:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #222121;
  --muted: #5e5c57;
  --line: #e6e1d6;
  --brand: #f3a80b;
  --brand-strong: #d99400;
  --brand-soft: #fff6dc;
  --ink: #f3a80b;
  --ink-text: #222121;
  --soft: #fff6dc;
  --error: #b42318;
  --error-bg: #fdecea;
  --warn: #7a5200;
  --warn-bg: #fff6dc;
  --ok: #1d6b3a;
  --focus: #222121;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: inherit; }
h1 { font-size: 1.5rem; margin: 0 0 .5rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.right { text-align: right; }

.bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; background: #ffffff; color: var(--text); border-bottom: 3px solid var(--brand);
  padding-top: max(10px, env(safe-area-inset-top));
}
.brand { display: block; line-height: 0; flex: 0 1 auto; min-width: 0; }
.brand img { display: block; height: 34px; width: auto; max-width: 100%; }
.login-logo { display: block; width: 190px; max-width: 70%; height: auto; margin: 4px auto 18px; }
.bar nav { display: flex; align-items: center; gap: 14px; font-size: .95rem; }
.bar nav a { text-decoration: none; opacity: .8; }
.bar nav a[aria-current="page"], .bar nav a:hover { opacity: 1; font-weight: 600; text-decoration: underline; text-decoration-color: var(--brand); text-decoration-thickness: 3px; text-underline-offset: 5px; }
.bar form { margin: 0; }
button.link { background: none; border: 0; color: inherit; font: inherit; opacity: .8; padding: 0; min-height: 0; cursor: pointer; }
button.link:hover { opacity: 1; }

.wrap { max-width: 760px; margin: 0 auto; padding: 20px 16px 48px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin: 0 0 16px; }
.card.narrow { max-width: 420px; margin: 32px auto; }
.card.highlight { border-color: var(--brand); background: var(--brand-soft); }

label { display: block; font-weight: 600; margin: 14px 0 6px; }
.big-label { font-size: 1.15rem; margin-top: 0; }
input, select, textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--text); background: var(--surface);
  border: 1px solid var(--line); border-radius: 8px; padding: 12px; min-height: 48px;
}
textarea { min-height: 260px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 15px; line-height: 1.5; }
textarea.has-errors { border-color: var(--error); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

button {
  font: inherit; font-weight: 600; min-height: 48px; padding: 0 20px; border-radius: 8px;
  border: 1px solid var(--ink); cursor: pointer;
}
button.primary { background: var(--brand); color: #222121; border-color: var(--brand); }
button.primary:hover { background: var(--brand-strong); border-color: var(--brand-strong); }
button.secondary { background: transparent; color: var(--text); border-color: var(--line); }
button.danger { background: transparent; color: var(--error); border-color: var(--error); }
button.small { min-height: 36px; padding: 0 12px; font-size: .875rem; }
button.block { width: 100%; margin-top: 20px; }
button:disabled { opacity: .5; cursor: progress; }

.actions { display: flex; gap: 10px; margin-top: 14px; }
.actions .primary { flex: 1; font-size: 1.1rem; }
.status { min-height: 1.5em; margin: 10px 0 0; color: var(--muted); }
.status.error { color: var(--error); }

.msg { padding: 10px 12px; border-radius: 8px; margin: 0 0 12px; background: var(--soft); }
.msg.error { background: var(--error-bg); color: var(--error); }
.msg.success { background: #eaf6ee; color: var(--ok); }
.field-error { color: var(--error); margin: 6px 0 0; font-size: .9rem; }

/* Issues */
.issues { margin-top: 14px; border: 1px solid var(--error); border-radius: var(--radius); background: var(--error-bg); padding: 12px; }
.issues.warn-only { border-color: var(--warn); background: var(--warn-bg); }
.issues h3 { margin: 0 0 8px; font-size: 1rem; }
.issues ol { list-style: none; margin: 0; padding: 0; }
.issue { display: block; width: 100%; text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 6px 0; min-height: 0; font-weight: 400; color: var(--text); }
.issue .ln { font-weight: 700; margin-right: 6px; }
.issue code { font-family: ui-monospace, Menlo, monospace; background: var(--soft); padding: 1px 6px; border-radius: 4px; word-break: break-all; }
.issue .why { display: block; margin-top: 4px; color: var(--error); }
.issue.warning .why { color: var(--warn); }

/* Questions */
.questions { margin-top: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 14px; }
.questions h3 { margin: 0 0 4px; font-size: 1rem; }
.q { padding: 10px 0; border-top: 1px solid var(--line); }
.q:first-of-type { border-top: 0; }
.q .reason { margin: 0 0 8px; color: var(--muted); font-size: .9rem; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg label, .chips label { margin: 0; font-weight: 500; }
.seg input, .chips input, .confirm input { position: absolute; opacity: 0; width: 1px; height: 1px; min-height: 0; }
.seg span {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border: 1px solid var(--line);
  border-radius: 8px; cursor: pointer; background: var(--surface);
}
.seg input:checked + span { background: var(--ink); color: var(--ink-text); border-color: var(--ink); }
.seg input:focus-visible + span, .chips input:focus-visible + span, .confirm input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chips span {
  display: inline-flex; flex-direction: column; justify-content: center; min-height: 44px; min-width: 76px;
  padding: 4px 10px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; font-size: .85rem; line-height: 1.2;
}
.chips span b { font-size: .9rem; }
.chips input:checked + span { background: var(--ink); color: var(--ink-text); border-color: var(--ink); }
.chip-tools { display: flex; gap: 12px; margin-top: 8px; font-size: .875rem; }
.chip-tools button { min-height: 32px; padding: 0 10px; font-weight: 500; }
.confirm span { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.confirm input:checked + span { background: var(--ink); color: var(--ink-text); border-color: var(--ink); }
.confirm label { margin: 0; font-weight: 500; }

/* Result */
.result { margin-top: 22px; background: var(--brand-soft); border: 2px solid var(--brand); border-radius: var(--radius); padding: 18px; }
.price-line { margin: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.price-label { font-size: 1.05rem; font-weight: 600; }
.price { font-size: clamp(2.1rem, 9vw, 2.9rem); font-weight: 800; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.summary { list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.summary b { font-variant-numeric: tabular-nums; }
details { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 10px; }
summary { cursor: pointer; font-weight: 600; min-height: 44px; display: flex; align-items: center; }
.breakdown-list { list-style: none; padding: 0; margin: 8px 0; }
.breakdown-list li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.breakdown-list li span:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.breakdown-list li.total { font-weight: 800; border-bottom: 0; }
.notes { margin: 8px 0; padding-left: 18px; color: var(--muted); font-size: .9rem; }

table { width: 100%; border-collapse: collapse; font-size: .9rem; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); }
.table-scroll { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
td.num, th.num { text-align: right; }
.tag { display: inline-block; font-size: .75rem; padding: 1px 6px; border-radius: 4px; background: var(--soft); margin-left: 4px; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; margin-bottom: 18px; }
.grid2 .span2 { grid-column: 1 / -1; }
.inline-form { display: flex; flex-wrap: wrap; gap: 0 12px; align-items: flex-end; }
.inline-form .grow { flex: 1 1 220px; }
.inline-form button { margin-top: 14px; }
#invite-link { margin-bottom: 10px; }

@media (max-width: 560px) {
  .grid2 { grid-template-columns: 1fr; }
  .bar nav { gap: 10px; font-size: .85rem; flex: none; }
  .brand img { height: 28px; }
  .card { padding: 14px; }
}