/* The player's desk: content first, compact evidence, distinct acts of discovery. */
main#app{max-width:1264px;margin:auto;padding:40px 56px 72px;outline:none}.library-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:26px}.library-head h1{font-size:42px}.library-tools{display:flex;gap:14px;align-items:center}.library-tools .search-box{width:220px}.filters{display:flex;gap:28px;border-bottom:1px solid var(--ink);margin-bottom:0}.filter{position:relative;border:0;border-radius:0;padding:10px 0 13px;color:var(--muted);font-size:15px}.filter:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform 260ms var(--ease)}.filter.active{color:var(--ink)}.filter.active:after{transform:scaleX(1)}.puzzle-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:40px}.puzzle-grid>.empty{grid-column:1/-1}.puzzle-card{display:flex;width:100%;text-align:left;align-items:center;gap:18px;padding:15px 0;border:0;border-bottom:1px solid var(--line);background:transparent;min-width:0;min-height:124px;border-radius:0;isolation:isolate}.puzzle-card:before{content:"";position:absolute;inset:0 -12px;background:var(--white);opacity:0;z-index:-1;transform:scaleX(.95);transform-origin:left;transition:opacity 180ms,transform 260ms var(--ease)}.puzzle-card:hover:before,.puzzle-card:focus-visible:before{opacity:1;transform:none}.card-art{position:relative;width:94px;height:94px;flex:0 0 94px;display:grid;place-items:center}.card-art img{display:block;width:110px;height:110px;max-width:none;object-fit:contain;transform:rotate(-2deg);transition:transform 650ms cubic-bezier(.15,.85,.25,1),filter 250ms}.puzzle-card:hover .card-art img{transform:translateY(-3px) rotate(4deg);filter:contrast(1.08)}.card-body{min-width:0;flex:1}.card-title{display:block;font-family:var(--serif);font-size:25px;font-weight:500;line-height:1.5;letter-spacing:.015em}.card-type{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-top:5px}.card-progress{color:var(--positive)}.puzzle-card>.icon{width:19px;height:19px;margin-left:auto;flex-shrink:0;transition:transform 260ms var(--ease);color:var(--muted)}.puzzle-card:hover>.icon{transform:translateX(4px);color:var(--accent)}.library-bottom{height:16px;border-bottom:1px solid var(--ink)}.play-nav{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--ink)}.play-heading{display:flex;align-items:center;gap:12px;min-width:0}.play-heading h1{font-size:32px}.play-heading>.icon-button{margin-left:-10px}.play-nav .actions{gap:0;flex-shrink:0}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 264px;gap:52px;align-items:start}.main-column,.sidebar{min-width:0}.surface-panel{position:relative;padding:0 0 24px;margin:0}.surface{font-size:18px;line-height:1.95;white-space:pre-wrap;max-width:720px}.composer{position:relative;padding:0 20px 12px;margin-bottom:32px;border:1px solid var(--line);background:var(--white);border-top:2px solid var(--ink);transition:border-color 250ms}.composer:focus-within{border-top-color:var(--accent)}.composer-tabs{position:relative;display:flex;gap:24px;margin-bottom:5px;border-bottom:1px solid var(--line)}.composer-tabs button{border:0;border-bottom:2px solid transparent;border-radius:0;padding:10px 0 9px;color:var(--muted);gap:8px;min-height:44px}.composer-tabs button.active{color:var(--ink);border-color:var(--accent)}.composer-tabs .icon{width:17px;height:17px}.composer textarea{border:0;padding:10px 0 4px;min-height:76px;max-height:280px;background:transparent;line-height:1.8;resize:vertical}.composer textarea:focus-visible{outline:0}.composer-tabs:has(~form textarea:focus-visible){border-bottom-color:var(--accent)}.form-bottom{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-top:5px;position:relative}.form-bottom>.primary{align-self:flex-end}.composer button[type=submit]{background:var(--accent);border-color:var(--accent)}.composer button[type=submit]:hover:not(:disabled){background:var(--ink);border-color:var(--ink)}.composer button[type=submit]:disabled{background:var(--accent)}.examples{flex:1;max-width:calc(100% - 54px)}.examples>summary{font-size:14px;color:var(--muted);width:max-content;gap:10px}.examples>summary:after{font-size:17px}.suggestions{display:grid;gap:3px;padding:4px 0 8px}.suggestion{text-align:left;justify-content:flex-start;font-size:15px;line-height:1.6;padding:9px 11px;background:var(--paper);border-color:transparent}.attempts{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-family:var(--mono);font-size:14px;min-height:44px}.history-panel>.panel-head{display:flex;align-items:center;gap:12px;margin-bottom:5px;border-bottom:1px solid var(--line);padding-bottom:10px}.history-panel h2{font-family:var(--serif);font-size:23px;font-weight:500;white-space:nowrap}.history-search{max-width:240px;flex:1;margin-left:auto}.history-search input{font-size:14px;min-height:44px;border-color:transparent;border-bottom-color:var(--line);padding-top:7px;padding-bottom:7px}.history-tools{display:flex;align-items:center;margin-left:0}.history-tools select{width:88px;padding:7px 9px;min-height:44px;background:transparent;border-color:transparent;font-size:14px}.log-item{padding:15px 0 16px;border-bottom:1px solid var(--line);min-width:0;position:relative}.log-item.new-entry:before{content:"";position:absolute;left:-12px;top:17px;height:20px;width:2px;background:var(--accent);animation:proof-mark 1600ms var(--ease) both}.log-top{display:flex;align-items:flex-start;gap:9px;margin-bottom:6px}.log-top>.icon{width:16px;height:16px;color:var(--muted);margin-top:5px}.log-question{flex:1;min-width:0}.log-top>.icon-button{width:44px;height:44px;margin:-7px 0 -6px;color:var(--muted)}.guess-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:15px;min-height:30px}.match-score{font-family:var(--mono);font-size:18px;font-weight:500;letter-spacing:-.5px;margin-left:6px}.feedback-details{margin:0;flex:1;min-width:100px}.feedback-details>summary{font-size:14px;color:var(--muted);min-height:44px;width:max-content;gap:10px}.feedback-details>summary:after{font-size:17px}.feedback-details[open]{flex-basis:100%}.feedback{padding:2px 0 5px;display:flex;flex-wrap:wrap;gap:6px 18px}.answer-result,.result-line{display:flex;align-items:center;gap:8px;font-size:15px;line-height:1.6}.answer-result{margin-top:5px}.answer-result .icon,.result-line .icon{width:16px;height:16px}.result-line{padding:12px 0;border-bottom:1px solid var(--line)}.entry-heading{display:flex;align-items:center;gap:9px;margin-bottom:5px;font-size:16px}.entry-heading>.icon{width:18px;height:18px}.more-history{width:100%;border:0;min-height:44px;color:var(--muted);margin-top:4px}.history-panel .empty{min-height:78px;padding:18px}.sidebar{border-left:1px solid var(--line);padding-left:24px;position:sticky;top:24px}.side-section{padding-bottom:21px;margin-bottom:21px;border-bottom:1px solid var(--line)}.side-section:last-child{border:0;margin-bottom:0}.side-section h2{font-size:16px;font-weight:550}.side-section .panel-head{min-height:32px;margin-bottom:6px}.guidance-panel .panel-head{margin-bottom:0}.guidance-panel .icon-button,.exam-launch .icon-button{margin-right:-8px}.exam-launch .panel-head{margin:0}.hint-slots,.milestone-list{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:9px;line-height:1.8}.hint-slots span,.milestone.locked{font-family:var(--mono);color:#8a8175;font-size:15px;letter-spacing:.04em}.milestone{font-size:16px}.milestone.earned{color:var(--positive);position:relative}.milestone.earned.new-entry{animation:milestone-reveal 650ms cubic-bezier(.2,.85,.2,1) both}.unlocked-hint{border-bottom:1px solid var(--line)}.unlocked-hint summary{font-size:15px;padding:7px 0;line-height:1.7}.unlocked-hint p{font-size:15px;line-height:1.85;padding:3px 0 12px;white-space:pre-wrap}.notes-panel .icon{width:17px;height:17px;color:var(--muted)}.notes{background:transparent;border:0;border-bottom:1px solid var(--line);min-height:76px;padding:5px 0;line-height:1.85;font-size:16px}.exam-panel{--line:#514d46;--soft:#33312c;background:var(--ink);color:var(--white);padding:23px 24px 18px;margin-bottom:28px;position:relative;border-left:3px solid var(--accent)}.exam-panel .panel-head{margin-bottom:16px}.exam-panel h2{font-size:17px;font-weight:500}.exam-progress{display:flex;gap:6px}.exam-step{width:28px;height:28px;display:grid;place-items:center;border-bottom:1px solid #6b6357;font-family:var(--mono);font-size:14px;color:#b8b1a5}.exam-step.current{border-color:#eaa58e;color:white}.exam-step.correct{color:#b9d6c4;border-color:#88ad95}.exam-step.incorrect{color:#eaa58e;border-color:#eaa58e}.exam-step>.icon{width:17px;height:17px}.exam-question{font-size:18px;line-height:1.85}.anon-values{display:flex;align-items:baseline;flex-wrap:wrap;gap:12px 22px;padding:18px 0 21px}.anon-value{font-family:var(--mono);font-size:20px;color:#bdb5a8;line-height:1.4}.anon-value.max{font-size:31px;color:#f6d5c9;border-bottom:1px solid var(--accent)}.exam-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.choice{justify-content:space-between;text-align:left;background:transparent;border-color:#575146;color:#eee8df;min-height:48px;font-size:16px;padding:10px 13px;transition:background 150ms,border 150ms}.choice>.icon{width:17px;height:17px;visibility:hidden}.choice.selected{background:#f0e5d5;color:var(--ink);border-color:#f0e5d5}.choice.selected>.icon{visibility:visible;color:var(--accent)}.choice:hover:not(:disabled){background:#3b3730;color:#fff}.choice.selected:hover:not(:disabled){background:#f0e5d5;color:var(--ink)}.exam-panel .form-bottom{margin-top:14px;align-items:center}.exam-panel .form-bottom>.primary{background:var(--white);color:var(--ink);border-color:var(--white)}.exam-panel .form-bottom>.icon-button:hover{background:#3b3730;color:white}.exam-panel .form-bottom>.primary:hover:not(:disabled){background:#edc7b7;border-color:#edc7b7}.success{position:relative;margin-bottom:24px;padding:18px 20px;border:1px solid var(--line);border-left:3px solid var(--positive);background:var(--white)}.success h2{font-family:var(--serif);font-size:26px;font-weight:500;display:flex;align-items:center;gap:12px}.success h2>.icon{color:var(--positive)}.success .panel-head{margin-bottom:2px}.success summary{font-size:15px;color:var(--muted);width:100%;min-height:44px}.solution{line-height:1.9;white-space:pre-wrap;font-size:17px;padding-top:10px}.auth-scene{max-width:1000px;min-height:570px;margin:3vh auto 0;display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:66px}.auth-art{position:relative;width:100%;aspect-ratio:1;display:grid;place-items:center}.auth-art:before{content:"";position:absolute;width:77%;height:77%;border:1px solid var(--line);transform:rotate(-12deg)}.auth-art:after{content:"";position:absolute;bottom:6%;height:1px;width:45%;background:var(--line)}.auth-art img{width:115%;max-width:none;height:auto;position:relative;filter:contrast(1.04);pointer-events:none;will-change:transform;animation:object-settle 1700ms cubic-bezier(.05,.8,.2,1) both}.auth-panel{width:100%;max-width:360px;position:relative;margin:0 auto;padding-top:18px}.auth-panel:before{content:"";display:block;width:34px;height:2px;background:var(--accent);margin-bottom:24px}.auth-panel h1{font-family:var(--serif);font-size:38px;letter-spacing:.08em;font-weight:500}.auth-panel form{display:grid;gap:23px;margin-top:30px}.auth-panel label{font-size:15px}.auth-panel input{background:transparent;border:0;border-bottom:1px solid #aca292;padding:10px 0;min-height:46px}.auth-panel .password-wrap input{padding-right:50px}.auth-panel button[type=submit]{width:100%;justify-content:space-between;padding:12px 16px;margin-top:7px;background:var(--accent);border-color:var(--accent)}.auth-panel button[type=submit]:hover{background:var(--ink);border-color:var(--ink)}.auth-panel .admin-entry{display:flex;margin:14px -8px 0 auto;color:var(--muted)}.auth-panel:not(.auth-scene .auth-panel){margin:7vh auto 0}.account-history{max-width:100%;border-top:1px solid var(--ink)}.account-session{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:66px;text-align:left;padding:10px 4px;border:0;border-bottom:1px solid var(--line);background:transparent}.account-session>span{display:flex;align-items:center;gap:15px}.account-session strong{font-family:var(--serif);font-weight:500;font-size:21px}.account-session>.session-end{font-size:14px;color:var(--muted)}.account-session>.session-end .icon{width:18px;height:18px}.account-session:hover{background:var(--white)}
@keyframes proof-mark{0%{transform:scaleY(0);transform-origin:top}25%,75%{transform:scaleY(1);opacity:1}100%{opacity:0}}@keyframes milestone-reveal{0%{clip-path:inset(0 100% 0 0);transform:translateX(-3px)}100%{clip-path:inset(0);transform:none}}@keyframes object-settle{from{transform:translateY(22px) rotate(-7deg);opacity:.3}to{transform:none;opacity:1}}
@media(max-width:1100px){main#app{padding:32px 36px 56px}.workspace{grid-template-columns:minmax(0,1fr) 232px;gap:30px}.puzzle-grid{column-gap:28px}.card-art{width:80px;height:84px;flex-basis:80px}.card-art img{width:99px;height:99px}.card-title{font-size:23px}.auth-scene{gap:32px;min-height:530px}.auth-panel{max-width:330px}}
@media(max-width:760px){main#app{padding:25px 20px 48px}.library-head{gap:15px;flex-wrap:wrap;margin-bottom:18px}.library-head h1{font-size:33px}.library-tools{gap:8px;flex:1;justify-content:flex-end}.library-tools .search-box{width:auto;max-width:210px;flex:1}.library-tools button{padding:9px 11px}.filters{gap:24px}.puzzle-grid{grid-template-columns:1fr}.puzzle-card{gap:15px;min-height:106px;padding:10px 0}.card-art{width:74px;height:82px;flex-basis:74px}.card-art img{width:94px;height:94px}.card-title{font-size:23px}.card-type{font-size:14px;gap:8px}.play-nav{gap:8px;flex-wrap:wrap;margin-bottom:17px;padding-bottom:13px}.play-heading{gap:5px}.play-heading h1{font-size:26px;line-height:1.5}.play-nav .actions{margin-left:auto}.workspace{display:flex;flex-direction:column;gap:21px}.main-column{width:100%;display:contents}.surface-panel{order:0;padding:0;width:100%}.surface{font-size:17px;line-height:1.85}.composer,.exam-panel,.success{order:1;width:100%;margin:0}.composer{padding:0 13px 9px}.composer textarea{min-height:76px;font-size:16px}.history-panel{order:2;width:100%}.history-panel>.panel-head{gap:7px;padding-bottom:8px;margin-bottom:0}.history-panel h2{font-size:22px}.history-search{min-width:90px;max-width:none;margin-left:auto}.history-search input{padding-left:32px}.history-search>.icon{left:6px;width:17px}.history-tools select{width:75px;padding-inline:5px}.log-item{padding:13px 0}.log-top{gap:7px}.log-item.new-entry:before{left:-8px}.sidebar{order:3;border-left:0;border-top:1px solid var(--line);padding:17px 0 0;position:static;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:20px 23px}.side-section{padding-bottom:14px;margin:0}.notes-panel{grid-column:1/-1}.exam-launch{grid-column:1/-1;padding-bottom:12px}.milestone-list,.hint-slots{gap:7px 14px}.notes{min-height:58px}.exam-panel{padding:18px 16px 14px}.exam-question{font-size:17px}.exam-panel .panel-head{margin-bottom:13px}.anon-values{gap:10px 18px;padding:14px 0 18px}.anon-value{font-size:18px}.anon-value.max{font-size:27px}.choice{font-size:15px;padding:9px 11px;min-height:46px}.exam-step{width:25px;height:25px}.success{padding:14px 16px}.success h2{font-size:24px}.auth-scene{display:flex;flex-direction:column;min-height:0;gap:0;margin:0 auto}.auth-art{width:154px;height:125px;aspect-ratio:auto;margin:-6px 0 8px}.auth-art img{width:170px;height:170px;object-fit:contain}.auth-art:before{width:100px;height:100px}.auth-art:after{display:none}.auth-panel{max-width:340px;padding-top:0}.auth-panel:before{display:none}.auth-panel h1{font-size:31px}.auth-panel form{margin-top:23px;gap:20px}.auth-panel:not(.auth-scene .auth-panel){margin-top:3vh}.account-session{gap:12px}.account-session>span{gap:12px}.account-session strong{font-size:20px}.account-session time{display:none}.auth-panel button[type=submit]{margin-top:2px}}
@media(max-width:360px){main#app{padding-inline:16px}.library-tools{width:100%;flex-basis:100%;justify-content:space-between}.library-tools .search-box{max-width:none}.play-heading h1{font-size:23px}.play-nav .actions{gap:0}.history-panel>.panel-head{flex-wrap:wrap}.history-search{order:3;flex-basis:100%}.history-tools{margin-left:auto}.auth-art{height:106px;width:136px}.auth-art img{width:148px;height:148px}.auth-art:before{width:80px;height:80px}.auth-panel form{gap:17px}.card-title{font-size:22px}.card-art{width:67px;flex-basis:67px}.card-art img{width:85px;height:85px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Review pass: on phones, long hints use the full width instead of a narrow column. */
@media(max-width:760px){
 .sidebar{display:block;padding-top:6px}.side-section{margin:0;padding:13px 0;border-bottom:1px solid var(--line)}
 .guidance-panel .panel-head{margin-bottom:0}.unlocked-hint p{line-height:1.8;padding-bottom:9px}
 .milestone-panel{display:grid;grid-template-columns:72px minmax(0,1fr);gap:12px;align-items:start}
 .milestone-panel h2{line-height:1.8}.milestone-panel .milestone-list{margin:0;gap:6px 14px}
 .notes-panel{display:grid;grid-template-columns:72px minmax(0,1fr);gap:12px;align-items:start}
 .notes-panel .panel-head{margin:0;justify-content:flex-start;gap:9px;min-height:28px}.notes-panel .panel-head>.icon{display:none}
 .notes-panel .notes{min-height:70px}.exam-launch .panel-head{margin:0}
}

/* Optional artwork can fail without blocking the task or leaving a broken image. */
.card-art.art-unavailable:after,.auth-art.art-unavailable:after{content:"";display:block;position:absolute;width:42px;height:42px;left:calc(50% - 21px);top:calc(50% - 21px);bottom:auto;border:1px solid var(--accent);background:linear-gradient(135deg,transparent 46%,var(--accent) 47%,var(--accent) 51%,transparent 52%);transform:rotate(-12deg)}

.inquiry-number{font-family:var(--mono);font-size:14px;line-height:1.7;white-space:nowrap;color:var(--muted);align-self:center}.composer .form-bottom:has(.inquiry-number){flex-wrap:wrap;gap:7px 16px}.composer .form-bottom:has(.inquiry-number) .examples{flex:1;min-width:65px}.history-exam-note{font-size:14px;color:#d9c4b7;line-height:1.8;margin-bottom:11px}.record-inquiry{font-family:var(--mono);font-size:14px;color:var(--muted);margin-right:10px}