:root {
  --bg: #f5f6f8; --card: #ffffff; --text: #1d2330; --muted: #667085; --line: #e3e6eb;
  --accent: #1f6feb; --accent-text: #ffffff; --ok: #1a7f37; --warn: #9a6700; --err: #cf222e;
  --ok-bg: #e7f5ec; --warn-bg: #fff6dd; --err-bg: #fdecee; --chip: #eef1f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218; --card: #171b23; --text: #e6e9ef; --muted: #98a2b3; --line: #2a303b;
    --accent: #4c8dff; --accent-text: #0b0e13; --ok: #4ac26b; --warn: #e3b341; --err: #ff6b6b;
    --ok-bg: #12261a; --warn-bg: #2b2412; --err-bg: #2d1518; --chip: #222833;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.step { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: var(--accent-text); font-size: 13px; }
.muted { color: var(--muted); margin: 0; }
.small { font-size: 13px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 16px; }
.narrow { width: 100%; max-width: 360px; display: grid; gap: 12px; }
.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin: 8px 0 16px; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.wrap { flex-wrap: wrap; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.right { justify-content: flex-end; margin-top: 16px; }
label { display: grid; gap: 4px; font-size: 13px; font-weight: 600; }
input, select, button { font: inherit; color: inherit; }
input, select { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-weight: 400; min-width: 0; }
select[size] { padding: 4px; }
button { border-radius: 8px; padding: 8px 14px; border: 1px solid var(--line); background: var(--card); cursor: pointer; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
button.ghost:hover:not(:disabled) { border-color: var(--accent); }
button.mini { padding: 3px 8px; font-size: 12px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.span2 { grid-column: span 2; }
.span3 { grid-column: span 3; }
.hint { font-weight: 400; font-size: 12px; color: var(--muted); }
fieldset.emision { border: 1px solid var(--line); border-radius: 8px; display: grid; gap: 6px; }
label.radio { display: flex; gap: 8px; align-items: center; font-weight: 400; font-size: 14px; }
.drop { display: grid; gap: 4px; place-items: center; text-align: center; border: 2px dashed var(--line); border-radius: 12px; padding: 28px 16px; cursor: pointer; font-weight: 400; font-size: 15px; }
.drop.over { border-color: var(--accent); }
.info { margin-top: 12px; padding: 10px 12px; border-radius: 8px; background: var(--chip); font-size: 14px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.chip { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: var(--chip); white-space: nowrap; }
.chip.ok { background: var(--ok-bg); color: var(--ok); }
.chip.warn { background: var(--warn-bg); color: var(--warn); }
.chip.err { background: var(--err-bg); color: var(--err); }
.prov { display: grid; gap: 4px; min-width: 220px; }
.prov small { color: var(--muted); }
.sugs { display: grid; gap: 2px; }
.sugs button { text-align: left; padding: 4px 8px; font-size: 12px; }
.inline-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; margin-top: 6px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; }
.inline-form input, .inline-form select { padding: 5px 8px; font-size: 13px; }
.inline-form .full { grid-column: span 2; }
.error { color: var(--err); min-height: 1em; margin: 0; font-size: 14px; }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow: auto; font-size: 12px; max-height: 360px; }
.log { display: grid; gap: 4px; margin-top: 12px; font-size: 13px; }
.log div { padding: 6px 10px; border-radius: 6px; background: var(--chip); }
.log .ok { background: var(--ok-bg); } .log .warn { background: var(--warn-bg); } .log .err { background: var(--err-bg); }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; padding: 16px; z-index: 10; }
.modal-card { max-width: 520px; width: 100%; margin: 0; }
.modal-card ul { padding-left: 18px; }
[hidden] { display: none !important; }
@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  .span2, .span3 { grid-column: span 1; }
  .row-between { flex-direction: column; align-items: stretch; }
  .inline-form { grid-template-columns: 1fr; }
  .inline-form .full { grid-column: span 1; }
}