:root {
    --bg-primary: #e8ecf1;
    --text-primary: #0f0f1a;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --danger: #e74c3c;
    --border-color: rgba(0,0,0,0.06);
    --accent: #667eea;
    --accent-light: #818cf8;
    --accent-gradient: linear-gradient(135deg, #667eea, #764ba2);

    --primary: #5b6eeb;
    --primary-dark: #4a5cd4;

    --glass-blur-sm: 12px;
    --glass-blur-md: 18px;
    --glass-blur-lg: 28px;
    --glass-blur-xl: 36px;
    --glass-saturate: 150%;

    --glass-bg-sm: rgba(255,255,255,0.35);
    --glass-bg-md: rgba(255,255,255,0.5);
    --glass-bg-lg: rgba(255,255,255,0.42);
    --glass-bg-xl: rgba(255,255,255,0.55);
    --glass-hover: rgba(255,255,255,0.65);
    --glass-border: rgba(255,255,255,0.25);
    --glass-border-hover: rgba(255,255,255,0.4);

    --depth-1: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
    --depth-2: 0 4px 12px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.03);
    --depth-3: 0 8px 24px rgba(0,0,0,0.07), 0 4px 8px rgba(0,0,0,0.04);
    --depth-4: 0 16px 40px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.05);

    --stat-accent: #667eea;
    --tag-bg: rgba(102,126,234,0.06);
    --tag-text: #6b7280;
    --hover-bg: rgba(102,126,234,0.05);
    --scrollbar-thumb: rgba(0,0,0,0.1);
    --scrollbar-track: transparent;
    --sidebar-width: 260px;
    --sidebar-bg: rgba(255,255,255,0.38);
    --sidebar-border: rgba(255,255,255,0.2);
    --font-heading: "Microsoft YaHei", "PingFang SC", "微软雅黑", sans-serif;
    --font-body: "Microsoft YaHei", "PingFang SC", "微软雅黑", sans-serif;

    --nav-pill-bg: rgba(102,126,234,0.1);
    --nav-pill-border: rgba(102,126,234,0.18);
}

[data-theme="dark"] {
    --bg-primary: #0a0a14;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --danger: #e74c3c;
    --border-color: rgba(255,255,255,0.04);
    --accent: #818cf8;
    --accent-light: #a5b4fc;
    --accent-gradient: linear-gradient(135deg, #667eea, #a78bfa);

    --glass-bg-sm: rgba(18,18,40,0.3);
    --glass-bg-md: rgba(18,18,40,0.4);
    --glass-bg-lg: rgba(15,15,35,0.38);
    --glass-bg-xl: rgba(20,20,45,0.48);
    --glass-hover: rgba(22,22,48,0.55);
    --glass-border: rgba(255,255,255,0.06);
    --glass-border-hover: rgba(255,255,255,0.12);

    --depth-1: 0 1px 3px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.1);
    --depth-2: 0 4px 12px rgba(0,0,0,0.25), 0 2px 4px rgba(0,0,0,0.12);
    --depth-3: 0 8px 24px rgba(0,0,0,0.3), 0 4px 8px rgba(0,0,0,0.15);
    --depth-4: 0 16px 40px rgba(0,0,0,0.4), 0 8px 16px rgba(0,0,0,0.2);

    --stat-accent: #818cf8;
    --tag-bg: rgba(255,255,255,0.04);
    --tag-text: #9ca3af;
    --hover-bg: rgba(129,140,248,0.06);
    --scrollbar-thumb: rgba(255,255,255,0.1);
    --sidebar-bg: rgba(15,15,35,0.35);
    --sidebar-border: rgba(255,255,255,0.06);
    --nav-pill-bg: rgba(129,140,248,0.12);
    --nav-pill-border: rgba(129,140,248,0.2);
}

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

html, body { width: 100%; max-width: 100%; }

.sidebar, .panel, .stat-card, .modal-content, .modal-overlay,
.video-item, .search-input-wrap, .region-tag, .sidebar-menu button,
.rising-item, .refresh-btn, .nav-indicator,
.sidebar::before {
    transition: background-color 0.4s ease, background 0.4s ease, color 0.35s ease, border-color 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.5s ease;
}

.stat-card { will-change: transform, opacity; }
.stat-card.animated { will-change: auto; }
.panel { will-change: transform, opacity; }
.panel.animated { will-change: auto; }

body {
    font-family: var(--font-body);
    background: linear-gradient(160deg, #f5f0fa 0%, #eef2f8 30%, #f8f3f8 60%, #f0f4f8 100%);
    color: var(--text-primary);
    line-height: 1.6; overflow-x: hidden; position: relative;
}
[data-theme="dark"] body { background: var(--bg-primary); }
body::before, body::after {
    content: ''; position: fixed; border-radius: 50%; filter: blur(120px); z-index: 0; pointer-events: none;
}
body::before {
    width: 600px; height: 600px;
    background: radial-gradient(circle at 40% 40%, rgba(102,126,234,0.15) 0%, rgba(118,75,162,0.06) 35%, transparent 70%);
    top: -200px; right: -100px; animation: orbFloat 20s ease-in-out infinite;
}
body::after {
    width: 500px; height: 500px;
    background: radial-gradient(circle at 60% 60%, rgba(245,158,11,0.1) 0%, rgba(236,72,153,0.04) 35%, transparent 70%);
    bottom: -150px; left: -80px; animation: orbFloat 24s ease-in-out infinite reverse;
}
.bg-orb-wrap { position: fixed; top: 50%; left: 50%; transform: translate(-50%,-50%); z-index: 0; pointer-events: none; }
.bg-orb {
    width: 400px; height: 400px;
    background: radial-gradient(circle at 50% 50%, rgba(16,185,129,0.06) 0%, rgba(6,182,212,0.03) 35%, transparent 70%);
    animation: orbFloat 28s ease-in-out infinite; animation-delay: -5s;
}
@keyframes orbFloat {
    0%,100% { transform: translate(0,0) scale(1) rotate(0deg); }
    25% { transform: translate(60px,-40px) scale(1.08) rotate(1deg); }
    50% { transform: translate(-30px,50px) scale(0.94) rotate(-1deg); }
    75% { transform: translate(-50px,-20px) scale(1.04) rotate(1deg); }
}
[data-theme="dark"] body::before { opacity: 0.5; }
[data-theme="dark"] body::after { opacity: 0.3; }
[data-theme="dark"] .bg-orb { opacity: 0.25; }
.sidebar, .main-content, .footer, .modal-overlay { position: relative; z-index: 1; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width); z-index: 200;
    background: var(--sidebar-bg);
    backdrop-filter: blur(var(--glass-blur-lg)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-lg)) saturate(var(--glass-saturate));
    border-right: 1px solid var(--sidebar-border);
    display: flex; flex-direction: column;
    box-shadow: var(--depth-3);
    transform: translateZ(0);
}

.sidebar-logo {
    display: flex; align-items: center; gap: 10px;
    padding: 24px 20px 18px;
    font-family: var(--font-heading); font-size: 17px; font-weight: 700;
    color: var(--text-primary); letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 8px;
}
.sidebar-logo h1 { font-size: inherit; font-weight: inherit; margin: 0; color: inherit; font-family: inherit; letter-spacing: inherit; }

.sidebar-menu {
    flex: 1; display: flex; flex-direction: column; gap: 3px;
    padding: 0 12px; position: relative;
}


.nav-indicator {
    position: absolute; left: 0; top: 0;
    height: 44px; border-radius: 13px; z-index: 0; pointer-events: none;
    background: var(--nav-pill-bg);
    border: 1px solid var(--nav-pill-border);
}

.sidebar-menu button {
    display: flex; align-items: center; gap: 12px;
    width: 100%; padding: 12px 14px; border: 1px solid transparent; border-radius: 12px;
    background: transparent; color: var(--text-secondary);
    font-family: var(--font-body); font-size: 14px; font-weight: 500;
    cursor: pointer; position: relative; z-index: 1; text-align: left;
    transition: color 0.3s cubic-bezier(0.22,0.61,0.36,1),
                padding 0.3s cubic-bezier(0.22,0.61,0.36,1);
}

.sidebar-menu button svg { flex-shrink: 0; opacity: 0.55; transition: opacity 0.3s, color 0.3s; }

.sidebar-menu button.active {
    background: transparent;
    border-color: transparent;
    color: var(--accent); font-weight: 600;
    box-shadow: none;
}
.sidebar-menu button.active svg { opacity: 1; color: var(--accent); }

.sidebar-footer {
    padding: 12px; border-top: 1px solid var(--border-color);
}

.theme-toggle {
    display: flex; align-items: center; gap: 10px;
    width: 100%; padding: 10px 14px; border: 1px solid var(--glass-border);
    border-radius: 12px; background: var(--glass-bg-sm);
    backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    color: var(--text-secondary); font-family: var(--font-body);
    font-size: 13px; cursor: pointer;
    transition: all 0.3s ease;
}
.theme-toggle:hover { background: var(--glass-hover); border-color: var(--accent); color: var(--accent); }
.theme-toggle svg { flex-shrink: 0; }

.feedback-entries {
    display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px;
}
.feedback-btn {
    display: flex; align-items: center; gap: 10px;
    width: 100%; padding: 8px 14px; border: 1px solid transparent;
    border-radius: 10px; background: transparent;
    color: var(--text-muted); font-family: var(--font-body);
    font-size: 12px; cursor: pointer;
    transition: all 0.25s ease;
}
.feedback-btn:hover { background: var(--glass-hover); border-color: var(--glass-border); color: var(--text-primary); }
.feedback-btn svg { flex-shrink: 0; opacity: 0.55; transition: opacity 0.25s; }
.feedback-btn:hover svg { opacity: 0.85; }

.feedback-label { display: block; margin: 18px 0 6px; font-size: 14px; color: var(--text-primary); font-weight: 600; }
.feedback-label:first-child { margin-top: 0; }
.feedback-optional { font-weight: 400; color: var(--text-muted); font-size: 12px; }
.feedback-required { color: #ef4444; }
.feedback-input, .feedback-textarea {
    width: 100%; padding: 12px 16px; border: 1px solid var(--glass-border);
    border-radius: 14px; background: var(--glass-bg-md);
    color: var(--text-primary); font-family: var(--font-body); font-size: 14px;
    outline: none; cursor: text;
    transition: all 0.35s cubic-bezier(0.22,0.61,0.36,1);
    box-sizing: border-box;
}
.feedback-input:focus, .feedback-textarea:focus {
    background: var(--glass-hover);
    border-color: rgba(128,128,128,0.45);
    box-shadow: var(--depth-2);
}
.feedback-input::placeholder, .feedback-textarea::placeholder { color: var(--text-muted); }
.feedback-textarea { min-height: 120px; line-height: 1.6; resize: vertical; }
.feedback-actions { display: flex; align-items: center; justify-content: flex-end; gap: 14px; margin-top: 20px; }
.feedback-hint { font-size: 12px; color: #ef4444; flex: 1; }
.feedback-submit {
    padding: 10px 28px; border: none; border-radius: 12px;
    background: var(--accent); color: #fff; font-family: var(--font-body);
    font-size: 14px; font-weight: 600; cursor: pointer;
    transition: opacity 0.25s, transform 0.2s;
}
.feedback-submit:disabled { opacity: 0.5; cursor: not-allowed; }
.feedback-submit:not(:disabled):hover { opacity: 0.88; transform: translateY(-1px); }
.feedback-submit:not(:disabled):active { transform: translateY(0); }

.sidebar-overlay {
    position: fixed; inset: 0; background: transparent;
    z-index: 199; display: none;
}

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    min-width: 0;
}

.mobile-topbar {
    display: none; align-items: center; gap: 10px;
    padding: 0 16px; height: 52px;
    background: var(--sidebar-bg);
    backdrop-filter: blur(24px) saturate(1.8);
    -webkit-backdrop-filter: blur(24px) saturate(1.8);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    position: sticky; top: 0; z-index: 50;
}
.mobile-menu-btn {
    width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--border-color);
    background: var(--glass-bg-sm); color: var(--text-primary); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}
.mobile-title {
    font-family: var(--font-heading); font-size: 15px; font-weight: 700;
    color: var(--text-primary);
}

.container { width: 100%; max-width: 1440px; min-width: 0; margin: 0 auto; padding: 24px 28px; }

.page-section {
    visibility: hidden;
    height: 0;
    overflow: hidden;
}
.page-section.active {
    visibility: visible;
    height: auto;
    overflow: visible;
    will-change: transform, opacity;
}

.stats-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-bottom: 12px; }
.dashboard-subtitle {
    margin: 0 0 16px; font-size: 13px; color: var(--text-muted);
}
.dashboard-subtitle strong { color: var(--accent); font-weight: 600; }
.refresh-row { display: none; }
.refresh-hint { font-size: 12px; color: var(--text-muted); white-space: nowrap; }
.refresh-btn {
    padding: 6px 14px; font-size: 12px; font-family: var(--font-body);
    background: var(--glass-bg-sm); border: 1px solid var(--glass-border);
    border-radius: 10px; color: var(--text-secondary); cursor: pointer;
    backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    transition: all 0.3s ease;
}
.refresh-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--glass-hover); }

.stat-card {
    background: var(--glass-bg-md);
    backdrop-filter: blur(var(--glass-blur-md)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-md)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: 20px; padding: 24px; text-align: center;
    box-shadow: var(--depth-2);
    transition: all 0.5s cubic-bezier(0.22,0.61,0.36,1);
    display: flex; flex-direction: column; justify-content: center;
    min-height: 120px; transform: translateZ(0);
}
.stat-card:hover {
    transform: translateY(-6px); background: var(--glass-hover);
    border-color: var(--glass-border-hover);
    box-shadow: var(--depth-4);
}
.stat-value { font-size: 36px; font-weight: 700; font-family: var(--font-heading); color: #4f46e5; margin-bottom: 4px; line-height: 1.2; }
[data-theme="dark"] .stat-value { color: #c7d2fe; }
.stat-label { font-size: 15px; color: #374151; font-weight: 500; }
[data-theme="dark"] .stat-label { color: #d1d5db; }

.panel-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; margin-bottom: 18px; }

.panel {
    background: var(--glass-bg-md);
    backdrop-filter: blur(var(--glass-blur-md)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-md)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: 20px; padding: 22px 24px 18px;
    box-shadow: var(--depth-2);
    transition: all 0.5s cubic-bezier(0.22,0.61,0.36,1);
    transform: translateZ(0);
    min-width: 0;
}
.panel:hover {
    background: var(--glass-hover);
    border-color: var(--glass-border-hover);
    box-shadow: var(--depth-3);
}
.panel h3 { font-size: 16px; font-weight: 700; margin-bottom: 14px; color: #1f2937; display: flex; align-items: center; gap: 8px; font-family: var(--font-heading); }
[data-theme="dark"] .panel h3 { color: #e5e7eb; }
.panel h3 small { font-weight: 400; color: var(--text-muted); font-family: var(--font-body); }

.chart-box { width: 100%; height: 340px; overflow: hidden; position: relative; }
.chart-skeleton {
    width: 100%; height: 100%; min-height: 260px; border-radius: 12px;
    background: linear-gradient(110deg, var(--tag-bg) 25%, rgba(102,126,234,0.06) 37%, var(--tag-bg) 63%);
    background-size: 200% 100%;
    animation: shimmer 1.8s ease-in-out infinite;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); font-size: 13px;
}
@keyframes shimmer { 0%{opacity:0.55} 50%{opacity:1} 100%{opacity:0.55} }

.video-list { max-height: 460px; overflow-y: auto; position: relative; }
.list-indicator {
    position: absolute; left: 0; top: 0; z-index: 0; pointer-events: none;
    border-radius: 12px; opacity: 0; width: 0; height: 0;
    background: rgba(102,126,234,0.07);
    box-shadow: 0 2px 12px rgba(102,126,234,0.06);
}
[data-theme="dark"] .list-indicator { background: rgba(129,140,248,0.08); box-shadow: 0 2px 12px rgba(129,140,248,0.06); }
.video-item {
    display: flex; align-items: flex-start; gap: 14px;
    padding: 14px; border-radius: 12px; cursor: pointer;
    margin-bottom: 4px; position: relative; z-index: 1;
}
.v-cover { width: 120px; height: 72px; border-radius: 10px; object-fit: cover; background: var(--tag-bg); flex-shrink: 0; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.v-info { flex: 1; min-width: 0; }
.v-title { font-size: 14px; font-weight: 600; line-height: 1.4; color: #1f2937; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin-bottom: 6px; }
[data-theme="dark"] .v-title { color: #e5e7eb; }
.v-meta { font-size: 12px; color: #9ca3af; display: flex; flex-wrap: wrap; gap: 4px 12px; }
.v-meta span { display: flex; align-items: center; gap: 4px; }
.v-bvid { font-size: 10px; color: var(--accent); background: rgba(102,126,234,0.08); padding: 1px 6px; border-radius: 4px; font-family: var(--font-heading); margin-left: auto; }

.search-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.search-input-wrap {
    display: flex; align-items: center;
    background: var(--glass-bg-md);
    backdrop-filter: blur(var(--glass-blur-md)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-md)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: 14px; overflow: hidden;
    box-shadow: var(--depth-1); transition: all 0.35s cubic-bezier(0.22,0.61,0.36,1);
    flex: 1;
}
.search-input-wrap:focus-within {
    background: var(--glass-hover);
    border-color: var(--accent);
    box-shadow: var(--depth-2), 0 0 0 3px rgba(102,126,234,0.1);
}
.search-input-wrap input { flex: 1; padding: 12px 0 12px 18px; background: transparent; border: none; font-size: 14px; color: var(--text-primary); outline: none; font-family: var(--font-body); }
.search-input-wrap input::placeholder { color: var(--text-muted); }
.search-btn-icon { flex-shrink: 0; padding: 12px 16px; background: transparent; border: none; font-size: 13px; font-weight: 600; cursor: pointer; color: var(--text-muted); font-family: var(--font-body); transition: color 0.2s; }
.search-btn-icon:hover { color: var(--accent); }

.region-tags-row { display: flex; align-items: stretch; gap: 8px; margin-bottom: 18px; }
.region-tags { flex: 1; min-width: 0; display: flex; flex-wrap: nowrap; gap: 8px; overflow-x: auto; scroll-behavior: smooth; padding-bottom: 6px; --fade: 36px; -webkit-mask-image: linear-gradient(to right, transparent 0%, black var(--fade), black calc(100% - var(--fade)), transparent 100%); mask-image: linear-gradient(to right, transparent 0%, black var(--fade), black calc(100% - var(--fade)), transparent 100%); scrollbar-width: none; position: relative; }
.region-tags::-webkit-scrollbar { display: none; }
.region-tags.expanded { flex-wrap: wrap; overflow-x: visible; padding-bottom: 0; -webkit-mask-image: none; mask-image: none; }
.region-indicator {
    position: absolute; z-index: 0; pointer-events: none;
    height: 34px; border-radius: 20px;
    background: rgba(102,126,234,0.08);
    border: 1px solid rgba(102,126,234,0.12);
    opacity: 0;
}
[data-theme="dark"] .region-indicator {
    background: rgba(129,140,248,0.08);
    border-color: rgba(129,140,248,0.12);
}
.region-tags.expanded .region-indicator { display: none; }
.region-scroll-btn { flex-shrink: 0; align-self: center; width: 28px; height: 28px; padding: 0; background: var(--glass-bg-sm); border: 1px solid var(--glass-border); border-radius: 14px; font-size: 18px; line-height: 1; cursor: pointer; font-family: var(--font-body); color: var(--text-muted); transition: all 0.3s; display: flex; align-items: center; justify-content: center; }
.region-scroll-btn:hover { color: var(--accent); border-color: var(--accent); }
.region-scroll-btn:disabled { opacity: 0.25; cursor: default; pointer-events: none; }
.region-expand-btn { flex-shrink: 0; align-self: center; height: 34px; padding: 0 14px; background: var(--glass-bg-sm); border: 1px solid var(--glass-border); border-radius: 17px; font-size: 13px; cursor: pointer; font-family: var(--font-body); color: var(--text-muted); transition: all 0.3s; }
.region-expand-btn:hover { color: var(--accent); border-color: var(--accent); }
.region-tag { flex-shrink: 0; padding: 7px 18px; background: var(--glass-bg-sm); backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate)); -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate)); color: var(--tag-text); border: 1px solid var(--glass-border); border-radius: 20px; font-size: 13px; font-weight: 500; cursor: pointer; font-family: var(--font-body); transition: all 0.25s; user-select: none; line-height: 1.5; }
.region-tag.active { background: rgba(102,126,234,0.1); color: #4f46e5; border-color: rgba(102,126,234,0.2); box-shadow: none; }
[data-theme="dark"] .region-tag.active { background: rgba(129,140,248,0.12); color: #a5b4fc; border-color: rgba(129,140,248,0.18); }


.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.12); backdrop-filter: blur(20px) saturate(1.5); -webkit-backdrop-filter: blur(20px) saturate(1.5); z-index: 1000; display: none; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
[data-theme="dark"] .modal-overlay { background: rgba(0,0,0,0.4); }
.modal-content, .modal-card {
    background: var(--glass-bg-xl);
    backdrop-filter: blur(var(--glass-blur-xl)) saturate(2);
    -webkit-backdrop-filter: blur(var(--glass-blur-xl)) saturate(2);
    border: 1px solid var(--glass-border);
    border-radius: 24px; width: 92%; max-width: 860px;
    box-shadow: var(--depth-4);
}
.modal-card { max-width: 520px; }
[data-theme="dark"] .modal-content, [data-theme="dark"] .modal-card { background: rgba(20,20,45,0.5); }
.modal-header, .modal-head { display: flex; justify-content: space-between; align-items: flex-start; padding: 24px 28px 16px; border-bottom: 1px solid var(--border-color); }
.modal-header h3, .modal-head h3 { font-size: 17px; font-weight: 700; color: var(--text-primary); line-height: 1.4; flex: 1; padding-right: 16px; font-family: var(--font-heading); outline: none; }
.modal-close { background: var(--tag-bg); border: none; font-size: 18px; cursor: pointer; color: var(--text-muted); width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all 0.2s; flex-shrink: 0; }
.modal-close:hover { background: #ef4444; color: #fff; }
.modal-body { padding: 24px 28px; }
#detail-info p { margin-bottom: 6px; font-size: 14px; color: #374151; line-height: 1.6; font-weight: 500; }
[data-theme="dark"] #detail-info p { color: #e5e7eb; }
#detail-info p:first-child { font-weight: 700; color: #111827; font-size: 15px; margin-bottom: 10px; }
[data-theme="dark"] #detail-info p:first-child { color: #ffffff; }
.curve-formula {
    font-size: 11px; color: var(--text-muted); line-height: 1.6;
    margin: 12px 0 0; text-align: center;
}
.curve-formula strong { color: var(--accent); }

.loading { text-align: center; padding: 48px 20px; color: var(--text-secondary); font-size: 14px; }
.loading::before { content: ''; display: block; width: 32px; height: 32px; border: 3px solid var(--border-color); border-top-color: var(--accent); border-radius: 50%; margin: 0 auto 12px; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state { text-align: center; padding: 40px; color: var(--text-secondary); font-size: 14px; }
.history-empty-state {
    min-height: 260px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.history-empty-state strong { color: var(--text-primary); font-size: 15px; }
.history-empty-state span { max-width: 360px; line-height: 1.6; }

button:active { transform: scale(0.95); }

#video-page-info { font-weight: 400; color: var(--text-muted); font-size: 12px; margin-left: auto; font-family: var(--font-body); }
.footer { text-align: center; padding: 28px; color: var(--text-muted); font-size: 12px; letter-spacing: 0.5px; font-family: var(--font-body); }

.rising-list { height: 380px; overflow-y: auto; overflow-x: hidden; position: relative; }
.rising-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; cursor: pointer; border-bottom: 1px solid var(--tag-bg); position: relative; z-index: 1; }
.rising-rank { width: 22px; height: 22px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; font-family: var(--font-heading); background: rgba(0,0,0,0.04); color: var(--text-primary); }
.rising-item:nth-child(1) .rising-rank { background: #f59e0b; color: #fff; }
.rising-item:nth-child(2) .rising-rank { background: #a78bfa; color: #fff; }
.rising-item:nth-child(3) .rising-rank { background: #ec4899; color: #fff; }
.rising-title { flex: 1; font-size: 13px; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rising-item:first-child .rising-title { font-size: 14px; font-weight: 700; }
.rising-item:nth-child(2) .rising-title { font-size: 14px; font-weight: 600; }
.rising-item:nth-child(3) .rising-title { font-weight: 600; }
.rank-change {
    display: inline-flex; align-items: center; justify-content: flex-end;
    min-width: 42px; font-size: 11px; font-weight: 700; white-space: nowrap;
    font-family: var(--font-heading);
}
.rank-change-up { color: #10b981; }
.rank-change-down { color: #ef4444; }
.rank-change-new { color: var(--accent); }
.rank-change-steady, .rank-change-initial { color: var(--text-muted); font-weight: 500; }
.rising-gain { font-size: 13px; font-weight: 600; color: #ef4444; white-space: nowrap; font-family: var(--font-heading); }
.rising-rate { font-size: 12px; color: #10b981; white-space: nowrap; min-width: 38px; text-align: right; font-family: var(--font-heading); }

.live-dot {
    display: inline-block; width: 7px; height: 7px; border-radius: 50%;
    background: #10b981; vertical-align: middle; margin-right: 2px;
    animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16,185,129,0.6); }
    50% { opacity: 0.55; box-shadow: 0 0 0 4px rgba(16,185,129,0); }
}

.export-btn-sm { background: var(--glass-bg-sm); border: 1px solid var(--glass-border); border-radius: 8px; padding: 3px 10px; font-size: 12px; cursor: pointer; color: var(--text-muted); margin-left: auto; font-family: var(--font-body); transition: all 0.3s; }
.export-btn-sm:hover { background: var(--glass-hover); color: var(--text-primary); border-color: var(--accent); }
.export-csv-btn { background: var(--glass-bg-sm); border: 1px solid var(--glass-border); border-radius: 10px; padding: 8px 14px; font-size: 13px; cursor: pointer; color: var(--text-primary); font-family: var(--font-body); transition: all 0.3s; margin-left: 8px; }
.export-csv-btn:hover { background: var(--glass-hover); border-color: var(--accent); }

#chart-heatmap { height: 290px; }
@keyframes fadeSlideIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
#chart-visual { min-height: 320px; }
#chart-donut { overflow: visible; }
#chart-region { height: 320px; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}
.sidebar-menu button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
    border-radius: 12px;
}


@media (max-width: 1100px) {
    .panel-row { grid-template-columns: 1fr; }
    .chart-box { height: 300px; }
}

@media (max-width: 900px) {
    .dash-header-row { flex-wrap: wrap; gap: 12px; }
    .page-section-title { font-size: 24px; }
    .dashboard-subtitle { font-size: 13px; }
}

@media (max-width: 1024px) {
    .stats-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .chart-box { height: 280px; }
    .video-list { max-height: 400px; }
    .panel-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        visibility: hidden;
        box-shadow: none;
    }
    .sidebar.open {
        transform: translateX(0);
        visibility: visible;
        box-shadow: 4px 0 32px rgba(0,0,0,0.2);
    }
    .sidebar-overlay {
        display: block;
        opacity: 0;
        pointer-events: none;
    }
    .sidebar-overlay.show { opacity: 1; pointer-events: auto; }
    .main-content { margin-left: 0; }
    .mobile-topbar { display: flex; }
    .container { padding: 16px; }
    .stats-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .dash-header-row { flex-direction: column; align-items: stretch; gap: 10px; margin-bottom: 12px; }
    .dash-header-right { align-items: flex-start; padding: 0; }
    .stat-card { padding: 18px; min-height: 100px; border-radius: 14px; }
    .stat-value { font-size: 24px; }
    .stat-label { font-size: 13px; }
    .panel { padding: 18px 18px 14px; border-radius: 14px; }
    .panel h3 { font-size: 15px; margin-bottom: 12px; }
    .chart-box { height: 260px; }
    .video-list { max-height: 380px; }
    .rising-list { height: auto; max-height: 260px; }
    .rising-item { padding: 8px 10px; gap: 6px; }
    .rising-rank { width: 20px; height: 20px; font-size: 11px; border-radius: 4px; }
    .rising-title { font-size: 12px; min-width: 0; }
    .rank-change { min-width: 38px; font-size: 10px; }
    .rising-gain { font-size: 12px; }
    .rising-rate { font-size: 11px; min-width: 30px; }
    .video-item { padding: 12px; gap: 10px; }
    .v-cover { width: 100px; height: 60px; border-radius: 8px; }
    .v-title { font-size: 13px; }
    .v-meta { font-size: 11px; gap: 2px 8px; }

    .search-bar { margin-bottom: 14px; flex-wrap: wrap; gap: 8px; }
    .search-bar .glass-dropdown { flex: 1; min-width: 0; }
    .discovery-toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
    .discovery-filters { flex-wrap: wrap; gap: 8px; }
    .discovery-count { margin-left: 0; align-self: flex-start; }

    .region-scroll-btn { width: 32px; height: 32px; font-size: 20px; }
    .region-expand-btn { height: 36px; padding: 0 16px; font-size: 14px; }
    .region-tags-row { gap: 6px; }

    .report-meta-row { max-width: 100%; overflow-x: auto; }
    .insight-filters { flex-wrap: wrap; gap: 6px; }
    .topic-card-detail { flex-direction: column; gap: 8px; }
    .topic-overview-grid { gap: 16px; justify-content: flex-start; }

    .report-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .report-stat-card { padding: 14px 10px; }
    .report-stat-value { font-size: 18px; }
    .report-back-title { max-width: 200px; }

    .insight-cards { grid-template-columns: 1fr; max-height: 420px; gap: 10px; }
    .insight-card { padding: 14px 16px; }

    .evolution-grid { grid-template-columns: 1fr; gap: 10px; }

    .smart-topic-hero { padding: 20px 8px 16px; }
    .smart-topic-hero-title { font-size: 20px; }
    .smart-topic-hero-desc { font-size: 12px; margin-bottom: 18px; }
    .smart-topic-search-wrap { max-width: 100%; border-radius: 14px; }
    .smart-topic-input { padding: 13px 0 13px 16px; font-size: 14px; }
    .smart-topic-btn { padding: 8px 16px; font-size: 13px; }

    .topic-card { padding: 14px 16px; }
    .topic-overview { padding: 14px 16px; }
    .topic-overview-grid { gap: 16px; }
    .topic-card-suggest { font-size: 14px; }

    .lifecycle-track { gap: 8px; padding: 10px 14px; font-size: 11px; max-width: 100%; overflow: hidden; }
    .lifecycle-track-label { font-size: 11px; flex-shrink: 0; }
    .lifecycle-track-bar { height: 20px; min-width: 0; }
    .lifecycle-seg { min-width: 0; }
    .lifecycle-seg-label { font-size: 11px; padding: 0 3px; }
    .lifecycle-current { font-size: 11px; flex-shrink: 0; }
    .lifecycle-criteria { font-size: 10px; }

    .modal-content, .modal-card { width: 96%; max-width: 96%; border-radius: 16px; max-height: 90vh; display: flex; flex-direction: column; }
    .modal-header, .modal-head { padding: 18px 18px 12px; flex-shrink: 0; }
    .modal-body { padding: 0 18px 18px; overflow-y: auto; flex: 1; }
    .modal-header h3, .modal-head h3 { font-size: 15px; }

    .explosive-list { max-height: 420px; }
    .explosive-item { padding: 8px 10px; gap: 8px; }
    .explosive-cover { width: 48px; height: 30px; }
    .explosive-title { font-size: 12px; }

    .similar-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }

    .refresh-row { margin-bottom: 14px; }
    .refresh-hint { font-size: 12px; }
    body::before { width: 400px; height: 400px; top: -150px; right: -100px; }
    body::after { width: 350px; height: 350px; bottom: -100px; left: -80px; }
    .bg-orb { width: 300px; height: 300px; }
}

@media (max-width: 480px) {
    .container { padding: 12px; }
    .stats-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 10px; }
    .dash-header-row { flex-direction: column; align-items: stretch; gap: 8px; margin-bottom: 10px; }
    .dash-header-right { align-items: flex-start; padding: 0; }
    .page-section-title { font-size: 19px; margin-bottom: 3px; }
    .dashboard-subtitle { font-size: 11px; margin-bottom: 8px; }
    .stat-card { padding: 16px 12px; min-height: 80px; border-radius: 12px; }
    .stat-value { font-size: 22px; }
    .stat-label { font-size: 13px; }
    .panel { padding: 16px 14px 14px; border-radius: 14px; }
    .chart-box { height: 220px; }
    .video-list { max-height: 360px; }
    .rising-list { max-height: 200px; }
    .rising-item { padding: 8px 10px; gap: 6px; }
    .rising-rank { width: 18px; height: 18px; font-size: 10px; border-radius: 4px; }
    .rising-title { font-size: 11px; min-width: 0; }
    .rank-change { min-width: 36px; font-size: 10px; }
    .rising-gain { font-size: 11px; }
    .rising-rate { display: none; }
    .v-cover { width: 84px; height: 54px; border-radius: 6px; }
    .v-title { font-size: 13px; }
    .v-meta { font-size: 11px; gap: 2px 6px; }
    .v-bvid { font-size: 10px; padding: 1px 5px; }
    .search-input-wrap input { padding: 11px 0 11px 14px; font-size: 14px; }
    .region-tag { padding: 6px 14px; font-size: 12px; }
    .lifecycle-track { gap: 6px; padding: 8px 12px; }
    .lifecycle-track-bar { height: 16px; }
    .lifecycle-seg-label { font-size: 10px; padding: 0 2px; }
    .lifecycle-track-label { font-size: 10px; }
    .lifecycle-current { font-size: 10px; }
    .modal-content, .modal-card { width: 100%; max-width: 100%; border-radius: 16px 16px 0 0; max-height: 92vh; }
    .modal-header, .modal-head { padding: 14px 14px 10px; }
    .modal-body { padding: 0 14px 14px; }

    .report-grid { grid-template-columns: 1fr; gap: 8px; }

    .smart-topic-hero { padding: 14px 4px 10px; }
    .smart-topic-hero-title { font-size: 19px; }
    .smart-topic-btn { padding: 6px 12px; font-size: 12px; gap: 4px; }
    .smart-topic-input { padding: 11px 0 11px 14px; font-size: 13px; }

    .topic-card { padding: 12px 14px; margin-bottom: 10px; }
    .topic-card-suggest { font-size: 13px; }

    .insight-card { padding: 12px 14px; border-radius: 14px; }

    .explosive-item { padding: 8px 10px; gap: 8px; }
    .explosive-rank { font-size: 15px; width: 22px; }
    .explosive-title { font-size: 12px; }

    .evolution-card { padding: 10px 12px; }

    .similar-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
    .similar-card { padding: 8px; }
    .similar-cover { height: 72px; }
    .similar-title { font-size: 12px; }

    body::before { width: 280px; height: 280px; top: -100px; right: -60px; }
    body::after { width: 250px; height: 250px; bottom: -60px; left: -50px; }
    .bg-orb { width: 200px; height: 200px; }
}

.glass-dropdown { position: relative; user-select: none; z-index: 10; }
.glass-dropdown-trigger {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 14px; border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg-sm);
    backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    color: var(--text-primary); font-size: 13px; font-family: inherit; cursor: pointer;
    transition: all 0.3s ease; white-space: nowrap;
}
.glass-dropdown-trigger:hover { background: var(--glass-hover); border-color: var(--accent); }
.glass-dropdown-trigger svg { flex-shrink: 0; color: var(--text-muted); transition: transform 0.3s ease; }
.glass-dropdown.open .glass-dropdown-trigger svg { transform: rotate(180deg); }
.glass-dropdown.open .glass-dropdown-trigger { border-color: var(--accent); background: var(--glass-hover); }

.glass-dropdown-panel {
    position: absolute; top: calc(100% + 6px); left: 0; z-index: 200;
    min-width: 100%; padding: 6px;
    border-radius: 12px;
    background: var(--glass-bg-xl);
    backdrop-filter: blur(var(--glass-blur-lg)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-lg)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    box-shadow: var(--depth-3);
    display: none; flex-direction: column; gap: 2px;
}
.glass-dropdown.open .glass-dropdown-panel { display: flex; }

.glass-dropdown-panel button {
    display: block; width: 100%; text-align: left;
    padding: 8px 14px; border-radius: 8px; border: none;
    background: transparent; color: var(--text-primary);
    font-size: 13px; font-family: inherit; cursor: pointer;
    transition: all 0.2s ease;
}
.glass-dropdown-panel button:hover { background: var(--hover-bg); }
.glass-dropdown-panel button.active { background: var(--tag-bg); color: var(--accent); font-weight: 600; }

.discovery-toolbar {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; margin-bottom: 16px; flex-wrap: wrap;
}
.discovery-filters { display: flex; gap: 12px; flex-wrap: wrap; }
.discovery-count {
    font-size: 12px; font-weight: 600; color: var(--accent);
    padding: 2px 10px; border-radius: 10px;
    background: var(--tag-bg); margin-left: auto;
}
.explosive-list { position: relative; max-height: 560px; overflow-y: auto; }

.explosive-item {
    display: flex; align-items: center; gap: 12px; padding: 10px 14px;
    border-radius: 12px; cursor: pointer;
    border-bottom: 1px solid var(--tag-bg); position: relative;
}
.explosive-rank {
    font-size: 18px; font-weight: 700; color: var(--text-muted); width: 28px; text-align: center;
    font-family: var(--font-heading);
}
.explosive-item:nth-child(1) .explosive-rank { color: #f59e0b; }
.explosive-item:nth-child(2) .explosive-rank { color: #a78bfa; }
.explosive-item:nth-child(3) .explosive-rank { color: #ec4899; }

.explosive-cover { width: 56px; height: 36px; border-radius: 6px; object-fit: cover; flex-shrink: 0; }
.explosive-info { flex: 1; min-width: 0; }
.explosive-title {
    font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    margin-bottom: 4px; color: var(--text-primary);
}
.explosive-meta { display: flex; gap: 8px; font-size: 11px; color: var(--text-muted); }
.explosive-stats { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex-shrink: 0; }
.explosive-views { font-size: 14px; font-weight: 700; color: var(--text-primary); font-family: var(--font-heading); }
.explosive-growth { font-size: 16px; font-weight: 800; font-family: var(--font-heading); }

.explosive-badge {
    font-size: 10px; padding: 3px 10px; border-radius: 10px;
    background: var(--tag-bg); color: var(--accent);
    font-weight: 600; white-space: nowrap;
    border: 1px solid var(--glass-border);
}

.explosive-index-row { display: flex; align-items: center; gap: 6px; margin-top: 5px; }
.explosive-index-label { font-size: 10px; color: var(--text-muted); flex-shrink: 0; }
.explosive-index-val { font-size: 12px; font-weight: 700; color: var(--accent); font-family: var(--font-heading); min-width: 24px; text-align: right; }
.explosive-index-bar { flex: 1; height: 5px; background: var(--tag-bg); border-radius: 3px; overflow: hidden; max-width: 100px; }
.explosive-index-fill { height: 100%; border-radius: 3px; transition: width 0.1s; }
.explosive-prob { font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 8px; font-family: var(--font-heading); flex-shrink: 0; }
.prob-high { background: rgba(16,185,129,0.12); color: #10b981; }
.prob-mid { background: rgba(245,158,11,0.12); color: #f59e0b; }
.prob-low { background: rgba(239,68,68,0.1); color: #ef4444; }
[data-theme="dark"] .prob-high { background: rgba(52,211,153,0.15); color: #34d399; }
[data-theme="dark"] .prob-mid { background: rgba(251,191,36,0.15); color: #fbbf24; }
[data-theme="dark"] .prob-low { background: rgba(248,113,113,0.15); color: #f87171; }

.explosive-sub-row { display: flex; gap: 8px; margin-top: 3px; font-size: 10px; color: var(--text-muted); font-family: var(--font-heading); }
.explosive-sub-row span { cursor: help; }
.growth-no-data { font-size: 11px; color: var(--text-muted); font-weight: 400; }
.explosive-predict { font-size: 10px; color: var(--text-muted); font-family: var(--font-heading); }

.insight-cards {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px; max-height: 500px; overflow-y: auto;
    scrollbar-gutter: stable; /* 预留滚动条空间，防止内容变化时布局抖动 */
}
.insight-card {
    padding: 16px 18px; border-radius: 16px;
    background: var(--glass-bg-sm);
    backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    box-shadow: var(--depth-1);
}
.insight-card-desc { font-size: 13px; color: var(--text-primary); line-height: 1.6; margin-bottom: 10px; display: flex; align-items: baseline; gap: 8px; }
.insight-card-icon { flex-shrink: 0; font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 5px; background: var(--tag-bg); color: var(--accent); }
.insight-card-tags { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; flex-wrap: wrap; }
.insight-tag {
    padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 600;
    background: var(--tag-bg); color: var(--accent);
}
.insight-tag.tag-region { background: rgba(102,126,234,0.12); color: #667eea; }
.insight-tag.tag-duration { background: rgba(16,185,129,0.1); color: #10b981; }
.insight-tag.tag-time { background: rgba(245,158,11,0.1); color: #d97706; }
.insight-tag.tag-danmaku { background: rgba(59,130,246,0.1); color: #3b82f6; }
.insight-tag.tag-like { background: rgba(239,68,68,0.1); color: #ef4444; }
.insight-tag.tag-fav { background: rgba(236,72,153,0.1); color: #ec4899; }
.insight-tag.tag-coin { background: rgba(245,158,11,0.12); color: #f59e0b; }
.insight-tag.tag-share { background: rgba(139,92,246,0.1); color: #8b5cf6; }
.insight-tag.tag-keyword { background: rgba(107,114,128,0.08); color: #6b7280; }
[data-theme="dark"] .insight-tag.tag-region { background: rgba(129,140,248,0.15); color: #a5b4fc; }
[data-theme="dark"] .insight-tag.tag-duration { background: rgba(52,211,153,0.12); color: #34d399; }
[data-theme="dark"] .insight-tag.tag-time { background: rgba(251,191,36,0.12); color: #fbbf24; }
[data-theme="dark"] .insight-tag.tag-danmaku { background: rgba(96,165,250,0.12); color: #93c5fd; }
[data-theme="dark"] .insight-tag.tag-like { background: rgba(248,113,113,0.12); color: #fca5a5; }
[data-theme="dark"] .insight-tag.tag-fav { background: rgba(244,114,182,0.12); color: #f9a8d4; }
[data-theme="dark"] .insight-tag.tag-coin { background: rgba(251,191,36,0.15); color: #fcd34d; }
[data-theme="dark"] .insight-tag.tag-share { background: rgba(167,139,250,0.12); color: #c4b5fd; }
[data-theme="dark"] .insight-tag.tag-keyword { background: rgba(156,163,175,0.1); color: #9ca3af; }
.insight-tag-plus { font-size: 12px; color: var(--text-muted); }
.insight-card-result { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.insight-card-arrow { color: var(--text-muted); font-size: 14px; }
.insight-card-consequent {
    padding: 3px 10px; border-radius: 6px; font-size: 12px; font-weight: 700;
    background: rgba(16,185,129,0.08); color: #10b981;
    border: 1px solid rgba(16,185,129,0.15);
}
[data-theme="dark"] .insight-card-consequent { color: #34d399; border-color: rgba(52,211,153,0.2); }

.insight-card-conf { font-size: 18px; font-weight: 800; font-family: var(--font-heading); }
.insight-card-conf.high { color: #ef4444; }
.insight-card-conf.mid { color: #f59e0b; }
.insight-card-conf.low { color: #10b981; }
[data-theme="dark"] .insight-card-conf.high { color: #f87171; }
[data-theme="dark"] .insight-card-conf.mid { color: #fbbf24; }
[data-theme="dark"] .insight-card-conf.low { color: #34d399; }

.insight-card-meta { display: flex; gap: 12px; font-size: 11px; color: var(--text-muted); align-items: center; }
.insight-card-expand-hint { font-size: 10px; color: var(--accent); cursor: pointer; margin-left: auto; opacity: 0.7; }
.insight-card-detail { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--glass-border); overflow: hidden; }
.insight-card-detail p { font-size: 12px; color: var(--text-muted); line-height: 1.7; margin: 0 0 6px; }
.insight-card-detail p:last-child { margin-bottom: 0; }
.insight-card { cursor: pointer; }

.insight-filters { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.insight-filter-chip {
    padding: 5px 12px; border-radius: 14px; border: 1px solid var(--glass-border);
    background: var(--glass-bg-sm); font-size: 11px; font-family: var(--font-body);
    color: var(--text-muted); cursor: pointer; transition: all 0.2s;
}
.insight-filter-chip:hover { border-color: var(--accent); color: var(--accent); }
.insight-filter-chip.active { background: rgba(102,126,234,0.1); border-color: var(--accent); color: var(--accent); font-weight: 600; }


.insight-detail-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.insight-detail-stat { text-align: center; padding: 14px 8px; border-radius: 12px; background: var(--glass-bg-sm); border: 1px solid var(--glass-border); }
.insight-detail-val { display: block; font-size: 22px; font-weight: 800; color: var(--accent); font-family: var(--font-heading); }
.insight-detail-label { display: block; font-size: 11px; color: var(--text-muted); margin-top: 4px; }

@media (max-width: 600px) {
    .insight-detail-stats { grid-template-columns: repeat(2, 1fr); }
    .stats-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
}

.video-report { animation: fadeSlideIn 0.35s var(--ease-out); }

.report-verify-note {
    font-size: 11px; color: var(--text-muted); margin: 2px 0 8px 0;
    letter-spacing: 0.02em;
}

.report-verify-badge {
    margin-left: auto;
    font-size: 10px; font-weight: 400; color: var(--text-muted);
    background: var(--glass-bg-sm);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 1px 7px;
    letter-spacing: 0.02em;
    white-space: nowrap;
    flex-shrink: 0;
}

.report-back-row { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.report-back-btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px;
    border-radius: 10px; border: 1px solid var(--glass-border); cursor: pointer;
    background: var(--glass-bg-sm); color: var(--text-primary); font-size: 13px; font-weight: 600;
    font-family: inherit; transition: all 0.2s;
    backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
}
.report-back-btn:hover { background: var(--glass-bg); border-color: var(--accent); color: var(--accent); }
.report-back-btn svg { flex-shrink: 0; }
.report-back-title { font-size: 13px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 400px; }

.report-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.report-stat-card {
    padding: 18px 14px; border-radius: 14px; text-align: center;
    background: var(--glass-bg-sm); backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
}
.report-stat-icon { font-size: 22px; margin-bottom: 4px; }
.report-stat-value { font-size: 22px; font-weight: 800; color: var(--text-primary); font-family: var(--font-heading); }
.report-stat-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.report-meta-row {
    display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
    padding: 12px 16px; margin-top: 14px; border-radius: 12px;
    background: var(--glass-bg-sm); border: 1px solid var(--glass-border);
    font-size: 12px; color: var(--text-primary);
}
.report-meta-item { font-size: 12px; color: var(--text-primary); }
.report-bvid {
    font-size: 10px; padding: 3px 8px; border-radius: 6px; margin-left: auto;
    background: var(--tag-bg); color: var(--text-muted); font-family: var(--font-heading);
}

.similar-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.similar-card {
    padding: 10px; border-radius: 12px; cursor: pointer;
    background: var(--glass-bg-sm); border: 1px solid var(--glass-border);
}
.similar-card:hover { background: var(--glass-bg); border-color: var(--accent); }
.similar-cover { width: 100%; height: 90px; border-radius: 8px; object-fit: cover; margin-bottom: 8px; }
.similar-title { font-size: 12px; font-weight: 600; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.similar-meta { font-size: 10px; color: var(--text-muted); margin-top: 4px; }

.modal-jump-btn {
    display: inline-flex; align-items: center; gap: 6px; margin-top: 12px;
    padding: 8px 16px; border-radius: 8px; border: 1px solid var(--accent);
    background: rgba(102,126,234,0.08); color: var(--accent);
    font-size: 12px; font-weight: 600; cursor: pointer; font-family: inherit;
    transition: all 0.2s;
}
.modal-jump-btn:hover { background: rgba(102,126,234,0.16); }

.smart-topic-hero {
    text-align: center;
    padding: 36px 20px 28px;
    max-width: 600px;
    margin: 0 auto 8px;
}
.smart-topic-hero-title {
    font-size: 24px; font-weight: 800; color: var(--text-primary);
    margin: 0 0 8px; letter-spacing: -0.01em;
}
.smart-topic-hero-desc {
    font-size: 13px; color: var(--text-muted); margin: 0 0 24px; line-height: 1.5;
}
.smart-topic-search-wrap {
    display: flex; align-items: center; gap: 0;
    max-width: 520px; margin: 0 auto;
    border-radius: 16px;
    border: 1.5px solid var(--glass-border);
    background: var(--glass-bg-md);
    backdrop-filter: blur(var(--glass-blur-md)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-md)) saturate(var(--glass-saturate));
    box-shadow: var(--depth-2);
    transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
    overflow: hidden;
}
.smart-topic-search-wrap:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--depth-3);
}
.smart-topic-search-wrap:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(102,126,234,0.15), var(--depth-3);
    background: var(--glass-bg-lg);
}
.smart-topic-input {
    flex: 1; min-width: 0;
    padding: 15px 0 15px 22px;
    background: transparent !important; border: none; outline: none;
    font-size: 15px; font-family: var(--font-body);
    color: var(--text-primary);
    caret-color: var(--accent);
}
.smart-topic-input:-webkit-autofill,
.smart-topic-input:-webkit-autofill:hover,
.smart-topic-input:-webkit-autofill:focus,
.smart-topic-input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 60px transparent inset !important;
    -webkit-text-fill-color: var(--text-primary) !important;
    transition: background-color 9999s ease-in-out 0s;
}
.smart-topic-input::placeholder {
    color: var(--text-muted); opacity: 0.7;
}
.smart-topic-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 10px 22px; margin: 5px 7px 5px 0;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: var(--glass-bg-sm);
    color: var(--text-secondary);
    font-size: 14px; font-weight: 600; font-family: var(--font-body);
    cursor: pointer; white-space: nowrap;
    backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    transition: all 0.25s;
}
.smart-topic-btn:hover {
    background: var(--glass-hover);
    color: var(--accent);
    border-color: var(--accent);
}
[data-theme="dark"] .smart-topic-btn {
    background: var(--glass-bg-sm);
    color: #9ca3af;
}
[data-theme="dark"] .smart-topic-btn:hover {
    color: #a5b4fc;
    border-color: var(--accent);
}
.smart-topic-btn:active { transform: scale(0.96); }

.smart-topic-result { max-width: 780px; margin: 0 auto; }

.smart-topic-summary { margin-bottom: 8px; }

.smart-topic-summary-card {
    padding: 22px 24px; border-radius: 16px; margin-top: 8px;
    background: linear-gradient(135deg, rgba(102,126,234,0.08), rgba(139,92,246,0.05));
    border: 1px solid rgba(102,126,234,0.18);
    line-height: 1.7;
}
.smart-topic-summary-title {
    font-size: 15px; font-weight: 700; color: var(--text-primary);
    margin-bottom: 12px; display: flex; align-items: center; gap: 6px;
}
.smart-topic-summary-title small { font-size: 11px; color: var(--text-muted); font-weight: 400; }
.smart-topic-summary-text { font-size: 13px; color: var(--text-primary); margin: 0 0 10px; line-height: 1.75; }
.smart-topic-summary-list { margin: 0; padding: 0 0 0 18px; font-size: 13px; color: var(--text-muted); line-height: 1.85; }

.topic-overview {
    padding: 18px 22px; border-radius: 14px; margin-bottom: 4px;
    background: var(--glass-bg-sm); border: 1px solid var(--glass-border);
}
.topic-overview p { font-size: 14px; color: var(--text-primary); margin-bottom: 12px; }
.topic-overview-grid { display: flex; gap: 28px; flex-wrap: wrap; margin-bottom: 12px; }
.topic-overview-item { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.topic-overview-val { font-size: 22px; font-weight: 800; color: var(--accent); font-family: var(--font-heading); }
.topic-overview-label { font-size: 11px; color: var(--text-muted); }
.topic-tag-row { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }

.topic-card {
    padding: 18px 22px; border-radius: 14px; margin-bottom: 12px;
    background: var(--glass-bg-sm); backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
}
.topic-card-header { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; }
.topic-rec-index { font-size: 16px; font-weight: 800; font-family: var(--font-heading); }
.topic-card-body { display: flex; flex-direction: column; gap: 7px; }
.topic-card-suggest { font-size: 15px; font-weight: 700; color: var(--text-primary); line-height: 1.4; }
.topic-card-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.topic-card-detail { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--text-muted); }
.topic-card-ref { font-size: 12px; color: var(--text-muted); padding: 7px 10px; border-radius: 8px; background: var(--tag-bg); line-height: 1.4; }
.content-trend-summary-card {
    padding: 16px 20px; border-radius: 16px;
    background: linear-gradient(135deg, rgba(102,126,234,0.06), rgba(139,92,246,0.04));
    border: 1px solid rgba(102,126,234,0.15);
}
.content-trend-summary-title { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.content-trend-summary-title small { font-weight: 400; font-size: 11px; color: var(--text-muted); }
.content-trend-summary-text { font-size: 13px; color: var(--text-primary); line-height: 1.6; margin-bottom: 6px; }
.content-trend-summary-suggest { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.content-trend-summary-tags { font-size: 12px; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.content-trend-summary-data-row { display: flex; gap: 16px; flex-wrap: wrap; font-size: 11px; color: var(--text-muted); margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--glass-border); }
.content-trend-summary-data-row strong { color: var(--accent); }

.lifecycle-track {
    display: flex; align-items: center; gap: 10px;
    padding: 6px 14px; margin: 6px 0 0;
    background: rgba(102,126,234,0.05);
    backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    border: 1px solid rgba(102,126,234,0.1);
    border-radius: 10px;
    font-size: 12px;
}
.lifecycle-track-label {
    color: var(--text-muted); font-weight: 600; flex-shrink: 0; font-size: 11px;
    font-family: var(--font-heading);
}
.lifecycle-track-bar {
    flex: 1; display: flex; height: 22px; border-radius: 8px;
    overflow: hidden;
    background: rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.04);
}
.lifecycle-seg {
    display: flex; align-items: center; justify-content: center;
    transition: background 0.25s, box-shadow 0.25s;
    cursor: default; min-width: 0; overflow: hidden;
    position: relative;
}
.lifecycle-seg:first-child { border-radius: 7px 0 0 7px; }
.lifecycle-seg:last-child { border-radius: 0 7px 7px 0; }
.lifecycle-seg:last-child { border-right: none !important; }
.lifecycle-seg:only-child { border-radius: 7px; border-right: none !important; }
.lifecycle-seg:hover {
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08);
}
.lifecycle-seg-label {
    font-size: 10px; font-weight: 700;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    padding: 0 5px; line-height: 1;
    font-family: var(--font-heading);
}
.lifecycle-current {
    font-size: 11px; color: var(--text-muted); flex-shrink: 0;
    white-space: nowrap; font-family: var(--font-heading);
}
.lifecycle-criteria {
    margin: 4px 0 0; font-size: 10px; color: var(--text-muted);
    opacity: 0.6; line-height: 1.5;
}
[data-theme="dark"] .lifecycle-track {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .lifecycle-track-bar {
    background: rgba(255,255,255,0.03);
    border-color: rgba(255,255,255,0.06);
}
[data-theme="dark"] .lifecycle-seg-label { color: #f0f0f0 !important; }
[data-theme="dark"] .lifecycle-current { color: var(--text-muted); }

.v-trend {
    color: var(--accent); font-weight: 600; font-size: 12px;
    font-family: var(--font-heading);
}

.panel-evolution { overflow: visible; grid-column: 1 / -1; }
.evolution-criteria {
    font-size: 11px; color: var(--text-muted); line-height: 1.5;
    padding: 8px 12px; background: var(--tag-bg); border-radius: 6px; margin-bottom: 12px;
}
.evolution-criteria-title { font-weight: 600; color: var(--accent); }
.evolution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-top: 12px;
}
.evolution-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 14px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.evolution-card:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(0,0,0,0.08); border-color: var(--accent); }
.evolution-card:active { transform: translateY(0); }
.evolution-card-header {
    display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
}
.evolution-dot {
    width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.evolution-label {
    font-size: 13px; font-weight: 600; color: var(--text-primary);
}
.evolution-count {
    font-size: 11px; color: var(--text-muted); margin-left: auto;
}
.evolution-videos { font-size: 11px; color: var(--text-secondary); line-height: 1.5; }
.evolution-videos a {
    color: var(--accent); text-decoration: none;
    display: inline-block; max-width: 160px; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom;
}
.evolution-videos a:hover { text-decoration: underline; }
.evolution-trend {
    font-size: 11px; margin-top: 6px; padding-top: 6px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
}
.evolution-trend.up { color: #22c55e; }
.evolution-trend.down { color: #ef4444; }
.evolution-card-hint {
    font-size: 10px; color: var(--text-muted); margin-top: 6px; text-align: right; opacity: 0;
    transition: opacity 0.2s;
}
.evolution-card:hover .evolution-card-hint { opacity: 0.7; }

.evolution-detail-explain {
    font-size: 13px; line-height: 1.7; color: var(--text-primary);
    padding: 12px 16px; background: var(--tag-bg); border-radius: 8px; margin-bottom: 16px;
}
.evolution-detail-videos {
    list-style: none; padding: 0; margin: 0;
}
.evolution-detail-videos li {
    display: flex; justify-content: space-between; align-items: center;
    padding: 7px 0; border-bottom: 1px solid var(--glass-border);
    font-size: 12px;
}
.evolution-detail-videos li:last-child { border-bottom: none; }
.evolution-detail-vtitle {
    color: var(--text-primary); flex: 1; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap; max-width: 400px;
}
.evolution-detail-vmeta { color: var(--text-muted); flex-shrink: 0; margin-left: 12px; font-size: 11px; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
    .bg-orb, .bg-orb-wrap { display: none; }
    body::before, body::after { display: none; }
    .chart-skeleton { animation: none; background: var(--tag-bg); }
}

.auth-switch { text-align: center; margin-top: 16px; font-size: 13px; color: var(--text-secondary); }
.auth-switch a { color: var(--primary); text-decoration: none; margin-left: 4px; }
.auth-switch a:hover { text-decoration: underline; }
#auth-hint a { color: var(--primary); text-decoration: underline; }

.dash-header-row {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 16px;
}
.dash-header-left {
    flex: 1;
    min-width: 0;
}
.dash-header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
    flex-shrink: 0;
    padding: 4px 0;  /* 对齐标题顶部 */
    padding-top: 4px;
}
.page-section-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 6px;
    letter-spacing: -0.02em;
}
.dash-user-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

.dash-user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    color: rgba(255,255,255,0.9);
    flex-shrink: 0;
}
.dash-user-avatar svg { opacity: 0.9; }
.dash-user-row a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.dash-user-row a:hover { text-decoration: underline; }

.user-info-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}
.user-info-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    flex-shrink: 0;
}
.user-info-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}
.user-info-row hr, .user-panel hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 14px 0;
}