/* Thirteen Postures — palette drawn from a morning park practice:
   mist, pine shade, jade, and the brass of a sword guard. */
:root {
  --mist: #edf0ea;
  --paper: #f8f9f5;
  --pine: #18231f;
  --pine-soft: #4a5a53;
  --jade: #2e6a57;
  --jade-wash: #dbe7e0;
  --brass: #946b2e;
  --brass-wash: #efe5d3;
  --stone: #c9d0c6;
  --stone-soft: #dfe4dc;
  --ocean: #d6dfd8;
  --land: #b7c3b9;
  --warn: #9a4a2c;
  --b-family: #946b2e;
  --b-fu: #2e6a57;
  --b-cheng: #3f5f8a;
  --b-dong: #7d4e74;
  --b-hk: #2c7f86;
  --b-beijing: #8a6a1f;
  --b-wu: #6d756f;
  --shadow: 0 1px 2px rgba(24, 35, 31, .06), 0 8px 24px rgba(24, 35, 31, .07);

  --f-display: "Shippori Mincho", "Noto Serif SC", "Songti SC", Georgia, serif;
  --f-body: "Instrument Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;

  --s-xs: .75rem; --s-sm: .875rem; --s-md: 1rem; --s-lg: 1.25rem;
  --s-xl: 1.75rem; --s-2xl: 2.5rem; --s-3xl: 3.5rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --mist: #101714; --paper: #172019; --pine: #e3eae3; --pine-soft: #9fb0a7;
    --jade: #7fbba5; --jade-wash: #1f3a31; --brass: #d3a965; --brass-wash: #3a2f1d;
    --stone: #2d3b35; --stone-soft: #222e29; --ocean: #14201b; --land: #34473e;
    --warn: #e08a67;
    --b-family: #d3a965; --b-fu: #7fbba5; --b-cheng: #8fb0dc; --b-dong: #c79bbd;
    --b-hk: #74c3c9; --b-beijing: #d6b862; --b-wu: #a3aca6;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"] {
  --mist: #101714; --paper: #172019; --pine: #e3eae3; --pine-soft: #9fb0a7;
  --jade: #7fbba5; --jade-wash: #1f3a31; --brass: #d3a965; --brass-wash: #3a2f1d;
  --stone: #2d3b35; --stone-soft: #222e29; --ocean: #14201b; --land: #34473e;
  --warn: #e08a67;
  --b-family: #d3a965; --b-fu: #7fbba5; --b-cheng: #8fb0dc; --b-dong: #c79bbd;
  --b-hk: #74c3c9; --b-beijing: #d6b862; --b-wu: #a3aca6;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  background: var(--mist); color: var(--pine);
  font: 400 var(--s-md)/1.6 var(--f-body);
  padding-inline: clamp(16px, 4vw, 48px); padding-block: 0 64px;
}
a { color: var(--jade); text-underline-offset: 3px; }
a:hover { color: var(--brass); }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; border-radius: 3px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 600; text-wrap: balance; margin: 0; line-height: 1.2; }
.wrap { max-width: 1240px; margin-inline: auto; }
.eyebrow { font: 600 var(--s-xs)/1 var(--f-body); letter-spacing: .12em; text-transform: uppercase; color: var(--pine-soft); }
.muted { color: var(--pine-soft); }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.hidden-print { }

/* ---------- Masthead ---------- */
.masthead { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 40px; padding-block: 28px 20px; border-bottom: 1px solid var(--stone); }
.brand { display: flex; align-items: center; gap: 16px; text-decoration: none; color: inherit; }
.brand-glyph { writing-mode: vertical-rl; font: 600 1.35rem/1 var(--f-display); letter-spacing: .08em; color: var(--jade); padding: 6px 8px; border-inline: 1px solid var(--stone); }
.brand-name { font: 600 var(--s-xl)/1.1 var(--f-display); display: block; }
.brand-sub { font-size: var(--s-sm); color: var(--pine-soft); }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; }
.tab { font: 500 var(--s-sm)/1 var(--f-body); color: var(--pine-soft); background: none; border: 0; padding: 10px 14px; border-radius: 999px; cursor: pointer; }
.tab:hover { color: var(--pine); background: var(--stone-soft); }
.tab[aria-selected="true"] { color: var(--paper); background: var(--pine); }

.view { padding-block: 36px 0; }
.view[hidden] { display: none !important; }
.view-head { display: grid; gap: 10px; margin-bottom: 28px; max-width: 70ch; }
.view-head h1 { font-size: clamp(1.9rem, 4vw, var(--s-3xl)); }
.view-head p { margin: 0; color: var(--pine-soft); }

/* ---------- Buttons & controls ---------- */
.btn { font: 600 var(--s-sm)/1 var(--f-body); border: 1px solid var(--stone); background: var(--paper); color: var(--pine); padding: 10px 14px; border-radius: 8px; cursor: pointer; }
.btn:hover { border-color: var(--pine-soft); }
.btn.primary { background: var(--jade); border-color: var(--jade); color: var(--paper); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: none; border-color: transparent; color: var(--pine-soft); }
.btn.small { padding: 6px 10px; font-size: var(--s-xs); }
label.field { display: grid; gap: 6px; font-size: var(--s-sm); font-weight: 600; }
input[type="text"], input[type="date"], input[type="url"], input[type="number"], select, textarea {
  font: 400 var(--s-sm)/1.4 var(--f-body); color: var(--pine); background: var(--paper);
  border: 1px solid var(--stone); border-radius: 8px; padding: 9px 10px; width: 100%;
}
textarea { resize: vertical; min-height: 70px; }
.seg { display: inline-flex; border: 1px solid var(--stone); border-radius: 10px; padding: 3px; background: var(--paper); }
.seg button { font: 600 var(--s-sm)/1 var(--f-body); border: 0; background: none; color: var(--pine-soft); padding: 10px 16px; border-radius: 7px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--pine); color: var(--paper); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: 500 var(--s-sm)/1 var(--f-body); border: 1px solid var(--stone); background: var(--paper); color: var(--pine); padding: 8px 12px; border-radius: 999px; cursor: pointer; display: inline-flex; gap: 8px; align-items: center; }
.chip .cjk { font-family: var(--f-display); color: var(--jade); }
.chip[aria-pressed="true"] { border-color: var(--jade); background: var(--jade-wash); }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--pine); color: var(--paper); padding: 10px 16px; border-radius: 8px; font-size: var(--s-sm); z-index: 50; box-shadow: var(--shadow); }

/* ---------- Planner ---------- */
.planner { display: grid; grid-template-columns: minmax(250px, 320px) 1fr; gap: 32px; align-items: start; }
.plan-controls { display: grid; gap: 20px; position: sticky; top: 16px; }
.plan-controls .group { display: grid; gap: 8px; }
.plan-sheet { background: var(--paper); border: 1px solid var(--stone); border-radius: 14px; box-shadow: var(--shadow); padding: clamp(18px, 3vw, 32px); display: grid; gap: 24px; min-width: 0; }
.sheet-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; align-items: end; }
.sheet-top h2 { font-size: var(--s-2xl); }
.sheet-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: var(--s-sm); color: var(--pine-soft); }
.total { font: 500 var(--s-sm)/1 var(--f-mono); padding: 6px 10px; border-radius: 6px; background: var(--jade-wash); color: var(--jade); }
.total.over { background: var(--brass-wash); color: var(--warn); }

.band { display: grid; gap: 6px; }
.band-track { display: flex; height: 46px; border-radius: 8px; overflow: hidden; border: 1px solid var(--stone); }
.band-seg { display: flex; align-items: center; padding-inline: 8px; font: 600 var(--s-xs)/1.1 var(--f-body); color: var(--pine); overflow: hidden; white-space: nowrap; border-right: 1px solid var(--paper); min-width: 0; }
.band-seg:last-child { border-right: 0; }
.band-ticks { position: relative; height: 18px; font: 500 11px/1 var(--f-mono); color: var(--pine-soft); }
.band-ticks span { position: absolute; transform: translateX(-50%); }
.band-ticks span:first-child { transform: none; }
.band-ticks span:last-child { transform: translateX(-100%); }
.k-open { background: var(--stone-soft); }
.k-qigong { background: color-mix(in srgb, var(--jade) 26%, var(--paper)); }
.k-basics { background: color-mix(in srgb, var(--jade) 14%, var(--paper)); }
.k-form { background: color-mix(in srgb, var(--brass) 26%, var(--paper)); }
.k-apply { background: color-mix(in srgb, var(--b-cheng) 22%, var(--paper)); }
.k-break { background: repeating-linear-gradient(135deg, var(--stone-soft) 0 6px, var(--paper) 6px 12px); }

.blocks { display: grid; gap: 0; border-top: 1px solid var(--stone); }
.block { display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding-block: 18px; border-bottom: 1px solid var(--stone); }
.block-time { display: grid; gap: 6px; align-content: start; }
.block-time .clock { font: 500 var(--s-sm)/1 var(--f-mono); color: var(--pine-soft); }
.block-time input { width: 72px; font-family: var(--f-mono); }
.block-body { display: grid; gap: 10px; min-width: 0; }
.block-title { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.block-title h3 { font-size: var(--s-lg); }
.block-title .swatch { width: 10px; height: 10px; border-radius: 2px; flex: none; align-self: center; }
.item-list { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.item-list li { font-size: var(--s-sm); padding: 4px 9px; border-radius: 6px; background: var(--stone-soft); display: inline-flex; gap: 6px; align-items: center; }
.item-list li button { border: 0; background: none; color: var(--pine-soft); cursor: pointer; padding: 0; font-size: 14px; line-height: 1; }
.add-row { display: flex; gap: 8px; flex-wrap: wrap; }
.add-row select { width: auto; max-width: 100%; flex: 1 1 220px; }
.saved { display: grid; gap: 8px; }
.saved-item { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--stone); border-radius: 10px; background: var(--paper); }
.saved-item button.link { border: 0; background: none; text-align: left; padding: 0; color: var(--pine); cursor: pointer; font: 600 var(--s-sm)/1.3 var(--f-body); }
.saved-item small { display: block; color: var(--pine-soft); font-weight: 400; }
.status { font-size: var(--s-xs); color: var(--pine-soft); }

/* ---------- Curriculum ---------- */
.curriculum { display: grid; grid-template-columns: 200px 1fr; gap: 40px; align-items: start; }
.cur-index { position: sticky; top: 16px; display: grid; gap: 2px; }
.cur-index a { display: grid; grid-template-columns: 2.2em 1fr; gap: 10px; align-items: center; padding: 8px 10px; border-radius: 8px; color: var(--pine); text-decoration: none; font-size: var(--s-sm); }
.cur-index a:hover { background: var(--stone-soft); }
.cur-index .cjk { font: 600 1.05rem/1 var(--f-display); color: var(--jade); text-align: center; }
.sections { display: grid; gap: 56px; min-width: 0; }
.section { display: grid; grid-template-columns: auto 1fr; gap: 0 28px; scroll-margin-top: 16px; }
.section-glyph { writing-mode: vertical-rl; font: 600 2.4rem/1 var(--f-display); color: var(--jade); letter-spacing: .1em; border-right: 1px solid var(--stone); padding-right: 14px; }
.section-main { display: grid; gap: 18px; min-width: 0; }
.section-main > header { display: grid; gap: 6px; }
.section-main h2 { font-size: var(--s-2xl); }
.section-main .lede { margin: 0; max-width: 68ch; color: var(--pine-soft); }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px 32px; }
.topic h3 { font: 600 var(--s-md)/1.3 var(--f-body); margin-bottom: 6px; }
.topic ul, .topic ol { margin: 0; padding-left: 1.2em; font-size: var(--s-sm); }
.topic li { margin-block: 3px; }
.topic li .pin { color: var(--pine-soft); font-size: var(--s-xs); }
.topic ol.seq { columns: 2 220px; column-gap: 28px; }
.topic ol.seq li { break-inside: avoid; }
.teacher { border: 1px dashed var(--stone); border-radius: 12px; padding: 16px; display: grid; gap: 10px; background: color-mix(in srgb, var(--paper) 60%, transparent); }
.teacher-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.teacher .notes { white-space: pre-wrap; font-size: var(--s-sm); margin: 0; }
.links { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: var(--s-sm); }
.edit-grid { display: grid; gap: 10px; }
.link-edit { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 6px; }

/* ---------- Lineage ---------- */
.lineage { display: grid; grid-template-columns: 1fr 360px; gap: 24px; align-items: start; }
.globe-box { position: relative; background: radial-gradient(circle at 50% 45%, var(--paper), var(--mist) 70%); border: 1px solid var(--stone); border-radius: 16px; overflow: hidden; aspect-ratio: 1 / 1; max-width: 100%; max-height: 78vh; width: 100%; touch-action: none; }
.globe-box canvas { display: block; width: 100%; height: 100%; cursor: grab; }
.globe-box canvas:active { cursor: grabbing; }
.globe-hint { position: absolute; left: 14px; bottom: 12px; font-size: var(--s-xs); color: var(--pine-soft); pointer-events: none; }
.globe-controls { position: absolute; right: 12px; top: 12px; display: flex; gap: 6px; }
.globe-label { position: absolute; pointer-events: none; font: 600 12px/1.2 var(--f-body); color: var(--pine); background: var(--paper); border: 1px solid var(--stone); padding: 4px 7px; border-radius: 6px; transform: translate(10px, -50%); white-space: nowrap; box-shadow: var(--shadow); }
.globe-fallback { position: absolute; inset: 0; display: grid; place-items: center; padding: 24px; text-align: center; color: var(--pine-soft); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: var(--s-xs); color: var(--pine-soft); margin-top: 12px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.side { display: grid; gap: 16px; min-width: 0; }
.person-card { background: var(--paper); border: 1px solid var(--stone); border-radius: 14px; padding: 18px; display: grid; gap: 8px; box-shadow: var(--shadow); }
.person-card h3 { font-size: var(--s-xl); }
.person-card .cn { font-family: var(--f-display); color: var(--pine-soft); }
.person-card dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; font-size: var(--s-sm); }
.person-card dt { color: var(--pine-soft); }
.person-card dd { margin: 0; }
.gen-tag { font: 500 var(--s-xs)/1 var(--f-mono); color: var(--brass); }
.tree { display: grid; gap: 14px; max-height: 60vh; overflow: auto; padding-right: 4px; }
.tree h4 { margin: 0 0 4px; font: 600 var(--s-xs)/1 var(--f-body); letter-spacing: .1em; text-transform: uppercase; color: var(--pine-soft); }
.tree ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.tree button { width: 100%; text-align: left; border: 0; background: none; color: var(--pine); padding: 6px 8px; border-radius: 6px; cursor: pointer; font: 500 var(--s-sm)/1.3 var(--f-body); display: flex; gap: 8px; align-items: baseline; }
.tree button:hover { background: var(--stone-soft); }
.tree button[aria-current="true"] { background: var(--jade-wash); }
.tree button i { width: 8px; height: 8px; border-radius: 50%; flex: none; align-self: center; }
.tree button small { color: var(--pine-soft); margin-left: auto; font-family: var(--f-mono); font-size: 11px; white-space: nowrap; }
.living { font: 600 10px/1 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--jade); border: 1px solid currentColor; border-radius: 4px; padding: 2px 4px; }

/* ---------- Schools ---------- */
.table-wrap { overflow-x: auto; background: var(--paper); border: 1px solid var(--stone); border-radius: 14px; }
table { border-collapse: collapse; width: 100%; font-size: var(--s-sm); min-width: 720px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--stone-soft); vertical-align: top; }
th { font: 600 var(--s-xs)/1 var(--f-body); letter-spacing: .1em; text-transform: uppercase; color: var(--pine-soft); background: var(--stone-soft); }
tr:last-child td { border-bottom: 0; }
.note-box { margin-top: 20px; font-size: var(--s-sm); color: var(--pine-soft); max-width: 75ch; }

@media (max-width: 900px) {
  .planner, .curriculum, .lineage { grid-template-columns: 1fr; }
  .plan-controls, .cur-index { position: static; }
  .cur-index { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}
@media (max-width: 520px) {
  .block { grid-template-columns: 1fr; gap: 8px; }
  .block-time { grid-auto-flow: column; justify-content: start; align-items: center; }
  .section { grid-template-columns: 1fr; }
  .section-glyph { writing-mode: horizontal-tb; border-right: 0; font-size: 1.8rem; padding: 0 0 6px; }
  .link-edit { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }
@media print {
  body { background: #fff; color: #000; padding: 0; }
  .masthead, .plan-controls, .add-row, .no-print, .toast { display: none !important; }
  .planner { grid-template-columns: 1fr; }
  .plan-sheet { box-shadow: none; border: 0; padding: 0; }
  .view:not(#view-plan) { display: none !important; }
}