:root {
  --accent: #9a3412;
  --accent-ink: #fff;
  --ink: #1c1917;
  --muted: #57534e;
  --line: #e7e5e4;
  --bg: #fffdf9;
  --card: #ffffff;
  --soft: #fbf3ec;
  --ok: #166534;
  --warn: #92400e;
  --bad: #b91c1c;
  --mark-ban: #fecaca;
  --mark-limit: #fde68a;
  --mark-dash: #ddd6fe;
  --mark-triad: #bfdbfe;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.7rem, 4.5vw, 2.4rem); margin: 0.4em 0 0.4em; }
h2 { font-size: 1.35rem; margin: 2em 0 0.6em; }
h3 { font-size: 1.1rem; margin: 1.4em 0 0.4em; }
p, ul, ol { margin: 0 0 1em; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.88em; background: var(--soft); padding: 0.05em 0.3em; border-radius: 4px; overflow-wrap: anywhere; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: #fff; padding: 8px; z-index: 10; }
.top { border-bottom: 1px solid var(--line); background: var(--card); }
.top .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; padding-top: 12px; padding-bottom: 12px; }
.logo { font-weight: 800; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.logo span { color: var(--accent); }
.top nav { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 0.95rem; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a[aria-current="page"], .top nav a:hover { color: var(--ink); text-decoration: underline; }
main { padding-bottom: 48px; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 46em; }
.small { font-size: 0.88rem; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin: 18px 0; }
.note { background: var(--soft); border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 18px 0; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; padding: 12px 20px; font: inherit; font-weight: 650; text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: 0.6; cursor: wait; }
.btn.ghost { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; margin: 0 0 1em; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 650; }
.tablewrap { overflow-x: auto; }
.price { font-size: 1.6rem; font-weight: 800; }
.badge { display: inline-block; font-size: 0.8rem; font-weight: 700; background: var(--soft); color: var(--accent); border-radius: 99px; padding: 2px 10px; }
.foot { border-top: 1px solid var(--line); background: var(--card); font-size: 0.92rem; color: var(--muted); padding: 18px 0 28px; }
.foot p { margin: 0.4em 0; }

/* forms */
form .f { margin: 0 0 14px; }
label { display: block; font-weight: 600; margin-bottom: 4px; }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
label.check input { margin-top: 5px; }
input[type=text], input[type=email], input[type=url], input[type=number], select, textarea {
  width: 100%; font: inherit; padding: 10px 12px; border: 1px solid #a8a29e; border-radius: 8px; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus, .btn:focus-visible, a:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 1px; }
textarea { min-height: 120px; resize: vertical; }
.hp { position: absolute; left: -5000px; width: 1px; height: 1px; overflow: hidden; }
.msg { margin-top: 12px; padding: 12px 14px; border-radius: 8px; display: none; }
.msg.ok { display: block; background: #dcfce7; color: #14532d; }
.msg.err { display: block; background: #fee2e2; color: #7f1d1d; }
.hint { font-size: 0.86rem; color: var(--muted); margin-top: 4px; }

/* checker */
#text { min-height: 240px; font-size: 16px; }
.score { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.score b { font-size: 3rem; line-height: 1; }
.v-ok { color: var(--ok); } .v-revise { color: var(--warn); } .v-rewrite { color: var(--bad); }
.pen { border-top: 1px solid var(--line); padding: 10px 0; }
.pen h3 { margin: 0 0 4px; font-size: 1rem; display: flex; justify-content: space-between; gap: 10px; }
.pen ul { margin: 6px 0 0; padding-left: 1.2em; font-size: 0.93rem; }
.hl { white-space: pre-wrap; overflow-wrap: anywhere; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 14px; font-size: 0.97rem; max-height: 520px; overflow: auto; }
mark { border-radius: 3px; padding: 0 1px; color: inherit; }
mark.ban { background: var(--mark-ban); } mark.limit { background: var(--mark-limit); }
mark.dash { background: var(--mark-dash); } mark.triad { background: var(--mark-triad); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 0.85rem; margin: 6px 0; }

/* calculator */
.calc { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px 16px; }
.out { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin: 14px 0; }
.out div { background: var(--soft); border-radius: 10px; padding: 12px 14px; }
.out b { display: block; font-size: 1.45rem; }
.verdict { font-weight: 700; font-size: 1.1rem; }

@media print {
  .top, .foot, .noprint, .skip { display: none !important; }
  body { background: #fff; font-size: 11pt; line-height: 1.45; }
  .wrap { max-width: none; padding: 0; }
  h1 { font-size: 18pt; margin-top: 0; } h2 { font-size: 13pt; margin: 1em 0 0.3em; }
  a { color: inherit; text-decoration: none; }
  .card, .note { border: 1px solid #999; padding: 8px 10px; margin: 8px 0; }
  @page { size: A4; margin: 14mm; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .card { padding: 14px; }
  .score b { font-size: 2.4rem; }
}