*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:#1c1c1c;background-color:#dae0e6;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}a{color:#0079d3;text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit;font-size:inherit}.navbar{background:#fff;border-bottom:1px solid #edeff1;padding:0 16px}.navbar-inner{justify-content:space-between;align-items:center;max-width:780px;height:48px;margin:0 auto;display:flex}.navbar-brand{color:#1a1a1b;font-size:1.25rem;font-weight:700;text-decoration:none}.navbar-brand:hover{color:#0079d3;text-decoration:none}.navbar-auth{align-items:center;gap:12px;display:flex}.navbar-user{color:#1a1a1b;font-size:.875rem;font-weight:500}.navbar-btn{padding:4px 16px;font-size:.8125rem}.page{max-width:780px;margin:0 auto;padding:20px 16px}.page-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.page-header h1{color:#1a1a1b;font-size:1.5rem}.btn{text-align:center;border:none;border-radius:9999px;padding:8px 20px;font-size:.875rem;font-weight:700;text-decoration:none;transition:background-color .15s;display:inline-block}.btn-primary{color:#fff;background-color:#0079d3}.btn-primary:hover{background-color:#006cbd;text-decoration:none}.btn-primary:disabled{cursor:not-allowed;background-color:#a0c4e8}.btn-secondary{color:#0079d3;background-color:#0000;border:1px solid #0079d3;border-radius:9999px;padding:7px 19px;font-size:.875rem;font-weight:700}.btn-secondary:hover{background-color:#e8f0fe}.btn-link{color:#878a8c;text-transform:uppercase;letter-spacing:.5px;background:0 0;border:none;padding:4px 8px;font-size:.75rem;font-weight:700}.btn-link:hover{color:#1a1a1b;background-color:#e8e8e8;border-radius:4px}.btn-danger{color:#d93025}.btn-danger:hover{color:#d93025;background-color:#fce8e6}.chat-list{flex-direction:column;gap:8px;display:flex}.chat-card{background:#fff;border:1px solid #ccc;border-radius:4px;padding:12px 16px;transition:border-color .15s}.chat-card:hover{border-color:#898989}.chat-card-main{flex-direction:column;gap:4px;display:flex}.chat-card .chat-title{color:#1a1a1b;font-size:1.1rem;font-weight:600}.chat-card .chat-title:hover{color:#0079d3;text-decoration:none}.chat-meta{color:#787c7e;flex-wrap:wrap;gap:8px;font-size:.75rem;display:flex}.chat-meta .chat-author{color:#1a1a1b;font-weight:500}.pagination{justify-content:center;align-items:center;gap:16px;margin-top:20px;padding:12px 0;display:flex}.pagination button{color:#0079d3;background:0 0;border:1px solid #0079d3;border-radius:9999px;padding:6px 16px;font-size:.875rem;font-weight:700}.pagination button:disabled{color:#ccc;cursor:not-allowed;border-color:#ccc}.pagination button:not(:disabled):hover{background-color:#e8f0fe}.page-info{color:#787c7e;font-size:.875rem}.back-link{color:#0079d3;margin-bottom:12px;font-size:.875rem;display:inline-block}.intro-post.card{background:#fff;border:1px solid #ccc;border-radius:4px;margin-bottom:16px;padding:16px 20px}.intro-post .chat-title{color:#1a1a1b;margin-bottom:8px;font-size:1.3rem}.post-meta{color:#787c7e;gap:8px;margin-bottom:12px;font-size:.75rem;display:flex}.post-meta .post-author{color:#1a1a1b;font-weight:500}.post-body,.reply-body{color:#1c1c1c;font-size:.9375rem;line-height:1.6}.markdown-body p{margin-bottom:.5em}.markdown-body p:last-child{margin-bottom:0}.markdown-body code{background:#f6f7f8;border-radius:3px;padding:2px 6px;font-size:.85em}.markdown-body pre{background:#f6f7f8;border-radius:4px;margin:8px 0;padding:12px;overflow-x:auto}.markdown-body pre code{background:0 0;padding:0}.markdown-body blockquote{color:#787c7e;border-left:3px solid #ccc;margin:8px 0;padding-left:12px}.markdown-body ul,.markdown-body ol{margin:8px 0;padding-left:24px}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin:12px 0 6px}.post-actions,.reply-actions{gap:4px;margin-top:8px;display:flex}.replies-section{background:#fff;border:1px solid #ccc;border-radius:4px;padding:16px 20px}.replies-section h2{color:#1a1a1b;text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px;font-size:.875rem}.no-replies{color:#787c7e;font-size:.875rem;font-style:italic}.reply-node{margin-top:8px;display:flex;position:relative}.reply-thread-line{cursor:pointer;background-color:#edeff1;border-radius:1px;width:2px;position:absolute;top:0;bottom:0;left:0}.reply-thread-line:hover{background-color:#0079d3}.reply-content{flex:1;min-width:0;padding-left:16px}.reply-meta{color:#787c7e;gap:8px;margin-bottom:4px;font-size:.75rem;display:flex}.reply-meta .reply-author{color:#1a1a1b;font-weight:500}.reply-children{margin-left:4px}.deleted .reply-author,.deleted .post-author,.intro-post.deleted .chat-title{color:#a5a5a5}.deleted .reply-body,.deleted .post-body{color:#a5a5a5;font-style:italic}.inline-form{flex-direction:column;gap:8px;margin-top:8px;display:flex}.inline-form textarea{resize:vertical;border:1px solid #edeff1;border-radius:4px;width:100%;min-height:60px;padding:10px 12px;font-family:inherit;font-size:.875rem;line-height:1.5}.inline-form textarea:focus{border-color:#0079d3;outline:none}.inline-form-actions{gap:8px;display:flex}.inline-form-actions button{border-radius:9999px;padding:4px 16px;font-size:.75rem;font-weight:700}.inline-form-actions button:first-child{color:#fff;background-color:#0079d3;border:none}.inline-form-actions button:first-child:hover{background-color:#006cbd}.inline-form-actions button:first-child:disabled{cursor:not-allowed;background-color:#a0c4e8}.chat-form{background:#fff;border:1px solid #ccc;border-radius:4px;padding:20px}.form-group{margin-bottom:16px}.form-group label{color:#1a1a1b;margin-bottom:6px;font-size:.875rem;font-weight:600;display:block}.form-group input[type=text]{border:1px solid #edeff1;border-radius:4px;width:100%;padding:10px 12px;font-family:inherit;font-size:.9375rem}.form-group input[type=text]:focus{border-color:#0079d3;outline:none}.form-group textarea{resize:vertical;border:1px solid #edeff1;border-radius:4px;width:100%;padding:10px 12px;font-family:inherit;font-size:.9375rem;line-height:1.5}.form-group textarea:focus{border-color:#0079d3;outline:none}.form-actions{gap:12px;display:flex}.loading{text-align:center;color:#787c7e;padding:40px;font-size:.9375rem}.error-message{color:#d93025;background:#fce8e6;border-radius:4px;margin-bottom:16px;padding:12px 16px;font-size:.875rem}.empty-state{text-align:center;background:#fff;border:1px solid #ccc;border-radius:4px;padding:60px 20px}.empty-state h2{color:#1a1a1b;margin-bottom:8px;font-size:1.25rem}.empty-state p{color:#787c7e}.not-found{text-align:center;padding:60px 20px}.not-found h2{margin-bottom:8px;font-size:1.5rem}.not-found p{color:#787c7e;margin-bottom:16px}@media (width<=640px){.page{padding:12px 8px}.intro-post.card,.replies-section,.chat-form{padding:12px}.page-header h1{font-size:1.25rem}}