body{font-family:Arial,sans-serif;line-height:1.6;margin:0;padding:0;background:#f5f5f5;color:#333}.container{max-width:800px;margin:0 auto;padding:20px}header{text-align:center;margin-bottom:30px}header h1{color:#2c3e50;margin-bottom:10px}.message-form,.message-list{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a;margin-bottom:20px}.message-form h2,.message-list h2{margin-top:0;color:#2c3e50;border-bottom:1px solid #eee;padding-bottom:10px}.message-form label,.message-list label{display:block;margin-bottom:5px;font-weight:700;color:#333}input,textarea{width:100%;padding:10px;margin-bottom:10px;margin-right:10px;border:1px solid #ddd;border-radius:4px;max-width:100%;font-size:16px;box-sizing:border-box}textarea{min-height:100px}button{background:#45a049;color:#fff;border:none;padding:10px 15px;border-radius:4px;cursor:pointer;font-size:16px}button:hover{background:#45a049}.delete-btn{background:#e74c3c;font-size:14px;padding:5px 10px}.delete-btn:hover{background:#c0392b}.message{border-bottom:1px solid #eee;padding:15px 0;position:relative}.message:last-child{border-bottom:none}.message-header{display:flex;justify-content:space-between;margin-bottom:5px}.message-header span{color:#7f8c8d;font-size:14px}.message p{margin:0}.admin-section{display:flex;bottom:0;left:0;right:0;width:100%;padding:15px;justify-content:center;align-items:center}.admin-login{display:flex;gap:10px;background:#f8f9fa;align-items:center;height:50px}.admin-login input{flex:1;margin-bottom:0}