* {
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #111827, #020617);
  color: #e5e7eb;
}

.page {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
}

.glass-card {
  width: 100%;
  max-width: 720px;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.08),
    rgba(255,255,255,0.02)
  );
  backdrop-filter: blur(14px);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  text-align: center;
}

.glass-card h1 {
  margin-top: 0;
  font-size: 32px;
}

.subtitle {
  color: #94a3b8;
  margin-bottom: 24px;
}

.input-row {
  display: flex;
  gap: 12px;
}

input {
  flex: 1;
  padding: 14px;
  border-radius: 12px;
  border: none;
  background: #020617;
  color: #e5e7eb;
  font-size: 15px;
}

button {
  padding: 14px 20px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #22d3ee, #3b82f6);
  color: #020617;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

.answer-box {
  margin-top: 20px;
  text-align: left;
  min-height: 40px;
}

.categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  max-width: 900px;
  width: 100%;
  margin-top: 40px;
}

.cat {
  padding: 18px;
  border-radius: 16px;
  background: rgba(255,255,255,0.05);
  text-align: center;
  font-weight: 500;
}

footer {
  margin-top: 50px;
  text-align: center;
  color: #64748b;
  font-size: 13px;
}