/* Tokens: contraste do texto ≥ 4.5:1 nos dois temas. */
:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1b1f24;
  --muted: #4d5560;
  --border: #d5dae1;
  --accent: #0b5cad;
  --accent-text: #ffffff;
  --ok-bg: #e6f4ea;
  --ok-text: #1d5b2c;
  --warn-bg: #fdf3dc;
  --warn-text: #6b4a00;
  --error-bg: #fce8e8;
  --error-text: #8a1c1c;
  --code-bg: #eef1f5;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --surface: #171b21;
    --text: #e8ebef;
    --muted: #a7b0bc;
    --border: #2c333d;
    --accent: #7ab4f5;
    --accent-text: #0f1216;
    --ok-bg: #14301d;
    --ok-text: #a5e3b5;
    --warn-bg: #3a2d0b;
    --warn-text: #f3d48a;
    --error-bg: #3d1616;
    --error-text: #f5b3b3;
    --code-bg: #20262e;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.page-header,
main,
.page-footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

.page-header {
  padding-top: 32px;
}

h1 {
  margin: 0 0 8px;
  font-size: 2rem;
}

h2 {
  margin: 0 0 16px;
  font-size: 1.25rem;
}

h3 {
  margin: 20px 0 8px;
  font-size: 1rem;
}

.lead {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.status,
.hint {
  color: var(--muted);
  font-size: 0.9rem;
}

.status {
  margin: 0 0 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: 0.9rem/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  resize: vertical;
}

button,
.chips button {
  font: inherit;
  cursor: pointer;
  border-radius: 8px;
}

.actions {
  margin-top: 10px;
}

.actions button {
  background: var(--accent);
  color: var(--accent-text);
  border: 0;
  padding: 8px 16px;
  font-weight: 600;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.examples {
  margin-top: 20px;
}

.examples p {
  margin: 0 0 8px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chips button {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 12px;
  font-size: 0.9rem;
}

.chips button:hover:not(:disabled) {
  border-color: var(--accent);
}

.photo {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.photo-title {
  font-weight: 600;
  margin: 0 0 10px;
}

.camera {
  margin-bottom: 16px;
}

.camera .hint {
  margin: 6px 0 0;
}

button.secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  padding: 6px 14px;
  font-weight: 600;
}

.camera-panel {
  margin-top: 12px;
}

.camera-panel video {
  display: block;
  width: 100%;
  max-height: 60vh;
  object-fit: cover;
  background: #000;
  border-radius: 8px;
  margin-bottom: 10px;
}

.photo input {
  max-width: 100%;
}

.photo .hint {
  margin: 6px 0 0;
}

.verdict {
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 8px;
}

.verdict p {
  margin: 0;
}

.verdict ul + p {
  margin-top: 8px;
}

.verdict p + p {
  margin-top: 8px;
}

.verdict ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.verdict.ok {
  background: var(--ok-bg);
  color: var(--ok-text);
}

.verdict.warn {
  background: var(--warn-bg);
  color: var(--warn-text);
}

.verdict.error {
  background: var(--error-bg);
  color: var(--error-text);
}

dl {
  display: grid;
  grid-template-columns: minmax(120px, max-content) 1fr;
  gap: 6px 16px;
  margin: 0;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.table-wrap {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9rem;
}

th,
td {
  text-align: right;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

td .vat {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
}

thead th {
  color: var(--muted);
  font-weight: 600;
}

.raw {
  margin-top: 20px;
}

.raw summary {
  cursor: pointer;
  color: var(--accent);
}

pre,
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

pre {
  background: var(--code-bg);
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  font-size: 0.85rem;
}

code {
  background: var(--code-bg);
  border-radius: 4px;
  padding: 1px 5px;
}

a {
  color: var(--accent);
}

.page-footer {
  padding-bottom: 32px;
}