:root {
  --bg: #f6f7f9; --surface: #ffffff; --text: #1b1f24; --muted: #5b6573; --line: #dde2e8;
  --accent: #0b6e4f; --accent-text: #ffffff; --warn-bg: #fff4e5; --warn: #8a4b00; --err: #b42318;
  --radius: 12px; --font: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111418; --surface: #1a1f25; --text: #e8ecf1; --muted: #9aa5b1; --line: #2c333b;
    --accent: #3fb68b; --accent-text: #0b1210; --warn-bg: #3a2a12; --warn: #f5c27a; --err: #ff8a80;
  }
}
:root[data-theme="dark"] {
  --bg: #111418; --surface: #1a1f25; --text: #e8ecf1; --muted: #9aa5b1; --line: #2c333b;
  --accent: #3fb68b; --accent-text: #0b1210; --warn-bg: #3a2a12; --warn: #f5c27a; --err: #ff8a80;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 var(--font); overflow-wrap: break-word; }
.top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
       max-width: 960px; margin: 0 auto; padding: 24px 16px 8px; }
.brand h1 { margin: 0; font-size: 1.6rem; }
.brand p { margin: 2px 0 0; color: var(--muted); }
.pill { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 6px 14px;
        font-size: .9rem; max-width: 100%; }
.pill.ok { border-color: var(--accent); }
.pill.bad { border-color: var(--err); color: var(--err); }
main { max-width: 960px; margin: 0 auto; padding: 8px 16px 24px; display: grid; gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; min-width: 0; }
.card h2 { margin: 0 0 12px; font-size: 1.15rem; }
.drop { display: grid; gap: 4px; place-items: center; text-align: center; padding: 32px 16px; cursor: pointer;
        border: 2px dashed var(--line); border-radius: var(--radius); }
.drop.over, .drop:focus { border-color: var(--accent); outline: none; }
.drop span { color: var(--muted); font-size: .92rem; }
.filename { color: var(--text) !important; font-weight: 600; }
.options { display: grid; gap: 8px; margin: 16px 0; }
button, .button { font: inherit; border-radius: 8px; padding: 10px 20px; border: 1px solid var(--line);
                  background: var(--surface); color: var(--text); cursor: pointer; text-decoration: none;
                  display: inline-block; }
.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button:disabled { opacity: .5; cursor: not-allowed; }
.steps { margin: 0 0 12px; padding-left: 20px; }
.steps li { color: var(--muted); }
.steps li.active { color: var(--text); font-weight: 600; }
.steps li.done { color: var(--accent); }
.bar { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; }
#bar-fill { height: 100%; width: 0; background: var(--accent); transition: width .3s; }
.muted { color: var(--muted); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; vertical-align: top; padding: 8px; border-bottom: 1px solid var(--line); }
td.flags { color: var(--warn); }
.note { background: var(--warn-bg); color: var(--warn); border-radius: 8px; padding: 8px 12px; margin: 12px 0 0; }
.error { border-color: var(--err); }
.error h2, .error p { color: var(--err); }
.error .detail { color: var(--muted); font-size: .85rem; }
footer { max-width: 960px; margin: 0 auto; padding: 0 16px 32px; color: var(--muted); font-size: .85rem; }
dialog { max-width: 560px; width: calc(100% - 32px); border: 1px solid var(--line); border-radius: var(--radius);
         background: var(--surface); color: var(--text); padding: 24px; }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
dialog li { margin-bottom: 8px; }
.agree { display: block; margin: 16px 0; font-weight: 600; }
td, .note, #summary { overflow-wrap: break-word; }
.pill { overflow-wrap: break-word; }
@media (max-width: 640px) {
  .top { padding: 16px 16px 8px; }
  .pill { width: 100%; border-radius: 16px; text-align: center; }
  .card { padding: 16px; }
  .table-wrap { overflow-x: visible; }
  table, tbody, tr, td { display: block; width: 100%; }
  thead { display: none; }
  tr { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 12px; padding: 4px 0; }
  td { border-bottom: 0; padding: 6px 12px; overflow-wrap: break-word; word-break: normal; }
  td::before { content: attr(data-label); display: block; font-size: .78rem; color: var(--muted); }
  td[data-label="Ghi chú"] { overflow-wrap: break-word; }
}