/* Fonts and base colours verified against sadhumaster.ru on 2026-11-13. */
:root{font-family:Arial, sans-serif;color:#333333;background:#f6f9fc;font-synthesis:none;line-height:1.6;--green:#0f4c81;--muted:#536475;--line:#d4dfe8;--accent:#0f4c81}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a{color:#0f4c81;text-underline-offset:3px}h1,h2,h3,p{margin-top:0}h1{font:400 clamp(28px,3.7vw,43px)/1.2 Arial, sans-serif;letter-spacing:-.03em}h2{font:400 26px/1.35 Arial, sans-serif}h3{font-size:16px;line-height:1.5}p{margin-bottom:16px}.muted{color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:600}.brand{font:400 28px Arial, sans-serif;letter-spacing:-1px}.brand small{display:block;font:10px Arial, sans-serif;letter-spacing:.21em;margin-top:9px;text-transform:uppercase}.auth{display:grid;grid-template-columns:1fr 1fr;min-height:100dvh}.auth-brand{background:var(--green);color:#ffffff;padding:7vw;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.auth-brand:after{display:none;content:'';width:600px;height:600px;border:1px solid #ffffff16;border-radius:50%;position:absolute;right:-320px;bottom:-210px;box-shadow:0 0 0 80px #ffffff05,0 0 0 160px #ffffff04}.auth-brand h1{font-size:clamp(38px,4vw,64px);max-width:470px;margin:90px 0 26px}.auth-brand p{max-width:400px;color:#e8f1fa}.auth-brand .caption{font-size:12px;color:#e8f1fa;margin-top:80px}.auth-main{padding:50px 8vw;display:flex;align-items:center;justify-content:center}.auth-card{max-width:420px;width:100%}.auth-card h2{font-size:33px}.auth-tabs{display:flex;border-bottom:1px solid var(--line);gap:24px;margin-bottom:28px}.auth-tabs button{border:0;border-bottom:2px solid transparent;background:none;padding:12px 0;color:var(--muted)}.auth-tabs button.active{border-color:var(--accent);color:#243f43}.field{display:block;margin:15px 0}.field span{display:block;font-size:12px;font-weight:600;margin-bottom:7px}input,select,textarea{width:100%;padding:12px 14px;border:1px solid #cbd5cf;background:#fff;border-radius:7px;color:#213a3e;min-width:0}textarea{min-height:145px;resize:vertical}input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:2px solid #639996;outline-offset:3px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--green);border-radius:7px;background:var(--green);color:white;padding:11px 18px;font-weight:600;font-size:13px;text-decoration:none;min-height:44px;gap:8px}.btn.accent{background:var(--accent);border-color:var(--accent)}.btn.secondary{background:white;color:var(--green);border-color:#cbd5cf}.btn.quiet{background:none;border-color:transparent;color:var(--green);padding-left:0}.wide{width:100%}.error{color:#a83728;background:#fff0e9;padding:12px 15px;border-radius:6px;font-size:13px;margin:15px 0}.notice{background:#fff8e9;border:1px solid #ead7a8;padding:16px 20px;border-radius:9px;margin-bottom:24px;font-size:13px}.notice.success{background:#eaf3eb;border-color:#c5d9c8}.shell{display:grid;grid-template-columns:254px minmax(0,1fr);min-height:100dvh}.sidebar{background:var(--green);color:#ffffff;padding:34px 24px;display:flex;flex-direction:column;position:sticky;top:0;height:100dvh}.sidebar .brand{margin-bottom:50px}.nav{display:flex;flex-direction:column;gap:7px}.nav button{font-size:13px;display:flex;align-items:center;gap:12px;color:#e8f1fa;background:none;border:0;border-radius:6px;text-align:left;padding:12px 14px;min-height:46px}.nav button.active{color:#fff;background:#ffffff13}.nav button:hover{background:#ffffff0a}.nav .icon{font-size:17px;width:20px}.sidebar-foot{margin-top:auto;padding-top:35px;font-size:11px;color:#a8c0bd}.sidebar-foot .btn{color:#dce7e4}.main{min-width:0}.topbar{height:80px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 44px;background:#fff9;gap:15px}.topbar .user{font-size:12px;display:flex;gap:12px;align-items:center}.avatar{background:#e2eae2;border-radius:50%;width:34px;height:34px;display:grid;place-content:center;color:var(--green);font-size:12px}.workspace{max-width:1180px;padding:40px 44px 75px;margin:auto}.intro{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin:10px 0 32px}.intro p{max-width:570px}.intro .eyebrow{color:var(--accent);margin-bottom:12px}.card{border:1px solid var(--line);border-radius:11px;background:#fff;padding:27px;min-width:0}.grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px}.progress-card{background:#e8f1fa;border:0;margin-bottom:26px}.progress-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.progress-heading h3{margin:0}.progress-track{height:5px;border-radius:5px;overflow:hidden;background:#cedbd0;margin:18px 0 10px}.progress-track span{display:block;background:#0f4c81;height:100%}.progress-detail{display:flex;justify-content:space-between;font-size:11px;color:#5c736c}.stat{font:30px Arial, sans-serif}.module{background:#fff;border:1px solid var(--line);border-radius:9px;margin-bottom:16px;overflow:hidden}.module summary{padding:22px 24px;cursor:pointer;list-style:none;display:flex;align-items:center;gap:16px}.module summary::-webkit-details-marker{display:none}.module-num{width:33px;height:33px;background:#eef1eb;display:grid;place-content:center;border-radius:6px;font-size:12px;color:#647b71;flex-shrink:0}.module summary h3{margin:0;font-size:14px}.module summary small{font-size:10px;color:var(--muted)}.module summary .chevron{margin-left:auto}.lesson-row{border:0;border-top:1px solid #edf0eb;display:flex;align-items:center;gap:14px;background:white;color:#233e42;width:100%;text-align:left;padding:17px 24px;font-size:12px;min-height:65px}.lesson-row:hover{background:#fafbf7}.lesson-row:disabled{cursor:default;opacity:.6}.lesson-dot{width:26px;height:26px;display:grid;place-content:center;border:1px solid #d4ded7;border-radius:50%;font-size:11px;flex-shrink:0}.lesson-dot.done{background:#0f4c81;color:white;border-color:#0f4c81}.lesson-row .lesson-copy{flex:1}.lesson-row .pill{margin-left:auto}.pill{display:inline-block;border-radius:5px;background:#edf1e9;color:#4c6b5b;padding:4px 8px;font-size:10px;white-space:nowrap}.pill.pending{background:#fff2d7;color:#836329}.pill.revision{background:#fbe8de;color:#9b4b31}.aside-card{margin-bottom:18px;font-size:12px}.aside-card .eyebrow{color:var(--muted);margin-bottom:18px}.aside-card h3{font-size:16px}.divider{border-top:1px solid var(--line);margin:18px 0}.line{display:flex;justify-content:space-between;gap:20px;font-size:12px;padding:6px 0}.line span:first-child{color:var(--muted)}.lesson-title{max-width:850px}.lesson-body{font-size:14px;line-height:1.85;overflow-wrap:anywhere}.lesson-body p{white-space:pre-line;margin-bottom:16px}.video{margin:24px 0}.video iframe{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:8px;background:#12292f}.video a{font-size:11px}.assignment{margin-top:28px;padding-top:26px;border-top:1px solid var(--line)}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:20px}.history-entry{border-left:2px solid #d1ddd4;padding:0 0 3px 18px;margin:22px 0;overflow-wrap:anywhere;font-size:13px}.history-entry time{color:var(--muted);font-size:11px}.history-entry p{white-space:pre-line;margin:8px 0}.review-comment{background:#f2f5ef;padding:13px 16px;border-radius:6px}.profile-form{max-width:600px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.empty{padding:38px;text-align:center;color:var(--muted);font-size:13px}.review-card{margin-bottom:18px}.review-card h3{margin-bottom:5px}.review-card textarea{margin-top:16px;min-height:80px}.student-card{margin-bottom:18px}.student-card summary{cursor:pointer}.student-card summary h3{display:inline;margin-right:15px}.student-card summary .pill{vertical-align:middle}.admin-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;margin-top:20px}.certificate-paper{width:100%;max-width:900px;display:block;height:auto;background:white;box-shadow:0 5px 25px #17312e15}.certificate-wrap{padding:14px;background:white;border:1px solid var(--line);border-radius:9px}.loading{min-height:100vh;display:grid;place-content:center;color:var(--green)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:12px 22px;border-radius:8px;background:#0f4c81;color:white;box-shadow:0 4px 20px #0002;z-index:50;font-size:13px;max-width:90vw;display:none}.code{font-family:ui-monospace,monospace;font-size:11px;min-height:220px}.section-gap{margin-top:28px}.mobile-brand{display:none}.badged{display:flex;gap:8px;align-items:center}.settings-layout{display:grid;gap:25px}.small{font-size:12px}.history-list{margin-top:20px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
@media(max-width:1100px){.shell{grid-template-columns:215px 1fr}.sidebar{padding:30px 18px}.topbar{padding:0 28px}.workspace{padding:32px 28px}.grid{grid-template-columns:minmax(0,1fr)}.aside{display:grid;grid-template-columns:1fr 1fr;gap:18px}.intro{align-items:flex-start}}
@media(max-width:700px){.auth{grid-template-columns:1fr}.auth-brand{min-height:250px;padding:30px}.auth-brand h1{font-size:35px;margin:45px 0 15px}.auth-brand .caption{display:none}.auth-brand p{font-size:13px;margin:0}.auth-main{padding:30px 24px 50px}.shell{display:block}.sidebar{position:relative;height:auto;padding:18px 20px 0;display:block}.sidebar .brand{font-size:24px;margin:0 0 20px}.sidebar .brand small{font-size:8px;margin-top:5px}.nav{flex-direction:row;gap:3px;overflow-x:auto;padding-bottom:10px}.nav button{flex-shrink:0;padding:8px 10px;min-height:40px;font-size:11px;gap:6px}.nav .icon{display:none}.sidebar-foot{display:none}.topbar{height:60px;padding:0 20px}.topbar .eyebrow{font-size:9px}.topbar .user{font-size:10px;gap:8px}.workspace{padding:26px 20px 45px}.intro{margin:0 0 24px;display:block}.intro p{font-size:13px}.intro h1{font-size:31px}.intro>.btn{margin-top:10px}.card{padding:20px}.grid{gap:18px}.aside{display:block}.module summary{padding:17px 16px;gap:12px}.module summary h3{font-size:12px}.lesson-row{padding:14px 16px;gap:10px}.lesson-row .pill{font-size:8px}.lesson-row .lesson-copy{max-width:100%}.two-fields,.admin-fields{grid-template-columns:1fr;gap:0}.progress-heading h3{font-size:13px}.stat{font-size:26px}.actions .btn{flex:1;min-width:120px}.lesson-body{font-size:13px}.lesson-title{font-size:27px}.lesson-dot{width:22px;height:22px}.notice{padding:14px 16px}.topbar .btn{padding:6px;font-size:10px}.certificate-wrap{padding:5px}}

progress.progress-track{display:block;border:0;width:100%;appearance:none}progress.progress-track::-webkit-progress-bar{background:#cedbd0;border-radius:5px}progress.progress-track::-webkit-progress-value{background:#0f4c81;border-radius:5px}progress.progress-track::-moz-progress-bar{background:#0f4c81;border-radius:5px}

.course-actions{margin:0 0 20px}.lesson-copy{min-width:0;overflow-wrap:anywhere}.nav button{min-height:44px}.lesson-row{flex-wrap:wrap}.lesson-row .lesson-copy{flex-basis:130px}.topbar .user{min-width:0}.topbar .user>span:nth-child(2){overflow-wrap:anywhere;max-width:160px}@media(max-width:700px){.nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible}.nav button{justify-content:center;padding:10px 4px;white-space:normal;font-size:12px}.topbar .eyebrow{max-width:100px}.topbar .user>span:nth-child(2){max-width:100px}.auth-brand h1{margin-top:28px}.auth-brand{min-height:0}.auth-brand .eyebrow,.auth-brand p{display:none}.lesson-row .pill{white-space:normal}}