*{margin:0;padding:0;box-sizing:border-box}:root{--terracotta: #c15f3c;--gray: #b1ada1;--off-white: #f4f3ee;--white: #ffffff;--text: #333333;--text-light: #666666}body{font-family:SF Mono,Monaco,Inconsolata,Fira Mono,monospace;background-color:var(--off-white);color:var(--text);line-height:1.5;min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;justify-content:space-between;align-items:center;padding:24px 48px;border-bottom:1px solid var(--gray);background:var(--white);position:relative}.header-left{display:flex;align-items:center;gap:16px}.logo{font-size:20px;font-weight:600;color:#c15f3c;letter-spacing:-.5px}.logo-img{height:40px;width:auto;object-fit:contain}.tagline{font-size:12px;color:var(--gray)}.header-center{position:absolute;left:50%;transform:translate(-50%)}.ca-text{font-size:13px;color:var(--gray);letter-spacing:.5px}.header-right{display:flex;align-items:center;gap:16px}.username{font-size:13px;color:var(--text-light)}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:13px}.btn-primary{background:var(--terracotta);color:var(--white);padding:8px 16px}.btn-primary:hover{opacity:.9}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{border:1px solid var(--text);padding:8px 16px;color:var(--text)}.btn-secondary:hover{background:var(--text);color:var(--white)}.btn-text{color:var(--text-light);padding:8px;text-decoration:none;font-size:13px}.btn-text:hover{color:var(--text)}.btn-close{font-size:16px;color:var(--gray)}.btn-close:hover{color:var(--text)}.main{flex:1;padding:48px;max-width:1200px;margin:0 auto;width:100%}.filter-tabs{display:flex;gap:8px;margin-bottom:32px}.filter-tabs button{color:var(--gray);padding:4px 8px}.filter-tabs button.active{color:var(--terracotta)}.filter-tabs button:hover{color:var(--text)}.listings-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}.listing-card{background:var(--white);border:1px solid var(--gray);cursor:pointer;transition:border-color .2s}.listing-card:hover{border-color:var(--terracotta)}.listing-image{aspect-ratio:1;overflow:hidden;background:var(--off-white);display:flex;align-items:center;justify-content:center}.listing-image img{width:100%;height:100%;object-fit:cover}.listing-image.placeholder{background:var(--off-white)}.listing-image.placeholder span{font-size:48px;color:var(--gray)}.listing-info{padding:16px}.listing-type-badge{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--terracotta);margin-bottom:8px}.listing-title{font-size:14px;font-weight:500;margin-bottom:8px;color:var(--text)}.listing-price{font-size:13px;color:var(--text);margin-bottom:4px}.listing-seller{font-size:12px;color:var(--gray)}.loading,.empty{text-align:center;padding:48px;color:var(--gray);font-size:14px}.footer{padding:24px 48px;text-align:center;border-top:1px solid var(--gray);background:var(--white)}.footer p{font-size:11px;color:var(--gray)}.modal-overlay{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;padding:24px;z-index:100}.modal{background:var(--white);width:100%;max-width:400px;padding:32px}.modal-large{max-width:500px}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.modal-header h2{font-size:16px;font-weight:500}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:12px;color:var(--text-light);margin-bottom:6px}.form-group input,.form-group textarea{width:100%;padding:10px 12px;font-family:inherit;font-size:14px;border:1px solid var(--gray);background:var(--white)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--terracotta)}.form-group textarea{resize:vertical;min-height:80px}.form-row{display:flex;gap:16px;margin-bottom:16px}.radio-label{display:flex;align-items:center;gap:6px;font-size:13px;cursor:pointer}.radio-label input{accent-color:var(--terracotta)}.file-upload{display:flex;flex-direction:column;gap:12px}.file-input{width:100%;padding:10px 12px;font-family:inherit;font-size:14px;border:1px solid var(--gray);background:var(--white);cursor:pointer}.file-input::-webkit-file-upload-button{padding:6px 12px;margin-right:12px;font-family:inherit;font-size:12px;background:var(--off-white);border:1px solid var(--gray);cursor:pointer}.file-input::-webkit-file-upload-button:hover{background:var(--gray);color:var(--white)}.image-preview{position:relative;width:120px;height:90px;border:1px solid var(--gray)}.image-preview img{width:100%;height:100%;object-fit:cover}.btn-remove{position:absolute;top:4px;right:4px;width:20px;height:20px;font-size:12px;line-height:1;background:var(--white);border:1px solid var(--gray);cursor:pointer}.btn-remove:hover{background:var(--terracotta);color:var(--white);border-color:var(--terracotta)}.error{color:#c15f3c;font-size:13px;margin-bottom:16px}.success{color:#3c8c5f;font-size:13px;margin-bottom:16px}.auth-switch{margin-top:24px;font-size:13px;color:var(--text-light);text-align:center}.auth-switch button{color:var(--terracotta);text-decoration:underline}.listing-detail-content{max-height:70vh;overflow-y:auto}.listing-detail-image{aspect-ratio:16/9;overflow:hidden;margin-bottom:24px;background:var(--off-white)}.listing-detail-image img{width:100%;height:100%;object-fit:cover}.listing-detail-title{font-size:18px;font-weight:500;margin-bottom:8px}.listing-detail-seller{font-size:13px;color:var(--gray);margin-bottom:16px}.listing-detail-description{font-size:14px;color:var(--text-light);margin-bottom:24px;line-height:1.6}.listing-detail-price{display:flex;gap:8px;margin-bottom:8px;font-size:14px}.price-label{color:var(--text-light)}.price-value{font-weight:500}.listing-detail-wallet{display:flex;gap:8px;margin-bottom:8px;font-size:12px}.wallet-label{color:var(--text-light)}.wallet-value{font-family:monospace}.listing-detail-twitter{display:flex;gap:8px;margin-bottom:24px;font-size:13px}.twitter-label{color:var(--text-light)}.twitter-link{color:#c15f3c;text-decoration:none}.twitter-link:hover{text-decoration:underline}.listing-detail-actions{display:flex;gap:12px;margin-bottom:16px}.hint{font-size:13px;color:var(--gray)}.security-content{font-size:13px;line-height:1.8;color:var(--text-light)}.security-content p{margin-bottom:12px}.security-content p:last-child{margin-bottom:0}.modal-messages{max-width:500px;height:500px;display:flex;flex-direction:column}.modal-header-actions{display:flex;gap:12px;align-items:center}.conversations-list{flex:1;overflow-y:auto}.empty-messages{padding:48px;text-align:center;color:var(--gray);font-size:14px}.conversation-item{padding:16px;border-bottom:1px solid var(--off-white);cursor:pointer;transition:background .15s}.conversation-item:hover{background:var(--off-white)}.conversation-header{display:flex;justify-content:space-between;margin-bottom:6px}.conversation-name{font-weight:500;font-size:14px}.conversation-time{font-size:12px;color:var(--gray)}.conversation-preview{display:flex;justify-content:space-between;align-items:center}.conversation-text{font-size:13px;color:var(--text-light);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;margin-right:8px}.unread-badge{background:var(--terracotta);color:var(--white);font-size:11px;padding:2px 6px;border-radius:10px;min-width:18px;text-align:center}.chat-view{flex:1;display:flex;flex-direction:column;overflow:hidden}.messages-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px}.message-bubble{max-width:80%;padding:10px 14px}.message-bubble.sent{align-self:flex-end;background:var(--terracotta);color:var(--white)}.message-bubble.received{align-self:flex-start;background:var(--off-white);color:var(--text)}.message-content{font-size:14px;line-height:1.4;word-wrap:break-word}.message-time{font-size:11px;margin-top:4px;opacity:.7}.message-form{display:flex;gap:8px;padding:16px;border-top:1px solid var(--off-white)}.message-form input{flex:1;padding:10px 12px;font-family:inherit;font-size:14px;border:1px solid var(--gray);background:var(--white)}.message-form input:focus{outline:none;border-color:var(--terracotta)}.messages-btn{position:relative}@media(max-width:768px){.header{flex-direction:column;gap:16px;padding:16px 24px}.main{padding:24px}.listings-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}.modal{padding:24px}}
