:root {
  color-scheme: light dark;
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1a1d21;
  --muted: #5c6670;
  --accent: #0d7a4f;
  --accent-soft: #d8f3e7;
  --warn: #b45309;
  --warn-bg: #fff7ed;
  --border: #d8dee4;
  --danger: #b42318;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121417;
    --card: #1c2127;
    --text: #eef2f6;
    --muted: #9aa5b1;
    --accent: #3dd68c;
    --accent-soft: #163527;
    --warn: #fbbf24;
    --warn-bg: #2a2110;
    --border: #2f3842;
    --danger: #f87171;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

header {
  padding: 1rem 1.1rem 0.5rem;
}

h1 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

main {
  padding: 0 1rem 2rem;
  max-width: 560px;
  margin: 0 auto;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.alert {
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert-error {
  background: #fdecec;
  color: #7a1f1f;
  border: 1px solid #f5c2c2;
}

@media (prefers-color-scheme: dark) {
  .alert-error {
    background: #3a1414;
    color: #fecaca;
    border-color: #7f1d1d;
  }
}

.alert.hidden,
.hidden {
  display: none !important;
}

.capture-row {
  display: grid;
  gap: 0.6rem;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

#preview {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px dashed var(--border);
  background: var(--bg);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.loading {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.spinner {
  width: 1.1rem;
  height: 1.1rem;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

#list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.55rem;
  align-items: start;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}

.item:last-child {
  border-bottom: 0;
}

.item.uncertain {
  background: var(--warn-bg);
  margin: 0 -0.5rem;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  border-radius: 8px;
}

.item-check {
  margin-top: 0.35rem;
  width: 1.1rem;
  height: 1.1rem;
}

.item-fields {
  display: grid;
  gap: 0.35rem;
}

.item-name {
  width: 100%;
  font-size: 1rem;
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.item-meta {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.item-meta input {
  width: 4.5rem;
  padding: 0.3rem 0.45rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.item-meta .unit-input {
  width: 5.5rem;
}

.original {
  font-size: 0.8rem;
  color: var(--muted);
}

.badge-uncertain {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--warn);
  margin-left: 0.25rem;
}

.item-actions {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.icon-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 0.2rem;
  font-size: 1.1rem;
  line-height: 1;
}

.icon-btn.danger {
  color: var(--danger);
}

.empty-hint {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}