:root{color-scheme:dark;font-family:Inter,Arial,sans-serif;color:#e9efeb;background:#080f15;--mint:#bcf3b2;--muted:#889b9e}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,input,select{font:inherit}button{cursor:pointer;color:inherit;background:#15232a;border:1px solid #ffffff1c;border-radius:8px;padding:12px 16px;transition:background .15s,transform .15s}button:hover{background:#263a40}button:active{transform:translateY(1px)}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--mint);outline-offset:3px}[hidden]{display:none!important}#app{height:100dvh;min-height:520px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 66% 44%,#19303965,transparent 57%)}#scene{position:absolute;inset:0;touch-action:none}canvas{display:block;width:100%;height:100%}header{position:absolute;top:0;left:0;right:0;padding:30px 40px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}header>*{pointer-events:auto}.brand{display:flex;gap:12px;align-items:center;color:var(--mint);text-decoration:none;font-size:35px}.brand span{font-size:22px;font-weight:700;letter-spacing:7px;color:#f0f4ef}.brand small{display:block;font-size:8px;letter-spacing:2.2px;color:var(--muted);margin-top:6px}.header-actions{display:flex;gap:8px}.header-actions button{font-size:12px;background:#122027b3}.panel{position:absolute;left:7%;top:50%;transform:translateY(-45%);width:340px;max-height:calc(100dvh - 130px);overflow:auto;padding:6px 4px;scrollbar-width:thin}.eyebrow{font-size:10px;letter-spacing:2.2px;color:var(--mint);font-weight:600}h1{font-size:64px;line-height:1.01;letter-spacing:-3px;margin:22px 0;font-weight:500}.intro{font-size:14px;line-height:1.7;color:#aab8b8;margin-bottom:26px}.difficulty{display:grid;grid-template-columns:1fr 1fr;gap:8px}.difficulty button{text-align:left;padding:14px;background:#132128ad}.difficulty button.selected{border-color:#b5ecaf;background:#b5ecaf10}.difficulty b{display:block;font-size:14px;font-weight:500}.difficulty span{display:block;font-size:10px;color:var(--muted);margin-top:6px}.text-button{border:0;background:transparent;width:100%;text-align:left;color:#c7d4cf;font-size:12px;padding:14px 0}.text-button span{float:right}.seed-label{display:block;font-size:9px;letter-spacing:2px;color:var(--muted);margin-top:8px}.seed-row{display:flex;margin:8px 0 14px;gap:6px}input,select{background:#101b21;color:#d5e4dd;border:1px solid #ffffff20;border-radius:6px;padding:9px;width:100%;min-width:0}.seed-row input{font-size:12px;letter-spacing:1px}.seed-row button{padding:7px 13px;font-size:18px}.primary{background:var(--mint);color:#15231d;border:0;width:100%;font-size:14px;font-weight:600;padding:16px}.primary:hover{background:#d8ffd0}.primary span{float:right}.menu-foot{font-size:8px;letter-spacing:1.8px;color:#687d80;margin-top:18px;text-align:center}.form-row{display:flex;gap:10px}.form-row label{font-size:11px;flex:1}.form-row input,.form-row select{margin-top:6px}#dimensions{font-size:11px;color:var(--mint)}.check{display:flex;align-items:center;gap:8px;font-size:12px;margin:12px 0}.check input{width:auto}#ambient-label{position:absolute;bottom:14%;left:64%;transform:translateX(-30%);font-size:9px;letter-spacing:3px;color:#aec1bc;pointer-events:none;white-space:nowrap}#ambient-label small{display:block;font-size:10px;letter-spacing:.5px;color:#6f898d;text-align:center;margin-top:14px}.orbit-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--mint);margin-right:9px;box-shadow:0 0 14px var(--mint)}.stats{position:absolute;top:112px;left:50%;transform:translateX(-50%);display:flex;gap:55px;text-align:center;pointer-events:none}.stats small{display:block;color:var(--muted);font-size:9px;letter-spacing:1.7px;margin-bottom:9px}.stats b{font-weight:400;font-size:22px;font-variant-numeric:tabular-nums}.progress-track{position:absolute;top:182px;left:calc(50% - 160px);width:320px;height:2px;background:#ffffff15}.progress-track i{display:block;background:var(--mint);height:100%;width:0;transition:width .3s}.hud-bottom{position:absolute;bottom:24px;left:20px;right:20px;text-align:center;pointer-events:none}.hud-bottom .toolbar{pointer-events:auto;display:flex;justify-content:center;gap:7px}.toolbar button{font-size:11px;padding:11px 14px;background:#15242de6}.toolbar button.active{background:var(--mint);color:#182c20}.status-wrap p{font-size:13px;color:#b6c8c8;margin:9px 0 16px}.hint{font-size:9px;color:#70898e;letter-spacing:.8px;margin-top:14px}#message{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#102029ed;border:1px solid #baf5b330;border-radius:14px;padding:32px;text-align:center;max-width:380px;width:calc(100% - 40px);box-shadow:0 24px 100px #0008}h2{font-weight:500;letter-spacing:-1px;font-size:32px;margin:14px 0}#message p{color:#adc2c0;font-size:14px;line-height:1.6}dialog{background:#112129;color:#e0ebe6;border:1px solid #acc7bb3b;border-radius:14px;width:480px;max-width:calc(100vw - 24px);max-height:90dvh;padding:32px;line-height:1.65;font-size:13px}dialog::backdrop{background:#02080cd9;backdrop-filter:blur(8px)}.close{float:right;padding:2px 10px;font-size:25px}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-block:1px solid #ffffff17;padding:15px 0}.help-grid p{margin:6px 0;color:#9eb6b8}.muted{color:#87a1a6;font-size:11px}
@media(max-height:760px) and (min-width:701px){h1{font-size:48px;margin:14px 0}.intro{margin-bottom:16px}.panel{transform:translateY(-43%)}header{padding:22px 32px}}
@media(max-width:700px){header{padding:20px}.brand span{font-size:18px}.brand{font-size:29px}.header-actions button{padding:10px;font-size:10px}.panel{left:20px;right:20px;width:auto;top:auto;bottom:20px;transform:none;max-height:calc(100dvh - 95px);background:linear-gradient(0deg,#080f15 65%,#080f15ee 90%,#080f15bb);padding:20px;border-radius:14px}h1{font-size:40px;margin:12px 0}.intro{font-size:12px;margin:10px 0 16px}.eyebrow{font-size:8px}.difficulty button{padding:12px}.menu-foot{display:none}#ambient-label{display:none}.stats{top:95px;gap:28px}.stats small{font-size:8px;letter-spacing:1px}.stats b{font-size:20px}.progress-track{top:157px;left:15%;width:70%}.hud-bottom{bottom:max(18px,env(safe-area-inset-bottom));left:10px;right:10px}.toolbar{flex-wrap:wrap}.toolbar button{padding:12px 10px;min-height:42px}.status-wrap p{font-size:11px;max-width:340px;margin:8px auto 13px}.hint{font-size:8px;letter-spacing:0}.seed-label{margin-top:0}#custom{padding-bottom:6px}}
.stats{white-space:nowrap}.stats>div{min-width:64px}

.brand span{letter-spacing:2px}.brand small{letter-spacing:1.4px}
@media(max-width:700px){.brand{gap:7px;font-size:23px}.brand span{font-size:17px;letter-spacing:.4px}.brand small{font-size:7px;letter-spacing:1px}.header-actions{gap:5px}}

.control-toggle{display:flex;justify-content:center;gap:0;margin:0 auto 9px;pointer-events:auto}.control-toggle button{font-size:11px;padding:9px 16px;border-radius:0;background:#15242de6}.control-toggle button:first-child{border-radius:8px 0 0 8px}.control-toggle button:last-child{border-radius:0 8px 8px 0}.control-toggle button.active{background:var(--mint);color:#182c20;border-color:var(--mint)}

.header-actions{align-items:center}.header-actions .control-toggle{margin:0}.header-actions .control-toggle button.active{background:var(--mint);color:#182c20}
@media(max-width:700px){header{flex-wrap:wrap;gap:10px;padding:14px 20px}.header-actions{margin-left:auto}.header-actions .control-toggle button{padding:10px 9px;font-size:10px}.brand{flex-shrink:0}.stats{top:112px}.progress-track{top:174px}}

#messageMenu{display:block;width:100%;margin-top:10px;padding:14px 16px}

/* Scrollable panels match the dark shell and mint-accent interface. */
.panel,dialog{scrollbar-width:thin;scrollbar-color:#526e66 #101b21;scrollbar-gutter:stable}
.panel::-webkit-scrollbar,dialog::-webkit-scrollbar{width:7px;height:7px}
.panel::-webkit-scrollbar-track,dialog::-webkit-scrollbar-track{background:#101b21;border-radius:8px}
.panel::-webkit-scrollbar-thumb,dialog::-webkit-scrollbar-thumb{background:#526e66;border:2px solid #101b21;border-radius:8px}
.panel::-webkit-scrollbar-thumb:hover,dialog::-webkit-scrollbar-thumb:hover{background:#bcf3b2}
.panel::-webkit-scrollbar-corner,dialog::-webkit-scrollbar-corner{background:transparent}

.menu-statistics{display:block;width:100%;margin-top:10px;background:transparent;color:#aabeb5;font-size:12px;padding:11px}
#statisticsDialog{width:590px}.stat-totals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:20px 0}.stat-totals>div{background:#0c1920;border:1px solid #ffffff12;border-radius:8px;padding:13px}.stat-totals small{display:block;color:#91aaa4;font-size:11px}.stat-totals strong{display:block;color:var(--mint);font-size:20px;font-weight:500;margin-top:4px}.stat-table-wrap{overflow-x:auto}.stat-table{width:100%;border-collapse:collapse;font-size:12px;text-align:right}.stat-table th{color:#91aaa4;font-weight:500}.stat-table th,.stat-table td{padding:10px 5px;border-bottom:1px solid #ffffff15}.stat-table th:first-child,.stat-table td:first-child{text-align:left}.stat-table td:last-child{white-space:nowrap}
@media(max-width:700px){#statisticsDialog{padding:22px 16px}.stat-table{font-size:11px}.stat-totals strong{font-size:18px}}