:root{--zc-background:#f3efe4;--zc-surface:#fffcf5;--zc-ink:#263a34;--zc-muted:#69776f;--zc-accent:#376453;--zc-accent-ink:#f9f9ef;--zc-border:#d7dcd1;--zc-soft:#e7eae0;--zc-radius:14px;--zc-font:Georgia,"Times New Roman",serif}
*{box-sizing:border-box}
html,body{min-height:100%;margin:0}
body{background:var(--zc-background);color:var(--zc-ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;cursor:pointer;min-height:44px;border:1px solid var(--zc-border);border-radius:var(--zc-radius);background:var(--zc-surface);padding:11px 19px;transition:background .2s,border-color .2s,transform .2s}
button:hover:not(:disabled){border-color:var(--zc-accent);transform:translateY(-2px)}
button:disabled{opacity:.62;cursor:default}
button:focus-visible{outline:2px solid var(--zc-accent);outline-offset:3px}
.primary{background:var(--zc-accent);border-color:var(--zc-accent);color:var(--zc-accent-ink);font-weight:650}
.primary:hover:not(:disabled){background:color-mix(in srgb,var(--zc-accent) 84%,var(--zc-ink))}
.hexagram-space{position:relative;isolation:isolate;max-width:1180px;min-height:100dvh;margin:auto;padding:clamp(20px,4vw,46px) clamp(16px,4vw,44px) 24px;display:flex;flex-direction:column;gap:24px}
.hexagram-space::before{content:"";position:absolute;z-index:-1;inset:0;background:radial-gradient(circle at 82% 11%,color-mix(in srgb,var(--zc-accent) 12%,transparent),transparent 39%),linear-gradient(90deg,color-mix(in srgb,var(--zc-border) 35%,transparent) 1px,transparent 1px),linear-gradient(color-mix(in srgb,var(--zc-border) 26%,transparent) 1px,transparent 1px);background-size:auto,40px 40px,40px 40px;mask-image:linear-gradient(to bottom,black,transparent 85%);pointer-events:none}
.masthead{display:flex;align-items:start;justify-content:space-between;gap:24px;padding-bottom:22px;border-bottom:1px solid var(--zc-border)}
.identity{display:flex;align-items:center;gap:19px}
.brand-seal{width:58px;height:58px;border-radius:50%;background:var(--zc-accent);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;box-shadow:0 0 0 6px color-mix(in srgb,var(--zc-accent) 14%,transparent);flex:none}
.brand-seal i{display:block;width:25px;height:4px;background:var(--zc-accent-ink)}
.eyebrow,.section-label,.edition span,.number,.question span,.trigrams dt{display:block;color:var(--zc-muted);font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
h1,h2,p{margin-top:0}
h1{font:400 clamp(27px,3.7vw,42px)/1.13 var(--zc-font);letter-spacing:-.035em;margin:6px 0 0}
.edition{display:grid;justify-items:end;gap:1px;min-width:142px;border-left:1px solid var(--zc-border);padding-left:25px}
.edition strong{font:400 41px/.98 var(--zc-font)}
.edition small{color:var(--zc-muted);font-size:11px}
.cast-layout{display:grid;grid-template-columns:minmax(260px,.78fr) minmax(0,1.22fr);gap:clamp(22px,5vw,64px);align-items:center;flex:1;padding:clamp(8px,3vw,28px) 0}
.ritual-copy{max-width:390px}
.ritual-copy .section-label::before,.reading-lead .section-label::before,.collection-head .section-label::before{content:"";display:inline-block;width:25px;height:1px;margin:0 10px 3px 0;background:var(--zc-accent)}
.ritual-copy h2,.reading-lead h2,.collection-head h2{font:400 clamp(38px,5.1vw,66px)/1.07 var(--zc-font);letter-spacing:-.05em;margin:22px 0}
.intro,.reading-lead>p{color:var(--zc-muted);font-size:15px;line-height:1.75;max-width:430px}
.modes{display:flex;gap:8px;margin-top:28px}
.modes button{flex:1;border-radius:999px;white-space:nowrap}
.modes button[aria-pressed=true]{background:var(--zc-ink);border-color:var(--zc-ink);color:var(--zc-surface)}
.method-note{color:var(--zc-muted);font-size:12px;line-height:1.6;margin:12px 0 0}
.ritual-stage,.card{position:relative;background:var(--zc-surface);border:1px solid var(--zc-border);box-shadow:10px 10px 0 color-mix(in srgb,var(--zc-border) 38%,transparent)}
.ritual-stage{padding:clamp(20px,3.3vw,40px);display:flex;flex-direction:column;align-items:center;gap:19px;min-width:0}
.ritual-stage::before,.card::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--zc-accent)}
.stage-head{width:100%;display:flex;justify-content:space-between;align-items:start;gap:10px}
.stage-head strong{font:400 32px/1 var(--zc-font);white-space:nowrap}
.stage-head strong span{font-size:15px;color:var(--zc-muted)}
.step-track{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;width:100%;margin-top:-2px}
.step-track span{height:5px;background:var(--zc-soft)}
.step-track .done{background:var(--zc-accent)}
.cast-figure{width:100%;min-height:225px;display:grid;place-items:center;background:radial-gradient(circle,color-mix(in srgb,var(--zc-accent) 9%,transparent),transparent 63%);border-bottom:1px solid var(--zc-border)}
.figure{display:flex;flex-direction:column;gap:11px;width:min(62%,230px);padding:8px 0}
.line{display:flex;gap:17%;height:16px}
.line i{flex:1;background:var(--zc-ink)}
.line.yang i:first-child{flex:2.2}
.line.yang i:last-child{display:none}
.line.empty{border:1px dashed var(--zc-border)}
.line.changing i{background:var(--zc-accent)}
.line.changing{box-shadow:0 0 0 4px color-mix(in srgb,var(--zc-accent) 14%,transparent)}
.line.fresh{animation:rise .55s ease-out}
.coin-tray{display:flex;align-items:center;justify-content:space-between;gap:15px;width:100%}
.coins{display:flex;align-items:center;gap:12px;min-height:46px}
.coin{position:relative;width:43px;height:43px;border-radius:50%;border:2px solid var(--zc-accent);background:var(--zc-soft);box-shadow:inset 0 0 0 3px var(--zc-surface),0 2px 6px color-mix(in srgb,var(--zc-ink) 12%,transparent)}
.coin::after{content:"";position:absolute;inset:12px;border:1px solid var(--zc-accent);border-radius:2px;transform:rotate(45deg)}
.coin.heads{background:var(--zc-accent)}
.coin.heads::after{border-color:var(--zc-accent-ink)}
.coin.blank{opacity:.5}
.coins.flipping .coin{animation:flip .42s ease-in-out infinite}
.coins.flipping .coin:nth-child(2){animation-delay:.1s}
.coins.flipping .coin:nth-child(3){animation-delay:.2s}
.toss{color:var(--zc-muted);font-size:13px;line-height:1.5;min-height:20px;margin:0;text-align:center}
.ritual-stage .primary{width:100%;font-size:15px;min-height:54px}
.reading-layout{display:grid;grid-template-columns:minmax(240px,.68fr) minmax(0,1.32fr);gap:clamp(22px,4vw,52px);align-items:start;flex:1;padding:clamp(8px,2vw,20px) 0}
.reading-lead{padding-top:25px}
.reading-lead h2{margin-top:16px}
.reading-lead button,.collection>button{margin-top:15px}
.reading-lead .intro{font-size:12px;letter-spacing:.05em;text-transform:uppercase;margin:15px 0 0}
.card{padding:clamp(20px,3vw,34px);min-width:0}
.card-heading{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--zc-border);padding-bottom:15px}
.card h2{font:400 clamp(30px,4vw,44px)/1.1 var(--zc-font);letter-spacing:-.03em;margin:8px 0 0}
.pinyin{color:var(--zc-muted);font:italic 15px var(--zc-font);margin:5px 0 0}
.card-seal{width:66px;height:66px;border-radius:50%;border:1px solid var(--zc-border);display:grid;place-items:center;font:400 26px var(--zc-font);color:var(--zc-accent);flex:none}
.card-main{display:grid;grid-template-columns:minmax(120px,.7fr) minmax(0,1.3fr);gap:25px;align-items:center;padding:22px 0}
.card-figure{display:grid;justify-items:center;gap:18px;border-right:1px solid var(--zc-border);padding-right:18px}
.card-figure .figure{width:min(100%,150px);gap:8px}
.card-figure .line{height:11px}
.card-reading{min-width:0}
.reflection{font:400 clamp(17px,2vw,22px)/1.55 var(--zc-font);margin:0 0 20px}
.question{font-size:14px;line-height:1.65;margin:0}
.question span{margin-bottom:7px}
.trigrams{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--zc-border);margin:0}
.trigrams div{background:var(--zc-soft);padding:13px 15px;min-width:0}
.trigrams dd{font:400 18px/1.35 var(--zc-font);margin:5px 0 0}
.trigrams small{display:block;font:12px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--zc-muted)}
.changing{font-size:12px;color:var(--zc-muted);line-height:1.6;margin:18px 0 0}
.next{font-size:13px;color:var(--zc-muted);margin:0;text-align:center}
.collection{flex:1}
.collection-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:16px 0 24px}
.collection-head h2{margin:15px 0 8px}
.collection-head .intro{margin:0}
.collection-head>strong{font:400 clamp(36px,5vw,66px)/1 var(--zc-font);white-space:nowrap}
.collection-head>strong span{font-size:20px;color:var(--zc-muted)}
.grid{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:8px}
.cell{min-width:0;aspect-ratio:.88;display:flex;flex-direction:column;justify-content:space-between;align-items:start;gap:4px;padding:9px;border:1px solid var(--zc-border);border-radius:0;background:color-mix(in srgb,var(--zc-surface) 58%,transparent);color:var(--zc-muted);text-align:left}
.cell.drawn{background:var(--zc-surface);border-color:var(--zc-accent);color:var(--zc-ink)}
.cell.drawn:hover{background:var(--zc-soft)}
.cell-number{font:600 11px -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:.1em}
.cell .figure{width:75%;gap:3px;padding:0;align-self:center}
.cell .line{height:4px;gap:14%}
.cell-name{font:400 12px/1.2 var(--zc-font);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.cell-empty{align-self:center;width:16px;height:16px;border:1px solid var(--zc-border);border-radius:50%;margin:auto}
.status-line{display:flex;align-items:start;gap:10px;border-top:1px solid var(--zc-border);padding-top:14px}
.status-line>span{width:7px;height:7px;border-radius:50%;background:var(--zc-accent);margin-top:5px;flex:none}
#status{font-size:12px;line-height:1.55;color:var(--zc-muted);margin:0}
footer{margin-top:auto;font-size:11px;line-height:1.6;color:var(--zc-muted)}
@keyframes flip{50%{transform:rotateY(90deg) translateY(-5px)}}
@keyframes rise{from{opacity:0;transform:translateY(8px)}}
@media(max-width:800px){.cast-layout,.reading-layout{grid-template-columns:1fr;gap:24px}.ritual-copy,.reading-lead{max-width:none}.ritual-copy h2,.reading-lead h2{margin:14px 0}.reading-lead{padding-top:0}.grid{grid-template-columns:repeat(6,minmax(0,1fr))}}
@media(max-width:520px){.hexagram-space{gap:18px;padding:20px 16px 22px}.masthead{padding-bottom:17px}.identity{gap:13px}.brand-seal{width:42px;height:42px}.brand-seal i{width:18px;height:3px}.edition{display:none}h1{font-size:26px}.ritual-copy h2,.reading-lead h2,.collection-head h2{font-size:38px}.ritual-copy h2 br,.reading-lead h2 br{display:none}.ritual-stage{padding:20px;gap:16px;box-shadow:5px 5px 0 color-mix(in srgb,var(--zc-border) 38%,transparent)}.cast-figure{min-height:180px}.figure{gap:9px}.line{height:13px}.coin{width:38px;height:38px}.coins{gap:7px}.coin-tray .section-label{font-size:9px}.card{box-shadow:5px 5px 0 color-mix(in srgb,var(--zc-border) 38%,transparent)}.card-main{gap:14px}.card-figure{padding-right:12px}.card-figure .figure{width:100%}.card-figure .line{height:9px}.reflection{font-size:17px}.grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.cell{padding:7px}.collection-head>strong{font-size:32px}.collection-head>strong span{font-size:13px}}
@media(max-width:520px){.cast-layout .ritual-stage{order:-1}.card-main{grid-template-columns:1fr}.card-figure{border-right:0;border-bottom:1px solid var(--zc-border);padding:0 0 16px}.card-figure .figure{width:160px}.card-reading{width:100%}}
@media(max-width:360px){.card-figure .figure{width:130px}.trigrams dd{font-size:15px}.trigrams div{padding:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
[data-motion=reduced] *,[data-motion=reduced] *::before,[data-motion=reduced] *::after{animation:none!important;transition:none!important}