:root{--primary:#2e7d32;--bg:#fff;--surface:#f6f7f6;--text:#1b1f1c;--muted:#5f6b63;--border:#dde3df}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg)}a{color:inherit}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.nav{background:var(--surface);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column;gap:2px}.nav a{padding:8px 10px;border-radius:6px;text-decoration:none;font-size:14px}.nav a:hover{background:#e8ece9}.nav .brand{font-weight:700;padding:0 10px 16px}main{padding:32px;max-width:960px}.card{border:1px solid var(--border);border-radius:10px;padding:20px;max-width:420px}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 4px}input{width:100%;padding:9px 10px;border:1px solid var(--border);border-radius:6px}button,input{font-size:14px}button{margin-top:16px;background:var(--primary);color:#fff;border:0;border-radius:6px;padding:10px 14px;cursor:pointer}.error{color:#c62828;font-size:13px;margin-top:10px}.muted{color:var(--muted)}.badge{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;background:var(--surface);border:1px solid var(--border)}