:root {
  --bg: #0b1118;
  --surface: #131c27;
  --surface-2: #1a2635;
  --line: #243245;
  --text: #e8eef6;
  --muted: #8b9bb0;
  --accent: #4cc2ff;
  --up: #34d399;
  --down: #f87171;
  --mixed: #fbbf24;
  --radius: 14px;
  --tabs-h: 58px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f6fa;
    --surface: #ffffff;
    --surface-2: #eaf0f7;
    --line: #d6dfeb;
    --text: #0f1b2a;
    --muted: #5b6b80;
    --accent: #0a7fc2;
    --up: #0f9d6b;
    --down: #d33f3f;
    --mixed: #b7791f;
    color-scheme: light;
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(var(--tabs-h) + env(safe-area-inset-bottom) + 12px);
}

h1 { font-size: 20px; margin: 0; letter-spacing: 0.2px; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 22px 0 8px; font-weight: 600; }
p { margin: 0 0 10px; }
a { color: var(--accent); text-decoration: none; }
a:active { opacity: 0.7; }
.arrow { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 13px; margin: 0; }

button { font: inherit; color: inherit; }

/* Nagłówek */
.top {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  padding: calc(env(safe-area-inset-top) + 10px) 16px 10px;
  border-bottom: 1px solid var(--line);
}
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 760px; margin: 0 auto; }
.icon-btn {
  width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--surface); display: grid; place-items: center; cursor: pointer;
}
.icon-btn.spin svg { animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

main { max-width: 760px; margin: 0 auto; padding: 4px 16px 0; }
.view[hidden] { display: none; }

/* Dolna nawigacja */
.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
.tab {
  height: var(--tabs-h); border: 0; background: none; color: var(--muted);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  font-size: 11px; cursor: pointer;
}
.tab.active { color: var(--accent); }

/* Karty */
.lead { color: var(--muted); font-size: 14px; margin-top: 14px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 10px; overflow: hidden;
}
.card-head {
  width: 100%; text-align: left; background: none; border: 0; padding: 12px 14px; cursor: pointer;
  display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; align-items: center;
}
.card-title { font-weight: 600; }
.card-price { text-align: right; font-variant-numeric: tabular-nums; font-size: 14px; }
.meter {
  grid-column: 1 / -1; display: flex; height: 6px; border-radius: 3px; overflow: hidden; background: var(--surface-2);
}
.meter i { display: block; height: 100%; }
.meter .m-up { background: var(--up); }
.meter .m-down { background: var(--down); }
.meter .m-mixed { background: var(--mixed); opacity: 0.7; }
.card-sub { grid-column: 1 / -1; font-size: 13px; color: var(--muted); display: flex; gap: 12px; flex-wrap: wrap; }
.card-body { padding: 0 14px 12px; border-top: 1px solid var(--line); }
.card-body[hidden] { display: none; }
.reason { padding: 10px 0; border-bottom: 1px dashed var(--line); }
.reason:last-child { border-bottom: 0; }
.reason-title { font-weight: 600; font-size: 14px; }
.reason p { font-size: 14px; color: var(--muted); margin: 4px 0 6px; }
.heads { margin: 0; padding-left: 0; list-style: none; font-size: 13px; }
.heads li { margin: 3px 0; }
.heads .src { color: var(--muted); }
.note { font-size: 13px; color: var(--muted); background: var(--surface-2); border-radius: 10px; padding: 8px 10px; margin: 10px 0 0; }

.up { color: var(--up); }
.down { color: var(--down); }
.mixed { color: var(--mixed); }

/* Wiadomości */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 12px; align-items: center; }
.filters select { flex: 1 1 150px; min-width: 0; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: none; padding: 8px 12px; min-height: 40px; cursor: pointer; color: var(--muted); font-size: 14px; }
.seg button.on { background: var(--accent); color: #05222f; font-weight: 600; }
select, .toggle {
  min-height: 40px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--text);
  padding: 0 10px; font: inherit; font-size: 14px;
}
.toggle { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.toggle input { width: 18px; height: 18px; accent-color: var(--accent); }

.news-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 10px; }
.news-meta { font-size: 12px; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.news-title { display: block; font-weight: 600; color: var(--text); line-height: 1.35; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip {
  font-size: 12px; padding: 3px 8px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap;
  background: color-mix(in srgb, currentColor 10%, transparent);
}
.theme { font-size: 12px; color: var(--muted); margin-top: 8px; }
details.why { margin-top: 6px; font-size: 13px; }
details.why summary { color: var(--accent); cursor: pointer; padding: 6px 0; list-style: none; min-height: 32px; }
details.why summary::-webkit-details-marker { display: none; }
details.why ul { margin: 0 0 4px; padding-left: 0; list-style: none; }
details.why li { margin: 6px 0; color: var(--muted); }
details.why li b { color: var(--text); font-weight: 600; }
.more { width: 100%; padding: 12px; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); cursor: pointer; margin: 4px 0 12px; }

/* Ceny */
.row { display: grid; grid-template-columns: 1fr auto 84px; gap: 4px 12px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px; margin-bottom: 8px; }
.row .nm { font-weight: 600; font-size: 15px; }
.row .sub { font-size: 12px; color: var(--muted); }
.row .px { text-align: right; font-variant-numeric: tabular-nums; }
.row .px b { display: block; font-size: 15px; }
.row .px span { font-size: 12px; }
.row svg { width: 84px; height: 28px; }
.row.bad { opacity: 0.55; grid-template-columns: 1fr auto; }

/* Pozostałe */
.box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-top: 14px; }
.box button { margin-top: 8px; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--accent); background: none; color: var(--accent); cursor: pointer; min-height: 44px; }
.disclaimer { font-size: 12.5px; color: var(--muted); border-left: 3px solid var(--mixed); padding: 6px 0 6px 12px; margin: 22px 0 8px; }
details.sources { margin: 8px 0 16px; font-size: 13px; color: var(--muted); }
details.sources summary { cursor: pointer; padding: 8px 0; min-height: 36px; }
details.sources li { margin: 4px 0; }
.empty { text-align: center; color: var(--muted); padding: 28px 8px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); margin: 6px 0 0; }

@media (prefers-reduced-motion: reduce) {
  .icon-btn.spin svg { animation: none; }
}