:root{--font-main: Arial, sans-serif;--color-bg: #f9f9f9;--color-text: #333;--color-container-bg: #ffffff;--color-border: #ccc;--color-primary: #4f46e5;--color-primary-dark: #3730a3;--radius: 6px;--shadow: 0 2px 8px rgba(0, 0, 0, .1)}*,*:before,*:after{box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--color-bg);margin:0;padding:2rem;color:var(--color-text)}header{display:flex;align-items:center;gap:1rem}img{width:40px;cursor:pointer}.container{max-width:720px;margin:auto;padding:2rem;background:var(--color-container-bg);border-radius:8px;box-shadow:var(--shadow)}textarea{width:100%;max-width:100%;min-height:150px;padding:1rem;font-size:1rem;border-radius:var(--radius);border:1px solid var(--color-border);resize:vertical;overflow:auto;font-family:var(--font-main)}button{background-color:var(--color-primary);color:#fff;padding:.6rem 1.4rem;font-size:1rem;border:none;border-radius:var(--radius);cursor:pointer;margin-top:1rem}button:hover{background-color:var(--color-primary-dark)}select{margin-top:1rem;padding:.4rem;font-size:1rem}.summary-box{margin-top:2rem;padding:1rem;border:1px solid var(--color-border);border-radius:8px;position:relative;background:#f3f4f6;white-space:pre-wrap}.copy-button{position:absolute;top:10px;right:10px;background:none;border:none;cursor:pointer;font-size:1.2rem;opacity:.6;transition:opacity .2s ease;color:#666}.copy-button:after{content:"📄"}.copy-button.copied:after{content:"✔️"}footer{display:flex;margin-top:2rem}.social-div{justify-content:space-around;line-height:1.5rem}a{text-decoration:none;margin-right:1rem}.icons{transition:transform .3s ease-in-out}.icons:hover{transform:rotate(360deg) scale(1.2);fill:var(--blue-catchy)}.copyright{font-size:.8rem}