:root{--bg:#0f1c2e;--panel:#15263d;--panel-2:#1c3150;--text:#eef3f8;--muted:#9db0c7;--accent:#3d8fd1;--accent-2:#2a6ea3;--border:#2a4466;--ok:#3d9a6a;--danger:#c45c5c;color:var(--text);background:radial-gradient(1200px 600px at 10% -10%, #1a334d, var(--bg));font-family:Segoe UI,Helvetica Neue,sans-serif;line-height:1.45}*{box-sizing:border-box}body{min-height:100vh;margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.shell{max-width:960px;margin:0 auto;padding:1.5rem}.topbar{justify-content:space-between;align-items:center;gap:1rem;margin-bottom:2rem;display:flex}.brand{letter-spacing:.02em;font-size:1.35rem;font-weight:700}.muted{color:var(--muted)}.grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;display:grid}.tile{background:var(--panel);border:1px solid var(--border);color:inherit;padding:1.25rem;transition:border-color .15s,transform .15s;display:block}.tile:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}.tile h2{margin:0 0 .35rem;font-size:1.15rem}.tile p{color:var(--muted);margin:0;font-size:.9rem}.tile-disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.35)}.tile-disabled:hover{border-color:var(--border);transform:none}.panel{background:var(--panel);border:1px solid var(--border);margin-bottom:1.25rem;padding:1.25rem}.panel h2{margin:0 0 1rem;font-size:1.1rem}.row{flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:.75rem;display:flex}input,select,button{font:inherit;border:1px solid var(--border);background:var(--panel-2);color:var(--text);padding:.45rem .65rem}button,.btn{background:var(--accent-2);border-color:var(--accent-2);cursor:pointer;color:#fff}button.secondary{color:var(--text);background:0 0}table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{text-align:left;border-bottom:1px solid var(--border);padding:.5rem .4rem}.nav a{margin-right:1rem}.error{color:var(--danger)}.chip{border:1px solid var(--border);margin-right:.35rem;padding:.15rem .45rem;font-size:.75rem;display:inline-block}.chip.on{border-color:var(--ok);color:#8fd6b0}