:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);--bg-dark: #0a0e27;--bg-card: rgba(255, 255, 255, .05);--bg-glass: rgba(255, 255, 255, .1);--text-primary: #ffffff;--text-secondary: #a0aec0;--text-muted: #718096;--accent-purple: #667eea;--accent-pink: #f093fb;--accent-cyan: #00f2fe;--accent-green: #43e97b;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 30px;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-dark);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 50%,rgba(102,126,234,.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(240,147,251,.1) 0%,transparent 50%),radial-gradient(circle at 40% 20%,rgba(0,242,254,.1) 0%,transparent 50%);animation:backgroundShift 20s ease infinite;z-index:-1}@keyframes backgroundShift{0%,to{opacity:1}50%{opacity:.8}}.ad-container{display:flex;justify-content:center;align-items:center;margin:var(--spacing-sm) auto}.ad-top{max-width:728px;height:90px;margin-top:var(--spacing-md)}.ad-placeholder{background:#ffffff08;border:2px dashed rgba(255,255,255,.1);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:var(--text-muted);font-size:.875rem}.ad-sidebar{display:none;width:160px;flex-shrink:0}.ad-vertical{height:600px}ins.adsbygoogle{background:#ffffff0d;border:1px dashed rgba(255,255,255,.2);position:relative;text-decoration:none;border-radius:var(--radius-sm)}ins.adsbygoogle:after{content:"Google Ads (Waiting for ID)";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--text-muted);font-size:.8em;font-family:monospace;pointer-events:none}.main-container{display:flex;gap:var(--spacing-lg);max-width:1100px;margin:0 auto;padding:var(--spacing-md)}.content-wrapper{flex:1;max-width:800px;margin:0 auto}.app-header{text-align:center;margin-bottom:var(--spacing-xl);animation:fadeInDown .8s ease;position:relative}.app-header h1{font-family:Outfit,sans-serif;font-size:3rem;font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-xs)}.subtitle{color:var(--text-secondary);font-size:1.125rem}.speed-test-card{background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:0 20px 60px #0000004d;animation:fadeInUp .8s ease}.server-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.server-label{display:flex;align-items:center;gap:var(--spacing-xs);font-weight:500;color:var(--text-secondary)}.icon{font-size:1.25rem}.btn-config{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-md);padding:var(--spacing-xs) var(--spacing-sm);font-size:1.25rem;cursor:pointer;transition:all var(--transition-fast)}.btn-config:hover{background:#fff3;transform:scale(1.05)}.gauge-container{text-align:center;margin:var(--spacing-xl) 0}.gauge{width:280px;height:auto;margin:0 auto}.gauge-bg{stroke:#ffffff1a}.gauge-progress{stroke:url(#gaugeGradient);stroke-dasharray:251.2;stroke-dashoffset:251.2;transition:stroke-dashoffset .5s ease;filter:drop-shadow(0 0 10px rgba(102,126,234,.5))}.gauge-value{font-family:Outfit,sans-serif;font-size:2.5rem;font-weight:700;fill:var(--text-primary);text-anchor:middle}.gauge-unit{font-size:1rem;fill:var(--text-secondary);text-anchor:middle}.gauge-label{margin-top:var(--spacing-sm);color:var(--text-secondary);font-size:.875rem;font-weight:500}.metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md);margin:var(--spacing-xl) 0}.metric-item{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm);transition:all var(--transition-normal)}.metric-item:hover{background:#ffffff14;transform:translateY(-2px)}.metric-icon{font-size:2rem}.metric-content{flex:1}.metric-label{color:var(--text-muted);font-size:.875rem;margin-bottom:.25rem}.metric-value{font-family:Outfit,sans-serif;font-size:1.25rem;font-weight:600;color:var(--text-primary)}.btn-test{width:100%;background:var(--primary-gradient);border:none;border-radius:var(--radius-lg);padding:var(--spacing-md) var(--spacing-xl);font-size:1.125rem;font-weight:600;color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);transition:all var(--transition-normal);box-shadow:0 10px 30px #667eea4d}.btn-test:hover{transform:translateY(-2px);box-shadow:0 15px 40px #667eea66}.btn-test:active{transform:translateY(0)}.btn-test.testing{background:var(--secondary-gradient);animation:pulse 2s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.progress-container{height:6px;background:#ffffff1a;border-radius:3px;margin-top:var(--spacing-md);overflow:hidden;opacity:0;transition:opacity var(--transition-normal)}.progress-container.active{opacity:1}.progress-bar{height:100%;background:var(--accent-gradient);width:0%;transition:width var(--transition-normal);box-shadow:0 0 10px #4facfe80}.history-section{margin-top:var(--spacing-xl);animation:fadeInUp 1s ease}.section-title{font-family:Outfit,sans-serif;font-size:1.5rem;font-weight:600;margin-bottom:var(--spacing-md)}.history-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.history-item{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);padding:var(--spacing-md);display:grid;grid-template-columns:repeat(7,1fr);gap:var(--spacing-xs);transition:all var(--transition-fast)}.history-item:hover{border-color:#667eea80;transform:translate(4px)}.history-metric{text-align:center;overflow:hidden;text-overflow:ellipsis}.history-metric-label{color:var(--text-muted);font-size:.75rem;margin-bottom:.25rem}.history-metric-value{font-weight:600;color:var(--text-primary)}.empty-state{text-align:center;padding:var(--spacing-xl);color:var(--text-muted)}.empty-icon{font-size:3rem;display:block;margin-bottom:var(--spacing-sm);opacity:.5}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease}.modal-overlay.active{display:flex}.modal-content{background:var(--bg-dark);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-xl);max-width:600px;width:90%;max-height:80vh;overflow-y:auto;animation:scaleIn .3s ease}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:1px solid rgba(255,255,255,.1)}.modal-header h2{font-family:Outfit,sans-serif;font-size:1.5rem}.btn-icon-only{background:#ffffff1a;border:none;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:1.25rem;cursor:pointer;transition:all var(--transition-fast);color:var(--text-primary)}.btn-icon-only:hover{background:#fff3;transform:scale(1.1)}.btn-close{background:#ffffff1a;border:none;border-radius:var(--radius-sm);width:36px;height:36px;font-size:1.25rem;color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast)}.btn-close:hover{background:#fff3;transform:rotate(90deg)}.modal-body{padding:var(--spacing-lg)}.server-section{margin-bottom:var(--spacing-xl)}.server-section h3{font-size:1.125rem;margin-bottom:var(--spacing-md);color:var(--text-secondary)}.server-list{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.server-item{background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:var(--radius-md);padding:var(--spacing-md);display:flex;justify-content:space-between;align-items:center;transition:all var(--transition-fast);cursor:pointer}.server-item:hover{background:#ffffff14}.server-item.active{border-color:var(--accent-purple);background:#667eea1a}.server-item-info{flex:1}.server-item-name{font-weight:600;margin-bottom:.25rem}.server-item-url{font-size:.875rem;color:var(--text-muted)}.btn-remove{background:#f5576c33;border:1px solid rgba(245,87,108,.3);border-radius:var(--radius-sm);padding:var(--spacing-xs) var(--spacing-sm);color:#f5576c;font-size:.875rem;cursor:pointer;transition:all var(--transition-fast)}.btn-remove:hover{background:#f5576c4d}.add-server-form{display:flex;flex-direction:column;gap:var(--spacing-sm)}.input-field{background:#ffffff0d;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-md);color:var(--text-primary);font-size:1rem;font-family:Inter,sans-serif;transition:all var(--transition-fast)}.input-field:focus{outline:none;border-color:var(--accent-purple);background:#ffffff14}.input-field::placeholder{color:var(--text-muted)}.btn-add{background:var(--success-gradient);border:none;border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-md);color:var(--text-primary);font-weight:600;cursor:pointer;transition:all var(--transition-normal)}.btn-add:hover{transform:translateY(-2px);box-shadow:0 10px 30px #43e97b4d}.empty-state-small{text-align:center;padding:var(--spacing-md);color:var(--text-muted);font-size:.875rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@media (min-width: 1200px){.ad-sidebar{display:block}}@media (max-width: 768px){.app-header h1{font-size:2rem}.speed-test-card{padding:var(--spacing-md)}.metrics-grid{grid-template-columns:1fr}.gauge{width:220px}.history-item{grid-template-columns:repeat(2,1fr);gap:var(--spacing-md)}.mobile-hide{display:none}.ad-top{height:auto;min-height:50px}.ad-placeholder{font-size:.75rem}}@media (max-width: 480px){.main-container{padding:var(--spacing-sm)}.app-header h1{font-size:1.75rem}.subtitle{font-size:1rem}.modal-content{width:95%}}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:#ffffff0d}::-webkit-scrollbar-thumb{background:#fff3;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#ffffff4d}