.hot-sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
    padding: 15px;
}

.hot-site-item { text-align: center; padding: 6px 4px; }
.hot-site-item a {
    font-size: 13.5px;
    color: var(--link-color);
    text-decoration: none;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.hot-site-item a:hover { color: var(--primary-color); }

.category-item {
    padding: 10px 15px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
    min-height: 42px;
}
.category-item:last-child { border-bottom: none; }

.category-name {
    font-weight: 600;
    font-size: 14px;
    min-width: 60px;
    color: var(--primary-color);
}
.category-links {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}
.category-links a { font-size: 13px; white-space: nowrap; }
.category-more { font-size: 12px; color: #999; white-space: nowrap; }
.category-more a { color: #999; }
.category-more a:hover { color: var(--primary-color); }

.tools-bottom { margin-top: 15px; }
.tools-links { padding: 15px; display: flex; flex-wrap: wrap; gap: 15px; }
.tools-links a { font-size: 12px; }
.more-link { font-size: 12px; color: #999; font-weight: normal; }

/* 列表页 */
.list-page {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
}
.breadcrumb {
    padding-bottom: 12px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}
.sub-category {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
.sub-cat-title { font-weight: 600; color: var(--primary-color); }
.sub-cat-links { display: flex; flex-wrap: wrap; gap: 15px; }

.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 12px;
    margin-top: 15px;
}
.site-grid-item {
    text-align: center;
    padding: 10px 6px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-light);
    transition: all 0.2s;
}
.site-grid-item:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.site-grid-item a {
    display: block;
    font-size: 13px;
    color: var(--link-color);
    text-decoration: none;
}
.site-grid-item a:hover { color: var(--primary-color); text-decoration: none; }

.pagination {
    text-align: center;
    padding-top: 15px;
    margin-top: 15px;
    border-top: 1px solid var(--border-color);
}
.pagination a, .pagination span {
    display: inline-block;
    padding: 5px 12px;
    margin: 0 3px;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 6px;
    font-size: 12px;
}
.pagination a:hover, .pagination a.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* 表单页 */
.form-page {
    max-width: 500px;
    margin: 20px auto;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
}
.form-title {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}
.form-title h2 { font-size: 20px; color: var(--primary-color); }
.form-group { margin-bottom: 15px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 13px;
}
.required { color: #f00; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    font-size: 13px;
}
.captcha-row { display: flex; gap: 10px; }
.captcha-row img { height: 38px; border-radius: 8px; cursor: pointer; }
.tip-box {
    background: #fff8e1;
    border: 1px solid #ffe0b2;
    border-radius: 8px;
    padding: 12px;
    margin: 15px 0;
}
.tip-box h4 { color: #fa8c16; font-size: 14px; margin-bottom: 8px; }
.tip-box code {
    display: inline-block;
    background: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
}
.form-actions { display: flex; gap: 15px; margin-top: 20px; }
.btn-submit, .btn-cancel {
    flex: 1;
    padding: 10px;
    text-align: center;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
}
.btn-submit {
    background: var(--primary-color);
    color: #fff;
    border: none;
}
.btn-submit:hover { background: var(--primary-hover); }
.btn-cancel {
    background: #f5f5f5;
    color: #666;
    border: 1px solid var(--border-color);
    text-decoration: none;
}
.alert {
    display: flex;
    gap: 12px;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
}
.alert-success { background: #f0f9f0; border: 1px solid #b2d8b2; }
.alert-error { background: #fef0f0; border: 1px solid #f5c6c6; }
.alert-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
}
.alert-success .alert-icon { background: #52c41a; }
.alert-error .alert-icon { background: #f5222d; }
.alert-content { flex: 1; }

/* 页脚 */
.footer {
    text-align: center;
    padding: 25px;
    border-top: 1px solid var(--border-color);
    margin-top: 20px;
    color: #999;
}
.footer-links { margin-bottom: 10px; }
.footer-links a { margin: 0 10px; color: #666; }
.footer-links a:hover { color: var(--primary-color); }

/* 响应式 */
@media (max-width: 768px) {
    .topbar .container { flex-direction: column; text-align: center; }
    .header .container { flex-direction: column; align-items: center; gap: 20px; }
    .logo-area { text-align: center; }
    .search-area { width: 100%; max-width: 100%; }
    .search-tabs { justify-content: center; }
    .header-right-placeholder { display: none; }
    .left-sidebar { display: none; }
    .main-layout { flex-direction: column; }
    .right-main { width: 100%; }
    .hot-sites-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
    .hot-header, .tools-header { flex-direction: column; gap: 5px; }
    .footer-links { display: flex; flex-wrap: wrap; justify-content: center; }
    .category-item { flex-direction: column; align-items: flex-start; }
    .category-name { margin-bottom: 6px; }
    .category-more { align-self: flex-end; }
}