/* Shared module navigation; original Tool 01 styles remain unchanged. */
.tool-nav{max-width:1200px;margin:20px auto 0;display:flex;gap:8px;padding:0 0 4px;flex-wrap:wrap}
.tool-nav a{font-size:12px;text-decoration:none;padding:9px 15px;border:1px solid var(--line);border-radius:5px;background:white}
.tool-nav a[aria-current=page]{background:var(--ink);border-color:var(--ink);color:white}
@media(max-width:1280px){.tool-nav{margin-inline:40px}}
@media(max-width:1000px){.tool-nav{margin-inline:24px}}
@media(max-width:440px){.tool-nav{margin-inline:14px}.tool-nav a{padding:9px 10px;font-size:11px}}
@media print{.tool-nav{display:none}}