:root{--forest-0:#050b09;--forest-1:#081912;--forest-2:#10281f;--night-0:#050711;--night-1:#0b1324;--ink:#eaf4ff;--muted:#9cb4c9;--dim:#eaf4ff47;--border:#67d6ff29;--border-strong:#67d6ff57;--aqua:#67d6ff;--mint:#7af0c9;--gold:#f2b661;--rose:#ff7e8a;--indigo:#8b9cf4;--purple:#c4f;--panel:#071018e0;--panel-2:#0a121fd1;--shadow:0 24px 70px #0009;--radius:12px;--font-body:"Hanken Grotesk", system-ui, sans-serif;--font-mono:"Fragment Mono", ui-monospace, SFMono-Regular, Consolas, monospace}*{box-sizing:border-box}html,body{height:100%;color:var(--ink);font-family:var(--font-body);-webkit-user-select:none;user-select:none;background-color:#050711;margin:0;padding:0;overflow:hidden}.app-shell{z-index:10;pointer-events:none;justify-content:center;align-items:center;width:100vw;height:100vh;padding:clamp(14px,3vw,28px);display:flex;position:fixed;inset:0}.screen{border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(155deg, #ffffff0b, transparent 46%), linear-gradient(160deg, var(--panel), var(--panel-2));width:min(100%,720px);max-height:90vh;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px);pointer-events:auto;flex-direction:column;gap:20px;padding:24px;animation:.3s cubic-bezier(.16,1,.3,1) forwards fadeIn;display:flex;overflow-y:auto}@keyframes fadeIn{0%{opacity:0;transform:scale(.96)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.hidden{display:none!important}.topline,.header-row,.toolbar{justify-content:space-between;align-items:center;gap:12px;display:flex}.brand{align-items:center;gap:12px;display:flex}.mark{font-size:2.2rem;line-height:1}.eyebrow{font-family:var(--font-mono);color:var(--aqua);letter-spacing:.16em;text-transform:uppercase;font-size:.72rem}.title{color:var(--ink);margin:0;font-size:clamp(1.8rem,5vw,2.8rem);font-weight:800;line-height:1}.subtitle{color:var(--muted);margin:4px 0 0;font-size:.92rem;line-height:1.4}.mode-list,.setup-list{gap:12px;display:grid}.mode-card{border-radius:var(--radius);border:1px solid var(--border);width:100%;color:var(--ink);cursor:pointer;background:#ffffff05;grid-template-columns:4px 40px 1fr auto;align-items:center;gap:14px;padding:16px;transition:all .2s;display:grid}.mode-card:hover{border-color:var(--border-strong);background:#ffffff0d;transform:translate(4px)}.accent-bar{background:var(--card-color,var(--aqua));border-radius:99px;width:4px;height:40px}.mode-icon{width:40px;height:40px;color:var(--card-color,var(--aqua));background:color-mix(in oklab, var(--card-color,var(--aqua)) 15%, transparent);border:1px solid color-mix(in oklab, var(--card-color,var(--aqua)) 28%, transparent);border-radius:8px;place-items:center;font-size:1.15rem;font-weight:800;display:grid}.mode-body{flex-direction:column;display:flex}.mode-title{font-size:1.1rem;font-weight:700}.mode-subtitle{color:var(--muted);margin-top:2px;font-size:.85rem}.mode-arrow{color:var(--muted);font-size:1.5rem;line-height:1}.setup-section{flex-direction:column;gap:8px;display:flex}.section-label{font-family:var(--font-mono);color:var(--aqua);letter-spacing:.08em;text-transform:uppercase;font-size:.75rem}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--border);color:var(--muted);cursor:pointer;background:#ffffff08;border-radius:20px;padding:8px 16px;font-size:.88rem;font-weight:600;transition:all .15s}.chip:hover{border-color:var(--border-strong);color:var(--ink)}.chip.on{background:var(--aqua);border-color:var(--aqua);color:#050711;box-shadow:0 0 12px #67d6ff66}.keyboard-row{justify-content:center;gap:6px;padding:10px 0;display:flex}.key-btn{border:1px solid var(--border);min-height:60px;color:var(--ink);font-family:var(--font-mono);cursor:pointer;background:#ffffff08;border-radius:6px;flex-direction:column;flex:1;justify-content:center;align-items:center;font-size:1.1rem;font-weight:700;transition:all .15s;display:flex}.key-btn:hover{border-color:var(--border-strong);background:#ffffff14}.key-btn.on{background:var(--gold);color:#050711;border-color:var(--gold);box-shadow:0 0 16px #f2b66166}.button-row{gap:12px;margin-top:16px;display:flex}.primary-button{border-radius:var(--radius);background:var(--mint);color:#050711;cursor:pointer;pointer-events:auto;text-align:center;border:none;flex:1;padding:14px;font-size:1rem;font-weight:800;transition:all .2s;box-shadow:0 4px 12px #7af0c959}.primary-button:hover{background:color-mix(in oklab, var(--mint) 90%, #fff);transform:translateY(-2px);box-shadow:0 6px 18px #7af0c980}.secondary-button{border-radius:var(--radius);border:1px solid var(--border);color:var(--ink);cursor:pointer;pointer-events:auto;background:#ffffff08;padding:14px 20px;font-size:1rem;font-weight:700;transition:all .2s}.secondary-button:hover{border-color:var(--border-strong);background:#ffffff14}.hud-wrapper{pointer-events:none;z-index:100;flex-direction:column;justify-content:space-between;width:100vw;height:100vh;padding:clamp(14px,3vw,24px);display:flex;position:absolute;inset:0}.hud-top{justify-content:space-between;align-items:flex-start;width:100%;display:flex}.hud-card{pointer-events:auto;border-radius:var(--radius);border:1px solid var(--border);-webkit-backdrop-filter:blur(12px);background:#071018a6;flex-direction:column;gap:4px;padding:12px 18px;display:flex;box-shadow:0 10px 30px #0006}.hud-label{font-family:var(--font-mono);color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.7rem}.hud-value{color:var(--ink);font-size:1.4rem;font-weight:800}.hud-value .accent{color:var(--gold)}.hud-instruction{pointer-events:auto;text-align:right;max-width:40%;color:var(--muted);text-shadow:0 2px 4px #000c;font-size:.88rem;line-height:1.4}.hud-bottom{flex-direction:column;align-items:center;gap:12px;width:100%;display:flex}.answer-panel{pointer-events:auto;border-radius:var(--radius);border:1px solid var(--border-strong);-webkit-backdrop-filter:blur(16px);width:min(100%,580px);box-shadow:var(--shadow);background:#071018d9;flex-direction:column;gap:12px;padding:16px;animation:.3s cubic-bezier(.16,1,.3,1) forwards slideUp;display:flex}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.answer-grid{grid-template-columns:repeat(auto-fit,minmax(68px,1fr));gap:8px;display:grid}.answer-btn{border-radius:var(--radius);border:1px solid var(--border);color:var(--ink);font-family:var(--font-mono);cursor:pointer;background:#ffffff05;flex-direction:column;justify-content:center;align-items:center;padding:14px 8px;font-size:1.2rem;font-weight:800;transition:all .15s;display:flex}.answer-btn:hover{border-color:var(--border-strong);background:#ffffff0f;transform:translateY(-2px)}.volume-control{pointer-events:auto;-webkit-backdrop-filter:blur(12px);border-radius:var(--radius);border:1px solid var(--border);background:#071018a6;align-items:center;gap:10px;padding:10px 14px;display:flex}.volume-control span{font-size:1rem}.volume-slider{-webkit-appearance:none;cursor:pointer;background:#ffffff26;border-radius:99px;outline:none;width:90px;height:6px}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--aqua);border-radius:50%;width:14px;height:14px;box-shadow:0 0 6px #67d6ff99}.feedback-toast{border-radius:var(--radius);border:1px solid var(--border-color,var(--border));-webkit-backdrop-filter:blur(20px);box-shadow:var(--shadow);z-index:200;opacity:0;pointer-events:none;background:#071018f2;flex-direction:column;align-items:center;gap:10px;padding:24px 36px;transition:all .25s cubic-bezier(.175,.885,.32,1.275);display:flex;position:fixed;top:40%;left:50%;transform:translate(-50%,-50%)scale(.9)}.feedback-toast.show{opacity:1;transform:translate(-50%,-50%)scale(1)}.feedback-icon{font-size:3.5rem}.feedback-text{color:var(--ink);font-size:1.5rem;font-weight:800}.controls-hint{pointer-events:auto;color:var(--muted);font-size:.82rem;font-family:var(--font-mono);background:#07101880;border-radius:16px;margin-top:6px;padding:6px 12px}#radar-canvas{pointer-events:none;border-radius:50%;position:absolute;bottom:20px;right:20px;box-shadow:0 4px 20px #00000080}@media (max-width:600px){.app-shell{padding:10px}.screen{padding:16px}.hud-instruction{display:none}.answer-panel{width:calc(100vw - 20px)}}