:root{--brand:#b41e41;--brand-dark:#8a1733;--ink:#1f2430;--bg:#f6f7f9;--card:#fff;--line:#e6e8ec;--muted:#6b7280}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;line-height:1.45}a{color:var(--brand)}.wrap{max-width:1340px;margin:0 auto;padding:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}.btn{background:var(--brand);color:#fff;cursor:pointer;border:0;border-radius:9px;padding:10px 18px;font-size:14px;font-weight:700}.btn:hover{background:var(--brand-dark)}.btn.ghost{color:#374151;background:#eef0f3}.btn:disabled{opacity:.55;cursor:not-allowed}.input{border:1px solid var(--line);background:#fff;border-radius:9px;width:100%;padding:11px 13px;font-size:14px}.label{text-transform:uppercase;letter-spacing:.4px;color:var(--muted);margin:14px 0 6px;font-size:12px;font-weight:700;display:block}.topbar{border-bottom:1px solid var(--line);background:#fff;align-items:center;gap:16px;padding:12px 24px;display:flex}.topbar .brand{color:var(--brand);letter-spacing:-.2px;font-weight:800}.topbar nav{align-items:center;gap:6px;margin-left:auto;display:flex}.topbar nav a{color:#475569;border-radius:8px;padding:8px 14px;font-size:14px;font-weight:600;text-decoration:none}.topbar nav a.on{background:var(--brand);color:#fff}.err{color:#991b1b;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;margin-top:12px;padding:10px 13px;font-size:13px}.ok{color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0;border-radius:8px;margin-top:12px;padding:10px 13px;font-size:13px}.muted{color:var(--muted)}