:root {
  --bg: #0b0f14;
  --card: #131a22;
  --accent: #f7931a;
  --text: #e8edf2;
  --muted: #8a97a5;
  --border: #23303c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

header {
  text-align: center;
  margin-bottom: 28px;
  position: relative;
}

.lang-switch {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-bottom: 8px;
}

.lang-btn {
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
  width: auto;
  margin-top: 0;
}

.lang-btn.active {
  color: var(--accent);
  border-color: var(--accent);
}

h1 {
  margin: 0;
}

.logo {
  height: 44px;
  width: auto;
}

.subtitle {
  color: var(--muted);
  margin-top: 4px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

label {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 14px;
  margin-bottom: 6px;
}

input[type="number"], select {
  width: 100%;
  padding: 10px 12px;
  background: #0e151c;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
}

.slider {
  width: 100%;
  margin-top: 10px;
  accent-color: var(--accent);
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--border);
  border-radius: 4px;
  outline: none;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 6px;
}

.best-value {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  padding: 10px 12px;
  background: rgba(247, 147, 26, 0.1);
  border: 1px solid var(--accent);
  border-radius: 8px;
  font-size: 0.85rem;
}

.best-value.hidden { display: none; }

.best-value button {
  width: auto;
  margin-top: 0;
  padding: 6px 14px;
  font-size: 0.85rem;
  flex-shrink: 0;
}

button {
  margin-top: 18px;
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: #14100a;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

button:hover { filter: brightness(1.08); }

.result {
  margin-top: 20px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.result.hidden { display: none; }
.result-row.hidden { display: none; }

.result-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
}

.result-row span { color: var(--muted); }

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -8px;
  padding: 0 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th { color: var(--muted); font-weight: 500; cursor: pointer; user-select: none; }
th:hover { color: var(--text); }
th.sorted { color: var(--accent); }

/* przyklejona kolumna z nazwą modelu, żeby przy scrollu wiadomo było co się czyta */
th:first-child, td:first-child {
  position: sticky;
  left: 0;
  background: var(--card);
  z-index: 1;
}

tr.no-fit td {
  opacity: 0.4;
}

@media (max-width: 600px) {
  .wrap { padding: 20px 12px 48px; }
  .card { padding: 16px 12px; }
  table { font-size: 0.8rem; }
  th, td { padding: 7px 5px; }
}

.units {
  color: var(--accent);
  font-weight: 600;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: 24px;
}

footer a { color: var(--accent); }