:root{--primary:#4a6fa5;--secondary:#166088;--accent:#4fc3f7;--background:#f9f9f9;--text:#333;--error:#e53935;--success:#43a047}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text);background-color:var(--background);margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6}header{background-color:var(--primary);color:#fff;text-align:center;padding:1.5rem}header h1{margin-bottom:.5rem}main{max-width:800px;margin:2rem auto;padding:0 1rem}footer{text-align:center;background-color:var(--primary);color:#fff;margin-top:2rem;padding:1.5rem}.paste-pad{background-color:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 10px rgba(0,0,0,.1)}.pad-header{margin-bottom:1.5rem}.paste-content textarea{resize:vertical;border:1px solid #ddd;border-radius:4px;width:100%;min-height:300px;padding:.8rem;font-family:Courier New,Courier,monospace;font-size:16px}.paste-content textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px rgba(79,195,247,.2)}.actions{margin-top:1.5rem}button{background-color:var(--secondary);color:#fff;cursor:pointer;border:none;border-radius:4px;padding:.6rem 1.2rem;font-size:16px;transition:background-color .2s}button:hover{background-color:var(--primary)}button:disabled{cursor:not-allowed;background-color:#ccc}.paste-url{margin-top:1.5rem}.url-display{margin-top:.5rem;margin-bottom:1rem;display:flex}.url-display input{border:1px solid #ddd;border-radius:4px 0 0 4px;flex:1;padding:.6rem;font-size:14px}.url-display button{border-radius:0 4px 4px 0}.error-message{border-left:4px solid var(--error);color:var(--error);background-color:rgba(229,57,53,.1);border-radius:0 4px 4px 0;margin-top:1rem;padding:.8rem}