:root{--bg:#05080f;--panel:#07101e;--surface:#0c1828;--surface-hi:#112236;--border:#1a2e48;--border-glow:#ffd70030;--gold:gold;--gold-dim:#ffd70070;--gold-glow:#ffd70025;--cyan:#38bdf8;--cyan-dim:#38bdf840;--text:#dbeafe;--text-dim:#5a7fa8;--red:#f43f5e;--red-dim:#f43f5e25;--radius:10px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-user-select:none;user-select:none;height:100dvh;min-height:100dvh;font-family:Nunito Sans,sans-serif;overflow:hidden}#game-root{flex-direction:row;width:100%;height:100dvh;display:flex;overflow:hidden}#left-panel{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;gap:11px;width:520px;min-width:520px;padding:16px 14px 14px;display:flex;position:relative;overflow-y:auto}#left-panel:after{content:"";pointer-events:none;z-index:100;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");background-size:128px 128px;width:326px;position:fixed;inset:0}#left-panel:before{content:"";background:linear-gradient(90deg, transparent, var(--gold), transparent);opacity:.5;height:2px;position:absolute;top:0;left:0;right:0}.panel-title{letter-spacing:-.2px;color:var(--gold);text-shadow:0 0 20px #ffd70045;align-items:center;gap:7px;font-family:Nunito,sans-serif;font-size:24px;font-weight:900;display:flex}.back-btn{letter-spacing:.3px;color:var(--text);cursor:pointer;opacity:.75;background:0 0;border:none;align-items:center;gap:6px;margin-bottom:10px;padding:0;font-family:Nunito,sans-serif;font-size:13px;font-weight:800;text-decoration:none;transition:opacity .18s,color .18s;display:inline-flex}.back-btn:hover{opacity:1;color:var(--gold)}.rule{background:linear-gradient(90deg, var(--gold-dim), transparent);border-radius:1px;height:1px;margin:0}.sys-tag,.subtitle,.sec-label{display:none}#eq-wrap{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);cursor:text;min-height:74px;transition:border-color .2s,box-shadow .2s;position:relative}#eq-wrap.focused{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-glow), inset 0 0 12px #ffd70006}#eq-wrap.error{border-color:var(--red);box-shadow:0 0 0 3px var(--red-dim)}#eq-input{opacity:0;cursor:text;width:100%;height:100%;color:var(--text);resize:none;caret-color:var(--gold);background:0 0;border:none;outline:none;padding:16px 18px 16px 76px;font-family:JetBrains Mono,monospace;font-size:26px;font-weight:600;line-height:1.4;position:absolute;inset:0}#eq-wrap.focused #eq-input{opacity:1}#eq-wrap.focused #eq-render-body{visibility:hidden}#eq-render{color:var(--text);pointer-events:none;z-index:1;align-items:center;gap:6px;min-height:74px;padding:16px 18px;font-family:JetBrains Mono,monospace;font-size:26px;font-weight:600;line-height:1.4;display:flex;position:relative}#eq-render .eq-prefix-r{color:var(--gold-dim);flex-shrink:0;font-weight:700}#eq-render sup{vertical-align:super;font-size:.58em;line-height:0}#eq-render.error-text #eq-render-body{color:var(--red)}#eq-wrap.focused #eq-render-body:after{content:"";background:var(--gold);vertical-align:middle;border-radius:1px;width:2px;height:.85em;margin-left:3px;animation:1s step-end infinite eq-blink;display:inline-block}@keyframes eq-blink{0%,to{opacity:1}50%{opacity:0}}#eq-status{color:#0000;min-height:0;font-size:12px;font-weight:700;transition:color .2s}#eq-status.error{color:var(--red);background:var(--red-dim);border:1px solid #f43f5e40;border-radius:6px;padding:6px 10px}#superscript-btns{flex-wrap:wrap;gap:4px;display:flex}.sup-btn{background:var(--surface);border:1.5px solid var(--border);color:var(--text-dim);cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;border-radius:7px;padding:8px 15px;font-family:JetBrains Mono,monospace;font-size:15px;font-weight:600;transition:background .15s,border-color .15s,color .15s,transform 80ms}.sup-btn:hover{border-color:var(--gold-dim);color:var(--gold);background:var(--gold-glow)}.sup-btn:active{transform:scale(.91)translateY(1px)}#world-tabs{background:var(--surface);border:1.5px solid var(--border);border-radius:10px;gap:0;padding:3px;display:flex}.world-tab{min-width:0;color:var(--text-dim);cursor:pointer;text-align:center;white-space:nowrap;background:0 0;border:none;border-radius:7px;flex:1;padding:9px 2px;font-family:Nunito,sans-serif;font-size:13px;font-weight:800;line-height:1.25;transition:background .18s,color .18s}.world-tab:hover:not(.active){color:var(--text);background:var(--surface-hi)}.world-tab.active{background:var(--gold-glow);color:var(--gold);box-shadow:inset 0 0 0 1px #ffd70038}#target-coords{display:none}#target-coords:not(:empty){flex-wrap:wrap;gap:6px;margin-top:2px;display:flex}.target-pill{color:var(--gold);white-space:nowrap;background:#ffd70014;border:1px solid #ffd70047;border-radius:20px;align-items:center;gap:5px;padding:4px 10px 4px 8px;font-family:JetBrains Mono,monospace;font-size:12px;font-weight:700;display:inline-flex}.target-pill svg{opacity:.85;flex-shrink:0}#score-panel{flex-direction:column;align-items:center;gap:6px;margin-top:auto;padding:4px 0;display:flex}#score-eyebrow{letter-spacing:3px;text-transform:uppercase;color:var(--text-dim);font-family:JetBrains Mono,monospace;font-size:11px;font-weight:700}#score-display{align-items:baseline;gap:0;line-height:1;display:flex}#score-current{color:var(--gold);text-shadow:0 0 24px #ffd70028;font-family:Nunito,sans-serif;font-size:48px;font-weight:900;transition:transform .15s cubic-bezier(.34,1.56,.64,1)}#score-current.bump{transform:scale(1.18)}#score-denom{color:var(--text-dim);margin-left:4px;font-family:Nunito,sans-serif;font-size:22px;font-weight:700}#stars-row{gap:5px;margin-top:2px;display:flex}.star-pip{width:14px;height:14px}.rule-sm{background:var(--border);height:1px;margin:0}#presets-label{color:var(--text-dim);letter-spacing:2px;text-transform:uppercase;padding:0 2px;font-family:Nunito,sans-serif;font-size:10px;font-weight:800}#tangent-section{flex-direction:column;gap:4px;display:flex}#tangent-btn{background:var(--surface);border:1.5px solid var(--border);width:100%;color:var(--text-dim);cursor:pointer;text-align:left;letter-spacing:.3px;border-radius:8px;align-items:center;gap:6px;padding:9px 13px;font-family:Nunito,sans-serif;font-size:12px;font-weight:800;transition:all .15s;display:flex}#tangent-btn:hover{border-color:var(--gold-dim);color:var(--gold);background:var(--gold-glow)}#tangent-btn.active{border-color:var(--gold);color:var(--gold);background:var(--gold-glow);box-shadow:0 0 12px var(--border-glow)}#tangent-info{color:var(--text-dim);background:var(--surface);border:1px solid var(--border);border-radius:6px;min-height:16px;padding:4px 8px;font-family:JetBrains Mono,monospace;font-size:12px;font-weight:700;display:none}#tangent-info.show{color:var(--gold);border-color:#ffd70030;display:block}#next-btn{width:100%;color:var(--gold);letter-spacing:2px;cursor:pointer;border-radius:var(--radius);text-transform:uppercase;background:linear-gradient(160deg,#ffd70020,#ffd70008);border:1.5px solid #ffd70060;padding:12px;font-family:Nunito,sans-serif;font-size:13px;font-weight:900;transition:background .2s,box-shadow .2s,transform .1s;display:none}#next-btn:hover{background:linear-gradient(160deg,#ffd70038,#ffd70015);transform:translateY(-1px);box-shadow:0 0 20px #ffd70025,0 4px 16px #00000050}#next-btn:active{transform:translateY(1px)scale(.98)}#next-btn.visible,#mobile-replay-btn{display:none}#mobile-disclaimer{color:var(--text-dim);background:var(--surface);border:1px solid var(--border);opacity:.75;border-radius:6px;align-items:center;gap:6px;padding:6px 10px;font-family:Nunito Sans,sans-serif;font-size:11px;font-weight:600;display:none}#telem,#log-wrap,.log-line{display:none}#right-panel{background:#061525;flex:1;position:relative;overflow:hidden}#game{width:100%;height:100%;display:block}#launch-prompt{border:1px solid var(--border);letter-spacing:2.5px;color:var(--text-dim);pointer-events:none;white-space:nowrap;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#05080fbf;border-radius:20px;padding:7px 20px;font-family:Nunito,sans-serif;font-size:11px;font-weight:700;transition:opacity .3s;position:absolute;bottom:44px;left:50%;transform:translate(-50%)}#launch-prompt.hide{opacity:0}#level-banner{border:1px solid var(--border);text-align:center;pointer-events:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);white-space:nowrap;background:#05080fd1;border-radius:10px;padding:7px 22px;position:absolute;top:14px;left:50%;transform:translate(-50%);box-shadow:0 2px 20px #00000080}#banner-world{letter-spacing:2.5px;color:var(--text-dim);text-transform:uppercase;white-space:nowrap;font-family:Nunito,sans-serif;font-size:10px;font-weight:800}#banner-title{letter-spacing:2.5px;color:var(--gold);text-shadow:0 0 16px #ffd70060;white-space:nowrap;font-family:Nunito,sans-serif;font-size:14px;font-weight:900}#win-flash{pointer-events:none;opacity:0;background:radial-gradient(#ffd7001f 0%,#ffd70008 45%,#0000 70%);flex-direction:column;justify-content:center;align-items:center;transition:opacity .5s cubic-bezier(.16,1,.3,1);display:flex;position:absolute;inset:0}#win-flash.show{opacity:1;pointer-events:auto}#canvas-next-btn,#canvas-replay-btn{letter-spacing:2px;text-transform:uppercase;border:1.5px solid var(--gold);cursor:pointer;color:var(--gold);white-space:nowrap;background:0 0;border-radius:10px;padding:11px 26px;font-family:Nunito,sans-serif;font-size:12px;font-weight:900;transition:background .18s,transform .12s,box-shadow .18s}#canvas-next-btn:hover,#canvas-replay-btn:hover{background:#ffd7001f;transform:translateY(-1px);box-shadow:0 0 24px #ffd70033}#canvas-next-btn:active,#canvas-replay-btn:active{transform:translateY(1px)scale(.98)}.win-text{letter-spacing:6px;color:var(--gold);text-shadow:0 0 30px #ffd700cc,0 0 60px #ffd70080,0 2px #a07000;font-family:Nunito,sans-serif;font-size:30px;font-weight:900;transform:translateY(0)}.win-sub{letter-spacing:4px;color:var(--text);opacity:.75;text-transform:uppercase;margin-top:12px;font-family:Nunito,sans-serif;font-size:11px;font-weight:800}#canvas-btn-row{flex-flow:wrap;justify-content:center;align-items:center;gap:12px;margin-top:24px;display:none}#win-flash.show #canvas-btn-row{display:flex}#err-flash{pointer-events:none;opacity:0;background:#f43f5e0f;transition:opacity .15s;position:absolute;inset:0}#err-flash.show{opacity:1}#world-error{pointer-events:none;opacity:0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:20;background:#05080fe6;flex-direction:column;justify-content:center;align-items:center;transition:opacity .3s;display:flex;position:absolute;inset:0}#world-error.show{opacity:1}#world-error-icon{opacity:.8;margin-bottom:16px;line-height:1}#world-error-title{color:var(--red);text-align:center;letter-spacing:1.5px;text-shadow:0 0 30px #f43f5e60;font-family:Nunito,sans-serif;font-size:28px;font-weight:900}#world-error-type{color:#fbbf24;text-align:center;max-width:320px;margin-top:10px;font-family:Nunito Sans,sans-serif;font-size:15px;font-weight:600;line-height:1.5}#world-error-sub{color:var(--text-dim);text-align:center;border:1px solid var(--border);background:var(--surface);border-radius:8px;max-width:300px;margin-top:18px;padding:10px 16px;font-family:Nunito,sans-serif;font-size:13px;font-weight:700;line-height:1.6}#bonus-panel{background:#0c1d2e;border:1.5px solid #c8a800;border-radius:12px;margin-top:8px;padding:14px 16px 16px;animation:.35s forwards fadeUp;display:none}#bonus-panel.show{display:block}.bonus-header{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.bonus-label{letter-spacing:2.5px;text-transform:uppercase;color:var(--gold);font-family:JetBrains Mono,monospace;font-size:11px;font-weight:700}.bonus-pts{color:#4ade80;letter-spacing:1px;font-family:JetBrains Mono,monospace;font-size:12px;font-weight:700}#bonus-q{color:var(--text);margin-bottom:12px;font-family:Nunito Sans,sans-serif;font-size:16px;font-weight:700;line-height:1.5}#bonus-choices{grid-template-columns:1fr 1fr;gap:6px;display:grid}.bonus-choice{background:var(--surface);border:1.5px solid var(--border);color:var(--text);cursor:pointer;text-align:center;border-radius:8px;padding:12px 8px;font-family:JetBrains Mono,monospace;font-size:15px;font-weight:700;transition:background .15s,border-color .15s,transform .1s}.bonus-choice:hover:not(.answered){background:#162840;border-color:#c8a80066}.bonus-choice:active:not(.answered){transform:scale(.97)}.bonus-choice.correct{color:#4ade80;background:#0b2e1a;border-color:#4ade80}.bonus-choice.wrong{color:#f43f5e;background:#2a0c14;border-color:#f43f5e}.bonus-choice.reveal{color:#4ade8099;background:#0b2e1a66;border-color:#4ade8055}.bonus-choice.answered{cursor:default}#bonus-result{color:var(--text-dim);margin-top:10px;font-family:Nunito Sans,sans-serif;font-size:14px;font-weight:600;line-height:1.55;display:none}#bonus-result.show{display:block}#bonus-result .result-line{margin-bottom:4px;font-size:15px;font-weight:800}#bonus-result .result-line.ok{color:#4ade80}#bonus-result .result-line.bad{color:#f43f5e}#onboard-overlay{z-index:400;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;pointer-events:none;background:#04080fd1;justify-content:center;align-items:center;transition:opacity .4s;display:flex;position:fixed;inset:0}#onboard-overlay.visible{opacity:1;pointer-events:auto}#onboard-overlay.fading{opacity:0;pointer-events:none}#onboard-card{background:var(--panel);text-align:center;border:1px solid #ffd70047;border-radius:18px;width:calc(100% - 40px);max-width:420px;padding:32px 36px 28px;animation:3s ease-in-out infinite onboard-float;box-shadow:0 0 0 1px #ffd7000f,0 24px 64px #0009,0 0 60px #ffd7000f}@keyframes onboard-float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}#onboard-shark-icon{filter:drop-shadow(0 0 12px #ffd70060);justify-content:center;margin-bottom:14px;display:flex}#onboard-eyebrow{letter-spacing:3px;text-transform:uppercase;color:var(--gold);opacity:.85;margin-bottom:10px;font-family:JetBrains Mono,monospace;font-size:9px;font-weight:700}#onboard-title{color:var(--text);letter-spacing:-.3px;margin-bottom:24px;font-family:Nunito,sans-serif;font-size:19px;font-weight:900;line-height:1.35}#onboard-steps{text-align:left;flex-direction:column;gap:12px;margin-bottom:26px;display:flex}.onboard-step{align-items:flex-start;gap:12px;display:flex}.onboard-step-num{width:24px;height:24px;color:var(--gold);background:#ffd7001f;border:1px solid #ffd7004d;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:1px;font-family:JetBrains Mono,monospace;font-size:10px;font-weight:700;display:flex}.onboard-step-body{flex:1}.onboard-step-label{color:var(--text);font-family:Nunito,sans-serif;font-size:14px;font-weight:700;line-height:1.4}.onboard-step-eg{color:var(--text-dim);margin-top:3px;font-size:12px;font-weight:600}.onboard-step-eg code{color:var(--gold);white-space:nowrap;background:#ffd70014;border-radius:4px;padding:1px 6px;font-family:JetBrains Mono,monospace}.onboard-star{color:var(--gold)}#onboard-btn{background:var(--gold);color:#04080f;letter-spacing:.2px;cursor:pointer;border:none;border-radius:10px;width:100%;margin-bottom:12px;padding:13px 24px;font-family:Nunito,sans-serif;font-size:15px;font-weight:900;transition:transform .15s,box-shadow .15s;display:block;box-shadow:0 4px 20px #ffd70033}#onboard-btn:hover{transform:translateY(-2px);box-shadow:0 6px 28px #ffd70052}#onboard-btn:active{transform:scale(.98)}#onboard-skip{letter-spacing:2px;text-transform:uppercase;color:#5a7fa873;cursor:pointer;font-family:JetBrains Mono,monospace;font-size:9px;font-weight:700}#onboard-skip:hover{color:#5a7fa8b3}@media (max-width:900px){#game-root{flex-direction:column}#right-panel{border-bottom:1px solid var(--border);flex:none;order:-1;width:100%;height:55dvh;min-height:220px}#left-panel{-webkit-overflow-scrolling:touch;border-right:none;flex:1;order:0;gap:5px;width:100%;min-width:0;padding:8px 14px 10px;overflow-y:auto}#left-panel:after,#left-panel:before{display:none}#mobile-disclaimer{display:flex}.panel-title,.rule{display:none}.back-btn{margin-bottom:0;font-size:10px}#eq-render,#eq-input{font-size:17px}#eq-wrap{min-height:48px}#eq-input{padding:9px 12px 9px 60px}#eq-render{min-height:48px;padding:9px 12px}.sup-btn{padding:7px 12px;font-size:13px}#world-tabs{-webkit-overflow-scrolling:touch;gap:0;overflow-x:auto}.world-tab{min-width:0;color:var(--text);opacity:.55;flex:1;padding:7px 2px;font-size:11px}.world-tab.active{opacity:1}.world-tab span{opacity:.8;display:block;font-size:9px!important}#target-coords:not(:empty){display:flex!important}#score-panel{flex-direction:row;align-items:center;gap:8px;padding:2px 0}#score-eyebrow{letter-spacing:2px;font-size:8px}#score-current{text-shadow:none;font-size:18px}#score-denom{margin-left:2px;font-size:13px}#stars-row{margin-top:0}.star-pip{width:11px;height:11px}#level-title,#level-desc,#level-hint,#hint-btn,#bonus-panel,#tangent-section{display:none!important}#world-error-sub{display:none}#level-banner{display:none!important}.win-text{letter-spacing:3px;font-size:17px}.win-sub{letter-spacing:2px;margin-top:6px;font-size:10px}#canvas-btn-row{display:none!important}#next-btn.visible,#mobile-replay-btn.visible{letter-spacing:2px;text-transform:uppercase;text-align:center;cursor:pointer;border-bottom:none;border-left:none;border-right:none;border-radius:0;width:100%;padding:16px;font-family:Nunito,sans-serif;font-size:14px;font-weight:900;display:block;position:fixed;left:0;right:0}#next-btn.visible{background:var(--gold);color:#05080f;z-index:300;border:none;bottom:0}#mobile-replay-btn{z-index:299;display:none;position:fixed;bottom:55px;left:0;right:0}#mobile-replay-btn.visible{background:var(--panel);color:var(--gold);border-top:1px solid #ffd7004d;border-bottom:1px solid #ffd7004d}#win-flash{justify-content:flex-start;padding-top:18%}#level-banner{padding:5px 14px;top:8px}#banner-world{letter-spacing:1.5px;font-size:8px}#banner-title{letter-spacing:1.5px;font-size:11px}#onboard-card{border-radius:14px;padding:24px 22px 20px}#onboard-title{font-size:16px}.onboard-step-label{font-size:13px}}@media (max-width:520px){#right-panel{height:48dvh;min-height:200px}#left-panel{gap:6px;padding:8px 12px 10px}#eq-wrap{min-height:46px}#eq-render,#eq-input{font-size:15px}#eq-input{padding:9px 10px 9px 54px}#eq-render{min-height:46px;padding:9px 10px}.sup-btn{border-radius:6px;padding:7px 10px;font-size:13px}.world-tab{min-width:44px;padding:6px 2px;font-size:10px}.world-tab span{font-size:8px!important}#launch-prompt{padding:5px 14px;font-size:11px;bottom:20px}.win-text{letter-spacing:2px;font-size:14px}#win-flash{padding-top:14%}}@keyframes fadeUp{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}