:root {
  --bg: #faf7f2;
  --card: #ffffff;
  --ink: #1c1917;
  --muted: #78716c;
  --accent: #b45309;
  --accent-ink: #ffffff;
  --warn-bg: #fef3c7;
  --warn-border: #d97706;
  --error: #b91c1c;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171412;
    --card: #24211e;
    --ink: #f5f0ea;
    --muted: #a8a29e;
    --accent: #f59e0b;
    --accent-ink: #1c1917;
    --warn-bg: #3b2f14;
    --warn-border: #f59e0b;
    --error: #f87171;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100dvh;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(env(safe-area-inset-top), 12px) 20px 12px;
}
h1 { font-size: 1.15rem; margin: 0; letter-spacing: 0.01em; }
.health { color: var(--muted); font-size: 0.9rem; }
.health.ok { color: #16a34a; }
.health.down { color: var(--error); }

main { max-width: 900px; margin: 0 auto; padding: 8px 16px 32px; }

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 56px 24px;
  background: var(--card);
  border: 2px dashed var(--muted);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: center;
  color: var(--ink);
  transition: border-color 0.15s ease;
}
.dropzone:active, .dropzone:focus-visible { border-color: var(--accent); outline: none; }
.dropzone svg { color: var(--accent); }
.hint { color: var(--muted); font-size: 0.9rem; }

button {
  display: block;
  width: 100%;
  margin-top: 14px;
  padding: 14px 18px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}
button.secondary {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
button:disabled { opacity: 0.5; cursor: default; }

.error { color: var(--error); }

#busy-view { text-align: center; padding: 64px 0; }
.spinner {
  width: 44px; height: 44px;
  margin: 0 auto 16px;
  border: 4px solid var(--muted);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.review-grid { display: grid; gap: 20px; }
@media (min-width: 720px) {
  .review-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: start; }
}
figure { margin: 0; }
#card-preview {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
}
figcaption { color: var(--muted); font-size: 0.85rem; margin-top: 6px; }

#fields-form { display: grid; gap: 10px; }
.field label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 3px;
}
.field input {
  width: 100%;
  padding: 10px 12px;
  font-size: 1rem;
  color: var(--ink);
  background: var(--card);
  border: 1.5px solid transparent;
  border-radius: 10px;
}
.field input:focus { border-color: var(--accent); outline: none; }
/* Unsichere Felder farblich hervorgehoben (M5) */
.field.uncertain input {
  background: var(--warn-bg);
  border-color: var(--warn-border);
}
.field.uncertain label::after { content: " ⚠ unsicher"; color: var(--warn-border); text-transform: none; }

.warnings {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--warn-bg);
  border-left: 4px solid var(--warn-border);
  border-radius: 8px;
  font-size: 0.9rem;
}
.warnings ul { margin: 0; padding-left: 18px; }

details { margin-top: 16px; color: var(--muted); }
details pre {
  white-space: pre-wrap;
  background: var(--card);
  padding: 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  overflow-x: auto;
}
.timing { color: var(--muted); font-size: 0.8rem; margin-top: 12px; }
.actions { margin-top: 8px; }