/* saju — design tokens and layout.
   Direction: precise and editorial, not mystical. Paper, ink, one accent.
   No gradients, no glow, no gold-on-black. The product is the arithmetic. */

:root {
  --paper: #fbfaf7;
  --paper-2: #f3f1ec;
  --ink: #14161a;
  --ink-2: #3d434e;
  --ink-3: #6b7280;
  --rule: #e3e0d8;
  --rule-strong: #cfcabd;
  --accent: #1f5f4f;
  --accent-ink: #ffffff;
  --warn: #8a5a1a;

  --wood: #3f7d4e;
  --fire: #b4462f;
  --earth: #9a7b3f;
  --metal: #6b7280;
  --water: #2f5f8a;

  --radius: 6px;
  --measure: 68ch;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Noto Serif", serif;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); margin: 0 0 0.5rem; }
h2 { font-size: clamp(1.25rem, 2vw, 1.5rem); margin: 0 0 0.5rem; }
h3 { font-size: 1.05rem; margin: 1.25rem 0 0.35rem; }

p { margin: 0 0 0.85rem; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

.wrap { width: min(100% - 2.5rem, 1080px); margin-inline: auto; }
.narrow { width: min(100% - 2.5rem, var(--measure)); }
.section { padding-block: 2.25rem; }
.section-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.section-grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.skip {
  position: absolute; left: -9999px;
}
.skip:focus {
  left: 1rem; top: 1rem; z-index: 10; background: var(--accent); color: var(--accent-ink);
  padding: 0.5rem 0.9rem; border-radius: var(--radius);
}

/* --- header ------------------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  position: sticky; top: 0; z-index: 5;
  backdrop-filter: blur(6px);
}
.header-inner { display: flex; align-items: center; gap: 1.5rem; min-height: 58px; }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; text-decoration: none; color: var(--ink); }
.brand-mark {
  display: grid; place-items: center; width: 26px; height: 26px;
  border: 1px solid var(--ink); border-radius: 3px;
  font-family: var(--font-serif); font-size: 0.95rem; line-height: 1;
}
.brand-name { font-family: var(--font-serif); font-size: 1.05rem; letter-spacing: 0.02em; }
.nav { display: flex; gap: 1.1rem; margin-inline-start: auto; font-size: 0.9rem; }
.nav a { color: var(--ink-2); text-decoration: none; }
.nav a:hover { color: var(--ink); }

.lang { position: relative; font-size: 0.85rem; }
.lang summary {
  cursor: pointer; list-style: none; padding: 0.3rem 0.55rem;
  border: 1px solid var(--rule-strong); border-radius: var(--radius);
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em;
}
.lang summary::-webkit-details-marker { display: none; }
.lang ul {
  position: absolute; inset-inline-end: 0; top: calc(100% + 6px);
  margin: 0; padding: 0.35rem; list-style: none;
  background: var(--paper); border: 1px solid var(--rule-strong); border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(20, 22, 26, 0.08);
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.1rem;
  max-height: 60vh; overflow: auto; min-width: 240px; z-index: 6;
}
.lang ul a { display: block; padding: 0.3rem 0.5rem; text-decoration: none; color: var(--ink-2); border-radius: 4px; white-space: nowrap; }
.lang ul a:hover { background: var(--paper-2); color: var(--ink); }
.lang ul a[aria-current="true"] { color: var(--accent); font-weight: 600; }

/* --- hero --------------------------------------------------------------- */

.hero { padding-block: clamp(2.5rem, 7vw, 5rem) 1rem; }
.eyebrow {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-3); margin: 0 0 0.9rem;
}
.lede { font-size: 1.1rem; color: var(--ink-2); max-width: 62ch; }
.lede.small { font-size: 0.95rem; }

/* --- cards / form ------------------------------------------------------- */

.card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.4rem;
}
.chart-form { display: grid; gap: 1rem; }
.field { display: grid; gap: 0.3rem; min-width: 0; }
.field > label, .field > .label {
  font-size: 0.82rem; font-weight: 600; color: var(--ink-2); letter-spacing: 0.01em;
}
input[type="text"], input[type="number"], select, textarea {
  font: inherit; font-size: 0.95rem;
  padding: 0.5rem 0.6rem;
  background: #fff; color: var(--ink);
  border: 1px solid var(--rule-strong); border-radius: var(--radius);
  min-width: 0; width: 100%;
}
input:focus-visible, select:focus-visible, button:focus-visible, summary:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.date-row { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 0.4rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }

.check, .radio { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.88rem; color: var(--ink-2); }
.check input, .radio input { width: auto; margin: 0; }
.check.inline { margin-inline-start: 0.5rem; }
.radio-row { display: flex; flex-wrap: wrap; gap: 0.9rem; padding-top: 0.2rem; }

.hint { font-size: 0.82rem; color: var(--ink-3); margin: 0; }

.advanced { border-top: 1px solid var(--rule); padding-top: 0.8rem; }
.advanced summary { cursor: pointer; font-size: 0.85rem; color: var(--ink-2); margin-bottom: 0.7rem; }

.form-actions { display: flex; gap: 0.6rem; padding-top: 0.4rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.6rem 1.15rem; border-radius: var(--radius);
  font: inherit; font-size: 0.95rem; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, black); }
.btn-ghost { background: transparent; color: var(--ink-2); border-color: var(--rule-strong); }
.btn-ghost:hover { background: var(--paper-2); }

/* --- features ----------------------------------------------------------- */

.features {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.features h3 { margin-top: 0; }
.features p { font-size: 0.92rem; color: var(--ink-2); margin: 0; }

.aside-link { font-size: 0.92rem; }

/* --- result ------------------------------------------------------------- */

.result-head { padding-bottom: 0; }
.daymaster { font-size: 1rem; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.daymaster strong { font-family: var(--font-serif); font-size: 1.35rem; }

.chip {
  display: inline-block; padding: 0.1rem 0.5rem; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600;
  border: 1px solid currentColor;
}
.chip.el-wood { color: var(--wood); }
.chip.el-fire { color: var(--fire); }
.chip.el-earth { color: var(--earth); }
.chip.el-metal { color: var(--metal); }
.chip.el-water { color: var(--water); }

.tag {
  display: inline-block; margin-inline-start: 0.35rem;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink-3);
  border: 1px solid var(--rule-strong); border-radius: 3px; padding: 0.05rem 0.3rem;
  vertical-align: middle;
}

.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem; }
@media (max-width: 720px) { .pillars { grid-template-columns: repeat(2, 1fr); } }
.pillar {
  border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 0.9rem; background: #fff; text-align: center;
}
.pillar.approximate { border-style: dashed; background: var(--paper-2); }
.pillar-label {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-3); margin: 0 0 0.4rem;
}
.pillar-glyph {
  font-family: var(--font-serif); font-size: 2.6rem; line-height: 1.1;
  margin: 0 0 0.4rem; letter-spacing: 0.04em;
}
.pillar-gan, .pillar-hidden { font-size: 0.85rem; color: var(--ink-2); margin: 0 0 0.25rem; }
.tg { font-size: 0.74rem; color: var(--ink-3); }
.pillar-meta {
  display: grid; grid-template-columns: auto auto; gap: 0.1rem 0.5rem;
  justify-content: center; font-size: 0.72rem; color: var(--ink-3);
  margin: 0.6rem 0 0; padding-top: 0.5rem; border-top: 1px solid var(--rule);
}
.pillar-meta dt { text-align: end; }
.pillar-meta dd { margin: 0; text-align: start; color: var(--ink-2); }

.elements { list-style: none; margin: 0 0 0.8rem; padding: 0; display: grid; gap: 0.4rem; }
.el { display: grid; grid-template-columns: 4.5rem 1fr 2.6rem; align-items: center; gap: 0.5rem; font-size: 0.85rem; }
.el-name { color: var(--ink-2); }
.el-track { height: 8px; background: var(--paper-2); border-radius: 999px; overflow: hidden; }
.el-fill { display: block; height: 100%; border-radius: 999px; }
.el-wood .el-fill { background: var(--wood); }
.el-fire .el-fill { background: var(--fire); }
.el-earth .el-fill { background: var(--earth); }
.el-metal .el-fill { background: var(--metal); }
.el-water .el-fill { background: var(--water); }
.el-pct { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-3); text-align: end; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 0.9rem; margin: 0; font-size: 0.88rem; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; color: var(--ink); }

.tengods { list-style: none; margin: 0 0 0.8rem; padding: 0; display: grid; gap: 0.2rem; font-size: 0.88rem; }
.tengods li { display: flex; justify-content: space-between; border-bottom: 1px dotted var(--rule); padding-bottom: 0.15rem; }
.tg-count { font-family: var(--font-mono); color: var(--ink-3); }
.tengod-groups { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.2rem; font-size: 0.8rem; color: var(--ink-3); }
.tengod-groups li { display: flex; justify-content: space-between; }

.strength-label { font-family: var(--font-serif); font-size: 1.6rem; margin: 0 0 0.2rem; }
.label-strong { color: var(--fire); }
.label-balanced { color: var(--accent); }
.label-weak { color: var(--water); }
.strength-share { font-size: 0.9rem; color: var(--ink-2); }
.structure-name, .yongshin-name { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; font-size: 0.95rem; }

.daewoon, .seyoon, .weolwoon { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.daewoon li, .seyoon li, .weolwoon li {
  border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 0.45rem 0.65rem; background: #fff; font-size: 0.82rem;
  display: grid; gap: 0.1rem; min-width: 78px;
}
.daewoon li.current, .seyoon li.current, .weolwoon li.current {
  border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent);
}
.dw-gz, .sy-gz, .ww-gz { font-family: var(--font-serif); font-size: 1.15rem; }
.dw-age, .ww-at { font-family: var(--font-mono); font-size: 0.66rem; color: var(--ink-3); }
.sy-year { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-3); }

.relations { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.35rem; }
.relations li {
  display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: baseline;
  padding: 0.4rem 0.6rem; border: 1px solid var(--rule); border-radius: var(--radius);
  font-size: 0.85rem; background: #fff;
}
.rel-type { font-weight: 600; }
.rel-sym { font-family: var(--font-serif); font-size: 1.05rem; }
.rel-pos, .rel-el { font-size: 0.78rem; color: var(--ink-3); }

.audit summary { cursor: pointer; }
.audit summary h2 { display: inline; }
.audit-kv { margin-top: 0.8rem; }
.note { font-size: 0.85rem; color: var(--ink-2); margin: 0.5rem 0 0; }
.note.warn { color: var(--warn); }

.reading { display: grid; gap: 1.25rem; margin-bottom: 0.8rem; }
.reading-section h3 { margin-top: 0; }
.reading-section p { max-width: var(--measure); }
.loading { color: var(--ink-3); font-size: 0.9rem; }
.error { color: var(--fire); }

/* --- pricing ------------------------------------------------------------ */

.plans {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.plan {
  position: relative; border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1.25rem; background: #fff; display: flex; flex-direction: column; gap: 0.6rem;
}
.plan.featured { border-color: var(--accent); }
.badge {
  position: absolute; top: -0.65rem; inset-inline-start: 1rem;
  background: var(--accent); color: var(--accent-ink);
  font-size: 0.66rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.12rem 0.45rem; border-radius: 3px;
}
.plan h2 { font-size: 1.1rem; margin: 0; }
.plan-price { font-family: var(--font-serif); font-size: 1.9rem; margin: 0; }
.plan-price .per { font-family: var(--font-sans); font-size: 0.8rem; color: var(--ink-3); margin-inline-start: 0.2rem; }
.plan-features { list-style: none; margin: 0 0 0.5rem; padding: 0; display: grid; gap: 0.3rem; font-size: 0.85rem; color: var(--ink-2); }
.plan-features li::before { content: "— "; color: var(--ink-3); }
.plan .btn { margin-top: auto; }

/* --- prose -------------------------------------------------------------- */

.prose { margin-bottom: 1.6rem; max-width: var(--measure); }
.prose h2 { font-size: 1.1rem; }
.prose p { color: var(--ink-2); }

/* --- footer ------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 3rem; padding-block: 2rem;
  font-size: 0.82rem; color: var(--ink-3);
}
.footer-tagline { font-family: var(--font-serif); color: var(--ink-2); }
.footer-disclaimer { max-width: 70ch; }
.footer-ai { max-width: 70ch; }
.footer-nav { display: flex; gap: 1rem; margin-top: 0.8rem; }
.footer-nav a { color: var(--ink-2); }

/* --- rtl ---------------------------------------------------------------- */

[dir="rtl"] .el { grid-template-columns: 4.5rem 1fr 2.6rem; }
[dir="rtl"] .pillar-meta dt { text-align: start; }
[dir="rtl"] .pillar-meta dd { text-align: end; }

/* --- print (the PDF is just print CSS) ---------------------------------- */

@media print {
  .site-header, .site-footer, .lang, .form-actions, script { display: none !important; }
  body { background: #fff; font-size: 11pt; }
  .card, .pillar, .plan { break-inside: avoid; }
  a { color: inherit; text-decoration: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}