@media (max-width: 480px) { header{padding:20px 16px 6px;} header h1{font-size:1.4rem;} main{padding:16px;} .question-card{padding:18px;} .grid{gap:12px;} } :root {
  --bg: #0f1115;
  --card: #171a21;
  --border: #2a2e38;
  --text: #e8eaed;
  --muted: #9aa0ab;
  --accent: #6c8cff;
  --accent-hover: #557aff;
  --good: #35c26b;
  --bad: #ff5c5c;
  --radius: 14px;
}

* { box-sizing: border-box; }

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

header {
  padding: 28px 24px 8px;
  text-align: center;
}

header h1 {
  margin: 0 0 6px;
  font-size: 1.7rem;
}

header p {
  color: var(--muted);
  margin: 0;
  max-width: 560px;
  margin-inline: auto;
  font-size: 0.95rem;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

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

.card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 12px;
  background: #20242e;
}

.card h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 14px;
}

.price {
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 14px;
}

input[type="email"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #10131a;
  color: var(--text);
  margin-bottom: 10px;
  font-size: 0.9rem;
}

button {
  width: 100%;
  padding: 11px 14px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.notice {
  background: #1c2333;
  border: 1px solid #2f3a55;
  color: #b7c3ff;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.notice.error { background: #331c1c; border-color: #553030; color: #ffb3b3; }
.notice.success { background: #16301f; border-color: #245c37; color: #a4f0bb; }

.question-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.question-card h2 {
  margin-top: 0;
  font-size: 1.2rem;
}

.options { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; }

.option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  background: #10131a;
}

.option:hover { border-color: var(--accent); }
.option input { accent-color: var(--accent); }

.attempts {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.download-box {
  text-align: center;
  padding: 10px 0;
}

.download-box a.button-link {
  display: inline-block;
  margin-top: 12px;
  padding: 12px 22px;
  background: var(--good);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 30px 20px 40px;
}