:root{--ink:#172b40;--navy:#10243a;--blue:#315fdd;--bg:#f3f6fb;--line:#e3eaf2;--muted:#748398}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,"Segoe UI",sans-serif}button,input,select{font:inherit}button{cursor:pointer}.prototype{background:#fff0c9;color:#70520a;text-align:center;font-size:11px;font-weight:850;letter-spacing:.45px;padding:7px}.topnav{height:66px;background:var(--navy);display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100% - 1120px)/2));color:white}.logo{font-weight:850;font-size:18px;color:inherit;text-decoration:none}.logo i{color:#a9f0c9;font-style:normal}.navlinks{display:flex;align-items:center;gap:20px;font-size:13px}.navlinks a{color:#dce6f1;text-decoration:none}.navlinks span{color:#b8c7d7}.container{max-width:1120px;margin:28px auto;padding:0 20px}.hero{background:linear-gradient(115deg,#152b43,#28518a);color:white;border-radius:19px;padding:30px 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button.selected{background:var(--navy);color:white}.course-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.course-card{background:white;border:1px solid var(--line);border-radius:14px;padding:17px}.course-top{display:flex;justify-content:space-between}.tag{font-size:11px;font-weight:850;text-transform:uppercase}.Easy{color:#188355}.Medium{color:#ad7417}.Hard{color:#b64450}.duration{font-size:12px;color:var(--muted)}.course-card h3{margin:8px 0 2px}.course-card p{min-height:38px;margin:0 0 13px;font-size:13px;color:var(--muted)}.btn{border:0;border-radius:9px;padding:9px 13px;font-weight:750}.primary{background:var(--blue);color:white}.secondary{background:#edf1f7;color:var(--ink)}.danger{background:#fff0f0;color:#ac303a}.small{font-size:12px;padding:7px 10px}.machine-panel{margin-top:15px;display:flex;align-items:center;justify-content:space-between;gap:15px}.green{color:#188355}.safety{background:#eaf3ff;color:#31577c;padding:13px;border-radius:10px;margin-top:15px;font-size:13px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}.full{grid-column:1/-1}.form-grid{margin-top:14px}.form-grid label,.login-card label{display:block;font-size:13px;font-weight:700;margin:10px 0}.form-grid input,.form-grid select,.login-card input{display:block;width:100%;padding:10px;border:1px solid var(--line);border-radius:9px;margin-top:5px;background:white;color:var(--ink)}.list-row{display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding:11px 0}.list-row:last-child{border:0}.list-row small{display:block;color:var(--muted)}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(130deg,#10243a,#315fdd);padding:25px}.login-wrap{width:min(940px,100%);display:grid;grid-template-columns:1.1fr .9fr;background:white;border-radius:23px;overflow:hidden;box-shadow:0 28px 90px #07172977}.welcome{padding:50px;background:#f4f7fb;display:flex;flex-direction:column;justify-content:center}.welcome h1{font-size:39px;line-height:1.1;margin:12px 0}.welcome p{color:var(--muted)}.welcome .logo{color:var(--navy);margin-bottom:45px}.welcome .logo i{color:#4ab67a}.eyebrow{margin-top:8px}.safety{border-radius:10px}.welcome .safety{margin-top:25px}.login-card{padding:45px}.login-card h2{margin:0;font-size:24px}.login-card .sub{margin:3px 0 22px}.login-card .primary{width:100%;margin-top:8px;padding:12px}.login-card hr{border:0;border-top:1px solid var(--line);margin:22px 0}.demo{display:flex;gap:8px}.demo button{flex:1}.login-card small{display:block;color:var(--muted);font-size:11px;margin-top:17px}.error{color:#b92e38;font-size:12px}.prototype{position:sticky;top:0;z-index:2}@media(max-width:720px){.login-wrap{grid-template-columns:1fr;max-width:500px}.welcome{padding:26px}.welcome .logo{margin-bottom:20px}.welcome h1{font-size:30px}.welcome .safety{margin-top:12px}.login-card{padding:26px}.container{margin:18px auto}.hero{padding:24px}.hero h1{font-size:25px}.admin-grid,.course-grid{grid-template-columns:1fr}.full{grid-column:auto}.navlinks{gap:8px}.navlinks span,.navlinks a:first-child{display:none}.topnav{padding:0 15px}.stats{gap:7px}.stats article{padding:11px}.stats b{font-size:19px}.section-title{align-items:flex-start;flex-direction:column}.filters{flex-wrap:wrap}.machine-panel{align-items:flex-start;flex-direction:column}}
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.hide{display:none!important}

.notice-dialog{border:0;border-radius:20px;padding:30px;width:min(460px,calc(100% - 32px));color:var(--ink);box-shadow:0 24px 90px #07172955}
.notice-dialog::backdrop{background:#10243abf;backdrop-filter:blur(3px)}
.notice-dialog h2{font-size:23px;margin:8px 0}
.notice-dialog p{color:var(--muted);margin:0 0 24px;line-height:1.65}
.notice-icon{display:grid;place-items:center;background:#eaf0ff;color:var(--blue);font-weight:800;border-radius:14px;width:45px;height:45px;font-size:23px;margin-bottom:16px}
.notice-actions{display:flex;justify-content:flex-end;gap:10px}
[aria-invalid="true"]{border-color:#b64450!important;box-shadow:0 0 0 2px #b6445014}
