.msg-shell{background:color-mix(in oklch, var(--muted) 40%, var(--background));height:calc(100vh - 56px);display:flex;overflow:hidden}.msg-sidebar{background:var(--card);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:320px;display:flex;overflow:hidden}@media (max-width:720px){.msg-sidebar{border-right:none;width:100%}.msg-sidebar--hidden-mobile{display:none}}.msg-sidebar-header{border-bottom:1px solid var(--border);flex-shrink:0;padding:18px 16px 12px}.msg-sidebar-title{font-family:var(--font-heading);letter-spacing:-.01em;color:var(--foreground);margin:0 0 12px;font-size:22px;font-weight:400}.msg-search-wrap{position:relative}.msg-search-icon{color:var(--muted-foreground);pointer-events:none;width:14px;height:14px;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.msg-search-input{border:1px solid var(--border);background:var(--muted);width:100%;height:34px;font:inherit;color:var(--foreground);border-radius:17px;outline:none;padding:0 12px 0 30px;font-size:13px;transition:border-color .16s,background .16s}.msg-search-input::placeholder{color:var(--muted-foreground)}.msg-search-input:focus-visible{border-color:var(--ring);background:var(--card)}.msg-conv-list{flex:1;padding:4px 0;overflow-y:auto}.msg-conv-item{color:inherit;cursor:pointer;align-items:center;gap:12px;padding:10px 14px;text-decoration:none;transition:background .14s;display:flex;position:relative}.msg-conv-item:hover{background:var(--muted)}.msg-conv-item--active{background:color-mix(in oklch, var(--primary) 8%, var(--muted))}.msg-conv-item--active:hover{background:color-mix(in oklch, var(--primary) 12%, var(--muted))}.msg-conv-avatar-wrap{flex-shrink:0;position:relative}.msg-conv-avatar{background:color-mix(in oklch, var(--primary) 12%, var(--muted));width:46px;height:46px;font-family:var(--font-heading);color:var(--primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:17px;font-weight:400;display:flex;overflow:hidden}.msg-conv-avatar img{object-fit:cover;width:100%;height:100%}.msg-conv-body{flex:1;min-width:0}.msg-conv-row{justify-content:space-between;align-items:baseline;gap:6px;margin-bottom:2px;display:flex}.msg-conv-name{color:var(--foreground);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.msg-conv-name--unread{color:var(--foreground)}.msg-conv-time{color:var(--muted-foreground);white-space:nowrap;flex-shrink:0;font-size:11.5px}.msg-conv-snippet{color:var(--muted-foreground);white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;overflow:hidden}.msg-conv-snippet--unread{color:var(--foreground);font-weight:500}.msg-unread-dot{background:var(--primary);border-radius:50%;flex-shrink:0;width:9px;height:9px;margin-left:6px}.msg-thread-pane{background:var(--background);flex-direction:column;flex:1;display:flex;overflow:hidden}@media (max-width:720px){.msg-thread-pane{width:100%}}.msg-thread-header{border-bottom:1px solid var(--border);background:var(--card);flex-shrink:0;align-items:center;gap:12px;padding:14px 20px;display:flex}.msg-thread-back{width:32px;height:32px;color:var(--muted-foreground);border-radius:50%;justify-content:center;align-items:center;text-decoration:none;transition:background .14s,color .14s;display:flex}.msg-thread-back:hover{background:var(--muted);color:var(--foreground)}.msg-thread-avatar{background:color-mix(in oklch, var(--primary) 12%, var(--muted));width:40px;height:40px;font-family:var(--font-heading);color:var(--primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:15px;display:flex;overflow:hidden}.msg-thread-avatar img{object-fit:cover;width:100%;height:100%}.msg-thread-info{flex:1;min-width:0}.msg-thread-name{color:var(--foreground);margin:0;font-size:14.5px;font-weight:600;line-height:1.2}.msg-thread-status{color:var(--muted-foreground);margin:0;font-size:12px}.msg-list{flex-direction:column;flex:1;gap:4px;padding:20px 20px 8px;display:flex;overflow-y:auto}.msg-day-sep{align-items:center;gap:10px;margin:12px 0 8px;display:flex}.msg-day-sep:before,.msg-day-sep:after{content:"";background:var(--border);flex:1;height:1px}.msg-day-label{color:var(--muted-foreground);white-space:nowrap;letter-spacing:.03em;font-size:11.5px}.msg-row{align-items:flex-end;gap:8px;display:flex}.msg-row--self{flex-direction:row-reverse}.msg-row-avatar{background:color-mix(in oklch, var(--primary) 12%, var(--muted));width:28px;height:28px;color:var(--primary);font-size:11px;font-family:var(--font-heading);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex;overflow:hidden}.msg-row-avatar img{object-fit:cover;width:100%;height:100%}.msg-row--self .msg-row-avatar{display:none}.msg-bubble-group{flex-direction:column;gap:2px;max-width:min(72%,480px);display:flex}.msg-bubble{word-break:break-word;border-radius:18px;padding:9px 13px;font-size:13.5px;line-height:1.5}.msg-bubble--in{background:var(--card);border:1px solid var(--border);color:var(--foreground);border-bottom-left-radius:4px}.msg-bubble--out{background:var(--primary);color:var(--primary-foreground);border-bottom-right-radius:4px;align-self:flex-end}.msg-bubble-time{color:var(--muted-foreground);margin-top:1px;padding:0 4px;font-size:11px}.msg-row--self .msg-bubble-time{text-align:right}.msg-thread-empty{color:var(--muted-foreground);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:40px 24px;display:flex}.msg-thread-empty-icon{background:var(--muted);width:56px;height:56px;color:var(--muted-foreground);border-radius:50%;place-items:center;display:grid}.msg-thread-empty-title{font-family:var(--font-heading);color:var(--foreground);margin:0;font-size:20px;font-weight:400}.msg-thread-empty-sub{color:var(--muted-foreground);max-width:280px;margin:0;font-size:13.5px}.msg-input-bar{border-top:1px solid var(--border);background:var(--card);flex-shrink:0;align-items:flex-end;gap:10px;padding:12px 16px;display:flex}.msg-input-wrap{flex:1;position:relative}.msg-input{border:1px solid var(--border);background:var(--muted);width:100%;min-height:40px;max-height:120px;font:inherit;color:var(--foreground);resize:none;border-radius:20px;outline:none;padding:10px 16px;font-size:13.5px;line-height:1.4;transition:border-color .16s,background .16s;display:block;overflow-y:auto}.msg-input::placeholder{color:var(--muted-foreground)}.msg-input:focus-visible{border-color:var(--ring);background:var(--card);box-shadow:0 0 0 3px color-mix(in oklch, var(--ring) 18%, transparent)}.msg-send-btn{background:var(--primary);width:40px;height:40px;color:var(--primary-foreground);cursor:pointer;border:none;border-radius:50%;flex-shrink:0;place-items:center;transition:background .16s,transform 80ms,opacity .16s;display:grid}.msg-send-btn:hover{background:color-mix(in oklch, var(--primary) 88%, black)}.msg-send-btn:active{transform:scale(.93)}.msg-send-btn:disabled{opacity:.45;cursor:not-allowed}.msg-no-conv{color:var(--muted-foreground);background:color-mix(in oklch, var(--muted) 20%, var(--background));flex-direction:column;flex:1;justify-content:center;align-items:center;gap:14px;display:flex}.msg-no-conv-icon{background:var(--muted);width:64px;height:64px;color:var(--muted-foreground);border-radius:50%;place-items:center;display:grid}.msg-no-conv-title{font-family:var(--font-heading);color:var(--foreground);margin:0;font-size:22px;font-weight:400}.msg-no-conv-sub{color:var(--muted-foreground);text-align:center;max-width:300px;margin:0;font-size:13.5px}.msg-no-conv-link{color:var(--primary);font-weight:500;text-decoration:none}.msg-no-conv-link:hover{text-underline-offset:3px;text-decoration:underline}