* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: #172033;
  background: linear-gradient(180deg, #f4f7fb 0%, #eaf0f7 100%);
}

body { -webkit-font-smoothing: antialiased; }
button { font: inherit; }

.page {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 24px 16px 38px;
}

.hero { text-align: center; padding: 18px 10px 10px; }
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  color: #475569;
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(148,163,184,.32);
  box-shadow: 0 4px 18px rgba(15,23,42,.06);
}
.hero h1 {
  margin: 16px 0 7px;
  font-size: clamp(28px, 5vw, 42px);
  color: #0f172a;
  letter-spacing: .04em;
}
.hero p { margin: 0; color: #64748b; font-size: 15px; }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 18px 0 16px;
}
.refresh-btn {
  border: 0;
  cursor: pointer;
  color: #fff;
  background: #2563eb;
  border-radius: 12px;
  padding: 10px 16px;
  font-weight: 750;
  box-shadow: 0 8px 20px rgba(37,99,235,.2);
}
.refresh-btn:disabled { opacity: .58; cursor: not-allowed; }
.tip { font-size: 13px; color: #64748b; text-align: right; }

.site-section,
.route-panel {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(148,163,184,.25);
  border-radius: 22px;
  box-shadow: 0 18px 44px rgba(15,23,42,.08);
}
.site-section { padding: 18px; }
.section-title-row,
.route-panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-title-row { justify-content: flex-start; }
.route-panel-head { justify-content: space-between; }
.section-title-row h2,
.route-panel-head h2 { margin: 0; font-size: 21px; color: #0f172a; }
.route-summary {
  font-size: 13px;
  color: #64748b;
  background: #f1f5f9;
  border-radius: 999px;
  padding: 6px 10px;
}

.site-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}
.site-card {
  position: relative;
  display: grid;
  gap: 5px;
  min-height: 108px;
  padding: 14px;
  text-align: left;
  border: 1px solid #dbe3ee;
  border-radius: 16px;
  background: #f8fafc;
  color: #334155;
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.site-card:hover { transform: translateY(-2px); }
.site-card.is-active {
  border-color: #2563eb;
  background: #eff6ff;
  box-shadow: 0 10px 24px rgba(37,99,235,.13);
}
.site-card.has-ok::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 4px rgba(22,163,74,.1);
}
.site-name { padding-right: 18px; font-size: 17px; font-weight: 800; color: #0f172a; }
.site-meta { font-size: 12px; color: #64748b; }
.site-status { align-self: end; font-size: 12px; font-weight: 700; color: #475569; }
.site-card.has-ok .site-status { color: #15803d; }

.route-panel { margin-top: 16px; padding: 18px; scroll-margin-top: 12px; }
.eyebrow { display: block; margin-bottom: 4px; font-size: 12px; color: #64748b; }
.smart-open-btn {
  width: 100%;
  margin: 15px 0 12px;
  padding: 14px 18px;
  border: 0;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, #16a34a, #15803d);
  box-shadow: 0 12px 24px rgba(22,163,74,.2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
}
.smart-open-btn span { font-size: 18px; font-weight: 850; }
.smart-open-btn small { font-size: 12px; opacity: .88; }
.smart-open-btn:disabled { opacity: .62; cursor: not-allowed; }

.route-list { display: grid; gap: 9px; }
.route-row {
  width: 100%;
  min-height: 66px;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: 36px minmax(0,1fr) auto 18px;
  align-items: center;
  gap: 10px;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #fff;
  color: #334155;
  cursor: pointer;
  text-align: left;
}
.route-row.is-recommended { border-color: #86efac; background: #f0fdf4; }
.route-row.is-fail { border-color: #fecaca; }
.route-row.is-timeout { border-color: #fde68a; }
.route-index {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  background: #e2e8f0;
  color: #334155;
  font-weight: 850;
}
.route-row.is-ok .route-index { color: #15803d; background: #dcfce7; }
.route-row.is-fail .route-index { color: #b91c1c; background: #fee2e2; }
.route-row.is-timeout .route-index { color: #b45309; background: #fef3c7; }
.route-copy { display: grid; gap: 3px; min-width: 0; }
.route-copy strong { font-size: 15px; color: #0f172a; }
.route-copy small { font-size: 12px; color: #64748b; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.route-result { font-size: 12px; font-weight: 750; color: #64748b; white-space: nowrap; }
.route-row.is-ok .route-result { color: #15803d; }
.route-row.is-fail .route-result { color: #b91c1c; }
.route-row.is-timeout .route-result { color: #b45309; }
.route-arrow { font-size: 24px; color: #94a3b8; }
.route-note { margin: 12px 2px 0; font-size: 12px; line-height: 1.6; color: #64748b; }

.notice {
  margin-top: 16px;
  padding: 15px 16px;
  border-radius: 16px;
  background: rgba(255,255,255,.84);
  border: 1px solid rgba(148,163,184,.28);
  color: #64748b;
  line-height: 1.7;
}

@media (max-width: 680px) {
  .page { padding: 16px 12px 28px; }
  .hero { padding-top: 10px; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .refresh-btn { width: 100%; min-height: 44px; }
  .tip { text-align: center; }
  .site-section, .route-panel { border-radius: 18px; padding: 14px; }
  .site-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .site-card { min-height: 96px; padding: 12px; border-radius: 14px; }
  .site-name { font-size: 16px; }
  .smart-open-btn { align-items: flex-start; flex-direction: column; gap: 4px; }
  .route-row { grid-template-columns: 34px minmax(0,1fr) auto; gap: 8px; }
  .route-arrow { display: none; }
  .route-result { font-size: 11px; }
}

@media (max-width: 370px) {
  .site-grid { grid-template-columns: 1fr; }
}


/* Three configurable entry-display modes. */
.site-grid.mode-single { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.site-grid.mode-grouped { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.site-grid.mode-all { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.single-entry-card { min-height: 108px; }
.all-entry-card { min-height: 104px; }
.all-entry-card.is-ok { border-color: #86efac; background: #f0fdf4; }
.all-entry-card.is-fail { border-color: #fecaca; background: #fff7f7; }
.all-entry-card.is-timeout { border-color: #fde68a; background: #fffbeb; }
.all-entry-card.is-ok .site-status { color: #15803d; }
.all-entry-card.is-fail .site-status { color: #b91c1c; }
.all-entry-card.is-timeout .site-status { color: #b45309; }

@media (max-width: 680px) {
  .site-grid.mode-single,
  .site-grid.mode-grouped,
  .site-grid.mode-all { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 370px) {
  .site-grid.mode-single,
  .site-grid.mode-grouped,
  .site-grid.mode-all { grid-template-columns: 1fr; }
}