:root{--bg-primary: #0a0e1a;--bg-secondary: #111827;--bg-card: rgba(17, 24, 39, .7);--bg-card-hover: rgba(30, 41, 59, .6);--border-subtle: rgba(255, 255, 255, .08);--border-active: rgba(99, 102, 241, .4);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #475569;--accent-indigo: #6366f1;--accent-cyan: #06b6d4;--accent-emerald: #10b981;--accent-pink: #ec4899;--accent-red: #ef4444;--glow-indigo: rgba(99, 102, 241, .35);--glow-cyan: rgba(6, 182, 212, .3);--font-main: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-smooth: .5s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow-x:hidden;overflow-y:auto}body{font-family:var(--font-main);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{display:flex;flex-direction:column;min-height:100vh;padding-top:env(safe-area-inset-top);padding-right:env(safe-area-inset-right);padding-left:env(safe-area-inset-left);padding-bottom:env(safe-area-inset-bottom);position:relative}.bg-gradient-layer{position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 80% 60% at 50% -10%,rgba(99,102,241,.12) 0%,transparent 60%),radial-gradient(ellipse 60% 50% at 80% 100%,rgba(6,182,212,.08) 0%,transparent 50%),radial-gradient(ellipse 40% 40% at 10% 80%,rgba(236,72,153,.06) 0%,transparent 50%);z-index:0;pointer-events:none}.bg-particles{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none}.particle{position:absolute;background:#ffffff26;border-radius:50%;animation:drift linear infinite;will-change:transform,opacity}@keyframes drift{0%{transform:translateY(100vh) scale(0);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translateY(-10vh) scale(1);opacity:0}}@media (prefers-reduced-motion: reduce){.bg-particles{display:none}}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:1rem 2.5rem;z-index:10;border-bottom:1px solid var(--border-subtle);background:#0a0e1ae6;position:sticky;top:0}.logo{display:flex;align-items:center;gap:.6rem}.logo-text{font-size:1.5rem;font-weight:700;letter-spacing:-.5px;color:var(--text-primary)}.logo-accent{background:linear-gradient(135deg,var(--accent-indigo),var(--accent-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.privacy-wrapper{position:relative;display:flex;align-items:center;gap:.5rem;padding:.4rem 1rem;border-radius:var(--radius-lg);cursor:pointer;transition:background var(--transition-fast);border:1px solid transparent}.privacy-wrapper:hover{background:#ffffff0d}.privacy-wrapper.revealed{border:1px solid var(--border-subtle)}.privacy-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#111827d9;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:.8rem;font-weight:600;letter-spacing:.5px;z-index:2;transition:opacity var(--transition-fast);pointer-events:none}.privacy-wrapper.revealed .privacy-overlay{opacity:0}.nav-label{font-size:.85rem;color:var(--text-secondary);font-weight:400;transition:filter var(--transition-fast)}.nav-label.blur-text{filter:blur(4px);opacity:.5}.privacy-wrapper.revealed .nav-label.blur-text{filter:blur(0);opacity:1}.main-content{flex:1;display:flex;flex-direction:column;align-items:center;gap:clamp(1.5rem,3vh,3rem);z-index:10;padding:1rem 2rem 3rem;position:relative;animation:fade-in .8s ease-out}.hero-section{display:flex;width:100%;max-width:1000px;align-items:center;justify-content:space-evenly;gap:2rem;margin-top:2rem;flex-wrap:wrap}.speed-display{display:flex;flex-direction:column;align-items:center;gap:2rem}.speed-ring{position:relative;width:min(380px,45vh);height:min(380px,45vh)}.ring-svg{width:100%;height:100%;transform:rotate(-90deg)}.ring-progress{transition:stroke-dashoffset .15s linear;will-change:stroke-dashoffset}.speed-center{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.speed-value{font-size:clamp(3.5rem,9vw,6.5rem);font-weight:900;letter-spacing:-3px;line-height:1;color:var(--text-primary);font-variant-numeric:tabular-nums;white-space:nowrap}.speed-unit{font-size:1.15rem;font-weight:500;color:var(--text-secondary);letter-spacing:1px;margin-top:4px}.speed-phase{font-size:.85rem;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--text-muted);margin-top:4px;transition:color var(--transition-fast)}.speed-phase.active{color:var(--accent-cyan)}.speed-phase.done{color:var(--accent-emerald)}.speed-ring.testing:after{content:"";position:absolute;top:-30px;right:-30px;bottom:-30px;left:-30px;border-radius:50%;background:radial-gradient(circle,var(--glow-cyan) 0%,transparent 70%);opacity:0;animation:breathe 2s ease-in-out infinite alternate;pointer-events:none}@keyframes breathe{0%{opacity:.04;transform:scale(.95)}to{opacity:.1;transform:scale(1.05)}}@media (prefers-reduced-motion: reduce){.speed-ring.testing:after{animation:none;opacity:.07}.ring-progress{transition:none}}.go-button{position:relative;width:80px;height:80px;border-radius:50%;border:none;background:linear-gradient(135deg,#6366f126,#06b6d41a);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-smooth);outline:none;-webkit-tap-highlight-color:transparent}.go-button:before{content:"";position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;border-radius:50%;background:linear-gradient(135deg,var(--accent-indigo),var(--accent-cyan));z-index:-1;opacity:.5;transition:opacity var(--transition-fast)}.go-button:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:var(--bg-primary);z-index:-1}.go-button:hover{transform:scale(1.08) translateZ(0);box-shadow:0 0 20px var(--glow-indigo),0 0 40px var(--glow-cyan)}.go-button:hover:before{opacity:1}.go-button:active{transform:scale(.95)}.go-button:disabled{cursor:not-allowed;transform:none;opacity:.6}.go-button:disabled:hover{box-shadow:none}.go-text{font-family:var(--font-main);font-size:1.2rem;font-weight:800;letter-spacing:2px;color:var(--text-primary);z-index:2}.fuzed-results{display:flex;flex-direction:column;gap:1.2rem;width:100%;max-width:380px}.fuzed-card{display:flex;flex-direction:column;gap:.5rem;padding:1.2rem 1.5rem;background:#11182799;border:1px solid var(--border-subtle);border-radius:var(--radius-md);transition:all var(--transition-fast);position:relative;overflow:hidden}.fuzed-card.active{border-color:var(--border-active);background:#1e293bb3}.fuzed-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent-cyan);opacity:0;transition:opacity var(--transition-fast)}.fuzed-card.active:before{opacity:1}#card-ping.active:before{background:var(--accent-pink)}#card-download.active:before{background:var(--accent-cyan)}#card-upload.active:before{background:var(--accent-indigo)}.fuzed-title{font-size:.75rem;font-weight:700;letter-spacing:2px;color:var(--text-muted)}.fuzed-values{display:flex;align-items:baseline;gap:.4rem}.fuzed-primary,.fuzed-secondary{font-size:2.2rem;font-weight:800;letter-spacing:-1px;color:var(--text-primary);font-variant-numeric:tabular-nums}.fuzed-secondary{font-size:1.4rem;color:var(--text-secondary)}.fuzed-unit{font-size:.9rem;color:var(--text-secondary);font-weight:500}.fuzed-separator{margin:0 .5rem;color:var(--border-subtle);font-size:1.5rem}.dashboard-layout{display:flex;width:100%;max-width:1000px;gap:1.5rem;margin-top:2rem;flex-wrap:wrap}.dash-widget{flex:1;min-width:300px;background:#11182799;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;display:flex;flex-direction:column;gap:1.2rem}.widget-header{display:flex;align-items:center;gap:.8rem;color:var(--text-primary);border-bottom:1px solid var(--border-subtle);padding-bottom:.8rem}.widget-header svg{color:var(--accent-cyan)}.widget-header h3{font-size:1rem;font-weight:600;letter-spacing:.5px}.tips-list{padding-left:1.5rem;color:var(--text-secondary);font-size:.9rem;line-height:1.5;display:flex;flex-direction:column;gap:.5rem}.tips-list li{padding-left:.2rem}.tips-list li.warning{color:var(--accent-red)}.tips-list li.success{color:var(--accent-emerald)}.network-facts{display:flex;flex-direction:column;gap:.8rem;margin-top:auto;background:#0003;padding:1rem;border-radius:var(--radius-md)}.fact{display:flex;justify-content:space-between;align-items:center;font-size:.85rem}.fact-label{color:var(--text-muted)}.fact-value{color:var(--text-primary);font-weight:600}.chart-container{width:100%;height:200px;position:relative}.error-message{margin-top:1rem;padding:.8rem 1.5rem;background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--accent-red);border-radius:var(--radius-md);font-size:.9rem;text-align:center;max-width:400px;opacity:0;transform:translateY(-10px);pointer-events:none;transition:all var(--transition-fast)}.error-message.visible{opacity:1;transform:translateY(0)}.footer{padding:1rem 2rem;text-align:center;z-index:10;border-top:1px solid var(--border-subtle);background:#0a0e1ae6;margin-top:auto}.footer span{font-size:.75rem;color:var(--text-muted);font-weight:400}@media (max-width: 768px){.top-bar{padding:.8rem 1rem}.privacy-wrapper{padding:.4rem .6rem}.privacy-overlay{font-size:.7rem}.nav-label{font-size:.7rem;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.main-content{padding:1rem}.hero-section{flex-direction:column;gap:2rem}.speed-ring{width:min(320px,40vh);height:min(320px,40vh)}.speed-value{font-size:clamp(3rem,12vw,4.5rem)}.fuzed-results{max-width:100%}.fuzed-primary{font-size:1.8rem}.fuzed-secondary{font-size:1.2rem}.dash-widget{min-width:100%}}.see-more-container{width:100%;max-width:1000px;display:flex;flex-direction:column;align-items:center;gap:1.5rem;margin-top:1rem}.see-more-btn{background:transparent;border:1px solid var(--border-subtle);color:var(--text-secondary);font-family:var(--font-main);padding:.8rem 1.5rem;border-radius:var(--radius-xl);display:flex;align-items:center;gap:.5rem;font-size:.9rem;cursor:pointer;transition:all var(--transition-fast)}.see-more-btn:hover{background:#ffffff0d;color:var(--text-primary);border-color:var(--border-active)}.see-more-btn.open .see-more-icon{transform:rotate(180deg)}.see-more-icon{transition:transform var(--transition-fast)}.detailed-report{width:100%;overflow:hidden;transition:all var(--transition-smooth);opacity:1;max-height:2000px}.detailed-report.hidden{opacity:0;max-height:0;margin-top:-1.5rem;pointer-events:none}.detailed-report-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;width:100%}.detailed-widget{background:#11182799;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);display:flex;flex-direction:column;overflow:hidden}.detailed-widget-header{padding:1rem 1.2rem;border-bottom:1px solid var(--border-subtle);background:#0003}.detailed-widget-header h4{font-size:.9rem;color:var(--text-primary);font-weight:600}.detailed-widget-content{padding:1rem;display:flex;flex-direction:column;gap:.8rem}.detail-empty{color:var(--text-muted);font-size:.85rem;text-align:center;padding:2rem 0}.detail-row{display:flex;justify-content:space-between;align-items:center;background:#ffffff08;padding:.8rem 1rem;border-radius:var(--radius-md);font-size:.85rem;border:1px solid transparent;transition:border var(--transition-fast)}.detail-row:hover{border-color:#6366f133}.detail-label{color:var(--text-secondary);font-weight:500}.detail-value{color:var(--text-primary);font-weight:700;font-variant-numeric:tabular-nums}.detail-value-unit{font-weight:400;color:var(--text-muted);font-size:.75rem;margin-left:2px}