:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1b1f27;
  --muted: #5d6675;
  --accent: #1d5fd1;
  --on-accent: #ffffff;
  --border: #dde1e8;
  --soon: #8a93a3;
  --error: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --card: #1b2029;
    --text: #e8ebf1;
    --muted: #9aa4b5;
    --accent: #6ea2ff;
    --on-accent: #0c1220;
    --border: #2b3240;
    --soon: #6f7a8c;
    --error: #ff8a80;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { flex: 1; width: 100%; max-width: 960px; margin: 0 auto; padding: 32px 16px; }
main.waski { max-width: 440px; }
header h1 { margin: 0 0 4px; font-size: 2rem; }
header p { margin: 0 0 24px; color: var(--muted); }
.naglowek { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; align-items: flex-start; }
.konto { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .9rem; }
.konto button, button.drugi {
  padding: 6px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: transparent; color: var(--text); font: inherit; cursor: pointer;
}
.konto button:hover, button.drugi:hover { border-color: var(--accent); }
.kafelki {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.kafelek {
  display: flex; flex-direction: column; gap: 6px; height: 100%;
  padding: 20px; border: 1px solid var(--border); border-radius: 12px;
  background: var(--card); color: inherit; text-decoration: none;
}
a.kafelek:hover, a.kafelek:focus-visible { border-color: var(--accent); outline: none; box-shadow: 0 0 0 2px var(--accent); }
.kafelek .ikona { font-size: 2rem; line-height: 1; }
.kafelek h2 { margin: 4px 0 0; font-size: 1.15rem; }
.kafelek p { margin: 0; color: var(--muted); font-size: .95rem; }
.kafelek .znacznik { margin-top: auto; padding-top: 8px; font-size: .8rem; color: var(--soon); }
.kafelek.soon { opacity: .7; }
.karta {
  display: flex; flex-direction: column; gap: 12px;
  padding: 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--card);
}
.karta p { margin: 0; color: var(--muted); }
.karta label { font-weight: 600; }
.karta input {
  width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); font: inherit;
}
.karta input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.karta button[type="submit"] {
  padding: 12px; border: 0; border-radius: 8px;
  background: var(--accent); color: var(--on-accent); font: inherit; font-weight: 600; cursor: pointer;
}
.karta button[disabled] { opacity: .6; cursor: default; }
.komunikat { min-height: 1.5em; margin: 16px 0 0; color: var(--muted); }
.komunikat.blad { color: var(--error); }
footer { padding: 16px; text-align: center; color: var(--muted); }