:root {
  /* 暗黑主题（默认） */
  --bg: #05060f;
  --bg-2: #0a0d1f;
  --panel: rgba(14, 18, 40, 0.62);
  --panel-2: rgba(8, 10, 26, 0.55);
  --chip: rgba(10, 13, 31, 0.6);
  --sunken: rgba(0, 0, 0, 0.35);
  --card-1: rgba(20, 26, 60, 0.75);
  --card-2: rgba(10, 12, 30, 0.75);
  --tab-on: rgba(10, 13, 31, 0.9);
  --dialog-1: rgba(20, 26, 60, 0.97);
  --dialog-2: rgba(8, 10, 26, 0.97);
  --backdrop: rgba(2, 3, 10, 0.72);
  --skel-1: rgba(20, 26, 60, 0.6);
  --skel-2: rgba(60, 70, 140, 0.35);
  --line: rgba(120, 140, 255, 0.16);
  --text: #e6e9ff;
  --strong: #ffffff;
  --desc: #c3c8ee;
  --muted: #8a90b8;
  --cyan: #00f0ff;
  --cyan-2: #7af6ff;
  --violet: #b026ff;
  --pink: #ff2bd6;
  --lime: #4dff9f;
  --gold: #ffd166;
  --silver: #cfd8ff;
  --bronze: #ff9a5a;
  --on-accent: #05060f;
  --glow: 1;
  --halo-1: rgba(176, 38, 255, 0.22);
  --halo-2: rgba(0, 240, 255, 0.14);
  --radius: 16px;
  --font: 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', sans-serif;
  --display: 'Orbitron', var(--font);
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 80% -10%, var(--halo-1), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, var(--halo-2), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

#bg { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -2; }
.scanlines {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,0.025) 0 1px, transparent 1px 3px);
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

/* ---------- Hero ---------- */
.hero { position: relative; padding: 0 16px; }
.topbar {
  max-width: 1280px; margin: 0 auto; padding: 18px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; letter-spacing: 0.12em; font-size: 15px; }
.brand b { color: var(--cyan); text-shadow: 0 0 12px rgba(0, 240, 255, 0.8); font-weight: 900; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 7px; position: relative;
  background: conic-gradient(from 0deg, var(--cyan), var(--violet), var(--pink), var(--cyan));
  animation: spin 6s linear infinite;
  box-shadow: 0 0 18px rgba(176, 38, 255, 0.7);
}
.brand-mark::after { content: ''; position: absolute; inset: 4px; border-radius: 4px; background: var(--bg); }
.status {
  display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; color: var(--muted);
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--chip);
  backdrop-filter: blur(8px);
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0 rgba(77, 255, 159, 0.7); animation: pulse 1.8s infinite; }

.hero-body { max-width: 1280px; margin: 0 auto; padding: 36px 0 24px; text-align: center; }
.eyebrow { font-family: var(--mono); color: var(--cyan); letter-spacing: 0.25em; font-size: 12px; margin: 0 0 18px; opacity: 0.85; }
.glitch {
  position: relative; display: inline-block; margin: 0;
  font-family: var(--display); font-weight: 900;
  font-size: clamp(42px, 9vw, 104px); line-height: 1.05; letter-spacing: 0.04em;
  background: linear-gradient(92deg, var(--strong) 10%, var(--cyan) 45%, var(--violet) 75%, var(--pink));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 24px rgba(0, 240, 255, 0.35));
}
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; inset: 0;
  background: inherit; -webkit-background-clip: text; background-clip: text; color: transparent;
}
.glitch::before { animation: glitch 3.2s infinite steps(1); transform: translate(2px, 0); opacity: 0.7; }
.glitch::after { animation: glitch 2.7s infinite reverse steps(1); transform: translate(-2px, 0); opacity: 0.7; }
.subtitle { margin: 18px auto 0; color: var(--muted); font-size: clamp(15px, 2.2vw, 19px); min-height: 1.6em; max-width: 760px; }
.caret { color: var(--cyan); animation: blink 1s steps(1) infinite; margin-left: 2px; }

.stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px;
  max-width: 920px; margin: 40px auto 0;
}
.stat {
  position: relative; padding: 18px 12px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line); backdrop-filter: blur(12px);
  overflow: hidden;
}
.stat::before {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
  animation: sweep 4s linear infinite;
}
.stat-num { display: block; font-family: var(--display); font-weight: 700; font-size: clamp(20px, 3.4vw, 32px); color: var(--strong); text-shadow: 0 0 16px rgba(0, 240, 255, 0.5); }
.stat-label { font-size: 12px; color: var(--muted); letter-spacing: 0.1em; }

.ticker {
  max-width: 1280px; margin: 0 auto; display: flex; align-items: center; gap: 12px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 10px 0;
}
.ticker-tag { flex: none; font-family: var(--mono); font-size: 12px; color: var(--on-accent); background: var(--lime); padding: 2px 8px; border-radius: 4px; font-weight: 600; box-shadow: 0 0 14px rgba(77, 255, 159, 0.6); }
.ticker-track { overflow: hidden; flex: 1; mask-image: linear-gradient(90deg, transparent, black 6%, black 94%, transparent); }
.ticker-inner { display: inline-flex; gap: 36px; white-space: nowrap; animation: marquee 60s linear infinite; font-family: var(--mono); font-size: 13px; }
.ticker-inner:hover { animation-play-state: paused; }
.ticker-inner a:hover { color: var(--cyan); }
.ticker-inner .up { color: var(--lime); }

/* ---------- Main ---------- */
.brightest { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 26px; }
@media (min-width: 1080px) { .brightest { grid-template-columns: repeat(5, 1fr); } }
.brightest:empty { display: none; }
.bright {
  position: relative; display: grid; gap: 4px; min-width: 0; padding: 14px 16px; border-radius: 14px; overflow: hidden;
  background: linear-gradient(150deg, rgba(255, 209, 102, 0.08), var(--chip) 60%);
  border: 1px solid rgba(255, 209, 102, 0.25); transition: transform 0.2s, box-shadow 0.3s, border-color 0.3s;
}
.bright:hover { transform: translateY(-3px); border-color: var(--gold); box-shadow: 0 10px 30px -10px rgba(255, 209, 102, 0.5); }
.bright .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--gold); }
.bright .n { font-family: var(--mono); font-size: 14px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bright .g { font-family: var(--display); font-weight: 900; font-size: 24px; color: var(--lime); text-shadow: 0 0 14px rgba(77, 255, 159, 0.55); }
.bright .g small { font-family: var(--mono); font-size: 12px; font-weight: 400; color: var(--muted); text-shadow: none; }
.note { margin: -8px 0 18px; font-family: var(--mono); font-size: 12px; color: var(--gold); white-space: pre-line; }
main { max-width: 1280px; margin: 0 auto; padding: 32px 16px 40px; }
.tabs { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: none; cursor: pointer; position: relative;
  padding: 12px 18px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--chip); color: var(--muted);
  font-family: var(--display); font-weight: 700; font-size: 13px; letter-spacing: 0.08em; transition: all 0.25s;
}
.tab small { display: block; font-family: var(--mono); font-size: 10px; opacity: 0.7; letter-spacing: 0.04em; }
.tab:hover { color: var(--text); border-color: rgba(0, 240, 255, 0.4); }
.tab[aria-selected='true'] {
  color: var(--strong); border-color: transparent;
  background: linear-gradient(var(--tab-on), var(--tab-on)) padding-box,
              linear-gradient(120deg, var(--cyan), var(--violet), var(--pink)) border-box;
  border: 1px solid transparent;
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.25), inset 0 0 18px rgba(176, 38, 255, 0.2);
}

.panel {
  margin-top: 18px; padding: 24px; border-radius: 22px;
  background: var(--panel-2); border: 1px solid var(--line); backdrop-filter: blur(14px);
}
.panel-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 22px; }
.panel-head h2 { margin: 0; font-family: var(--display); font-weight: 700; font-size: 24px; letter-spacing: 0.06em; }
.panel-head p { margin: 4px 0 0; font-size: 14px; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.seg { display: inline-flex; flex-wrap: wrap; padding: 4px; border-radius: 12px; background: var(--sunken); border: 1px solid var(--line); }
.seg button {
  cursor: pointer; border: 0; background: transparent; color: var(--muted);
  padding: 8px 12px; border-radius: 9px; font: 500 13px var(--font); transition: all 0.2s;
}
.seg button[aria-checked='true'] { color: var(--on-accent); background: linear-gradient(120deg, var(--cyan), var(--cyan-2)); box-shadow: 0 0 16px rgba(0, 240, 255, 0.5); font-weight: 700; }
.field input, .field select {
  height: 40px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--sunken); color: var(--text); font: 14px var(--font); outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
.field input { width: 220px; }
.field input:focus, .field select:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15); }
.field select option { background: var(--bg-2); }

/* ---------- Cards ---------- */
.grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }
.card {
  --mx: 50%; --my: 50%; --accent: var(--cyan);
  position: relative; display: flex; flex-direction: column; gap: 10px; min-width: 0;
  padding: 18px; border-radius: var(--radius);
  background: linear-gradient(160deg, var(--card-1), var(--card-2));
  border: 1px solid var(--line);
  transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 0.2s ease-out, border-color 0.3s, box-shadow 0.3s, opacity 0.6s, translate 0.6s;
  opacity: 0; translate: 0 18px;
}
.card.in { opacity: 1; translate: 0 0; }
.card:hover { border-color: color-mix(in srgb, var(--accent) 60%, transparent); box-shadow: 0 10px 40px -10px color-mix(in srgb, var(--accent) 50%, transparent); }
.card-glow {
  position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity 0.3s;
  background: radial-gradient(260px circle at var(--mx) var(--my), color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%);
}
.card:hover .card-glow { opacity: 1; }
.card.top1 { --accent: var(--gold); border-color: rgba(255, 209, 102, 0.45); }
.card.top2 { --accent: var(--silver); border-color: rgba(207, 216, 255, 0.4); }
.card.top3 { --accent: var(--bronze); border-color: rgba(255, 154, 90, 0.4); }
.card.top1::before {
  content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: conic-gradient(from var(--angle, 0deg), transparent 0 70%, var(--gold), transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: orbit 4s linear infinite;
}

.card-top { display: flex; align-items: center; gap: 12px; min-width: 0; }
.rank {
  flex: none; width: 42px; text-align: center; font-family: var(--display); font-weight: 900; font-size: 22px;
  color: var(--accent); text-shadow: 0 0 14px color-mix(in srgb, var(--accent) 70%, transparent);
}
.avatar { flex: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-2); }
.title { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.repo { font-weight: 700; font-size: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.repo:hover { color: var(--cyan); text-shadow: 0 0 10px rgba(0, 240, 255, 0.6); }
.owner { font-family: var(--mono); font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { flex: none; font-family: var(--mono); font-size: 12px; font-weight: 600; padding: 3px 8px; border-radius: 6px; white-space: nowrap; }
.badge.up { color: var(--lime); background: rgba(77, 255, 159, 0.1); border: 1px solid rgba(77, 255, 159, 0.35); }
.badge.new { color: var(--pink); background: rgba(255, 43, 214, 0.1); border: 1px solid rgba(255, 43, 214, 0.35); }
.badge:empty { display: none; }
.badge.flag { color: var(--gold); background: rgba(255, 209, 102, 0.1); border: 1px solid rgba(255, 209, 102, 0.4); cursor: help; }
.d-flag { margin: -6px 0 10px; font-family: var(--mono); font-size: 12px; color: var(--gold); }
.d-flag:empty { display: none; }
.desc { margin: 0; color: var(--desc); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.8em; }
.topics { display: flex; flex-wrap: wrap; gap: 6px; }
.topics span { font-family: var(--mono); font-size: 11px; color: var(--cyan); background: rgba(0, 240, 255, 0.07); border: 1px solid rgba(0, 240, 255, 0.2); padding: 1px 8px; border-radius: 999px; }
.topics:empty { display: none; }
.card-bottom { margin-top: auto; display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; }
.metrics { display: flex; flex-wrap: wrap; gap: 14px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.metrics b { color: var(--text); font-weight: 600; }
.metrics .stars b { color: var(--gold); }
.m.lang i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; background: var(--lang, #888); box-shadow: 0 0 8px var(--lang, #888); }
.m.lang:has(b:empty) { display: none; }
.spark { width: 110px; height: 30px; flex: none; overflow: visible; }
.spark .line { fill: none; stroke: var(--accent); stroke-width: 1.8; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 3px var(--accent)); }
.spark .area { fill: color-mix(in srgb, var(--accent) 16%, transparent); }
.empty { text-align: center; color: var(--muted); padding: 60px 0; font-family: var(--mono); }
.pager { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px; margin: 28px 0 8px; }
.pager:empty { display: none; }
.pager button {
  min-width: 38px; height: 38px; padding: 0 10px; cursor: pointer; border-radius: 10px; border: 1px solid var(--line);
  background: var(--sunken); color: var(--muted); font: 600 14px var(--mono); transition: all 0.2s;
}
.pager button:hover:not(:disabled) { color: var(--text); border-color: var(--cyan); }
.pager button[aria-current='page'] { color: var(--on-accent); background: linear-gradient(120deg, var(--cyan), var(--cyan-2)); border-color: transparent; box-shadow: 0 0 14px rgba(0, 240, 255, 0.45); }
.pager button:disabled { opacity: 0.35; cursor: default; }
.pager .gap { color: var(--muted); padding: 0 2px; }
.pager-info { width: 100%; text-align: center; font-size: 12px; color: var(--muted); margin-top: 4px; }

.skeleton { min-height: 190px; background: linear-gradient(100deg, var(--skel-1) 30%, var(--skel-2) 50%, var(--skel-1) 70%); background-size: 300% 100%; animation: shimmer 1.4s infinite; opacity: 1; translate: 0 0; }

.footer { text-align: center; padding: 30px 16px 50px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); }
.footer p { margin: 6px 0; }

/* ---------- Animations ---------- */
@property --angle { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
@keyframes orbit { to { --angle: 360deg; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(77, 255, 159, 0); } 100% { box-shadow: 0 0 0 0 rgba(77, 255, 159, 0); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes sweep { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
@keyframes shimmer { to { background-position: -150% 0; } }
@keyframes glitch {
  0%, 86%, 100% { clip-path: inset(0 0 100% 0); }
  87% { clip-path: inset(10% 0 60% 0); transform: translate(-4px, 1px); }
  90% { clip-path: inset(55% 0 20% 0); transform: translate(4px, -1px); }
  93% { clip-path: inset(30% 0 45% 0); transform: translate(-2px, 0); }
  96% { clip-path: inset(75% 0 5% 0); transform: translate(3px, 1px); }
}

/* ---------- Detail dialog ---------- */
.card { cursor: pointer; }
.detail {
  width: min(680px, calc(100% - 32px)); max-height: calc(100% - 48px); padding: 26px; border-radius: 20px;
  color: var(--text); background: linear-gradient(160deg, var(--dialog-1), var(--dialog-2));
  border: 1px solid rgba(0, 240, 255, 0.35); box-shadow: 0 0 60px -10px rgba(0, 240, 255, 0.45), 0 0 120px -30px rgba(176, 38, 255, 0.6);
}
.detail[open] { animation: pop 0.28s cubic-bezier(.2, .9, .3, 1.2); }
.detail::backdrop { background: var(--backdrop); backdrop-filter: blur(6px); }
.d-close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 10px; cursor: pointer; border: 1px solid var(--line); background: var(--sunken); color: var(--muted); font-size: 14px; }
.d-close:hover { color: var(--cyan); border-color: var(--cyan); }
.d-head { display: flex; align-items: center; gap: 14px; padding-right: 40px; }
.d-avatar { border-radius: 14px; border: 1px solid var(--line); background: var(--bg-2); }
.d-title { min-width: 0; }
.d-title h3 { margin: 0; font-size: 22px; overflow-wrap: anywhere; }
.d-owner { color: var(--muted); font-size: 13px; }
.d-desc { color: var(--desc); margin: 16px 0; }
.d-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; }
.d-stats div { padding: 10px 12px; border-radius: 12px; background: var(--sunken); border: 1px solid var(--line); }
.d-stats b { display: block; font-family: var(--display); font-weight: 700; font-size: 18px; }
.d-stats span { font-size: 12px; color: var(--muted); }
.d-stats .pos b { color: var(--lime); text-shadow: 0 0 10px rgba(77, 255, 159, 0.5); }
.d-chart { margin: 18px 0 14px; padding: 14px; border-radius: 14px; background: var(--sunken); border: 1px solid var(--line); }
.d-chart figcaption { font-size: 11px; letter-spacing: 0.15em; color: var(--cyan); margin-bottom: 8px; }
.d-chart svg { width: 100%; height: 160px; display: block; overflow: visible; }
.d-chart .grid-l { stroke: rgba(120, 140, 255, 0.12); stroke-width: 1; vector-effect: non-scaling-stroke; }
.d-chart .line { fill: none; stroke: url(#d-grad); stroke-width: 2.5; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.7)); }
.d-chart .area { fill: url(#d-fill); }
.d-chart .g0 { stop-color: var(--cyan); } .d-chart .g1 { stop-color: var(--violet); }
.d-chart .f0 { stop-color: color-mix(in srgb, var(--cyan) 28%, transparent); } .d-chart .f1 { stop-color: transparent; }
.d-chart .lbl { fill: var(--muted); font: 11px var(--mono); }
.d-axis { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: 6px; }
.d-empty { color: var(--muted); font-family: var(--mono); font-size: 12px; text-align: center; padding: 50px 0; }
.d-link {
  display: inline-block; margin-top: 18px; padding: 10px 18px; border-radius: 10px; font-weight: 700; color: var(--on-accent);
  background: linear-gradient(120deg, var(--cyan), var(--violet)); box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}
.d-link:hover { filter: brightness(1.15); }
@keyframes pop { from { opacity: 0; transform: scale(0.94) translateY(10px); } }

@media (max-width: 760px) {
  .brightest { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; margin-inline: -16px; padding-inline: 16px; }
  .brightest::-webkit-scrollbar { display: none; }
  .bright { flex: 0 0 72%; scroll-snap-align: start; }
  .panel-head h2 { font-size: 19px; }
  .detail { padding: 20px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-body { padding-top: 32px; }
  .panel { padding: 16px; }
  .grid { grid-template-columns: 1fr; }
  .controls, .field, .field input, .field select { width: 100%; }
  .seg { width: 100%; }
  .seg { flex-wrap: wrap; }
  .seg button { flex: 1 1 45%; padding: 8px 4px; }
  .status { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .card { opacity: 1; translate: 0 0; }
}

/* ---------- Nav ---------- */
.topbar .nav { display: flex; gap: 8px; margin-left: auto; }
.nav-link {
  font-family: var(--mono); font-size: 12px; color: var(--muted); padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--chip); transition: color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.nav-link:hover { color: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 14px rgba(0, 240, 255, 0.3); }

/* ---------- Daily digest ---------- */
.hero-sm { padding: 30px 0 26px; }
.hero-sm .glitch { font-size: clamp(36px, 7vw, 72px); }
.dates { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 10px; scrollbar-width: none; }
.dates::-webkit-scrollbar { display: none; }
.date-chip {
  flex: none; font-family: var(--mono); font-size: 13px; padding: 8px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--chip); color: var(--muted); transition: all 0.2s;
}
.date-chip:hover { color: var(--text); border-color: rgba(0, 240, 255, 0.4); }
.date-chip[aria-selected='true'] { color: var(--on-accent); background: linear-gradient(120deg, var(--cyan), var(--cyan-2)); border-color: transparent; font-weight: 600; box-shadow: 0 0 16px rgba(0, 240, 255, 0.5); }
.digest { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 380px), 1fr)); gap: 16px; margin-top: 14px; }
.day-card { padding: 20px; border-radius: 18px; background: var(--panel-2); border: 1px solid var(--line); backdrop-filter: blur(14px); min-width: 0; }
.day-card header { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.day-card h2 { margin: 0; font-family: var(--display); font-weight: 700; font-size: 18px; letter-spacing: 0.06em; }
.day-card header span { font-size: 11px; }
.day-card ol { list-style: none; margin: 0; padding: 0; }
.row { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); }
.row:first-child { border-top: 0; }
.row-rank { font-family: var(--display); font-weight: 900; color: var(--muted); }
.row.top .row-rank { color: var(--gold); text-shadow: 0 0 10px rgba(255, 209, 102, 0.6); }
.row-main { min-width: 0; }
.row-main a { font-family: var(--mono); font-size: 14px; font-weight: 600; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-main a:hover { color: var(--cyan); }
.row-main p { margin: 2px 0 0; font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-val { text-align: right; font-family: var(--mono); font-size: 14px; white-space: nowrap; }
.row-val b { display: block; color: var(--gold); }
.row-val b.up { color: var(--lime); text-shadow: 0 0 10px rgba(77, 255, 159, 0.5); }
.row-val small { font-size: 11px; color: var(--muted); }
@media (max-width: 760px) { .topbar .nav-link[title] { display: none; } }

/* ---------- Language bar / speed / kbd ---------- */
.langbar { margin-top: 12px; max-width: 520px; }
.lb-track { display: flex; gap: 2px; height: 8px; border-radius: 999px; overflow: hidden; background: var(--sunken); }
.lb-seg { border: 0; padding: 0; cursor: pointer; background: var(--c); box-shadow: 0 0 10px var(--c); opacity: 0.85; transition: opacity 0.2s, filter 0.2s; }
.lb-seg:hover, .lb-seg.on { opacity: 1; filter: brightness(1.35); }
/* 图例保持一行：放不下时横向滚动而不是换行（换行后色块和占比条对不上） */
.lb-legend { display: flex; flex-wrap: nowrap; gap: 4px 12px; margin-top: 8px; overflow-x: auto; scrollbar-width: none; font-family: var(--mono); font-size: 11px; color: var(--muted); }
.lb-legend::-webkit-scrollbar { display: none; }
.lb-legend span { display: inline-flex; align-items: center; white-space: nowrap; } /* 换行时色块和文字一起换，不会错位 */
.lb-legend i { display: inline-block; flex: none; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; background: var(--c); }
.metrics .speed b { color: var(--pink); }
kbd { font-family: var(--mono); font-size: 11px; padding: 1px 6px; border-radius: 4px; border: 1px solid var(--line); background: var(--sunken); color: var(--text); }
@media (hover: none) { .kbd-hint { display: none; } }

/* ---------- 明亮主题 ---------- */
:root[data-theme='light'] {
  color-scheme: light;
  --bg: #f3f5fc;
  --bg-2: #e8ecf8;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-2: rgba(255, 255, 255, 0.72);
  --chip: rgba(255, 255, 255, 0.85);
  --sunken: rgba(30, 40, 100, 0.06);
  --card-1: rgba(255, 255, 255, 0.95);
  --card-2: rgba(245, 247, 255, 0.95);
  --tab-on: #ffffff;
  --dialog-1: rgba(255, 255, 255, 0.98);
  --dialog-2: rgba(240, 243, 255, 0.98);
  --backdrop: rgba(190, 198, 230, 0.55);
  --skel-1: rgba(222, 228, 246, 0.9);
  --skel-2: rgba(246, 248, 255, 0.95);
  --line: rgba(40, 60, 160, 0.14);
  --text: #141a3a;
  --strong: #0b1030;
  --desc: #3a4166;
  --muted: #5d6488;
  --cyan: #0086ad;
  --cyan-2: #00b4d8;
  --violet: #7b2ff7;
  --pink: #c2189b;
  --lime: #0b8f55;
  --gold: #a86b00;
  --silver: #66749f;
  --bronze: #c0602a;
  --on-accent: #ffffff;
  --halo-1: rgba(123, 47, 247, 0.12);
  --halo-2: rgba(0, 134, 173, 0.1);
}
:root[data-theme='dark'] { color-scheme: dark; }
:root[data-theme='light'] .scanlines { display: none; }
/* 白底上霓虹发光会发糊，明亮主题收敛成细阴影 */
:root[data-theme='light'] :is(.brand b, .stat-num, .bright .g, .rank, .row-val b.up, .row.top .row-rank, .d-stats .pos b, .repo:hover) { text-shadow: none; }
:root[data-theme='light'] :is(.card, .stat, .panel, .day-card, .tab, .bright) { box-shadow: 0 1px 2px rgba(20, 30, 80, 0.05), 0 8px 24px -12px rgba(20, 30, 80, 0.18); }
:root[data-theme='light'] .glitch { filter: none; }
:root[data-theme='light'] .seg button[aria-checked='true'], :root[data-theme='light'] .date-chip[aria-selected='true'] { box-shadow: 0 4px 14px -4px rgba(0, 134, 173, 0.6); }
:root[data-theme='light'] .badge.up { background: rgba(11, 143, 85, 0.08); border-color: rgba(11, 143, 85, 0.3); }
:root[data-theme='light'] .badge.new { background: rgba(194, 24, 155, 0.07); border-color: rgba(194, 24, 155, 0.3); }
:root[data-theme='light'] .topics span { background: rgba(0, 134, 173, 0.07); border-color: rgba(0, 134, 173, 0.22); }
:root[data-theme='light'] .bright { background: linear-gradient(150deg, rgba(168, 107, 0, 0.07), var(--chip) 60%); border-color: rgba(168, 107, 0, 0.25); }
:root[data-theme='light'] .card.top1 { border-color: rgba(168, 107, 0, 0.45); }
:root[data-theme='light'] .card.top2 { border-color: rgba(102, 116, 159, 0.45); }
:root[data-theme='light'] .card.top3 { border-color: rgba(192, 96, 42, 0.45); }

/* ---------- 日文字体 ---------- */
:root[lang|='ja'] { --font: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic UI', system-ui, sans-serif; }

/* ---------- 语言 / 主题切换 ---------- */
.prefs { display: flex; align-items: center; gap: 8px; }
.lang-switch { display: inline-flex; padding: 3px; border-radius: 999px; border: 1px solid var(--line); background: var(--chip); }
.lang-switch button {
  border: 0; background: transparent; color: var(--muted); cursor: pointer;
  min-width: 34px; height: 26px; padding: 0 8px; border-radius: 999px; font: 600 12px var(--mono); transition: all 0.2s;
}
.lang-switch button:hover { color: var(--text); }
.lang-switch button[aria-pressed='true'] { color: var(--on-accent); background: linear-gradient(120deg, var(--cyan), var(--cyan-2)); }
.theme-btn {
  display: inline-grid; place-items: center; padding: 0;
  width: 34px; height: 34px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--line); background: var(--chip); color: var(--text); transition: color 0.2s, border-color 0.2s, transform 0.3s;
}
.theme-btn:hover { color: var(--cyan); border-color: var(--cyan); transform: rotate(20deg); }

/* ---------- 面板标题与控件布局 ---------- */
.panel-title { min-width: 0; }
.panel-head h2 small { font-family: var(--mono); font-size: 12px; font-weight: 400; letter-spacing: 0.04em; color: var(--muted); margin-left: 6px; }
.controls { flex-direction: column; align-items: flex-end; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
@media (max-width: 760px) {
  .topbar { flex-wrap: wrap; }
  .topbar .nav { margin-left: 0; order: 3; width: 100%; }
  .controls { align-items: stretch; }
  .seg button { flex: 1 1 30%; }
  .eyebrow { letter-spacing: 0.12em; font-size: 11px; }
  /* 手机端压缩首屏：目标是尽快看到第一条项目 */
  .hero-body { padding: 16px 0 10px; }
  .glitch { font-size: clamp(28px, 8.4vw, 42px); } /* 让日文标题 "AI OSS ランキング" 在 375px 宽也保持一行 */
  .eyebrow { margin-bottom: 10px; }
  .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin-top: 18px; }
  .stat { padding: 10px 4px; }
  .stat-num { font-size: 15px; }
  /* 手机端用短标签（data-short 由 i18n 按语言填入），避免折行导致四张卡片高度不一 */
  .stat-label { font-size: 0; letter-spacing: 0.04em; }
  .stat-label::after { content: attr(data-short); font-size: 10px; }
  .bright { flex: 0 0 58%; padding: 10px 12px; gap: 2px; }
  .bright .g { font-size: 18px; }
  .brightest { margin-bottom: 14px; }
  #langbar { display: none; }
  .filters { flex-direction: row; }
  .filters .field { flex: 1 1 0; min-width: 0; }
  .field input, .field select { width: 100%; }
}