#tab-chat{padding:0;height:calc(100vh - 60px);margin-bottom:-30px}.chat-app{height:100%;position:relative}.chat-app-inner{display:grid;grid-template-columns:400px 1fr;grid-template-rows:minmax(0,100%);height:100%;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 2px 14px #0f172a0f;border:1px solid rgba(15,23,42,.08)}.chat-list-pane{display:flex;flex-direction:column;border-right:1px solid rgba(15,23,42,.08);background:#f9fafb;min-width:0;min-height:0}.chat-list-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 10px;position:relative;z-index:101}.chat-list-header h3{margin:0;font-size:16px;font-weight:700;color:#111;display:flex;align-items:center;gap:8px}.chat-list-header h3 i{color:var(--primary, #25D366)}.chat-total-unread{font-size:12px;font-weight:600;color:#25d366;background:#25d3661f;padding:3px 9px;border-radius:999px}.chat-usage-bar{display:flex;align-items:center;gap:0;margin:0 12px 10px;padding:8px 12px;background:linear-gradient(135deg,#f0fdf4,#ecfdf5);border:1px solid rgba(34,197,94,.2);border-radius:10px;font-size:12px}.chat-usage-bar.hidden{display:none}.chat-usage-tile{display:flex;flex-direction:column;align-items:center;flex:1;min-width:0}.chat-usage-value{font-size:16px;font-weight:700;color:#16a34a;line-height:1.2;font-variant-numeric:tabular-nums}.chat-usage-label{font-size:10px;color:#6b7280;text-transform:uppercase;letter-spacing:.4px;white-space:nowrap}.chat-usage-divider{width:1px;height:24px;background:#22c55e33;flex:none}.chat-search-wrap{position:relative;margin:0 12px 10px}.chat-search-wrap i{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:#94a3b8;pointer-events:none}#chatSearch{width:100%;padding:9px 12px 9px 34px;border:1px solid rgba(15,23,42,.1);border-radius:10px;background:#fff;font-size:13px;color:#111;outline:none;transition:border-color .15s}#chatSearch:focus{border-color:#25d366}.chat-thread-list{flex:1;overflow-y:auto;padding:0 8px 12px}.chat-thread{display:flex;align-items:center;gap:11px;padding:11px 10px;border-radius:12px;cursor:pointer;transition:background .12s}.chat-thread:hover{background:#0f172a0d}.chat-thread.active{background:#25d3661f}.chat-thread:focus-visible{outline:2px solid #25D366;outline-offset:-2px}.chat-avatar{--hue: 200;width:44px;height:44px;min-width:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;background:hsl(var(--hue),55%,48%);user-select:none}.chat-thread-body{flex:1;min-width:0}.chat-thread-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.chat-thread-name{font-size:14px;font-weight:600;color:#111;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-thread-time{font-size:11px;color:#94a3b8;white-space:nowrap}.chat-thread-preview{font-size:12.5px;color:#64748b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.chat-unread-badge{min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:#25d366;color:#fff;font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}.chat-list-empty{padding:28px 20px;text-align:center;color:#94a3b8;font-size:13px;line-height:1.5}.chat-conv-pane{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}.chat-empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:32px;color:#94a3b8}.chat-empty-state i{color:#cbd5e1;margin-bottom:6px}.chat-empty-state h4{margin:0;font-size:17px;font-weight:600;color:#475569}.chat-empty-state p{margin:0;max-width:380px;font-size:13px;line-height:1.5}.chat-thread-view{display:flex;flex-direction:column;height:100%;min-height:0}.chat-thread-header{display:flex;align-items:center;gap:11px;padding:11px 16px;border-bottom:1px solid rgba(15,23,42,.08);background:#f9fafb}.chat-back-btn{display:none;border:none;background:none;padding:4px;cursor:pointer;color:#111;border-radius:50%;flex:none;margin-left:-4px}.chat-back-btn:hover{background:#0f172a0f}.chat-thread-avatar{--hue: 200;width:38px;height:38px;min-width:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;background:hsl(var(--hue),55%,48%)}.chat-thread-meta{display:flex;flex-direction:column;min-width:0}.chat-thread-meta strong{font-size:14px;color:#111;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-thread-meta span{font-size:12px;color:#94a3b8}.chat-message-list{flex:1;min-height:0;overflow-y:auto;padding:16px;background:#ece5dd;background-image:radial-gradient(circle at 20% 30%,rgba(255,255,255,.35) 0,transparent 40%),radial-gradient(circle at 80% 20%,rgba(255,255,255,.28) 0,transparent 35%),radial-gradient(circle at 60% 85%,rgba(255,255,255,.22) 0,transparent 45%)}.chat-day-sep{display:flex;justify-content:center;margin:14px 0 6px}.chat-day-sep span{font-size:11.5px;font-weight:600;color:#64748b;background:#ffffffbf;padding:4px 12px;border-radius:999px;box-shadow:0 1px 2px #00000014}.chat-bubble-row{display:flex;margin:2px 0}.chat-bubble-row.in{justify-content:flex-start}.chat-bubble-row.out{justify-content:flex-end}.chat-bubble{max-width:68%;padding:8px 11px 6px;border-radius:10px;font-size:13.5px;line-height:1.45;color:#111;position:relative;word-break:break-word;white-space:pre-wrap;box-shadow:0 1px 1px #00000017}.chat-bubble-row.in .chat-bubble{background:#fff;border-top-left-radius:2px}.chat-bubble-row.out .chat-bubble{background:#dcf8c6;border-top-right-radius:2px}.chat-msg-time{display:inline-block;font-size:10.5px;color:#64748b;margin-left:6px;vertical-align:bottom;white-space:nowrap}.chat-ticks{color:#4a7bd4;font-weight:700}.chat-composer{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;border-top:1px solid rgba(15,23,42,.08);background:#f9fafb}#chatComposerInput{flex:1;resize:none;border:1px solid rgba(15,23,42,.12);border-radius:20px;padding:10px 14px;font-size:13.5px;font-family:inherit;color:#111;background:#fff;outline:none;max-height:120px;line-height:1.4}#chatComposerInput:focus{border-color:#25d366}#chatComposerInput::placeholder{color:#94a3b8}.chat-send-btn{width:42px;height:42px;min-width:42px;border-radius:50%;border:none;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .1s,background .15s}.chat-send-btn:hover{background:#1fb958}.chat-send-btn:active{transform:scale(.92)}.chat-send-btn:focus-visible{outline:2px solid #111;outline-offset:2px}@media(max-width:768px){#tab-chat{height:calc(100vh - 56px);padding:0}.chat-app-inner{grid-template-columns:1fr}.chat-conv-pane{position:absolute;inset:0;z-index:2;transform:translate(100%);transition:transform .22s ease;background:#fff;visibility:hidden}.chat-app.chat-conv-open .chat-conv-pane{transform:translate(0);visibility:visible}.chat-back-btn{display:inline-flex;align-items:center}.chat-app.chat-conv-open .chat-list-pane{display:none}}.chat-list-header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.chat-menu-wrap{position:relative}.chat-menu-btn{background:none;border:none;cursor:pointer;padding:4px 6px;border-radius:50%;color:var(--text-secondary);transition:background .15s}.chat-menu-btn:hover{background:#0000000f}.chat-menu-btn svg{width:18px;height:18px}.chat-menu-dropdown{position:fixed;z-index:9999;min-width:180px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:10px;box-shadow:0 6px 24px #0000001f;padding:4px 0;animation:chatMenuIn .12s ease}@keyframes chatMenuIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}.chat-menu-item{display:flex;align-items:center;gap:8px;width:100%;padding:10px 14px;background:none;border:none;cursor:pointer;font-size:13px;color:var(--text-primary);text-align:left}.chat-menu-item:hover{background:#0000000a}.chat-menu-item svg{width:16px;height:16px;color:var(--text-secondary);flex:none}.chat-menu-danger{color:#ef4444}.chat-menu-danger svg{color:#ef4444}.chat-thread-actions{margin-left:auto}.chat-thread-header{display:flex;align-items:center;gap:10px}.blocked-contacts-list{display:flex;flex-direction:column;gap:6px}.blocked-contact-row{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#ef444408;border:1px solid rgba(239,68,68,.12);border-radius:8px}.blocked-contact-row .blocked-contact-phone{flex:1;font-size:13px;font-family:monospace;color:var(--text-primary)}.blocked-contact-row .blocked-contact-unblock{background:none;border:1px solid #ef4444;color:#ef4444;border-radius:6px;padding:5px 12px;font-size:12px;cursor:pointer;white-space:nowrap}.blocked-contact-row .blocked-contact-unblock:hover{background:#ef4444;color:#fff}.blocked-contact-row .blocked-contact-label{font-size:11px;color:var(--text-muted)}