.chat-backdrop{-webkit-backdrop-filter:blur(4px);z-index:9998;opacity:0;pointer-events:none;background:#00000073;transition:opacity .25s;position:fixed;inset:0}.chat-backdrop.active{opacity:1;pointer-events:auto}.chat-drawer{background:var(--bg-surface,#fff);width:100%;max-width:440px;height:85vh;max-height:650px;color:var(--text-primary,#1e293b);z-index:9999;border-top:1px solid var(--border-color,#00000014);border-radius:20px 20px 0 0;flex-direction:column;transition:transform .3s cubic-bezier(.16,1,.3,1);display:flex;position:fixed;bottom:0;right:0;overflow:hidden;transform:translateY(100%);box-shadow:0 -10px 30px #00000026}@media (min-width:768px){.chat-drawer{border:1px solid var(--border-color,#00000014);opacity:0;pointer-events:none;border-radius:20px;height:620px;bottom:24px;right:24px;transform:translateY(20px)scale(.95);box-shadow:0 12px 40px #0003}.chat-drawer.active{opacity:1;pointer-events:auto;transform:translateY(0)scale(1)}}.chat-drawer.active{transform:translateY(0)}[data-theme=dark] .chat-drawer{background:var(--bg-surface,#18181b);color:var(--text-primary,#f4f4f5);border-color:#ffffff1a;box-shadow:0 12px 40px #00000080}.chat-header{color:#fff;background:linear-gradient(135deg,#f75b06 0%,#f71c44 100%);flex-shrink:0;justify-content:space-between;align-items:center;padding:14px 18px;display:flex}.chat-header-info{align-items:center;gap:12px;display:flex}.chat-avatar{background:#fff3;border:2px solid #fff9;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:16px;font-weight:700;display:flex;overflow:hidden}.chat-avatar img{object-fit:cover;width:100%;height:100%}.chat-header-title{font-size:15px;font-weight:700;line-height:1.2}.chat-header-subtitle{opacity:.9;align-items:center;gap:5px;font-size:12px;display:flex}.chat-status-dot{background:#22c55e;border-radius:50%;width:7px;height:7px;box-shadow:0 0 6px #22c55e}.chat-header-actions{align-items:center;gap:8px;display:flex}.chat-icon-btn{color:#fff;cursor:pointer;background:#ffffff26;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;transition:all .2s;display:flex}.chat-icon-btn:hover{background:#ffffff4d;transform:scale(1.05)}.owner-inbox-header{border-bottom:1px solid var(--border-color,#00000014);background:var(--bg-card,#f8fafc);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}[data-theme=dark] .owner-inbox-header{background:#ffffff08}.owner-inbox-title{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary,#64748b);font-size:13px;font-weight:600}.owner-conv-list{flex:1;padding:8px 0;overflow-y:auto}.owner-conv-item{cursor:pointer;border-bottom:1px solid var(--border-color,#0000000a);align-items:center;gap:12px;padding:12px 16px;transition:background .2s;display:flex}.owner-conv-item:hover{background:var(--bg-hover,#0000000a)}[data-theme=dark] .owner-conv-item:hover{background:#ffffff0d}.owner-conv-item.active{background:#f75b0614}.owner-conv-details{flex:1;min-width:0}.owner-conv-name-row{justify-content:space-between;align-items:center;margin-bottom:3px;display:flex}.owner-conv-name{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.owner-conv-time{color:var(--text-secondary,#94a3b8);flex-shrink:0;font-size:11px}.owner-conv-msg{color:var(--text-secondary,#64748b);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.unread-badge{color:#fff;background:#f71c44;border-radius:10px;flex-shrink:0;padding:2px 7px;font-size:11px;font-weight:700}.chat-messages-container{background:var(--bg-body,#fafafa);flex-direction:column;flex:1;gap:12px;padding:16px;display:flex;overflow-y:auto}[data-theme=dark] .chat-messages-container{background:#121214}.chat-empty-state{text-align:center;height:100%;color:var(--text-secondary,#94a3b8);flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:20px;display:flex}.chat-date-divider{text-align:center;margin:8px 0;position:relative}.chat-date-divider span{background:var(--bg-surface,#e2e8f0);color:var(--text-secondary,#64748b);border-radius:12px;padding:3px 10px;font-size:11px;font-weight:500}[data-theme=dark] .chat-date-divider span{color:#a1a1aa;background:#27272a}.chat-bubble-row{align-items:flex-end;gap:8px;max-width:82%;display:flex}.chat-bubble-row.outgoing{flex-direction:row-reverse;align-self:flex-end}.chat-bubble-row.incoming{align-self:flex-start}.chat-bubble{word-break:break-word;border-radius:16px;padding:10px 14px;font-size:14px;line-height:1.45;position:relative}.chat-bubble-row.outgoing .chat-bubble{color:#fff;background:linear-gradient(135deg,#f75b06 0%,#f71c44 100%);border-bottom-right-radius:4px;box-shadow:0 2px 8px #f75b0640}.chat-bubble-row.incoming .chat-bubble{background:var(--bg-card,#fff);color:var(--text-primary,#1e293b);border:1px solid var(--border-color,#00000014);border-bottom-left-radius:4px;box-shadow:0 2px 6px #00000008}[data-theme=dark] .chat-bubble-row.incoming .chat-bubble{color:#f4f4f5;background:#27272a;border-color:#ffffff14}.chat-bubble-meta{opacity:.75;justify-content:flex-end;align-items:center;gap:4px;margin-top:4px;font-size:10px;display:flex}.chat-input-area{background:var(--bg-surface,#fff);border-top:1px solid var(--border-color,#00000014);flex-shrink:0;align-items:flex-end;gap:10px;padding:12px 14px;display:flex}[data-theme=dark] .chat-input-area{background:#18181b;border-color:#ffffff14}.chat-textarea{background:var(--bg-body,#f1f5f9);color:var(--text-primary,#1e293b);resize:none;border:1px solid #0000;border-radius:20px;outline:none;flex:1;min-height:40px;max-height:100px;padding:10px 14px;font-family:inherit;font-size:14px;line-height:1.35;transition:all .2s}.chat-textarea:focus{background:var(--bg-surface,#fff);border-color:#f75b06;box-shadow:0 0 0 2px #f75b0626}[data-theme=dark] .chat-textarea{color:#f4f4f5;background:#27272a}[data-theme=dark] .chat-textarea:focus{background:#1e1e24}.chat-send-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#f75b06 0%,#f71c44 100%);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;transition:all .2s;display:flex;box-shadow:0 2px 8px #f75b064d}.chat-send-btn:hover:not(:disabled){transform:scale(1.06);box-shadow:0 4px 12px #f75b0666}.chat-send-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.fab-chat{position:relative;color:#fff!important;background:linear-gradient(135deg,#f75b06 0%,#f71c44 100%)!important}.fab-chat-badge{color:#fff;background:#1cb2f7;border:2px solid #fff;border-radius:9px;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 4px;font-size:11px;font-weight:700;display:flex;position:absolute;top:-4px;right:-4px}