:root{--navy:#12323f;--teal:#087f83;--mint:#eaf5f2;--ink:#17313b;--muted:#58707a;--line:#dbe6e7;--paper:#fff;--bg:#f4f7f8;--gold:#f1bd62;--red:#ad3541}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit}button,a,input,textarea,select{outline-offset:4px}button{cursor:pointer}a{color:var(--teal);text-underline-offset:3px}button{border:1px solid var(--line);background:white;color:var(--ink);border-radius:9px;padding:10px 17px;font-weight:650}button:hover{border-color:var(--teal);background:var(--mint)}button:disabled{opacity:.5;cursor:not-allowed}.primary{background:var(--teal);border-color:var(--teal);color:white}.primary:hover{background:#06676b;color:white}.quiet{padding:6px 10px;background:transparent}.danger{color:var(--red)}.logo{width:140px;height:auto;display:block}.brand{display:flex;gap:18px;align-items:center}.brand .divider{width:1px;height:31px;background:var(--line)}.brand span{font-size:13px;font-weight:600;color:var(--muted)}header{height:85px;padding:0 36px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}.header-right{display:flex;gap:18px;align-items:center}.avatar{background:var(--mint);border-radius:50%;width:37px;height:37px;text-align:center;line-height:37px;font-weight:700}.layout{display:grid;grid-template-columns:235px 1fr;min-height:calc(100vh - 85px)}aside{background:white;border-right:1px solid var(--line);padding:30px 18px;position:sticky;top:85px;height:calc(100vh - 85px);overflow:auto}.nav-item{width:100%;display:flex;align-items:center;gap:12px;text-align:left;border:0;margin:3px 0;font-weight:500;padding:12px 15px}.nav-item.active{background:var(--mint);color:var(--teal);font-weight:700}.nav-number{font-size:11px;color:var(--muted)}.side-label{text-transform:uppercase;letter-spacing:.12em;font-size:10px;font-weight:750;color:var(--muted);padding:20px 15px 5px}.side-note{margin:30px 15px;font-size:12px;color:var(--muted)}main{max-width:1220px;width:100%;padding:42px 48px 64px;margin:auto}.eyebrow{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:750;color:var(--teal);margin:0 0 12px}h1,h2,h3{line-height:1.22;letter-spacing:-.025em}h1{font-size:38px;margin:0 0 16px;max-width:800px;font-weight:650}h2{font-size:25px;margin:0 0 15px;font-weight:650}h3{font-size:19px;margin:0 0 12px;font-weight:650}p{margin:0 0 15px}.lead{font-size:17px;color:var(--muted);max-width:670px}.muted{color:var(--muted)}.small{font-size:12px}.hero{background:var(--navy);color:white;border-radius:18px;overflow:hidden;display:grid;grid-template-columns:1.55fr 1fr;margin:28px 0 24px}.hero-copy{padding:35px}.hero .eyebrow{color:#91d6c8}.hero p{color:#d4e4e7}.hero h2{font-size:31px;max-width:520px}.hero-art{background:linear-gradient(140deg,#245360,#10333e);position:relative;min-height:220px;display:grid;place-items:center}.sonar{width:170px;height:170px;border:1px solid #75c3bc55;border-radius:50%;display:grid;place-items:center;position:relative}.sonar:before,.sonar:after{content:'';position:absolute;border:1px solid #75c3bc66;border-radius:50%;width:125px;height:125px}.sonar:after{width:80px;height:80px}.sonar svg{width:95px;z-index:1}.hero .primary{background:#b5e4d7;color:var(--navy);border-color:#b5e4d7}.hero .small{margin-top:17px;color:#bbd0d5}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:38px}.stat{background:white;border:1px solid var(--line);border-radius:12px;padding:17px 21px}.stat strong{display:block;font-size:26px;line-height:1.25}.stat span{font-size:12px;color:var(--muted)}.section-row{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:30px 0 19px}.section-row h2{margin:0}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden}.card-top{padding:22px 25px 19px;background:var(--mint);min-height:115px;display:flex;justify-content:space-between;gap:15px}.card:nth-child(2) .card-top{background:#edf2fa}.card:nth-child(3) .card-top{background:#fbf2e5}.card:nth-child(4) .card-top{background:#f0edfa}.module-icon{font-size:25px;opacity:.8}.module-label{text-transform:uppercase;font-size:10px;letter-spacing:.12em;color:var(--muted);margin-bottom:8px;font-weight:700}.card-body{padding:21px 25px}.card h3{margin:0}.card p{font-size:13px;color:var(--muted);min-height:40px}.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:17px}.progress{height:5px;background:#e7eeef;border-radius:8px;overflow:hidden;margin:12px 0}.progress span{display:block;height:100%;background:var(--teal)}.pill{display:inline-block;border:1px solid var(--line);border-radius:30px;padding:3px 10px;font-size:11px;font-weight:650;white-space:nowrap;background:white}.pill.pass{background:var(--mint);color:var(--teal);border-color:#cce7df}.pill.warn{background:#fff5e4;color:#825b1e;border-color:#efdcb9}.notice{border-left:3px solid var(--teal);background:#eaf3f3;padding:17px 20px;border-radius:0 9px 9px 0;font-size:13px;margin:22px 0}.notice.warn{border-color:#b78329;background:#fff5e4}.notice.error{border-color:var(--red);background:#fff0f1}.notice p:last-child{margin-bottom:0}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.back{padding:0;border:0;background:transparent;margin-bottom:24px;color:var(--teal)}.lesson-list{display:grid;gap:12px;margin-top:25px}.lesson-row{display:flex;gap:17px;background:white;border:1px solid var(--line);border-radius:12px;align-items:center;padding:20px}.lesson-code{width:46px;height:46px;flex-shrink:0;background:var(--mint);border-radius:10px;display:grid;place-items:center;font-size:12px;font-weight:700}.lesson-detail{flex:1}.lesson-detail h3{font-size:17px;margin:0 0 6px}.lesson-detail p{margin:0;font-size:12px;color:var(--muted)}.lesson-row.locked{background:#f7f9fa;color:#657982}.lesson-grid{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:28px}.lesson-main{min-width:0}.lesson-aside{position:static;height:auto;border:1px solid var(--line);border-radius:12px;padding:20px;background:white;align-self:start}.lesson-aside h3{font-size:15px}.lesson-aside a{display:block;font-size:13px;margin:12px 0}video{display:block;width:100%;background:#10232c;border-radius:13px;margin:22px 0;max-height:550px}.content-block{background:white;border:1px solid var(--line);border-radius:12px;padding:25px;margin:16px 0}.content-block h3{font-size:18px}.content-block p:last-child{margin:0}.content-block ul,.content-block ol{padding-left:22px}.content-block li{margin:9px 0}.resource{display:block;padding:17px 20px;border:1px solid var(--line);background:white;border-radius:10px;margin:10px 0;text-decoration:none}.resource strong{display:block}.resource span{display:block;font-size:12px;color:var(--muted)}.question{background:white;border:1px solid var(--line);border-radius:12px;padding:25px;margin:20px 0}.question legend{font-weight:650;padding:0 5px;font-size:17px}.option{display:flex;gap:13px;align-items:flex-start;padding:14px 15px;border:1px solid var(--line);border-radius:8px;margin:10px 0;font-size:14px;cursor:pointer}.option:has(input:checked){background:var(--mint);border-color:var(--teal)}.option input{margin-top:5px;accent-color:var(--teal)}label.field{display:block;font-weight:600;font-size:13px;margin:15px 0 5px}input:not([type=radio]):not([type=checkbox]),select,textarea{display:block;width:100%;padding:11px 12px;border:1px solid #bdcdd1;border-radius:8px;background:white;color:var(--ink)}textarea{min-height:110px;resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.full{grid-column:1/-1}.auth-page{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:white}.auth-intro{background:var(--navy);padding:56px 11%;color:white;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.auth-intro .logo{background:none;width:155px;filter:brightness(0) invert(1)}.auth-intro h1{font-size:47px;max-width:470px}.auth-intro .lead{color:#bbd0d5}.auth-intro 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0}.record-table{width:100%;border-collapse:collapse;background:white;font-size:12px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px}th,td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#eef3f4;font-weight:650}.certificate{background:white;border:1px solid var(--line);border-top:7px solid var(--teal);padding:48px;text-align:center;border-radius:10px}.certificate .logo{margin:0 auto 35px}.certificate h1{margin:20px auto;font-size:31px}.certificate .learner-name{font-size:30px;font-weight:650;margin:25px 0 10px}.certificate .seal{margin:25px auto;border:1px solid #d4e5e2;border-radius:50%;width:75px;height:75px;display:grid;place-items:center;background:var(--mint);font-size:30px;color:var(--teal)}footer{margin-top:45px;font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px}#toast{position:fixed;bottom:24px;right:24px;padding:14px 22px;background:var(--navy);color:white;border-radius:9px;max-width:400px;z-index:100;box-shadow:0 8px 30px #0002;display:none}#toast.show{display:block}.inline-error{color:var(--red);font-size:13px;margin:15px 0}.check-line{display:flex;gap:11px;align-items:flex-start;font-size:13px;margin:20px 0}.check-line input{margin-top:5px}.tabs{display:flex;gap:8px;margin:25px 0;flex-wrap:wrap}.selected{background:var(--mint);border-color:var(--teal);color:var(--teal)}.mono{font-family:ui-monospace,monospace;font-size:11px;word-break:break-all}.admin-user{display:flex;gap:12px;justify-content:space-between;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.source-note{font-size:11px;color:var(--muted)}@media(max-width:1000px){main{padding:32px 28px}.layout{grid-template-columns:200px 1fr}.hero{grid-template-columns:1fr}.hero-art{display:none}.lesson-grid{grid-template-columns:1fr}.lesson-aside{position:static}.auth-intro{padding:45px 9%}.auth-intro h1{font-size:36px}.auth-content{padding:45px 9%}}@media(max-width:720px){header{padding:0 20px;height:72px}.logo{width:112px}.brand span{font-size:11px}.header-right .name{display:none}.layout{display:block}aside{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;padding:10px 12px;gap:3px}.nav-item{width:auto;padding:9px 10px;font-size:12px}.side-label,.side-note{display:none}.nav-number{display:none}main{padding:28px 20px}h1{font-size:30px}.cards{grid-template-columns:1fr}.stats{gap:8px}.stat{padding:13px}.stat strong{font-size:22px}.stat span{font-size:10px}.hero-copy{padding:25px}.hero h2{font-size:27px}.lesson-row{padding:15px;gap:11px;flex-wrap:wrap}.lesson-detail{min-width:160px}.auth-page{grid-template-columns:1fr}.auth-intro{padding:28px 25px}.auth-intro .logo{width:125px;margin-bottom:35px}.auth-intro h1{font-size:31px}.auth-categories,.auth-bottom{display:none!important}.auth-intro .lead{font-size:14px}.auth-content{padding:35px 25px}.form-grid{grid-template-columns:1fr}.certificate{padding:28px 20px}.certificate h1{font-size:25px}.section-row{align-items:flex-start}.toolbar{gap:8px}}@media print{header,aside,footer,.toolbar,.back,#toast,.no-print{display:none!important}.layout{display:block}main{max-width:none;padding:0;background:white}.certificate{border:1px solid #bbb;page-break-inside:avoid}.content-block,.discussion{page-break-inside:avoid}body{background:white;font-size:12px}.table-wrap{overflow:visible}h1{font-size:25px}}