@font-face{font-family:"Open Sans";src:url('/assets/fonts/OpenSans-Variable.ttf') format('truetype');font-weight:300 800;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url('/assets/fonts/JetBrainsMono-Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url('/assets/fonts/JetBrainsMono-Bold.woff2') format('woff2');font-weight:700;font-display:swap}
:root{color-scheme:light;--ink:#25313b;--muted:#65717b;--line:rgba(74,91,105,.16);--accent:#416f85;--accent-ink:#fff;--display:"JetBrains Mono",monospace;font:15px/1.6 "Open Sans",sans-serif;background:#e9eff1;color:var(--ink)}
*{box-sizing:border-box}body{margin:0;min-height:100dvh}body:before{content:"";position:fixed;inset:-24px;z-index:-2;background:url('/assets/background.jpg') center/cover no-repeat;filter:blur(6px) saturate(.85);transform:scale(1.04)}body:after{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(135deg,rgba(240,245,247,.35),rgba(248,246,242,.25))}
button,input,textarea,select{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:44px;border:1px solid transparent;border-radius:11px;padding:.7rem 1.05rem;font-size:.88rem;font-weight:600;cursor:pointer;text-decoration:none;transition:background .18s,box-shadow .18s,transform .18s}button:hover,.button:hover{filter:brightness(.97)}button:active,.button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:default;transform:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #4c7c98;outline-offset:3px}a{color:#315f78}.primary{background:var(--accent);color:#fff;box-shadow:0 3px 8px #274b6814}.quiet{background:rgba(255,255,255,.58);border-color:var(--line);color:var(--ink)}.text-button{color:var(--muted);background:none;border:0;font-size:.8rem;padding:.5rem}.danger{background:#f7e8e5;color:#913d34;border-color:#e7c6bf}.wide{width:100%;margin-top:1.2rem}
.topbar{max-width:1180px;margin:auto;padding:1.4rem 2rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}.brand{font-family:var(--display);font-size:.87rem;text-decoration:none;font-weight:700;color:var(--ink)}.brand span{font-weight:400;color:#586771}.top-actions{display:flex;align-items:center;gap:.7rem}.tag{display:inline-block;font-size:.74rem;color:var(--muted);background:rgba(89,111,124,.055);border-radius:7px;padding:.25rem .55rem;white-space:nowrap}.version{font-family:var(--display);font-size:.7rem;color:var(--muted)}.sound-toggle{font-size:.77rem;min-height:38px;padding:.4rem .7rem;background:rgba(255,255,255,.45)}.sound-cross{display:none}.sound-toggle[aria-pressed=false] .sound-waves{display:none}.sound-toggle[aria-pressed=false] .sound-cross{display:block}
.student-main{max-width:1060px;margin:2rem auto;padding:0 2rem}.panel,dialog{background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.9);border-radius:24px;box-shadow:0 18px 65px rgba(32,53,66,.10);backdrop-filter:blur(24px)}.panel{padding:2.2rem}.welcome{max-width:440px;margin:5vh auto 0;padding:2.8rem}.welcome-die{font-size:4.5rem;line-height:1.2;color:#66889a;margin-bottom:1.6rem}.welcome h1{font-size:1.7rem}.welcome .lead{margin:1rem 0 2rem}
h1,h2,h3{font-family:var(--display);font-weight:700;overflow-wrap:anywhere}h1{font-size:clamp(1.5rem,2.5vw,2rem);line-height:1.35;margin:0 0 .7rem;letter-spacing:-.055em}h2{font-size:1.15rem;line-height:1.55;margin:.2rem 0 1rem;letter-spacing:-.04em}h3{font-size:.95rem;line-height:1.6}.lead{color:var(--muted);font-size:.93rem;margin:.5rem 0 1.4rem}.muted,footer{color:var(--muted)}.eyebrow,.step-label{font-family:var(--display);font-size:.72rem;font-weight:400;letter-spacing:0;color:var(--muted);margin:0 0 .65rem}.step-label{display:block}label{display:block;font-size:.82rem;font-weight:600;margin:1.1rem 0 .4rem}input,textarea{width:100%;padding:.75rem .9rem;border:1px solid #cbd3d8;border-radius:10px;background:rgba(255,255,255,.74);color:var(--ink);line-height:1.6;box-shadow:0 1px 2px #223d4a05}input::placeholder,textarea::placeholder{color:#879198}textarea{resize:vertical;min-height:110px}.code-input{font-family:var(--display);font-size:1.3rem;letter-spacing:.08em}.input-meta{display:flex;justify-content:space-between;gap:.8rem;font-size:.64rem;color:var(--muted);margin-top:.45rem}.input-meta span:last-child{white-space:nowrap}.status{border-radius:12px;margin:1rem auto;padding:0;max-width:760px;font-size:.88rem;white-space:pre-wrap}.status:not(:empty){padding:.9rem 1.1rem;background:rgba(255,255,255,.88);border:1px solid var(--line)}.status.error,.error{color:#943f32}.status.error{background:#fff3ee}.error:empty{display:none}footer{font-size:.72rem;text-align:center;padding:1rem 0}.notice{font-size:.86rem;color:#596872;background:#edf1f3;border-radius:10px;padding:1rem;line-height:1.65;margin:1rem 0}
.play{padding:2.2rem 2.4rem 1rem}.play-heading{padding-bottom:.6rem}.play-heading h1{font-size:1.4rem}.play-heading .eyebrow:empty{display:none}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:2.8rem;align-items:start}.dice-column{min-width:0}.dice-stage{--size:204px;--half:102px;height:360px;position:relative;display:grid;place-items:center;padding-top:25px}.scene{width:var(--size);height:var(--size);perspective:1050px;perspective-origin:50% 40%}.dice-body,.tilt,.cube{width:100%;height:100%;transform-style:preserve-3d}.tilt{transform:rotateX(-14deg) rotateY(19deg)}.cube{position:relative;transform:rotateX(0deg) rotateY(0deg) rotateZ(0deg)}.cube-face{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:44px 19px 20px;border:1px solid #cbd6db;border-radius:15px;background:linear-gradient(135deg,#ffffff 0%,#f6f8f9 65%,#edf2f4 100%);box-shadow:inset 0 0 0 3px rgba(255,255,255,.8),inset 0 -8px 18px #48677c0b;backface-visibility:hidden;-webkit-backface-visibility:hidden}.face-1{transform:translateZ(var(--half))}.face-6{transform:rotateY(180deg) translateZ(var(--half))}.face-3{transform:rotateY(90deg) translateZ(var(--half))}.face-4{transform:rotateY(-90deg) translateZ(var(--half))}.face-5{transform:rotateX(90deg) translateZ(var(--half))}.face-2{transform:rotateX(-90deg) translateZ(var(--half))}.face-question{font-size:13px;font-weight:500;line-height:1.5;text-align:center;overflow:hidden;display:-webkit-box;-webkit-line-clamp:7;-webkit-box-orient:vertical;overflow-wrap:anywhere;margin:0;color:#304855}.long-question .face-question{font-size:11px;-webkit-line-clamp:8}.face-number{position:absolute;right:17px;top:13px;color:#8b9da7;font:11px var(--display)}.pips{position:absolute;left:17px;top:14px;display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(3,4px);gap:3px}.pips i{width:4px;height:4px;border-radius:50%;background:transparent}.pips-1 i:nth-child(5),.pips-2 i:nth-child(1),.pips-2 i:nth-child(9),.pips-3 i:nth-child(1),.pips-3 i:nth-child(5),.pips-3 i:nth-child(9),.pips-4 i:nth-child(1),.pips-4 i:nth-child(3),.pips-4 i:nth-child(7),.pips-4 i:nth-child(9),.pips-5 i:nth-child(1),.pips-5 i:nth-child(3),.pips-5 i:nth-child(5),.pips-5 i:nth-child(7),.pips-5 i:nth-child(9),.pips-6 i:nth-child(odd):not(:nth-child(5)),.pips-6 i:nth-child(4),.pips-6 i:nth-child(6){background:#607e90}.dice-shadow{position:absolute;bottom:25px;width:185px;height:27px;border-radius:50%;background:radial-gradient(ellipse,#244e63,transparent 68%);filter:blur(5px);opacity:.2}.is-rolling .cube,.is-rolling .dice-body{will-change:transform}.dice-controls{text-align:center;padding:0 0 1rem}.dice-controls p{font-size:.8rem;min-height:24px;margin:.3rem 0 1rem}.roll-button{min-width:175px;padding:.85rem 1.5rem}.response-column{min-width:0;padding-top:2.8rem}.before-roll{padding-top:3.3rem}.before-roll h2{font-size:1.05rem}.before-roll p{font-size:.86rem;line-height:1.9}.question-reveal{animation:reveal .5s ease-out}.question-reveal h2{font-family:"Open Sans",sans-serif;font-size:1.15rem;font-weight:600;letter-spacing:0;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}.question-reveal .eyebrow{color:#587b91}.question-reveal h2:focus{outline:none}.play-bottom{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:1rem;padding-top:.7rem;border-top:1px solid var(--line);font-size:.72rem}.play-bottom button{font-size:.72rem}@keyframes reveal{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
.admin-main{max-width:1120px;margin:2rem auto;padding:0 2rem}.heading-row,.section-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem}.heading-row{margin-bottom:1.5rem}.heading-row .lead{margin-bottom:0}.section-heading{margin:2.4rem 0 1rem}.section-heading h2{margin:0}.check{display:flex;align-items:center;gap:.5rem;margin:0;font-size:.78rem;font-weight:400;color:#56636d}.check input{width:16px;height:16px;accent-color:var(--accent)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,310px),1fr));gap:1rem}.card{padding:1.6rem;background:rgba(255,255,255,.84);border:1px solid rgba(255,255,255,.85);border-radius:18px;box-shadow:0 6px 22px #28435608;min-width:0;backdrop-filter:blur(18px)}.card h3{margin:.8rem 0}.card p{font-size:.82rem;color:var(--muted)}.card .actions{margin-top:1.3rem}.actions{display:flex;flex-wrap:wrap;gap:.5rem}.actions button{font-size:.78rem;padding:.55rem .8rem;min-height:40px}.card .actions .quiet{border-color:transparent;background:transparent;padding-left:.5rem;padding-right:.5rem}.empty{color:var(--muted);background:rgba(255,255,255,.48);padding:1.5rem;border-radius:16px;font-size:.86rem}.live{font-size:.73rem;color:#3c7660;display:inline-flex;align-items:center;gap:.45rem}.live:before{content:"";width:6px;height:6px;background:#508d73;border-radius:50%}.ended{font-size:.73rem;color:var(--muted)}dialog{max-width:680px;width:calc(100% - 24px);max-height:90dvh;color:var(--ink);padding:2rem;background:#f9fbfc}dialog::backdrop{background:#30424b4d;backdrop-filter:blur(7px)}.share-grid{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:2rem;align-items:center;padding:1.5rem 0;border-bottom:1px solid var(--line)}.large-code{font:700 clamp(1.5rem,3.8vw,2.7rem)/1.5 var(--display);letter-spacing:.03em;margin:1rem 0;white-space:nowrap}.qr{background:white;border-radius:16px;padding:12px;width:100%;aspect-ratio:1;display:grid;place-items:center}.qr svg{display:block;width:100%;height:auto}.answer-group{margin-top:2rem}.answer-card{background:rgba(236,242,245,.65);border-radius:12px;padding:1rem 1.2rem;margin:.7rem 0}.answer-card p{white-space:pre-wrap;overflow-wrap:anywhere;margin:.5rem 0}.answer-meta{font-size:.72rem;color:var(--muted)}.admin-footer{margin:2rem 1rem}#login-form{max-width:520px;margin:2rem auto}#login-form button{margin-top:1rem}[hidden]{display:none!important}
@media(min-width:1200px){.student-main{margin-top:3rem}.dice-stage{--size:220px;--half:110px;height:380px}.face-question{font-size:14px}.long-question .face-question{font-size:12px}}
@media(max-width:760px){.topbar{padding:1rem 1.2rem}.student-main,.admin-main{padding:0 1rem;margin:1rem auto}.game-layout{grid-template-columns:1fr;gap:0}.play{padding:1.6rem 1.4rem .7rem}.play-heading h1{font-size:1.15rem}.dice-stage{--size:186px;--half:93px;height:320px}.face-question{font-size:12px}.long-question .face-question{font-size:10.5px}.response-column{padding-top:1.7rem}.before-roll{padding:.8rem 0 .4rem;text-align:center}.before-roll p{margin-bottom:.4rem}.before-roll h2{font-size:.95rem}.before-roll .step-label{display:none}.dice-controls{padding-bottom:0}.play-bottom{margin-top:1.4rem}.top-actions .tag{display:none}.top-actions{gap:.4rem}.top-actions button{font-size:.74rem;padding:.45rem .65rem}.brand{font-size:.75rem}.heading-row,.section-heading{flex-wrap:wrap}.panel{border-radius:20px}.welcome{padding:2rem;margin-top:3vh}.share-grid{grid-template-columns:1fr}.qr{max-width:230px;margin:auto}.large-code{font-size:clamp(1.4rem,6.7vw,2.3rem)}dialog{padding:1.3rem}.input-meta{font-size:.59rem}.card{padding:1.3rem}}
@media(max-width:380px){.student-main{padding:0 .65rem}.play{padding:1.3rem 1rem .6rem}.dice-stage{--size:174px;--half:87px}.cube-face{padding:38px 15px 15px}.face-question{font-size:11.5px}.long-question .face-question{font-size:10px}.topbar{padding:1rem}.brand span{font-size:.7rem}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

/* Minimal participation: one fixed overhead camera, no dashboard furniture. */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
select{width:100%;padding:.75rem .9rem;border:1px solid #cbd3d8;border-radius:10px;background:#fff;color:var(--ink)}
.minimal main{min-height:100svh}.minimal .sound-toggle{position:fixed;z-index:5;right:18px;top:18px;width:38px;height:38px;padding:8px;border:0;background:rgba(255,255,255,.6)}
.minimal-join{min-height:100svh;display:grid;place-items:center;padding:24px}.minimal-join form{display:flex;align-items:center;gap:10px;width:min(100%,380px)}.minimal-join input{min-width:0;background:#ffffffd9}.minimal-join button{font-size:1.3rem}
.minimal .dice-stage{--size:clamp(215px,32vmin,300px);--half:calc(var(--size)/2);width:100%;height:clamp(350px,66svh,760px);padding:0;display:block;margin:auto;touch-action:pan-y}
.minimal .dice-body{position:absolute;left:50%;top:50%;width:var(--size);height:var(--size);margin-left:calc(var(--size)/-2);margin-top:calc(var(--size)/-2);cursor:pointer;outline-offset:16px;transform-style:preserve-3d}
.minimal .dice-body[aria-disabled=true]{cursor:default}.minimal .dice-body:focus-visible{outline:2px solid #4c7c98;border-radius:18px}
.minimal .scene{width:100%;height:100%;perspective:1200px;perspective-origin:50% 50%}.minimal .tilt{transform:rotateX(-78deg)}
.minimal .cube-face{padding:20px;border-radius:12px}.minimal .face-question{font-size:clamp(14px,1.65vmin,18px);font-weight:500;line-height:1.55;display:block;-webkit-line-clamp:unset;max-height:calc(var(--size) - 40px);overflow:auto;scrollbar-width:thin;text-align:center;white-space:pre-wrap}
.minimal .long-question .face-question{font-size:12px;-webkit-line-clamp:unset}.minimal .is-rolling .face-question,.minimal .cube-face:not(.is-top) .face-question{overflow:hidden}
.minimal .dice-shadow{position:absolute;left:50%;top:50%;bottom:auto;width:var(--size);height:var(--size);margin-left:calc(var(--size)/-2);margin-top:calc(var(--size)/-2 + 16px);border-radius:18px;background:#37576b;filter:blur(18px);opacity:.16;pointer-events:none}
.minimal-response{width:min(100% - 36px,440px);margin:0 auto;padding-bottom:32px;text-align:center}.minimal-response textarea{display:block;background:#ffffffd9;text-align:left;min-height:100px}.minimal-response input{margin-top:12px;background:#ffffffd9}.minimal-response button{margin-top:14px}.minimal #send{min-width:110px}.minimal #finish{min-width:110px}.minimal #done{font-size:2.5rem;color:#466a5e;line-height:1.2}.minimal #status:empty{display:none}.minimal #status:not(:empty){width:min(100% - 36px,440px);margin:0 auto 20px}.minimal #closed-note{background:#ffffffb3}.minimal #play-panel.is-finished .dice-stage{opacity:.55;pointer-events:none}
@media(max-width:480px){.minimal .dice-stage{height:clamp(335px,58svh,460px)}.minimal .cube-face{padding:17px}.minimal .face-question{max-height:calc(var(--size) - 34px)}.minimal .sound-toggle{right:12px;top:12px}}

/* Full-screen tabletop, fixed overhead camera and six coloured solid faces. */
.minimal #play-panel{position:relative;min-height:100svh}
.minimal .dice-stage{--size:clamp(170px,23vmin,240px);height:100svh;min-height:420px}
.minimal .scene{perspective:2400px}
.minimal .cube-face{--shade:.1;border:1px solid rgba(63,65,70,.28);border-radius:10px;padding:10px;background:linear-gradient(135deg,#ffffff40,transparent 40%,#25344312),var(--face);box-shadow:inset 0 0 0 2px #ffffff66,inset 3px 3px 6px #ffffff55,inset -3px -3px 7px #283c4d26}
.minimal .cube-face:after{content:"";position:absolute;inset:0;border-radius:inherit;background:rgba(20,28,40,var(--shade));pointer-events:none}
.minimal .face-1{--face:#a9cce9}.minimal .face-2{--face:#add8c5}.minimal .face-3{--face:#eedb99}.minimal .face-4{--face:#edbd9d}.minimal .face-5{--face:#e6b2c7}.minimal .face-6{--face:#c3b6e0}
.minimal .face-question{position:relative;z-index:1;width:76%;max-height:calc(var(--size)*.70);font-size:clamp(13px,1.6vmin,17px);line-height:1.45;color:#26333d;text-shadow:0 1px 0 #ffffff30}
.minimal .long-question .face-question{font-size:12px}
.minimal .dice-shadow{margin-top:calc(var(--size)/-2);border-radius:10px;background:#1a2934;filter:blur(3px);opacity:.28}
.minimal-response{position:absolute;left:50%;transform:translateX(-50%);top:calc(50svh + 160px);padding-bottom:24px}
.minimal-response textarea,.minimal-response input{background:#fffffff0;box-shadow:0 3px 16px #1e344518}
.minimal #status:not(:empty){position:relative;margin-top:12px}

.minimal .dice-stage.is-rolling + .minimal-response{left:50%!important;visibility:hidden}

/* Quiet surfaces remain legible on touchscreens; hover is an enhancement. */
input:not([type=checkbox]),textarea,select,.minimal-response input,.minimal-response textarea,.minimal-join input{background:rgba(255,255,255,.65);border:1px solid rgba(66,91,107,.14);box-shadow:0 2px 12px #213a4d05;transition:background .18s,border-color .18s,box-shadow .18s}
@media(hover:hover){input:not([type=checkbox]):hover,textarea:hover,select:hover{background:rgba(255,255,255,.85);border-color:rgba(66,91,107,.26);box-shadow:0 4px 18px #213a4d0a}}
input:focus,textarea:focus,select:focus{background:rgba(255,255,255,.96);border-color:#60879d;box-shadow:0 3px 18px #213a4d12}
.minimal #play-panel.is-finished .dice-stage{visibility:hidden;opacity:0;pointer-events:none}
.minimal #play-panel.is-finished .minimal-response{top:45svh!important;left:50%!important}
.minimal #play-panel.is-finished{min-height:100svh!important}
.minimal #play-panel.is-exiting .minimal-response{visibility:hidden}
@media(prefers-reduced-motion:reduce){input,textarea,select{transition:none}}