/* PencilGuide — site styles (landing, account, legal pages). */
:root {
  --paper:#EFF1F5; --surface:#FFFFFF; --surface-2:#F6F8FB; --ink:#191E2B; --ink-soft:#4A5468; --muted:#646D80;
  --line:#C9D0DC; --accent:#2F4B8F; --accent-ink:#FFFFFF; --accent-soft:#DCE4F5; --ok:#2E6B3F; --ok-soft:#DDEFE2;
  --warn:#8A6A1F; --warn-soft:#F5EBD3; --bad:#9A3B2E; --bad-soft:#F6DDD8;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:ui-sans-serif,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --radius:10px; --shadow:0 1px 2px rgba(25,30,43,.06),0 6px 24px rgba(25,30,43,.06);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:#12151C; --surface:#1A1E27; --surface-2:#20252F; --ink:#E8EBF1; --ink-soft:#B9C0CC; --muted:#8E97A6;
    --line:#333A47; --accent:#8FA9E6; --accent-ink:#0E1220; --accent-soft:#25304A; --ok:#7CC48F; --ok-soft:#1F3226;
    --warn:#E0BE6A; --warn-soft:#3A3120; --bad:#E89385; --bad-soft:#3B2421;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--paper); color: var(--ink); font: 16px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(28px, 5vw, 44px); letter-spacing: -.01em; }
h2 { font-size: 24px; }
h3 { font-size: 18px; }
p { margin: 0 0 1em; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 720px; }

.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 12px; min-height: 58px; flex-wrap: wrap; }
.logo { font-family: var(--serif); font-size: 21px; font-weight: 600; color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.logo .mark { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: var(--accent-ink); font-size: 17px; }
.top .grow { flex: 1; }
.top nav { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: 600 14px/1 var(--sans); padding: 10px 15px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.solid { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.solid:hover { filter: brightness(1.07); }
.btn.ghost { background: transparent; }
.btn.small { padding: 7px 10px; font-size: 13px; }
.btn.danger { color: var(--bad); }
.btn.big { padding: 14px 20px; font-size: 16px; }
select.lang, select, input, textarea { font: 15px/1.4 var(--sans); color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; max-width: 100%; }
textarea { width: 100%; resize: vertical; }
input:focus, textarea:focus, select:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card + .card { margin-top: 18px; }
.card h2 { margin-bottom: 10px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.stack > * + * { margin-top: 12px; }

.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.field label { font-weight: 600; font-size: 14px; }
.field .help { font-size: 13px; color: var(--muted); }
.fields2 { display: grid; gap: 0 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.notice { border-radius: 8px; padding: 12px 14px; margin: 0 0 16px; border: 1px solid var(--line); background: var(--surface-2); }
.notice.ok { background: var(--ok-soft); border-color: transparent; color: var(--ok); }
.notice.warn { background: var(--warn-soft); border-color: transparent; color: var(--warn); }
.notice.bad { background: var(--bad-soft); border-color: transparent; color: var(--bad); }
.pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--line); color: var(--ink-soft); }
.pill.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.pill.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.pill.bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }

.desk { display: flex; flex-direction: column; gap: 8px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); }
.desk h3 { margin: 0; }
.desk .btn { align-self: flex-start; margin-top: auto; }

table.list { width: 100%; border-collapse: collapse; font-size: 14px; }
table.list th, table.list td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.scrollx { overflow-x: auto; }
details.cls { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); padding: 0; }
details.cls + details.cls { margin-top: 12px; }
details.cls > summary { cursor: pointer; padding: 14px 16px; list-style: none; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
details.cls > summary::-webkit-details-marker { display: none; }
details.cls > summary b { font-family: var(--serif); font-size: 17px; }
details.cls > .body { padding: 4px 16px 16px; }

/* landing */
.hero { padding: 64px 0 40px; }
.hero p.lead { font-size: 19px; color: var(--ink-soft); max-width: 640px; }
.features { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin: 30px 0 50px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.feature h3 { margin-bottom: 6px; }
.feature p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.prices { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin: 16px 0; }
.price { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; text-align: center; }
.price .v { font-family: var(--serif); font-size: 28px; font-weight: 600; margin-top: 4px; }
section.block { padding: 30px 0; }
footer.foot { border-top: 1px solid var(--line); margin-top: 50px; padding: 26px 0 40px; font-size: 14px; color: var(--muted); }
footer.foot .wrap { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
footer.foot a { color: var(--muted); }

/* legal */
.legal { padding: 36px 0; }
.legal h1 { font-size: 32px; }
.legal h2 { font-size: 20px; margin-top: 28px; }
.legal p, .legal li { color: var(--ink-soft); }
.legal .note { font-size: 14px; }

.gsi { min-height: 44px; }
.hide { display: none !important; }
@media (max-width: 560px) {
  .card { padding: 16px; }
  .hero { padding: 36px 0 24px; }
  .top nav .btn.ghost { display: none; }
}