:root{--bg:#f6f7f9;--surface:#fff;--text:#1c2330;--muted:#5d6778;--border:#dde1e7;--primary:#1f5eff;--primary-hover:#1848c7;--danger:#c62828;--danger-bg:#fdecea;--ok:#2e7d32;--radius:8px;--shadow:0 1px 2px #1018280f, 0 1px 3px #1018281a;--sidebar-width:240px;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*,:before,:after{box-sizing:border-box}html,body{min-height:100%;margin:0;padding:0}body{font-size:15px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{margin:0 0 1rem;font-size:1.5rem}h2{margin:1.25rem 0 .5rem;font-size:1.15rem}label{margin-bottom:.25rem;font-weight:600;display:block}input,select,textarea{font:inherit;color:inherit;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;padding:.5rem .65rem}input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb, var(--primary) 35%, transparent);border-color:var(--primary)}.field{margin-bottom:1rem}button,.btn{font:inherit;cursor:pointer;border-radius:var(--radius);border:1px solid var(--primary);background:var(--primary);color:#fff;padding:.5rem 1rem;font-weight:600}button:hover:not(:disabled),.btn:hover{background:var(--primary-hover)}button:disabled{opacity:.6;cursor:not-allowed}button.secondary{background:var(--surface);color:var(--text);border-color:var(--border)}button.secondary:hover:not(:disabled){background:var(--bg)}button.link{color:var(--primary);background:0 0;border:none;padding:.25rem .5rem;font-weight:500}.status{border-radius:var(--radius);margin:.75rem 0;padding:.6rem .8rem}.status.error{background:var(--danger-bg);color:var(--danger)}.status.info{color:#173a8a;background:#eef3ff}.muted{color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem}.auth-page{place-items:center;min-height:100vh;padding:1rem;display:grid}.auth-card{width:100%;max-width:380px}.auth-card h1{text-align:center}.auth-card .actions{justify-content:space-between;align-items:center;gap:.5rem;display:flex}.shell{grid-template-columns:var(--sidebar-width) 1fr;grid-template-rows:auto 1fr;min-height:100vh;display:grid}.topbar{background:var(--surface);border-bottom:1px solid var(--border);grid-column:1/-1;align-items:center;gap:1rem;padding:.6rem 1.25rem;display:flex}.topbar .brand{margin-right:auto;font-weight:700}.topbar select{width:auto;min-width:200px}.topbar .who{color:var(--muted);font-size:.9rem}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:1rem .5rem}.nav ul{margin:0;padding:0;list-style:none}.nav-link{border-radius:var(--radius);color:var(--text);padding:.45rem .75rem;display:block}.nav-link:hover{background:var(--bg);text-decoration:none}.nav-link.active{color:var(--primary);background:#eef3ff;font-weight:600}.content{min-width:0;padding:1.5rem 2rem}.center-screen{place-items:center;min-height:100vh;display:grid}dl.kv{grid-template-columns:max-content 1fr;gap:.35rem 1.25rem;margin:0;display:grid}dl.kv dt{color:var(--muted)}dl.kv dd{margin:0}@media (max-width:800px){.shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--border)}}