:root{--safe-t:env(safe-area-inset-top,0px);--safe-b:env(safe-area-inset-bottom,0px);--safe-l:env(safe-area-inset-left,0px);--safe-r:env(safe-area-inset-right,0px);--ink:#f4f7fb;--panel:#0d1b2ad1;--accent:#ffd23d;--accent2:#ff6b9d;font-family:Trebuchet MS,Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}html,body{height:100%;color:var(--ink);touch-action:none;background:#0d1b2a;margin:0;padding:0;overflow:hidden}#app,#game-canvas{width:100%;height:100%;position:fixed;top:0;bottom:0;left:0;right:0}#game-canvas{display:block}#ui-root{pointer-events:none;z-index:10;position:fixed;top:0;bottom:0;left:0;right:0}#ui-root button{pointer-events:auto;font-family:inherit}.speed-fx{pointer-events:none;opacity:0;mix-blend-mode:screen;background:radial-gradient(60% 60%,#0000 40%,#0000008c 100%),repeating-radial-gradient(circle,#ffffff2e 0 2px,#0000 2px 22px);transition:opacity .2s linear;position:fixed;top:0;bottom:0;left:0;right:0}.hud{position:absolute;top:0;bottom:0;left:0;right:0}.hud-top-left{top:calc(12px + var(--safe-t));left:calc(16px + var(--safe-l));flex-direction:column;gap:6px;display:flex;position:absolute}.hud-score{text-shadow:0 2px 8px #0009;font-size:clamp(22px,4.5vh,40px);font-weight:700}.hud-combo{color:var(--accent);text-shadow:0 2px 6px #000000b3;opacity:0;font-size:clamp(16px,3vh,26px);font-weight:700;transition:opacity .15s}.hud-combo.active{opacity:1}.hud-combo-meter{background:#fff3;border-radius:4px;width:130px;height:7px;overflow:hidden}.hud-combo-meter>i{background:linear-gradient(90deg, var(--accent2), var(--accent));transform-origin:0;width:100%;height:100%;display:block}.hud-top-right{top:calc(12px + var(--safe-t));right:calc(16px + var(--safe-r));text-align:right;flex-direction:column;align-items:flex-end;gap:4px;display:flex;position:absolute}.hud-time{text-shadow:0 2px 8px #0009;font-size:clamp(20px,4vh,34px);font-weight:700}.hud-surface{opacity:.8;letter-spacing:.05em;font-size:13px}.hud-prompt{bottom:calc(10px + var(--safe-b));opacity:.65;text-align:center;font-size:13px;position:absolute;left:50%;transform:translate(-50%)}.popup-layer{position:absolute;top:0;bottom:0;left:0;right:0;overflow:hidden}.popup{text-shadow:0 2px 6px #000000b3;font-size:20px;font-weight:700;animation:.9s ease-out forwards floatUp;position:absolute}@keyframes floatUp{0%{opacity:0;transform:translateY(0)scale(.8)}20%{opacity:1;transform:translateY(-8px)scale(1.1)}to{opacity:0;transform:translateY(-60px)scale(1)}}.hud-mood{top:calc(8px + var(--safe-t));pointer-events:none;align-items:center;gap:8px;display:flex;position:absolute;left:50%;transform:translate(-50%)}.mood-face{filter:drop-shadow(0 2px 3px #00000080);align-items:center;display:inline-flex}.mood-bar{background:#0006;border:2px solid #ffffff8c;border-radius:8px;width:min(40vw,220px);height:13px;overflow:hidden}.mood-bar>i{background:#d5d51a;width:50%;height:100%;transition:width .2s ease-out,background .2s ease-out;display:block}.pause-btn{top:calc(40px + var(--safe-t));z-index:40;background:var(--panel);width:44px;height:44px;color:var(--ink);cursor:pointer;border:none;border-radius:12px;font-size:18px;position:absolute;right:50%;transform:translate(50%)}.touch-surface{z-index:3;pointer-events:auto;touch-action:none;position:absolute;top:0;bottom:0;left:0;right:0}.touch-btn{bottom:calc(30px + var(--safe-b));color:#ffffffd9;pointer-events:auto;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;background:#ffffff1a;border:3px solid #fff6;border-radius:50%;justify-content:center;align-items:center;width:92px;height:92px;padding:0;font-size:38px;line-height:1;transition:background .1s,transform 50ms;display:flex;position:absolute}.touch-btn-left{left:calc(24px + var(--safe-l))}.touch-btn-right{right:calc(24px + var(--safe-r))}.touch-btn.pressed{background:#ffffff5c;transform:scale(.94)}.touch-hint{bottom:calc(10px + var(--safe-b));opacity:.55;pointer-events:none;white-space:nowrap;font-size:13px;position:absolute;left:50%;transform:translate(-50%)}.menu{z-index:30;-webkit-overflow-scrolling:touch;pointer-events:auto;background:radial-gradient(at 50% 30%,#14284199,#050c16eb);position:absolute;top:0;bottom:0;left:0;right:0;overflow-y:auto}.menu-inner{box-sizing:border-box;text-align:center;min-height:100%;padding:calc(14px + var(--safe-t)) calc(20px + var(--safe-r)) calc(14px + var(--safe-b)) calc(20px + var(--safe-l));flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.panda-viewer-mount{width:clamp(120px,26vh,190px);height:clamp(120px,26vh,190px)}.panda-viewer-mount canvas{cursor:grab;width:100%;height:100%;display:block}.panda-viewer-mount canvas:active{cursor:grabbing}.menu h1{color:var(--accent);text-shadow:0 4px #b8860b,0 10px 24px #0009;letter-spacing:.02em;margin:0;font-size:clamp(32px,8vh,80px)}.menu h2{margin:0 0 4px;font-size:clamp(26px,6vh,48px)}.menu p{opacity:.85;max-width:540px;margin:0;line-height:1.5}.menu .hint{opacity:.7;font-size:14px}.btn{pointer-events:auto;cursor:pointer;background:var(--accent);color:#2a2102;border:none;border-radius:14px;min-width:220px;padding:14px 28px;font-size:20px;font-weight:700;transition:transform 80ms,filter .12s}.btn.secondary{color:var(--ink);background:#ffffff29}.level-list{flex-direction:column;gap:8px;width:100%;max-width:360px;display:flex}.level-btn{text-align:left;justify-content:flex-start;align-items:center;gap:12px;min-width:0;font-size:18px;display:flex}.level-num{background:#00000047;border-radius:8px;flex:none;justify-content:center;align-items:center;width:28px;height:28px;font-size:15px;display:inline-flex}.btn:hover{filter:brightness(1.08)}.btn:active{transform:scale(.96)}.result-panda{filter:drop-shadow(0 6px 12px #00000073);animation:.5s cubic-bezier(.2,1.4,.5,1) both pandaPop}@keyframes pandaPop{0%{opacity:0;transform:scale(.3)rotate(-12deg)}to{opacity:1;transform:scale(1)rotate(0)}}.breakdown{background:var(--panel);border-radius:16px;flex-direction:column;gap:8px;min-width:300px;padding:18px 26px;display:flex}.breakdown .row{justify-content:space-between;gap:36px;font-size:18px;display:flex}.breakdown .row.total{color:var(--accent);border-top:1px solid #ffffff40;margin-top:6px;padding-top:10px;font-size:24px;font-weight:700}.hidden{display:none!important}.orientation-gate{z-index:100;color:var(--ink);text-align:center;background:#0d1b2a;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:24px;display:none;position:fixed;top:0;bottom:0;left:0;right:0}.orientation-gate .rot{font-size:64px;animation:2s ease-in-out infinite rotate90}@keyframes rotate90{0%,40%{transform:rotate(0)}60%,to{transform:rotate(-90deg)}}@media (orientation:portrait) and (max-width:920px){.orientation-gate{display:flex}}