:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-bg: rgba(99,102,241,0.1);
    --bg: #f0f2f8;
    --bg-card: rgba(255,255,255,0.72);
    --bg-sidebar: rgba(255,255,255,0.6);
    --text: #1e1b4b;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border: rgba(255,255,255,0.6);
    --glass-bg: rgba(255,255,255,0.65);
    --glass-border: rgba(255,255,255,0.8);
    --glass-shadow: 0 8px 32px rgba(99,102,241,0.08);
    --glass-blur: blur(16px);
    --radius: 16px;
    --radius-sm: 12px;
    --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
    --max-width: 1600px;
    --header-height: 60px;
    --sidebar-width: 180px;
}
[data-theme="dark"] {
    --primary: #a5b4fc;
    --primary-light: #c7d2fe;
    --primary-dark: #818cf8;
    --primary-bg: rgba(165,180,252,0.12);
    --bg: #0f0f23;
    --bg-card: rgba(30,27,75,0.75);
    --bg-sidebar: rgba(30,27,75,0.55);
    --text: #e0e7ff;
    --text-secondary: #a5b4fc;
    --text-muted: #6366b1;
    --border: rgba(99,102,241,0.2);
    --glass-bg: rgba(30,27,75,0.7);
    --glass-border: rgba(99,102,241,0.2);
    --glass-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: linear-gradient(135deg, #e0e7ff 0%, #f0e6ff 25%, #fce7f3 50%, #e0f2fe 75%, #e0e7ff 100%);
    background-attachment: fixed;
    color: var(--text); line-height: 1.6; min-height: 100vh;
}
[data-theme="dark"] body {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1050 30%, #0e1a3e 60%, #0f0f23 100%);
    background-attachment: fixed;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ===== Header ===== */
.top-header {
    position: sticky; top: 0; z-index: 1000;
    background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    height: var(--header-height); box-shadow: 0 1px 12px rgba(99,102,241,0.06);
}
.header-inner {
    max-width: var(--max-width); margin: 0 auto; padding: 0 16px;
    height: 100%; display: flex; align-items: center; gap: 16px;
}
.logo {
    display: flex; align-items: center; gap: 8px;
    font-size: 20px; font-weight: 800; color: var(--primary);
    white-space: nowrap; flex-shrink: 0; letter-spacing: -0.5px;
}
.logo-icon { font-size: 26px; }
.main-nav {
    display: flex; align-items: center; gap: 2px; flex: 1;
    overflow-x: auto; -ms-overflow-style: none; scrollbar-width: none;
}
.main-nav::-webkit-scrollbar { display: none; }
.nav-item {
    padding: 8px 16px; border-radius: 10px; font-size: 14px;
    color: var(--text-secondary); transition: var(--transition);
    white-space: nowrap; font-weight: 500;
}
.nav-item:hover, .nav-item.active { color: var(--primary); background: var(--primary-bg); }
.dropdown { position: relative; }
.dropdown-menu {
    display: none; position: absolute; top: 100%; left: 0; min-width: 160px;
    background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border); border-radius: var(--radius);
    box-shadow: var(--glass-shadow); padding: 6px; z-index: 100;
}
.dropdown-menu.right { right: 0; left: auto; }
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
    display: block; padding: 8px 12px; border-radius: var(--radius-sm);
    font-size: 14px; color: var(--text); transition: var(--transition);
}
.dropdown-menu a:hover { background: var(--primary-bg); color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; flex-shrink: 0; }
.theme-toggle {
    width: 38px; height: 38px; border: none; background: var(--primary-bg);
    font-size: 18px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center; transition: var(--transition);
}
.theme-toggle:hover { background: var(--primary); color: #fff; }
[data-theme="light"] .dark-icon { display: none; }
[data-theme="dark"] .light-icon { display: none; }
.btn-login {
    padding: 8px 20px; background: var(--primary); color: #fff;
    border-radius: 10px; font-size: 13px; font-weight: 600; transition: var(--transition);
}
.btn-login:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-register {
    padding: 8px 20px; background: var(--primary-bg); color: var(--primary);
    border-radius: 10px; font-size: 13px; font-weight: 600; transition: var(--transition); border: 1px solid var(--primary);
}
.btn-register:hover { background: var(--primary); color: #fff; }
.dropdown-divider { height: 1px; background: var(--glass-border); margin: 4px 0; }
.dropdown-logout {
    background: none; border: none; color: inherit; font-size: 14px;
    cursor: pointer; padding: 8px 12px; width: 100%; text-align: left;
    display: block; border-radius: var(--radius-sm); transition: var(--transition);
}
.dropdown-logout:hover { background: var(--primary-bg); color: var(--primary); }
.user-dropdown { position: relative; }
.user-avatar {
    width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700; cursor: pointer; box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}
.btn-icon {
    width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
    border-radius: 10px; transition: var(--transition); font-size: 16px;
}
.btn-icon:hover { background: var(--primary-bg); }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 24px; color: var(--text); padding: 6px; }

/* ===== Notice ===== */
.notice-bar { padding: 10px 20px; text-align: center; position: relative; }
.notice-inner { max-width: var(--max-width); margin: 0 auto; }
.notice-text { color: #fff; font-size: 14px; }
.notice-close {
    position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
    background: none; border: none; color: #fff; font-size: 16px; opacity: 0.8; cursor: pointer;
}
.notice-close:hover { opacity: 1; }

/* ===== Layout ===== */
.main-content { max-width: var(--max-width); margin: 0 auto; padding: 16px 16px; }
.content-wrapper { display: flex; gap: 16px; }

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width); flex-shrink: 0;
    position: sticky; top: calc(var(--header-height) + 16px);
    max-height: calc(100vh - var(--header-height) - 32px);
    overflow-y: auto; display: flex; flex-direction: column; gap: 8px;
}
.sidebar::-webkit-scrollbar { width: 3px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }
.sidebar-block {
    background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius);
    border: 1px solid var(--glass-border); padding: 16px;
}
.sidebar-title { font-size: 14px; font-weight: 700; margin-bottom: 12px; color: var(--text); }
.category-menu { display: flex; flex-direction: column; gap: 2px; }
.cat-item { position: relative; }
.cat-link {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 12px; border-radius: 10px; font-size: 13px; font-weight: 500;
    color: var(--text-secondary); transition: var(--transition);
}
.cat-link:hover { background: var(--primary-bg); color: var(--primary); }
.cat-link.active, .cat-scroll-link.active { background: var(--primary-bg); color: var(--primary); font-weight: 600; }
.cat-children { padding-left: 18px; display: flex; flex-direction: column; gap: 2px; }
.cat-children a {
    padding: 5px 10px; border-radius: 8px; font-size: 12px;
    color: var(--text-muted); transition: var(--transition);
}
.cat-children a:hover { color: var(--primary); background: var(--primary-bg); }
html { scroll-behavior: smooth; }
.ad-block { padding: 0; overflow: hidden; border: none; background: none; }
.ad-text-link {
    display: block; padding: 14px; text-align: center; color: var(--primary);
    font-weight: 600; border: 2px dashed var(--primary); border-radius: var(--radius);
    transition: var(--transition); font-size: 13px; background: var(--glass-bg);
}
.ad-text-link:hover { background: var(--primary-bg); }

/* ===== Main Content ===== */
.content-main { flex: 1; min-width: 0; }

/* ===== Section ===== */
.section-block { margin-bottom: 28px; }
.section-header {
    display: flex; align-items: center;
    flex-wrap: nowrap;
    margin-bottom: 16px;
    gap: 12px;
}
.section-title {
    font-size: 18px; font-weight: 800; color: var(--text);
    display: flex; align-items: center; gap: 8px;
    flex-shrink: 0;
    white-space: nowrap;
}
.section-more {
    margin-left: auto;
    flex-shrink: 0;
}
.section-more { font-size: 13px; color: var(--primary); transition: var(--transition); font-weight: 500; }
.section-more:hover { color: var(--primary-dark); }

/* ===== Sub-cat tabs ===== */
.sub-cat-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.sub-cat-tab {
    padding: 6px 16px; border: 1px solid var(--glass-border); border-radius: 10px;
    background: var(--glass-bg); backdrop-filter: blur(8px);
    color: var(--text-secondary); font-size: 13px; font-weight: 500;
    transition: var(--transition); cursor: pointer;
}
.sub-cat-tab:hover { border-color: var(--primary); color: var(--primary); }
.sub-cat-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== Site Card Grid ===== */
.site-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.site-card {
    position: relative; background: var(--glass-bg); /* backdrop-filter removed for mobile performance */
    border: 1px solid var(--glass-border);
    border-radius: var(--radius); transition: all 0.3s ease; cursor: pointer; overflow: hidden;
}
.site-card:hover {
    box-shadow: var(--glass-shadow); transform: translateY(-3px);
    border-color: var(--primary-light); background: rgba(255,255,255,0.85);
}
[data-theme="dark"] .site-card:hover { background: rgba(30,27,75,0.9); }
.site-card-link {
    display: flex; align-items: center; gap: 12px; padding: 14px;
    text-decoration: none; color: inherit;
}
.card-icon {
    width: 44px; height: 44px; border-radius: 12px; overflow: hidden;
    flex-shrink: 0; background: rgba(255,255,255,0.5); display: flex; align-items: center; justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.card-icon img { width: 32px; height: 32px; object-fit: contain; border-radius: 8px; }
.card-info { flex: 1; min-width: 0; }
.card-title { font-size: 14px; font-weight: 700; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-desc { font-size: 12px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 2px; }
.card-footer { display: flex; align-items: center; justify-content: space-between; padding: 0 14px 10px 14px; gap: 6px; }
.card-detail-btn {
    font-size: 11px; color: var(--primary); text-decoration: none;
    padding: 2px 8px; border-radius: 4px; border: 1px solid var(--primary-bg);
    transition: var(--transition); font-weight: 500; white-space: nowrap; flex-shrink: 0;
}
.card-detail-btn:hover { background: var(--primary-bg); }
.card-tags-inline { display: flex; align-items: center; gap: 4px; overflow: hidden; min-width: 0; }
.card-badge {
    position: absolute; top: 8px; right: 8px; padding: 2px 8px;
    border-radius: 6px; font-size: 10px; font-weight: 700; color: #fff; line-height: 1.5; letter-spacing: 0.5px;
}
.card-badge.hot { background: linear-gradient(135deg, #ef4444, #dc2626); }
.card-badge.new { background: linear-gradient(135deg, #10b981, #059669); }

/* ===== 卡片标签 ===== */
.card-tags {
    display: flex; align-items: center; gap: 4px;
    padding: 0 14px 8px 14px;
    overflow: hidden; white-space: nowrap;
}
.card-tag {
    display: inline-block; padding: 1px 8px;
    border-radius: 4px; font-size: 11px;
    background: var(--primary-bg); color: var(--primary);
    border: 1px solid var(--primary-bg);
    transition: var(--transition); line-height: 1.4;
}
.card-tag.more {
    background: transparent; color: var(--text-muted);
    border-color: transparent; font-weight: 600;
}

/* ===== 标签筛选栏 ===== */
.tag-filter-bar {
    display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
    margin-bottom: 12px; padding: 0 4px;
}
.tag-filter-bar-inline {
    display: flex; flex-wrap: nowrap; align-items: center; gap: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex-shrink: 1;
    min-width: 0;
}
.tag-filter-bar-inline::-webkit-scrollbar { display: none; }
.tag-filter-bar-inline .tag-filter-btn {
    padding: 3px 10px; font-size: 11px;
    white-space: nowrap;
    flex-shrink: 0;
}
.tag-filter-btn {
    padding: 4px 12px; border-radius: 20px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg); backdrop-filter: blur(8px);
    color: var(--text-secondary); font-size: 12px;
    font-weight: 500; cursor: pointer; transition: var(--transition);
    white-space: nowrap;
}
.tag-filter-btn:hover {
    border-color: var(--primary); color: var(--primary); background: var(--primary-bg);
}
.tag-filter-btn.active {
    background: var(--primary); color: #fff; border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(99,102,241,0.25);
}
.tag-empty-state {
    grid-column: 1 / -1; text-align: center; padding: 32px 16px;
    color: var(--text-muted); font-size: 14px;
}

/* ===== Hero ===== */
.hero-section {
    padding: 20px 0 0; text-align: center; margin-bottom: 0;
}
.hero-title { display: none; }
.main-search { margin: 0 auto; position: relative; }
.search-box-wrapper {
    display: flex; background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius); overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
}
.search-box-wrapper:focus-within {
    box-shadow: 0 4px 24px rgba(99,102,241,0.15), 0 0 0 2px rgba(99,102,241,0.08);
    border-color: var(--primary-light);
    transform: translateY(-1px);
}
.search-input-main {
    flex: 1; border: none; padding: 12px 16px; font-size: 15px; outline: none; color: var(--text); min-width: 0; background: transparent;
}
.search-input-main::placeholder { color: var(--text-muted); }
.search-btn-main {
    padding: 12px 24px; background: var(--primary); color: #fff; border: none;
    font-size: 14px; font-weight: 700; white-space: nowrap; transition: var(--transition);
}
.search-btn-main:hover { background: var(--primary-dark); }
.ai-trigger-btn {
    padding: 12px 16px; background: linear-gradient(135deg, #8b5cf6, #6366f1); color: #fff;
    border: none; border-left: 1px solid rgba(255,255,255,0.2); font-size: 14px;
    cursor: pointer; transition: var(--transition); display: flex; align-items: center; gap: 4px;
}
.ai-trigger-btn:hover { background: linear-gradient(135deg, #7c3aed, #4f46e5); }
.ai-trigger-btn svg { flex-shrink: 0; }

.search-quick-engines { margin-top: 12px; display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.quick-engine-btn {
    padding: 5px 14px; border-radius: 10px; border: 1px solid var(--glass-border);
    background: var(--glass-bg); backdrop-filter: blur(8px);
    color: var(--text-secondary); font-size: 12px; font-weight: 500; transition: var(--transition);
}
.quick-engine-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-bg); }
.quick-engine-btn.active { background: var(--primary); color: #fff; font-weight: 700; border-color: var(--primary); }

/* ===== Search Page ===== */
.search-page { max-width: var(--max-width); margin: 0 auto; padding: 32px 20px; min-height: 60vh; }
.search-container { max-width: 800px; margin: 0 auto; }
.search-header h1 { font-size: 24px; margin-bottom: 8px; font-weight: 800; }
.search-header h1 span { color: var(--primary); }
.search-hint { color: var(--text-muted); font-size: 14px; }
.search-form { margin-bottom: 24px; }
.search-box.large { display: flex; margin-bottom: 12px; }
.search-box.large input {
    flex: 1; padding: 14px 20px; border: 2px solid var(--glass-border);
    border-right: none; border-radius: var(--radius) 0 0 var(--radius);
    font-size: 15px; background: var(--glass-bg); color: var(--text); outline: none; backdrop-filter: blur(8px);
}
.search-box.large input:focus { border-color: var(--primary); }
.search-box.large .btn-search {
    padding: 14px 28px; background: var(--primary); color: #fff; border: none;
    border-radius: 0 var(--radius) var(--radius) 0; font-size: 14px; font-weight: 600;
}
.search-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.search-tabs label {
    padding: 7px 16px; border-radius: 10px; font-size: 13px; cursor: pointer; font-weight: 500;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    color: var(--text-secondary); transition: var(--transition); backdrop-filter: blur(6px);
}
.search-tabs label.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.search-tabs input[type="radio"] { display: none; }
.search-results-header { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--glass-border); }

/* 搜索自动补全下拉 */
.search-suggest-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    overflow: hidden;
    max-height: 380px;
    overflow-y: auto;
    text-align: left;
}
.search-suggest-group + .search-suggest-group { border-top: 1px solid var(--glass-border); }
.search-suggest-label {
    padding: 5px 12px;
    font-size: 11px;
    color: var(--text-muted);
    background: rgba(0,0,0,0.02);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.search-suggest-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
    color: inherit;
}
.search-suggest-item:hover,
.search-suggest-item.active {
    background: var(--primary-bg);
}
.search-suggest-item img {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    object-fit: contain;
    flex-shrink: 0;
    background: #fff;
}
.search-suggest-item .ssi-title {
    flex: 1;
    font-size: 13px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.search-suggest-item .ssi-cat {
    font-size: 11px;
    color: var(--text-muted);
    flex-shrink: 0;
    background: var(--primary-bg);
    padding: 2px 8px;
    border-radius: 8px;
}
.search-suggest-empty {
    padding: 14px;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}
.search-result-item {
    display: flex; align-items: center; gap: 14px; padding: 14px 16px;
    border-radius: var(--radius-sm); transition: var(--transition); margin-bottom: 6px; text-decoration: none; color: inherit;
    background: var(--glass-bg); border: 1px solid transparent;
}
.search-result-item:hover { background: var(--primary-bg); border-color: var(--primary-light); }
.sri-icon { width: 42px; height: 42px; border-radius: 10px; object-fit: contain; flex-shrink: 0; }
.sri-info { flex: 1; min-width: 0; }
.sri-title { font-size: 15px; font-weight: 700; margin-bottom: 3px; }
.sri-desc { font-size: 13px; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sri-meta { text-align: right; flex-shrink: 0; }
.sri-cat { display: inline-block; padding: 3px 10px; background: var(--primary-bg); border-radius: 8px; font-size: 12px; color: var(--primary); font-weight: 500; }
.sri-clicks { display: block; font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.no-results { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.no-results p { margin-bottom: 8px; }
.no-results a { color: var(--primary); font-weight: 600; }

/* ===== Rankings ===== */
.rankings-page { max-width: var(--max-width); margin: 0 auto; padding: 32px 20px; }
.rank-table { width: 100%; border-collapse: collapse; }
.rank-table th { text-align: left; padding: 14px 18px; background: var(--glass-bg); font-size: 13px; color: var(--text-muted); border-bottom: 2px solid var(--glass-border); font-weight: 600; }
.rank-table td { padding: 14px 18px; border-bottom: 1px solid var(--glass-border); font-size: 14px; }
.rank-table tbody tr:hover td { background: var(--primary-bg); }
.rank-num { display: inline-flex; width: 28px; height: 28px; border-radius: 8px; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; }
.rank-num.top3 { background: var(--primary); color: #fff; }
.rank-num.normal { background: var(--primary-bg); color: var(--primary); }

/* ===== Profile & Auth ===== */
.auth-page { max-width: 440px; margin: 60px auto; padding: 40px 36px; background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-border); border-radius: var(--radius); box-shadow: var(--glass-shadow); }
.auth-page h1 { font-size: 24px; font-weight: 800; margin-bottom: 8px; text-align: center; }
.auth-page .auth-subtitle { font-size: 14px; color: var(--text-muted); text-align: center; margin-bottom: 28px; }
.auth-form .form-group { margin-bottom: 18px; }
.auth-form label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.auth-form input[type="text"], .auth-form input[type="password"], .auth-form input[type="email"], .auth-form input[type="url"] {
    width: 100%; padding: 12px 16px; border: 1px solid var(--glass-border); border-radius: 10px;
    font-size: 14px; outline: none; transition: var(--transition); background: rgba(255,255,255,0.5); color: var(--text);
}
[data-theme="dark"] .auth-form input { background: rgba(30,27,75,0.5); }
.auth-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-bg); }
.auth-form .btn { display: block; width: 100%; padding: 14px; background: var(--primary); color: #fff; border: none; border-radius: 10px; font-size: 16px; font-weight: 700; cursor: pointer; transition: var(--transition); }
.auth-form .btn:hover { background: var(--primary-dark); transform: translateY(-1px); }
.auth-links { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text-muted); }
.auth-links a { color: var(--primary); font-weight: 600; }
.flash-success, .flash-error { padding: 14px 18px; border-radius: 10px; margin-bottom: 18px; font-size: 14px; font-weight: 500; }
.flash-success { background: rgba(16,185,129,0.1); color: #16a34a; border: 1px solid rgba(16,185,129,0.3); }
.flash-error { background: rgba(239,68,68,0.1); color: #dc2626; border: 1px solid rgba(239,68,68,0.3); }

/* ===== Submit Page ===== */
.submit-page { max-width: 640px; margin: 40px auto; padding: 36px; background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-border); border-radius: var(--radius); box-shadow: var(--glass-shadow); }
.submit-page h1 { font-size: 22px; margin-bottom: 24px; font-weight: 800; }

/* ===== Footer ===== */
.site-footer {
    background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border); padding: 48px 20px 24px; margin-top: 48px;
}
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.footer-col h4 { margin-bottom: 16px; font-size: 15px; color: var(--text); font-weight: 700; }
.footer-col p, .footer-col a { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; transition: var(--transition); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--glass-border); text-align: center; font-size: 13px; color: var(--text-muted); }
.back-to-top {
    position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px;
    border-radius: 14px; background: var(--primary); color: #fff; border: none;
    font-size: 20px; box-shadow: 0 4px 16px rgba(99,102,241,0.4); cursor: pointer;
    opacity: 0; transform: translateY(20px); transition: var(--transition);
    z-index: 99; pointer-events: none;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ===== Pagination ===== */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 28px; }
.pagination a {
    padding: 10px 16px; border: 1px solid var(--glass-border); border-radius: 10px;
    font-size: 14px; font-weight: 500; color: var(--text-secondary); transition: var(--transition); background: var(--glass-bg);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== Buttons ===== */
.btn { padding: 10px 20px; border-radius: 10px; border: none; font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-secondary { background: var(--glass-bg); color: var(--text-secondary); border: 1px solid var(--glass-border); backdrop-filter: blur(8px); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: 8px; }
.btn-danger { background: #ef4444; color: #fff; }
.btn-success { background: #10b981; color: #fff; }
.btn-warning { background: #f59e0b; color: #fff; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 11px 15px; border: 1px solid var(--glass-border); border-radius: 10px;
    font-size: 14px; outline: none; transition: var(--transition); background: rgba(255,255,255,0.5); color: var(--text);
}
[data-theme="dark"] .form-group input, [data-theme="dark"] .form-group select, [data-theme="dark"] .form-group textarea { background: rgba(30,27,75,0.5); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-bg); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 8px; font-size: 11px; font-weight: 700; letter-spacing: 0.3px; }
.badge-success { background: rgba(16,185,129,0.15); color: #16a34a; }
.badge-danger { background: rgba(239,68,68,0.15); color: #dc2626; }
.badge-warning { background: rgba(245,158,11,0.15); color: #d97706; }
.badge-info { background: rgba(59,130,246,0.15); color: #2563eb; }
.badge-pending { background: rgba(245,158,11,0.15); color: #d97706; }

/* ===== Responsive ===== */
@media (max-width: 1200px) { .site-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 900px) {
    .content-wrapper { flex-direction: column; }
    .sidebar { width: 100%; position: static; max-height: none; }
    .sidebar-block { border: none; padding: 8px 0; background: none; backdrop-filter: none; }
    .category-menu { flex-direction: row; flex-wrap: wrap; gap: 4px; }
    .cat-link { padding: 6px 12px; }
    .site-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .site-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-row { grid-template-columns: 1fr; }
    .search-box-wrapper { flex-direction: column; border-radius: var(--radius); overflow: hidden; }
    .search-btn-main { padding: 12px 20px; }
    .ai-trigger-btn { padding: 12px 16px; border-left: none; border-top: 1px solid rgba(255,255,255,0.2); }
    .main-nav { display: none; }
    .main-nav.open {
        display: flex; flex-direction: column; position: absolute;
        top: var(--header-height); left: 0; right: 0;
        background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
        border-bottom: 1px solid var(--glass-border);
        padding: 12px; box-shadow: var(--glass-shadow); z-index: 999;
    }
    .mobile-menu-btn { display: block; }
    .header-actions .btn-login { display: none; }
}
@media (max-width: 480px) {
    .site-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
/* ===== Animations (F-01) ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}
.site-card {
    animation: fadeInUp 0.35s ease-out both;
}
.site-card:nth-child(2) { animation-delay: 0.03s; }
.site-card:nth-child(3) { animation-delay: 0.06s; }
.site-card:nth-child(4) { animation-delay: 0.09s; }
.site-card:nth-child(5) { animation-delay: 0.12s; }
.site-card:nth-child(6) { animation-delay: 0.15s; }

/* ===== Theme Transitions (F-02) ===== */
body, .top-header, .sidebar-block, .site-footer {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ===== Sidebar Active Indicator (F-04) ===== */
.cat-item { position: relative; }
.cat-link.active::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 60%;
    background: var(--primary);
    border-radius: 2px;
}

/* ===== Card Hover Scale (F-06) ===== */
.site-card:hover .card-icon img {
    transform: scale(1.08);
    transition: transform 0.3s ease;
}
.site-card:hover .card-title {
    color: var(--primary);
}

/* ===== Dark Mode Alert Box Adaptations (F-08) ===== */
[data-theme="dark"] .flash-error {
    background: rgba(239,68,68,0.15); color: #fca5a5; border-color: rgba(239,68,68,0.3);
}
[data-theme="dark"] .flash-success {
    background: rgba(16,185,129,0.15); color: #6ee7b7; border-color: rgba(16,185,129,0.3);
}

/* ===== Footer Hover Underline (F-10) ===== */
.footer-col a {
    position: relative;
}
.footer-col a::after {
    content: ''; position: absolute;
    bottom: -2px; left: 0; width: 0; height: 1.5px;
    background: var(--primary);
    transition: width 0.25s ease;
}
.footer-col a:hover::after { width: 100%; }

/* ===== Back to Top Pulsing Animation (F-05) ===== */
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 4px 16px rgba(99,102,241,0.4); }
    50% { box-shadow: 0 4px 24px rgba(99,102,241,0.6); }
}
.back-to-top.visible { animation: pulseGlow 2s ease-in-out infinite; }
.back-to-top:hover { animation: none; }

/* ===== Rankings Gold/Silver/Bronze Styles (F-09) ===== */
.rank-num.gold { background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff; }
.rank-num.silver { background: linear-gradient(135deg, #9ca3af, #6b7280); color: #fff; }
.rank-num.bronze { background: linear-gradient(135deg, #d97706, #b45309); color: #fff; }

/* ===== Detail Page Reusable Layout Classes (C-01) ===== */
.detail-page { max-width: var(--max-width); margin: 0 auto; padding: 24px 20px; min-height: 60vh; }
.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--text-muted); transition: var(--transition); }
.breadcrumb a:hover { color: var(--primary); }
.detail-card {
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius); padding: 32px; margin-bottom: 24px;
    backdrop-filter: var(--glass-blur); box-shadow: var(--glass-shadow);
}
.detail-header { display: flex; align-items: flex-start; gap: 20px; margin-bottom: 24px; }
.detail-icon {
    flex-shrink: 0; width: 80px; height: 80px; border-radius: var(--radius-sm);
    overflow: hidden; background: var(--bg); display: flex; align-items: center;
    justify-content: center; border: 1px solid var(--border);
}
.detail-icon img { width: 48px; height: 48px; object-fit: contain; }
.detail-info { flex: 1; min-width: 0; }
.detail-info h1 { font-size: 24px; font-weight: 700; margin: 0 0 8px; color: var(--text); }
.detail-meta-row {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    color: var(--text-muted); font-size: 13px;
}
.detail-meta a { color: var(--primary); text-decoration: none; }
.detail-actions { display: flex; gap: 10px; flex-shrink: 0; }
.detail-visit-btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 10px 24px;
    background: var(--primary); color: #fff; border-radius: var(--radius-sm);
    text-decoration: none; font-size: 14px; font-weight: 600;
    transition: var(--transition); box-shadow: 0 4px 12px rgba(99,102,241,0.25);
}
.detail-visit-btn:hover { background: var(--primary-dark); transform: translateY(-1px); }
.detail-fav-btn {
    padding: 10px 16px; border-radius: var(--radius-sm);
    border: 1px solid var(--border); background: var(--bg);
    cursor: pointer; font-size: 14px; transition: var(--transition);
}
.detail-fav-btn:hover { border-color: var(--primary); color: var(--primary); }
.detail-desc {
    margin-bottom: 20px; padding: 16px; background: var(--bg);
    border-radius: var(--radius-sm); border: 1px solid var(--border);
}
.detail-desc h3 { font-size: 14px; font-weight: 600; color: var(--text-muted); margin: 0 0 8px; }
.detail-desc p { margin: 0; color: var(--text-secondary); line-height: 1.7; font-size: 14px; }
.detail-tags { margin-bottom: 16px; }
.detail-tags h3 { font-size: 14px; font-weight: 600; color: var(--text-muted); margin: 0 0 10px; }
.detail-tags-list { display: flex; flex-wrap: wrap; gap: 8px; }
.detail-tags-list .card-tag { text-decoration: none; font-size: 13px; padding: 4px 12px; }
.detail-url-bar {
    display: flex; align-items: center; gap: 8px; padding: 12px 16px;
    background: rgba(99,102,241,0.05); border-radius: var(--radius-sm);
    border: 1px solid var(--primary-bg);
}
.detail-url-bar span { color: var(--text-muted); font-size: 13px; }
.detail-url-bar code {
    flex: 1; font-size: 13px; color: var(--primary); background: transparent;
    border: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.detail-copy-btn {
    padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border);
    background: var(--bg); cursor: pointer; font-size: 12px;
    color: var(--text-secondary); transition: var(--transition);
}
.detail-copy-btn:hover { background: var(--primary-bg); color: var(--primary); }
.detail-reviews {
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius); padding: 32px; margin-bottom: 24px;
}
.detail-reviews h2 { font-size: 18px; font-weight: 700; margin: 0; }
.detail-rating-big { display: flex; align-items: center; gap: 8px; }
.detail-rating-big .rating-num { font-size: 28px; font-weight: 700; color: var(--primary); }
.review-form {
    margin-bottom: 24px; padding: 16px; background: var(--bg);
    border-radius: var(--radius-sm); border: 1px solid var(--border);
}
.review-form label { font-size: 13px; color: var(--text-muted); margin-bottom: 6px; display: block; }
.review-form textarea {
    width: 100%; padding: 10px; border: 1px solid var(--border);
    border-radius: 8px; background: rgba(255,255,255,0.5); color: var(--text);
    font-size: 14px; resize: vertical; min-height: 80px;
}
[data-theme="dark"] .review-form textarea { background: rgba(30,27,75,0.5); }
.review-form .btn-submit {
    padding: 8px 20px; background: var(--primary); color: #fff;
    border: none; border-radius: 8px; font-size: 14px; cursor: pointer;
    transition: var(--transition);
}
.review-form .btn-submit:hover { background: var(--primary-dark); }
.review-item { padding: 16px 0; border-bottom: 1px solid var(--border); }
.review-item-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.review-author { display: flex; align-items: center; gap: 8px; }
.review-author span { font-weight: 600; font-size: 14px; }
.review-date { font-size: 12px; color: var(--text-muted); }
.review-content { margin: 0; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
.detail-notice {
    max-width: 800px; margin: 0 auto 16px; padding: 12px 20px;
    background: var(--primary-bg); border: 1px solid var(--primary-light);
    border-radius: 12px; font-size: 14px; color: var(--text); text-align: center;
}

.detail-reviews-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.detail-empty-tip { text-align: center; color: var(--text-muted); padding: 16px; font-size: 14px; }
.detail-empty-tip a { color: var(--primary); text-decoration: none; }
.detail-empty-tip a:hover { text-decoration: underline; }

/* ===== Auth Pages (C-02) ===== */
.auth-page { max-width: 400px; margin: 60px auto; padding: 32px 20px; min-height: 50vh; }
.auth-page h1 { text-align: center; font-size: 24px; margin-bottom: 8px; font-weight: 700; color: var(--text); }
.auth-page p.auth-subtitle { text-align: center; color: var(--text-muted); margin-bottom: 24px; font-size: 14px; }
.auth-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--glass-shadow); }
.auth-form .form-group { margin-bottom: 16px; }
.auth-form .form-group.last { margin-bottom: 20px; }
.auth-form label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 14px; color: var(--text-secondary); }
.auth-form input[type="text"], .auth-form input[type="email"], .auth-form input[type="password"], .auth-form input[type="number"] {
    width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 14px; background: var(--bg); color: var(--text); transition: var(--transition);
}
.auth-form input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 2px var(--primary-bg); }
.auth-form .btn-submit {
    width: 100%; padding: 12px; background: var(--primary); color: #fff; border: none;
    border-radius: var(--radius-sm); font-size: 16px; font-weight: 600; cursor: pointer; transition: var(--transition);
}
.auth-form .btn-submit:hover { background: var(--primary-dark); transform: translateY(-1px); }
.auth-form .auth-footer { text-align: center; margin-top: 16px; font-size: 13px; color: var(--text-muted); }
.auth-form .auth-footer a { color: var(--primary); text-decoration: none; }
.auth-form .auth-footer a:hover { text-decoration: underline; }