/**
 * IP Subnet Calculator Tool Specific Styling
 */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',sans-serif;background:transparent;color:#0f172a;line-height:1.6}
.ip-card{background:#fff;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.06);padding:32px;max-width:700px;margin:0 auto}
.ip-title{font-size:20px;font-weight:700;margin-bottom:24px;color:#0f172a}
.ip-input-row{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap;align-items:flex-end}
.ip-input-group{flex:3}
.ip-input-group label{display:block;font-size:12px;font-weight:600;color:#64748b;margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}
.ip-input-group input{width:100%;height:48px;border:1.5px solid #e2e8f0;border-radius:8px;padding:0 12px;font-size:16px;font-family:'Courier New',monospace;transition:all .2s ease;background:#fff;color:#0f172a}
.ip-input-group input:focus{outline:none;border-color:#4f46e5;box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.ip-cidr-group{flex:1;min-width:80px}
.ip-cidr-group label{display:block;font-size:12px;font-weight:600;color:#64748b;margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}
.ip-cidr-group input{width:100%;height:48px;border:1.5px solid #e2e8f0;border-radius:8px;padding:0 12px;font-size:16px;font-family:'Courier New',monospace;text-align:center;transition:all .2s ease;background:#fff;color:#0f172a}
.ip-cidr-group input:focus{outline:none;border-color:#4f46e5;box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.ip-btn{background:#4f46e5;color:#fff;border:none;border-radius:8px;height:48px;padding:0 20px;font-size:14px;font-weight:600;font-family:'Inter',sans-serif;cursor:pointer;transition:all .2s ease}
.ip-btn:hover{background:#4338ca}
.ip-results{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
@media(max-width:500px){.ip-results{grid-template-columns:1fr}}
.ip-result{background:#f8fafc;border-radius:8px;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;gap:8px;transition:all .2s ease}
.ip-result-label{font-size:12px;font-weight:600;color:#64748b;white-space:nowrap}
.ip-result-value{font-family:'Courier New',monospace;font-size:14px;font-weight:600;color:#4f46e5;text-align:right;word-break:break-all}
.ip-binary{background:#f8fafc;border-radius:8px;padding:16px;margin-bottom:20px}
.ip-binary-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:#64748b;margin-bottom:10px}
.ip-binary pre{font-family:'Courier New',monospace;font-size:12px;line-height:1.8;color:#0f172a;white-space:pre-wrap;word-break:break-all}
.ip-error{color:#ef4444;font-size:13px;margin-bottom:12px;min-height:20px}
[data-theme="dark"] .ip-card{background:#1e293b}
[data-theme="dark"] .ip-input-group input,[data-theme="dark"] .ip-cidr-group input{background:#0f172a;color:#e2e8f0;border-color:#334155}
[data-theme="dark"] .ip-input-group input:focus,[data-theme="dark"] .ip-cidr-group input:focus{border-color:#818cf8}
[data-theme="dark"] .ip-result{background:#0f172a}
[data-theme="dark"] .ip-binary{background:#0f172a}
[data-theme="dark"] .ip-binary pre{color:#e2e8f0}