*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--tint);color:var(--ink);font-family:var(--font-body);margin:0;font-size:18px;line-height:1.55}h1,h2,h3{font-family:var(--font-heading);color:var(--primary);margin:0 0 .5em;line-height:1.2}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.2rem}p{margin:0 0 1em}a{color:var(--primary)}img{max-width:100%;height:auto}.wrap{max-width:820px;margin:0 auto;padding:0 16px}.site-header{background:var(--primary);color:#fff}.site-header .wrap{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;min-height:60px;display:flex}.brand-name{font-family:var(--font-heading);color:#fff;font-size:1.35rem;font-weight:600;text-decoration:none}.site-nav{align-items:center;gap:18px;font-size:16px;display:flex}.site-nav a,.site-nav button{color:#fff;font:inherit;cursor:pointer;background:0 0;border:0;padding:8px 0;text-decoration:none}.site-nav a:hover,.site-nav button:hover{text-decoration:underline}main{min-height:60vh;padding:28px 0 56px}.site-footer{border-top:1px solid var(--line);color:var(--muted);padding:24px 0 40px;font-size:15px}.site-footer a{color:var(--muted)}.panel{border:1px solid var(--line);background:#fff;border-radius:10px;margin-bottom:20px;padding:22px 20px}.narrow{max-width:480px;margin:0 auto}.muted{color:var(--muted)}.small{font-size:15px}label{margin:0 0 6px;font-weight:600;display:block}input[type=email],input[type=text],textarea,select{width:100%;font:inherit;color:var(--ink);background:#fff;border:1px solid #c9c3b6;border-radius:8px;padding:14px;font-size:18px}textarea{resize:vertical;min-height:140px}input:focus,textarea:focus,select:focus,.btn:focus-visible{outline:3px solid color-mix(in srgb, var(--accent) 60%, transparent);outline-offset:1px}.code-input{letter-spacing:10px;text-align:center;font-variant-numeric:tabular-nums;font-size:30px!important}.field{margin-bottom:18px}.check{align-items:flex-start;gap:10px;font-weight:400;display:flex}.check input{flex:none;width:22px;height:22px;margin-top:3px}.btn{background:var(--primary);color:#fff;font:inherit;cursor:pointer;text-align:center;border:0;border-radius:8px;padding:15px 26px;font-size:18px;font-weight:600;text-decoration:none;display:inline-block}.btn:hover{background:var(--primary-deep)}.btn:disabled{opacity:.6;cursor:default}.btn-block{width:100%;display:block}.btn-quiet{color:var(--primary);border:1px solid var(--primary);background:0 0}.btn-quiet:hover{background:#fff}.btn-small{padding:8px 14px;font-size:15px}.notice{border:1px solid var(--line);background:#fff;border-radius:8px;margin-bottom:18px;padding:14px 16px}.error{color:#9b1c1c;background:#fdf0f0;border:1px solid #f1caca;border-radius:8px;margin-bottom:16px;padding:12px 14px}.bar{background:var(--line);border-radius:99px;height:10px;margin:10px 0 6px;overflow:hidden}.bar>span{background:var(--accent);height:100%;display:block}.module{margin:26px 0 8px}.module h2{margin-bottom:6px;font-size:1.25rem}.lessons{border:1px solid var(--line);background:#fff;border-radius:10px;margin:0;padding:0;list-style:none}.lessons li+li{border-top:1px solid var(--line)}.lessons a{color:var(--ink);align-items:center;gap:14px;padding:15px 16px;text-decoration:none;display:flex}.lessons a:hover{background:var(--tint)}.tick{color:#fff;border:2px solid #c9c3b6;border-radius:50%;flex:none;place-items:center;width:28px;height:28px;font-size:16px;display:grid}.tick.done{background:var(--accent);border-color:var(--accent)}.lesson-title{flex:1}.lesson-meta{color:var(--muted);white-space:nowrap;font-size:15px}.files{margin:0;padding:0;list-style:none}.files li+li{margin-top:10px}.files a{align-items:center;gap:10px;font-weight:600;display:inline-flex}.player{background:#000;border-radius:10px;margin-bottom:18px;padding-top:56.25%;position:relative;overflow:hidden}.player iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.player-placeholder{text-align:center;color:#fff;background:var(--primary-deep);place-items:center;padding:20px;display:grid;position:absolute;inset:0}.lesson-nav{flex-wrap:wrap;justify-content:space-between;gap:12px;margin:20px 0;display:flex}.crumb{margin-bottom:8px;font-size:15px}.crumb a{color:var(--muted)}.stars{flex-direction:row-reverse;justify-content:flex-end;gap:6px;display:flex}.stars input{opacity:0;width:1px;height:1px;position:absolute}.stars label{color:#d6d0c3;cursor:pointer;margin:0;font-size:40px;font-weight:400;line-height:1}.stars input:checked~label,.stars label:hover,.stars label:hover~label{color:var(--accent)}.stars input:focus-visible+label{outline:3px solid color-mix(in srgb, var(--accent) 60%, transparent)}.admin table{border-collapse:collapse;background:#fff;width:100%;font-size:15px}.admin th,.admin td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:8px 10px}.admin .wrap{max-width:1100px}.table-scroll{margin-bottom:24px;overflow-x:auto}.stat-row{flex-wrap:wrap;gap:10px 28px;margin:10px 0 20px;display:flex}.stat-row div{min-width:120px}.stat-row strong{font-variant-numeric:lining-nums tabular-nums;font-size:1.6rem;font-family:var(--font-heading);color:var(--primary);display:block}.mode{border-radius:6px;padding:4px 10px;font-size:15px;font-weight:700;display:inline-block}.mode.test{color:#7a5200;background:#fff4d6}.mode.live{color:#155724;background:#dff3e4}.inline-form{display:inline}.row-actions{flex-wrap:wrap;gap:8px;display:flex}@media (min-width:700px){h1{font-size:2.4rem}.panel{padding:28px 30px}}