/* ============================
   无聊的导航 - ACG 风格
   ============================ */

:root {
    --sidebar-width: 240px;
    --topbar-height: 56px;
    
    /* ACG 粉紫配色 */
    --sidebar-bg: linear-gradient(180deg, #ff9a9e 0%, #fecfef 50%, #fdfcfb 100%);
    --sidebar-hover: rgba(255, 255, 255, 0.3);
    --sidebar-active: #ff6b95;
    --sidebar-text: #5a3e5c;
    
    --body-bg: #fff5f8;
    --card-bg: #ffffff;
    --text-primary: #4a3548;
    --text-secondary: #8b7089;
    --text-light: #c4a8c2;
    --border-color: #f5dde3;
    
    --accent-color: #ff6b95;
    --accent-hover: #ff4778;
    --highlight-color: #ff4757;
    
    --shadow-sm: 0 2px 8px rgba(255, 107, 149, 0.1);
    --shadow-md: 0 4px 16px rgba(255, 107, 149, 0.15);
    --shadow-hover: 0 8px 24px rgba(255, 107, 149, 0.2);
    
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--body-bg);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
    min-height: 100vh;
}

/* ====== 侧边栏 ====== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s ease;
    border-right: 1px solid rgba(255, 255, 255, 0.5);
}

.sidebar-logo {
    padding: 32px 20px 24px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.2);
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    color: #ff4778;
    text-decoration: none;
    letter-spacing: 3px;
    display: block;
    text-shadow: 0 2px 4px rgba(255, 71, 120, 0.2);
}

.logo-desc {
    font-size: 12px;
    color: var(--sidebar-text);
    margin-top: 8px;
    letter-spacing: 2px;
    opacity: 0.8;
}

.sidebar-nav {
    padding: 16px 0;
}

.nav-item {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border: 0;
    background: transparent;
    color: var(--sidebar-text);
    font-family: inherit;
    text-decoration: none;
    text-align: left;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border-left: 4px solid transparent;
    margin: 2px 8px;
    border-radius: 0 var(--radius) var(--radius) 0;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: #ff4778;
    border-left-color: rgba(255, 71, 120, 0.3);
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.6);
    color: #ff4778;
    border-left-color: var(--sidebar-active);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.nav-item .nav-icon {
    width: 24px;
    text-align: center;
    font-size: 18px;
    flex-shrink: 0;
}

.nav-item .nav-name {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-item .nav-count {
    font-size: 11px;
    background: rgba(255, 255, 255, 0.5);
    padding: 2px 10px;
    border-radius: 12px;
    color: var(--sidebar-text);
    flex-shrink: 0;
    font-weight: 600;
}

.nav-item.active .nav-count {
    background: rgba(255, 71, 120, 0.2);
    color: #ff4778;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 71, 120, 0.3);
    border-radius: 2px;
}

/* ====== 主内容区 ====== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* ====== 顶部导航栏 ====== */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--topbar-height);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--accent-color);
    flex-shrink: 0;
    border-radius: 8px;
    transition: var(--transition);
}

.sidebar-toggle:hover {
    background: rgba(255, 107, 149, 0.1);
}

.sidebar-toggle svg {
    width: 22px;
    height: 22px;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 480px;
}

.search-box .search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-light);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: 10px 16px 10px 42px;
    border: 2px solid var(--border-color);
    border-radius: 24px;
    font-size: 14px;
    background: #fff;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 149, 0.15);
}

.search-box input::placeholder {
    color: var(--text-light);
}

/* ====== 内容区域 ====== */
.sites-content {
    padding: 28px;
    width: 100%;
}

/* ====== 分类区块 ====== */
.category-section {
    margin-bottom: 36px;
    animation: fadeInUp 0.5s ease forwards;
}

.category-section:nth-child(2) { animation-delay: 0.05s; }
.category-section:nth-child(3) { animation-delay: 0.1s; }
.category-section:nth-child(4) { animation-delay: 0.15s; }
.category-section:nth-child(5) { animation-delay: 0.2s; }
.category-section:nth-child(6) { animation-delay: 0.25s; }
.category-section:nth-child(7) { animation-delay: 0.3s; }
.category-section:nth-child(8) { animation-delay: 0.35s; }
.category-section:nth-child(9) { animation-delay: 0.4s; }
.category-section:nth-child(10) { animation-delay: 0.45s; }

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

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    padding: 14px 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 240, 245, 0.9) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 107, 149, 0.15);
    box-shadow: var(--shadow-sm);
}

.category-icon {
    font-size: 22px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.category-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.category-count {
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: auto;
    background: rgba(255, 107, 149, 0.1);
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 600;
    color: var(--accent-color);
}

/* ====== 网站卡片网格 ====== */
.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

/* ====== 网站卡片 - ACG 风格 ====== */
.site-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.site-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff6b95, #ffa8c5, #ff6b95);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    opacity: 0;
}

.site-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.site-card:hover::before {
    transform: scaleX(1);
    opacity: 1;
}

.site-card.highlight {
    border-left: 3px solid var(--highlight-color);
    background: linear-gradient(135deg, #fff 0%, #fff5f8 100%);
}

.site-card.highlight::before {
    background: linear-gradient(90deg, #ff4757, #ff6b95);
}

.site-card.risk-warning {
    border-left: 3px solid #ffc107;
    background: linear-gradient(135deg, #fff 0%, #fff9e6 100%);
}

.site-card.risk-warning::before {
    background: linear-gradient(90deg, #ffc107, #ffca28);
}

.card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    flex-shrink: 0;
    object-fit: contain;
    background: linear-gradient(135deg, #fff5f8 0%, #ffe0eb 100%);
    padding: 4px;
    box-shadow: 0 2px 6px rgba(255, 107, 149, 0.1);
}

.card-icon-fallback {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #ff6b95 0%, #ff8fab 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(255, 107, 149, 0.2);
}

.card-info {
    flex: 1;
    min-width: 0;
}

.card-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
}

.card-desc {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
    margin-top: 2px;
}

.card-tags {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.tag {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 8px;
    background: linear-gradient(135deg, #fff5f8 0%, #ffe0eb 100%);
    color: var(--accent-color);
    white-space: nowrap;
    font-weight: 500;
    border: 1px solid rgba(255, 107, 149, 0.15);
}

/* 风险提示 */
.risk-tag {
    position: absolute;
    top: 8px;
    right: 10px;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 8px;
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    border: 1px solid #ffc107;
    font-weight: 600;
}

/* 高亮标记 */
.highlight-badge {
    position: absolute;
    top: 8px;
    right: 10px;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 8px;
    background: linear-gradient(135deg, #ff6b95 0%, #ff4778 100%);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(255, 71, 120, 0.3);
}

/* 搜索高亮 */
.search-highlight {
    background: linear-gradient(180deg, transparent 50%, rgba(255, 107, 149, 0.3) 50%);
    padding: 0 2px;
    border-radius: 2px;
    color: var(--highlight-color);
    font-weight: 700;
}

/* 无搜索结果 */
.no-results {
    text-align: center;
    padding: 100px 20px;
    color: var(--text-light);
}

.no-results p:first-child {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

/* ====== 回到顶部 ====== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff6b95 0%, #ff8fab 100%);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(255, 107, 149, 0.3);
    z-index: 50;
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 24px rgba(255, 107, 149, 0.4);
}

/* ====== 侧边栏遮罩 (移动端) ====== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(90, 62, 92, 0.5);
    backdrop-filter: blur(4px);
    z-index: 99;
}

.sidebar-overlay.show {
    display: block;
}

/* ====== 分类锚点偏移 ====== */
.category-section {
    scroll-margin-top: calc(var(--topbar-height) + 20px);
}

/* ====== 响应式 ====== */
@media (max-width: 1024px) {
    .sites-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        background: linear-gradient(180deg, #ff9a9e 0%, #fecfef 100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

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

    .sidebar-toggle {
        display: block;
    }

    .sites-content {
        padding: 16px;
    }

    .sites-grid {
        grid-template-columns: 1fr;
    }

    .topbar {
        padding: 0 16px;
    }

    .category-header {
        padding: 12px 16px;
    }

    .category-title {
        font-size: 15px;
    }

    .site-card {
        padding: 12px 14px;
    }

    .card-icon,
    .card-icon-fallback {
        width: 36px;
        height: 36px;
        border-radius: 8px;
    }

    .card-name {
        font-size: 13px;
    }

    .card-desc {
        font-size: 11px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

/* ====== 滚动条美化 ====== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #ffb6c1 0%, #ff69b4 100%);
    border-radius: 4px;
    border: 2px solid transparent;
    background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #ff69b4 0%, #ff1493 100%);
    background-clip: content-box;
}

/* ====== 选中文字 ====== */
::selection {
    background: rgba(255, 107, 149, 0.3);
    color: var(--text-primary);
}

/* ====== 装饰性元素 ====== */
.sidebar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.3) 100%);
    pointer-events: none;
}

/* ====== Stardust Edition: ACG visual refresh ====== */
:root {
    --sidebar-width: 264px;
    --topbar-height: 68px;
    --body-bg: #f8f5ff;
    --card-bg: rgba(255, 255, 255, 0.76);
    --text-primary: #423752;
    --text-secondary: #887c99;
    --text-light: #b9accb;
    --border-color: rgba(126, 104, 161, 0.14);
    --accent-color: #f06f9f;
    --accent-hover: #df568c;
    --highlight-color: #e85d92;
    --lavender: #8c79d9;
    --lavender-soft: #eee9ff;
    --sky-soft: #e8f5ff;
    --cream-soft: #fff8e9;
    --sidebar-text: #655779;
    --shadow-sm: 0 8px 24px rgba(109, 88, 148, 0.08);
    --shadow-md: 0 16px 36px rgba(103, 81, 142, 0.12);
    --shadow-hover: 0 18px 36px rgba(103, 81, 142, 0.16);
    --radius: 18px;
    --radius-lg: 24px;
    --transition: all 0.28s cubic-bezier(0.2, 0.75, 0.3, 1);
}

body {
    position: relative;
    background:
        radial-gradient(circle at 88% 8%, rgba(187, 218, 255, 0.55), transparent 26%),
        radial-gradient(circle at 30% 18%, rgba(255, 221, 237, 0.62), transparent 22%),
        radial-gradient(circle at 78% 78%, rgba(232, 224, 255, 0.78), transparent 28%),
        linear-gradient(135deg, #fff9fc 0%, #f7f5ff 48%, #f2f8ff 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

body::before,
body::after {
    content: '';
    position: fixed;
    pointer-events: none;
    z-index: -1;
}

body::before {
    inset: 0;
    opacity: 0.58;
    background-image:
        radial-gradient(circle, rgba(126, 101, 171, 0.2) 1px, transparent 1.5px),
        radial-gradient(circle, rgba(240, 111, 159, 0.18) 1px, transparent 1.5px);
    background-position: 0 0, 35px 42px;
    background-size: 76px 76px, 94px 94px;
}

body::after {
    width: 320px;
    height: 320px;
    right: -90px;
    bottom: -100px;
    border: 1px solid rgba(140, 121, 217, 0.12);
    border-radius: 50%;
    box-shadow:
        0 0 0 36px rgba(140, 121, 217, 0.035),
        0 0 0 74px rgba(240, 111, 159, 0.025);
}

.sidebar {
    background:
        linear-gradient(180deg, rgba(255, 249, 253, 0.94), rgba(245, 240, 255, 0.93)),
        linear-gradient(140deg, #ffd7e8, #e6ddff);
    border-right: 1px solid rgba(255, 255, 255, 0.92);
    box-shadow: 12px 0 42px rgba(103, 81, 142, 0.08);
    backdrop-filter: blur(26px);
    -webkit-backdrop-filter: blur(26px);
}

.sidebar-logo {
    position: relative;
    padding: 24px 18px 20px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.76), rgba(255, 245, 252, 0.4));
    border-bottom: 1px solid rgba(139, 112, 175, 0.1);
    overflow: hidden;
}

.sidebar-logo::before {
    content: '';
    position: absolute;
    width: 110px;
    height: 110px;
    right: -46px;
    top: -48px;
    border-radius: 50%;
    border: 1px solid rgba(240, 111, 159, 0.18);
    box-shadow: 0 0 0 18px rgba(240, 111, 159, 0.04);
}

.logo-orbit {
    position: relative;
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    margin: 0 auto 10px;
    border: 1px solid rgba(140, 121, 217, 0.26);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.62);
    box-shadow: 0 8px 18px rgba(140, 121, 217, 0.12);
}

.logo-orbit::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    top: 2px;
    right: 4px;
    border-radius: 50%;
    background: #f79dbc;
    box-shadow: 0 0 0 4px rgba(247, 157, 188, 0.14);
    animation: orbitPulse 3.8s ease-in-out infinite;
}

.logo-orbit-core {
    color: var(--lavender);
    font-size: 25px;
    animation: twinkle 3.6s ease-in-out infinite;
}

.logo-text {
    color: #594c70;
    font-size: 20px;
    letter-spacing: 4px;
    text-shadow: none;
}

.logo-desc {
    margin-top: 5px;
    color: #8b7b9d;
    letter-spacing: 3px;
}

.logo-edition {
    display: inline-block;
    margin-top: 11px;
    padding: 3px 9px;
    border: 1px solid rgba(140, 121, 217, 0.18);
    border-radius: 999px;
    color: #9384b3;
    background: rgba(255, 255, 255, 0.5);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
}

.sidebar-nav {
    padding: 14px 10px 24px;
}

.nav-item {
    gap: 10px;
    margin: 3px 0;
    padding: 10px 12px;
    border: 1px solid transparent;
    border-left: 1px solid transparent;
    border-radius: 13px;
    color: var(--sidebar-text);
}

.nav-item:hover {
    border-color: rgba(140, 121, 217, 0.12);
    background: rgba(255, 255, 255, 0.55);
    color: #7b68bd;
    transform: translateX(3px);
}

.nav-item.active {
    border-color: rgba(240, 111, 159, 0.2);
    border-left-color: rgba(240, 111, 159, 0.2);
    color: #d95589;
    background: linear-gradient(110deg, rgba(255, 255, 255, 0.86), rgba(255, 235, 246, 0.72));
    box-shadow: 0 7px 16px rgba(232, 93, 146, 0.09);
}

.nav-item .nav-icon {
    width: 27px;
    height: 27px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.56);
    font-size: 15px;
}

.nav-item .nav-count {
    min-width: 30px;
    padding: 2px 7px;
    text-align: center;
    color: #9588a7;
    background: rgba(255, 255, 255, 0.6);
}

.nav-item.active .nav-count {
    color: #9588a7;
    background: rgba(255, 255, 255, 0.6);
}

.nav-group {
    position: relative;
}

.nav-caret {
    color: #ae9fbd;
    font-size: 18px;
    line-height: 1;
    transition: transform 0.24s ease, color 0.24s ease;
}

.nav-group.expanded > .nav-item .nav-caret {
    color: #d65b8c;
    transform: rotate(90deg);
}

.sidebar-subnav {
    visibility: hidden;
    max-height: 0;
    margin: 0 4px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.32s ease, opacity 0.22s ease, margin 0.28s ease;
}

.nav-group.expanded > .sidebar-subnav {
    visibility: visible;
    max-height: 360px;
    margin: 2px 4px 8px;
    opacity: 1;
    pointer-events: auto;
}

.sidebar-subitem {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 30px;
    margin-left: 22px;
    padding: 6px 8px 6px 14px;
    border-left: 1px solid rgba(140, 121, 217, 0.17);
    color: #93849f;
    text-decoration: none;
    font-size: 12px;
    transition: var(--transition);
}

.sidebar-subitem:hover,
.sidebar-subitem.active {
    color: #d65b8c;
    background: linear-gradient(90deg, rgba(255, 239, 247, 0.72), transparent);
}

.sidebar-subitem-dot {
    position: absolute;
    left: -4px;
    width: 7px;
    height: 7px;
    border: 1px solid rgba(140, 121, 217, 0.34);
    border-radius: 50%;
    background: #f7f3ff;
    transition: var(--transition);
}

.sidebar-subitem:hover .sidebar-subitem-dot,
.sidebar-subitem.active .sidebar-subitem-dot {
    border-color: #e77ba3;
    background: #e77ba3;
    box-shadow: 0 0 0 4px rgba(231, 123, 163, 0.1);
}

.sidebar-subitem-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-subitem-count {
    color: #b7a9c2;
    font-size: 10px;
}

.topbar {
    height: var(--topbar-height);
    padding: 0 30px;
    background: rgba(255, 255, 255, 0.64);
    border-bottom-color: rgba(126, 104, 161, 0.1);
    box-shadow: 0 8px 25px rgba(100, 80, 137, 0.06);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
}

.search-box {
    max-width: 610px;
}

.search-box input {
    padding: 11px 18px 11px 46px;
    border: 1px solid rgba(140, 121, 217, 0.16);
    background: rgba(255, 255, 255, 0.72);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.search-box input:focus {
    border-color: rgba(240, 111, 159, 0.62);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 0 0 4px rgba(240, 111, 159, 0.1);
}

.nav-item:focus-visible,
.sidebar-subitem:focus-visible,
.subcategory-chip:focus-visible,
.site-card:focus-visible,
.sidebar-toggle:focus-visible,
.back-to-top:focus-visible,
.logo-text:focus-visible,
.error-brand:focus-visible,
.error-button:focus-visible,
.error-shortcuts a:focus-visible {
    outline: 3px solid rgba(240, 111, 159, 0.52);
    outline-offset: 3px;
}

.topbar-meta {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-left: auto;
    color: #9b8bad;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.topbar-spark {
    color: #e870a1;
    animation: twinkle 3s ease-in-out infinite;
}

.sites-content {
    position: relative;
    max-width: 1760px;
    margin: 0 auto;
    padding: 32px 34px 54px;
}

.hero-panel {
    position: relative;
    display: flex;
    min-height: 212px;
    margin-bottom: 32px;
    padding: 30px 34px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 28px;
    background:
        linear-gradient(125deg, rgba(255, 255, 255, 0.9), rgba(255, 240, 248, 0.84) 48%, rgba(237, 234, 255, 0.82));
    box-shadow: 0 18px 40px rgba(105, 84, 145, 0.1);
    animation: heroArrival 0.7s cubic-bezier(0.2, 0.78, 0.28, 1) both;
}

.hero-panel::before,
.hero-panel::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.hero-panel::before {
    width: 240px;
    height: 240px;
    right: 60px;
    top: -112px;
    border: 1px solid rgba(140, 121, 217, 0.14);
    box-shadow: 0 0 0 28px rgba(140, 121, 217, 0.035);
}

.hero-panel::after {
    width: 150px;
    height: 150px;
    right: -28px;
    bottom: -70px;
    background: radial-gradient(circle, rgba(183, 222, 255, 0.5), rgba(183, 222, 255, 0));
}

.hero-copy {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 9px;
    color: #ad78ae;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 2px;
}

.hero-eyebrow span {
    color: #ef78a4;
}

.hero-panel h1 {
    color: #514565;
    font-size: clamp(22px, 2.4vw, 32px);
    line-height: 1.35;
    letter-spacing: 1px;
}

.hero-description {
    max-width: 620px;
    margin-top: 11px;
    color: #8c7e9d;
    font-size: 14px;
    line-height: 1.9;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 19px;
}

.hero-stats span {
    padding: 5px 11px;
    border: 1px solid rgba(140, 121, 217, 0.12);
    border-radius: 999px;
    color: #9485a6;
    background: rgba(255, 255, 255, 0.54);
    font-size: 11px;
}

.hero-stats strong {
    color: #df6495;
    font-size: 12px;
}

.hero-visual {
    position: absolute;
    right: 42px;
    top: 22px;
    width: 184px;
    height: 168px;
}

.hero-moon {
    position: absolute;
    right: 40px;
    top: 25px;
    color: #8c79d9;
    font-size: 88px;
    line-height: 1;
    filter: drop-shadow(0 12px 12px rgba(140, 121, 217, 0.14));
    animation: moonFloat 6s ease-in-out infinite;
}

.hero-star {
    position: absolute;
    color: #ee85ab;
    animation: twinkle 3.2s ease-in-out infinite;
}

.hero-star-one { left: 8px; top: 30px; font-size: 21px; }
.hero-star-two { right: 2px; top: 0; color: #8c79d9; font-size: 25px; animation-delay: 0.9s; }
.hero-star-three { right: 8px; bottom: 12px; font-size: 17px; animation-delay: 1.7s; }

.hero-ring {
    position: absolute;
    width: 132px;
    height: 48px;
    right: 14px;
    bottom: 18px;
    border: 1px solid rgba(140, 121, 217, 0.18);
    border-radius: 50%;
    transform: rotate(-12deg);
}

.category-section {
    margin-bottom: 38px;
    opacity: 0;
    animation: sectionArrival 0.54s cubic-bezier(0.2, 0.78, 0.28, 1) forwards;
}

.category-section:nth-child(n) {
    animation-delay: 0.08s;
}

.category-header {
    position: relative;
    gap: 11px;
    margin-bottom: 14px;
    padding: 8px 4px 10px;
    border: none;
    border-bottom: 1px solid rgba(140, 121, 217, 0.12);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.category-header::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 74px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, #ef7ca7, #a99ce7);
}

.category-icon {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.66);
    box-shadow: 0 5px 14px rgba(105, 84, 145, 0.08);
    font-size: 17px;
}

.category-title {
    color: #5c506e;
    font-size: 16px;
    letter-spacing: 2px;
}

.category-count {
    color: #9a89ad;
    background: rgba(255, 255, 255, 0.58);
    border: 1px solid rgba(140, 121, 217, 0.1);
}

.sites-grid {
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 13px;
}

.site-card {
    min-height: 74px;
    gap: 13px;
    padding: 13px 14px;
    border-color: rgba(255, 255, 255, 0.9);
    border-radius: 17px;
    background: rgba(255, 255, 255, 0.67);
    box-shadow: 0 7px 20px rgba(102, 82, 140, 0.06);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.site-card::before {
    top: auto;
    right: auto;
    bottom: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    background: linear-gradient(135deg, rgba(255, 239, 247, 0.7), rgba(239, 235, 255, 0.7));
    transform: none;
    transition: opacity 0.28s ease;
}

.site-card::after {
    content: '✦';
    position: absolute;
    right: 12px;
    bottom: 8px;
    color: rgba(140, 121, 217, 0);
    font-size: 12px;
    transform: scale(0.6);
    transition: var(--transition);
}

.site-card:hover {
    border-color: rgba(240, 111, 159, 0.32);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.site-card:hover::before {
    opacity: 1;
}

.site-card:hover::after {
    color: rgba(140, 121, 217, 0.48);
    transform: scale(1);
}

.site-card > * {
    position: relative;
    z-index: 1;
}

.site-card.highlight,
.site-card.risk-warning {
    padding-right: 88px;
    border-left-width: 1px;
    background: rgba(255, 255, 255, 0.72);
}

.site-card.risk-warning {
    padding-right: 146px;
}

.site-card.highlight {
    box-shadow: inset 3px 0 #f183aa, 0 7px 20px rgba(102, 82, 140, 0.06);
}

.site-card.risk-warning {
    box-shadow: inset 3px 0 #f0bd70, 0 7px 20px rgba(102, 82, 140, 0.06);
}

.site-card.risk-required {
    box-shadow: inset 3px 0 #e67a63, 0 7px 20px rgba(102, 82, 140, 0.06);
}

.site-card.risk-possible {
    box-shadow: inset 3px 0 #e8be68, 0 7px 20px rgba(102, 82, 140, 0.06);
}

.card-icon,
.card-icon-fallback {
    width: 42px;
    height: 42px;
    min-width: 42px;
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 42px;
    border: 1px solid rgba(140, 121, 217, 0.1);
    border-radius: 14px;
    box-shadow: 0 5px 12px rgba(109, 88, 148, 0.08);
}

.card-icon {
    background: rgba(255, 255, 255, 0.8);
    padding: 6px;
}

.card-icon-fallback {
    background: linear-gradient(135deg, #f393b5, #a694e6);
}

.card-name {
    color: #574b68;
    font-size: 14px;
}

.card-desc {
    color: #9b8faa;
}

.risk-tag,
.highlight-badge {
    position: absolute;
    top: 7px;
    right: 9px;
    z-index: 2;
    padding: 3px 8px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 999px;
    box-shadow: none;
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
}

.risk-tag {
    color: #a5762e;
    background: rgba(255, 245, 213, 0.92);
}

.risk-tag-required {
    color: #a34f42;
    background: rgba(255, 225, 218, 0.96);
}

.risk-tag-possible {
    color: #9a742b;
    background: rgba(255, 246, 214, 0.94);
}

.highlight-badge {
    background: linear-gradient(135deg, #f58aae, #df6897);
}

.no-results {
    margin-top: 18px;
    padding: 72px 20px;
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.58);
    box-shadow: var(--shadow-sm);
}

.no-results-icon {
    display: block;
    margin-bottom: 8px;
    color: #ad9adb;
    font-size: 34px;
    animation: twinkle 3s ease-in-out infinite;
}

.back-to-top {
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    background: linear-gradient(135deg, #ef82a9, #9987dc);
    box-shadow: 0 9px 20px rgba(126, 102, 175, 0.2);
}

@keyframes heroArrival {
    from { opacity: 0; transform: translateY(14px) scale(0.99); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes sectionArrival {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes twinkle {
    0%, 100% { opacity: 0.58; transform: scale(0.9); }
    50% { opacity: 1; transform: scale(1.12); }
}

@keyframes moonFloat {
    0%, 100% { transform: translateY(0) rotate(-4deg); }
    50% { transform: translateY(-8px) rotate(1deg); }
}

@keyframes orbitPulse {
    0%, 100% { transform: scale(0.86); opacity: 0.72; }
    50% { transform: scale(1.14); opacity: 1; }
}

@media (max-width: 1024px) {
    .sites-grid {
        grid-template-columns: repeat(auto-fill, minmax(238px, 1fr));
    }

    .hero-visual {
        opacity: 0.72;
        right: 18px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 264px;
        background:
            linear-gradient(180deg, rgba(255, 249, 253, 0.98), rgba(245, 240, 255, 0.98)),
            linear-gradient(140deg, #ffd7e8, #e6ddff);
    }

    .topbar {
        height: 60px;
        padding: 0 14px;
    }

    .topbar-meta {
        display: none;
    }

    .sites-content {
        padding: 18px 14px 42px;
    }

    .hero-panel {
        min-height: auto;
        margin-bottom: 25px;
        padding: 23px 20px;
        border-radius: 22px;
    }

    .hero-panel h1 {
        max-width: 290px;
        font-size: 22px;
    }

    .hero-description {
        max-width: 78%;
        font-size: 12px;
    }

    .hero-stats {
        max-width: 78%;
        margin-top: 15px;
    }

    .hero-stats span {
        padding: 4px 8px;
        font-size: 10px;
    }

    .hero-visual {
        right: -23px;
        top: 25px;
        transform: scale(0.72);
        opacity: 0.55;
    }

    .category-section {
        margin-bottom: 30px;
    }

    .category-header {
        padding: 6px 2px 9px;
    }

    .category-title {
        font-size: 15px;
        letter-spacing: 1px;
    }

    .site-card {
        min-height: 68px;
        padding: 11px 12px;
    }
}

/* ====== Secondary category navigation ====== */
.subcategory-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 18px;
}

.subcategory-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 10px;
    border: 1px solid rgba(140, 121, 217, 0.12);
    border-radius: 999px;
    color: #807092;
    background: rgba(255, 255, 255, 0.58);
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    transition: var(--transition);
}

.subcategory-chip:hover {
    border-color: rgba(240, 111, 159, 0.32);
    color: #d95e91;
    background: rgba(255, 247, 251, 0.9);
    box-shadow: 0 6px 14px rgba(116, 91, 151, 0.08);
    transform: translateY(-2px);
}

.subcategory-chip small {
    min-width: 20px;
    padding: 1px 6px;
    border-radius: 999px;
    color: #aa96bc;
    background: rgba(140, 121, 217, 0.08);
    font-size: 10px;
    text-align: center;
}

.subcategory-section {
    margin-top: 18px;
    scroll-margin-top: calc(var(--topbar-height) + 18px);
}

.subcategory-section + .subcategory-section {
    margin-top: 27px;
}

.subcategory-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 11px;
    padding-left: 3px;
}

.subcategory-header::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #ed85aa;
    box-shadow: 0 0 0 4px rgba(237, 133, 170, 0.12);
}

.subcategory-header h3 {
    color: #756783;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
}

.subcategory-header span {
    color: #ae9dbd;
    font-size: 11px;
}

@media (max-width: 768px) {
    .subcategory-nav {
        flex-wrap: nowrap;
        margin-right: -14px;
        padding: 0 14px 4px 0;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .subcategory-nav::-webkit-scrollbar {
        display: none;
    }

    .subcategory-chip {
        flex: 0 0 auto;
        padding: 5px 9px;
        font-size: 11px;
    }

    .subcategory-section + .subcategory-section {
        margin-top: 23px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ====== Stardust Edition: 404 page ====== */
.error-page {
    min-height: 100vh;
    overflow-x: hidden;
}

.error-stage {
    position: relative;
    z-index: 1;
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 34px 22px;
}

.error-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
    color: #625470;
    text-decoration: none;
    transition: var(--transition);
}

.error-brand:hover {
    transform: translateY(-2px);
}

.error-brand .logo-orbit {
    width: 44px;
    height: 44px;
    min-width: 44px;
}

.error-brand strong,
.error-brand small {
    display: block;
}

.error-brand strong {
    font-size: 16px;
    letter-spacing: 2px;
}

.error-brand small {
    margin-top: 3px;
    color: #ad9bbb;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2px;
}

.error-card {
    position: relative;
    display: grid;
    width: min(880px, 100%);
    min-height: 430px;
    grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.05fr);
    align-items: center;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.94);
    border-radius: 34px;
    background:
        radial-gradient(circle at 16% 24%, rgba(255, 219, 236, 0.78), transparent 32%),
        radial-gradient(circle at 92% 78%, rgba(221, 213, 255, 0.8), transparent 34%),
        rgba(255, 255, 255, 0.62);
    box-shadow: 0 24px 68px rgba(116, 91, 151, 0.16);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    animation: heroArrival 0.72s cubic-bezier(0.2, 0.78, 0.28, 1) both;
}

.error-card::before,
.error-card::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.error-card::before {
    width: 210px;
    height: 210px;
    right: -72px;
    top: -76px;
    border: 1px solid rgba(150, 132, 218, 0.13);
    box-shadow: 0 0 0 24px rgba(255, 255, 255, 0.16), 0 0 0 50px rgba(150, 132, 218, 0.05);
}

.error-card::after {
    width: 112px;
    height: 112px;
    left: -46px;
    bottom: -44px;
    background: rgba(255, 216, 234, 0.44);
}

.error-visual {
    position: relative;
    display: grid;
    min-height: 330px;
    place-items: center;
}

.error-orbit {
    position: absolute;
    width: 260px;
    height: 260px;
    border: 1px solid rgba(145, 126, 212, 0.22);
    border-radius: 50%;
    transform: rotate(-14deg) scaleY(0.56);
    box-shadow: 0 0 0 16px rgba(255, 255, 255, 0.14);
}

.error-code {
    position: relative;
    z-index: 2;
    color: transparent;
    background: linear-gradient(135deg, #e7689a, #a08ce3 72%);
    background-clip: text;
    -webkit-background-clip: text;
    filter: drop-shadow(0 12px 18px rgba(141, 113, 187, 0.13));
    font-size: clamp(104px, 15vw, 168px);
    font-weight: 900;
    letter-spacing: -14px;
    line-height: 1;
}

.error-moon {
    position: absolute;
    z-index: 3;
    right: 45px;
    top: 49px;
    color: #f2a7bf;
    filter: drop-shadow(0 10px 13px rgba(189, 116, 155, 0.2));
    font-size: 66px;
    animation: moonFloat 5.5s ease-in-out infinite;
}

.error-star,
.error-spark {
    position: absolute;
    color: #e981a8;
    animation: twinkle 3.2s ease-in-out infinite;
}

.error-star-one { left: 55px; top: 52px; font-size: 25px; }
.error-star-two { left: 40px; bottom: 75px; color: #9f8ce0; font-size: 30px; animation-delay: 0.7s; }
.error-star-three { right: 46px; bottom: 63px; font-size: 18px; animation-delay: 1.4s; }
.error-star-four { right: 27px; top: 139px; color: #9f8ce0; font-size: 21px; animation-delay: 2.1s; }

.error-copy {
    position: relative;
    z-index: 2;
    padding: 48px 54px 48px 8px;
}

.error-eyebrow {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 16px;
    color: #c46a91;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 3px;
}

.error-eyebrow span {
    color: #9f8ce0;
}

.error-copy h1 {
    margin-bottom: 14px;
    color: #594d68;
    font-size: clamp(27px, 4vw, 39px);
    letter-spacing: 2px;
    line-height: 1.35;
}

.error-description {
    max-width: 430px;
    color: #90829d;
    font-size: 14px;
    line-height: 1.9;
}

.error-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 11px;
    margin-top: 28px;
}

.error-button {
    display: inline-flex;
    min-height: 43px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 0 17px;
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

.error-button:hover {
    box-shadow: 0 10px 20px rgba(117, 91, 153, 0.14);
    transform: translateY(-3px);
}

.error-button-primary {
    color: #fff;
    background: linear-gradient(135deg, #ef7ca7, #a08ce3);
}

.error-button-secondary {
    color: #796a89;
    border-color: rgba(141, 121, 196, 0.15);
    background: rgba(255, 255, 255, 0.64);
}

.error-shortcuts {
    display: flex;
    max-width: 880px;
    flex-wrap: wrap;
    justify-content: center;
    gap: 9px;
    margin-top: 18px;
}

.error-shortcuts a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.88);
    border-radius: 999px;
    color: #897895;
    background: rgba(255, 255, 255, 0.5);
    box-shadow: 0 6px 15px rgba(116, 91, 151, 0.06);
    font-size: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

.error-shortcuts a:hover {
    color: #d66091;
    background: rgba(255, 251, 253, 0.88);
    transform: translateY(-2px);
}

.error-footer {
    margin-top: 21px;
    color: #b2a4be;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 3px;
    text-align: center;
}

.error-spark-one { left: 12%; top: 18%; font-size: 24px; }
.error-spark-two { right: 14%; top: 23%; color: #a28fe1; font-size: 28px; animation-delay: 0.8s; }
.error-spark-three { left: 17%; bottom: 19%; font-size: 19px; animation-delay: 1.6s; }
.error-spark-four { right: 18%; bottom: 16%; color: #a28fe1; font-size: 21px; animation-delay: 2.4s; }

@media (max-width: 720px) {
    .error-stage {
        padding: 24px 15px;
    }

    .error-brand {
        margin-bottom: 17px;
    }

    .error-card {
        grid-template-columns: 1fr;
        border-radius: 27px;
    }

    .error-visual {
        min-height: 224px;
        padding-top: 18px;
    }

    .error-orbit {
        width: 215px;
        height: 215px;
    }

    .error-code {
        font-size: 116px;
    }

    .error-moon {
        right: calc(50% - 137px);
        top: 36px;
        font-size: 54px;
    }

    .error-copy {
        padding: 0 24px 31px;
        text-align: center;
    }

    .error-eyebrow,
    .error-actions {
        justify-content: center;
    }

    .error-copy h1 {
        font-size: 27px;
    }

    .error-description {
        font-size: 13px;
    }

    .error-footer {
        max-width: 290px;
        line-height: 1.8;
    }
}