:root{--bg-color: #242424;--text-color: rgba(255,255,255,.87);--card-bg: #1a1a1a;--input-bg: #242424;--input-color: #fff;--button-bg: #242424;--button-color: #fff;--button-border: #646cff;--font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, sans-serif}:root{--bg-color: #242424;--text-color: rgba(255,255,255,.87);--card-bg: #1a1a1a;--input-bg: #242424;--input-color: #fff;--button-bg: #242424;--button-color: #fff;--button-border: #646cff;--font-family: "Comic Sans MS", "Comic Sans", cursive}[data-theme=light]{--bg-color: #ffffff;--text-color: #213547;--card-bg: #f9f9f9;--input-bg: #fff;--input-color: #213547;--button-bg: #f9f9f9;--button-color: #213547;--button-border: #747bff}body{margin:0;min-width:320px;min-height:100vh;display:flex;justify-content:center;align-items:center;background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-family)}.app-container{text-align:center;max-width:800px;margin:0 auto;padding:2rem;position:relative}.dark-toggle{position:absolute;top:1rem;right:1rem;padding:.5em 1em;border-radius:8px;border:1px solid var(--button-border);background-color:var(--button-bg);color:var(--button-color);cursor:pointer;display:flex;align-items:center;justify-content:center}.tester-card{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;background-color:var(--card-bg);padding:1.5rem;border-radius:12px}.tester-input{padding:.5em;border-radius:6px;border:1px solid var(--button-border);background-color:var(--input-bg);color:var(--input-color);min-width:120px;font-family:var(--font-family)}.tester-button{padding:.6em 1.2em;border-radius:8px;border:1px solid transparent;font-size:1em;font-weight:500;background-color:var(--button-bg);color:var(--button-color);cursor:pointer;transition:border-color .25s;font-family:var(--font-family)}.tester-button:hover{border-color:var(--button-border)}.status-text{margin-top:1rem;font-size:1em;font-family:var(--font-family)}