*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:#0a0015;display:flex;justify-content:center;align-items:flex-start;min-height:100vh;font-family:Arial,sans-serif;color:#fff}.app{display:flex;flex-direction:column;align-items:center;width:100%;max-width:440px;padding:10px 8px}.title{font-size:1.8rem;background:linear-gradient(135deg,#ff69b4,#bf40ff,#00d4ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-top:16px;margin-bottom:4px}.subtitle{color:#888;font-size:.9rem;margin-bottom:20px}.song-list{width:100%;display:flex;flex-direction:column;gap:8px}.song-card{display:flex;align-items:center;justify-content:space-between;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:14px 16px;cursor:pointer;transition:background .15s,border-color .15s,transform .1s;color:#fff;font-family:inherit;font-size:inherit;text-align:left;width:100%}.song-card:hover{background:#ffffff1a;border-color:#bf40ff66;transform:translateY(-1px)}.song-card:active{transform:scale(.98)}.song-info{display:flex;flex-direction:column;gap:3px}.song-title{font-size:1rem;font-weight:600}.song-diff{font-size:.8rem;color:gold;letter-spacing:2px}.song-score{display:flex;align-items:center;gap:8px}.grade{font-size:1.4rem;font-weight:700}.grade-S{color:gold;text-shadow:0 0 8px rgba(255,215,0,.6)}.grade-A{color:#39ff14}.grade-B{color:#00d4ff}.grade-C{color:#f90}.grade-D{color:#f44}.hs-val{font-size:.85rem;color:#aaa}.no-score{color:#555;font-size:1.2rem}.controls-hint{margin-top:20px;text-align:center;color:#555;font-size:.75rem;line-height:1.6}.difficulty-picker{width:100%;display:flex;flex-direction:column;gap:10px;margin-top:12px}.diff-btn{display:flex;flex-direction:column;gap:2px;background:#ffffff0f;border:2px solid rgba(255,255,255,.1);border-radius:12px;padding:14px 16px;cursor:pointer;transition:background .15s,border-color .15s,transform .1s;color:#fff;font-family:inherit;text-align:left;width:100%}.diff-btn:hover{background:#ffffff1a}.diff-btn:active{transform:scale(.98)}.diff-active.diff-easy{border-color:#39ff14;background:#39ff141a}.diff-active.diff-medium{border-color:gold;background:#ffd7001a}.diff-active.diff-hard{border-color:#f44;background:#ff44441a}.diff-label{font-size:1.1rem;font-weight:700}.diff-easy .diff-label{color:#39ff14}.diff-medium .diff-label{color:gold}.diff-hard .diff-label{color:#f44}.diff-desc{font-size:.8rem;color:#888}.difficulty-actions{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:20px;width:100%}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:16px;color:#aaa}.loading-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.15);border-top-color:#bf40ff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hud{display:flex;gap:8px;background:#ffffff14;border-radius:12px;padding:8px 12px;margin-bottom:4px;width:100%;max-width:400px;justify-content:space-around;align-items:center}.stat{text-align:center;min-width:52px}.sl{font-size:10px;color:#888;text-transform:uppercase;letter-spacing:1px}.sv{font-size:18px;font-weight:700;color:#fff;min-height:24px;line-height:1.3}.combo-stat .sv{color:gold}.pause-btn{background:none;border:1px solid rgba(255,255,255,.2);color:#aaa;font-size:16px;width:32px;height:32px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.pause-btn:hover{background:#ffffff1a}.progress-bar{width:100%;max-width:400px;height:3px;background:#ffffff1a;border-radius:2px;margin-bottom:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(to right,#ff69b4,#bf40ff);border-radius:2px;transition:width .3s linear}.wrap{position:relative;width:100%;max-width:400px}.cvs{width:100%;height:auto;display:block;border-radius:12px;touch-action:none;box-shadow:0 4px 24px #0009;user-select:none;-webkit-user-select:none}.ov{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0a0015d9;border-radius:12px}.ov-inner{text-align:center;color:#fff;padding:24px 20px}.ov-inner h1{font-size:1.8rem;margin-bottom:8px}.pause-song{color:#aaa;margin-bottom:20px}.results{text-align:center;padding:30px 20px;width:100%}.results-title{font-size:1.6rem;margin-bottom:16px;background:linear-gradient(135deg,#ff69b4,#bf40ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.results-grade{font-size:4rem;font-weight:700;margin-bottom:8px}.results-score{font-size:2rem;font-weight:700;margin-bottom:6px}.new-hs{color:gold;font-size:1.1rem;font-weight:700;margin-bottom:8px;animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.results-accuracy{color:#aaa;font-size:1rem;margin-bottom:4px}.results-combo{color:#888;font-size:.9rem;margin-bottom:20px}.results-breakdown{display:inline-flex;flex-direction:column;gap:6px;margin-bottom:24px;text-align:left}.bd-row{display:flex;justify-content:space-between;gap:24px;font-size:.9rem}.bd-label{font-weight:700}.bd-val{color:#ccc;min-width:40px;text-align:right}.results-actions{display:flex;flex-direction:column;align-items:center;gap:10px}.btn{background:linear-gradient(135deg,#bf40ff,#ff69b4);color:#fff;border:none;padding:13px 40px;font-size:1.05rem;font-weight:700;border-radius:30px;cursor:pointer;margin-top:6px;box-shadow:0 4px 16px #bf40ff66;transition:transform .1s,box-shadow .1s}.btn:hover{transform:scale(1.05);box-shadow:0 6px 20px #bf40ff8c}.btn:active{transform:scale(.97)}.btn-secondary{background:#ffffff1a;box-shadow:none;border:1px solid rgba(255,255,255,.2)}.btn-secondary:hover{background:#ffffff26;box-shadow:none}