:root {
  --bg: #f6f7f9; --card: #fff; --ink: #1f2933; --ink2: #5b6573; --line: #e3e7ec;
  --green: #1f7a5c; --green-bg: #eef7f2; --red: #b42318; --red-bg: #fdecea;
  --amber: #8a5a00; --amber-bg: #fff6e0; --accent: #ea1d2c;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Arial, sans-serif; }
.wrap { max-width: 920px; margin: 0 auto; padding: 28px 16px 60px; }
.kicker { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); font-weight: 700; }
h1 { font-size: 28px; line-height: 1.2; margin: 4px 0 6px; letter-spacing: -.01em; }
.lead { margin: 0; color: var(--ink2); }
.steps { margin: 18px 0; padding: 14px 18px 14px 36px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; color: var(--ink2); }
.steps li { margin: 3px 0; }
.drop { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 30px 16px; border: 2px dashed #c3cad3;
  border-radius: 12px; background: var(--card); cursor: pointer; text-align: center; transition: border-color .15s, background .15s; }
.drop:hover, .drop.over { border-color: var(--accent); background: #fff7f7; }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.drop-t { font-size: 17px; font-weight: 600; }
.drop-s { font-size: 13px; color: var(--ink2); }
.status { min-height: 1.5em; color: var(--ink2); font-size: 14px; margin: 10px 2px; }
.erro { background: var(--red-bg); color: var(--red); border-radius: 8px; padding: 10px 14px; font-weight: 600; }
.acoes { display: flex; gap: 8px; margin: 4px 0 14px; }
.btn { font: inherit; font-size: 14px; font-weight: 600; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--ink); background: var(--ink); color: #fff; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--ink); border-color: #c3cad3; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 18px 12px; margin-bottom: 16px; box-shadow: 0 1px 2px rgba(16,24,40,.04); }
.card-h { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 12px; margin-bottom: 12px; }
.card-h h2 { margin: 0; font-size: 20px; }
.pill { font-size: 12px; color: var(--ink2); background: #f0f2f5; border-radius: 99px; padding: 3px 10px; }
h3 { font-size: 14px; margin: 0 0 8px; }
.outras { background: var(--green-bg); border-radius: 10px; padding: 12px 14px; }
.vrow { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; padding: 8px 0; border-top: 1px solid rgba(31,122,92,.15); }
.outras h3 + .vrow { border-top: none; }
.vt { font-weight: 600; }
.vh { font-size: 12px; color: var(--ink2); }
.vval { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 17px; white-space: nowrap; }
.vrow.main .vval { font-size: 22px; color: var(--green); }
.copy { font: inherit; font-size: 12px; padding: 4px 9px; border-radius: 6px; border: 1px solid #b9d7c9; background: #fff; color: var(--green); cursor: pointer; min-width: 74px; }
.parts { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 13px; color: var(--ink2); padding: 0 0 8px; }
.parts b { color: var(--ink); font-variant-numeric: tabular-nums; }
.sub { margin-top: 14px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
.tbl th { text-align: left; font-size: 12px; color: var(--ink2); font-weight: 600; border-bottom: 1px solid var(--line); padding: 6px 8px; }
.tbl td { padding: 6px 8px; border-bottom: 1px solid #f0f2f5; }
.tbl .r { text-align: right; }
.tbl tr.tot td { font-weight: 700; border-bottom: none; }
.tbl.small { font-size: 13px; }
.tbl tr.muted td { color: #9aa3ae; }
.note { font-size: 12px; color: var(--ink2); margin: 6px 0 0; }
.alert { margin-top: 14px; background: var(--red-bg); border-radius: 10px; padding: 12px 14px; }
.alert h3 { color: var(--red); }
.alert p { margin: 0 0 8px; font-size: 14px; }
.alert .tbl td { border-bottom-color: rgba(180,35,24,.12); }
.warn { margin-top: 12px; background: var(--amber-bg); color: var(--amber); border-radius: 10px; padding: 10px 14px; font-size: 13px; }
.warn p { margin: 0; }
.foot { margin-top: 14px; font-size: 13px; color: var(--ink2); }
.foot b { color: var(--ink); }
.det { margin-top: 10px; }
.det summary { cursor: pointer; color: var(--ink2); font-size: 13px; padding: 6px 0; }
.scroll { overflow-x: auto; }
.como { margin-top: 22px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; }
.como summary { cursor: pointer; font-weight: 600; }
.como-b { font-size: 14px; color: var(--ink2); }
.formula { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; background: #f3f4f6; padding: 8px 10px; border-radius: 6px; color: var(--ink); }
.muted-t { color: var(--red); font-weight: 600; }
@media (max-width: 560px) {
  h1 { font-size: 23px; }
  .vrow { grid-template-columns: 1fr auto; }
  .vrow .copy, .vrow > span:last-child { grid-column: 1 / -1; justify-self: start; }
  .vrow.main .vval { font-size: 20px; }
}