:root{
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  --signal:#D5FF3E;--coral:#FF3B30;--red:#A92720;--ice:#8FD9CC;--muted-dark:#AEB1A7;--muted-light:#50544C;
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  --display:"Helvetica Neue",Arial,Helvetica,sans-serif;--editorial:Georgia,"Times New Roman",serif;--data:SFMono-Regular,Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.16,1,.3,1);--fast:180ms;--standard:620ms;--tile:clamp(48px,7.2vh,66px);
  color-scheme:dark;
}
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/* FIELD 001 / BUILD 001.5 — master enhancement layer */
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.challenge-object{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-top:1px solid var(--dark-rule);border-bottom:1px solid var(--dark-rule)}.challenge-object span,.challenge-alias span,.challenge-output span{font:700 7px var(--data);letter-spacing:.12em;color:#73776e}.challenge-object strong{font:900 24px var(--data);letter-spacing:.14em;color:var(--signal)}.challenge-alias{display:grid;gap:8px;margin:20px 0}.challenge-alias input{width:100%;min-height:46px;border:1px solid var(--dark-rule);background:var(--black);color:var(--paper);padding:0 12px;font:700 10px var(--data);letter-spacing:.1em}.challenge-output{padding:15px;border:1px solid var(--dark-rule);margin:0 0 18px}.challenge-output strong{display:block;margin-top:8px;font:700 9px/1.5 var(--data);color:var(--signal);word-break:break-all}.atlas-collapse{transition:transform 950ms var(--ease),opacity 950ms var(--ease),filter 950ms var(--ease)}.game-field.field-singular .board-stage{filter:drop-shadow(0 0 22px rgba(213,255,62,.08))}.game-field.field-resolved .board-stage{filter:drop-shadow(0 0 32px rgba(213,255,62,.12))}.mini-atlas{transition:transform 950ms var(--ease),filter 950ms var(--ease)}.mini-atlas.singular{transform:scale(.94);filter:drop-shadow(0 0 14px rgba(213,255,62,.18))}.mini-atlas.resolved{transform:scale(.9);filter:drop-shadow(0 0 24px rgba(213,255,62,.3))}.admin-body{background:var(--black);color:var(--paper)}.admin-shell{max-width:1180px;margin:0 auto;padding:80px var(--gutter)}.admin-shell h1{font-size:clamp(78px,12vw,170px);line-height:.74;letter-spacing:-.08em;margin:0}.admin-lead{font:italic 21px/1.5 var(--editorial);color:var(--muted-dark);max-width:740px}.admin-auth{display:grid;grid-template-columns:1fr auto;gap:10px;margin:35px 0}.admin-auth label{display:grid;gap:8px;font:700 7px var(--data);letter-spacing:.12em}.admin-auth input{min-height:50px;background:var(--carbon);border:1px solid var(--dark-rule);color:var(--paper);padding:0 12px}.admin-table{border-left:1px solid var(--dark-rule);border-top:1px solid var(--dark-rule);margin-top:20px}.admin-table article{display:grid;grid-template-columns:130px 110px 110px 1fr;gap:16px;padding:14px;border-right:1px solid var(--dark-rule);border-bottom:1px solid var(--dark-rule);align-items:center}.admin-table b,.admin-table span,.admin-table small{font:700 7px var(--data);letter-spacing:.1em}.admin-table strong{font:900 20px var(--data);letter-spacing:.12em;color:var(--signal)}.admin-table span{color:var(--coral)}.admin-table small{color:var(--muted-dark)}
@media(max-width:760px){.game-action-cluster{gap:4px}.result-metrics{grid-template-columns:repeat(2,1fr)}.result-actions-master{grid-template-columns:1fr}.record-extended{grid-template-columns:1fr}.achievement-strip{grid-template-columns:1fr}.archive-local{grid-template-columns:1fr}.analysis-summary{grid-template-columns:repeat(2,1fr)}.share-actions{display:grid}.share-actions .command{width:100%}.admin-shell{padding:72px 18px}.admin-auth{grid-template-columns:1fr}.admin-table article{grid-template-columns:1fr 1fr}.admin-table small{grid-column:1/-1}.game-action-cluster .command{font-size:5.5px;padding-inline:6px}}
@media(max-width:390px){.analysis-step{grid-template-columns:28px 68px 1fr;gap:7px}.analysis-step>strong{font-size:13px}.archive-record h3{font-size:29px}.game-action-cluster #issueFieldBtn{display:none}}


/* FIELD 001 / BUILD 001.6 — interaction hardening */
.hero-input-note{display:flex;justify-content:space-between;gap:16px;max-width:650px;margin-top:14px;padding-top:11px;border-top:1px solid rgba(52,55,47,.78);font:700 7px var(--data);letter-spacing:.13em;color:#777b73}.hero-input-note b{color:var(--signal);font-weight:700}.mode-brief{width:min(100%,610px);display:flex;justify-content:space-between;gap:16px;margin-bottom:8px;font:700 6px var(--data);letter-spacing:.11em;color:#777b73}.mode-brief b{color:var(--signal);font-weight:700;text-align:right}.status-stack{display:flex;flex-direction:column;gap:4px;align-items:flex-end;max-width:68%}.status-stack small{font:italic 12px/1.3 var(--editorial);letter-spacing:0;color:var(--muted-dark);font-weight:400}.interaction-strip{width:min(100%,520px);display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--dark-rule);border-left:1px solid var(--dark-rule);margin-bottom:6px}.interaction-strip>div{min-height:48px;padding:8px 10px;border-right:1px solid var(--dark-rule);border-bottom:1px solid var(--dark-rule)}.interaction-strip span{display:block;font:700 6px var(--data);letter-spacing:.12em;color:#73776e}.interaction-strip strong{display:block;margin-top:5px;font:800 8px var(--data);letter-spacing:.08em;color:var(--paper)}.game-console.ready-to-test .interaction-strip>div:last-child{background:rgba(213,255,62,.05)}.game-console.ready-to-test #interactionAction{color:var(--signal)}
.key{position:relative;touch-action:manipulation}.key:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-color:var(--signal)}.key.hardware-active{transform:translateY(1px) scale(.96);border-color:var(--signal);box-shadow:inset 0 0 0 1px var(--signal)}.key.locked:after,.key.displaced:after,.key.excluded:after{position:absolute;right:3px;top:2px;font:900 7px var(--data);line-height:1}.key.locked:after{content:'•';color:var(--ink)}.key.displaced:after{content:'◇';color:var(--red)}.key.excluded:after{content:'×';color:#8f938a}.tile.locked:before,.tile.displaced:before,.tile.excluded:before{position:absolute;right:4px;top:3px;z-index:2;font:900 8px var(--data);line-height:1}.tile.locked:before{content:'•';color:var(--ink)}.tile.displaced:before{content:'◇';color:var(--red)}.tile.excluded:before{content:'×';color:#9da198}
.onboarding-modal{width:min(calc(100vw - 26px),800px)}.quick-states{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--light-rule);border-left:1px solid var(--light-rule);margin:0 0 26px}.quick-states article{display:grid;grid-template-columns:52px 1fr;gap:13px;align-items:center;min-height:116px;padding:14px;border-right:1px solid var(--light-rule);border-bottom:1px solid var(--light-rule)}.quick-states .state-swatch{width:48px;height:48px}.quick-states strong{font-size:13px}.quick-states p{margin:4px 0 0;font:14px/1.4 var(--editorial);color:var(--muted-light)}.quick-command{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:16px;border-top:1px solid var(--light-rule);font:800 7px var(--data);letter-spacing:.12em;color:var(--red)}.paper-command{background:var(--ink);border-color:var(--ink);color:var(--paper);min-width:190px}.paper-command:hover{background:var(--red);border-color:var(--red);color:var(--paper)}
.result-summary{display:flex;align-items:end;justify-content:space-between;gap:20px;padding:0 0 18px;margin:-18px 0 4px;border-bottom:1px solid var(--dark-rule)}.result-summary strong{font-size:clamp(58px,10vw,112px);line-height:.78;letter-spacing:-.07em;color:var(--signal)}.result-summary span{font:800 8px var(--data);letter-spacing:.13em;color:var(--paper);padding-bottom:5px}
@media(max-width:760px){.hero-input-note{font-size:6px}.mode-brief{font-size:5.5px;gap:8px;margin-bottom:4px}.status-stack{max-width:72%}.status-stack small{font-size:10px}.interaction-strip{margin-bottom:3px}.interaction-strip>div{min-height:40px;padding:6px 7px}.interaction-strip span{font-size:5px}.interaction-strip strong{font-size:7px}.quick-states{grid-template-columns:1fr}.quick-states article{min-height:84px}.quick-command{display:grid}.paper-command{width:100%}.result-summary{margin-top:-10px}.result-summary strong{font-size:64px}.result-summary span{font-size:6px}.key:focus-visible{outline-offset:1px}}
@media(max-width:390px){.hero-input-note{display:grid;gap:5px}.mode-brief{display:grid;gap:3px}.mode-brief b{text-align:left}.status-stack small{display:none}.interaction-strip>div{padding:5px 6px;min-height:36px}.interaction-strip strong{font-size:6.5px}.key{height:44px}.console-foot{display:grid;grid-template-columns:1fr;white-space:normal;text-align:center}.result-summary{align-items:start}.result-summary strong{font-size:56px}}
@media(max-height:720px) and (max-width:760px){:root{--tile:min(12.6vw,45px)}.mode-brief{margin-bottom:2px}.interaction-strip{display:none}.board,.guess-row{gap:4px}.key{height:39px}.console-foot{display:none}.status-stack small{display:none}}

/* FIELD 001 / BUILD 001.7 — letter-state clarity */
.letter-field{width:min(100%,610px);display:grid;grid-template-columns:1.15fr 1.15fr .7fr;border-top:1px solid var(--dark-rule);border-left:1px solid var(--dark-rule);margin:7px 0 2px}.letter-field-cell{min-height:52px;padding:8px 10px;border-right:1px solid var(--dark-rule);border-bottom:1px solid var(--dark-rule);display:grid;grid-template-columns:auto 1fr;gap:4px 10px;align-items:baseline;background:rgba(13,15,12,.74)}.letter-field-cell span{font:800 6px var(--data);letter-spacing:.13em;color:#777b73}.letter-field-cell strong{justify-self:end;font:900 9px var(--data);letter-spacing:.12em;word-spacing:.18em;color:var(--paper)}.letter-field-cell small{grid-column:1/-1;font:italic 10px/1.25 var(--editorial);color:#777b73}.letter-field-cell.in-play{box-shadow:inset 2px 0 0 rgba(213,255,62,.24)}.letter-field.has-in-play .letter-field-cell.in-play{background:linear-gradient(90deg,rgba(213,255,62,.09),rgba(13,15,12,.78) 62%)}.letter-field.has-in-play .letter-field-cell.in-play span,.letter-field.has-in-play .letter-field-cell.in-play strong{color:var(--signal)}.letter-field-cell.out{box-shadow:inset 2px 0 0 rgba(255,59,48,.24)}.letter-field.has-out .letter-field-cell.out{background:linear-gradient(90deg,rgba(255,59,48,.08),rgba(13,15,12,.78) 62%)}.letter-field.has-out .letter-field-cell.out span,.letter-field.has-out .letter-field-cell.out strong{color:var(--coral)}.letter-field-cell.untested strong{color:#9da198}

/* State palette: green family = confirmed/in play; red = eliminated; neutral = untested. */
.tile.locked{background:var(--signal);color:var(--ink);border-color:var(--signal);box-shadow:inset 0 0 0 1px rgba(12,14,11,.22)}
.tile.displaced{background:rgba(213,255,62,.10);color:var(--signal);border-color:rgba(213,255,62,.78);box-shadow:inset 0 0 0 1px rgba(213,255,62,.16)}
.tile.displaced:after{border-color:rgba(213,255,62,.52);border-style:dashed}
.tile.excluded{background:rgba(169,39,32,.18);color:#f0c3be;border-color:rgba(255,59,48,.64);box-shadow:inset 0 0 0 1px rgba(255,59,48,.10)}
.key.locked{background:var(--signal);color:var(--ink);border-color:var(--signal);box-shadow:inset 0 0 0 1px rgba(12,14,11,.18)}
.key.displaced{background:rgba(213,255,62,.11);color:var(--signal);border-color:rgba(213,255,62,.72);box-shadow:inset 0 0 0 1px rgba(213,255,62,.12)}
.key.excluded{background:rgba(169,39,32,.22);color:#f0c3be;border-color:rgba(255,59,48,.58)}
.key.locked:after{content:'■';color:var(--ink);font-size:5px}.key.displaced:after{content:'◇';color:var(--signal)}.key.excluded:after{content:'×';color:var(--coral)}
.tile.locked:before{content:'■';color:var(--ink);font-size:6px}.tile.displaced:before{content:'◇';color:var(--signal)}.tile.excluded:before{content:'×';color:var(--coral)}
.console-foot .legend-mark{display:inline-grid;place-items:center;width:11px;height:11px;margin-right:3px;font-style:normal;font:900 8px var(--data)}.console-foot .legend-mark.locked,.console-foot .legend-mark.displaced{color:var(--signal)}.console-foot .legend-mark.excluded{color:var(--coral)}
.constraint-ledger #lockedLedger,.constraint-ledger #presentLedger{color:var(--signal)}.constraint-ledger #absentLedger{color:var(--coral)}
.high-contrast .tile.displaced,.high-contrast .key.displaced{outline:2px dashed var(--signal);outline-offset:-4px}.high-contrast .tile.excluded,.high-contrast .key.excluded{outline:2px solid var(--coral);outline-offset:-4px}

@media(max-width:760px){.letter-field{margin-top:5px}.letter-field-cell{min-height:43px;padding:6px 7px;gap:3px 6px}.letter-field-cell span{font-size:5px}.letter-field-cell strong{font-size:7px}.letter-field-cell small{font-size:8px}.console-foot .legend-mark{width:9px;height:9px;font-size:7px}}
@media(max-width:390px){.letter-field{grid-template-columns:1fr 1fr}.letter-field-cell.untested{display:none}.letter-field-cell{min-height:39px;padding:5px 6px}.letter-field-cell small{display:none}.letter-field-cell strong{font-size:6.5px;letter-spacing:.09em}.console-foot span{font-size:5px}}
@media(max-height:720px) and (max-width:760px){.letter-field{display:none}}
/* BUILD 001.7 — tutorial / evidence surfaces use the same canonical state language */
.state-swatch.locked{background:var(--signal);color:var(--ink);border-color:var(--ink)}
.state-swatch.displaced{background:var(--deep-paper);color:var(--ink);border-color:var(--signal);box-shadow:inset 0 0 0 3px var(--signal)}
.state-swatch.excluded{background:var(--red);color:var(--paper);border-color:var(--red);box-shadow:none}
.high-contrast .tile.displaced,.high-contrast .key.displaced{box-shadow:inset 0 0 0 2px var(--signal)}
.high-contrast .tile.excluded,.high-contrast .key.excluded{box-shadow:inset 0 0 0 2px var(--coral)}