:root{--bg-color: #f4f7f9;--surface: #ffffff;--surface-light: #f8fafc;--primary: #1498D5;--primary-hover: #107bb0;--text: #1a1a1a;--text-muted: #64748b;--border: #e2e8f0;--success: #10b981;--error: #ef4444;--font-main: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--radius-lg: 8px;--radius-md: 4px;--radius-sm: 2px;--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--bg-color);color:var(--text);overflow-x:hidden;line-height:1.6}.main-layout{max-width:1100px;margin:0 auto;padding:2.5rem 1.5rem;min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem;padding-bottom:1.5rem;border-bottom:2px solid var(--primary)}.logo-container{display:flex;align-items:center;gap:.75rem}.brand-name{font-size:1.5rem;font-weight:700;letter-spacing:-.01em;color:var(--text);text-transform:uppercase}.brand-name span{color:var(--primary);font-weight:400}.header-status{display:flex;align-items:center;gap:.5rem;font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.status-dot{width:8px;height:8px;background:var(--success);border-radius:50%}.dashboard-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;flex:1}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow);position:relative}.full-width{grid-column:span 2}.hero-card{text-align:center;border-top:4px solid var(--primary)}.ip-dashboard{display:flex;align-items:center;justify-content:space-around;width:100%;margin-bottom:2rem}.ip-box{flex:1;padding:1rem}.ip-divider{width:1px;height:80px;background:var(--border);margin:0 2rem}.ip-container .label,.ip-box .label{display:block;font-size:.75rem;font-weight:700;letter-spacing:.1em;color:var(--text-muted);margin-bottom:.75rem;text-transform:uppercase}.ip-row{display:flex;align-items:center;justify-content:center;gap:1rem}#ipv4-display,#ipv6-display{font-size:2.25rem;font-weight:800;color:var(--primary);margin:0;font-variant-numeric:tabular-nums;word-break:break-all}#ipv6-display{font-size:1.5rem}.ptr-record{display:block;font-family:Fira Code,monospace;font-size:.75rem;color:var(--text-muted);margin-top:.25rem;opacity:.7}.ping-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:.5rem}.ping-item{background:var(--surface-light);padding:1rem;border-radius:var(--radius-md);border:1px solid var(--border);text-align:center}.ping-loc{display:block;font-size:.7rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;margin-bottom:.5rem}.ping-status{font-weight:700;color:var(--primary);font-family:Fira Code,monospace}.status-safe{color:var(--success)}.status-warning{color:#f59e0b}.status-danger{color:var(--error)}.icon-btn{background:var(--surface-light);border:1px solid var(--border);color:var(--primary);padding:.6rem;border-radius:var(--radius-md);cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.icon-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.meta-row{display:flex;gap:.5rem;justify-content:center}.badge{background:var(--surface-light);color:var(--text);padding:.3rem .8rem;border-radius:var(--radius-md);font-size:.8rem;font-weight:600;border:1px solid var(--border)}.speedtest-card{padding:0;overflow:hidden}.speedtest-card .card-header{padding:1rem 1.5rem;border-bottom:1px solid var(--border);background:var(--surface-light);display:flex;align-items:center;gap:.75rem}.header-title{display:flex;align-items:center;gap:.75rem}.header-title i{color:var(--primary);width:20px}.header-title h3{font-size:1.1rem;font-weight:700;text-transform:uppercase;letter-spacing:.02em}.speedtest-wrapper{height:650px;background:#f1f5f9}.info-group{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.info-card{padding:1.5rem}.card-header-small{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}.card-header-small i{color:var(--primary);width:18px}.card-header-small h4{font-size:1rem;font-weight:700;text-transform:uppercase;letter-spacing:.02em}.data-list{list-style:none}.data-list li{display:flex;justify-content:space-between;padding:.6rem 0;border-bottom:1px dotted var(--border);font-size:.9rem}.data-list li:last-child{border-bottom:none}.data-label{color:var(--text-muted);font-weight:500}.data-value{font-weight:600;color:var(--text)}.data-value.highlight{color:var(--primary)}.lan-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}.lan-notice{background:#eef2f7;padding:1.25rem;border-radius:var(--radius-md);border-left:4px solid var(--primary);display:flex;gap:1rem}.lan-notice i{color:var(--primary);flex-shrink:0}.lan-notice p{font-size:.85rem;color:var(--text-muted);line-height:1.5}.tag-cloud{display:flex;flex-wrap:wrap;gap:.5rem}.tag{background:var(--surface-light);color:var(--text-muted);padding:.3rem .75rem;border-radius:var(--radius-md);font-size:.75rem;font-weight:600;border:1px solid var(--border);text-transform:uppercase}.tag.enabled{background:#10b9811a;color:#065f46;border-color:#10b98133}.app-footer{margin-top:4rem;padding:2rem 0;border-top:1px solid var(--border)}.footer-content{display:flex;justify-content:space-between;align-items:center}.app-footer p{color:var(--text-muted);font-size:.85rem;font-weight:500}.app-footer a{color:var(--primary);text-decoration:none;font-weight:600}.app-footer a:hover{text-decoration:underline}.social-links{display:flex;gap:1.25rem}.social-links a{color:var(--text-muted);transition:color .2s}.social-links a:hover{color:var(--primary)}@media (max-width: 950px){.dashboard-grid,.info-group,.lan-grid{grid-template-columns:1fr}.full-width{grid-column:span 1}#ipv4-display,#ipv6-display{font-size:2.25rem}}@media (max-width: 600px){.app-header{flex-direction:column;gap:1rem;align-items:flex-start}.footer-content{flex-direction:column;gap:1.5rem;text-align:center}.speedtest-wrapper{height:500px}}