body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}:root{color:#eef3ff;background:#0f1117}*{box-sizing:border-box}button,input{font:inherit}button{cursor:pointer;border:0;border-radius:8px}button:disabled{cursor:not-allowed;opacity:.45}.app-shell{background:radial-gradient(circle at 0 0,#4371ff3d,#0000 34rem),linear-gradient(135deg,#10131b 0%,#151922 48%,#0f1117 100%);min-height:100vh;padding:18px}.hero-panel{grid-template-columns:minmax(0,1fr) minmax(280px,420px);align-items:end;gap:24px;max-width:1280px;margin:0 auto 24px;display:grid}.hero-copy h1{letter-spacing:0;max-width:760px;margin:0;font-size:clamp(2.1rem,5vw,4.6rem);line-height:.98}.hero-copy p{color:#aeb8cf;max-width:680px;margin:18px 0 0;font-size:1.02rem;line-height:1.7}.eyebrow{color:#7aa2ff;letter-spacing:.08em;text-transform:uppercase;margin:0 0 12px;font-size:.82rem;font-weight:800}.stats-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0;display:grid}.stats-grid div{background:#ffffff0f;border:1px solid #ffffff14;border-radius:8px;min-width:0;padding:12px}.stats-grid span{text-overflow:ellipsis;white-space:nowrap;font-size:1.05rem;font-weight:800;display:block;overflow:hidden}.stats-grid small{color:#8e98ae;text-transform:uppercase}.editor-layout{grid-template-columns:minmax(440px,1fr) 380px;gap:18px;max-width:1440px;min-height:calc(100vh - 36px);margin:0 auto;display:grid}.game-area,.side-panel{background:#0d1018d6;border:1px solid #ffffff14;border-radius:8px;box-shadow:0 18px 48px #0000003d}.game-area{grid-template-rows:auto minmax(480px,1fr) auto;min-width:0;padding:18px;display:grid}.game-header{justify-content:space-between;align-items:start;gap:16px;margin-bottom:14px;display:flex}.game-header h1{text-overflow:ellipsis;white-space:nowrap;max-width:760px;margin:0;font-size:clamp(1.6rem,3vw,3.2rem);line-height:1;overflow:hidden}.recording-badge{color:#9ea9bd;text-align:center;text-transform:uppercase;border:1px solid #ffffff1a;border-radius:999px;min-width:96px;padding:9px 12px;font-size:.8rem;font-weight:800}.recording-badge.live{color:#ff6b8a;background:#ff6b8a1a;border-color:#ff6b8a8c}.game-stage{background:linear-gradient(#7aa2ff1f,#0000 34%),#07080d;border:1px solid #ffffff14;border-radius:8px;min-height:520px;display:grid;position:relative;overflow:hidden}.stage-time{z-index:4;gap:2px;display:grid;position:absolute;top:16px;left:18px}.stage-time span{font-size:clamp(1.8rem,4vw,3.2rem);font-weight:900;line-height:1}.stage-time small{color:#9ea9bd;text-transform:uppercase;font-weight:800}.mania-field{background:linear-gradient(#ffffff0f 0,#0000 24% 100%),#00000047;border-inline:1px solid #ffffff1f;grid-template-columns:repeat(4,minmax(82px,1fr));width:min(560px,100% - 36px);height:calc(100% - 28px);min-height:492px;margin:14px auto;display:grid;position:relative;overflow:hidden}.mania-field.editable .falling-note.editable{cursor:grab}.mania-field.editable .falling-note.editable:active{cursor:grabbing}.game-lane{color:#eef3ff;background:linear-gradient(#ffffff0a,#ffffff03),#0e121dd1;border-right:1px solid #ffffff1f;border-radius:0;min-width:0;height:100%;position:relative}.game-lane:last-of-type{border-right:0}.game-lane.selected{background:linear-gradient(#7aa2ff1f,#7aa2ff08),#0e121de6}.game-lane.pressed{background:linear-gradient(#ffc8573d,#ffc8570d),#241b08e6}.game-lane.holding-test{background:linear-gradient(#55d6be3d,#55d6be0d),#07201fe6}.lane-guide{color:#eef3ff3d;font-size:2.2rem;font-weight:900;position:absolute;top:18px;left:50%;transform:translate(-50%)}.falling-note{z-index:2;background:#7aa2ff;border-radius:4px;height:18px;position:absolute;left:18%;right:18%;box-shadow:0 0 18px #7aa2ff94}.falling-note.long{background:linear-gradient(#ffc857,#ff8a57);min-height:32px;box-shadow:0 0 22px #ffc85773}.game-note-wrapper{display:contents}.game-resize-handle{z-index:4;cursor:ns-resize;background:#ffffff38;border:2px solid #ffffffd1;border-radius:999px;height:12px;position:absolute;left:28%;right:28%;transform:translateY(-50%);box-shadow:0 0 14px #ffffff42}.falling-note.hit,.note-dot.hit{opacity:.32;filter:saturate(.6)}.falling-note.miss,.note-dot.miss{opacity:.36;box-shadow:none;background:#5b6272}.falling-note.holding,.note-dot.holding{outline:2px solid #55d6be}.receptor{z-index:3;color:#fff;background:#ffffff1f;border:2px solid #ffffffc2;border-radius:6px;place-items:center;height:52px;font-size:1.3rem;font-weight:900;display:grid;position:absolute;bottom:8%;left:16%;right:16%}.game-lane.pressed .receptor{background:#ffc85738;border-color:#ffc857}.judgement-line{z-index:1;background:#ffffff9e;height:2px;position:absolute;bottom:calc(8% + 26px);left:0;right:0;box-shadow:0 0 18px #ffffff5c}.control-stack{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px;display:grid}.control-stack .primary-button,.control-stack button:nth-child(4){grid-column:span 2}.control-stack button,.side-panel button{color:#eef3ff;background:#242a38;min-height:40px;padding:0 14px}.control-stack button:hover:not(:disabled),.side-panel button:hover:not(:disabled){background:#30384a}.primary-button{background:#3f73ff!important}.media-stage{background:#07080d;border:1px solid #ffffff14;border-radius:8px;place-items:center;min-height:150px;display:grid;overflow:hidden}.media-stage video{background:#05060a;width:100%;max-height:210px}.upload-drop{color:#dfe7ff;background:#3f73ff14;border:1px dashed #7aa2ff85;place-items:center;width:calc(100% - 32px);min-height:118px;margin:16px;display:grid}.upload-drop strong,.upload-drop span{display:block}.upload-drop strong{font-size:1.2rem}.upload-drop span{color:#98a5c0;margin-top:8px}.lane-pad{grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0;display:grid}.lane{color:#eef3ff;background:#181d29;place-items:center;min-height:118px;padding:16px;display:grid}.lane.active{background:#22365f;outline:2px solid #7aa2ff}.lane.holding{background:#3b2f14;outline:2px solid #ffc857}.lane span{font-size:2.5rem;font-weight:900}.lane small{color:#9ea9bd}.timeline{touch-action:none;background:linear-gradient(90deg,#ffffff14 1px,#0000 1px) 0 0/10% 100%,#0a0d14;border-radius:8px;height:58px;position:relative;overflow:hidden}.timeline.editable{cursor:pointer}.playhead{cursor:ew-resize;z-index:2;background:#fff;border-inline:4px solid #0000;width:10px;position:absolute;top:0;bottom:0;transform:translate(-5px)}.playhead:after{content:"";background:#fff;border-radius:999px;width:14px;height:14px;position:absolute;top:4px;left:50%;transform:translate(-50%);box-shadow:0 0 14px #ffffff85}.note-dot{cursor:grab;z-index:1;background:#7aa2ff;border-radius:999px;width:12px;height:34px;position:absolute;top:50%;transform:translate(-50%,-50%)}.note-dot.hold-note{border-radius:999px;min-width:18px;transform:translateY(-50%)}.note-dot:active{cursor:grabbing}.lane-d{background:#55d6be}.lane-f{background:#7aa2ff}.lane-j{background:#ffc857}.lane-k{background:#ff6b8a}.side-panel{min-width:0;max-height:calc(100vh - 36px);padding:18px;overflow:auto}.panel-title{margin-bottom:14px}.panel-title h2{margin:0;font-size:1.7rem}.panel-title p:not(.eyebrow){color:#9ea9bd;margin:8px 0 0;font-size:.92rem;line-height:1.5}.mode-switch{background:#0a0d14;border-radius:8px;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:14px;padding:5px;display:grid}.mode-switch button{color:#9ea9bd;background:0 0;min-height:38px}.mode-switch button.selected{color:#eef3ff;background:#3f73ff}.test-summary{background:#ffffff0d;border:1px solid #ffffff14;border-radius:8px;gap:8px;margin-bottom:16px;padding:14px;display:grid}.test-summary strong{font-size:1.8rem;line-height:1}.test-summary span{color:#9ea9bd;font-size:.9rem;line-height:1.45}.side-panel label,.lane-selector{color:#aeb8cf;gap:8px;margin-bottom:16px;font-size:.9rem;font-weight:700;display:grid}.side-panel input{color:#eef3ff;background:#0a0d14;border:1px solid #ffffff1a;border-radius:8px;width:100%;min-height:44px;padding:0 12px}.lane-selector div{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.chip.selected{background:#3f73ff}.note-list-header{justify-content:space-between;align-items:center;gap:12px;margin-top:18px;display:flex}.note-list-header h2{margin:0;font-size:1rem}.note-list{gap:8px;max-height:392px;margin:14px 0 0;padding:0;list-style:none;display:grid;overflow:auto}.note-list li{background:#151a25;border-radius:8px;grid-template-columns:42px 42px minmax(0,1fr) 64px auto;align-items:center;gap:8px;min-height:42px;padding:8px;display:grid}.note-list span{color:#7d879c}.note-list strong{background:#242a38;border-radius:8px;place-items:center;width:32px;height:32px;display:grid}.note-list code{color:#cbd5ea;text-overflow:ellipsis;overflow:hidden}.note-list em{color:#9ea9bd;font-size:.88rem;font-style:normal}.note-list .empty-state{color:#98a5c0;padding:18px;line-height:1.5;display:block}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=980px){.editor-layout{grid-template-columns:1fr;gap:16px;min-height:auto}.side-panel{order:2;max-height:none}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=640px){.app-shell{padding:14px}.game-area{padding:12px}.game-header{flex-direction:column;align-items:stretch}.game-header h1{white-space:normal}.stats-grid{grid-template-columns:1fr 1fr}.mania-field{grid-template-columns:repeat(4,minmax(58px,1fr));width:100%;min-height:430px}.media-stage{min-height:150px}.control-stack{grid-template-columns:1fr}.control-stack .primary-button,.control-stack button:nth-child(4){grid-column:auto}.note-list li{grid-template-columns:32px 36px minmax(0,1fr) 58px}.note-list li button{grid-column:1/-1}}