:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --primary: #1a4d8f;
  --primary-dark: #0f3866;
  --ok: #2a9d4a;
  --bad: #c93636;
  --warn: #d27e00;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e1e4ea;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

h1 { margin: 0 0 8px; font-size: 1.6rem; }
h2 { margin: 0 0 12px; font-size: 1.25rem; }
.muted { color: var(--muted); font-size: 0.9rem; }

label { display: block; font-weight: 600; margin: 12px 0 4px; font-size: 0.95rem; }
input[type=text], input[type=password], input[type=number], select {
  width: 100%;
  padding: 10px 12px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}
input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,77,143,0.15); }

button {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 12px;
}
button:hover { background: var(--primary-dark); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }

.error {
  background: #fde7e7;
  color: var(--bad);
  border: 1px solid #f3b8b8;
  padding: 10px;
  border-radius: 8px;
  margin: 12px 0;
}

.timer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.05em;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}
body.test-active { padding-top: 56px; }
.timer.warn { color: var(--warn); }
.timer.crit { color: var(--bad); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: 0.5; } }

.progress {
  background: var(--border);
  height: 6px;
  border-radius: 3px;
  margin-top: 8px;
  overflow: hidden;
}
.progress > div {
  background: var(--primary);
  height: 100%;
  transition: width 0.3s;
}

.pytanie {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 12px;
  background: #fff;
}
.pytanie .nr { font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; }
.pytanie .tag {
  display: inline-block;
  font-size: 0.75rem;
  background: #eef3fb;
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.pytanie .tresc {
  font-size: 1.05rem;
  margin-bottom: 12px;
}
.pytanie input { font-family: ui-monospace, "SF Mono", Consolas, monospace; }

.szczegol {
  border-left: 4px solid var(--ok);
  background: #f0f9f3;
  padding: 12px 14px;
  margin-bottom: 8px;
  border-radius: 0 8px 8px 0;
}
.szczegol.bad { border-left-color: var(--bad); background: #fdf3f3; }
.szczegol.skip { border-left-color: var(--muted); background: #f5f6f8; }
.szczegol .answer { font-family: monospace; }

.score-big {
  font-size: 3rem;
  font-weight: 700;
  text-align: center;
  margin: 16px 0;
}
.score-big.bad { color: var(--bad); }
.score-big.ok  { color: var(--ok); }
.score-big.mid { color: var(--warn); }

table { width: 100%; border-collapse: collapse; margin-top: 12px; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { background: #f8f9fb; }

.row { display: flex; gap: 8px; align-items: center; }
.row > * { flex: 1; }