:root {
  --bg: var(--tg-theme-bg-color, #0f1115);
  --text: var(--tg-theme-text-color, #e8e8ea);
  --hint: var(--tg-theme-hint-color, #8a8d94);
  --card-bg: var(--tg-theme-secondary-bg-color, #1a1d24);
  --accent: var(--tg-theme-button-color, #4c8bf5);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --good: #3ecf6a;
  --bad: #ef4b4b;
  --warn: #f5a623;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
#app { padding: 12px 12px 88px; max-width: 640px; margin: 0 auto; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.topbar h1 { font-size: 20px; margin: 0; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.updated { font-size: 11px; color: var(--hint); }
.icon-btn {
  background: rgba(255,255,255,0.06);
  border: none;
  color: var(--text);
  border-radius: 10px;
  width: 32px;
  height: 32px;
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.icon-btn:active { transform: scale(0.9); }
.icon-btn.spinning, .refresh-mini.spinning { animation: spin 0.8s linear infinite; }
.icon-btn:disabled, .refresh-mini:disabled { opacity: 0.5; cursor: default; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.gate { text-align: center; padding: 60px 20px; color: var(--hint); }
.content.hidden, .gate.hidden, .tab-panel.hidden, .tabbar.hidden, .show-more.hidden { display: none; }
.card {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.card h2 { margin: 0; font-size: 15px; }
.card-body { font-size: 14px; line-height: 1.5; }
.muted { color: var(--hint); font-size: 13px; }
.row { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px solid rgba(255,255,255,0.06); cursor: pointer; }
.row:last-child { border-bottom: none; }
.row:active { background: rgba(255,255,255,0.04); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 8px; font-size: 11px; font-weight: 600; }
.badge-A { background: rgba(62,207,106,0.18); color: var(--good); }
.badge-B { background: rgba(245,166,35,0.18); color: var(--warn); }
.badge-C { background: rgba(239,75,75,0.18); color: var(--bad); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
.stat { background: rgba(255,255,255,0.04); border-radius: 10px; padding: 8px 10px; }
.stat .num { font-size: 18px; font-weight: 700; }
.stat .lbl { font-size: 11px; color: var(--hint); }
.refresh-mini {
  background: none;
  border: none;
  color: var(--hint);
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
}
.refresh-mini:active { color: var(--accent); }
.show-more {
  width: 100%;
  margin-top: 8px;
  padding: 8px;
  background: rgba(255,255,255,0.05);
  border: none;
  border-radius: 8px;
  color: var(--accent);
  font-size: 13px;
  cursor: pointer;
}
.show-more:active { background: rgba(255,255,255,0.1); }
.error {
  background: rgba(239,75,75,0.15);
  color: var(--bad);
  padding: 12px 14px;
  border-radius: 10px;
  margin-top: 12px;
  font-size: 13px;
}
.error.hidden { display: none; }

/* --- bottom tab bar --- */
.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  background: var(--card-bg);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
  max-width: 640px;
  margin: 0 auto;
  z-index: 10;
}
.tab-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--hint);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 2px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 10px;
}
.tab-btn .tab-icon { font-size: 18px; }
.tab-btn.active { color: var(--accent); background: rgba(76,139,245,0.12); }
.tab-btn:active { transform: scale(0.95); }

/* --- detail modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: flex-end;
  z-index: 20;
}
.modal-overlay.hidden { display: none; }
.modal-sheet {
  background: var(--card-bg);
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  border-radius: 16px 16px 0 0;
  padding: 16px;
  max-height: 70vh;
  overflow-y: auto;
}
.modal-sheet h3 { margin: 0 0 10px; font-size: 16px; }
.modal-close {
  width: 100%;
  margin-top: 12px;
  padding: 10px;
  background: rgba(255,255,255,0.06);
  border: none;
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
}