:root {
  --bg: #f7f4ee; --paper: #fffdf8; --ink: #1d1a16; --muted: #6e665c; --line: #e3dccf;
  --accent: #2b5d4f; --covered: #2b5d4f; --covered-bg: #e1eee8; --partly: #8a5a12; --partly-bg: #f6ead2;
  --missing: #9a3324; --missing-bg: #f6e1dc;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161513; --paper: #1f1d1a; --ink: #eee8de; --muted: #a59c8f; --line: #35312b;
    --accent: #7fc0a8; --covered: #9fd3bf; --covered-bg: #213a31; --partly: #e5bb6f; --partly-bg: #3d3020; --missing: #f0a091; --missing-bg: #432622;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.6 Inter, system-ui, sans-serif; }
a { color: inherit; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 18px clamp(16px, 5vw, 56px); border-bottom: 1px solid var(--line); }
.brand { font-family: Fraunces, Georgia, serif; font-weight: 650; font-size: 1.25rem; letter-spacing: -.01em; }
.top nav a { font-size: .85rem; color: var(--muted); text-decoration: none; }
main { max-width: 1120px; margin: 0 auto; padding: 0 clamp(16px, 5vw, 56px) 64px; }
.intro { padding: 56px 0 32px; max-width: 760px; }
h1 { font-family: Fraunces, Georgia, serif; font-weight: 500; font-size: clamp(2rem, 4.6vw, 3.3rem); line-height: 1.08; letter-spacing: -.02em; margin: 0 0 20px; }
.intro p { color: var(--muted); font-size: 1.02rem; margin: 0 0 12px; }
.intro .facts { font-size: .82rem; letter-spacing: .02em; color: var(--accent); }

.inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; }
.field label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: 6px; }
.field label span { font-weight: 400; color: var(--muted); margin-left: 6px; }
textarea, select { width: 100%; font: inherit; font-size: .9rem; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; }
textarea { resize: vertical; }
textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.wide { grid-column: 1 / -1; }
.actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.actions select { width: auto; flex: 1; min-width: 220px; padding: 10px 12px; }
button { font: inherit; font-weight: 600; font-size: .9rem; border-radius: 999px; padding: 10px 20px; cursor: pointer; border: 1px solid var(--ink); background: var(--ink); color: var(--paper); }
button:disabled { opacity: .5; cursor: progress; }
button.ghost { background: transparent; color: var(--ink); border-color: var(--line); }

.progress { margin: 32px 0; padding: 20px 24px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.progress ol { margin: 0; padding-left: 20px; color: var(--muted); }
.progress li.on { color: var(--ink); font-weight: 600; }
.progress #clock { font-variant-numeric: tabular-nums; color: var(--muted); margin: 0; }
.error { color: var(--missing); margin: 24px 0; }

#result { margin-top: 48px; border-top: 1px solid var(--line); padding-top: 32px; }
.head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.head h2 { font-family: Fraunces, Georgia, serif; font-weight: 500; font-size: 1.6rem; margin: 0; line-height: 1.15; }
.counts { display: flex; gap: 8px; margin: 0; }
.pill { display: inline-block; font-size: .75rem; font-weight: 600; padding: 2px 10px; border-radius: 999px; white-space: nowrap; }
.pill.covered { color: var(--covered); background: var(--covered-bg); }
.pill.partly { color: var(--partly); background: var(--partly-bg); }
.pill.missing { color: var(--missing); background: var(--missing-bg); }

.fit { width: 100%; border-collapse: collapse; font-size: .9rem; }
.fit th { text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.fit td { padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.fit td:first-child { width: 34%; }
.fit td:nth-child(2) { width: 90px; }
.fit q { display: block; quotes: none; margin-bottom: 4px; }
.fit q b { font-size: .72rem; color: var(--muted); margin-right: 6px; font-weight: 600; }
.fit small { display: block; color: var(--muted); font-size: .78rem; margin-top: 2px; }
.nice { font-size: .72rem; color: var(--muted); margin-left: 4px; }
.none { color: var(--muted); }

.letter-wrap { margin-top: 40px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 24px clamp(16px, 4vw, 40px); }
.letter-head { display: flex; justify-content: space-between; align-items: center; }
.letter-head h3 { margin: 0; font-family: Fraunces, Georgia, serif; font-weight: 500; font-size: 1.2rem; }
.letter { white-space: pre-wrap; font: 1rem/1.7 Inter, system-ui, sans-serif; margin: 16px 0; max-width: 68ch; }
.checks { border-top: 1px solid var(--line); padding-top: 14px; font-size: .88rem; }
.checks .ok { color: var(--covered); margin: 0; }
.checks .warn { color: var(--missing); font-weight: 600; margin: 0 0 6px; }
.checks ul { margin: 0; padding-left: 18px; }
.trace { margin-top: 28px; font-size: .85rem; color: var(--muted); }
.trace summary { cursor: pointer; }
.trace ul { padding-left: 18px; }
footer { border-top: 1px solid var(--line); padding: 20px clamp(16px, 5vw, 56px); font-size: .8rem; color: var(--muted); }

@media (max-width: 760px) {
  .inputs { grid-template-columns: 1fr; }
  .fit thead { display: none; }
  .fit tr { display: block; border-bottom: 1px solid var(--line); padding: 8px 0; }
  .fit td { display: block; border: 0; padding: 4px 0; width: auto !important; }
  .progress { flex-direction: column; align-items: flex-start; }
}

.pill.in { color: var(--covered); background: var(--covered-bg); }
.pill.extra { color: var(--partly); background: var(--partly-bg); }
.pill.unclear { color: var(--missing); background: var(--missing-bg); }
.money { font-weight: 600; white-space: nowrap; }
.total { text-align: right; margin: 14px 4px 0; font-size: .95rem; }
.inputs input[type=number] { width: 90px; font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink); }