/* ============================================================
 * Wspólne style dla wszystkich wariantów (reset, typografia, primitives)
 * ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text, #111);
  background: var(--bg, #fafafa);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

a { color: inherit; }

img { max-width: 100%; display: block; }

table {
  border-collapse: collapse;
  width: 100%;
}

/* Pomocnicze klasy używane gdzieniegdzie */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.grow { flex: 1 1 auto; min-width: 0; min-height: 0; }
.center { display: flex; align-items: center; justify-content: center; }
.between { display: flex; align-items: center; justify-content: space-between; }
.hidden { display: none !important; }

/* Toast (proste powiadomienia) */
.toast-stack {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 10000;
  pointer-events: none;
}
.toast {
  background: #111;
  color: #fff;
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  min-width: 240px;
  max-width: 360px;
  font-size: 14px;
  pointer-events: auto;
  animation: toastIn .18s ease-out;
}
.toast.error { background: #c1272d; }
.toast.success { background: #15803d; }
.toast.warn { background: #b45309; }
@keyframes toastIn {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Modal backdrop (wspólny) */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  animation: fadeIn .15s ease-out;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Loading spinner */
.spinner {
  width: 22px; height: 22px;
  border: 3px solid rgba(0,0,0,0.1);
  border-top-color: #555;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }