:root {
  color-scheme: light dark;
  --tlo: #0f1419;
  --tlo-karty: #1a222d;
  --tekst: #e8eef5;
  --tekst-drugi: #9fb0c3;
  --akcent: #5eead4;
  --akcent-ciemny: #0d9488;
  --obramowanie: #2a3544;
  --blad: #fca5a5;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --tlo: #f4f6f9;
    --tlo-karty: #ffffff;
    --tekst: #111827;
    --tekst-drugi: #4b5563;
    --akcent: #0d9488;
    --akcent-ciemny: #0f766e;
    --obramowanie: #e5e7eb;
    --blad: #b91c1c;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, #1f2937 0, transparent 45%),
    radial-gradient(circle at 80% 0%, #134e4a 0, transparent 40%), var(--tlo);
  color: var(--tekst);
  line-height: 1.5;
}

.kontener {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.naglowek {
  margin-bottom: 1.75rem;
}

.naglowek h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
}

.podtytul {
  margin: 0;
  color: var(--tekst-drugi);
}

.karta {
  background: color-mix(in srgb, var(--tlo-karty) 92%, transparent);
  border: 1px solid var(--obramowanie);
  border-radius: 14px;
  padding: 1.25rem 1.35rem 1.5rem;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(6px);
}

.karta h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

.formularz {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.etykieta {
  font-weight: 600;
  font-size: 0.9rem;
}

input,
textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--obramowanie);
  background: color-mix(in srgb, var(--tlo) 35%, var(--tlo-karty));
  color: var(--tekst);
  font: inherit;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--akcent);
  outline-offset: 1px;
}

.przycisk {
  align-self: flex-start;
  margin-top: 0.35rem;
  padding: 0.55rem 1.15rem;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--akcent), var(--akcent-ciemny));
  color: #042f2e;
  font-weight: 700;
  cursor: pointer;
}

.przycisk:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.komunikat {
  min-height: 1.25rem;
  margin: 0;
  font-size: 0.9rem;
  color: var(--tekst-drugi);
}

.komunikat--blad {
  color: var(--blad);
}

.lista-wpisow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.wpis {
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--obramowanie);
  background: color-mix(in srgb, var(--tlo-karty) 88%, transparent);
}

.wpis__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  margin-bottom: 0.45rem;
  font-size: 0.85rem;
  color: var(--tekst-drugi);
}

.wpis__nazwa {
  font-weight: 700;
  color: var(--tekst);
}

.wpis__tresc {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.pustka {
  margin: 0;
  color: var(--tekst-drugi);
}