@font-face{font-family:DM;font-style:normal;font-weight:400 700;font-display:swap;src:url('../fonts/dm-sans.ttf')}@font-face{font-family:Manrope;font-style:normal;font-weight:400 800;font-display:swap;src:url('../fonts/manrope.ttf')}
:root{--paper:#f4f1e9;--ink:#314b45;--muted:#718079;--line:#dedfd4;--accent:#ad563c;--light:#f2e0d0;--mint:#dcebbf}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:DM,sans-serif}button,select{font:inherit}button{cursor:pointer}button:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}header{max-width:1180px;margin:auto;padding:24px 40px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;gap:10px;align-items:center;font-family:Manrope,sans-serif;font-size:25px;font-weight:800;letter-spacing:-1.4px;text-decoration:none;color:var(--ink)}.brand-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--accent);color:#fff9f2;font-size:27px}.header-actions{display:flex;gap:24px;align-items:center}.prototype,.eyebrow{font-size:10px;letter-spacing:1.6px;font-weight:700}.prototype{color:var(--muted)}.outline{border:1px solid #c8cfc5;padding:10px 16px;border-radius:9px;background:#fffdf7;color:var(--ink)}main{max-width:1000px;margin:auto;padding:0 36px}.intro{text-align:center;padding:32px 0 30px}.intro>.eyebrow{color:var(--accent)}h1{font-family:Manrope,sans-serif;font-size:46px;line-height:1.08;letter-spacing:-2px;font-weight:500;margin:12px 0}h1 br{display:none}.intro p{color:var(--muted);margin:0;font-size:14px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:24px;align-items:start}.board-card{background:#fffdf8;border:1px solid var(--line);border-radius:22px;padding:24px 26px 18px}.board-top{display:flex;justify-content:space-between;align-items:center;gap:8px}h2{font-family:Manrope,sans-serif;font-size:18px;letter-spacing:-.6px;font-weight:600;margin:7px 0}.board-top .eyebrow{color:var(--accent);font-size:9px}.size-pill{white-space:nowrap;font-size:11px;padding:8px 10px;background:#f0eee6;border-radius:8px;color:var(--muted)}.rules{display:flex;justify-content:space-between;gap:8px;font-size:11px;color:var(--muted);margin:14px 0}.clue{background:var(--light);border-radius:12px;padding:15px 17px;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.clue .eyebrow{color:#98513c;font-size:9px}.clue p{margin:7px 0 0;font-size:18px;line-height:1.35;letter-spacing:-.3px}.text-button{border:0;background:none;color:var(--ink);font-size:12px;white-space:nowrap;padding:8px 2px}.grid{display:grid;gap:7px;touch-action:none;user-select:none}.cell{aspect-ratio:1;border:1px solid transparent;border-radius:10px;background:#eff1e8;color:var(--ink);font-family:Manrope,sans-serif;font-size:25px;font-weight:600;display:grid;place-items:center;padding:0;transition:background .15s,transform .15s}.cell:hover{background:#e2e9d8}.cell.selected{background:var(--ink);color:white;transform:scale(.95)}.cell.nudge{border:2px solid var(--accent)}.board-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:14px;font-size:12px;color:var(--muted)}#selection.active{font-size:17px;color:var(--ink);font-weight:700;letter-spacing:4px}#feedback{margin:5px 0 0;padding:12px 0;border-top:1px solid #ecebe4;color:var(--muted);font-size:12px;line-height:1.4;min-height:40px}#feedback.success{color:#416033}.hint-row{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #ecebe4;padding-top:10px;font-size:12px;color:var(--muted)}.hint-button{border:1px solid #d9d5c8;border-radius:8px;background:transparent;padding:8px 12px;color:var(--accent);font-size:12px}.hint-button:disabled{opacity:.5;cursor:default}aside{display:grid;gap:16px}.progress-card{background:var(--ink);border-radius:18px;padding:21px;color:#fffdf8}.progress-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.progress-heading .eyebrow{font-size:8px;color:#d1dbc8;letter-spacing:1.1px}#progress{font-size:12px;white-space:nowrap}.progress-track{height:4px;background:#ffffff20;border-radius:6px;margin-top:17px}.progress-track div{height:100%;background:var(--mint);width:0;border-radius:6px;transition:width .2s}.progress-card p{font-size:12px;color:#d0dbcd;margin:12px 0 0}#found-list{display:flex;flex-wrap:wrap;gap:7px}#found-list span{margin-top:12px;padding:5px 10px;border-radius:7px;background:#ffffff15;font-weight:600;letter-spacing:1px}.clue-card{border:1px solid var(--line);border-radius:18px;background:#fffdf8;padding:18px}.clue-card-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.clue-card-heading span{font-size:10px;color:var(--muted)}.clue-item{display:flex;gap:11px;align-items:flex-start;text-align:left;width:100%;background:none;border:0;border-bottom:1px solid #ecebe4;padding:14px 5px;color:var(--ink);font-size:13px;line-height:1.5}.clue-item:last-child{border-bottom:0}.clue-item .num{color:var(--muted);font-size:10px;padding-top:2px;min-width:17px}.clue-item.current{background:#f4eee3;border-radius:8px}.clue-item.solved{color:#768073}.clue-item strong{margin-left:6px;color:#40613b}.aside-note{font-size:12px;line-height:1.7;color:var(--muted);text-align:center;margin:0}footer{padding:26px 0;font-size:9px;letter-spacing:1.3px;text-align:center;color:var(--muted)}footer span{display:block;margin-top:8px;letter-spacing:0;font-size:11px}.grid-stage{position:relative;overflow:hidden;border-radius:12px}#complete{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:#fffdf8f5;padding:20px}#complete h2{font-size:30px;margin:12px 0}#complete p{font-size:13px;color:var(--muted)}.primary{background:var(--ink);color:#fffdf8;border:0;border-radius:10px;padding:14px 18px;font-size:13px}.finished .cell{animation:fall .7s both;animation-delay:calc(var(--i)*12ms)}@keyframes fall{to{transform:translateY(400px) rotate(35deg);opacity:0}}dialog{border:1px solid var(--line);border-radius:22px;max-width:420px;width:calc(100% - 32px);max-height:calc(100dvh - 32px);padding:28px;background:#fffdf8;color:var(--ink)}dialog::backdrop{background:#314b4570;backdrop-filter:blur(4px)}dialog h2{font-size:25px;margin:10px 0}dialog p{font-size:13px;line-height:1.6;color:var(--muted)}.close{position:absolute;right:18px;top:14px;border:0;background:none;font-size:23px;color:var(--ink)}dialog label{display:block;margin:18px 0 8px;font-size:13px;font-weight:700}dialog select{width:100%;border:1px solid #d5d9cd;background:#f5f4ed;padding:12px;border-radius:9px;color:var(--ink)}dialog .primary{width:100%;margin-top:8px}.settings-note{margin:20px 0 10px}
@media(max-width:700px){header{padding:12px 16px}.brand{font-size:23px}.brand-icon{width:34px;height:34px;font-size:24px}.prototype{display:none}main{padding:0 12px}.intro{padding:18px 0}.intro>.eyebrow{font-size:8px}h1{font-size:30px;letter-spacing:-1.2px;margin:8px 0}.intro p{font-size:12px}.layout{grid-template-columns:1fr;gap:12px}.board-card{padding:16px 16px 12px;border-radius:18px}.board-top h2{font-size:16px}.board-top .eyebrow{display:none}.rules{margin:10px 0;font-size:10px}.clue{padding:12px 14px;margin-bottom:14px}.clue p{font-size:17px}.grid{gap:6px}.cell{font-size:25px;border-radius:9px}.board-bottom{margin-top:10px;font-size:11px}#feedback{font-size:11px;padding:9px 0;min-height:34px}.hint-row{padding-top:8px}.progress-card{padding:14px 18px;border-radius:13px}.progress-track{margin-top:10px}.progress-card p{display:none}.progress-heading .eyebrow{font-size:9px}.clue-card{padding:15px 18px}.aside-note{display:none}footer{padding:20px 0}.grid[data-size="8"] .cell{font-size:20px}.outline{font-size:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

.cell.selected.correct{position:relative;z-index:1;background:#dcebbf;color:#314b45;border-color:#799d58;animation:correct-pop .65s ease-out both}
.cell.correct::after{content:'';position:absolute;left:50%;top:50%;width:4px;height:4px;border-radius:1px;background:#ad563c;box-shadow:-15px -18px #d4a94d,17px -14px #799d58,-20px 8px #799d58,19px 13px #d4a94d,0 22px #ad563c;animation:party-pop .65s ease-out both;pointer-events:none}
.cell.selected.incorrect{background:#f7d4cf;border-color:#c56e61;color:#973a2e;animation:incorrect-shake .4s ease-out both}
@keyframes correct-pop{0%{transform:scale(.97)}25%{transform:scale(1.12)}55%{transform:scale(.99)}100%{transform:scale(1)}}
@keyframes party-pop{0%{transform:translate(-50%,-50%) scale(.25);opacity:0}20%{opacity:1}100%{transform:translate(-50%,-50%) scale(1.7) rotate(35deg);opacity:0}}
@keyframes incorrect-shake{20%,60%{transform:translateX(-3px)}40%,80%{transform:translateX(3px)}100%{transform:translateX(0)}}
@media(prefers-reduced-motion:reduce){.cell.correct,.cell.incorrect,.cell.correct::after{animation:none!important}.cell.correct::after{display:none}}

.hint-actions{display:flex;align-items:center;gap:14px}.hint-actions .text-button{color:var(--accent);font-size:11px;text-decoration:underline;text-underline-offset:3px}.precedence-note{font-size:11px;color:var(--muted);margin:-3px 0 14px}.precedence-note summary{cursor:pointer;color:var(--accent);padding:3px 0}.precedence-note p{line-height:1.6;margin:8px 0}.solution-equation{font-family:Manrope,sans-serif!important;font-size:25px!important;font-weight:600;color:var(--ink)!important;background:var(--light);border-radius:10px;padding:16px;letter-spacing:.2px}.solution-steps{padding-left:23px;font-size:14px;line-height:1.7}.solution-steps li{padding:0 0 12px 6px}.solution-result{display:flex;justify-content:space-between;align-items:center;padding:14px 17px;background:#eaf0de;border-radius:12px;font-size:13px}.solution-result strong{font-family:Manrope,sans-serif;font-size:32px}#solution-rules{font-size:12px;border-left:3px solid var(--accent);padding-left:12px}@media(max-width:700px){.clue p{font-size:20px;letter-spacing:.5px}.hint-actions{gap:12px}.board-top h2{font-size:15px}}

.clue{display:block}.clue-question{display:flex;align-items:center;justify-content:space-between;gap:12px}.clue .hint-row{margin-top:12px;padding-top:9px;border-top:1px solid #ad563c25;gap:10px}.clue .hint-button{background:#fffdf880;border-color:#ad563c35}.clue #hint-text{font-size:11px;line-height:1.4}.clue .hint-actions{flex-shrink:0}@media(max-width:700px){.clue .hint-row{margin-top:10px;padding-top:8px}}

.rules{align-items:center}.direction-symbol{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;color:var(--ink);flex-shrink:0}.direction-symbol svg{width:100%;height:100%}.board-direction{width:23px;height:23px}.setting-label{display:block;margin:18px 0 8px;font-size:13px;font-weight:700}.direction-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.direction-options button{display:flex;flex-direction:column;align-items:center;gap:7px;padding:12px 6px;border:1px solid #d5d9cd;border-radius:9px;background:#f5f4ed;color:var(--ink);font-size:12px}.direction-options button[aria-pressed="true"]{background:#e4ecd5;border-color:#8b9c78}.direction-options .direction-symbol{width:32px;height:32px}

.selection-actions{display:flex;align-items:center;gap:12px}.check-answer{border:0;border-radius:8px;padding:10px 12px;background:var(--ink);color:#fffdf8;font-size:12px;white-space:nowrap}.check-answer:disabled{opacity:.4;cursor:default}.board-bottom:has(.check-answer:not([hidden])) #selection{letter-spacing:1px}