:root{--safe-t:env(safe-area-inset-top,0px);--safe-b:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{color:#fff;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;background:#06091a;width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden}#app{position:fixed;top:0;bottom:0;left:0;right:0}canvas{touch-action:none;display:block}#hud{pointer-events:none;z-index:10;position:fixed;top:0;bottom:0;left:0;right:0}#topbar{top:calc(var(--safe-t) + 10px);text-shadow:0 2px 6px #0009;justify-content:space-between;align-items:flex-start;padding:0 16px;font-weight:700;display:flex;position:absolute;left:0;right:0}#zone{letter-spacing:.5px;opacity:.95;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000047;border-radius:999px;padding:5px 11px;font-size:15px}#stats-right{text-align:right;line-height:1.35}#depth{font-size:22px}#speed{opacity:.8;font-size:13px}#attempts{top:calc(var(--safe-t) + 52px);opacity:.7;text-shadow:0 2px 6px #0009;font-size:12px;position:absolute;left:16px}#progress{background:#ffffff26;border-radius:4px;width:6px;position:absolute;top:22%;bottom:22%;right:8px;overflow:hidden}#progress-fill{background:linear-gradient(#7fd0ff,#2e7fff);border-radius:4px;height:0%;position:absolute;top:0;left:0;right:0}#crosshair{opacity:0;border:2px solid #ffffff8c;border-radius:50%;width:26px;height:26px;margin:-13px 0 0 -13px;transition:opacity .25s;position:absolute;top:50%;left:50%}#crosshair:after{content:"";background:#ffffffd9;border-radius:50%;width:3px;height:3px;margin:-1.5px 0 0 -1.5px;position:absolute;top:50%;left:50%}#crosshair.visible{opacity:1}#flash{opacity:0;background:0 0;position:absolute;top:0;bottom:0;left:0;right:0}#flash.run{animation:.45s ease-out flash}@keyframes flash{0%{opacity:.9}to{opacity:0}}#overlay{z-index:20;text-align:center;opacity:0;pointer-events:none;background:radial-gradient(#06091a73,#06091ad1);flex-direction:column;justify-content:center;align-items:center;padding:24px;transition:opacity .25s;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}#overlay.visible{opacity:1}#msg-title{letter-spacing:1px;text-shadow:0 4px 18px #000000b3;margin-bottom:14px;font-size:40px;font-weight:800}#msg-sub{opacity:.92;margin-bottom:18px;font-size:17px;line-height:1.5}#msg-stats{opacity:.85;background:#ffffff14;border-radius:12px;padding:8px 16px;font-size:15px;line-height:1.5}.pulse{animation:1.6s ease-in-out infinite pulse}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}#overlay.interactive{pointer-events:auto}#msg-buttons{flex-direction:column;gap:12px;width:min(320px,80vw);margin-top:22px;display:flex}.ui-btn{pointer-events:auto;font:inherit;color:#fff;cursor:pointer;background:#ffffff1f;border:1px solid #ffffff38;border-radius:14px;padding:14px 18px;font-size:17px;font-weight:700;transition:transform .1s,background .15s}.ui-btn:active{transform:scale(.96)}.ui-btn.primary{background:linear-gradient(135deg,#2e7fff,#16d0c0);border-color:#0000}.ui-btn:disabled{opacity:.7}#win-pseudo{flex-direction:column;gap:10px;width:min(320px,80vw);margin-top:18px;display:none}#win-pseudo-input{pointer-events:auto;font:inherit;text-align:center;color:#fff;background:#ffffff1a;border:1px solid #ffffff38;border-radius:12px;padding:12px 14px;font-size:16px;font-weight:700}#win-pseudo-input::placeholder{color:#ffffff80;font-weight:500}#btn-menu{top:calc(var(--safe-t) + 8px);z-index:15;pointer-events:auto;color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);cursor:pointer;background:#00000052;border:1px solid #ffffff2e;border-radius:12px;width:40px;height:40px;font-size:20px;position:absolute;right:12px}#stats-right{margin-right:48px}#menu{height:100vh;z-index:30;height:100dvh;padding:calc(20px + var(--safe-t)) 24px calc(20px + var(--safe-b));background:radial-gradient(#06091ae0,#06091af7);flex-direction:column;justify-content:flex-start;align-items:center;gap:14px;display:none;position:fixed;top:0;left:0;right:0;overflow-y:auto}#menu.visible{display:flex}#menu-title{letter-spacing:1px;text-shadow:0 4px 18px #000000b3;margin-top:auto;font-size:34px;font-weight:800}#menu-sub{opacity:.75;margin:-6px 0 4px;font-size:14px}#menu>#btn-settings{margin-bottom:auto}#pseudo-input{width:min(380px,88vw);font:inherit;color:#fff;text-align:center;background:#ffffff1a;border:1px solid #ffffff38;border-radius:12px;padding:12px 14px;font-size:16px;font-weight:700}#pseudo-input::placeholder{color:#ffffff80;font-weight:500}#leaderboard{width:min(380px,88vw)}#lb-title{opacity:.85;text-align:center;margin-bottom:8px;font-size:13px;font-weight:700}#lb-list{flex-direction:column;gap:6px;list-style:none;display:flex}#lb-list li{background:#ffffff12;border-radius:10px;align-items:center;gap:10px;padding:9px 12px;font-size:15px;display:flex}#lb-list li.lb-me{background:#2e7fff47}#lb-list li.lb-empty{opacity:.7;justify-content:center;font-size:13px}.lb-rank{opacity:.8;flex:none;width:20px;font-weight:800}.lb-name{white-space:nowrap;text-overflow:ellipsis;flex:1;font-weight:700;overflow:hidden}.lb-val{opacity:.85;flex:none;font-size:13px}#lb-mine{opacity:.7;text-align:center;margin-top:8px;font-size:12px}#menu-list{flex-direction:column;gap:12px;width:min(380px,88vw);max-height:64vh;display:flex;overflow-y:auto}.level-btn{pointer-events:auto;font:inherit;text-align:left;color:#fff;cursor:pointer;background:#ffffff1a;border:1px solid #ffffff2e;border-radius:16px;align-items:center;gap:14px;padding:16px 18px;transition:transform .1s,background .15s;display:flex}.level-btn:active{transform:scale(.97)}.level-btn.locked{opacity:.42;cursor:default}.level-btn .lv-idx{background:#ffffff24;border-radius:50%;flex:none;place-items:center;width:30px;height:30px;font-size:20px;font-weight:800;display:grid}.level-btn .lv-name{flex:1;font-size:18px;font-weight:700}.level-btn .lv-best{opacity:.8;font-size:13px}#btn-settings{pointer-events:auto;font:inherit;color:#fff;cursor:pointer;background:#ffffff1a;border:1px solid #fff3;border-radius:12px;margin-top:22px;padding:10px 18px;font-size:15px;font-weight:700}#settings{z-index:40;background:radial-gradient(#06091aed,#06091afa);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:24px;display:none;position:fixed;top:0;bottom:0;left:0;right:0}#settings.visible{display:flex}#settings-title{margin-bottom:10px;font-size:28px;font-weight:800}.set-row{background:#ffffff12;border-radius:14px;justify-content:space-between;align-items:center;width:min(340px,86vw);padding:14px 18px;font-size:17px;font-weight:600;display:flex}.toggle{pointer-events:auto;font:inherit;cursor:pointer;color:#fff;background:#ff505047;border:1px solid #fff3;border-radius:999px;min-width:90px;padding:9px 12px;font-size:14px;font-weight:700}.toggle.on{background:linear-gradient(135deg,#2e7fff,#16d0c0);border-color:#0000}#settings-close{width:min(340px,86vw);margin-top:16px}