:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f4f6f8;--panel:#fff;--text:#17202a;--muted:#6b7280;--border:#d9dee7;--accent:#123c69}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.login-page{place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;width:min(420px,100%);padding:28px;box-shadow:0 12px 40px #123c6914}.login-card h1,.module-content h1{margin:0 0 8px}.muted{color:var(--muted)}.form{gap:14px;margin-top:24px;display:grid}.field{gap:6px;display:grid}.field input{border:1px solid var(--border);border-radius:10px;width:100%;padding:12px}.button{color:#fff;background:var(--accent);cursor:pointer;border:0;border-radius:10px;padding:12px 16px}.error{color:#b42318}.shell{grid-template-columns:280px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;gap:18px;padding:24px;display:flex}.brand{font-size:22px;font-weight:700}.nav{gap:8px;display:grid}.nav a{border:1px solid var(--border);border-radius:10px;padding:11px 12px}.nav a:hover{border-color:var(--accent)}.user-card{color:var(--muted);gap:8px;margin-top:auto;font-size:14px;display:grid}.content{padding:28px}.module-content{gap:18px;height:calc(100vh - 56px);display:grid}.module-frame{border:1px solid var(--border);background:#fff;border-radius:16px;width:100%;height:100%}.module-external{border:1px solid var(--border);background:#fff;border-radius:16px;justify-content:center;align-items:center;min-height:200px;display:flex}.module-external-link{color:#fff;background:var(--accent);border-radius:12px;padding:14px 24px;font-weight:600;text-decoration:none;display:inline-block}.module-external-link:hover{filter:brightness(.95)}