:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --danger: #f87171;
  --success: #4ade80;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

header h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.subtitle {
  color: var(--muted);
  margin-top: 0;
  font-size: 0.95rem;
}

.upload-box {
  margin-top: 28px;
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 40px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  background: var(--panel);
}

.upload-box:hover,
.upload-box.dragover {
  border-color: var(--accent);
  background: #1e2b45;
}

.upload-box p { margin: 4px 0; }
.hint { color: var(--muted); font-size: 0.85rem; }

#preview {
  max-width: 100%;
  max-height: 320px;
  border-radius: 8px;
}

.primary-btn {
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 14px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  transition: background 0.15s;
}

.primary-btn:hover:not(:disabled) { background: var(--accent-hover); }
.primary-btn:disabled { background: #334155; color: var(--muted); cursor: not-allowed; }

.result-box {
  margin-top: 28px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.result-box h2 {
  margin-top: 0;
  font-size: 1.05rem;
}

#reportText {
  line-height: 1.6;
  white-space: pre-wrap;
}

.button-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.secondary-btn {
  flex: 1;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 0.95rem;
  transition: border-color 0.15s, background 0.15s;
}

.secondary-btn:hover:not(:disabled) {
  border-color: var(--accent);
  background: #1e2b45;
}

.secondary-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.inquiry-status {
  margin: 10px 0 0;
  font-size: 0.85rem;
  color: var(--success);
  min-height: 1.2em;
}

.inquiry-status.error { color: var(--danger); }

.error-text {
  margin-top: 16px;
  color: var(--danger);
  font-size: 0.9rem;
}