:root,[data-theme=dark]{--font-main:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-heading:"Outfit", var(--font-main);--font-mono:"JetBrains Mono", Consolas, monospace;--btco-red:#e11d2a;--btco-red-hover:#f43f5e;--btco-red-dark:#b91c1c;--btco-red-glow:#e11d2a59;--btco-red-subtle:#e11d2a1f;--bg-deep:#090c10;--bg-app:#0e1218;--bg-panel:#131821;--bg-surface:#131821;--bg-surface-hover:#1c232f;--bg-header:#171d27;--bg-search:#1c232f;--bg-card:#1c232f;--bg-hover:#ffffff0d;--bg-active:#e11d2a1f;--chat-canvas-bg:#0b0e14;--bubble-in:#181f2a;--bubble-in-border:#ffffff12;--bubble-out:#2a1215;--bubble-out-border:#e11d2a66;--bubble-out-text:#fff;--bubble-in-text:#f1f5f9;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--text-accent:#e11d2a;--text-meta:#94a3b8;--border-main:#ffffff14;--border-color:#ffffff14;--border-subtle:#ffffff0d;--border-focus:#e11d2a;--status-online:#25d366;--status-offline:#64748b;--blue-tick:#53bdeb;--bg-rail:#111b21;--bg-rail-active:#202c33;--text-rail:#aebac1;--wa-pill-active-bg:#103529;--wa-pill-active-text:#00a884;--wa-fab-bg:#202c33;--wa-active-pill:#103529;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 14px #0006;--shadow-lg:0 10px 30px #0000008c}[data-theme=light]{--btco-red:#d3101b;--btco-red-hover:#b91c1c;--btco-red-dark:#991b1b;--btco-red-glow:#d3101b40;--btco-red-subtle:#d3101b14;--bg-deep:#e5e7eb;--bg-app:#f0f2f5;--bg-panel:#fff;--bg-surface:#fff;--bg-surface-hover:#f0f2f5;--bg-header:#f0f2f5;--bg-search:#f0f2f5;--bg-card:#fff;--bg-hover:#0000000a;--bg-active:#d3101b14;--chat-canvas-bg:#efeae2;--bubble-in:#fff;--bubble-in-border:#e5e7eb;--bubble-out:#d9fdd3;--bubble-out-border:#00a88433;--bubble-out-text:#111827;--bubble-in-text:#111827;--text-primary:#111827;--text-secondary:#54656f;--text-muted:#667781;--text-accent:#d3101b;--text-meta:#667781;--border-main:#e9edef;--border-color:#e5e7eb;--border-subtle:#f0f2f5;--border-focus:#00a884;--status-online:#25d366;--status-offline:#8696a0;--blue-tick:#53bdeb;--bg-rail:#f0f2f5;--bg-rail-active:#d3101b14;--text-rail:#54656f;--wa-pill-active-bg:#e7fce3;--wa-pill-active-text:#008069;--wa-fab-bg:var(--btco-red);--wa-active-pill:#d9fdd3;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 10px 25px #0000001f}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{width:100%;height:100dvh;overflow:hidden}body{font-family:var(--font-main);background-color:var(--bg-deep);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.45;transition:background-color .2s,color .2s}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#94a3b840;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#94a3b873}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes pulseGlow{0%,to{box-shadow:0 0 12px var(--btco-red-glow)}50%{box-shadow:0 0 24px var(--btco-red-glow)}}@keyframes waveBar{0%,to{height:6px}50%{height:24px}}@keyframes typingBounce{0%,80%,to{opacity:.3;transform:scale(0)}40%{opacity:1;transform:scale(1)}}button{cursor:pointer;-webkit-user-select:none;user-select:none;background:0 0;border:none;outline:none;font-family:inherit}input,textarea,select{outline:none;font-family:inherit}.btco-icon-btn{width:40px;height:40px;color:var(--text-secondary);background:0 0;border-radius:10px;justify-content:center;align-items:center;transition:background-color .15s,color .15s,transform .1s;display:flex}.btco-icon-btn:hover{background-color:var(--bg-hover);color:var(--text-primary)}.btco-icon-btn:active{transform:scale(.95)}.btco-btn-primary{background-color:var(--btco-red);color:#fff;box-shadow:0 4px 14px var(--btco-red-glow);border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:.92rem;font-weight:600;transition:background-color .15s,transform .15s,box-shadow .15s;display:inline-flex}.btco-btn-primary:hover{background-color:var(--btco-red-hover);box-shadow:0 6px 20px var(--btco-red-glow);transform:translateY(-1px)}.btco-btn-primary:active{transform:translateY(0)}.btco-status-dot{border:2px solid var(--bg-panel);background-color:var(--status-online);border-radius:50%;width:10px;height:10px;display:inline-block}.btco-status-dot.offline{background-color:var(--status-offline)}.app-layout{background-color:var(--bg-deep);width:100vw;height:100dvh;display:flex;position:relative;overflow:hidden}.text-crimson{color:var(--btco-red)!important}.text-online{color:var(--status-online);font-size:.82rem;font-weight:600}.text-muted{color:var(--text-muted)}.btco-auth-screen{background-color:var(--bg-deep);flex-direction:column;width:100vw;height:100dvh;display:flex;position:relative;overflow:hidden auto}[data-theme=dark] .btco-auth-screen{background:radial-gradient(circle at 50% 10%,#e11d2a14 0%,#090c10 60%)}[data-theme=light] .btco-auth-screen{background:radial-gradient(circle at 50% 10%,#d3101b0d 0%,#f0f2f5 60%)}.btco-auth-top-bar{background-color:var(--bg-panel);border-bottom:1px solid var(--border-main);z-index:20;flex-shrink:0;justify-content:space-between;align-items:center;height:64px;padding:0 32px;display:flex}[data-theme=light] .btco-auth-top-bar{background-color:#fff;border-bottom:1px solid #e5e7eb}.btco-auth-brand-wrap{align-items:center;gap:16px;display:flex}.btco-auth-logo{background:#fff;border-radius:8px;padding:4px 10px;box-shadow:0 2px 8px #0000001f}.btco-brand-text-col{flex-direction:column;display:flex}.btco-portal-title{letter-spacing:.08em;color:var(--text-primary);font-size:.96rem;font-weight:800}.btco-portal-sub{letter-spacing:.1em;color:var(--btco-red);font-size:.64rem;font-weight:700}.btco-theme-toggle-btn{background:var(--bg-search);color:var(--text-primary);border:1px solid var(--border-main);cursor:pointer;border-radius:20px;align-items:center;gap:8px;padding:6px 14px;font-size:.8rem;font-weight:600;transition:all .2s;display:flex}.btco-theme-toggle-btn:hover{background:var(--bg-hover)}.btco-auth-card-container{z-index:10;flex:1;justify-content:center;align-items:center;min-height:0;margin:0;padding:32px 20px 48px;display:flex}.btco-auth-card{background-color:var(--bg-panel);border:1px solid var(--border-main);border-radius:20px;flex-direction:column;width:100%;max-width:480px;padding:32px 30px;animation:.3s ease-out fadeIn;display:flex;box-shadow:0 20px 50px #0003}.btco-auth-header{text-align:center;margin-bottom:20px}.btco-auth-card-emblem-wrap{background:#fff;border:1.5px solid #e11d2a4d;border-radius:12px;justify-content:center;align-items:center;width:90px;height:52px;margin:0 auto 12px;padding:5px 8px;display:inline-flex;overflow:hidden;box-shadow:0 4px 16px #e11d2a29}.btco-auth-card-emblem{object-fit:contain;width:100%;height:100%;display:block}.btco-auth-provision-notice{background:var(--bg-search);border:1px solid var(--border-subtle);color:var(--text-secondary);border-radius:10px;align-items:center;gap:10px;margin-bottom:18px;padding:10px 14px;font-size:.78rem;line-height:1.4;display:flex}.btco-auth-provision-notice strong{color:var(--text-primary)}.btco-quick-fill-pill:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--btco-red);transform:translateY(-1px)}.btco-quick-fill-pill.admin-pill{color:var(--btco-red);background:#e11d2a1a;border-color:#e11d2a4d}.btco-logo-centered{background:#fff;border-radius:10px;justify-content:center;align-items:center;margin-bottom:16px;padding:6px 18px;display:inline-flex;box-shadow:0 4px 14px #00000026}.btco-auth-heading{color:var(--text-primary);margin-bottom:6px;font-size:1.35rem;font-weight:700}.btco-auth-subheading{color:var(--text-secondary);font-size:.82rem;line-height:1.5}.btco-auth-tabs{background-color:var(--bg-search);border:1px solid var(--border-subtle);border-radius:10px;margin-bottom:20px;padding:4px;display:flex}.btco-tab{color:var(--text-secondary);transition:var(--transition-fast);border-radius:8px;flex:1;padding:9px;font-size:.86rem;font-weight:600}.btco-tab.active{background-color:var(--bg-panel);color:var(--btco-red);box-shadow:var(--shadow-sm)}.btco-auth-error{color:var(--btco-red);background:#e11d2a1f;border:1px solid #e11d2a59;border-radius:8px;margin-bottom:16px;padding:10px 14px;font-size:.84rem}.btco-auth-form{flex-direction:column;gap:15px;display:flex}.btco-form-row{gap:12px;display:flex}.btco-field-group{flex-direction:column;flex:1;gap:6px;display:flex}.btco-field-group label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;font-size:.76rem;font-weight:600}.btco-input-wrap{background-color:var(--bg-search);border:1px solid var(--border-main);border-radius:10px;align-items:center;padding:0 12px;transition:border-color .2s;display:flex}.btco-input-wrap:focus-within{border-color:var(--border-focus);box-shadow:0 0 0 2px var(--btco-red-subtle)}.btco-field-icon{color:var(--text-muted);flex-shrink:0;margin-right:8px}.btco-input-wrap input,.btco-input-wrap select{width:100%;color:var(--text-primary);background:0 0;border:none;padding:11px 0;font-size:.92rem}.btco-input-wrap select option{background:var(--bg-panel);color:var(--text-primary)}.btco-auth-submit-btn{width:100%;margin-top:8px;padding:12px;font-size:.98rem}.btco-auth-security-footer{border-top:1px solid var(--border-subtle);color:var(--text-muted);justify-content:center;align-items:center;gap:8px;margin-top:20px;padding-top:16px;font-size:.74rem;display:flex}.btco-powered-by{background:var(--bg-surface-hover);border:1px solid var(--border-color);color:var(--text-secondary);letter-spacing:.02em;border-radius:9999px;justify-content:center;align-items:center;margin-top:16px;padding:8px 16px;font-size:.82rem;display:flex;box-shadow:0 2px 6px #0000000f}.btco-powered-by strong{color:var(--btco-red);letter-spacing:.03em;margin-left:5px;font-weight:800}.btco-sidebar{background-color:var(--bg-panel);border-right:1px solid var(--border-main);z-index:50;flex-direction:column;flex-shrink:0;width:360px;height:100%;transition:transform .25s,background-color .2s;display:flex}.btco-sidebar-top-bar{background-color:var(--bg-header);border-bottom:1px solid var(--border-subtle);flex-shrink:0;justify-content:space-between;align-items:center;height:64px;padding:10px 16px;display:flex}.btco-sidebar-brand{background:#fff;border-radius:8px;align-items:center;padding:3px 10px;display:flex;box-shadow:0 2px 8px #00000026}.btco-sidebar-header-actions{align-items:center;gap:4px;display:flex}.btco-menu-wrap{position:relative}.btco-dropdown-menu{background-color:var(--bg-header);box-shadow:var(--shadow-lg);z-index:100;border:1px solid var(--border-main);border-radius:10px;min-width:220px;padding:6px 0;animation:.15s ease-out fadeIn;position:absolute;top:44px;right:0}.btco-menu-backdrop{z-index:99;background:0 0;position:fixed;inset:0}.btco-dropdown-item{width:100%;color:var(--text-primary);text-align:left;align-items:center;gap:10px;padding:10px 16px;font-size:.88rem;transition:background-color .12s;display:flex}.btco-dropdown-item:hover{background-color:var(--bg-hover)}.btco-dropdown-divider{background-color:var(--border-main);height:1px;margin:4px 0}.mobile-close-btn{display:none}.btco-current-user-strip{background-color:var(--bg-app);border-bottom:1px solid var(--border-subtle);cursor:pointer;align-items:center;gap:12px;padding:10px 16px;transition:background-color .15s;display:flex}.btco-current-user-strip:hover{background-color:var(--bg-hover)}.btco-avatar-badge-wrap{flex-shrink:0;width:38px;height:38px;position:relative}.btco-user-avatar-sm{object-fit:cover;border:2px solid var(--btco-red);border-radius:50%;width:100%;height:100%}.btco-avatar-badge-wrap .btco-status-dot{position:absolute;bottom:-1px;right:-1px}.btco-user-meta-strip{flex-direction:column;display:flex;overflow:hidden}.btco-strip-name{color:var(--text-primary);font-size:.88rem;font-weight:700}.btco-strip-sub{color:var(--text-secondary);font-size:.72rem}.btco-search-container{padding:10px 14px}.btco-search-bar{background-color:var(--bg-search);border:1px solid var(--border-subtle);border-radius:10px;align-items:center;gap:10px;padding:8px 12px;transition:border-color .2s;display:flex}.btco-search-bar:focus-within{border-color:var(--border-focus)}.btco-search-bar input{color:var(--text-primary);background:0 0;border:none;width:100%;font-size:.86rem}.btco-search-clear{color:var(--text-muted);font-size:.75rem}.btco-segmented-tabs{border-bottom:1px solid var(--border-subtle);gap:4px;padding:0 14px 10px;display:flex}.btco-segment-tab{color:var(--text-secondary);transition:var(--transition-fast);background:0 0;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:6px;padding:8px 6px;font-size:.8rem;font-weight:600;display:flex}.btco-segment-tab:hover{background-color:var(--bg-hover);color:var(--text-primary)}.btco-segment-tab.active{background-color:var(--btco-red-subtle);color:var(--btco-red)}.btco-conversation-list{flex-direction:column;flex:1;gap:2px;padding:4px 8px;display:flex;overflow-y:auto}.btco-list-section-header{letter-spacing:.08em;color:var(--text-muted);justify-content:space-between;align-items:center;padding:8px 8px 4px;font-size:.68rem;font-weight:700;display:flex}.btco-section-add-btn{color:var(--btco-red);align-items:center;gap:3px;font-size:.72rem;font-weight:700;display:flex}.btco-chat-row{cursor:pointer;border-radius:12px;align-items:center;gap:12px;padding:10px;transition:background-color .12s;display:flex}.btco-chat-row:hover{background-color:var(--bg-hover)}.btco-chat-row.active{background-color:var(--bg-active);border:1px solid var(--btco-red-subtle)}.btco-channel-avatar{background-color:var(--btco-red-subtle);width:44px;height:44px;color:var(--btco-red);border:1px solid var(--border-subtle);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.btco-contact-avatar-wrap{flex-shrink:0;width:44px;height:44px;position:relative}.btco-avatar-circle{object-fit:cover;background-color:var(--bg-search);border:1px solid var(--border-subtle);border-radius:50%;width:100%;height:100%}.btco-contact-avatar-wrap .btco-status-dot{position:absolute;bottom:0;right:0}.btco-row-body{flex-direction:column;flex:1;gap:3px;display:flex;overflow:hidden}.btco-row-top{justify-content:space-between;align-items:center;display:flex}.btco-row-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.94rem;font-weight:600;overflow:hidden}.btco-dept-chip{background:var(--bg-search);color:var(--text-muted);border-radius:4px;padding:2px 6px;font-size:.65rem}.btco-emp-badge{font-size:.68rem;font-family:var(--font-mono);color:var(--btco-red);font-weight:600}.btco-row-bottom{justify-content:space-between;align-items:center;gap:6px;display:flex}.btco-snippet-wrap{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.btco-row-snippet{color:var(--text-secondary);font-size:.82rem}.btco-online-chip{color:var(--status-online);letter-spacing:.05em;font-size:.6rem;font-weight:800}.btco-unread-badge{background-color:var(--btco-red);color:#fff;border-radius:10px;justify-content:center;align-items:center;min-width:19px;height:19px;padding:0 5px;font-size:.7rem;font-weight:700;display:flex}.btco-mobile-bottom-nav{display:none}.btco-chat-panel{background-color:var(--chat-canvas-bg);flex-direction:column;flex:1;height:100%;display:flex;position:relative;overflow:hidden}.btco-chat-header{background-color:var(--bg-header);border-bottom:1px solid var(--border-main);z-index:10;flex-shrink:0;justify-content:space-between;align-items:center;height:64px;padding:10px 18px;display:flex}.btco-header-empty{justify-content:center}.btco-header-placeholder{color:var(--text-muted);flex-direction:column;align-items:center;gap:10px;font-size:.95rem;display:flex}.btco-header-left{align-items:center;gap:12px;display:flex;overflow:hidden}.btco-mobile-back-btn{display:none}.btco-header-avatar-box{flex-shrink:0;width:42px;height:42px}.btco-channel-avatar-sm{background-color:var(--btco-red-subtle);width:100%;height:100%;color:var(--btco-red);border-radius:10px;justify-content:center;align-items:center;display:flex}.btco-avatar-relative{width:100%;height:100%;position:relative}.btco-header-avatar-circle{object-fit:cover;border:1px solid var(--border-main);border-radius:50%;width:100%;height:100%}.btco-avatar-relative 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6px;font-size:.68rem}.btco-header-subline{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.74rem;overflow:hidden}.btco-header-right,.btco-desktop-header-actions{align-items:center;gap:6px;display:flex}.btco-mobile-header-actions{display:none}.btco-header-search-bar-expanded{align-items:center;gap:12px;width:100%;display:flex}.btco-header-search-bar-expanded input{background-color:var(--bg-search);border:1px solid var(--border-focus);color:var(--text-primary);box-shadow:0 0 0 2px var(--btco-red-subtle);border-radius:10px;outline:none;flex:1;padding:8px 14px;font-size:.9rem}.btco-search-close-btn{color:var(--text-muted);flex-shrink:0}.btco-search-close-btn:hover{color:var(--btco-red)}.btco-call-group{align-items:center;gap:6px;display:flex}.btco-call-btn{transition:var(--transition-fast);border-radius:8px;align-items:center;gap:6px;padding:7px 12px;font-size:.82rem;font-weight:600;display:flex}.btco-voice-call-btn{color:var(--status-online);background-color:#10b9811f;border:1px solid #10b9814d}.btco-voice-call-btn:hover{background-color:#10b9813d}.btco-video-call-btn{background-color:var(--btco-red-subtle);color:var(--btco-red);border:1px solid #e11d2a4d}.btco-video-call-btn:hover{background-color:#e11d2a33}.btco-voice-call-icon-btn{transition:background .18s,transform .14s,box-shadow .18s;color:var(--status-online)!important;background:#10b98114!important;border:1.5px solid #10b98140!important;border-radius:50%!important;width:36px!important;height:36px!important;padding:0!important}.btco-voice-call-icon-btn:hover{background:#10b98133!important;transform:scale(1.1)!important;box-shadow:0 0 0 4px #10b9811f!important}.btco-video-call-icon-btn{transition:background .18s,transform .14s,box-shadow .18s;color:var(--btco-red)!important;background:#e11d2a12!important;border:1.5px solid #e11d2a38!important;border-radius:50%!important;width:36px!important;height:36px!important;padding:0!important}.btco-video-call-icon-btn:hover{background:#e11d2a2e!important;transform:scale(1.1)!important;box-shadow:0 0 0 4px #e11d2a1a!important}.btco-header-vert-divider{background-color:var(--border-main);width:1px;height:22px;margin:0 4px}.btco-inline-search-box{background-color:var(--bg-search);border:1px solid var(--border-focus);border-radius:8px;align-items:center;gap:6px;padding:4px 10px;display:flex}.btco-inline-search-box input{color:var(--text-primary);background:0 0;border:none;width:130px;font-size:.82rem}.btco-inline-search-close{color:var(--text-muted);font-size:.75rem}.active-pin{color:var(--btco-red)!important}.btco-chat-canvas{background-color:var(--bg-deep);flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.btco-security-banner{background-color:var(--bg-card);color:var(--text-secondary);box-shadow:var(--shadow-sm);border:1px solid var(--border-subtle);letter-spacing:.02em;border-radius:20px;align-self:center;align-items:center;gap:8px;margin-bottom:8px;padding:6px 16px;font-size:.74rem;font-weight:500;display:flex}.btco-date-divider-wrap{align-items:center;gap:14px;margin:16px 0 10px;display:flex}.btco-date-line{background-color:var(--border-main);flex:1;height:1px}.btco-date-pill{color:var(--text-muted);letter-spacing:.08em;padding:0 4px;font-size:.7rem;font-weight:700}.btco-call-log-row{width:100%;margin:8px 0;display:flex}.btco-call-log-row.msg-own{justify-content:flex-end}.btco-call-card{width:100%;max-width:440px;box-shadow:var(--shadow-sm);border-radius:14px;align-items:center;gap:12px;padding:12px 16px;transition:all .15s;display:flex}.btco-call-card.is-missed{background-color:#e11d2a14;border:1px solid #e11d2a59}[data-theme=light] .btco-call-card.is-missed{background-color:#fef2f2;border-color:#d3101b4d}.btco-call-card.is-completed{background-color:#10b98114;border:1px solid #10b9814d}[data-theme=light] .btco-call-card.is-completed{background-color:#f0fdf4;border-color:#10b9814d}.btco-call-icon-wrap{background-color:var(--bg-panel);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex;box-shadow:0 2px 6px #00000026}.is-missed .btco-call-icon-wrap{background-color:#e11d2a24}.is-completed .btco-call-icon-wrap{background-color:#10b98124}.btco-call-card-body{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.btco-call-card-top{justify-content:space-between;align-items:center;gap:8px;display:flex}.btco-call-card-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.92rem;font-weight:700;overflow:hidden}.is-missed .btco-call-card-title{color:var(--btco-red)}.btco-call-card-time{color:var(--text-muted);flex-shrink:0;font-size:.72rem}.btco-call-card-bottom{justify-content:space-between;align-items:center;gap:10px;display:flex}.btco-call-card-sub{color:var(--text-secondary);font-size:.78rem}.btco-call-back-btn{background-color:var(--btco-red);color:#fff;cursor:pointer;box-shadow:0 2px 6px var(--btco-red-glow);border:none;border-radius:8px;flex-shrink:0;align-items:center;gap:6px;padding:5px 12px;font-size:.76rem;font-weight:700;transition:all .15s;display:inline-flex}.btco-call-back-btn:hover{background-color:var(--btco-red-hover);transform:translateY(-1px)}.btco-msg-item{border-left:3px solid #0000;border-radius:10px;align-items:flex-start;gap:14px;padding:8px 12px;transition:background-color .12s;display:flex;position:relative}.btco-msg-item:hover{background-color:var(--bg-hover)}.btco-msg-item.msg-own{border-left-color:var(--btco-red);background-color:#e11d2a08}.btco-msg-item.msg-pinned{background-color:#f59e0b0f;border-left-color:#f59e0b}.btco-msg-avatar-col{flex-shrink:0;width:38px;height:38px;margin-top:2px}.btco-msg-avatar{object-fit:cover;background-color:var(--bg-search);border:1px solid var(--border-subtle);border-radius:8px;width:100%;height:100%}.btco-msg-content-col{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.btco-msg-header{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.btco-msg-author{color:var(--text-primary);font-size:.92rem;font-weight:700}.btco-msg-you-tag{color:var(--btco-red);background-color:var(--btco-red-subtle);letter-spacing:.04em;border-radius:4px;padding:1px 5px;font-size:.62rem;font-weight:800}.btco-msg-empid{font-family:var(--font-mono);color:var(--text-secondary);background-color:var(--bg-search);border-radius:4px;padding:1px 6px;font-size:.68rem;font-weight:700}.btco-msg-dept{color:var(--text-muted);font-size:.7rem}.btco-msg-timestamp{color:var(--text-muted);margin-left:2px;font-size:.72rem}.btco-msg-tick-wrap{vertical-align:middle;align-items:center;margin-left:4px;display:inline-flex}.btco-tick-grey{color:var(--text-muted);opacity:.85}.btco-tick-blue{filter:drop-shadow(0 0 2px #38bdf873);animation:.25s ease-out tickPop;color:var(--blue-tick)!important}@keyframes tickPop{0%{transform:scale(.7)}60%{transform:scale(1.2)}to{transform:scale(1)}}.btco-toast-banner{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--text-primary);pointer-events:none;background:#131821f2;border:1px solid #10b98159;border-radius:20px;align-items:center;gap:8px;padding:6px 18px;font-size:.82rem;font-weight:500;animation:.22s ease-out fadeInDown;display:flex;position:absolute;top:14px;left:50%;transform:translate(-50%);box-shadow:0 4px 18px #00000073}[data-theme=light] .btco-toast-banner{background:#fffffff5;border-color:#10b98166;box-shadow:0 4px 16px #0000001f}@keyframes fadeInDown{0%{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%)}}.btco-msg-pinned-tag{color:#f59e0b;align-items:center;gap:3px;margin-left:auto;font-size:.68rem;font-weight:700;display:inline-flex}.btco-msg-body{color:var(--text-primary);word-break:break-word;font-size:.93rem;line-height:1.55}.btco-msg-body p{white-space:pre-wrap}.btco-quoted-box{background:var(--bg-search);border-left:3px solid var(--btco-red);border-radius:6px;max-width:600px;margin:2px 0 4px;padding:6px 12px}.btco-quoted-sender{color:var(--btco-red);font-size:.74rem;font-weight:700}.btco-quoted-text{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;overflow:hidden}.btco-attachments-box{flex-direction:column;gap:8px;margin:4px 0;display:flex}.btco-image-card{cursor:pointer;border:1px solid var(--border-subtle);border-radius:8px;max-width:320px;max-height:240px;position:relative;overflow:hidden}.btco-chat-img{object-fit:cover;width:100%;height:100%;display:block}.btco-img-overlay{color:#fff;opacity:0;background:#00000080;justify-content:center;align-items:center;gap:6px;font-size:.8rem;font-weight:600;transition:opacity .15s;display:flex;position:absolute;inset:0}.btco-image-card:hover .btco-img-overlay{opacity:1}.btco-doc-card{background:var(--bg-search);border:1px solid var(--border-subtle);border-radius:8px;align-items:center;gap:12px;min-width:260px;max-width:420px;padding:8px 12px;display:flex}.btco-doc-icon-badge{flex-direction:column;justify-content:center;align-items:center;display:flex}.btco-doc-tag{font-size:.55rem;font-weight:800}.btco-doc-info{flex-direction:column;flex:1;display:flex;overflow:hidden}.btco-doc-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;font-weight:600;overflow:hidden}.btco-doc-sub{color:var(--text-secondary);font-size:.7rem}.btco-doc-btns{align-items:center;gap:4px;display:flex}.btco-doc-btn{color:var(--text-secondary);border-radius:6px;padding:6px;transition:color .15s}.btco-doc-btn:hover{color:var(--btco-red)}.btco-msg-hover-toolbar{background-color:var(--bg-header);border:1px solid var(--border-main);box-shadow:var(--shadow-md);opacity:0;pointer-events:none;z-index:10;border-radius:8px;align-items:center;gap:3px;padding:2px 6px;transition:opacity .15s;display:flex;position:absolute;top:-12px;right:14px}.btco-msg-item:hover 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16px}.btco-reply-banner{background:var(--bg-search);border-radius:8px;align-items:center;gap:8px;margin-bottom:8px;padding:6px 12px;display:flex}.btco-reply-line{background-color:var(--btco-red);border-radius:2px;width:3px;height:28px}.btco-reply-content{flex-direction:column;flex:1;display:flex;overflow:hidden}.btco-reply-sender{color:var(--btco-red);font-size:.76rem;font-weight:700}.btco-reply-text{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.76rem;overflow:hidden}.btco-reply-close{color:var(--text-secondary)}.btco-attachments-preview-strip{gap:8px;padding:4px 0 8px;display:flex;overflow-x:auto}.btco-preview-chip{background:var(--bg-search);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:12px;align-items:center;gap:6px;padding:4px 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var(--btco-red);z-index:5;background-color:#111827;border-radius:10px;width:130px;height:88px;position:absolute;top:64px;right:16px;overflow:hidden;box-shadow:0 4px 16px #0009}.local-pip-video{object-fit:cover;width:100%;height:100%;display:block}.pip-label{color:#fff;background:#0009;border-radius:4px;padding:1px 5px;font-size:.62rem;font-weight:700;position:absolute;bottom:4px;left:6px}.audio-call-visualizer{background:radial-gradient(circle,#1a2536 0%,#0d1117 100%);flex-direction:column;justify-content:center;align-items:center;gap:18px;width:100%;height:100%;display:flex}.audio-peer-avatar{object-fit:cover;border:3px solid var(--btco-red);background-color:#1e293b;border-radius:50%;width:110px;height:110px;box-shadow:0 4px 28px #e11d2a59}.sound-wave-bars{align-items:center;gap:4px;height:26px;display:flex}.sound-wave-bars .sound-bar{background-color:var(--btco-red);border-radius:2px;width:4px;animation:1.2s ease-in-out infinite soundWave}.sound-wave-bars .b1{animation-delay:0s}.sound-wave-bars .b2{animation-delay:.2s}.sound-wave-bars .b3{animation-delay:.4s}.sound-wave-bars .b4{animation-delay:.15s}.sound-wave-bars .b5{animation-delay:.35s}@keyframes soundWave{0%,to{height:6px}50%{height:26px}}.audio-active-label{color:#94a3b8;align-items:center;gap:6px;font-size:.84rem;font-weight:600;display:flex}.call-controls-bar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:10;background:#0d1117e0;border:1px solid #ffffff1f;border-radius:32px;align-items:center;gap:14px;padding:10px 20px;display:flex;position:absolute;bottom:20px;left:50%;transform:translate(-50%);box-shadow:0 4px 20px #00000080}.control-btn{color:#fff;cursor:pointer;background:#ffffff1a;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;transition:all .15s;display:flex}.control-btn:hover{background:#ffffff38;transform:scale(1.06)}.control-btn.btn-active-danger{color:#fff!important;background-color:#ef4444!important}.control-btn.btn-active-accent{background-color:var(--btco-red)!important;color:#fff!important}.control-btn.btn-hangup{width:48px;height:48px;box-shadow:0 4px 16px #ef444480;color:#fff!important;background-color:#ef4444!important}.control-btn.btn-hangup:hover{transform:scale(1.1);background-color:#dc2626!important}.btco-mobile-backdrop{display:none}@media (width<=768px){.mobile-showing-directory .btco-sidebar{width:100vw;display:flex}.mobile-showing-directory .btco-chat-panel{display:none}.mobile-showing-directory .btco-mobile-bottom-nav{background-color:var(--bg-header);border-top:1px solid var(--border-main);height:60px;padding-bottom:env(safe-area-inset-bottom);flex-shrink:0;justify-content:space-around;align-items:center;display:flex}.btco-bottom-nav-item{color:var(--text-secondary);transition:var(--transition-fast);border-radius:8px;flex-direction:column;align-items:center;gap:3px;padding:6px 12px;font-size:.72rem;font-weight:600;display:flex}.btco-bottom-nav-item.active{color:var(--btco-red)}.mobile-showing-chat .btco-sidebar{display:none}.mobile-showing-chat .btco-chat-panel{width:100vw;display:flex}.btco-mobile-back-btn{display:flex}.btn-label-desktop{display:none}.btco-call-btn{padding:6px 8px}.btco-msg-item{gap:10px;padding:8px 6px}.btco-messages-scroll-area{padding:12px 10px}.btco-composer-wrapper{padding:8px 10px calc(8px + env(safe-area-inset-bottom))}.tool-label-desktop{display:none}.btco-auth-top-bar{height:auto;min-height:58px;padding:12px 16px}.btco-brand-text-col{display:none}.btco-auth-card{border-radius:14px;padding:24px 18px}}.btco-clickable-header{cursor:pointer;border-radius:8px;margin:-4px -8px;padding:4px 8px;transition:background-color .15s}.btco-clickable-header:hover{background-color:var(--bg-hover)}.btco-row-action-btn{width:28px;height:28px;color:var(--text-muted);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;margin-left:4px;transition:all .15s;display:flex}.btco-row-action-btn:hover{color:var(--btco-red);background-color:var(--btco-red-subtle)}.btco-voice-player{align-items:center;gap:12px;min-width:260px;max-width:340px;padding:6px 4px;display:flex}.btco-voice-play-btn{background-color:var(--btco-red);color:#fff;width:38px;height:38px;box-shadow:0 2px 8px var(--btco-red-glow);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:transform .15s,background-color .15s;display:flex}.btco-voice-play-btn:hover{background-color:var(--btco-red-hover);transform:scale(1.08)}.btco-voice-body{flex-direction:column;flex:1;gap:4px;display:flex;overflow:hidden}.btco-voice-track-wrap{align-items:center;width:100%;height:18px;display:flex;position:relative}.btco-voice-scrubber{appearance:none;background:var(--border-main);cursor:pointer;width:100%;height:4px;accent-color:var(--btco-red);border-radius:2px;outline:none}.btco-voice-scrubber::-webkit-slider-thumb{appearance:none;background:var(--btco-red);cursor:pointer;border-radius:50%;width:12px;height:12px;box-shadow:0 0 4px #0006}.btco-voice-meta-row{color:var(--text-secondary);justify-content:space-between;align-items:center;font-size:.72rem;display:flex}.btco-voice-time{font-family:var(--font-mono);font-size:.7rem}.btco-voice-tag{color:var(--text-muted);align-items:center;gap:4px;font-size:.7rem;font-weight:600;display:inline-flex}.btco-recording-bar{background-color:var(--bg-search);border:1px solid var(--btco-red);border-radius:22px;justify-content:space-between;align-items:center;width:100%;padding:6px 10px;animation:.2s ease-out fadeIn;display:flex}.btco-rec-indicator{align-items:center;gap:10px;display:flex}.btco-rec-dot{background-color:var(--btco-red);border-radius:50%;width:10px;height:10px;animation:1s infinite alternate pulseGlow}.btco-rec-timer{font-family:var(--font-mono);color:var(--btco-red);font-size:.95rem;font-weight:700}.btco-rec-wave{align-items:center;gap:3px;height:18px;display:flex}.btco-rec-wave span{background-color:var(--btco-red);border-radius:2px;width:3px;height:100%;animation:1.2s ease-in-out infinite recWave}.btco-rec-wave .w1{animation-delay:0s}.btco-rec-wave .w2{animation-delay:.2s}.btco-rec-wave .w3{animation-delay:.4s}.btco-rec-wave .w4{animation-delay:.6s}@keyframes recWave{0%,to{height:4px}50%{height:16px}}.btco-rec-label{color:var(--text-secondary);font-size:.8rem;font-style:italic}.btco-rec-actions{align-items:center;gap:8px;display:flex}.btco-rec-cancel-btn{color:var(--text-secondary);border-radius:14px;align-items:center;gap:4px;padding:6px 12px;font-size:.82rem;font-weight:600;transition:all .15s;display:flex}.btco-rec-cancel-btn:hover{color:var(--btco-red);background-color:#e11d2a1a}.btco-rec-send-btn{background-color:var(--btco-red);color:#fff;box-shadow:0 2px 8px var(--btco-red-glow);border-radius:14px;align-items:center;gap:6px;padding:6px 14px;font-size:.84rem;font-weight:700;transition:transform .15s,background-color .15s;display:flex}.btco-rec-send-btn:hover{background-color:var(--btco-red-hover);transform:scale(1.05)}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background-color:#000000b3;justify-content:center;align-items:center;padding:16px;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0;overflow-y:auto}.btco-profile-card{background-color:var(--bg-panel);border:1px solid var(--border-main);width:100%;max-width:520px;max-height:90vh;box-shadow:var(--shadow-lg);border-radius:18px;flex-direction:column;animation:.2s ease-out scaleUp;display:flex;overflow-y:auto}@keyframes scaleUp{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.btco-modal-card{background-color:var(--bg-panel);border:1px solid var(--border-main);z-index:1001;border-radius:18px;flex-direction:column;width:100%;max-width:540px;max-height:88vh;animation:.2s cubic-bezier(.16,1,.3,1) scaleUp;display:flex;overflow:hidden;box-shadow:0 25px 60px #0000008c}.btco-modal-form{background-color:var(--bg-panel);flex-direction:column;gap:16px;padding:22px 24px;display:flex;overflow-y:auto}.btco-modal-actions-footer{border-top:1px solid var(--border-subtle);justify-content:flex-end;align-items:center;gap:10px;margin-top:6px;padding-top:14px;display:flex}.btco-channel-icon-circle{background:#e11d2a1f;border:1px solid #e11d2a47;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;display:flex}.btco-channel-icons-grid{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}.btco-icon-select-btn{border:1px solid var(--border-color);background:var(--bg-surface-hover);color:var(--text-secondary);cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:7px 12px;font-size:.78rem;font-weight:600;transition:all .15s;display:inline-flex}.btco-icon-select-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.btco-icon-select-btn.active{border-color:var(--btco-red);color:#ff6b72;background:#e11d2a26}.btco-modal-form .btco-input-wrap{background-color:var(--bg-surface-hover);border:1px solid var(--border-color);border-radius:10px;padding:0 14px}.btco-modal-form .btco-input-wrap:focus-within{border-color:var(--btco-red);box-shadow:0 0 0 2px var(--btco-red-subtle)}.btco-modal-form .btco-field-group label{color:var(--text-primary);text-transform:uppercase;letter-spacing:.04em;font-size:.76rem;font-weight:700}.btco-modal-top-bar{border-bottom:1px solid var(--border-subtle);flex-shrink:0;justify-content:space-between;align-items:center;height:56px;padding:0 20px;display:flex}.btco-modal-title-row{align-items:center;gap:10px;display:flex}.btco-modal-brand-badge{background:#fff;border:1px solid #e11d2a47;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:26px;padding:2px 3px;display:inline-flex;overflow:hidden;box-shadow:0 1px 4px #0000001f}.btco-modal-brand-img{object-fit:contain;width:100%;height:100%;display:block}.btco-modal-title-row h2{color:var(--text-primary);font-size:1rem;font-weight:700}.btco-profile-hero{background:linear-gradient(180deg, var(--btco-red-subtle) 0%, transparent 100%);border-bottom:1px solid var(--border-subtle);align-items:center;gap:18px;padding:24px 20px;display:flex}.btco-hero-avatar-box{flex-shrink:0;width:76px;height:76px;position:relative}.btco-hero-avatar{object-fit:cover;border:3px solid var(--btco-red);background-color:var(--bg-search);border-radius:50%;width:100%;height:100%}.btco-hero-avatar-box .hero-online{background-color:var(--status-online);border:2px solid var(--bg-panel);border-radius:50%;width:15px;height:15px;position:absolute;bottom:2px;right:2px}.btco-hero-info{flex-direction:column;gap:4px;display:flex;overflow:hidden}.btco-hero-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:1.25rem;font-weight:800;overflow:hidden}.btco-hero-tags{flex-wrap:wrap;gap:6px;margin:2px 0;display:flex}.btco-pill-emp-id{font-family:var(--font-mono);background-color:var(--btco-red-subtle);color:var(--btco-red);border-radius:6px;padding:2px 8px;font-size:.72rem;font-weight:700}.btco-pill-dept,.btco-pill-role{background-color:var(--bg-search);color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:6px;padding:2px 8px;font-size:.72rem}.btco-hero-email{color:var(--text-secondary);align-items:center;gap:6px;font-size:.78rem;display:flex}.btco-colleague-view-body{flex-direction:column;gap:18px;padding:20px;display:flex}.btco-colleague-actions-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.btco-action-card{background-color:var(--bg-search);border:1px solid var(--border-subtle);cursor:pointer;color:var(--text-primary);border-radius:12px;flex-direction:column;align-items:center;gap:8px;padding:14px 10px;font-size:.82rem;font-weight:600;transition:all .15s;display:flex}.btco-action-card:hover{border-color:var(--btco-red);background-color:var(--bg-hover);transform:translateY(-2px)}.btco-info-list{background-color:var(--bg-search);border:1px solid var(--border-subtle);border-radius:12px;flex-direction:column;gap:12px;padding:16px;display:flex}.btco-info-item{justify-content:space-between;align-items:center;font-size:.86rem;display:flex}.btco-info-label{color:var(--text-secondary);font-size:.8rem}.btco-info-val{color:var(--text-primary);font-weight:600}.btco-mono{font-family:var(--font-mono)}.btco-settings-wrapper{flex-direction:column;display:flex}.btco-settings-nav-tabs{border-bottom:1px solid var(--border-subtle);background-color:var(--bg-app);padding:0 20px;display:flex}.btco-setting-tab{color:var(--text-secondary);border-bottom:2px solid #0000;padding:12px 16px;font-size:.86rem;font-weight:600;transition:all .15s}.btco-setting-tab:hover{color:var(--text-primary)}.btco-setting-tab.active{color:var(--btco-red);border-bottom-color:var(--btco-red)}.btco-feedback-banner{border-radius:8px;margin:14px 20px 0;padding:10px 14px;font-size:.84rem;font-weight:500}.btco-feedback-banner.success{color:var(--status-online);background-color:#10b9811f;border:1px solid #10b98159}.btco-feedback-banner.error{color:var(--btco-red);background-color:#e11d2a1f;border:1px solid #e11d2a59}.btco-settings-form{flex-direction:column;gap:14px;padding:20px;display:flex}.btco-modal-btn-row{justify-content:flex-end;margin-top:6px;display:flex}.btco-btn-primary{background-color:var(--btco-red);color:#fff;box-shadow:0 2px 8px var(--btco-red-glow);border-radius:10px;align-items:center;gap:8px;padding:10px 20px;font-size:.88rem;font-weight:700;transition:all .15s;display:inline-flex}.btco-btn-primary:hover:not(:disabled){background-color:var(--btco-red-hover);transform:translateY(-1px)}.btco-btn-secondary{background-color:var(--bg-hover);color:var(--text-primary);border:1px solid var(--border-main);border-radius:8px;align-items:center;gap:8px;padding:8px 14px;font-size:.84rem;font-weight:600;transition:all .15s;display:inline-flex}.btco-btn-secondary:hover{border-color:var(--btco-red)}.btco-preferences-view{flex-direction:column;gap:14px;padding:20px;display:flex}.btco-pref-item{background-color:var(--bg-search);border:1px solid var(--border-subtle);border-radius:10px;justify-content:space-between;align-items:center;gap:16px;padding:14px;display:flex}.btco-pref-info{flex-direction:column;gap:3px;display:flex}.btco-pref-title{color:var(--text-primary);font-size:.9rem;font-weight:600}.btco-pref-desc{color:var(--text-secondary);font-size:.78rem}.btco-active-tag{color:var(--status-online);background-color:#10b9811f;border:1px solid #10b9814d;border-radius:6px;padding:3px 8px;font-size:.72rem;font-weight:700}.btco-settings-logout-bar{border-top:1px solid var(--border-subtle);justify-content:center;padding:12px 20px 20px;display:flex}.btco-logout-btn{color:var(--btco-red);background-color:#e11d2a0f;border:1px solid #e11d2a4d;border-radius:8px;align-items:center;gap:8px;padding:8px 18px;font-size:.86rem;font-weight:600;transition:all .15s;display:flex}.btco-logout-btn:hover{background-color:#e11d2a26}.btco-avatar-edit-badge{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);color:#fff;opacity:0;cursor:pointer;z-index:5;background-color:#0000009e;border:none;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:2px;transition:opacity .2s,transform .2s;display:flex;position:absolute;inset:0}.btco-hero-avatar-box:hover .btco-avatar-edit-badge{opacity:1}.btco-avatar-edit-badge span{letter-spacing:.5px;text-transform:uppercase;font-size:.65rem;font-weight:700}.btco-avatar-uploader-card{background-color:var(--bg-search);border:1px solid var(--border-subtle);border-radius:12px;align-items:center;gap:16px;padding:14px 16px;transition:border-color .2s,background-color .2s;display:flex}.btco-avatar-uploader-card:hover{border-color:#e11d2a73}.btco-avatar-uploader-preview{border:2.5px solid var(--btco-red);background-color:var(--bg-app);border-radius:50%;flex-shrink:0;width:58px;height:58px;position:relative;overflow:hidden;box-shadow:0 4px 12px #00000040}.btco-uploader-preview-img{object-fit:cover;width:100%;height:100%;display:block}.btco-uploader-loading-overlay{color:#fff;background-color:#000000a6;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.btco-avatar-uploader-meta{flex-direction:column;flex:1;gap:8px;min-width:0;display:flex}.btco-uploader-text{flex-direction:column;gap:2px;display:flex}.btco-uploader-text strong{color:var(--text-primary);font-size:.88rem;font-weight:700}.btco-uploader-text span{color:var(--text-secondary);font-size:.75rem}.btco-uploader-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.btco-btn-file-upload{background-color:var(--btco-red);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:7px;padding:8px 16px;font-size:.82rem;font-weight:600;transition:all .15s;display:inline-flex;box-shadow:0 2px 8px #e11d2a4d}.btco-btn-file-upload:hover:not(:disabled){background-color:var(--btco-red-hover);transform:translateY(-1px);box-shadow:0 4px 12px #e11d2a73}.btco-btn-file-upload:disabled{opacity:.65;cursor:not-allowed}.btco-btn-remove-avatar{color:var(--text-secondary);border:1px solid var(--border-subtle);cursor:pointer;background-color:#0000;border-radius:8px;align-items:center;gap:6px;padding:8px 13px;font-size:.82rem;font-weight:600;transition:all .15s;display:inline-flex}.btco-btn-remove-avatar:hover:not(:disabled){color:var(--btco-red);background-color:#e11d2a1f;border-color:#e11d2a59}.btco-btn-remove-avatar:disabled{opacity:.5;cursor:not-allowed}.media-modal-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2000;background-color:#000000d1;justify-content:center;align-items:center;padding:20px;animation:.2s ease-out 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.15s;display:inline-flex}.media-action-btn:hover{background-color:var(--bg-hover);color:var(--text-primary);border-color:var(--border-focus)}.media-action-btn.btn-primary-action{background-color:var(--btco-red);color:#fff;border-color:var(--btco-red)}.media-action-btn.btn-primary-action:hover{background-color:var(--btco-red-hover)}.media-header-divider{background-color:var(--border-subtle);width:1px;height:24px;margin:0 4px}.media-close-btn{width:36px;height:36px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .15s;display:flex}.media-close-btn:hover{color:var(--btco-red);background-color:#e11d2a1f}.media-modal-body{background-color:#0b0e14;flex:1;justify-content:center;align-items:center;min-height:0;display:flex;position:relative;overflow:hidden}[data-theme=light] .media-modal-body{background-color:#2b2b2b}.image-viewer-frame{justify-content:center;align-items:center;width:100%;height:100%;padding:20px;display:flex}.fullscreen-preview-img{object-fit:contain;border-radius:8px;max-width:100%;max-height:100%;box-shadow:0 8px 30px #00000080}.pdf-viewer-frame{flex-direction:column;width:100%;height:100%;display:flex}.pdf-iframe{background-color:#525659;border:none;width:100%;height:100%}.generic-file-view,.pdf-fallback-card{color:#fff;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:30px;display:flex}.pdf-fallback-actions{align-items:center;gap:12px;margin-top:10px;display:flex}.media-modal-footer{background-color:var(--bg-header);border-top:1px solid var(--border-subtle);height:40px;color:var(--text-muted);flex-shrink:0;justify-content:center;align-items:center;gap:8px;padding:0 20px;font-size:.74rem;display:flex}.btco-modal-backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:1050;background-color:#000000b8;justify-content:center;align-items:center;padding:16px;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.btco-forward-modal{background-color:var(--bg-panel);border:1px solid var(--border-main);width:100%;max-width:480px;max-height:85vh;box-shadow:var(--shadow-lg);border-radius:16px;flex-direction:column;animation:.2s ease-out scaleUp;display:flex;overflow:hidden}.btco-modal-header{border-bottom:1px solid var(--border-subtle);flex-shrink:0;justify-content:space-between;align-items:center;height:56px;padding:0 20px;display:flex}.btco-modal-header-left{align-items:center;gap:10px;display:flex}.btco-modal-title{color:var(--text-primary);font-size:1.05rem;font-weight:700}.btco-forward-preview-box{background:var(--bg-search);border-left:3px solid var(--btco-red);border-radius:10px;margin:14px 18px 8px;padding:10px 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