.ipv6-tool{max-width:1080px;margin:0 auto;padding:36px 24px 64px}.ipv6-workspace{border:1px solid var(--line);background:var(--surface);border-radius:16px;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);display:grid;overflow:hidden}.ipv6-controls,.ipv6-results{min-width:0;padding:28px}.ipv6-controls{border-right:1px solid var(--line)}.ipv6-tool h2{font:600 24px var(--font-heading), sans-serif;margin:0 0 24px}.ipv6-tool h3{margin:28px 0 12px;font-size:18px}.ipv6-label{margin-bottom:8px;font-size:14px;font-weight:600;display:block}.ipv6-tool input[type=text],.ipv6-tool select{border:1px solid var(--line);width:100%;min-width:0;min-height:48px;color:var(--text);background:var(--surface);font:14px var(--font-geist-mono), monospace;border-radius:8px;padding:12px}.ipv6-hint{color:var(--text-muted);margin:12px 0 20px;font-size:14px;line-height:1.7}.ipv6-error{color:var(--error-text);background:var(--error-soft);border:1px solid var(--error-text);border-radius:8px;padding:12px;font-size:14px;line-height:1.6}.ipv6-prefix-title,.ipv6-range-labels{justify-content:space-between;align-items:center;gap:8px;display:flex}.ipv6-prefix-title{margin-top:24px;font-size:14px;font-weight:600}.ipv6-prefix-title output{font-family:var(--font-geist-mono), monospace}.ipv6-tool input[type=range]{width:100%;min-height:44px;accent-color:var(--tool-accent);display:block}.ipv6-range-labels{color:var(--text-muted);margin-bottom:24px;font-size:12px}.ipv6-presets{gap:8px;display:grid}.ipv6-tool button{border:1px solid var(--line);min-width:44px;min-height:44px;color:var(--text);background:var(--surface);cursor:pointer;border-radius:8px}.ipv6-presets button{text-align:left;padding:10px 12px;font-size:14px}.ipv6-tool button:hover{background:var(--surface-soft)}:is(.ipv6-tool button:focus-visible,.ipv6-tool input:focus-visible,.ipv6-tool select:focus-visible){outline:3px solid var(--focus);outline-offset:3px}.ipv6-cidr{border:1px solid var(--line);background:var(--surface-soft);border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:16px;display:flex}.ipv6-cidr strong{font:600 clamp(18px, 2.2vw, 25px) var(--font-geist-mono), monospace;overflow-wrap:anywhere}.ipv6-cidr button,.ipv6-values button{flex-shrink:0;place-items:center;display:grid}.ipv6-count{margin:24px 0 12px}.ipv6-count strong{font:600 clamp(20px, 2.5vw, 28px) var(--font-heading), sans-serif;overflow-wrap:anywhere;font-variant-numeric:tabular-nums;display:block}.ipv6-count span{color:var(--text-muted);margin-top:8px;font-size:14px;display:block}.ipv6-values{margin:0 0 24px}.ipv6-values>div{border-bottom:1px solid var(--line);padding:10px 0}.ipv6-values dt{color:var(--text-muted);margin-bottom:4px;font-size:14px}.ipv6-values dd{justify-content:space-between;align-items:center;gap:12px;margin:0;display:flex}.ipv6-values code{font:14px var(--font-geist-mono), monospace;overflow-wrap:anywhere}.ipv6-values button{background:0 0;border-color:#0000}.ipv6-tool .ipv6-copy-report{background:var(--tool-accent);width:100%;color:var(--on-tool);border-color:var(--tool-accent);justify-content:center;align-items:center;gap:8px;padding:12px;font-size:14px;font-weight:600;display:flex}.ipv6-tool .ipv6-copy-report:hover{background:var(--tool-accent-hover)}.ipv6-empty{background:var(--surface-soft);min-height:280px;color:var(--text-muted);text-align:center;border-radius:12px;place-content:center;justify-items:center;padding:24px;line-height:1.7;display:grid}.ipv6-notice{min-height:24px;color:var(--text-muted);font-size:14px;line-height:1.7}.ipv6-limit{color:var(--text-muted);margin:0 0 24px;font-size:14px;line-height:1.7}.ipv6-sources{flex-wrap:wrap;gap:8px 24px;display:flex}.ipv6-sources a{align-items:center;min-height:44px;display:inline-flex}@media (max-width:760px){.ipv6-workspace{grid-template-columns:1fr}.ipv6-controls{border-right:0;border-bottom:1px solid var(--line)}.ipv6-controls,.ipv6-results{padding:20px}}@media (max-width:400px){.ipv6-tool{padding:24px 12px 48px}.ipv6-controls,.ipv6-results{padding:16px}}