:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:#17202a;background:#f6f7f9}body{margin:0}.shell{max-width:1180px;margin:0 auto;padding:24px}.nav{height:56px;background:#fff;border-bottom:1px solid #d9dee7;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.brand{font-weight:700}.tabs,.row{display:flex;gap:8px;align-items:center}.panel{background:#fff;border:1px solid #d9dee7;border-radius:8px;padding:18px}.grid{display:grid;grid-template-columns:320px 1fr;gap:16px}.list{display:grid;gap:8px}.item{display:block;background:#fff;border:1px solid #d9dee7;border-radius:8px;padding:12px;color:inherit;text-decoration:none}.muted{color:#657282;font-size:13px}button,.button{border:1px solid #1f6feb;background:#1f6feb;color:white;border-radius:6px;padding:9px 12px;cursor:pointer;text-decoration:none}button.secondary{background:white;color:#1f2937;border-color:#c9d1dc}button:disabled{background:#e2e6ee;color:#7a8594;border-color:#d5dbe5;cursor:not-allowed}input{border:1px solid #c9d1dc;border-radius:6px;padding:10px;width:100%;box-sizing:border-box}.field{display:grid;gap:6px;margin-bottom:12px}.error{color:#b42318}.ok{color:#027a48}.login{max-width:420px;margin:8vh auto}.video{width:100%;max-height:540px;background:#111;border-radius:8px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}@media(max-width:760px){.grid{grid-template-columns:1fr}.shell{padding:14px}.nav{padding:0 14px}}