:root{color-scheme:dark;--bg:#0d0e15;--panel:#171924;--ink:#edeef4;--muted:#aaaec2;--accent:#67ddd1;--line:#303346;--danger:#ff6a7a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer;color:var(--ink);border:1px solid var(--line);background:#222534;border-radius:7px;padding:9px 13px}button:hover{border-color:var(--accent)}button:disabled{opacity:.45;cursor:default}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}header{height:76px;display:flex;align-items:center;gap:24px;padding:0 max(24px,calc((100vw - 1040px)/2));background:#08090e;border-bottom:1px solid #242635}header>a:last-child{margin-left:auto;font-size:13px}.brand{font-size:25px;font-weight:700;color:#f3f4f9;letter-spacing:-1px}.brand span{color:var(--accent);font-weight:400}.subtitle{color:var(--muted);font-size:13px}.reset-btn{margin-left:8px;background:var(--accent);color:#08090e;border:0;font-weight:600;padding:7px 14px;border-radius:7px;cursor:pointer;font-size:13px}.reset-btn:hover{filter:brightness(1.15)}main{max-width:1040px;margin:auto;padding:32px 24px 24px}.intro{margin-bottom:26px}h1{font-size:28px;letter-spacing:-.6px;line-height:1.2;margin:0 0 10px}p{color:var(--muted);margin:6px 0 16px}h2{font-size:17px;margin:0 0 8px}.workspace{display:grid;gap:24px 36px;align-items:start}.preview{grid-column:1;grid-row:1 / span 2;min-width:0}.phone{background:#020305;border:3px solid #3a3b47;box-shadow:0 12px 36px #0008;border-radius:42px;padding:10px;max-width:460px;margin:auto}.screen{position:relative;border-radius:29px;overflow:hidden;background:black}canvas{display:block;width:100%;height:auto}.tile{position:absolute;border:0;border-radius:0;background:transparent;padding:0;touch-action:none;cursor:grab;clip-path:polygon(50% 0,97% 25%,97% 75%,50% 100%,3% 75%,3% 25%)}.tile:hover,.tile.selected{background:#69e5db25;outline:0}.tile:focus-visible{background:#69e5db55}.tile.selected{box-shadow:inset 0 0 0 2px var(--accent)}.hint{font-size:12px;text-align:center;margin-top:16px}.library{grid-column:2;grid-row:1;min-width:0}.rail-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.rail-head span,.rail-help,.rail-note,.source{font-size:12px;color:var(--muted)}#candidates{display:grid;grid-template-columns:1fr 1fr;gap:10px}.candidate{padding:16px 9px 12px;display:flex;flex-direction:column;align-items:center;background:var(--panel);border:1px solid transparent;border-radius:9px;touch-action:none;user-select:none;min-width:0;width:100%;text-align:center}.candidate img{width:86px;height:86px;object-fit:contain;pointer-events:none;user-select:none;-webkit-user-drag:none}.candidate strong{font-size:13px;font-weight:500;line-height:1.3;margin-top:8px}.candidate .dates{color:var(--accent);font-size:12px;margin-top:6px}.candidate small{font-size:11px;color:var(--muted);margin-top:3px}.candidate .availability{color:#d8bd85}.candidate:disabled{opacity:.55}.rail-note{margin:12px 0 3px}.settings{grid-column:2;grid-row:2;min-width:0}.panel{background:var(--panel);border-radius:9px;padding:18px;margin-bottom:12px}.panel p{font-size:12px;margin:8px 0 12px}.panel summary{cursor:pointer;font-weight:600;list-style-position:outside;margin-left:12px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.fields label:first-child{grid-column:1/-1}label{display:block;font-size:12px;color:var(--muted)}input,textarea{display:block;width:100%;min-width:0;background:#0d101a;border:1px solid #373b4d;border-radius:6px;color:var(--ink);padding:9px;margin-top:5px}input:focus{border-color:var(--accent);outline:0}.tools{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0}.tools button{font-size:12px;padding:7px 10px}.status{padding:12px 15px;border-radius:7px;margin-bottom:12px;font-size:12px;background:#12332f;color:#b3f5dd}.status.bad{background:#391c27;color:#ffadb5}.status ul{padding-left:16px;margin:8px 0}.status p{color:inherit;margin:0}.selected-title{overflow-wrap:anywhere}.owned-note{color:var(--accent)!important}#history{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;max-height:330px;overflow:auto;margin-top:12px}.historical{padding:5px;font-size:10px;min-width:0;overflow-wrap:anywhere}.historical img,.historical canvas{display:block;width:44px;height:48px;object-fit:contain;margin:auto}footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 0 18px;margin-top:24px;border-top:1px solid var(--line)}footer strong{font-size:19px}footer p{font-size:13px;margin:6px 0}.primary{background:var(--accent);color:#072b28;border:0;padding:14px 24px;font-weight:700;min-width:180px}.credits{font-size:11px;line-height:1.8}.credits a{color:var(--muted);text-decoration:underline}#ghost{position:fixed;z-index:99;pointer-events:none;width:65px;height:75px;transform:translate(-50%,-50%);opacity:.9}#ghost img,#ghost canvas{width:100%;height:100%;object-fit:contain}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:12px 20px;background:#c1f5e9;color:#12302b;border-radius:8px;z-index:100;max-width:92vw;box-shadow:0 4px 25px #0008}#share-fallback{height:100px;word-break:break-all}[hidden]{display:none!important}
@media(max-width:650px){header{height:60px;padding:0 12px;gap:12px}.brand{font-size:21px}.subtitle{display:none}main{padding:22px 8px 18px}.intro{padding:0 4px;margin-bottom:18px}.intro h1{font-size:24px}.intro p{font-size:12px;max-width:330px}.workspace{grid-template-columns:minmax(0,78fr) minmax(0,22fr);gap:10px 5px}.preview{grid-column:1;grid-row:1}.phone{border-radius:26px;padding:6px;border-width:2px}.screen{border-radius:18px}.hint{font-size:10px;line-height:1.4;margin:10px 6px}.library{grid-column:2;grid-row:1;position:sticky;top:8px}.rail-head{display:block}.rail-head h2{font-size:12px;white-space:nowrap}.rail-head span{font-size:10px}.rail-help{font-size:9px;line-height:1.4;margin:3px 0 8px}#candidates{display:flex;flex-direction:column;gap:7px}.candidate{padding:7px 2px;border-radius:5px}.candidate img{width:48px;height:48px;max-width:100%}.candidate strong{display:none}.candidate .dates{font-size:9px;white-space:nowrap;margin-top:2px}.candidate small{font-size:9px}.candidate .cost{display:none}.rail-note,.source{font-size:9px;line-height:1.5}.settings{grid-column:1/-1;grid-row:2;margin:12px 4px 0}.panel{padding:16px}.fields{gap:12px}.panel input{font-size:16px}footer{display:block;text-align:center;margin:16px 4px 0}footer .primary{width:100%;margin-top:12px}.credits{margin:0 6px;font-size:10px}.panel h2{font-size:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
/* Three-column desktop: phone 440px | palette 180px | settings 340px */
.workspace{display:grid;grid-template-columns:minmax(320px,440px) 180px minmax(280px,340px);gap:16px 20px;align-items:start}
.preview{grid-column:1;grid-row:1 / span 2;min-width:0}
.palette-wrap{grid-column:2;grid-row:1;min-width:0}
.library{position:sticky;top:16px;align-self:start}
.settings{grid-column:3;grid-row:1 / span 2;display:flex;flex-direction:column;gap:12px}
.settings>.panel{margin:0}
#validation{order:-1}.status{margin-bottom:0}
@media(max-width:650px){.library{top:8px}.settings{display:block}.settings>.panel{margin-bottom:12px}.status{margin-bottom:12px}}

.palette-wrap{grid-column:2;grid-row:1;min-width:0}

/* Reviewed responsive layout: simulator / single candidate rail / controls. */
main{max-width:1160px}header{padding-inline:max(20px,calc((100vw - 1112px)/2))}.workspace{grid-template-columns:minmax(0,440px) 166px minmax(0,340px);justify-content:center}.preview,.settings{grid-row:1}.preview{grid-column:1}.settings{grid-column:3}.palette-wrap{align-self:stretch}.rail-head{display:block}#candidates{display:flex;flex-direction:column}.library{max-height:calc(100dvh - 32px);display:flex;flex-direction:column}#candidates{min-height:0;overflow-y:auto;scrollbar-width:thin;overscroll-behavior:contain;padding-right:3px}.rail-help{margin-bottom:10px}.candidate{flex-shrink:0}.fields label:nth-child(2){grid-column:1/-1}select{width:100%;display:block;margin-top:5px;padding:10px;background:#0d101a;border:1px solid #373b4d;color:var(--ink);font:inherit;border-radius:6px}.section-toggle{position:absolute;border:0;padding:0;background:transparent;border-radius:0;cursor:pointer}.section-toggle:hover{background:#ffffff0c}.section-toggle:focus-visible{outline-offset:-3px}.primary{color:#061523}.settings #detail{order:1}.settings details{order:0}.settings details:nth-last-child(-n+2){order:2}
/* Language selector */
#lang-select{background:#0d101a;border:1px solid #373b4d;color:var(--ink);padding:5px 8px;border-radius:6px;font-size:13px;cursor:pointer}
#lang-select:hover{border-color:var(--accent)}
/* History toolbar */
.history-toolbar{display:flex;gap:6px;margin-bottom:8px}
.history-toolbar input{flex:1;min-width:0}
.history-toolbar select{background:#0d101a;border:1px solid #373b4d;color:var(--ink);padding:8px 10px;border-radius:6px;font-size:13px}
.history-ctrls{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px;padding:6px 0;border-bottom:1px solid var(--line)}
.history-ctrls button{padding:5px 10px;font-size:12px}
.history-ctrls span{font-size:12px;color:var(--muted)}
/* Upload panel */
#upload-panel summary{font-weight:600}
#rec-trigger{margin-top:8px}
/* Recognition modal */
.modal-overlay{position:fixed;inset:0;background:#000c;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px}
.modal-panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:28px;max-width:520px;width:100%;max-height:90vh;overflow-y:auto}
.modal-panel h2{font-size:20px;margin:0 0 16px}
.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:20px}
.modal-actions button{padding:10px 18px}
.modal-actions .primary{background:var(--accent);color:#061523;border:0;font-weight:600}
#rec-progress{padding:16px;text-align:center;color:var(--accent);font-size:16px}
#rec-report{font-size:14px;color:var(--muted);margin:8px 0}
#rec-preview{margin:12px 0}
/* Snapshot */
.snapshot-note{color:var(--danger);font-size:13px}
.suggestions{margin:10px 0;display:flex;flex-wrap:wrap;gap:6px}
.suggestions strong{display:block;width:100%;font-size:13px;color:var(--muted)}
.suggestions button{padding:5px 10px;font-size:12px}
@media(max-width:650px){.modal-panel{padding:16px;max-width:100%}.history-toolbar{flex-direction:column}.modal-actions{flex-direction:column}.modal-actions button{width:100%}#lang-select{font-size:12px;padding:4px 6px}}
@media(max-width:900px) and (min-width:651px){main{padding-inline:16px}.workspace{grid-template-columns:minmax(0,1fr) 120px minmax(230px,.8fr);gap:12px}.fields{grid-template-columns:1fr}.panel{padding:12px}.subtitle{display:none}}
@media(max-width:650px){.workspace{grid-template-columns:minmax(0,78fr) minmax(0,22fr);gap:10px 5px}.preview{grid-column:1;grid-row:1}.palette-wrap{grid-column:2;grid-row:1}.settings{grid-column:1/-1;grid-row:2;display:flex}.library{max-height:calc(100dvh - 16px);top:8px}.fields{grid-template-columns:1fr 1fr}.rail-note{display:none}.candidate .dates{white-space:normal}.reset-btn{padding:7px 9px;font-size:11px;margin-left:auto}header{gap:9px;padding:0 10px}header>a:last-child{font-size:10px;margin-left:0}.panel select{font-size:16px}.settings>.panel{margin:0}.settings{gap:12px}#validation .status{margin:0}}

.recognition-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px}.recognition-grid figure{margin:0;min-width:0;padding:4px}.recognition-grid img{width:100%;aspect-ratio:1;object-fit:contain}.recognition-grid figcaption{font-size:10px;overflow-wrap:anywhere}.recognition-grid .uncertain{outline:1px solid #e8ab55}.modal-panel{max-height:88vh;overflow:auto}.modal-overlay[hidden]{display:none}.rail-note{white-space:pre-line}#agentId,#currentAP,#goalAP,#recursionAP,#allTimeAP{font-family:"Scanner Exo",sans-serif}

.brand{font-size:36px;white-space:nowrap}.brand span{font-size:17px;letter-spacing:0}.welcome{margin-left:auto;font-size:12px;line-height:1.7;max-width:285px}.welcome span{color:var(--muted)}header{gap:20px}.subtitle{display:none}#history-tabs{display:flex;flex-wrap:wrap;gap:5px;margin-top:12px}#history-tabs button{font-size:11px;padding:7px 9px}#history-tabs button[aria-selected="true"]{background:var(--accent);color:#071019;border-color:var(--accent)}#history-category[hidden],#detail[hidden]{display:none}@media(max-width:750px){header{height:auto;min-height:76px;flex-wrap:wrap;padding:14px 18px;gap:10px}.brand{font-size:30px}.brand span{font-size:14px}.welcome{max-width:none;flex-basis:100%;margin:0}.reset-btn{margin-left:auto}}

#lang-select{width:auto;flex:none;margin:0}.history-ctrls{grid-column:1/-1}.recognition-grid img{max-height:90px}

/* ── Language buttons ── */
.lang-bar{display:flex;align-items:center;gap:4px;margin-left:auto;font-size:12px}
.lang-label{color:var(--muted);font-family:monospace}
.lang-btn{font-family:monospace;font-size:11px;padding:3px 6px;border:1px solid var(--line);background:transparent;color:var(--accent);border-radius:4px;cursor:pointer;min-width:28px;text-align:center}
.lang-btn[aria-pressed="true"]{background:var(--accent);color:#08090e;border-color:var(--accent);font-weight:700}
.lang-btn:hover{border-color:var(--ink)}

/* ── Mode toggle bar ── */
.mode-bar{display:flex;justify-content:flex-end;margin-bottom:8px}
.mode-bar button{font-size:12px;padding:4px 12px;border-radius:4px;background:transparent;color:var(--muted);border:1px solid var(--line)}
.mode-bar button[aria-pressed="true"]{background:var(--accent);color:#08090e;border-color:var(--accent);font-weight:600}
.mode-bar button:hover{border-color:var(--ink)}

/* ── 2×2 candidate pool grid ── */
.pool-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:4px;flex:1;min-height:0;overflow:hidden}
.pool-panel{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#0d101a;min-height:0}
.pool-title{font-size:10px;font-weight:600;padding:3px 4px;background:#141724;color:var(--muted);text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex-shrink:0}
.pool-scroll{flex:1;overflow-y:auto;scrollbar-width:thin;overscroll-behavior:contain;display:flex;flex-direction:column;gap:2px;padding:2px}
.pool-scroll:empty::after{content:attr(data-empty);display:block;padding:8px 4px;text-align:center;color:var(--muted);font-size:9px;white-space:pre-line}
.pool-scroll .candidate{padding:2px;border:0;border-radius:4px;background:transparent;display:flex;flex-direction:column;align-items:center;gap:1px;font-size:9px;cursor:grab}
.pool-scroll .candidate:hover{background:#1e2235}
.pool-scroll .candidate:disabled{opacity:.3;cursor:default}
.pool-scroll .candidate img{width:48px;height:48px;object-fit:contain}
.pool-scroll .candidate strong{display:none}
.pool-scroll .candidate .dates{font-size:8px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.pool-scroll .candidate .cost,.pool-scroll .candidate .availability{display:none}

/* ── Rail reset at top ── */
.rail-head .reset-btn{margin:0 0 4px;width:100%;padding:5px 10px;font-size:11px}

/* ── Rail sim text ── */
#rail-sim{display:block;font-size:10px;color:var(--muted);text-align:center;margin:6px 0 2px}

@media(max-width:650px){
 .mode-bar{margin-bottom:4px}
 .mode-bar button{font-size:10px;padding:3px 8px}
 .pool-grid{gap:2px}
 .pool-title{font-size:8px;padding:2px}
 .pool-scroll .candidate{padding:1px}
 .pool-scroll .candidate img{width:30px;height:30px}
 .pool-scroll .candidate .dates{font-size:7px}
 .pool-scroll:empty::after{font-size:7px;padding:4px 2px}
 .lang-bar{gap:2px}
 .lang-btn{font-size:10px;padding:2px 4px;min-width:22px}
 .lang-label{font-size:10px}
}

/* Reviewed language reference and final copy */
[hidden]{display:none!important}.lang-bar{gap:8px;white-space:nowrap}.lang-btn{border:0;border-radius:0;background:transparent!important;color:var(--accent);font-size:12px;min-width:0;padding:4px 0}.lang-btn[aria-pressed="true"]{color:var(--ink);background:transparent!important;text-shadow:0 0 8px #ffffff55}.lang-separator{color:var(--muted)}.pool-title{white-space:normal;text-overflow:clip;overflow-wrap:anywhere;line-height:1.35;min-height:32px;display:flex;align-items:center;justify-content:center}footer{flex-wrap:wrap}.acknowledgement{flex-basis:100%;font-size:13px;line-height:1.9;margin:18px 0 0;color:var(--muted)}.acknowledgement a{color:var(--accent);text-decoration:underline}

.pool-scroll .candidate-name{font-size:9px;line-height:1.2;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pool-scroll .dates{white-space:normal;overflow-wrap:anywhere;text-overflow:clip}.library{height:min(690px,calc(100dvh - 32px))}.pool-panel{min-width:0}@media(max-width:650px){.pool-scroll .candidate-name{font-size:7px}.library{height:min(590px,calc(100dvh - 16px))}}

.rail-head .reset-btn span{color:inherit}

@media(max-width:650px){header{gap:10px}.brand{order:0}.lang-bar{order:1;margin-left:auto}.welcome{order:2}}