:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e2330;
  --border: #2a3142;
  --text: #e8ecf4;
  --muted: #9aa3b5;
  --accent: #e85d04;
  --accent-2: #f48c06;
  --ok: #3dd68c;
  --err: #ff6b6b;
  --rank: #6b7280;
  --shadow: 0 8px 24px rgba(0,0,0,.28);
  --radius: 14px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --max-read: 1100px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fb;
    --panel: #ffffff;
    --panel-2: #f7f8fc;
    --border: #e3e7ef;
    --text: #1a1f2c;
    --muted: #667085;
    --shadow: 0 8px 24px rgba(26,31,44,.06);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(232,93,4,.12), transparent 55%),
              radial-gradient(900px 500px at 100% 0%, rgba(61,214,140,.08), transparent 50%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent-2); }

.is-hidden { display: none !important; }

/* ——— Top bar ——— */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; min-width: 0; }
.logo {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: .02em;
  color: var(--accent);
}
.tag { color: var(--muted); font-size: .85rem; }
.actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.last-updated {
  color: var(--muted);
  font-size: .75rem;
  font-family: var(--mono);
  white-space: nowrap;
}
.view-toggle,
.lang {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--panel);
}
.view-btn,
.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 6px 12px;
  cursor: pointer;
  font: inherit;
  font-size: .85rem;
}
.view-btn.is-active,
.lang-btn.is-active {
  background: var(--accent);
  color: #fff;
}
.btn {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  font: inherit;
  font-size: .9rem;
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .55; cursor: wait; }

.hint {
  margin: 10px auto 0;
  padding: 0 24px;
  color: var(--muted);
  font-size: .88rem;
  max-width: 1400px;
}

/* ——— Source tabs ——— */
.source-tabs {
  display: flex;
  gap: 8px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 24px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.source-tabs[hidden] { display: none !important; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 7px 12px 7px 8px;
  cursor: pointer;
  font: inherit;
  font-size: .86rem;
  transition: border-color .15s, background .15s;
}
.chip:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); }
.chip.is-active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  font-weight: 600;
}
.chip .badge {
  width: 22px; height: 22px;
  border-radius: 7px;
  display: grid; place-items: center;
  font-size: .65rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.chip-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
}
.chip-dot.ok { background: var(--ok); }
.chip-dot.err { background: var(--err); }
.chip-dot.load { background: var(--accent-2); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { opacity: .4; }
  50% { opacity: 1; }
}

/* ——— Focus (single-source reading) ——— */
.focus {
  max-width: var(--max-read);
  width: 100%;
  margin: 0 auto;
  padding: 10px 24px 28px;
}
.focus-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.focus-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 0;
}
.focus-title .badge {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: grid; place-items: center;
  font-size: .85rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.focus-meta {
  color: var(--muted);
  font-size: .8rem;
  font-family: var(--mono);
  margin: 0 0 12px;
}
.focus-home {
  font-size: .8rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  white-space: nowrap;
}
.focus-home:hover { color: var(--accent-2); border-color: var(--accent); }

.focus-list {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.focus-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 2px 14px;
  align-items: start;
  padding: 11px 20px;
  border-bottom: 1px solid var(--border);
}
.focus-list li:last-child { border-bottom: 0; }
.focus-list li:hover {
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}
.focus-list .rank {
  grid-row: span 2;
  color: var(--rank);
  font-family: var(--mono);
  font-size: .95rem;
  font-weight: 600;
  padding-top: 2px;
  text-align: right;
}
.focus-list li:nth-child(-n+3) .rank { color: var(--accent); }
.focus-list .titles { min-width: 0; grid-column: 2; }
.focus-list .t-main {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.4;
  word-break: break-word;
}
.focus-list .t-sub {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 3px;
  font-size: .8rem;
  color: var(--muted);
  font-weight: 400;
}
.focus-list .hot {
  grid-column: 2;
  color: var(--muted);
  font-size: .72rem;
  font-family: var(--mono);
  opacity: .75;
  margin-top: 2px;
}

/* ——— Board (overview grid) ——— */
.board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
  padding: 16px 20px 40px;
  max-width: 1400px;
  margin: 0 auto;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}
.card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: .95rem;
}
.badge {
  width: 28px; height: 28px;
  border-radius: 8px;
  display: grid; place-items: center;
  font-size: .75rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.status {
  font-size: .72rem;
  color: var(--muted);
  font-family: var(--mono);
}
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }

.list { list-style: none; margin: 0; padding: 4px 0 8px; flex: 1; }
.list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 6px 8px;
  align-items: start;
  padding: 9px 14px;
}
.list li:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.rank {
  color: var(--rank);
  font-family: var(--mono);
  font-size: .8rem;
  padding-top: 2px;
  text-align: right;
}
.list li:nth-child(-n+3) .rank { color: var(--accent); font-weight: 700; }
.titles { min-width: 0; }
.t-main {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: .9rem;
  word-break: break-word;
}
.t-sub {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 2px;
  font-size: .75rem;
  color: var(--muted);
  word-break: break-word;
}
.hot {
  grid-column: 2;
  color: var(--muted);
  font-size: .7rem;
  font-family: var(--mono);
  opacity: .7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.empty, .error-box {
  padding: 28px 16px;
  text-align: center;
  color: var(--muted);
  font-size: .9rem;
  list-style: none;
}
.error-box { color: var(--err); }
.retry {
  margin-top: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 8px;
  padding: 5px 12px;
  cursor: pointer;
  font: inherit;
}

.foot {
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
  color: var(--muted);
  font-size: .8rem;
  max-width: var(--max-read);
  margin: 0 auto;
}
.foot p { margin: 0 0 8px; }
.meta.muted { opacity: .85; }

@media (max-width: 720px) {
  .top {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 14px;
    gap: 10px;
  }
  .actions { justify-content: flex-start; }
  .tag { display: none; }
  .last-updated { width: 100%; order: -1; }
  .hint { margin: 8px auto 0; padding: 0 14px; }
  .source-tabs { padding: 10px 14px 0; }
  .focus { padding: 8px 14px 24px; }
  .focus-title { font-size: 1.15rem; }
  .focus-list li { padding: 12px 14px; grid-template-columns: 32px 1fr; }
  .focus-list .t-main { font-size: .95rem; }
  .board { padding: 12px 12px 28px; gap: 12px; grid-template-columns: 1fr; }
}