:root {
  --bg: #ebe6dc;
  --ink: #1c1915;
  --muted: #5c564c;
  --line: #ddd4c6;
  --card: #fffcf7;
  --sheet: #f6f1e6;
  --green: #0e6b52;
  --green-deep: #08392c;
  --red: #9f2b22;
  --shadow: 0 24px 70px rgba(55, 40, 18, 0.1);
  --sans: "Manrope", "Segoe UI", sans-serif;
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --display: "Unbounded", "Manrope", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 480px at -8% -10%, #f8f5ef, transparent 58%),
    radial-gradient(760px 420px at 108% -8%, #d9e7df, transparent 52%),
    var(--bg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
}

a { color: var(--green-deep); }

.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0 8px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.logo__mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  background: var(--green-deep) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23f6f1e6' d='M7.5 3.5h6.4a4.4 4.4 0 0 1 0 8.8H9.7v1.9h5.2v2.2H9.7V21H7.5v-4.6H5.2v-2.2h2.3V12.3H5.2V10h2.3V3.5zm2.2 2.2v4.4h4.2a2.2 2.2 0 0 0 0-4.4H9.7z'/%3E%3C/svg%3E") center / 18px 18px no-repeat;
  color: transparent;
  font-size: 0;
}

.nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
}

.nav a[aria-current="page"],
.nav a:hover { color: var(--ink); }

.hero { padding: 18px 0 28px; }

h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.page h1 { max-width: 18ch; font-size: clamp(2.1rem, 5vw, 3.6rem); }

.lede, .answer {
  max-width: 42rem;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.answer strong { color: var(--ink); }

.tool {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 18px;
  margin-top: 28px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 30px;
  background: rgba(255, 252, 247, 0.78);
  box-shadow: var(--shadow);
}

.controls { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

.switch {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px;
  border-radius: 999px;
  background: #efe8db;
}

.switch label { position: relative; }

.switch input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
}

.switch span {
  display: block;
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 800;
  cursor: pointer;
}

.switch input:checked + span {
  background: var(--card);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(40, 30, 10, 0.08);
}

.switch input:focus-visible + span { outline: 2px solid var(--green); outline-offset: 2px; }

.amount {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px 14px;
  border: 1.5px solid #e0d6c6;
  border-radius: 20px;
  background: #fff;
}

.amount:focus-within {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(14, 107, 82, 0.12);
}

.amount span, .field span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.amount input {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.amount input:focus { outline: none; }

.amount input::placeholder { color: #b3aa9d; }

.amount__label--number { display: none; }

.tool.is-number .amount__label--money { display: none; }

.tool.is-number .amount__label--number { display: inline; }

.presets, .cloud { display: flex; flex-wrap: wrap; gap: 8px; }

.preset, .cloud a {
  border: 1px solid #e3dacb;
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  padding: 7px 12px;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.preset:hover, .cloud a:hover { border-color: var(--green); color: var(--green-deep); }

.options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field { display: flex; flex-direction: column; gap: 6px; }

.field select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #e0d6c6;
  border-radius: 14px;
  background: #fff;
  color: inherit;
  font: inherit;
  font-weight: 700;
}

.tool.is-number [data-money],
.tool:not(.is-vat) .field--rate { display: none; }

.sheet {
  min-width: 0;
  min-height: 320px;
  padding: 22px 20px 8px 24px;
  border-radius: 22px;
  background:
    linear-gradient(var(--green), var(--green)) 0 0 / 4px 100% no-repeat,
    var(--sheet);
}

.kicker {
  margin: 0 0 10px;
  color: var(--green-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sheet__hero {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 2.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.28;
}

.hint, .err { margin: 8px 0; }

.hint { color: var(--muted); }

.err { color: var(--red); font-weight: 700; }

.paste {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 18px;
  padding: 14px;
  border: 1px dashed #d9d0c2;
  border-radius: 16px;
  background: #fff;
}

.paste__text { flex: 1; margin: 0; line-height: 1.45; }

.vat {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0 0;
}

.vat div { padding: 10px 12px; border-radius: 14px; background: #fff; }

.vat dt { color: var(--muted); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; }

.vat dd { margin: 3px 0 0; font-weight: 800; }

.format {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
  padding: 12px 0;
  border-top: 1px solid #e5dccb;
}

.formats { margin-top: 12px; }

.format__label {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.format__text { margin: 3px 0 0; }

.copy {
  border: 1px solid #d5ccbd;
  border-radius: 999px;
  background: #fff;
  color: var(--green-deep);
  padding: 8px 12px;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 800;
  cursor: pointer;
}

.copy--primary {
  border-color: transparent;
  background: var(--green);
  color: #fff;
}

.copy:hover { border-color: var(--green); }

.copy.is-done { border-color: transparent; background: var(--green-deep); color: #fff; }

.section { padding: 18px 0 8px; }

.copyblock { width: min(760px, 100%); }

h2 {
  margin: 28px 0 8px;
  font-size: clamp(1.45rem, 2vw, 1.9rem);
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.section p { color: #3f3a33; }

.table-scroll { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }

th, td { padding: 11px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }

th {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
  margin: 16px 0 8px;
}

.cards a {
  display: block;
  padding: 14px 16px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: var(--card);
  color: inherit;
  text-decoration: none;
}

.cards a:hover { border-color: var(--green); }

.cards strong, .cards span { display: block; }

.cards span { margin-top: 3px; color: var(--muted); }

.crumbs { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 12px; color: var(--muted); font-size: 0.92rem; }

.crumbs a { color: inherit; }

details { border-top: 1px solid var(--line); }

summary { padding: 14px 0; font-weight: 800; cursor: pointer; }

details p { margin: 0 0 14px; }

.cloud { margin: 8px 0 18px; padding: 0; list-style: none; }

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 18px;
  margin-top: 28px;
  padding: 22px 0 32px;
  color: var(--muted);
  font-size: 0.92rem;
}

.foot a { color: inherit; }

:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

@media (max-width: 900px) {
  .top { flex-direction: column; align-items: flex-start; gap: 10px; }
  .logo { white-space: nowrap; }
  .tool { grid-template-columns: 1fr; border-radius: 24px; }
  .sheet { min-height: 0; }
}

@media (max-width: 640px) {
  .options, .vat, .format { grid-template-columns: 1fr; }
  .paste { flex-direction: column; }
  .copy--primary { width: 100%; }
  h1 { max-width: none; }
}

@media print {
  body { background: #fff; }
  .top, .presets, .options, .switch, .foot, .copy { display: none !important; }
  .tool { display: block; box-shadow: none; border: 0; padding: 0; }
  .sheet { background: #fff; }
}