:root {
  --bg: #0b0f14;
  --card: #121925;
  --panel: #0f1622;
  --text: #e9eef5;
  --muted: #a8b3c3;
  --border: #243247;
  --accent: #4aa3ff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #11213a, var(--bg));
  color: var(--text);
}

.wrap { max-width: 980px; margin: 0 auto; padding: 16px; }

.topbar {
  position: sticky; top: 0;
  background: rgba(11, 15, 20, 0.85);
  border-bottom: 1px solid rgba(36, 50, 71, 0.6);
  backdrop-filter: blur(10px);
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
}
.brand { font-weight: 700; letter-spacing: 0.2px; }
.me { display: flex; align-items: center; gap: 10px; }
.me__name { color: var(--muted); }

.card {
  background: rgba(18, 25, 37, 0.9);
  border: 1px solid rgba(36, 50, 71, 0.8);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  margin-top: 16px;
}

.card.inner { margin-top: 12px; }

.hidden { display: none; }

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 860px) {
  .grid { grid-template-columns: 1fr 1fr; }
}

.panel {
  background: rgba(15, 22, 34, 0.9);
  border: 1px solid rgba(36, 50, 71, 0.7);
  border-radius: 14px;
  padding: 14px;
}

h1 { margin: 0 0 10px; font-size: 22px; }
h2 { margin: 0 0 8px; font-size: 16px; color: var(--muted); font-weight: 650; }

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

.input, .textarea {
  width: min(560px, 100%);
  background: rgba(11, 15, 20, 0.55);
  border: 1px solid rgba(36, 50, 71, 0.9);
  border-radius: 12px;
  padding: 12px 12px;
  color: var(--text);
  outline: none;
}
.textarea { width: 100%; max-width: 100%; resize: vertical; }

.btn {
  border: 1px solid rgba(36, 50, 71, 0.9);
  background: linear-gradient(180deg, rgba(74,163,255,0.25), rgba(74,163,255,0.10));
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 650;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn--ghost {
  background: transparent;
  border: 1px solid rgba(36, 50, 71, 0.8);
  color: var(--muted);
}

.muted { color: var(--muted); }
.status { min-height: 20px; margin-top: 8px; color: var(--muted); }
.big { font-size: 18px; font-weight: 700; }
.bigWord { font-size: 34px; font-weight: 800; margin: 6px 0 8px; }

.quizHeader { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }

.quizCard {
  margin-top: 10px;
  background: rgba(15, 22, 34, 0.9);
  border: 1px solid rgba(36, 50, 71, 0.7);
  border-radius: 14px;
  padding: 14px;
}

.label { color: var(--muted); font-size: 12px; letter-spacing: 0.6px; text-transform: uppercase; }

.breakdown { margin-top: 12px; display: grid; gap: 8px; }
.item {
  border: 1px solid rgba(36, 50, 71, 0.7);
  background: rgba(15, 22, 34, 0.7);
  border-radius: 12px;
  padding: 10px;
}
.item strong { display: inline-block; min-width: 120px; }

.history { margin-top: 10px; display: grid; gap: 8px; }
.histRow {
  display: flex; justify-content: space-between; gap: 10px; align-items: center;
  border: 1px solid rgba(36, 50, 71, 0.7);
  background: rgba(15, 22, 34, 0.7);
  border-radius: 12px;
  padding: 10px;
}
.linkBtn {
  background: transparent;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-weight: 700;
  padding: 6px 0;
}

.footer { margin-top: 18px; font-size: 12px; }