.messages-layout{height:calc(100vh - var(--navbar-height,72px));background:var(--background);border-top:1px solid var(--border);display:flex}.messages-loading-state{min-height:calc(100vh - 72px);color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.loading-spinner-wrapper{background:#00d27814;border-radius:16px;justify-content:center;align-items:center;width:56px;height:56px;display:flex}.loading-text{color:var(--text-secondary);font-size:.9375rem;font-weight:500}.unauth-container{justify-content:center;align-items:center;min-height:calc(100vh - 72px);padding:40px 20px;display:flex}.unauth-card{text-align:center;max-width:540px}.unauth-icon-wrapper{width:64px;height:64px;color:var(--primary);background:#00d2781f;border-radius:20px;justify-content:center;align-items:center;margin:0 auto 20px;display:flex;box-shadow:0 8px 24px #00d27826}.unauth-title{font-family:var(--font-sans);letter-spacing:-.5px;color:var(--foreground);margin-bottom:10px;font-size:1.85rem;font-weight:900}.unauth-subtitle{color:var(--text-secondary);max-width:440px;margin:0 auto 32px;font-size:1rem;line-height:1.6}.unauth-features-grid{text-align:left;grid-template-columns:1fr 1fr;gap:12px;max-width:480px;margin:0 auto 32px;display:grid}.unauth-feature-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius,12px);align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.unauth-feature-icon{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex}.unauth-feature-title{color:var(--foreground);margin-bottom:2px;font-size:.8125rem;display:block}.unauth-feature-desc{color:var(--text-muted);font-size:.75rem;line-height:1.4;display:block}.unauth-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.conversations-panel{border-right:1px solid var(--border);background:var(--surface);flex-direction:column;width:360px;display:flex}.panel-header{border-bottom:1px solid var(--border-light);background:var(--surface-elevated,#fff);padding:18px 20px}.panel-header-top{justify-content:space-between;align-items:center;display:flex}.panel-title-group{align-items:center;gap:8px;display:flex}.panel-title-group h2{color:var(--foreground);margin:0;font-size:1.25rem;font-weight:800}.convo-count-badge{color:var(--primary-dark,#00a85e);background:#00d2781f;border-radius:12px;padding:2px 8px;font-size:.75rem;font-weight:700}.convo-search-wrapper{margin-top:12px;position:relative}.convo-search-icon{color:var(--text-muted);position:absolute;top:50%;left:12px;transform:translateY(-50%)}.convo-search-input{border:1px solid var(--border);background:var(--background);width:100%;color:var(--foreground);border-radius:8px;outline:none;padding:8px 12px 8px 34px;font-size:.8125rem;transition:border-color .2s}.convo-search-input:focus{border-color:var(--primary)}.conversations-list{flex:1;overflow-y:auto}.convo-loading{text-align:center;color:var(--text-muted);justify-content:center;align-items:center;gap:8px;padding:40px 20px;font-size:.875rem;display:flex}.convo-empty{text-align:center;color:var(--text-muted);flex-direction:column;align-items:center;padding:48px 24px;display:flex}.convo-empty-icon{width:54px;height:54px;color:var(--primary);background:#00d27814;border-radius:16px;justify-content:center;align-items:center;margin-bottom:12px;display:flex}.convo-empty-title{color:var(--foreground);margin-bottom:4px;font-size:.9375rem;font-weight:700}.convo-empty-desc{max-width:240px;font-size:.8125rem;line-height:1.4}.convo-item{border-bottom:1px solid var(--border-light);cursor:pointer;background:var(--surface);gap:12px;padding:16px 20px;transition:all .15s;display:flex}.convo-item:hover{background:var(--surface-hover)}.convo-item.active{border-left:3px solid var(--primary);background:#00d2780f}.convo-avatar{flex-shrink:0;width:52px;height:52px;position:relative}.avatar-thumbnail{object-fit:cover;border:1px solid var(--border);border-radius:10px}.user-badge{border:2px solid var(--surface);background:var(--surface-hover);z-index:2;border-radius:50%;width:24px;height:24px;position:absolute;bottom:-4px;right:-4px;overflow:hidden}.user-badge-fallback{background:linear-gradient(135deg,var(--primary),var(--primary-dark,#00a85e));color:#fff;justify-content:center;align-items:center;width:100%;height:100%;font-size:.65rem;font-weight:800;display:flex}.avatar-fallback{background:linear-gradient(135deg,var(--primary),var(--primary-dark,#00a85e));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:100%;height:100%;font-size:1.15rem;font-weight:800;display:flex}.convo-info{flex:1;min-width:0}.convo-info-top{justify-content:space-between;align-items:center;margin-bottom:2px;display:flex}.convo-name{color:var(--foreground);white-space:nowrap;text-overflow:ellipsis;font-size:.9375rem;font-weight:800;overflow:hidden}.convo-time{color:var(--text-muted);flex-shrink:0;margin-left:6px;font-size:.75rem}.convo-listing{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:6px;margin-bottom:4px;font-size:.75rem;font-weight:600;display:flex;overflow:hidden}.convo-listing-price{color:var(--primary-dark,#00a85e);background:#00d2781a;border-radius:4px;padding:1px 5px;font-size:.6875rem;font-weight:700}.convo-bottom-row{justify-content:space-between;align-items:center;gap:6px;display:flex}.convo-preview{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:.8125rem;overflow:hidden}.convo-preview.unread{color:var(--foreground);font-weight:700}.unread-counter{background:var(--primary);color:#fff;border-radius:10px;flex-shrink:0;padding:1px 6px;font-size:.6875rem;font-weight:800}.chat-panel{background:var(--background);flex-direction:column;flex:1;display:flex}.chat-header{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;padding:14px 24px;display:flex}.chat-header-info{align-items:center;gap:12px;display:flex}.chat-header-avatar{border-radius:50%;flex-shrink:0;width:40px;height:40px;overflow:hidden}.chat-header-avatar-fallback{background:linear-gradient(135deg,var(--primary),var(--primary-dark,#00a85e));color:#fff;justify-content:center;align-items:center;width:100%;height:100%;font-size:.9375rem;font-weight:800;display:flex}.chat-header-name{color:var(--foreground);margin:0 0 2px;font-size:1.0625rem;font-weight:800}.chat-header-status{color:var(--text-muted);align-items:center;gap:6px;font-size:.75rem;font-weight:500;display:flex}.online-dot{background:var(--primary);border-radius:50%;width:7px;height:7px}.chat-header-listing-card{background:var(--surface-elevated,#fff);border:1px solid var(--border);border-radius:10px;align-items:center;gap:10px;padding:6px 12px;display:flex}.header-listing-thumb{flex-shrink:0;width:36px;height:36px;position:relative}.header-listing-details{flex-direction:column;min-width:0;display:flex}.header-listing-title{color:var(--foreground);white-space:nowrap;text-overflow:ellipsis;max-width:160px;font-size:.8125rem;font-weight:700;overflow:hidden}.header-listing-price{color:var(--primary-dark,#00a85e);font-size:.75rem;font-weight:800}.btn-view-listing{background:var(--surface-hover);border:1px solid var(--border);color:var(--foreground);border-radius:6px;align-items:center;gap:4px;padding:5px 10px;font-size:.75rem;font-weight:700;text-decoration:none;transition:all .2s;display:inline-flex}.btn-view-listing:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.chat-messages{flex-direction:column;flex:1;gap:14px;padding:24px;display:flex;overflow-y:auto}.messages-thread-loading{color:var(--text-muted);justify-content:center;align-items:center;gap:8px;padding:40px;font-size:.875rem;display:flex}.message-time-separator{color:var(--text-muted);background:var(--surface);border:1px solid var(--border-light);border-radius:12px;justify-content:center;align-items:center;gap:5px;margin:12px auto;padding:3px 10px;font-size:.6875rem;font-weight:600;display:inline-flex}.message-wrapper{flex-direction:column;width:100%;display:flex}.message-bubble{border-radius:16px;max-width:68%;padding:10px 15px;position:relative}.message-bubble.them{background:var(--surface);border:1px solid var(--border);color:var(--foreground);border-bottom-left-radius:4px;align-self:flex-start}.message-bubble.me{background:linear-gradient(135deg,var(--primary),var(--primary-dark,#00a85e));color:#fff;border-bottom-right-radius:4px;align-self:flex-end;box-shadow:0 2px 8px #00d27833}.message-content{word-break:break-word;font-size:.9375rem;line-height:1.5}.message-meta{opacity:.85;justify-content:flex-end;align-items:center;gap:4px;margin-top:4px;font-size:.6875rem;display:flex}.message-bubble.them .message-meta{color:var(--text-muted)}.chat-input-area{background:var(--surface);border-top:1px solid var(--border);padding:16px 24px}.chat-form{gap:10px;display:flex}.chat-input{border:1px solid var(--border);border-radius:var(--radius-full,9999px);background:var(--background);color:var(--foreground);outline:none;flex:1;padding:13px 18px;font-size:.9375rem;transition:all .2s}.chat-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #00d2781f}.send-btn{cursor:pointer;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:46px;height:46px;padding:0;transition:transform .15s,opacity .15s;display:flex}.send-btn:disabled{opacity:.45;cursor:not-allowed}.send-btn:not(:disabled):hover{transform:scale(1.05)}.empty-chat{text-align:center;color:var(--text-muted);max-width:440px;margin:auto;padding:20px}.empty-chat-icon-container{width:56px;height:56px;color:var(--primary);background:#00d2781a;border-radius:18px;justify-content:center;align-items:center;margin:0 auto 16px;display:flex}.empty-chat-title{color:var(--foreground);margin:0 0 6px;font-size:1.125rem;font-weight:800}.empty-chat-subtitle{color:var(--text-secondary);margin:0 0 20px;font-size:.875rem;line-height:1.5}.quick-prompts-grid{text-align:left;flex-direction:column;gap:8px;display:flex}.quick-prompt-chip{background:var(--surface);border:1px solid var(--border);color:var(--foreground);cursor:pointer;border-radius:10px;align-items:center;gap:8px;padding:9px 14px;font-size:.8125rem;font-weight:600;transition:all .15s;display:flex}.quick-prompt-chip:hover{background:var(--surface-hover);border-color:var(--primary);transform:translate(3px)}.empty-chat-state{height:100%;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:40px;display:flex}.empty-icon-wrapper{width:72px;height:72px;color:var(--primary);background:#00d27814;border-radius:24px;justify-content:center;align-items:center;margin-bottom:20px;display:flex}.empty-chat-state h2{color:var(--foreground);margin-bottom:8px;font-size:1.35rem;font-weight:800}.empty-chat-state p{color:var(--text-secondary);max-width:360px;margin:0;font-size:.9375rem;line-height:1.5}@media (max-width:768px){.messages-layout{flex-direction:column}.conversations-panel.mobile-active{display:none}.conversations-panel{border-right:none;width:100%;height:100%}.chat-panel.mobile-inactive{display:none}.chat-panel{width:100%;height:100%}.mobile-back-btn{cursor:pointer;color:var(--foreground);background:0 0;border:none;margin-left:-6px;padding:6px;display:block}.unauth-features-grid{grid-template-columns:1fr}}@media (min-width:769px){.mobile-back-btn{display:none}}