:root {
  color-scheme: dark;
  --bg: #0f1115;
  --card: #171b22;
  --text: #e8ecf1;
  --muted: #9aa3ad;
  --accent: #f5b14a;
  --border: #2a3140;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.site-header,
.site-footer {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.site-footer {
  border-top: 1px solid var(--border);
  border-bottom: none;
  color: var(--muted);
}

.tagline {
  color: var(--muted);
  margin: 0.25rem 0 0;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.25rem 1.5rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 1rem;
}

.hero-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.hero-gallery img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b0e14;
}

@media (max-width: 520px) {
  .hero-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

.boss-img {
  display: block;
  width: 100%;
  max-width: 420px;
  margin: 0 auto 0.85rem;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0b0e14;
}

.warn {
  color: #ffb4b4;
}

.muted {
  color: var(--muted);
  font-size: 0.95rem;
}

.banner {
  background: #1f2a3a;
  border: 1px solid #355070;
  color: #cfe3ff;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  margin-bottom: 0.75rem;
}

.scenario {
  white-space: pre-wrap;
  background: #121722;
  border: 1px dashed var(--border);
  padding: 0.75rem 0.85rem;
  border-radius: 8px;
  color: #dbe4ee;
}

.options {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
}

.opt-btn {
  text-align: left;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #121722;
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
  transition: border-color 0.15s, transform 0.05s;
}

.opt-btn:hover {
  border-color: var(--accent);
}

.opt-btn:active {
  transform: translateY(1px);
}

.primary,
.secondary {
  margin-top: 1rem;
  padding: 0.75rem 1.2rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 1rem;
  cursor: pointer;
}

.primary {
  background: linear-gradient(135deg, #f5b14a, #e48b28);
  color: #1a1206;
  font-weight: 600;
  border: none;
}

.secondary {
  background: transparent;
  color: var(--text);
}

.result-block {
  margin-top: 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
}

.sub-card {
  margin-top: 1rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border);
}

.advice {
  margin-top: 1rem;
  padding: 0.85rem;
  border-radius: 8px;
  background: #11151d;
  border: 1px solid var(--border);
}

h1,
h2,
h3,
h4 {
  line-height: 1.3;
}

h2 {
  margin-top: 0;
}