:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #e6e8ee;
  --border-strong: #d7dbe3;
  --text: #0f172a;
  --text-soft: #475569;
  --text-muted: #8a93a5;
  --accent: #2563eb;
  --accent-soft: #eef4ff;
  --green: #0f9d58;
  --green-soft: #e9f8ef;
  --amber: #b45309;
  --amber-soft: #fef6e7;
  --red: #c0392b;
  --red-soft: #fdeeec;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 12px 28px -18px rgba(16, 24, 40, .28);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 50% -240px, #e8effc 0%, rgba(232, 239, 252, 0) 70%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
  line-height: 1.6;
}

.wrap {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

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

button { font-family: inherit; }

/* ---------- 顶栏 ---------- */
.topbar {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: linear-gradient(150deg, #3b82f6, #1d4ed8);
  color: #fff;
  box-shadow: 0 6px 14px -6px rgba(37, 99, 235, .7);
  flex: 0 0 auto;
}
.brand-mark svg { width: 20px; height: 20px; }

.brand-text h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.25;
}
.brand-text p {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.topnav { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--text-soft); }
.runtime {
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-muted);
  white-space: nowrap;
  max-width: 40vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- Hero ---------- */
.hero { padding: 44px 0 22px; }

.hero h2 {
  margin: 0 0 10px;
  font-size: clamp(26px, 4.2vw, 36px);
  line-height: 1.22;
  letter-spacing: -.025em;
  font-weight: 760;
}

.hero-sub {
  margin: 0 0 22px;
  color: var(--text-soft);
  max-width: 660px;
  font-size: 14.5px;
}

.searchbar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 8px 8px 8px 14px;
  box-shadow: var(--shadow);
  transition: border-color .18s, box-shadow .18s;
  max-width: 660px;
}
.searchbar:focus-within {
  border-color: #b9cdf7;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .12), var(--shadow);
}

.search-icon { display: grid; place-items: center; color: var(--text-muted); flex: 0 0 auto; }
.search-icon svg { width: 18px; height: 18px; }

.searchbar input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: none;
  font-size: 16px;
  padding: 10px 0;
  background: transparent;
  color: var(--text);
}
.searchbar input::placeholder { color: #a6adba; }

.searchbar button[type="submit"] {
  position: relative;
  border: 0;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background .16s, transform .06s;
  white-space: nowrap;
}
.searchbar button[type="submit"]:hover { background: #1d4ed8; }
.searchbar button[type="submit"]:active { transform: translateY(1px); }
.searchbar button[type="submit"][disabled] { background: #9db6f0; cursor: progress; }

.spinner {
  display: none;
  width: 13px; height: 13px;
  border: 2px solid rgba(255,255,255,.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.searchbar button[type="submit"].busy .spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.ghost-chip {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-soft);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12.5px;
  cursor: pointer;
  transition: all .15s;
}
.ghost-chip:hover { border-color: #c9d6f5; color: var(--accent); background: var(--accent-soft); }

/* ---------- 面板 ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 16px;
}

.setup-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.field { min-width: 0; }
.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: .02em;
}

.segmented {
  display: inline-flex;
  background: #f1f3f7;
  border-radius: 11px;
  padding: 3px;
  gap: 2px;
}
.seg {
  border: 0;
  background: transparent;
  color: var(--text-soft);
  padding: 7px 14px;
  border-radius: 9px;
  font-size: 13.5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .15s;
}
.seg b {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 11.5px;
  color: var(--text-muted);
}
.seg.active {
  background: #fff;
  color: var(--text);
  box-shadow: 0 1px 3px rgba(16,24,40,.12);
  font-weight: 600;
}
.seg.active b { color: var(--accent); }

.field-inline {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding-bottom: 4px;
}

.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--text-soft); }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch .track {
  width: 34px; height: 19px;
  border-radius: 999px;
  background: #d9dee8;
  position: relative;
  transition: background .18s;
  flex: 0 0 auto;
}
.switch .track::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(16,24,40,.25);
  transition: transform .18s;
}
.switch input:checked + .track { background: var(--accent); }
.switch input:checked + .track::after { transform: translateX(15px); }
.switch input:focus-visible + .track { box-shadow: 0 0 0 3px rgba(37,99,235,.2); }

.link-btn {
  border: 0;
  background: transparent;
  color: var(--text-soft);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 2px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 6px;
}
.link-btn { white-space: nowrap; }
.link-btn:hover { color: var(--accent); }
.link-btn.danger:hover { color: var(--red); }

.advanced {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.mini-field { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--text-muted); }
.mini-field i { font-style: normal; opacity: .7; }
.mini-field input {
  width: 120px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 6px 9px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  outline: none;
  background: #fff;
}
.mini-field input:focus { border-color: #b9cdf7; box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.hint { flex-basis: 100%; margin: 0; font-size: 12px; color: var(--text-muted); }

/* ---------- 进度 ---------- */
.progress-wrap { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); }
.progress-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.progress-title { display: flex; align-items: baseline; gap: 10px; font-size: 13px; color: var(--text-soft); }
.progress-eta { font-size: 12px; color: var(--text-muted); font-family: var(--mono); }
.progress-track { height: 7px; border-radius: 99px; background: #eef1f6; overflow: hidden; }
.progress-bar {
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, #60a5fa, #2563eb);
  transition: width .3s ease;
}

/* ---------- 统计卡片 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-label { font-size: 12px; color: var(--text-muted); }
.stat strong { font-size: 24px; font-family: var(--mono); font-weight: 600; letter-spacing: -.02em; }
.stat-claimed strong { color: var(--green); }
.stat-available strong { color: var(--text-soft); }
.stat-unknown strong { color: var(--amber); }
.stat-pending strong { color: var(--text-muted); }

/* ---------- 结果 ---------- */
.results-panel {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: min(72vh, 820px);
}

.results-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  background: #fff;
  flex: 0 0 auto;
}

.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab {
  border: 0;
  background: transparent;
  color: var(--text-soft);
  font-size: 13px;
  padding: 6px 11px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tab b { font-family: var(--mono); font-size: 11.5px; color: var(--text-muted); font-weight: 500; }
.tab.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.tab.active b { color: var(--accent); }

.results-actions { display: flex; gap: 12px; }

.result-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  flex: 1 1 auto;
}

.row {
  display: block;
  border-bottom: 1px solid #f1f3f7;
  animation: rowIn .22s ease both;
}
.row-head {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto 168px;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
}
@keyframes rowIn { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }
.row:last-child { border-bottom: 0; }
.row:hover { background: #fafbfd; }
.row.open { background: #fbfcfe; }
.row.open .row-head { padding-bottom: 6px; }

.fav {
  width: 26px; height: 26px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: #fff;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #94a3b8;
  flex: 0 0 auto;
}
.fav img {
  opacity: 0;
  transition: opacity .15s;
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 3px;
  background: #fff;
}
.fav img.ok { opacity: 1; }
.fav img.dead { display: none; }

.row-main { min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.row-name {
  font-size: 14px;
  font-weight: 550;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.row-name a { color: inherit; }
.row-name a:hover { color: var(--accent); text-decoration: none; }
.row-url {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge {
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
  font-weight: 550;
  border: 1px solid transparent;
}
.badge.claimed { background: var(--green-soft); color: #0b7a44; border-color: #c9efdb; }
.badge.available { background: #f2f4f7; color: #5a6577; border-color: #e4e8ef; }
.badge.illegal { background: #eef4ff; color: #2b5bd7; border-color: #d5e3ff; }
.badge.waf { background: var(--amber-soft); color: var(--amber); border-color: #fbe4bb; }
.badge.error { background: var(--red-soft); color: var(--red); border-color: #f7d5d0; }
.badge.pending { background: #f7f8fa; color: #9aa3b2; border-color: #eceff4; }
.badge.unreachable { background: #f4f5f7; color: #6b7385; border-color: #dfe3ea; border-style: dashed; }

.row-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  min-width: 0;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
}
.meta-num {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.row-meta .note {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  max-width: 100%;
  overflow: hidden;
  white-space: normal;
  line-height: 1.35;
  font-family: var(--font);
  font-size: 10.5px;
  color: #b26a4a;
}

.meta-action {
  font-family: var(--font);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  white-space: nowrap;
}
.meta-action:hover { text-decoration: underline; }
.meta-action.done { color: #0b7a44; }

.mark {
  font-style: normal;
  font-size: 10px;
  font-weight: 600;
  color: #0b7a44;
  background: #e8f7ef;
  border: 1px solid #c9efdb;
  border-radius: 4px;
  padding: 0 4px;
  margin-left: 6px;
  vertical-align: 1px;
  letter-spacing: .2px;
}

/* ---------- 人工复核 ---------- */
.review-bar {
  padding: 2px 18px 14px 60px;
  animation: rowIn .18s ease both;
}
.review-bar[hidden] { display: none; }
.review-tip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0 0 9px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-soft);
}
.review-tip-sub { color: var(--text-muted); font-size: 11.5px; }
.review-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.mini-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 550;
  padding: 5px 11px;
  border-radius: 7px;
  border: 1px solid var(--border-strong);
  background: #fff;
  color: var(--text-soft);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.4;
}
.mini-btn:hover { border-color: #b9c6dd; color: var(--text); }
.mini-btn.primary { border-color: #c9d6f5; background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.mini-btn.primary:hover { background: #e3edff; }
.mini-btn.ok:hover, .mini-btn.ok.on { border-color: #9fd9b9; background: var(--green-soft); color: #0b7a44; }
.mini-btn.no:hover, .mini-btn.no.on { border-color: #d7dbe3; background: #f2f4f7; color: #3d4757; }
.mini-btn.off:hover, .mini-btn.off.on { border-color: #cfd5e0; background: #f4f5f7; color: #45505f; }
.mini-btn.ghost { color: var(--text-muted); border-style: dashed; }
.mini-btn.ghost:hover { color: var(--red); border-color: #f0c9c3; }

.review-aux {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--text-muted);
}
.aux-link {
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: #cfd5e0;
  text-underline-offset: 2px;
}
.aux-link:hover { color: var(--accent); text-decoration-color: currentColor; }
.aux-hint { flex: 1 1 240px; min-width: 0; line-height: 1.55; }

/* ---------- 服务端代看快照 ---------- */
.snap-slot:empty { display: none; }
.snap {
  margin-top: 10px;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fbfcfe;
  font-size: 12px;
  line-height: 1.65;
  color: var(--text-soft);
  max-height: 320px;
  overflow: auto;
}
.snap.loading { color: var(--text-muted); }
.snap.bad { background: #fffbf5; border-color: #f3e2c7; }
.snap-verdict { margin: 0 0 8px; font-weight: 550; }
.snap-verdict.ok { color: #0b7a44; }
.snap-verdict.bad { color: #a2500b; }
.snap-title {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 620;
  color: var(--text);
  word-break: break-word;
}
.snap-desc { margin: 0 0 8px; color: var(--text-soft); word-break: break-word; }
.snap-excerpt {
  margin: 0;
  padding: 8px 10px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #eef1f6;
  font-family: var(--font);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--text-soft);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 200px;
  overflow: auto;
}
.snap-note { margin: 8px 0 0; font-size: 11px; color: var(--text-muted); }

/* ---------- 待复核提示条 ---------- */
.review-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 9px 18px;
  background: #fffbf2;
  border-bottom: 1px solid #f6e7cc;
  font-size: 12.5px;
  color: #8a5a1b;
}
.review-banner .rb-icon { display: grid; place-items: center; color: var(--amber); flex: 0 0 auto; }
.review-banner .rb-text { flex: 1 1 auto; min-width: 0; }
.review-banner .mini-btn {
  border-color: #eccf9d;
  background: #fff;
  color: #8a5a1b;
  padding: 4px 10px;
}
.review-banner .mini-btn:hover { background: #fdf2df; border-color: #e2bd80; color: #7a4e13; }

.empty {
  margin: 0;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13.5px;
}

/* ---------- 说明 ---------- */
.notes { padding: 10px 4px 30px; }
.notes h3 { font-size: 13px; margin: 0 0 10px; color: var(--text-soft); font-weight: 650; }
.notes ul { margin: 0; padding-left: 20px; color: var(--text-muted); font-size: 12.8px; line-height: 1.75; }
.notes b { color: var(--text-soft); font-weight: 600; }

.footer {
  border-top: 1px solid var(--border);
  padding: 18px 0 26px;
  font-size: 12.5px;
  color: var(--text-muted);
}
.footer .wrap { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(8px);
  background: #111827;
  color: #fff;
  font-size: 13px;
  padding: 9px 16px;
  border-radius: 10px;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,.5);
  opacity: 0;
  transition: opacity .2s, transform .2s;
  pointer-events: none;
  z-index: 60;
  max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 860px) {
  .row-head { grid-template-columns: 30px minmax(0, 1fr) auto auto; }
  .meta-num { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* 窄屏把"原因"和复核按钮一起塞进右侧会把站名挤没，原因交给徽标和展开后的说明 */
@media (max-width: 640px) {
  .row-meta .note { display: none; }
}

@media (max-width: 600px) {
  .wrap { width: calc(100% - 28px); }
  .brand-text p { display: none; }
  .hero { padding: 28px 0 16px; }
  .searchbar { flex-wrap: wrap; padding: 10px; }
  .searchbar input { flex-basis: 100%; padding: 6px 4px; }
  .searchbar button[type="submit"] { width: 100%; justify-content: center; }
  .search-icon { display: none; }
  .topnav a { display: none; }
  .results-actions { gap: 12px; }
  .results-head { padding: 9px 12px; gap: 6px; }
  .tab { font-size: 12.5px; padding: 5px 7px; gap: 4px; }
  .link-btn { font-size: 12.5px; }
  .panel { padding: 14px; }
  .results-panel { padding: 0; }
  .row-head { padding: 10px 14px; }
  .review-bar { padding: 2px 14px 12px; }
  .review-actions .mini-btn { flex: 1 1 auto; justify-content: center; }
  .setup-row { gap: 14px; }
}