@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}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:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary-color: #007bff;--secondary-color: #6c757d;--background-color: #f0f2f5;--text-color: #212529;--border-color: #dee2e6;--white-color: #ffffff;--error-color: #dc3545;--container-bg: rgba(255, 255, 255, .85);--background-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%)}[data-theme=dark]{--primary-color: #0d6efd;--secondary-color: #adb5bd;--background-color: #121212;--text-color: #f8f9fa;--border-color: #495057;--white-color: #212529;--error-color: #ff6b6b;--container-bg: rgba(33, 37, 41, .85);--background-gradient: linear-gradient(135deg, #232526 0%, #414345 100%)}body{font-family:Inter,sans-serif;color:var(--text-color);margin:0;display:flex;justify-content:center;align-items:center;min-height:100vh;background:var(--background-gradient);transition:background .3s ease,color .3s ease;padding:2rem;box-sizing:border-box}.container{max-width:1200px;padding:3rem;background-color:var(--container-bg);border-radius:24px;box-shadow:0 8px 32px #1f26875e;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.18);position:relative}header{text-align:center;margin-bottom:3rem;padding:0 40px}h1{font-size:3.5rem;font-weight:700;color:var(--primary-color);margin:0}p{font-size:1.25rem;color:var(--secondary-color);margin-top:.5rem}.app{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.textarea-group{position:relative;width:100%;display:flex;flex-direction:column}textarea{width:100%;height:300px;padding:1rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;resize:vertical;box-sizing:border-box;box-shadow:0 2px 4px #0000000d;transition:all .3s ease;background-color:var(--white-color);color:var(--text-color)}textarea::placeholder{font-style:italic;color:var(--secondary-color);opacity:.7}textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #007bff40}.button-group{display:flex;justify-content:center;gap:1rem;margin-top:1.5rem;grid-column:1 / -1}button{padding:.85rem 2rem;font-size:1rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 6px #0000001a}.dark-mode-toggle{box-shadow:none}.dark-mode-toggle:focus{outline:none}.formalize-button{background-color:var(--primary-color);color:var(--white-color)}.formalize-button:hover{background-color:#0056b3;transform:translateY(-2px)}.copy-button{background-color:var(--secondary-color);color:var(--white-color)}.copy-button:hover{background-color:#5a6268;transform:translateY(-2px)}.clear-button{background-color:var(--error-color);color:var(--white-color)}.clear-button:hover{background-color:#a72c3a;transform:translateY(-2px)}.char-count{font-size:.875rem;color:var(--secondary-color);text-align:right;margin-top:.5rem}.error-message{color:var(--error-color);text-align:center;margin-top:1rem;grid-column:1 / -1}@media (max-width: 768px){.app{display:flex;flex-direction:column}.app>.error-message{order:4}h1{font-size:2.5rem}p{font-size:1rem}.container{padding:1rem;box-sizing:border-box}.dark-mode-toggle{top:10px;right:10px}.app>.textarea-group:nth-child(1){order:1}.app>.button-group{order:2}.app>.textarea-group:nth-child(2){order:3}.button-group{margin-top:0}}.dark-mode-toggle{position:absolute;top:20px;right:20px;background:none;border:none;cursor:pointer;font-size:1.5rem;color:var(--text-color);transition:color .3s ease}.dark-mode-toggle:hover{color:var(--primary-color)}