a{color:var(--brand)}button:disabled{opacity:.6;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #8b9dff;outline-offset:3px}.auth{max-width:480px;margin:7vh auto;padding:32px;background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.auth h1{font-size:25px}.auth p,.help{color:var(--muted);line-height:1.6;font-size:13px}form{display:grid;gap:15px}label{display:grid;gap:7px;font-size:12px;font-weight:800}label input,label select,label textarea{width:100%;min-width:0;background:var(--panel2);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:11px;font:inherit;font-weight:400}label textarea{min-height:100px;resize:vertical;line-height:1.6}label.check{display:flex;align-items:center}label.check input{width:18px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.error{color:var(--danger);line-height:1.5;font-size:13px}.empty{padding:35px 15px;text-align:center;color:var(--muted);line-height:1.7}.empty strong{display:block;color:var(--text);margin-bottom:7px}.btn.small{padding:7px 10px;font-size:11px}.btn.danger{color:var(--danger)}.buttons{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.buttons a.btn{text-decoration:none}.table td{vertical-align:middle}.table td:last-child{white-space:normal}.row-actions{display:flex;gap:6px;flex-wrap:wrap}.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.course-card h2{font-size:18px}.course-card p{font-size:13px;color:var(--muted);line-height:1.6}.course-cover{height:90px;background:linear-gradient(135deg,#203a92,#6c7ff0);border-radius:12px;color:#fff;display:flex;align-items:center;padding:22px;font-size:25px;font-weight:900}.course-card .progress{background:var(--line)}.course-card .progress i{background:var(--brand)}.pill{font-size:11px;color:var(--muted);font-weight:700}.role-label{padding:12px;margin-bottom:15px;text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:.1em;background:#ffffff14;border-radius:12px}.nav .dot{width:17px;height:17px;background:none;font-size:16px}.menu-toggle{display:none}.side .nav button span{white-space:nowrap}.prewrap{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7;font-size:14px}.record{margin-bottom:12px}.record h3{margin:0 0 8px;font-size:16px}.record footer{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:14px}.record .meta{font-size:11px;color:var(--muted)}dialog{width:min(680px,94vw);max-height:90vh;overflow:auto;border:1px solid var(--line);border-radius:20px;background:var(--panel);color:var(--text);padding:26px;box-shadow:var(--shadow)}dialog::backdrop{background:#07132a99}dialog .dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}dialog h2{margin:0;font-size:21px}#toast:not(:empty){position:fixed;right:22px;bottom:22px;background:#14213d;color:#fff;padding:14px 18px;border-radius:12px;z-index:100;font-size:13px;max-width:90vw;box-shadow:var(--shadow)}.lesson-layout{display:grid;grid-template-columns:260px 1fr;gap:16px}.lesson-nav{display:grid;gap:8px;align-content:start}.lesson-nav button{text-align:left}.lesson-nav button.active{background:var(--brand);color:#fff}.player{width:100%;aspect-ratio:16/9;background:#101827;border:0;border-radius:12px}.lesson-body{margin-top:18px}.payment-box{border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--panel2);margin:15px 0}.payment-box code{font-size:20px;font-weight:900;overflow-wrap:anywhere}.notice{padding:14px 16px;border-left:4px solid var(--brand);background:var(--panel2);font-size:13px;line-height:1.6;margin:14px 0}.certificate{text-align:center;padding:45px;border:8px double #3657d6;background:var(--panel)}.certificate h2{font-size:32px}.metric-progress{height:8px;background:var(--line);border-radius:8px;overflow:hidden;margin-top:8px}.metric-progress i{display:block;height:100%;background:var(--brand)}.loading{padding:35px;color:var(--muted)}.bottom-gap{margin-bottom:16px}.spark{color:var(--brand)}.search{width:min(330px,30vw)}
@media(max-width:1100px){.layout{grid-template-columns:220px 1fr}.side{padding:18px 12px}.nav button span,.brandtext,.side-footer{display:block}.nav button{justify-content:flex-start}.role-label{display:block}.workspace{padding:22px}.lesson-layout{grid-template-columns:210px 1fr}.role{display:grid}}
@media(max-width:700px){.auth{margin:20px 12px;padding:24px}.layout{display:block}.top{height:66px}.brand{font-size:16px}.brandtext{display:block}.brand small{font-size:8px}.top-actions{gap:5px}.top-actions .iconbtn{width:34px;height:34px}.menu-toggle{display:grid}.side{display:none;position:fixed;top:66px;bottom:0;left:0;right:auto;width:260px;height:calc(100vh - 66px);padding:15px;box-shadow:var(--shadow)}.side.open{display:block}.nav{display:grid;justify-content:stretch}.nav button{padding:12px}.nav button span{display:inline}.workspace{padding:20px 14px 30px}.main-head{flex-wrap:wrap}.main-head .h1{font-size:24px}.actions .btn:not(.primary){display:block}.grid4{gap:10px}.stat .v{font-size:23px}.spark{display:none}.form-grid,.lesson-layout{grid-template-columns:1fr}.lesson-nav{max-height:230px;overflow:auto}.certificate{padding:20px}.certificate h2{font-size:24px}dialog{padding:20px}.hero-main h2{font-size:23px}.course-grid{grid-template-columns:1fr}.top .search{display:none}}
@media print{body{background:#fff;color:#000}.top,.side,.main-head,.buttons,.no-print{display:none!important}.layout{display:block}.workspace{padding:0}.certificate{break-inside:avoid;background:#fff;color:#000;box-shadow:none}.certificate p{color:#333}}