:root{--er-bg-dark: #121214;--er-bg-panel: #1e1e24;--er-primary: #f59e0b;--er-accent: #3b82f6;--er-text-main: #ffffff;--er-text-muted: #9ca3af;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:var(--er-text-main);background-color:var(--er-bg-dark);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background-image:radial-gradient(circle at 50% 50%,#2a2a35,#121214)}#root{width:100%;max-width:1280px;margin:0 auto;padding:2rem;text-align:center}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--er-bg-panel);cursor:pointer;transition:border-color .25s}button:hover{border-color:var(--er-primary)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}h1{font-size:3.2em;line-height:1.1}.container{display:flex;flex-direction:column;gap:2rem;align-items:center;justify-content:center}.card{background:var(--er-bg-panel);padding:2rem;border-radius:12px;box-shadow:0 4px 6px #0000004d;border:1px solid rgba(255,255,255,.05);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@keyframes pulse{0%{box-shadow:0 0 #f59e0bb3}70%{box-shadow:0 0 0 15px #f59e0b00}to{box-shadow:0 0 #f59e0b00}}.playing-pulse{animation:pulse 2s infinite}.app-container{width:100%}