:root{--ios-blue: #007AFF;--ios-blue-light: #0A84FF;--ios-green: #34C759;--ios-red: #FF3B30;--ios-orange: #FF9500;--ios-yellow: #FFCC00;--ios-purple: #AF52DE;--ios-bg: #F2F2F7;--ios-card-bg: #FFFFFF;--ios-separator: rgba(60, 60, 67, .12);--ios-text: #000000;--ios-text-secondary: #3C3C43;--ios-text-tertiary: #8E8E93;--ios-shadow: 0 1px 3px rgba(0, 0, 0, .08);--ios-shadow-lg: 0 4px 12px rgba(0, 0, 0, .1);--ios-radius: 12px;--ios-radius-lg: 16px;--ios-font: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:var(--ios-font);background:var(--ios-bg);color:var(--ios-text);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#0003;border-radius:3px}*{scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.2) transparent}.app-container{max-width:680px;margin:0 auto;padding:16px 16px 100px;-webkit-overflow-scrolling:touch}.app-header{text-align:center;padding:24px 16px;margin-bottom:16px}.app-header h1{font-size:28px;font-weight:700;color:var(--ios-text);margin-bottom:4px;letter-spacing:-.5px}.app-header p{font-size:15px;color:var(--ios-text-secondary)}.lang-switcher{display:flex;justify-content:center;gap:8px;margin-bottom:16px}.lang-btn{padding:8px 16px;border-radius:20px;border:1px solid var(--ios-separator);background:var(--ios-card-bg);font-size:14px;font-weight:500;color:var(--ios-text);cursor:pointer;transition:all .2s ease}.lang-btn.active{background:var(--ios-blue);color:#fff;border-color:var(--ios-blue)}.ios-card{background:var(--ios-card-bg);border-radius:var(--ios-radius-lg);padding:20px;margin-bottom:16px;box-shadow:var(--ios-shadow)}.card-title{font-size:13px;font-weight:600;color:var(--ios-text-tertiary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--ios-separator)}.section-title{font-size:15px;font-weight:600;color:var(--ios-text);margin-bottom:12px}.client-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.client-btn{padding:14px 16px;background:var(--ios-bg);border:none;border-radius:var(--ios-radius);font-size:15px;font-weight:500;color:var(--ios-blue);cursor:pointer;transition:all .2s ease;text-align:center}.client-btn:active{transform:scale(.97);background:#e5e5ea}.client-btn.selected{background:var(--ios-blue);color:#fff}.form-group{margin-bottom:16px}.form-label{display:block;font-size:15px;font-weight:500;color:var(--ios-text);margin-bottom:8px}.form-hint{font-size:12px;color:var(--ios-text-tertiary);margin-top:6px}.ios-input{width:100%;padding:12px 16px;background:var(--ios-bg);border:none;border-radius:var(--ios-radius);font-size:16px;font-family:var(--ios-font);color:var(--ios-text);outline:none;transition:all .2s ease}.ios-input:focus{background:#e5e5ea}.ios-input::placeholder{color:var(--ios-text-tertiary)}.ios-select{width:100%;padding:12px 40px 12px 16px;background:var(--ios-bg);border:none;border-radius:var(--ios-radius);font-size:16px;font-family:var(--ios-font);color:var(--ios-text);cursor:pointer;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238E8E93' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}.ios-toggle{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--ios-separator)}.ios-toggle:last-child{border-bottom:none}.ios-toggle-label{font-size:15px;color:var(--ios-text);flex:1}.toggle-switch{position:relative;width:51px;height:31px;flex-shrink:0}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#e5e5ea;border-radius:31px;transition:.3s}.toggle-slider:before{position:absolute;content:"";height:27px;width:27px;left:2px;bottom:2px;background-color:#fff;border-radius:50%;transition:.3s;box-shadow:0 2px 4px #0003}.toggle-switch input:checked+.toggle-slider{background-color:var(--ios-green)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(20px)}.toggle-with-hint{display:flex;flex-direction:column;padding:12px 0;border-bottom:1px solid var(--ios-separator)}.toggle-with-hint:last-child{border-bottom:none}.toggle-row{display:flex;align-items:center;justify-content:space-between}.toggle-hint{font-size:12px;color:var(--ios-text-tertiary);margin-top:4px}.checkbox-group{display:flex;flex-direction:column;gap:4px}.checkbox-item{display:flex;align-items:center;padding:8px 0}.checkbox-item input[type=checkbox]{width:22px;height:22px;margin-right:12px;accent-color:var(--ios-blue)}.checkbox-item label{font-size:15px;color:var(--ios-text);cursor:pointer}.status-panel{background:var(--ios-bg);border-radius:var(--ios-radius);padding:16px}.status-item{display:flex;justify-content:space-between;align-items:center;padding:8px 0;font-size:14px}.status-item:not(:last-child){border-bottom:1px solid var(--ios-separator)}.status-label{color:var(--ios-text-secondary)}.status-value{color:var(--ios-text);font-weight:500}.status-value.success{color:var(--ios-green)}.status-value.warning{color:var(--ios-orange)}.status-value.error{color:var(--ios-red)}.latency-section{background:var(--ios-bg);border-radius:var(--ios-radius);padding:16px;margin-top:12px}.latency-header{display:flex;align-items:center;gap:8px;margin-bottom:12px}.latency-icon{font-size:18px}.latency-title{font-size:15px;font-weight:600}.latency-controls{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.latency-input-group{flex:1;min-width:100px}.latency-input-group label{display:block;font-size:12px;color:var(--ios-text-tertiary);margin-bottom:4px}.latency-input{width:100%;padding:10px 12px;background:#fff;border:none;border-radius:8px;font-size:14px;outline:none}.latency-buttons{display:flex;gap:8px;margin-bottom:12px}.ios-btn{padding:12px 20px;border-radius:var(--ios-radius);font-size:15px;font-weight:500;cursor:pointer;border:none;transition:all .2s ease;flex:1}.ios-btn:active{transform:scale(.97)}.ios-btn-primary{background:var(--ios-blue);color:#fff}.ios-btn-secondary{background:#e5e5ea;color:var(--ios-text)}.ios-btn-danger{background:var(--ios-red);color:#fff}.ios-btn-success{background:var(--ios-green);color:#fff}.latency-results{max-height:300px;overflow-y:auto;-webkit-overflow-scrolling:touch}.latency-result-item{display:flex;align-items:center;padding:10px 12px;background:#fff;border-radius:8px;margin-bottom:6px;gap:10px}.latency-result-item input[type=checkbox]{width:20px;height:20px;accent-color:var(--ios-blue)}.latency-result-info{flex:1;font-size:14px}.latency-result-ip{color:var(--ios-text)}.latency-result-latency{color:var(--ios-green);font-weight:600;margin-left:8px}.latency-actions{display:flex;gap:8px;margin-top:12px}.action-bar{position:fixed;bottom:0;left:0;right:0;background:#fffffff2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom));display:flex;gap:10px;box-shadow:0 -1px 0 var(--ios-separator);z-index:100}.action-bar .ios-btn{flex:1}.toast{position:fixed;top:20px;left:50%;transform:translate(-50%);background:#000c;color:#fff;padding:12px 20px;border-radius:25px;font-size:14px;font-weight:500;z-index:1000;animation:toast-in .3s ease}.toast.success{background:var(--ios-green)}.toast.error{background:var(--ios-red)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(-20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.subscription-url{margin-top:16px;padding:12px 16px;background:var(--ios-bg);border-radius:var(--ios-radius);font-size:13px;color:var(--ios-text-secondary);word-break:break-all;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,monospace}.divider{height:1px;background:var(--ios-separator);margin:16px 0}.kv-status{padding:12px 16px;border-radius:var(--ios-radius);font-size:14px;margin-bottom:16px}.kv-status.ok{background:#34c75926;color:var(--ios-green)}.kv-status.warning{background:#ff950026;color:var(--ios-orange)}.kv-status.error{background:#ff3b3026;color:var(--ios-red)}.protocol-section{background:var(--ios-bg);border-radius:var(--ios-radius);padding:16px}[dir=rtl] .lang-switcher,[dir=rtl] .ios-toggle{flex-direction:row-reverse}[dir=rtl] .toggle-switch{transform:scaleX(-1)}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--ios-text-tertiary)}@media (max-width: 380px){.app-container{padding:12px 12px 100px}.client-grid{grid-template-columns:repeat(2,1fr);gap:8px}.client-btn{padding:12px 10px;font-size:14px}}.url-input-group{display:flex;gap:8px}.url-input-group .ios-input{flex:1}.ios-link{color:var(--ios-blue);text-decoration:none;font-size:14px}.ios-link:active{opacity:.7}.tag{display:inline-block;padding:4px 10px;background:var(--ios-bg);border-radius:12px;font-size:12px;color:var(--ios-text-secondary)}.region-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.region-btn{padding:10px 8px;background:var(--ios-bg);border:none;border-radius:8px;font-size:13px;color:var(--ios-text);cursor:pointer;transition:all .2s ease;text-align:center}.region-btn:active{transform:scale(.97)}.region-btn.selected{background:var(--ios-blue);color:#fff}.copy-btn{padding:8px 16px;background:var(--ios-blue);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer}.copy-btn:active{opacity:.8}.sub-link-card{background:var(--ios-bg);border-radius:var(--ios-radius);padding:16px;margin-top:12px}.sub-link-url{font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px;color:var(--ios-text);word-break:break-all;margin-bottom:12px;padding:12px;background:#fff;border-radius:8px;overflow-x:auto;-webkit-overflow-scrolling:touch}