:root {
  --green: #10b981;
  --yellow: #f59e0b;
  --red: #ef4444;
  --bg: #f8f7f4;
  --card: #ffffff;
  --text: #232520;
  --muted: #4a5568;
  --border: #e5e2da;
  --accent: #1b4d3e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16201c;
    --card: #1f2b25;
    --text: #f2f1ed;
    --muted: #9aa5a1;
    --border: #2e3a34;
    --accent: #4fae8e;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  background: var(--bg);
  color: var(--text);
}
.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}
.hero { text-align: center; margin-bottom: 24px; }
.hero h1 { font-size: 1.5rem; margin-bottom: 8px; }
.hero p { color: var(--muted); font-size: 0.95rem; }
.scan-card, .result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}
select, button, textarea {
  font-size: 1rem;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
}
textarea { font-family: inherit; resize: vertical; }
.symptom-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: -4px 0 2px; }
.symptom-chip {
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  cursor: pointer;
}
.symptom-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.species-chips { margin: -4px 0 4px; }
.species-chip { font-size: 0.9rem; padding: 10px 14px; }
.affiliate-disclosure { font-size: 0.75rem; color: var(--muted); margin: -4px 0 0; }
.upload-drop {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 32px 16px;
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.upload-drop.drag-over {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.upload-hint { font-size: 0.8rem; color: var(--muted); }
.preview-list { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; justify-content: center; }
.preview-list img { width: 84px; height: 84px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
#scan-button {
  background: var(--accent);
  color: #fff;
  border: none;
  font-weight: 600;
  cursor: pointer;
}
#scan-button:disabled { opacity: 0.6; cursor: default; }
#scan-button.scanning { animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: 0.6; } }
.progress-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  width: 40%;
  background: var(--accent);
  border-radius: 2px;
  animation: progress-slide 1.1s ease-in-out infinite;
}
@keyframes progress-slide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}
@media (prefers-reduced-motion: reduce) {
  #scan-button.scanning { animation: none; }
  .progress-bar-fill { animation: none; width: 100%; }
}
.risk-badge {
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 700;
  text-align: center;
  color: #fff;
}
.risk-badge.green { background: var(--green); }
.risk-badge.yellow { background: var(--yellow); }
.risk-badge.red { background: var(--red); }
#vet-link {
  display: block;
  text-align: center;
  padding: 13px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
}
#vet-link.calm {
  border: 1px solid var(--border);
  color: var(--muted);
  background: transparent;
}
#vet-link.urgent {
  background: var(--red);
  color: #fff;
  border: none;
}
#result-steps { padding-left: 20px; }
#result-items { display: flex; flex-direction: column; gap: 8px; }
.item-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
}
.item-link-title { color: var(--accent); font-size: 0.9rem; font-weight: 700; }
.item-link-reason { color: var(--muted); font-size: 0.78rem; }
.disclaimer {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 24px;
  line-height: 1.5;
}
.error-message { color: var(--red); text-align: center; }
footer { text-align: center; margin-top: 16px; }
footer a { color: var(--muted); font-size: 0.8rem; }
.footer-links { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.policy h2 { font-size: 1.1rem; margin-top: 24px; }
.policy p { color: var(--muted); line-height: 1.6; }