:root{--rtc-primary:var(--main-primary);--rtc-bg:#fff;--rtc-bg-secondary:#f8fafc;--rtc-text:#1e293b;--rtc-text-muted:#64748b;--rtc-border:#e2e8f0;--rtc-success:#10b981;--rtc-warning:#f59e0b;--rtc-danger:#ef4444;--rtc-shadow:0 1px 3px #0000000f}._rtc-container{flex-direction:column;gap:1rem;width:100%;max-width:800px;margin:0 auto;display:flex}._rtc-input-wrapper{background:var(--rtc-bg);border-style:solid;border-width:1px;border-color:var(--rtc-border);box-shadow:var(--rtc-shadow);border-radius:.75rem;overflow:hidden}._rtc-input-actions{border-top-style:solid;border-top-width:1px;border-top-color:var(--rtc-border);background:var(--rtc-bg-secondary);justify-content:flex-end;align-items:center;gap:.5rem;padding:.5rem .75rem;display:flex}._rtc-main-card{background:var(--rtc-bg);border-style:solid;border-width:1px;border-color:var(--rtc-border);box-shadow:var(--rtc-shadow);border-radius:.75rem;overflow:hidden}._rtc-speed-row{border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--rtc-border);background:var(--rtc-bg-secondary);justify-content:center;align-items:center;gap:1rem;padding:.75rem 1rem;display:flex}._rtc-speed-presets{gap:.25rem;display:flex}._rtc-speed-divider{background:var(--rtc-border);width:1px;height:24px}._rtc-custom-speed{align-items:center;gap:.375rem;display:flex}._rtc-result-display{background:linear-gradient(135deg,#6366f114 0%,#8b5cf614 100%);flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:2rem 1.5rem;display:flex;position:relative}._rtc-stats{flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;display:flex}._rtc-comparison{background:var(--rtc-bg);border-style:solid;border-width:1px;border-color:var(--rtc-border);box-shadow:var(--rtc-shadow);border-radius:.75rem;overflow:hidden}._rtc-footer{justify-content:center;padding-top:.5rem;display:flex}@media (max-width:768px){._rtc-container{padding-left:1rem;padding-right:1rem}._rtc-stats{gap:.375rem}}@media (max-width:480px){._rtc-result-display{padding:1.5rem 1rem}._rtc-speed-row{flex-wrap:wrap;gap:.75rem}._rtc-speed-divider{display:none}}._rtc-textarea{resize:none;width:100%;height:160px;color:var(--rtc-text);background:0 0;border:none;padding:1rem 1.25rem;font-family:inherit;font-size:1rem;line-height:1.6;overflow-y:auto}._rtc-textarea:focus{outline:none}._rtc-textarea::placeholder{color:var(--rtc-text-muted)}._rtc-preset{border-style:solid;border-width:1px;border-color:var(--rtc-border);background:var(--rtc-bg);color:var(--rtc-text-muted);cursor:pointer;border-radius:.5rem;align-items:center;gap:.375rem;padding:.5rem .75rem;font-size:.8125rem;font-weight:500;transition:all .2s;display:flex}._rtc-preset svg{width:14px;height:14px}._rtc-preset:hover{border-color:var(--rtc-primary);color:var(--rtc-primary)}._rtc-preset-active{background:var(--rtc-primary);border-color:var(--rtc-primary);color:#fff}._rtc-preset-active:hover{background:var(--rtc-primary);border-color:var(--rtc-primary);color:#fff;opacity:.9}._rtc-custom-input{border-style:solid;border-width:1px;border-color:var(--rtc-border);background:var(--rtc-bg);width:65px;color:var(--rtc-text);text-align:center;border-radius:.5rem;padding:.5rem;font-size:.875rem;font-weight:600;transition:border-color .2s}._rtc-custom-input:hover{border-color:var(--rtc-primary)}._rtc-custom-input:focus{border-color:var(--rtc-primary);outline:none}._rtc-custom-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}._rtc-custom-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}._rtc-unit{color:var(--rtc-text-muted);text-transform:uppercase;letter-spacing:.025em;font-size:.6875rem;font-weight:600}._rtc-btn{cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;gap:.375rem;transition:all .2s;display:flex}._rtc-btn svg{width:14px;height:14px}._rtc-btn-ghost{color:var(--rtc-text-muted);border-radius:.375rem;padding:.375rem .625rem;font-size:.75rem;font-weight:500}._rtc-btn-ghost:hover{color:var(--rtc-primary);background:#6366f114}._rtc-btn-ghost span{display:inline}._rtc-btn-danger-hover:hover{color:var(--rtc-danger);background:#ef444414}._rtc-btn-text{border-style:solid;border-width:1px;border-color:var(--rtc-border);background:var(--rtc-bg);color:var(--rtc-text-muted);cursor:pointer;box-shadow:var(--rtc-shadow);border-radius:.5rem;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.8125rem;font-weight:500;transition:all .2s;display:flex}._rtc-btn-text svg{width:14px;height:14px}._rtc-btn-text:hover{color:var(--rtc-primary);border-color:var(--rtc-primary)}._rtc-result-label{color:var(--rtc-primary);text-transform:uppercase;letter-spacing:.1em;font-size:.6875rem;font-weight:600}._rtc-result-time{color:var(--rtc-text);font-size:3rem;font-weight:800;font-family:var(--main-font-mono);letter-spacing:-.02em;line-height:1}._rtc-result-unit{color:var(--rtc-text-muted);font-size:1.25rem;font-weight:600}._rtc-copy-corner{width:1.75rem;height:1.75rem;color:var(--rtc-text-muted);cursor:pointer;opacity:.6;background:0 0;border:none;border-radius:.375rem;justify-content:center;align-items:center;transition:all .2s;display:flex;position:absolute;top:.75rem;right:.75rem}._rtc-copy-corner svg{width:12px;height:12px}._rtc-copy-corner:hover{color:var(--rtc-primary);opacity:1;background:#6366f11a}._rtc-stat-pill{background:var(--rtc-bg);border-style:solid;border-width:1px;border-color:var(--rtc-border);box-shadow:var(--rtc-shadow);border-radius:2rem;align-items:center;gap:.375rem;padding:.5rem .75rem;display:flex}._rtc-stat-pill svg{width:14px;height:14px;color:var(--rtc-primary);flex-shrink:0}._rtc-stat-value{color:var(--rtc-text);font-size:.9375rem;font-weight:700;font-family:var(--main-font-mono);line-height:1}._rtc-stat-label{color:var(--rtc-text-muted);text-transform:uppercase;letter-spacing:.02em;font-size:.6875rem;font-weight:500}._rtc-comparison-header{background:var(--rtc-bg-secondary);border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--rtc-border);align-items:center;gap:.5rem;padding:.75rem 1rem;display:flex}._rtc-comparison-header svg{width:16px;height:16px;color:var(--rtc-primary)}._rtc-comparison-header span{color:var(--rtc-text);font-size:.8125rem;font-weight:600}._rtc-comparison-list{padding:.5rem}._rtc-comparison-item{border-radius:.5rem;align-items:center;gap:.75rem;padding:.75rem;transition:background .15s;display:flex}._rtc-comparison-item:hover{background:var(--rtc-bg-secondary)}._rtc-comparison-icon{background:var(--rtc-bg-secondary);width:28px;height:28px;color:var(--rtc-text-muted);border-radius:.375rem;flex-shrink:0;justify-content:center;align-items:center;display:flex}._rtc-comparison-icon svg{width:14px;height:14px}._rtc-comparison-name{color:var(--rtc-text);flex:1;font-size:.875rem;font-weight:500}._rtc-comparison-speed{color:var(--rtc-text-muted);font-size:.75rem}._rtc-comparison-time{color:var(--rtc-text);font-size:.875rem;font-weight:600;font-family:var(--main-font-mono);text-align:right;min-width:80px}@media (max-width:768px){._rtc-textarea{height:140px}._rtc-result-time{font-size:2.25rem}._rtc-result-unit{font-size:1rem}._rtc-stat-pill{padding:.375rem .625rem}._rtc-stat-value{font-size:.875rem}._rtc-stat-label,._rtc-comparison-speed,._rtc-btn-ghost span,._rtc-preset span{display:none}._rtc-preset{padding:.5rem}}@media (max-width:480px){._rtc-comparison-item{gap:.5rem;padding:.625rem}._rtc-comparison-name{font-size:.8125rem}._rtc-comparison-time{min-width:70px;font-size:.8125rem}._rtc-result-time{font-size:2rem}}