/* ========== Theme Variables ========== */
:root {
    --bg-body: linear-gradient(135deg, var(--color-accent-bg) 0%, #f0fdf4 40%, #ecfccb 100%);
    --color-text: #334155;
    --color-heading: #0f172a;
    --color-heading-2: #1e293b;
    --color-body: #475569;
    --color-muted: #64748b;
    --color-light: #94a3b8;
    --color-card: rgba(255,255,255,.9);
    --color-card-solid: rgba(255,255,255,.92);
    --color-header: rgba(255,255,255,.85);
    --color-footer: rgba(255,255,255,.8);
    --color-tooltip: rgba(255,255,255,.96);
    --color-border: rgba(209,250,229,.6);
    --color-border-light: rgba(209,250,229,.5);
    --color-border-strong: rgba(209,250,229,.8);
    --color-accent: #10b981;
    --color-accent-2: #65a30d;
    --color-accent-hover: #059669;
    --color-accent-active: #047857;
    --color-accent-bg: rgba(16,185,129,.08);
    --color-accent-focus: rgba(16,185,129,.1);
    --color-shadow: rgba(6,78,59,.04);
    --color-shadow-hover: rgba(6,78,59,.08);
    --color-input-border: rgba(203,213,225,.5);
    --color-gray-bg: rgba(241,245,249,.8);
    --color-green-bg: rgba(236,253,245,.8);
    --color-white: #fff;
    --color-icon-bg: linear-gradient(135deg, var(--color-accent-bg), #d1fae5);
    --color-detail-icon: #065f46;
    --color-btn-secondary-hover-bg: #d1fae5;
    --color-btn-secondary-hover-text: #064e3b;
    --color-fav-hover: #f59e0b;
    --color-fav-active: #ef4444;
    --color-fav-bg: rgba(245,158,11,.1);
    --color-fav-active-bg: rgba(239,68,68,.1);
    --color-fav-border: rgba(226,232,240,.5);
    --color-icp-divider: #a7f3d0;
    --color-btn-shadow: rgba(0,0,0,.08);
    --color-btn-shadow-hover: rgba(0,0,0,.08);
}

html[data-theme="dark"] {
    --bg-body: linear-gradient(135deg, #0b1220 0%, #0f172a 40%, #1e293b 100%);
    --color-text: #cbd5e1;
    --color-heading: #f1f5f9;
    --color-heading-2: #f8fafc;
    --color-body: #e2e8f0;
    --color-muted: #94a3b8;
    --color-light: #64748b;
    --color-card: rgba(30,41,59,.75);
    --color-card-solid: rgba(30,41,59,.85);
    --color-header: rgba(15,23,42,.85);
    --color-footer: rgba(15,23,42,.8);
    --color-tooltip: rgba(15,23,42,.9);
    --color-border: rgba(51,65,85,.6);
    --color-border-light: rgba(51,65,85,.5);
    --color-border-strong: rgba(51,65,85,.8);
    --color-accent: #34d399;
    --color-accent-2: #84cc16;
    --color-accent-hover: #6ee7b7;
    --color-accent-active: #a7f3d0;
    --color-accent-bg: rgba(52,211,153,.1);
    --color-accent-focus: rgba(52,211,153,.15);
    --color-shadow: rgba(0,0,0,.2);
    --color-shadow-hover: rgba(0,0,0,.3);
    --color-input-border: rgba(71,85,105,.5);
    --color-gray-bg: rgba(51,65,85,.6);
    --color-green-bg: rgba(51,65,85,.4);
    --color-white: #1e293b;
    --color-icon-bg: linear-gradient(135deg, #1e293b, #334155);
    --color-detail-icon: #34d399;
    --color-btn-secondary-hover-bg: #334155;
    --color-btn-secondary-hover-text: #f1f5f9;
    --color-fav-hover: #fbbf24;
    --color-fav-active: #f87171;
    --color-fav-bg: rgba(251,191,36,.15);
    --color-fav-active-bg: rgba(248,113,113,.15);
    --color-fav-border: rgba(51,65,85,.5);
    --color-icp-divider: #334155;
    --color-btn-shadow: rgba(0,0,0,.3);
    --color-btn-shadow-hover: rgba(0,0,0,.4);
}

html[data-theme="dark"] .nav-detail-card,
html[data-theme="dark"] .nav-detail-content,
html[data-theme="dark"] .nav-detail-meta {
    background: rgba(30,41,59,.7);
}

/**
 * LookNav - 简约网址导航主题
 * UI 风格：浅绿色、清新自然、毛玻璃、柔和阴影
 */

/* ========== Reset & Base ========== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--bg-body);
    background-attachment: fixed;
    min-height: 100vh;
}

a {
    color: var(--color-accent-hover);
    text-decoration: none;
    transition: all .2s ease;
}

a:hover {
    color: var(--color-accent-active);
}

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

/* ========== Container ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== Header ========== */
.site-header {
    background: var(--color-header);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 20px;
}

.logo {
    display: inline-flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-heading-2);
    letter-spacing: -.02em;
}

.logo img {
    max-height: 38px;
    width: auto;
    border-radius: 8px;
}

.logo-text {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-desc {
    margin: 0;
    color: var(--color-muted);
    font-size: .875rem;
    flex: 1 1 auto;
}

.main-nav {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.main-nav a {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 9999px;
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-body);
    background: transparent;
    transition: all .2s ease;
}

.main-nav a:hover {
    background: var(--color-accent-bg);
    color: var(--color-accent-hover);
}

.main-nav a.current {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    color: var(--color-white);
    box-shadow: 0 4px 14px var(--color-accent-bg);
}

/* ========== Header Time ========== */
.header-time {
    position: relative;
    padding: 8px 16px;
    background: var(--color-accent-bg);
    border: 1px solid var(--color-accent-bg);
    border-radius: 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: .9375rem;
    font-weight: 600;
    color: var(--color-accent-hover);
    cursor: default;
    transition: all .2s ease;
    flex-shrink: 0;
    user-select: none;
}

.header-time:hover {
    background: var(--color-accent-bg);
    border-color: var(--color-accent-bg);
}

.header-time-tooltip {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 230px;
    background: var(--color-tooltip);
    border: 1px solid var(--color-border-strong);
    border-radius: 16px;
    padding: 16px 18px;
    box-shadow: 0 16px 40px var(--color-shadow-hover);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all .25s cubic-bezier(.4, 0, .2, 1);
    z-index: 200;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-time:hover .header-time-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.header-time-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 24px;
    width: 12px;
    height: 12px;
    background: var(--color-tooltip);
    border-left: 1px solid var(--color-border-strong);
    border-top: 1px solid var(--color-border-strong);
    transform: rotate(45deg);
}

/* ========== Theme Toggle ========== */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    background: var(--color-card);
    color: var(--color-muted);
    cursor: pointer;
    transition: all .3s cubic-bezier(.4, 0, .2, 1);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--color-accent-bg);
    color: var(--color-accent-hover);
    border-color: var(--color-accent);
    transform: scale(1.08) rotate(12deg);
    box-shadow: 0 4px 12px var(--color-shadow-hover);
}

.theme-toggle:active {
    transform: scale(.95);
}

.theme-toggle svg {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -9px;
    margin-left: -9px;
    transition: all .4s cubic-bezier(.4, 0, .2, 1);
}

.theme-toggle .icon-sun {
    transform: rotate(0deg);
    opacity: 1;
}

.theme-toggle .icon-moon {
    transform: rotate(-90deg) scale(.5);
    opacity: 0;
}

html[data-theme="dark"] .theme-toggle .icon-sun {
    transform: rotate(90deg) scale(.5);
    opacity: 0;
}

html[data-theme="dark"] .theme-toggle .icon-moon {
    transform: rotate(0deg);
    opacity: 1;
}

.tt-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    font-size: .875rem;
    border-bottom: 1px dashed var(--color-border);
    gap: 12px;
}

.tt-row:last-child {
    border-bottom: none;
}

.tt-label {
    color: var(--color-light);
    flex-shrink: 0;
}

.tt-value {
    color: var(--color-heading);
    font-weight: 600;
    text-align: right;
    word-break: break-all;
}

/* ========== Body ========== */
.site-body {
    padding: 40px 0 60px;
    min-height: 60vh;
}

/* ========== Nav Page Layout ========== */
.nav-page {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

/* ========== Sidebar ========== */
.nav-sidebar {
    width: 200px;
    flex-shrink: 0;
    position: sticky;
    top: 92px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    scrollbar-width: thin;
}

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

.nav-sidebar::-webkit-scrollbar-thumb {
    background: var(--color-accent-bg);
    border-radius: 4px;
}

.nav-sidebar-inner {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 1px 3px var(--color-shadow), 0 4px 12px var(--color-shadow);
}

.nav-sidebar-title {
    font-size: .875rem;
    font-weight: 700;
    color: var(--color-heading);
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border-light);
}

.nav-sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-sidebar-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-body);
    transition: all .2s ease;
}

.nav-sidebar-link:hover {
    background: var(--color-accent-bg);
    color: var(--color-accent-hover);
}

.nav-sidebar-link:active {
    transform: scale(.98);
}

.nav-sidebar-count {
    font-size: .75rem;
    font-weight: 600;
    color: var(--color-light);
    background: var(--color-gray-bg);
    padding: 2px 8px;
    border-radius: 6px;
    transition: all .2s;
}

.nav-sidebar-link:hover .nav-sidebar-count {
    background: var(--color-accent-bg);
    color: var(--color-accent-hover);
}

.nav-main {
    flex: 1 1 auto;
    min-width: 0;
}

/* ========== Time Widget ========== */
.nav-time {
    margin-bottom: 28px;
    padding: 24px 28px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: 0 1px 3px var(--color-shadow), 0 4px 12px var(--color-shadow);
    text-align: center;
}

.nav-time-clock {
    font-size: 3.5rem;
    font-weight: 700;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    letter-spacing: .05em;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-time-date {
    margin-top: 8px;
    font-size: 1rem;
    color: var(--color-muted);
    font-weight: 500;
}

/* ========== Search Widget ========== */
.nav-search {
    margin-bottom: 28px;
    padding: 20px 24px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: 0 1px 3px var(--color-shadow), 0 4px 12px var(--color-shadow);
}

.nav-search-engines {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.nav-search-engine {
    padding: 5px 14px;
    border-radius: 8px;
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-muted);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .2s ease;
}

.nav-search-engine:hover {
    background: var(--color-accent-bg);
    color: var(--color-accent-hover);
}

.nav-search-engine.active {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 4px 12px var(--color-accent-bg);
}

.nav-search-box {
    display: flex;
    gap: 10px;
}

.nav-search-box input {
    flex: 1 1 auto;
    min-width: 0;
    padding: 12px 16px;
    border: 1px solid var(--color-input-border);
    border-radius: 12px;
    font-size: .9375rem;
    font-family: inherit;
    background: var(--color-white);
    color: var(--color-heading);
    transition: all .2s ease;
}

.nav-search-box input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-accent-focus);
}

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

html[data-theme="dark"] .nav-search-box input {
    background: rgba(30,41,59,.7);
}

.nav-search-box button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    color: var(--color-white);
    cursor: pointer;
    transition: all .2s ease;
    box-shadow: 0 4px 14px var(--color-accent-bg);
    flex-shrink: 0;
}

.nav-search-box button:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--color-accent-bg);
}

.nav-search-box button:active {
    transform: scale(.97);
}

/* ========== Nav Section ========== */
.nav-section {
    margin-bottom: 48px;
}

.nav-section-title {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-muted);
    margin: 0 0 20px;
    padding: 12px 16px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 1px 3px var(--color-shadow);
}

.nav-section-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    color: var(--color-white);
    border-radius: 8px;
    font-size: .75rem;
    font-weight: 800;
    box-shadow: 0 4px 10px var(--color-accent-bg);
}

.nav-section-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    background: var(--color-accent-bg);
    color: var(--color-accent-hover);
    border-radius: 12px;
    font-size: .75rem;
    font-weight: 600;
}

.nav-section-title > .nav-section-count:last-child {
    margin-left: auto;
}

.nav-section-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-left: auto;
}

.nav-section-filter {
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-light);
    font-size: .8125rem;
    cursor: pointer;
    transition: all .2s;
    white-space: nowrap;
}

.nav-section-filter:hover,
.nav-section-filter.active {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

/* ========== Nav Grid ========== */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
}

/* ========== Nav Card ========== */
.nav-card {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 16px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: 0 1px 3px var(--color-shadow), 0 4px 12px var(--color-shadow);
    transition: all .3s cubic-bezier(.4, 0, .2, 1);
    color: inherit;
    position: relative;
    overflow: hidden;
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
    opacity: 0;
    transition: opacity .3s ease;
}

.nav-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px var(--color-shadow-hover);
    border-color: var(--color-accent-bg);
    color: inherit;
}

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

.nav-card-main {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1 1 auto;
    min-width: 0;
    color: inherit;
    text-decoration: none;
}

.nav-card-main:hover {
    color: inherit;
}

.nav-card-icon {
    position: relative;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--color-icon-bg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-detail-icon);
    box-shadow: inset 0 0 0 1px var(--color-btn-shadow);
}

.nav-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.nav-card-icon img[src=""],
.nav-detail-icon img[src=""] {
    display: none;
}

.nav-card-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
}

.nav-card-body {
    flex: 1 1 auto;
    min-width: 0;
}

.nav-card-tag {
    display: inline-block;
    margin-top: 4px;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: .75rem;
    color: var(--color-accent);
    background: var(--color-accent-bg);
    width: fit-content;
}

.nav-card-title {
    margin: 0;
    font-size: .9375rem;
    font-weight: 600;
    color: var(--color-heading);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color .2s;
}

.nav-card:hover .nav-card-title {
    color: var(--color-accent-hover);
}

/* ========== Jump Button ========== */
.nav-card-jump {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-left: 10px;
    border-radius: 10px;
    color: var(--color-light);
    background: var(--color-green-bg);
    transition: all .25s ease;
    flex-shrink: 0;
    border: 1px solid var(--color-border-light);
}

.nav-card-jump:hover {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 4px 12px var(--color-accent-bg);
    transform: scale(1.08);
}

/* ========== Favorite Button ========== */
.nav-fav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-left: 6px;
    border-radius: 10px;
    color: var(--color-light);
    background: var(--color-gray-bg);
    border: 1px solid var(--color-fav-border);
    cursor: pointer;
    transition: all .25s ease;
    flex-shrink: 0;
    padding: 0;
}

.nav-fav-btn:hover {
    background: var(--color-fav-bg);
    color: var(--color-fav-hover);
    border-color: var(--color-fav-bg);
    transform: scale(1.08);
}

.nav-fav-btn.active {
    background: var(--color-fav-bg);
    color: var(--color-fav-hover);
    border-color: var(--color-fav-bg);
}

.nav-fav-btn.active:hover {
    background: var(--color-fav-active-bg);
    color: var(--color-fav-active);
    border-color: var(--color-fav-active-bg);
}

.nav-fav-btn .fav-icon-filled {
    display: none;
}

.nav-fav-btn.active .fav-icon-empty {
    display: none;
}

.nav-fav-btn.active .fav-icon-filled {
    display: block;
}

/* ========== Empty State ========== */
.nav-empty {
    text-align: center;
    padding: 100px 24px;
    color: var(--color-muted);
}

.nav-empty p:first-child {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 8px;
}

.nav-empty-tip {
    font-size: .875rem;
    color: var(--color-light);
    margin-top: 8px;
}

/* ========== Detail Page ========== */
.nav-detail {
    max-width: 1200px;
    margin: 0 auto;
}

.nav-detail-card {
    background: rgba(255,255,255,.7);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 48px 40px;
    text-align: center;
    box-shadow: 0 4px 24px var(--color-shadow);
    position: relative;
    overflow: hidden;
}

.nav-detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
}

.nav-detail-icon {
    position: relative;
    width: 88px;
    height: 88px;
    margin: 0 auto 24px;
    border-radius: 22px;
    background: var(--color-icon-bg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-detail-icon);
    box-shadow: 0 8px 24px var(--color-shadow-hover), inset 0 0 0 1px var(--color-btn-shadow);
}

.nav-detail-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.nav-detail-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
}

.nav-detail-title {
    margin: 0 0 10px;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-heading);
    letter-spacing: -.02em;
}

.nav-detail-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin: 0 0 16px;
    font-size: .875rem;
    color: var(--color-muted);
}

.nav-detail-info .info-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.nav-detail-info .info-item svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.nav-detail-info .info-item a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color .2s;
}

.nav-detail-info .info-item a:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

.nav-detail-url {
    margin: 0 0 28px;
    font-size: .875rem;
    color: var(--color-muted);
    word-break: break-all;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    background: var(--color-green-bg);
    padding: 6px 14px;
    border-radius: 8px;
    display: inline-block;
}

.nav-detail-actions {
    display: inline-flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-detail-content {
    margin-top: 28px;
    background: rgba(255,255,255,.7);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 36px;
    box-shadow: 0 4px 24px var(--color-shadow);
}

.nav-detail-content h2 {
    margin: 0 0 20px;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-heading);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-detail-content h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 20px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-accent-2));
    border-radius: 2px;
}

.content-body {
    color: var(--color-body);
    line-height: 1.85;
    font-size: .9375rem;
}

.content-body p {
    margin: 0 0 1em;
}

.content-body img {
    border-radius: 12px;
    box-shadow: 0 4px 16px var(--color-shadow-hover);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: .9375rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all .25s cubic-bezier(.4, 0, .2, 1);
    text-decoration: none;
    box-shadow: 0 4px 14px var(--color-btn-shadow-hover);
}

.btn:active {
    transform: scale(.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    color: var(--color-white);
    box-shadow: 0 4px 18px var(--color-accent-bg);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-accent-hover), var(--color-accent-2));
    color: var(--color-white);
    box-shadow: 0 6px 24px var(--color-accent-bg);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-accent-bg);
    color: var(--color-detail-icon);
    box-shadow: 0 2px 8px var(--color-shadow);
}

.btn-secondary:hover {
    background: var(--color-btn-secondary-hover-bg);
    color: var(--color-btn-secondary-hover-text);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px var(--color-shadow-hover);
}

/* ========== Detail Meta ========== */
.nav-detail-meta {
    margin-top: 28px;
    background: rgba(255,255,255,.7);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 28px 32px;
    box-shadow: 0 4px 24px var(--color-shadow);
}

.meta-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .9375rem;
    line-height: 1.8;
    flex-wrap: wrap;
}

.meta-row + .meta-row {
    margin-top: 4px;
}

.meta-label {
    color: var(--color-muted);
    font-weight: 500;
    flex-shrink: 0;
}

.meta-value {
    color: var(--color-heading);
    font-weight: 600;
}

.meta-link {
    color: var(--color-accent);
    text-decoration: none;
    word-break: break-all;
    font-weight: 500;
    transition: color .2s;
}

.meta-link:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

.meta-notice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: .875rem;
    line-height: 1.65;
}

.meta-notice svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.meta-notice strong {
    font-weight: 600;
    color: var(--color-heading);
}

.meta-notice--warning {
    background: var(--color-fav-bg);
    border: 1px solid var(--color-fav-border);
    color: var(--color-body);
}

.meta-notice--warning svg {
    color: var(--color-fav-hover);
}

.meta-notice--info {
    background: var(--color-accent-bg);
    border: 1px solid var(--color-border-light);
    color: var(--color-body);
}

.meta-notice--info svg {
    color: var(--color-accent);
}

/* ========== Comments ========== */
.nav-comments {
    margin-top: 28px;
    background: rgba(255,255,255,.72);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 36px;
    box-shadow: 0 4px 24px var(--color-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

html[data-theme="dark"] .nav-comments {
    background: rgba(15,23,42,.72);
}

.nav-comments h3 {
    margin: 0 0 20px;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-heading);
}

.comment-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.comment-body {
    padding: 28px 0;
    border-bottom: 1px solid var(--color-border-light);
}

.comment-body:last-child {
    border-bottom: none;
}

.comment-author {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.comment-author .avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.comment-author .fn {
    font-style: normal;
    font-weight: 700;
    color: var(--color-heading);
    font-size: .9375rem;
}

.comment-author .fn a {
    color: var(--color-heading);
    text-decoration: none;
    transition: color .2s;
}

.comment-author .fn a:hover {
    color: var(--color-accent-hover);
}

.comment-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    padding-left: 54px;
    font-size: .8125rem;
}

.comment-meta a {
    color: var(--color-light);
    text-decoration: none;
    transition: color .2s;
}

.comment-meta a:hover {
    color: var(--color-accent-hover);
}

.comment-meta .comment-reply {
    margin-left: auto;
}

.comment-meta .comment-reply a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--color-accent-bg);
    color: var(--color-accent);
    font-size: .8125rem;
    font-weight: 500;
    text-decoration: none;
    transition: all .2s;
}

.comment-meta .comment-reply a:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.comment-content {
    color: var(--color-body);
    font-size: .9375rem;
    line-height: 1.8;
    padding: 14px 18px;
    margin-left: 54px;
    background: rgba(209,250,229,.35);
    border-radius: 12px;
    border-left: 3px solid var(--color-accent);
    box-shadow: 0 2px 12px var(--color-shadow);
    word-break: break-word;
    transition: all .3s;
    position: relative;
}

html[data-theme="dark"] .comment-content {
    background: rgba(15,23,42,.6);
}

.comment-content::before {
    content: '\275D';
    position: absolute;
    top: 6px;
    right: 12px;
    font-size: 1.5rem;
    color: var(--color-accent);
    opacity: .15;
    line-height: 1;
    pointer-events: none;
}

.comment-content p {
    margin: 0 0 .8em;
}

.comment-content p:last-child {
    margin-bottom: 0;
}

.comment-content a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px dashed var(--color-accent);
    transition: all .2s;
}

.comment-content a:hover {
    border-bottom-style: solid;
    opacity: .85;
}

.comment-content blockquote {
    margin: 12px 0;
    padding: 12px 16px;
    border-left: 4px solid var(--color-accent);
    background: rgba(128,128,128,.08);
    border-radius: 0 8px 8px 0;
    color: var(--color-heading-2);
    font-style: italic;
}

.comment-content blockquote p:last-child {
    margin-bottom: 0;
}

.comment-content code {
    background: rgba(128,128,128,.12);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: .85em;
    color: var(--color-accent);
}

.comment-content pre {
    background: rgba(128,128,128,.12);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 12px 0;
    line-height: 1.5;
}

.comment-content pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.comment-content img {
    max-width: 100%;
    border-radius: 8px;
    margin: 8px 0;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.comment-content ul,
.comment-content ol {
    margin: 8px 0;
    padding-left: 24px;
}

.comment-content li {
    margin-bottom: 4px;
}

.comment-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: .875rem;
    border-radius: 8px;
    overflow: hidden;
}

.comment-content th,
.comment-content td {
    border: 1px solid var(--color-border);
    padding: 8px 12px;
    text-align: left;
}

.comment-content th {
    background: var(--color-card-solid);
    font-weight: 600;
}

.comment-children {
    margin-top: 16px;
    margin-left: 54px;
    padding-left: 16px;
    border-left: 2px solid var(--color-border);
}

.comment-children .comment-list {
    margin-top: 0;
}

.comment-children .comment-body:last-child {
    padding-bottom: 0;
}

.cancel-comment-reply {
    text-align: right;
    margin-bottom: 10px;
}

.cancel-comment-reply a {
    font-size: .875rem;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color .2s;
}

.cancel-comment-reply a:hover {
    color: var(--color-accent-hover);
}

.respond {
    margin-top: 28px;
    padding-top: 28px;
    border-top: 1px solid var(--color-border-light);
}

.respond .text,
.respond .textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-accent-bg);
    border-radius: 12px;
    font-size: .9375rem;
    font-family: inherit;
    background: var(--color-white);
    color: var(--color-heading);
    transition: all .2s ease;
}

.respond .text:focus,
.respond .textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-accent-focus);
}

html[data-theme="dark"] .respond .text,
html[data-theme="dark"] .respond .textarea {
    background: rgba(30,41,59,.7);
}

.respond .textarea {
    resize: vertical;
    min-height: 110px;
}

.respond p {
    margin: 0 0 14px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========== Footer ========== */
.site-footer {
    padding: 0 0 40px;
}

.footer-inner {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 32px 40px;
    box-shadow: 0 4px 24px var(--color-shadow);
    position: relative;
    overflow: hidden;
}

.footer-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
}

.footer-brand {
    text-align: center;
    margin-bottom: 20px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-heading);
    transition: color .2s;
}

.footer-logo:hover {
    color: var(--color-accent-hover);
}

.footer-logo img {
    max-height: 28px;
    width: auto;
    border-radius: 6px;
}

.footer-desc {
    margin: 8px 0 0;
    font-size: .875rem;
    color: var(--color-light);
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-bg), transparent);
    margin-bottom: 20px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: .8125rem;
    color: var(--color-light);
}

.footer-bottom-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-bottom a {
    color: var(--color-muted);
    font-weight: 500;
    transition: color .2s;
}

.footer-bottom a:hover {
    color: var(--color-accent-hover);
}

.footer-icp {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.footer-icp a {
    color: var(--color-light);
}

.footer-icp a:hover {
    color: var(--color-accent-hover);
}

.footer-running {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--color-muted);
    font-size: .875rem;
}

.footer-running svg {
    color: var(--color-accent);
}

.icp-divider {
    color: var(--color-icp-divider);
    user-select: none;
}

.footer-visit {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--color-muted);
    font-size: .875rem;
    margin-right: 16px;
}

.footer-visit svg {
    color: var(--color-accent);
}

.footer-powered,
.footer-theme {
    font-size: .875rem;
    color: var(--color-muted);
}

.footer-powered a,
.footer-theme a {
    color: var(--color-accent-hover);
    font-weight: 600;
}

.footer-powered a:hover,
.footer-theme a:hover {
    color: var(--color-accent-active);
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .nav-sidebar {
        display: none;
    }

    .nav-page {
        display: block;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }

    .header-inner {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px 12px;
    }

    .site-desc {
        display: none;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo img {
        max-height: 30px;
    }

    .header-time {
        margin-left: auto;
        font-size: .8125rem;
        padding: 5px 10px;
    }

    .header-time-tooltip {
        right: 0;
        left: auto;
        width: calc(100vw - 48px);
        max-width: 260px;
    }

    .header-time-tooltip::before {
        right: 20px;
        left: auto;
    }

    .main-nav {
        width: 100%;
        gap: 4px;
    }

    .main-nav a {
        padding: 5px 12px;
        font-size: .8125rem;
    }

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

    .nav-card {
        padding: 12px;
    }

    .nav-card-jump,
    .nav-fav-btn {
        width: 32px;
        height: 32px;
    }

    .nav-time-clock {
        font-size: 2.5rem;
    }

    .nav-search {
        padding: 16px;
    }

    .nav-search-box button {
        width: 44px;
        height: 44px;
    }

    .footer-inner {
        padding: 24px 20px;
    }

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }

    .footer-bottom-left {
        justify-content: center;
        width: 100%;
    }

    .footer-powered,
    .footer-theme {
        width: 100%;
    }

    .nav-detail-card {
        padding: 32px 20px;
        border-radius: 20px;
    }

    .nav-detail-info {
        gap: 10px;
        font-size: .8125rem;
    }

    .nav-detail-content,
    .nav-detail-meta,
    .nav-comments {
        padding: 24px 20px;
        border-radius: 20px;
    }

    .comment-meta,
    .comment-content {
        padding-left: 0;
    }

    .comment-children {
        margin-left: 16px;
        padding-left: 12px;
    }

    .footer-icp {
        gap: 4px;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .nav-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-sidebar {
        width: 170px;
    }
}