:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root,[data-theme=light]{color-scheme:light;--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--bg-tertiary: #e0e0e0;--text-primary: #213547;--text-secondary: #666666;--text-tertiary: #999999;--border-color: #cccccc;--border-light: #e0e0e0;--button-bg: #f9f9f9;--button-bg-hover: #e9e9e9;--button-text: #213547;--card-bg: #ffffff;--card-border: #e0e0e0;--link-color: #646cff;--link-hover: #747bff;--info-bg: #fff3cd;--info-border: #ffc107;--info-text: #856404;--error-color: #dc3545;--selected-bg: #646cff;--selected-text: #ffffff;color:var(--text-primary);background-color:var(--bg-primary)}[data-theme=dark]{color-scheme:dark;--bg-primary: #242424;--bg-secondary: #1a1a1a;--bg-tertiary: #222222;--text-primary: rgba(255, 255, 255, .87);--text-secondary: rgba(255, 255, 255, .6);--text-tertiary: rgba(255, 255, 255, .4);--border-color: #444444;--border-light: #333333;--button-bg: #1a1a1a;--button-bg-hover: #2a2a2a;--button-text: rgba(255, 255, 255, .87);--card-bg: #222222;--card-border: #cccccc;--link-color: #646cff;--link-hover: #535bf2;--info-bg: #3d2f00;--info-border: #ffc107;--info-text: #ffd700;--error-color: #ff6b6b;--selected-bg: #ffffff;--selected-text: #222222;color:var(--text-primary);background-color:var(--bg-primary)}a{font-weight:500;color:var(--link-color);text-decoration:inherit}a:hover{color:var(--link-hover)}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--button-bg);color:var(--button-text);cursor:pointer;transition:all .25s}button:hover{border-color:var(--link-color);background-color:var(--button-bg-hover)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.centered-container{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background:var(--bg-secondary)}