/* Simple, clean styling (no frameworks) */
:root {
  --bg: #0b1220;
  --card: #101a33;
  --text: #e9eefc;
  --muted: #a7b4d6;
  --border: rgba(255,255,255,0.10);
  --primary: #4f7cff;
  --danger: #ff4f63;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% 0%, #152652 0%, var(--bg) 60%);
  color: var(--text);
  line-height: 1.45;
}

code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.15);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { font-weight: 700; letter-spacing: .2px; }
.container { max-width: 980px; margin: 22px auto; padding: 0 16px; }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.03));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

h1 { margin: 0 0 10px; font-size: 24px; }
h2 { margin: 18px 0 10px; font-size: 18px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.tiny { font-size: 12px; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
  margin: 14px 0;
}
@media (max-width: 820px) {
  .grid { grid-template-columns: 1fr; }
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-size: 13px; color: var(--muted); }
.field small { font-size: 12px; }
.field input, .field select {
  padding: 10px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  outline: none;
}
.field input:focus, .field select:focus { border-color: rgba(79,124,255,0.7); }

.field.compact { width: 160px; }

.row { display: flex; gap: 10px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.spacer { flex: 1; }

button {
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
}
button.primary { background: rgba(79,124,255,0.22); border-color: rgba(79,124,255,0.65); }
button.danger  { background: rgba(255,79,99,0.18); border-color: rgba(255,79,99,0.6); }
button.ghost   { background: rgba(0,0,0,0.10); }

.notice {
  margin-top: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.20);
  padding: 12px;
  border-radius: 10px;
}

.examHeader {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 12px;
}
.kicker { font-size: 13px; color: var(--muted); }
.titleLine { display: flex; gap: 12px; align-items: baseline; }
.progress { font-weight: 650; }
.timer { font-variant-numeric: tabular-nums; color: var(--muted); }

.questionBlock { padding: 6px 0 10px; }
.qText { font-size: 18px; white-space: pre-wrap; }
.qImage {
  margin-top: 10px;
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.options { display: grid; gap: 8px; margin: 12px 0; }
.option {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.14);
}
.option input { margin-top: 3px; }
.option label { cursor: pointer; flex: 1; }

.navRow { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 820px) {
  .summary { grid-template-columns: 1fr; }
}

.kpi {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(0,0,0,0.18);
}
.kpi .big { font-size: 34px; font-weight: 800; }
.kpi .label { color: var(--muted); font-size: 13px; }

.review {
  display: grid;
  gap: 12px;
}
.reviewItem {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(0,0,0,0.18);
}
.badge {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  margin-right: 8px;
  color: var(--muted);
}
.badge.ok { border-color: rgba(79,255,179,0.5); color: rgba(79,255,179,0.9); }
.badge.no { border-color: rgba(255,79,99,0.55); color: rgba(255,79,99,0.92); }
.footer { text-align: center; padding: 22px 10px; }