:root{--forest-0:#050b09;--forest-1:#081912;--forest-2:#10281f;--night-0:#050711;--night-1:#0b1324;--ink:#eaf4ff;--muted:#9cb4c9;--dim:#eaf4ff47;--border:#67d6ff2e;--border-strong:#67d6ff73;--aqua:#67d6ff;--mint:#7af0c9;--gold:#f2b661;--rose:#ff4a5a;--panel:#0a101ad1;--shadow:0 16px 48px #0009;--radius:12px;--font-body:"Outfit", "Hanken Grotesk", system-ui, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100vh;color:var(--ink);font-family:var(--font-body);background-color:#050711;overflow-x:hidden}body{background:linear-gradient(135deg, #67d6ff14 0%, transparent 40%), linear-gradient(225deg, #7af0c90f 0%, transparent 45%), linear-gradient(180deg, var(--night-0) 0%, var(--night-1) 100%);justify-content:center;align-items:flex-start;display:flex}.bg-grid{pointer-events:none;opacity:.3;z-index:-1;background:repeating-linear-gradient(#0000 0 39px,#67d6ff0f 40px,#0000 41px),repeating-linear-gradient(90deg,#0000 0 79px,#67d6ff0a 80px,#0000 81px);position:fixed;inset:0}.app-shell{flex-direction:column;width:min(100%,820px);min-height:100vh;margin:0 auto;padding:16px;display:flex}.screen{flex-direction:column;flex:1;gap:16px;animation:.4s ease-out fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}header.topline{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.logo-section h1{background:linear-gradient(120deg, var(--aqua), var(--mint));-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;font-size:2rem;font-weight:800}.logo-section p{color:var(--muted);font-size:.85rem}.setup-panel{flex-direction:column;gap:14px;display:flex}.panel-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:16px}.panel-title{text-transform:uppercase;letter-spacing:1.5px;color:var(--aqua);margin-bottom:12px;font-size:.95rem;font-weight:700}.level-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px;display:grid}.level-btn{border:1px solid #ffffff0d;border-left:5px solid var(--accent-color,var(--aqua));text-align:left;cursor:pointer;color:var(--ink);background:#ffffff05;border-radius:8px;padding:12px;transition:all .2s}.level-btn:hover{border-color:var(--border-strong);background:#ffffff0f;transform:translate(2px)}.level-btn.selected{border-color:var(--accent-color,var(--aqua));background:#67d6ff1f;box-shadow:0 0 15px #67d6ff1a}.level-btn .num{color:var(--muted);font-size:.75rem;font-family:var(--font-mono);display:block}.level-btn .name{margin-top:2px;font-size:.95rem;font-weight:700}.level-btn .status{color:var(--mint);text-transform:uppercase;margin-top:4px;font-size:.65rem;font-weight:700}.options-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.custom-select{flex-direction:column;gap:8px;display:flex}.selector-buttons{flex-wrap:wrap;gap:6px;display:flex}.selector-btn{border:1px solid var(--border);min-width:70px;color:var(--muted);cursor:pointer;text-align:center;background:#ffffff08;border-radius:6px;flex:1;padding:8px 12px;font-size:.85rem;font-weight:500;transition:all .15s}.selector-btn:hover{color:var(--ink);background:#ffffff14}.selector-btn.active{background:var(--aqua);color:#050711;border-color:var(--aqua);font-weight:700}.mic-card{justify-content:space-between;align-items:center;gap:12px;display:flex}.mic-status-indicator{align-items:center;gap:8px;font-size:.9rem;display:flex}.status-dot{background:var(--rose);border-radius:50%;width:10px;height:10px}.status-dot.ok{background:var(--mint);box-shadow:0 0 10px var(--mint)}.btn-primary{background:linear-gradient(90deg, var(--aqua), var(--mint));color:#050711;border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;width:100%;padding:14px;font-size:1.1rem;font-weight:800;transition:all .2s;display:flex;box-shadow:0 8px 24px #67d6ff40}.btn-primary:hover{transform:translateY(-1.5px);box-shadow:0 12px 30px #67d6ff66}.btn-primary:active{transform:translateY(.5px)}.btn-primary:disabled{color:#5b6e85;box-shadow:none;cursor:not-allowed;background:#2a3544}.game-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.btn-back{border:1px solid var(--border);color:var(--muted);cursor:pointer;background:#ffffff0d;border-radius:6px;padding:6px 12px;font-size:.8rem;transition:all .2s}.btn-back:hover{color:var(--ink);background:#ffffff1a}.hud-scores{font-family:var(--font-mono);gap:16px;display:flex}.hud-item{text-align:right}.hud-label{color:var(--muted);text-transform:uppercase;font-size:.65rem}.hud-value{color:var(--aqua);font-size:1rem;font-weight:700}.hud-value.gold{color:var(--gold)}.hud-strikes{gap:4px;margin-top:2px;display:flex}.strike-dot{border:1.5px solid var(--border);background:0 0;border-radius:50%;width:14px;height:14px}.strike-dot.active{background:var(--rose);border-color:var(--rose);box-shadow:0 0 8px var(--rose)}.game-viewport{aspect-ratio:16/10;border:1.5px solid var(--border);border-radius:var(--radius);width:100%;max-height:480px;box-shadow:var(--shadow);background:#000;position:relative;overflow:hidden}.game-canvas{width:100%;height:100%;display:block}.tuning-hud{margin-bottom:4px;display:block}.tuner-note-box{border:1.5px solid var(--border);background:#ffffff08;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;width:50px;height:50px;display:flex}.tuner-note-box.active{border-color:var(--mint);background:#7af0c90d;box-shadow:0 0 10px #7af0c91a}.tuner-note-label{color:var(--muted);text-transform:uppercase;font-size:.6rem}.tuner-note-value{color:var(--ink);font-size:1.25rem;font-weight:800}.tuner-bar-wrapper{flex-direction:column;gap:6px;display:flex}.tuner-slider-bg{border:1px solid var(--border);background:#ffffff0d;border-radius:99px;height:8px;position:relative}.tuner-marker-center{background:var(--mint);width:2px;height:12px;position:absolute;top:-3px;left:50%}.tuner-indicator{background:var(--gold);border-radius:50%;width:10px;height:10px;transition:left .1s ease-out;position:absolute;top:-2px;transform:translate(-50%)}.tuner-indicator.locked{background:var(--mint);box-shadow:0 0 8px var(--mint)}.charge-meter{border:1px solid var(--border);background:#0006;border-radius:99px;height:14px;position:relative;overflow:hidden}.charge-fill{background:linear-gradient(90deg, var(--gold), var(--mint));width:0%;height:100%;transition:width .1s ease-out;box-shadow:0 0 12px #7af0c966}.charge-text{text-transform:uppercase;letter-spacing:1px;justify-content:center;align-items:center;font-size:.65rem;font-weight:700;display:flex;position:absolute;inset:0}.input-panel{grid-template-columns:1fr auto;align-items:center;gap:12px;display:grid}.answer-input-box{border:1.5px solid var(--border);border-radius:var(--radius);height:52px;color:var(--mint);letter-spacing:1px;font-size:1.5rem;font-weight:800;font-family:var(--font-mono);background:#ffffff08;align-items:center;padding:0 16px;display:flex}.answer-input-box.empty{color:var(--dim)}.btn-confirm{background:var(--aqua);color:#050711;border-radius:var(--radius);cursor:pointer;border:none;height:52px;padding:0 24px;font-size:1rem;font-weight:800;transition:all .15s;box-shadow:0 4px 15px #67d6ff26}.btn-confirm:hover:not(:disabled){background:#89e2ff;transform:translateY(-1px)}.btn-confirm:disabled{color:#5b6e85;box-shadow:none;cursor:not-allowed;background:#2a3544}.virtual-keyboard{flex-direction:column;gap:6px;display:flex}.kbd-row{gap:6px;display:flex}.kbd-btn{border:1px solid var(--border);height:44px;color:var(--ink);cursor:pointer;background:#ffffff0a;border-radius:8px;flex:1;place-items:center;font-size:1.05rem;font-weight:700;transition:all .1s;display:grid}.kbd-btn:hover{border-color:var(--border-strong);background:#ffffff14}.kbd-btn:active{background:#ffffff26;transform:scale(.97)}.kbd-btn.wide{color:var(--rose);background:#ff4a5a1a;border-color:#ff4a5a40;flex:1.5}.kbd-btn.wide:hover{background:#ff4a5a2e}.viewport-modal{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);text-align:center;z-index:10;background:#050711d9;flex-direction:column;justify-content:center;align-items:center;padding:24px;animation:.3s ease-out modalFadeIn;display:flex;position:absolute;inset:0}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}.modal-title{margin-bottom:8px;font-size:1.8rem;font-weight:800}.modal-title.victory{background:linear-gradient(120deg, var(--gold), var(--mint));-webkit-text-fill-color:transparent;-webkit-background-clip:text}.modal-title.defeat{color:var(--rose)}.modal-body{color:var(--muted);max-width:320px;margin-bottom:24px;font-size:.95rem;line-height:1.45}.modal-score{color:var(--gold);font-size:2.8rem;font-weight:800;font-family:var(--font-mono);margin-top:6px}.modal-buttons{gap:12px;display:flex}.modal-btn{background:var(--aqua);color:#050711;cursor:pointer;border:none;border-radius:8px;padding:10px 20px;font-size:.95rem;font-weight:800;transition:all .2s}.modal-btn:hover{transform:translateY(-1px)}.modal-btn.secondary{border:1px solid var(--border);color:var(--ink);background:#ffffff0f}.modal-btn.secondary:hover{background:#ffffff1f}.feedback-ticker{text-align:center;justify-content:center;align-items:center;min-height:36px;font-size:1rem;font-weight:700;display:flex}.feedback-ticker.correct{color:var(--mint);text-shadow:0 0 10px #7af0c94d}.feedback-ticker.wrong{color:var(--rose);text-shadow:0 0 10px #ff4a5a4d}.feedback-ticker.info{color:var(--gold)}@media (max-width:580px){.options-row{grid-template-columns:1fr}}.challenge-display-card{background:#67d6ff0d;border-color:#67d6ff38;flex-direction:column;justify-content:center;align-items:center;padding:10px 20px;display:flex;box-shadow:0 0 24px #67d6ff14}.challenge-title-label{font-family:var(--font-mono);color:var(--muted);letter-spacing:2.5px;text-transform:uppercase;margin-bottom:2px;font-size:.65rem}.challenge-main-row{justify-content:center;align-items:center;gap:16px;display:flex}.challenge-note{color:#fff;text-shadow:0 0 15px #fff6;font-size:2.5rem;font-weight:900;font-family:var(--font-mono)}.challenge-arrow{border-radius:6px;padding:2px 12px;font-size:1.8rem;font-weight:800}.challenge-arrow.up{color:var(--rose);background:#ff4a5a26;border:1px solid #ff4a5a59;box-shadow:0 0 10px #ff4a5a26}.challenge-arrow.down{color:var(--aqua);background:#67d6ff26;border:1px solid #67d6ff59;box-shadow:0 0 10px #67d6ff26}.challenge-interval{color:var(--gold);text-shadow:0 0 12px #f2b66166;font-size:2rem;font-weight:700}.btn-replay-note{border:1px solid var(--border-strong);color:var(--aqua);cursor:pointer;background:#67d6ff1f;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:1.1rem;transition:all .2s;display:flex}.btn-replay-note:hover:not(:disabled){background:#67d6ff40;transform:scale(1.08);box-shadow:0 0 12px #67d6ff4d}.btn-replay-note:disabled{opacity:.35;cursor:default}