@import"https://fonts.googleapis.com/css2?family=Heebo:wght@400;500;700&display=swap";:root{--primary-color: #007bff;--primary-color-hover: #0056b3;--background-color: #f8f9fa;--card-background: #ffffff;--text-color: #212529;--light-text-color: #6c757d;--border-color: #dee2e6;--shadow: 0 4px 6px rgba(0, 0, 0, .1);--border-radius: 8px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Heebo,sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.6}.container{max-width:800px;margin:2rem auto;padding:1rem}header{text-align:center;margin-bottom:2rem}header h1{font-size:2.5rem;color:var(--primary-color)}header p{font-size:1.1rem;color:var(--light-text-color)}.card{background-color:var(--card-background);border-radius:var(--border-radius);box-shadow:var(--shadow);padding:1.5rem;margin-bottom:1.5rem;border:1px solid var(--border-color)}.post-form h2,.messages-list h2{margin-bottom:1rem;border-bottom:2px solid var(--primary-color);padding-bottom:.5rem;display:inline-block}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}input[type=text],textarea{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:calc(var(--border-radius) / 2);font-family:inherit;font-size:1rem}textarea{min-height:100px;resize:vertical}input[type=text]:focus,textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #007bff40}button{background-color:var(--primary-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:calc(var(--border-radius) / 2);font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s ease-in-out;display:inline-block}button:hover{background-color:var(--primary-color-hover)}.message-card{display:flex;flex-direction:column}.message-content strong{display:block;margin-bottom:.5rem;font-size:1.1rem}.replies-section{border-top:1px solid var(--border-color);margin-top:1rem;padding-top:1rem}.replies-section h3{font-size:1rem;color:var(--light-text-color);margin-bottom:1rem}.reply-item{background-color:var(--background-color);padding:.75rem;border-radius:calc(var(--border-radius) / 2);margin-bottom:.5rem}.reply-item strong{font-weight:500}.reply-item p{margin-top:.25rem;margin-left:.5rem}.reply-form{display:flex;gap:.5rem;margin-top:1rem;align-items:center}.reply-form input{flex-grow:1}.reply-form button{padding:.5rem 1rem;font-size:.9rem;white-space:nowrap}@media (max-width: 600px){.reply-form{flex-direction:column;align-items:stretch}}