.nm{--nm-green:#079b71;--nm-ink:#243333;--nm-muted:#74817e;--nm-line:#e6ece9;color:var(--nm-ink);font-family:Nunito,'Segoe UI',sans-serif;max-width:1600px;margin:auto}
.nm *{box-sizing:border-box}.nm [hidden]{display:none!important}.nm button,.nm input,.nm select{font:inherit}.nm button{cursor:pointer}.nm button:disabled,.nm select:disabled{cursor:not-allowed;opacity:.5}.nm button:focus-visible,.nm input:focus-visible,.nm select:focus-visible{outline:3px solid #1ac896;outline-offset:4px}.nm h1,.nm h2,.nm p{margin:0}.nm button{transition:background .18s,transform .18s}.nm button:hover:not(:disabled){transform:translateY(-1px)}
.nm-header{display:flex;gap:20px;align-items:center;background:#fff;border:1px solid #eef1ef;border-radius:24px;padding:26px 28px;margin-bottom:22px;box-shadow:0 6px 18px #1a353508}.nm-icon{flex:0 0 85px;height:85px;overflow:hidden;border-radius:24px;background:radial-gradient(ellipse at 25% 15%,#65e28e,#087546);box-shadow:inset 0 0 0 1px #ffffff50,0 5px 12px #0f7a4b20}.nm-icon svg{width:137px;max-width:none;height:99px;margin-left:-22px;margin-top:-10px}.nm-icon .nm-zzz{display:none}.nm-intro{flex:1}.nm-eyebrow{font-size:10px;font-weight:900;letter-spacing:1.2px;color:#89948f}.nm-intro h1{font-size:29px;line-height:1.25;font-weight:900;letter-spacing:-.8px;margin:3px 0 6px}.nm-intro p{font-size:13px;line-height:1.75;color:#7a8580}.nm-badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.nm-badges span{background:#ecf9f2;color:#396e55;border-radius:20px;padding:2px 8px;font-size:10px;font-weight:800}.nm-badges span:first-child{background:#fff9df;color:#8a713b}.nm-badges span:last-child{background:#f4f5f4;color:#65716b}.nm-header-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}.nm-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border:1px solid #e0e8e4;border-radius:12px;color:#53665d;background:#fff;font-size:13px;font-weight:900}.nm-button.nm-green{background:#06ad7c;border:1px solid #069f73;border-bottom:4px solid #07875e;color:#fff;box-shadow:inset 0 2px 0 #ffffff30}.nm-button.nm-green:hover:not(:disabled){background:#049b6f}.nm-help{padding:8px 0;background:none;border:0;font-size:12px;font-weight:800;color:#67736c}.nm-back{display:none}
.nm-workspace{display:grid;grid-template-columns:minmax(0,1fr) 295px;gap:20px;align-items:stretch}.nm-world{position:relative;isolation:isolate;min-height:580px;overflow:hidden;border-radius:24px;background:linear-gradient(180deg,#0e1336 0%,#1d1b4b 62%,#312765 100%);color:#fff;border:1px solid #ffffff16;padding:20px 22px 22px;display:flex;align-items:center;flex-direction:column;box-shadow:0 10px 25px #20244412}.nm-sky{position:absolute;inset:0;z-index:-1;pointer-events:none;overflow:hidden}.nm-sky>i{position:absolute;width:var(--size);height:var(--size);background:#e4edff;border-radius:50%;opacity:.5;animation:nm-twinkle 5s var(--delay) ease-in-out infinite}.nm-moon{position:absolute;width:52px;height:52px;right:20%;top:28%;background:radial-gradient(circle at 30% 30%,#fff7c6,#f7e994 70%,#e9cc75);border-radius:50%;box-shadow:0 0 45px #f8e7b329}.nm-moon:before,.nm-moon:after{content:'';position:absolute;background:#ead78666;border-radius:50%;width:12px;height:13px;top:9px;left:13px}.nm-moon:after{width:9px;height:9px;left:31px;top:29px}.nm-hill{position:absolute;width:145%;height:130px;bottom:-60px;left:-23%;border-radius:50% 50% 0 0;background:#17173780;transform:rotate(-4deg)}.nm-hill-back{bottom:-25px;left:20%;background:#58508b25;transform:rotate(4deg)}
.nm-scoreboard{display:flex;justify-content:space-between;align-self:stretch;gap:12px;z-index:1}.nm-stat{border:1px solid #ffffff12;border-radius:17px;background:#080f29ad;padding:13px 17px;box-shadow:inset 0 0 0 4px #ffffff02;min-width:164px}.nm-stat>span{display:block;font-size:10px;font-weight:900;color:#9da9c3;letter-spacing:.5px}.nm-stat>strong{display:block;font-size:39px;font-weight:900;line-height:1.15;letter-spacing:-1px}.nm-stat small{font-size:10px;color:#a1aec6}.nm-stat small b{font-weight:800}.nm-stat small em{font-style:normal;color:#7888a9}.nm-star-stat{min-width:146px;text-align:center;padding:9px 14px}.nm-star-stat>div:first-child{display:flex;align-items:center;justify-content:center;gap:10px}.nm-star-stat strong{font-size:36px;font-weight:900}.nm-star-icon{display:flex;align-items:center;justify-content:center;width:47px;height:47px;font-size:26px;background:#1c2943;color:#fadd68;border:4px solid #ffffff1c;border-radius:50%}.nm-star-track{--earned:0%;font-size:15px;letter-spacing:4px;background:linear-gradient(to right,#ffe58b var(--earned),#4b526c var(--earned));color:transparent;background-clip:text;-webkit-background-clip:text;margin-top:3px}.nm-session-tag{max-width:100%;align-self:center;color:#b5dce5;background:#1745659c;border:1px solid #7ed3ef25;padding:5px 12px;border-radius:30px;font-size:10px;font-weight:800;text-align:center;margin-top:17px}.nm-baseline{padding:8px 16px;border:1px solid #ffffff10;border-radius:30px;background:#070d2699;box-shadow:0 3px 10px #070c2520;font-size:11px;font-weight:800;color:#ccd5e4;text-align:center;margin-top:14px;max-width:100%}.nm-character{width:350px;max-width:85%;margin-top:9px;margin-bottom:-9px;z-index:1}.nm-character svg{width:100%;height:auto;overflow:visible}.nm-dragon-body{transform-origin:250px 261px;animation:nm-breathe 4s ease-in-out infinite}.nm-zzz{animation:nm-sleep 4s ease-in-out infinite}.nm-eye-awake,.nm-roar{display:none}.nm-caption{position:relative;z-index:1;border-radius:15px;padding:10px 19px;background:#21844d;border:1px solid #72cc6740;box-shadow:inset 0 -3px 0 #0d603c80,0 3px 16px #0c153b33;color:#f1ffe8;font-size:clamp(15px,1.6vw,23px);font-weight:900;text-align:center;line-height:1.3;min-height:46px}
.nm-live-meter{z-index:1;width:100%;max-width:400px;margin:23px auto 0;padding:13px 17px;border-radius:16px;border:1px solid #ffffff0b;background:#070d264d}.nm-meter-label{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#a9b8ce;margin-bottom:8px}.nm-meter-label strong{font-size:19px;color:#edf5ff;line-height:1}.nm-meter-label small{font-size:10px;color:#8d9cb9}.nm-meter{position:relative;height:9px;border-radius:8px;background:#ffffff10}.nm-meter>div{height:100%;width:20%;border-radius:8px;background:#69ddb0;transition:width .12s linear,background .3s}.nm-meter>i{position:absolute;top:-4px;left:50%;height:17px;width:2px;background:#fff;border-radius:2px}.nm-meter>i:before{content:'';position:absolute;top:-3px;left:-3px;border-top:5px solid white;border-left:4px solid transparent;border-right:4px solid transparent}.nm-meter-scale{display:flex;justify-content:space-between;font-size:9px;color:#8291b0;margin-top:7px}
.nm-controls{border-radius:23px;padding:23px;background:#fff;border:1px solid #e8eee9;box-shadow:0 6px 18px #1a353505;display:flex;flex-direction:column;gap:19px;min-width:0}.nm-control-top h2{font-size:19px;font-weight:900;letter-spacing:-.4px;margin:3px 0 13px}.nm-control-top .nm-eyebrow{font-size:8px;letter-spacing:1px;color:#8a9c91}.nm-class-label{display:flex;gap:12px;align-items:center;font-size:11px;font-weight:800;color:#667a70}.nm select{border:1px solid #dfe8e1;padding:7px 10px;border-radius:9px;font-size:12px;color:#425d4c;background:#fbfdfb;min-width:0;max-width:100%;font-weight:800}.nm-class-label select{flex:1}.nm-mode{display:grid;grid-template-columns:1fr 1fr;padding:4px;background:#f0f5f1;border-radius:11px;gap:3px}.nm-mode button{border:0;padding:9px 4px;border-radius:8px;background:none;color:#7a8a80;font-size:10px;font-weight:900;white-space:nowrap}.nm-mode button[aria-pressed=true]{background:#fff;box-shadow:0 2px 5px #193e2510;color:#117952}.nm-setting label,.nm-manual label{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:900;margin-bottom:11px;color:#4e6559}.nm-setting output{background:#eaf6ed;border-radius:7px;min-width:33px;padding:3px 6px;color:#258253;text-align:center;font-size:13px}.nm input[type=range]{accent-color:#16a36f;width:100%;height:5px;display:block;cursor:pointer;margin:12px 0}.nm-range-label{display:flex;justify-content:space-between;font-size:9px;color:#95a297;margin-top:7px}.nm-calibrate{font-weight:800;background:#f5faf6;color:#527260;border:1px dashed #d0e4d7;border-radius:9px;padding:8px;width:100%;font-size:11px;margin-top:12px}.nm-reward-setting{border-top:1px solid #edf1ee;padding-top:17px}.nm-reward-setting select{width:100%;padding:9px 10px}.nm-reward-setting small,.nm-manual small{display:block;font-size:10px;line-height:1.6;color:#8b9a90}.nm-reward-progress{height:5px;background:#f2f1e6;border-radius:4px;margin:12px 0 7px;overflow:hidden}.nm-reward-progress>div{height:100%;background:#e9c76c;width:0;transition:width .15s}.nm-actions{display:flex;gap:9px}.nm-actions>.nm-green{flex:1}.nm-actions>.nm-button:last-child{font-size:11px;padding:10px}.nm-message{background:#f4f9f5;border-radius:11px;padding:10px 12px;font-size:11px;line-height:1.7;color:#64816d;margin-top:-7px}.nm-message.nm-error{color:#9f4242;background:#fff0ed}.nm-privacy{font-size:9px;color:#94a197;line-height:1.7;text-align:center;margin-top:auto!important}.nm-manual{background:#f6f8ff;border:1px solid #e4e9fc;padding:12px;border-radius:12px}.nm-manual label{margin-bottom:5px}.nm-manual b{color:#6e74ae}.nm-footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:18px 4px;font-size:10px;color:#8b9991}.nm-footer>span:first-child{color:#729680}
.nm[data-state=warning] .nm-world{background:linear-gradient(180deg,#171633,#322448 65%,#524060)}.nm[data-state=warning] .nm-caption{background:#9c6f25;box-shadow:inset 0 -3px 0 #75531e;border-color:#f9d87740}.nm[data-state=warning] .nm-character .nm-dragon-body{animation:nm-stir 2s ease-in-out infinite}.nm[data-state=warning] .nm-character .nm-eye-sleep,.nm[data-state=noisy] .nm-character .nm-eye-sleep{display:none}.nm[data-state=warning] .nm-character .nm-eye-awake,.nm[data-state=noisy] .nm-character .nm-eye-awake{display:block}.nm[data-state=warning] .nm-character .nm-zzz,.nm[data-state=noisy] .nm-character .nm-zzz{display:none}.nm[data-state=warning] #nm-meter-fill{background:#f3c86c}.nm[data-state=noisy] .nm-world{background:linear-gradient(180deg,#251632,#512c47 70%,#673b56)}.nm[data-state=noisy] .nm-caption{background:#b14c56;box-shadow:inset 0 -3px 0 #873b49;border-color:#f3b2af40}.nm[data-state=noisy] .nm-character .nm-roar{display:block}.nm[data-state=noisy] .nm-character .nm-dragon-body{animation:nm-stir .7s ease-in-out infinite}.nm[data-state=noisy] #nm-meter-fill{background:#fc969e}
.nm-dialog{color:#3c5548;border:1px solid #dce9df;border-radius:22px;padding:26px;max-width:min(580px,calc(100vw - 32px));background:#fff;box-shadow:0 30px 100px #0c1d3066}.nm-dialog::backdrop{background:#0b163866;backdrop-filter:blur(5px)}.nm-dialog-heading{display:flex;align-items:center;gap:16px;justify-content:space-between}.nm-dialog h2{font-size:21px;font-weight:900}.nm-dialog ol{padding-left:22px;margin:20px 0;font-size:13px;line-height:1.8}.nm-dialog li{padding:5px 0}.nm-dialog p{font-size:12px;line-height:1.8;margin:14px 0;color:#6f7f73}.nm-dialog>.nm-button{width:100%;margin-top:12px}
.nm:fullscreen{background:#f6f8f6;max-width:none;width:100%;height:100%;padding:24px;overflow:auto;display:flex;flex-direction:column}.nm:fullscreen .nm-workspace{flex:1;min-height:0}.nm:fullscreen .nm-header{padding:16px 24px;margin-bottom:16px}.nm:fullscreen .nm-character{width:clamp(300px,32vw,550px);margin-top:auto}.nm:fullscreen .nm-world{min-height:550px}.nm:fullscreen .nm-live-meter{margin-bottom:10px}.nm:fullscreen .nm-footer{padding-bottom:0}
@keyframes nm-breathe{0%,100%{transform:scale(1,1)}50%{transform:scale(1.015,1.04)}}@keyframes nm-sleep{0%,100%{opacity:.45;transform:translateY(4px)}50%{opacity:1;transform:translateY(-6px)}}@keyframes nm-twinkle{0%,100%{opacity:.25}50%{opacity:.85}}@keyframes nm-stir{0%,100%{transform:rotate(0)}35%{transform:rotate(-2deg) translateY(-3px)}65%{transform:rotate(1deg)}}
@media(min-width:1650px){.nm-world{min-height:660px}.nm-character{width:420px;margin-top:30px}.nm-live-meter{margin-top:26px}.nm-controls{padding:28px;gap:24px}}
@media(max-width:1200px){.nm-header{padding:20px;gap:14px}.nm-header-actions{flex-direction:column;gap:8px}.nm-icon{flex-basis:70px;height:70px;border-radius:19px}.nm-icon svg{margin-left:-30px;margin-top:-17px}.nm-workspace{grid-template-columns:minmax(0,1fr) 270px;gap:14px}.nm-world{padding:16px 14px;min-height:560px}.nm-controls{padding:18px;gap:17px}.nm-stat{min-width:0;padding:10px 12px}.nm-stat>span{font-size:8px}.nm-star-stat{min-width:125px}.nm-session-tag{font-size:9px}.nm-character{width:330px;max-width:100%;margin-top:26px}.nm-baseline{font-size:10px}.nm-intro p{font-size:11px}.nm-header .nm-button{padding:11px 12px;font-size:12px}.nm-moon{width:42px;height:42px;top:31%;right:10%}}
@media(max-width:1000px){.nm-workspace{grid-template-columns:minmax(0,1fr)}.nm-world{min-height:550px}.nm-character{margin-top:15px;width:350px}.nm-controls{display:grid;grid-template-columns:1fr 1fr;gap:18px 24px}.nm-control-top{grid-column:1}.nm-mode{align-self:center}.nm-manual{grid-column:1/-1}.nm-setting{padding-top:0;border-top:0}.nm-privacy{grid-column:1/-1}.nm-world .nm-session-tag{position:absolute;top:30px;left:50%;transform:translateX(-50%);max-width:calc(100% - 330px);margin:0}.nm-baseline{margin-top:5px}.nm-intro p br{display:none}}
@media(max-width:800px){.flex.h-screen:has(#noise-monitor)>aside{display:none}.flex.h-screen:has(#noise-monitor)>#teacher-content{padding:12px;min-width:0}.nm-back{display:inline-flex;margin-bottom:12px;padding:7px 12px;font-size:11px}.nm-header{padding:18px;flex-wrap:wrap;gap:12px;border-radius:20px}.nm-header-actions{flex-direction:row;flex-basis:100%;justify-content:space-between;border-top:1px solid #f0f2f0;padding-top:13px;margin-top:1px}.nm-header .nm-button{padding:9px 14px}.nm-intro{min-width:0}.nm-intro h1{font-size:26px}.nm-icon{flex-basis:64px;height:64px}.nm-intro p{font-size:11px;line-height:1.6}.nm-badges{gap:4px}.nm-badges span{font-size:8px;padding:3px 6px}.nm:fullscreen{padding:12px}.nm:fullscreen .nm-character{width:350px;margin-top:15px}.nm:fullscreen .nm-workspace{min-height:auto}.nm:fullscreen .nm-world{min-height:550px}.nm:fullscreen .nm-header{padding:16px}.nm:fullscreen .nm-back{display:none}}
@media(max-width:520px){.nm-controls{grid-template-columns:minmax(0,1fr);gap:18px;padding:20px}.nm-mode,.nm-control-top,.nm-manual,.nm-privacy{grid-column:1}.nm-control-top{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.nm-control-top h2{font-size:19px;margin-bottom:0}.nm-class-label{gap:6px}.nm-control-top .nm-eyebrow{font-size:7px}.nm-workspace{gap:14px}.nm-world{min-height:555px;padding:16px 13px;border-radius:20px}.nm-world .nm-session-tag{position:static;transform:none;max-width:100%;margin-top:17px;white-space:normal;font-size:9px}.nm-baseline{margin-top:13px;font-size:9px;padding:8px 10px}.nm-character{width:320px;max-width:100%;margin-top:29px}.nm-caption{font-size:16px;padding:11px 9px;width:100%}.nm-stat>strong{font-size:34px}.nm-stat>span{font-size:8px}.nm-stat small{font-size:9px}.nm-star-stat{min-width:130px}.nm-star-stat strong{font-size:32px}.nm-star-icon{width:40px;height:40px;font-size:23px}.nm-stat{border-radius:13px;padding:11px 10px}.nm-star-track{font-size:12px}.nm-live-meter{margin-top:22px}.nm-moon{width:36px;height:36px;top:40%;right:12%}.nm-moon:after{left:22px;top:19px}.nm-footer{font-size:9px;line-height:1.7;padding:13px 3px}.nm-setting{border-top:1px solid #edf1ee;padding-top:16px}.nm-actions{margin-top:0}.nm-button{padding:12px 17px}.nm-header{padding:16px 14px}.nm-icon{flex-basis:55px;height:55px;border-radius:15px}.nm-icon svg{margin-left:-34px;margin-top:-23px}.nm-intro h1{font-size:25px}.nm-intro .nm-eyebrow{font-size:7px;letter-spacing:.7px}.nm-intro p{font-size:10px}.nm-badges{margin-top:10px}.nm-badges span{font-size:7px}.nm-dialog{padding:20px}.nm-dialog h2{font-size:19px}.nm:fullscreen .nm-character{width:320px;margin-top:29px}}
@media(prefers-reduced-motion:reduce){.nm *{animation:none!important;transition:none!important}}