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a{color:var(--muted)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--green);color:white;border-radius:10px;padding:12px 20px;max-width:90%;box-shadow:0 8px 30px #0002;display:none;z-index:20}[hidden]{display:none!important}body.reduced *,body.reduced *:before{animation:none!important;transition:none!important}@media(prefers-reduced-motion:reduce){*,*:before{animation:none!important;transition:none!important}}@media(max-width:1100px){.workspace{grid-template-columns:250px 1fr;gap:18px}.reading-layout{grid-template-columns:1fr}.reflection textarea{min-height:90px}.hex-card{padding:15px 9px}.hex-library{grid-template-columns:repeat(6,1fr)}}@media(max-width:760px){header{padding:18px 5%;flex-wrap:wrap;gap:12px}.brand{font-size:23px}.local{font-size:10px}nav{order:3;width:100%;justify-content:center}nav button{flex:1}h1{font-size:29px}.intro{padding:28px 0 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@media(max-width:760px){.intro{flex-direction:column;align-items:flex-start;gap:8px}.intro>.quiet{max-width:none;padding-left:0}}
/* Separate shared question and method workflow. */
.workspace{grid-template-columns:380px minmax(0,1fr)}.input-column{display:grid;gap:18px;min-width:0}.question-panel{padding:22px}.question-panel .section-title{margin-bottom:13px}.question-panel textarea{min-height:105px}.input-panel{padding:22px 22px 0;overflow:hidden}.method-tabs{margin:0 0 18px;gap:8px}.method-tabs button{min-height:65px;font-size:16px;padding:9px 5px}.method-tabs small{display:block;font-size:10px;opacity:.7;margin-top:2px}.method-body{height:590px;overflow:auto;padding:0 4px 15px 0;scrollbar-gutter:stable;overscroll-behavior:contain}.method-placeholder{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted)}.choice-symbol{font-size:66px;color:#cad2c4;line-height:1.3}.method-placeholder h3{margin-top:20px}.method-placeholder p{font-size:13px;line-height:2}.cast-action{border-top:1px solid var(--line);background:var(--paper);padding:13px 0 20px;min-height:132px}.cast-action #input-error{margin:0;line-height:1.5}.cast-action .hint{margin:4px 0 9px;min-height:23px}.cast-action .wide{margin-top:0}.numbers{grid-template-columns:1fr;gap:8px}.numbers label{display:grid;grid-template-columns:65px 1fr;align-items:center;font-size:14px;margin:0}.numbers input{text-align:left;font-size:23px;padding:12px;margin-top:0;height:55px}.numbers input::placeholder{font-size:16px;color:#959c92}.coin-source{display:flex;gap:8px;margin:13px 0}.coin-source button{flex:1;font-size:13px;padding:8px}.coin-source button.active{background:#e4ebe1;border-color:#9fb39d}.coin-progress-caption{display:flex;justify-content:space-between;gap:8px;font-size:12px;margin:17px 0 10px;color:var(--muted)}.coin-progress-caption strong{font-weight:500;color:var(--ink)}.coin-rounds{display:flex;flex-direction:column;gap:9px}.coin-round{border:1px solid var(--line);border-radius:11px;padding:12px;background:#faf9f4;min-height:88px}.coin-round.current{border-color:#ae7c56;background:#f8f0e6}.coin-round.pending{opacity:.7}.round-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.round-head strong{font-size:14px;font-weight:500}.round-head small{font-size:11px;color:var(--muted);margin-left:10px}.round-state{font-size:10px;border-radius:20px;background:#e9ede5;padding:2px 8px}.current .round-state{background:#ead2bc;color:#704c32}.round-result{display:flex;gap:14px;align-items:center;margin-top:8px;font-size:12px}.round-result b{font-weight:500}.round-result small{display:block;font-size:10px;color:var(--muted)}.round-symbol{font-size:17px;letter-spacing:-2px;white-space:nowrap;color:var(--green)}.round-symbol.moving{color:var(--accent)}.round-empty{color:var(--muted);font-size:11px}.round-input{display:flex;align-items:center;gap:9px;margin:8px 0 0;font-size:11px}.round-input select{margin:0;flex:1;padding:7px 9px;min-height:44px;font-size:13px}.coin-controls{display:flex;align-items:center;justify-content:space-between;gap:5px;margin-top:14px}.coin-controls .primary{flex:1;font-size:13px}.coin-controls .quiet{padding:7px;font-size:11px}.derivation{margin:0 0 18px;border-top:none;padding:0;border-bottom:1px solid var(--line);font-size:12px}.derivation summary{padding:8px 0;color:var(--muted)}#yarrow-mode>details{margin-bottom:22px}#yarrow-mode>label{margin-top:20px}@media(max-width:1200px){.workspace{grid-template-columns:340px minmax(0,1fr)}.reading-layout{grid-template-columns:1fr}}@media(max-width:850px){.workspace{grid-template-columns:1fr}.input-column{gap:14px}.method-body{height:clamp(390px,65svh,590px)}.cast-action{position:relative;min-height:125px}.question-panel,.input-panel{padding:20px}.input-panel{padding-bottom:0}.numbers{grid-template-columns:1fr}.reading-area{min-width:0}.coin-round{min-height:88px}}@media(prefers-reduced-motion:reduce){.method-body{scroll-behavior:auto}}
.coin-header{position:sticky;top:0;background:var(--paper);z-index:2;padding:1px 0 9px;border-bottom:1px solid var(--line);margin-bottom:12px}.coin-header h3{margin:7px 0}.coin-header .hint{margin:6px 0;font-size:11px;line-height:1.6}.coin-header .coin-source{margin:8px 0}.coin-header .coin-progress-caption{margin:8px 0}.coin-overview{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.coin-overview>span{border:1px solid var(--line);border-radius:7px;padding:5px 7px;background:#f7f7f0;line-height:1.4}.coin-overview b{font-weight:500;font-size:10px;display:block}.coin-overview small{font-size:9px;color:var(--muted);display:block;margin-top:2px}.coin-overview>.done{background:#e8eee4;border-color:#c9d5c6}.coin-overview>.current{background:#f4e3d2;border-color:#b3825f}.coin-controls{position:sticky;bottom:0;background:var(--paper);padding:10px 0 5px;border-top:1px solid var(--line);z-index:2}
.cast-action{display:grid;grid-template-rows:60px 48px;gap:8px;padding:14px 0 20px;min-height:0}.cast-status{min-width:0;align-self:center}.cast-status #input-error,.cast-status #cast-readiness{margin:0;font-size:12px;line-height:1.65}.cast-action .wide{height:48px;min-height:48px;align-self:end}
/* 0.3: emphasize base/changed, trace inner lines, compare texts. */
.hexagrams{grid-template-columns:minmax(0,1fr) minmax(0,.78fr) minmax(0,1fr);align-items:start;position:relative;gap:14px;isolation:isolate}.hex-card{min-width:0}.changed-card{background:#eef0e7;border-color:#cbd3c6}.mutual-card{background:transparent;border-color:#e1e1d8;padding:14px 10px;position:relative;margin-top:18px}.mutual-card .hex-title small{font-size:10px}.mutual-card .bar{height:5px;background:#667267}.mutual-card .lines{max-width:115px}.mutual-card .trig-label{font-size:10px}.mutual-heading{border:none;background:transparent;padding:0 0 0 2px;display:flex;align-items:center;justify-content:space-between;gap:6px;min-height:44px;text-align:left;flex:1}.mutual-heading>span{font:23px 'Songti SC',serif}.mutual-heading small{font-size:10px;color:var(--muted)}.mutual-heading:hover{background:#e8ece36b}.hex-title{gap:6px}.line{transition:background .1s,box-shadow .1s,transform .1s}.line:active{transform:scale(.95);background:#d7dfd0;box-shadow:inset 0 0 0 2px 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small{grid-column:1/-1;font-size:9px;color:var(--accent);line-height:1}.mapping-row.active{background:#f0e5c0;border-color:#bda257}.map-glyph{font-size:14px;white-space:nowrap;color:var(--green)}.casting-controls{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);min-height:44px;margin-bottom:8px}.casting-controls .quiet{font-size:11px;white-space:nowrap;padding:6px}.stage-pending{opacity:0;pointer-events:none}.bar-ghost{position:absolute;height:36px;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:3;background:#e9d89977;border-radius:5px}.extracting .base-card [data-line="2"],.extracting .base-card [data-line="3"],.extracting .base-card [data-line="4"],.extracting .base-card [data-line="5"]{background:#e9d89966}.transforming .base-card .moving{background:#a45e4322}.moving-comparison{margin-bottom:22px;padding:22px}.moving-comparison .section-title{margin-bottom:9px}.pair-position{font-size:12px;color:var(--accent);padding:8px 0}.comparison-pair{border-top:1px solid var(--line);margin-top:16px;padding-top:6px}.pair-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0}.comparison-cell{min-width:0;padding:8px 15px 9px 0}.comparison-cell+.comparison-cell{border-left:1px solid var(--line);padding-left:15px;padding-right:0}.comparison-label{font-size:11px;color:var(--accent)}.comparison-cell h3{font-size:21px;margin:7px 0}.comparison-cell .original{font-size:21px;line-height:1.85;margin:10px 0}.comparison-cell .missing-text{font:13px -apple-system,sans-serif;color:var(--muted);margin:20px 0}.compare-read{padding:5px 0;font-size:11px;text-align:left}.reader{height:465px;min-height:0;overflow:auto;scrollbar-gutter:stable;contain:layout}.calculation-list{padding:0;list-style:none}.calculation-list li{display:grid;grid-template-columns:100px 1fr;gap:15px;padding:10px 0;border-top:1px solid var(--line);font-size:12px}.calculation-list strong{font-weight:500}.calculation-list span{overflow-wrap:anywhere}.static-judgment .original{font-size:21px}.derivation{margin-bottom:10px}@media(max-width:1100px){.source-panel{left:50%;top:100%;transform:translateX(-50%);width:min(365px,80vw)}}@media(max-width:760px){.hexagrams{gap:7px;grid-template-columns:minmax(0,1fr) minmax(0,.8fr) minmax(0,1fr)}.mutual-card{padding:10px 6px;margin-top:15px}.mutual-heading{flex-direction:column;align-items:flex-start;gap:0}.mutual-heading>span{font-size:21px}.mutual-card .hex-title{flex-direction:column;gap:0;align-items:flex-start}.mutual-card .lines{margin-top:7px}.mutual-card .line{min-height:44px}.source-panel{padding:14px;width:min(350px,88vw);top:100%;left:50%;transform:translateX(-50%)}.source-panel .mapping-row{min-height:50px;font-size:11px}.moving-comparison{padding:17px}.comparison-cell{padding-right:10px}.comparison-cell+.comparison-cell{padding-left:10px}.comparison-cell h3{font-size:19px}.comparison-cell .original{font-size:20px;line-height:1.9}.casting-controls{font-size:10px;gap:4px}.casting-controls .quiet{padding:6px 3px;font-size:10px}.reader{height:455px}.calculation-list li{grid-template-columns:75px 1fr;gap:9px}.hex-card .hex-kind{font-size:10px;letter-spacing:0}}@media(max-width:360px){.comparison-cell .original{font-size:18px}.comparison-label{font-size:10px}}body.reduced .line:active{transform:none}
.bar-ghost small{font-size:9px;margin-left:6px;color:#76662f}.source-panel{max-height:650px;overflow:auto}.hex-card .line.moving .bar{background:var(--accent)}
.source-panel{left:50%;right:auto;top:calc(100% + 10px);transform:translateX(-50%)}
.source-panel{top:45px;max-height:min(650px,75svh)}@media(max-width:760px){.mutual-heading{flex-direction:row;align-items:center;gap:3px;width:100%}.mutual-heading small{font-size:9px;white-space:nowrap}.mutual-card .hex-title{display:block}.mutual-card .hex-kind{display:block;line-height:1.5}.source-panel{top:45px;max-height:70svh}}
.source-panel-head{position:sticky;top:0;background:var(--paper);z-index:2;padding:4px 0}