:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2563eb;
  --good: #059669;
  --warn: #b45309;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f17;
    --surface: #161b26;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --border: #273042;
    --accent: #60a5fa;
    --good: #34d399;
    --warn: #fbbf24;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
}
button, input, select { font: inherit; color: inherit; }
button {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
}
input, select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  min-width: 0;
}
h1 { font-size: 1.2rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 0; }
h3 { font-size: 1rem; margin: 16px 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.warn { color: var(--warn); }
.grow { flex: 1; min-width: 0; }
.row { display: flex; align-items: center; gap: 8px; margin: 6px 0; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.link { background: none; border: none; padding: 4px; color: var(--accent); }
.link.warn { color: var(--warn); }
.primary { background: var(--accent); color: #fff; border-color: var(--accent); }

.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.quarter { font-size: 0.8rem; color: var(--muted); }
main { padding: 16px; max-width: 640px; margin: 0 auto; }
.section-title { margin: 24px 0 8px; }

.big-btn {
  width: 100%; padding: 16px; font-size: 1.15rem; font-weight: 600;
  background: var(--accent); color: #fff; border: none; border-radius: 14px;
}
.big-btn.secondary { background: var(--surface); color: var(--accent); border: 1px dashed var(--accent); margin-top: 12px; }

.search-row { display: flex; gap: 8px; margin-top: 12px; }
.search-row input[type=search] { flex: 1; }
.search-row input[type=number] { width: 90px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip { border-radius: 999px; padding: 6px 12px; font-size: 0.9rem; }
.chip.on { border-color: var(--accent); color: var(--accent); font-weight: 600; }

#result:not(:empty) {
  margin-top: 16px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 12px;
}
.result-head { margin-bottom: 8px; }
.result-row {
  display: flex; gap: 10px; align-items: center;
  padding: 10px 0; border-top: 1px solid var(--border);
}
.result-row.best {
  background: color-mix(in srgb, var(--good) 12%, transparent);
  border-radius: 10px; padding: 12px 10px; border-top: none;
}
.result-row.best .pct { color: var(--good); font-size: 1.6rem; }
.result-row.blocked { opacity: 0.5; }
.swatch {
  width: 14px; align-self: stretch; min-height: 32px; border-radius: 4px;
  background: var(--card, #888);
}
.card-name { overflow-wrap: anywhere; }
.right { text-align: right; }
.pct { font-weight: 700; font-size: 1.2rem; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.tile {
  display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto auto;
  column-gap: 8px; text-align: left; padding: 10px; border-radius: 12px;
}
.tile-icon { grid-row: span 3; font-size: 1.4rem; }
.tile-label { font-size: 0.85rem; color: var(--muted); }
.tile-card {
  font-weight: 600; font-size: 0.95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  border-left: 4px solid var(--card); padding-left: 6px;
}
.tile-pct { font-weight: 700; color: var(--good); }

.wallet-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 12px; margin-bottom: 10px;
}
.wallet-head { display: flex; gap: 10px; align-items: center; }
.rot { margin-top: 8px; padding: 8px; border-radius: 8px; background: color-mix(in srgb, var(--accent) 8%, transparent); }
.progress-wrap { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.progress { flex: 1; height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.progress > div { height: 100%; background: var(--accent); }
.log-row { display: flex; gap: 8px; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--border); }

.currency { padding: 8px 0; border-bottom: 1px solid var(--border); }
.currency input { width: 80px; }
.currency select { max-width: 55%; }

.top { position: sticky; }
.home-link { background: none; border: none; padding: 0; font: inherit; font-weight: 700; color: inherit; cursor: pointer; }
.top-right { display: flex; align-items: center; gap: 12px; }
.menu-btn {
  width: 42px; height: 40px; padding: 12px 10px; border-radius: 10px;
  display: flex; flex-direction: column; justify-content: space-between; background: none;
}
.menu-btn span { display: block; height: 2px; border-radius: 2px; background: var(--text); }
.menu-btn.open { background: var(--bg); border-color: var(--accent); }
.menu {
  position: absolute; top: calc(100% + 4px); right: 12px; z-index: 10; min-width: 220px;
  display: flex; flex-direction: column; padding: 6px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 10px 30px rgb(0 0 0 / 0.18);
}
.menu[hidden] { display: none; }
.menu button, .menu a {
  text-align: left; border: none; background: none; border-radius: 10px; padding: 12px 14px;
  font-size: 1rem; color: var(--text); text-decoration: none;
}
.menu button:hover, .menu a:hover { background: var(--bg); }
.menu button.active { color: var(--accent); font-weight: 600; }
.menu a { border-top: 1px solid var(--border); border-radius: 0 0 10px 10px; margin-top: 4px; }
.home-footer { margin: 28px 0 8px; text-align: center; font-size: 0.85rem; color: var(--muted); }
.home-footer a { color: var(--muted); }

dialog {
  width: min(560px, calc(100vw - 16px)); max-height: calc(100vh - 32px);
  border: 1px solid var(--border); border-radius: 16px; padding: 16px;
  background: var(--bg); color: var(--text);
}
dialog::backdrop { background: rgb(0 0 0 / 0.5); }
.field { display: flex; flex-direction: column; gap: 2px; margin: 8px 0; font-size: 0.85rem; color: var(--muted); }
.field input, .field select { color: var(--text); font-size: 1rem; }
.field input[type=color] { height: 40px; padding: 2px; }
.rule { border: 1px solid var(--border); border-radius: 10px; padding: 8px; margin: 8px 0; background: var(--surface); }
.rule-nums { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.cat-picker summary { cursor: pointer; padding: 4px 0; }
.cat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; font-size: 0.85rem; padding: 6px 0; }
.preset-list { display: flex; flex-direction: column; gap: 6px; margin: 12px 0; }
.preset { display: flex; gap: 10px; align-items: center; text-align: left; }
.preset .swatch { min-height: 20px; }
.sticky { position: sticky; bottom: -16px; background: var(--bg); padding: 8px 0; justify-content: flex-end; }

.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; z-index: 20;
  font-size: 0.9rem; max-width: calc(100vw - 32px);
}
.tip { color: var(--accent); }
.notice {
  display: flex; gap: 8px; align-items: flex-start; margin-bottom: 10px; padding: 10px 12px;
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--card, var(--accent));
  border-radius: 12px;
}
.update { margin-top: 8px; padding: 8px; border-radius: 8px; background: color-mix(in srgb, var(--warn) 12%, transparent); }
.benefits { margin-top: 8px; }
.benefits summary { cursor: pointer; color: var(--muted); }
.benefits ul { margin: 6px 0 0; padding-left: 20px; }
.tile-deal { grid-column: 2; font-size: 0.75rem; color: var(--accent); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile { grid-template-rows: auto auto auto auto; }
.tile-icon { grid-row: span 4; }
.deals { margin-top: 12px; padding-top: 8px; border-top: 1px solid var(--border); }
.filters { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0; }
.filters input { grid-column: span 2; }
.issuer-head { margin: 12px 0 2px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.preset.added { opacity: 0.55; }
.email-signin { display: grid; gap: 8px; margin-top: 16px; }
.install-help { margin: 6px 0; padding: 8px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.install-help summary { cursor: pointer; font-weight: 600; }
.install-help ol { margin: 8px 0 4px; padding-left: 20px; }
.install-help li { margin: 4px 0; }
.home-footer.disclaimer { margin-top: 4px; font-size: 0.75rem; }