:root{--ink:#172236;--muted:#637087;--line:#d8e2ef;--blue:#245ee5;--blue2:#123fa5;--purple:#7256d8;--purple2:#4f379f;--cyan:#33bed5;--gold:#f0ad32;--green:#16815b;--red:#bd3c4e;--paper:#fff;--soft:#f4f7fb}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 5% 0,#dceaff,transparent 30rem),radial-gradient(circle at 96% 18%,#eadfff,transparent 28rem),#f4f7fb;color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}button,input,select{font:inherit}.ml{width:min(1240px,calc(100% - 24px));margin:auto;padding:20px 0 70px}.ml-top{display:flex;justify-content:space-between;gap:12px;align-items:center}.ml-link{color:#506079;text-decoration:none;font-size:.8rem;font-weight:750}.ml-link:hover{color:var(--blue)}.ml-hero{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:end;padding:42px 0 30px}.ml-kicker{margin:0 0 8px;color:var(--purple);font-size:.75rem;font-weight:850;letter-spacing:.13em;text-transform:uppercase}.ml-hero h1{margin:0;font-size:clamp(2.8rem,7vw,5.6rem);line-height:.93;letter-spacing:-.065em}.ml-hero h1 span{color:var(--purple)}.ml-hero p{max-width:760px;margin:17px 0 0;color:var(--muted);font-size:1.06rem;line-height:1.6}.ml-file{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;padding:18px;border:1px solid #cfc5ef;border-radius:22px;background:#fff;box-shadow:0 18px 50px #17223614}.ml-file span{display:grid;height:48px;place-items:center;border-radius:9px;background:#211a3b;color:#cdbfff;font:800 .86rem ui-monospace,monospace}.ml-file small{grid-column:1/-1;margin-top:7px;color:var(--muted);text-align:center}.ml-card{margin:18px 0;padding:clamp(18px,3.5vw,34px);border:1px solid var(--line);border-radius:23px;background:#fffffff2;box-shadow:0 14px 45px #17223610}.ml-card-title{margin:0;font-size:clamp(1.45rem,3vw,2.15rem);letter-spacing:-.04em}.ml-card-lead{max-width:850px;margin:7px 0 22px;color:var(--muted);line-height:1.55}.ml-learn{display:grid;grid-template-columns:230px minmax(0,1fr);gap:18px}.ml-lessons{display:grid;gap:7px}.ml-lesson-btn{display:grid;grid-template-columns:32px 1fr;gap:8px;align-items:center;width:100%;padding:8px;border:0;border-radius:11px;background:transparent;color:var(--ink);cursor:pointer;text-align:left}.ml-lesson-btn:hover{background:#f0edff}.ml-lesson-btn.active{background:#ebe6ff;color:var(--purple2)}.ml-lesson-btn span:first-child{display:grid;width:32px;height:32px;place-items:center;border:1px solid #d7cdef;border-radius:9px;background:#fff;font-weight:850}.ml-lesson-btn strong{font-size:.78rem}.ml-lesson{min-height:255px;padding:21px;border:1px solid #ded6f3;border-radius:16px;background:linear-gradient(135deg,#fbfaff,#f3f0ff)}.ml-lesson-step{color:var(--purple);font-size:.7rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.ml-lesson h3{margin:7px 0;font-size:1.45rem}.ml-lesson p{max-width:760px;margin:7px 0;color:#4f5e75;line-height:1.6}.ml-example{margin:16px 0;padding:14px;border-radius:12px;background:#211a3b;color:#ded6ff;font:700 .9rem/1.7 ui-monospace,monospace}.ml-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px}.ml-btn{min-height:41px;padding:9px 14px;border:1px solid var(--purple);border-radius:10px;background:var(--purple);color:#fff;cursor:pointer;font-weight:800}.ml-btn:hover{background:var(--purple2)}.ml-btn.alt{background:#fff;color:var(--purple)}.ml-btn.soft{border-color:#d4ddea;background:#eef2f7;color:#34445d}.ml-btn.danger{border-color:#ebc1c7;background:#fff0f2;color:#a12639}.ml-btn:disabled{cursor:not-allowed;opacity:.45}.ml-toolbar{display:grid;grid-template-columns:repeat(6,minmax(110px,1fr));gap:9px;align-items:end}.ml-field{display:grid;gap:5px}.ml-field label{color:#526078;font-size:.7rem;font-weight:800}.ml-field input,.ml-field select{width:100%;height:39px;padding:6px 9px;border:1px solid #bcc9da;border-radius:8px;background:#fff;color:var(--ink)}.ml-toolbar-actions{grid-column:span 2;display:flex;gap:6px;flex-wrap:wrap}.ml-help{margin:13px 0 0;color:var(--muted);font-size:.76rem;line-height:1.5}.ml-roll-shell{position:relative;overflow:auto;margin-top:16px;border:1px solid #bbc8db;border-radius:14px;background:#111b2d;box-shadow:inset 0 0 32px #0003}.ml-roll{display:grid;width:max-content;min-width:100%;grid-template-columns:58px repeat(var(--steps),var(--cell));user-select:none;touch-action:none}.ml-corner,.ml-ruler,.ml-label,.ml-cell{border-right:1px solid #273650;border-bottom:1px solid #273650}.ml-corner,.ml-ruler{position:sticky;top:0;z-index:6;height:32px;background:#17243a}.ml-corner{left:0;z-index:8}.ml-ruler{display:grid;place-items:center;color:#8fa0b9;font:700 .62rem ui-monospace,monospace}.ml-ruler.beat{border-left:2px solid #52647e;color:#d0d9e8}.ml-ruler.bar{border-left:3px solid #8a77cf;color:#fff}.ml-label{position:sticky;left:0;z-index:5;display:flex;height:38px;align-items:center;justify-content:center;background:#17243a;color:#cbd6e7;font:750 .68rem ui-monospace,monospace}.ml-label.black{background:#0c1321;color:#9facc1}.ml-cell{position:relative;height:38px;background:#142036;cursor:crosshair}.ml-cell:nth-child(odd){background:#152239}.ml-cell.beat{border-left:2px solid #52647e}.ml-cell.bar{border-left:3px solid #8a77cf}.ml-cell.note{z-index:2;border-bottom-color:#7055c6;background:linear-gradient(#9b83ee,#795ed2);cursor:grab}.ml-cell.note.selected{background:linear-gradient(#54cee0,#20aabf);box-shadow:inset 0 0 0 2px #bff8ff}.ml-cell.note.start{border-radius:7px 0 0 7px}.ml-cell.note.end{border-radius:0 7px 7px 0}.ml-cell.note.single{border-radius:7px}.ml-cell.preview{background:#f0ad3266}.ml-cell.drop{box-shadow:inset 0 0 0 3px var(--gold)}.ml-note-text{position:absolute;left:5px;top:50%;z-index:3;transform:translateY(-50%);color:#fff;font-size:.62rem;font-weight:850;white-space:nowrap;pointer-events:none}.ml-resize{position:absolute;right:0;top:4px;bottom:4px;width:7px;border-radius:4px;background:#fff9;cursor:ew-resize}.ml-cursor{position:absolute;top:32px;bottom:0;z-index:10;width:3px;background:#ffd15c;box-shadow:0 0 8px #ffd15c;pointer-events:none}.ml-status{min-height:22px;margin:9px 0 0;color:var(--muted);font-size:.8rem;font-weight:750}.ml-status.good{color:var(--green)}.ml-status.bad{color:var(--red)}.ml-editor{display:grid;grid-template-columns:1.1fr repeat(3,1fr) auto;gap:9px;align-items:end;margin-top:14px;padding:14px;border:1px solid var(--line);border-radius:13px;background:#f8fafd}.ml-editor-empty{grid-column:1/-1;color:var(--muted);font-size:.8rem}.ml-data-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:15px}.ml-tabs{display:flex;gap:5px;margin-bottom:9px}.ml-tab{padding:8px 11px;border:0;border-radius:8px;background:#edf1f7;color:#41516a;cursor:pointer;font-size:.75rem;font-weight:800}.ml-tab.active{background:#e9e4ff;color:var(--purple2)}.ml-output{min-height:330px;max-height:520px;overflow:auto;border:1px solid #2c3b56;border-radius:13px;background:#111a2b;color:#cfdbec}.ml-event{display:grid;grid-template-columns:75px 70px minmax(130px,1fr) 65px;gap:8px;padding:9px 11px;border-bottom:1px solid #27354c;cursor:pointer;font:700 .72rem/1.35 ui-monospace,monospace}.ml-event:hover,.ml-event.selected{background:#2b2351}.ml-event span:first-child,.ml-event span:nth-child(2){color:#99a9c0}.ml-event b{color:#cebfff}.ml-byte-group{padding:10px 11px;border-bottom:1px solid #27354c}.ml-byte-group.selected{background:#2b2351}.ml-byte-title{display:block;margin-bottom:7px;color:#8799b3;font-size:.68rem;font-weight:800}.ml-bytes{display:flex;flex-wrap:wrap;gap:5px}.ml-byte{padding:4px 6px;border:1px solid #394b68;border-radius:6px;background:#17243a;color:#d8e7fa;cursor:pointer;font:750 .72rem ui-monospace,monospace}.ml-byte:hover,.ml-byte.role-status{border-color:#9d86f3;color:#e2d9ff}.ml-byte.role-pitch{border-color:#36bcd1;color:#9becf7}.ml-byte.role-velocity{border-color:#d9a13e;color:#ffd983}.ml-byte.role-delta{border-color:#6080b2;color:#a9c9f5}.ml-explain{padding:17px;border:1px solid var(--line);border-radius:14px;background:#f8fafd}.ml-explain h3{margin:0 0 8px;font-size:1rem}.ml-explain p{margin:6px 0;color:#536178;font-size:.82rem;line-height:1.55}.ml-explain-code{padding:10px;border-radius:9px;background:#211a3b;color:#ddd3ff;font:750 .8rem/1.5 ui-monospace,monospace;overflow-wrap:anywhere}.ml-legend{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:14px}.ml-legend span{font-size:.69rem;color:#536178}.ml-legend i{display:inline-block;width:9px;height:9px;margin-right:5px;border-radius:3px}.ml-timeline{position:relative;height:105px;margin-top:15px;padding:30px 14px 0;border:1px solid var(--line);border-radius:13px;background:#f8fafd}.ml-timeline-line{position:absolute;left:18px;right:18px;top:58px;height:2px;background:#b9c7da}.ml-time-event{position:absolute;top:45px;transform:translateX(-50%);width:12px;height:27px;border:0;border-radius:6px;background:var(--purple);cursor:pointer}.ml-time-event.off{height:17px;top:50px;background:#8f9db0}.ml-time-event.selected{background:var(--cyan);box-shadow:0 0 0 4px #33bed533}.ml-time-label{position:absolute;top:12px;transform:translateX(-50%);color:#59677c;font:700 .62rem ui-monospace,monospace;white-space:nowrap}.ml-challenge{background:radial-gradient(circle at 100% 0,#e9e2ff,transparent 28rem),#fff}.ml-challenge-box{max-width:850px;margin:auto}.ml-challenge-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:13px}.ml-progress{display:flex;gap:5px}.ml-progress i{width:36px;height:7px;border-radius:99px;background:#dae2ed}.ml-progress i.current{background:var(--purple)}.ml-progress i.done{background:var(--green)}.ml-timer{padding:8px 11px;border-radius:9px;background:#211a3b;color:#fff;font:800 .85rem ui-monospace,monospace}.ml-question{padding:clamp(18px,4vw,28px);border:1px solid var(--line);border-radius:17px;background:#fff}.ml-question h3{margin:0 0 15px;font-size:1.35rem}.ml-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}.ml-option{padding:12px;border:1px solid #bdc9db;border-radius:10px;background:#fafbfd;color:var(--ink);cursor:pointer;text-align:left;font-weight:750}.ml-option:hover{border-color:var(--purple);background:#f2efff}.ml-option.correct{border-color:#81cbaa;background:#eaf9f2;color:#106242}.ml-option.wrong{border-color:#e0a1ab;background:#fff0f2;color:#98293a}.ml-feedback{min-height:23px;margin:10px 0 0;font-size:.8rem;font-weight:800}.ml-feedback.good{color:var(--green)}.ml-feedback.bad{color:var(--red)}.ml-result{text-align:center;padding:25px}.ml-result-mark{font-size:3.5rem;color:var(--purple)}.ml-result h3{margin:5px 0;font-size:2rem}.ml-result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}.ml-result-grid div{padding:12px;border-radius:11px;background:#eef2f7}.ml-result-grid strong,.ml-result-grid span{display:block}.ml-result-grid span{color:var(--muted);font-size:.7rem}.ml-compare{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center}.ml-compare div{padding:15px;border-radius:13px;background:#eef3f9}.ml-compare strong,.ml-compare span{display:block}.ml-compare span{margin-top:4px;color:var(--muted);font-size:.78rem}.ml-vs{color:#8793a6;font-size:.7rem;font-weight:850}.ml-footer{text-align:center;color:var(--muted);font-size:.75rem;padding-top:16px}
@media(max-width:980px){.ml-hero{grid-template-columns:1fr}.ml-file{display:none}.ml-toolbar{grid-template-columns:repeat(3,1fr)}.ml-toolbar-actions{grid-column:span 3}.ml-data-layout{grid-template-columns:1fr}.ml-editor{grid-template-columns:repeat(2,1fr)}.ml-editor .ml-btn{align-self:end}}
@media(max-width:700px){.ml{width:min(100% - 16px,1240px)}.ml-learn{grid-template-columns:1fr}.ml-lessons{display:flex;overflow-x:auto}.ml-lesson-btn{flex:0 0 170px}.ml-toolbar{grid-template-columns:1fr 1fr}.ml-toolbar-actions{grid-column:1/-1}.ml-options{grid-template-columns:1fr}.ml-compare{grid-template-columns:1fr}.ml-vs{text-align:center}.ml-card{border-radius:17px}.ml-event{grid-template-columns:62px 58px 1fr}.ml-event span:last-child{display:none}}
@media(max-width:460px){.ml-editor,.ml-toolbar{grid-template-columns:1fr}.ml-toolbar-actions{grid-column:auto}.ml-result-grid{grid-template-columns:1fr}.ml-top{align-items:flex-start;flex-direction:column}}