:root{--bg-dark: #0e1621;--bg-sidebar: #17212b;--bg-chat: #0e1621;--bg-input: #17212b;--bg-card: #242f3d;--bg-hover: #202b36;--bg-active: #2b5278;--tg-blue: #2AABEE;--tg-blue-dark: #229ED9;--tg-accent-green: #31b545;--tg-badge-red: #e53935;--text-main: #f5f5f5;--text-secondary: #7f91a4;--text-muted: #627485;--bubble-incoming: #182533;--bubble-outgoing: #2b5278;--border-color: #101921;--shadow-main: 0 8px 32px rgba(0, 0, 0, .4);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;margin:0;padding:0;font-family:var(--font-family);-webkit-font-smoothing:antialiased}body,html{width:100%;height:100%;background-color:var(--bg-dark);color:var(--text-main);overflow:hidden}#root{width:100vw;height:100vh;height:100dvh;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.3)}.app-container{display:flex;width:100%;height:100%;background:var(--bg-dark);position:relative}.top-nav-bar{height:44px;background:#101721;border-bottom:1px solid #1c2733;display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:100}.top-nav-bar .logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:var(--text-main)}.top-nav-bar .logo svg{color:var(--tg-blue)}.role-switcher{display:flex;background:#17212b;padding:3px;border-radius:8px;border:1px solid #242f3d}.role-btn{padding:5px 14px;border-radius:6px;border:none;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:6px}.role-btn.active{background:var(--tg-blue);color:#fff;font-weight:600;box-shadow:0 2px 8px #2aabee66}.role-btn:hover:not(.active){color:var(--text-main);background:rgba(255,255,255,.05)}.sidebar{width:340px;background:var(--bg-sidebar);border-right:1px solid var(--border-color);display:flex;flex-direction:column;height:100%;flex-shrink:0}.sidebar-header{padding:14px 16px;border-bottom:1px solid #101921;display:flex;align-items:center;justify-content:space-between}.sidebar-title{font-size:16px;font-weight:600;display:flex;align-items:center;gap:8px}.sidebar-actions{display:flex;gap:8px}.icon-btn{background:transparent;border:none;color:var(--text-secondary);width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s,color .2s}.icon-btn:hover{background:rgba(255,255,255,.08);color:var(--text-main)}.search-box{padding:10px 16px}.search-input-wrapper{position:relative;display:flex;align-items:center}.search-input-wrapper svg{position:absolute;left:12px;color:var(--text-muted);width:16px;height:16px}.search-input{width:100%;background:var(--bg-input);border:1px solid transparent;border-radius:20px;padding:8px 12px 8px 36px;color:var(--text-main);font-size:14px;outline:none;transition:all .2s}.search-input:focus{border-color:var(--tg-blue);background:#1c2733}.customer-list{flex:1;overflow-y:auto}.customer-item{display:flex;align-items:center;padding:12px 16px;gap:12px;cursor:pointer;transition:background .15s ease;border-bottom:1px solid rgba(0,0,0,.1);position:relative}.customer-item:hover{background:var(--bg-hover)}.customer-item.active{background:var(--bg-active)}.avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#2aabee 0%,#229ed9 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:18px;flex-shrink:0;position:relative;box-shadow:0 2px 6px #0003}.status-indicator{width:12px;height:12px;border-radius:50%;background:var(--tg-accent-green);border:2px solid var(--bg-sidebar);position:absolute;bottom:0;right:0}.customer-info{flex:1;min-width:0}.customer-name-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.customer-name{font-weight:600;font-size:15px;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.customer-time{font-size:11px;color:var(--text-muted)}.customer-phone-sub{font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread-badge{background:var(--tg-blue);color:#fff;font-size:11px;font-weight:700;padding:2px 7px;border-radius:10px;min-width:18px;text-align:center}.chat-area{flex:1;display:flex;flex-direction:column;background:var(--bg-chat);position:relative;background-image:radial-gradient(rgba(255,255,255,.03) 1px,transparent 1px);background-size:24px 24px}.chat-header{height:56px;background:var(--bg-sidebar);border-bottom:1px solid var(--border-color);padding:0 20px;display:flex;align-items:center;justify-content:space-between;z-index:10}.chat-header-user{display:flex;align-items:center;gap:12px}.chat-header-user .avatar{width:40px;height:40px;font-size:16px}.user-title{font-weight:600;font-size:16px;color:var(--text-main)}.user-status{font-size:12px;color:var(--text-secondary)}.user-status.online{color:var(--tg-accent-green);font-weight:500}.messages-container{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:10px}.date-divider{align-self:center;background:rgba(0,0,0,.4);color:var(--text-secondary);font-size:12px;padding:4px 12px;border-radius:12px;margin:10px 0}.message-row{display:flex;flex-direction:column;max-width:68%;position:relative;animation:fadeIn .15s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.message-row.incoming{align-self:flex-start}.message-row.outgoing{align-self:flex-end}.message-bubble{padding:10px 14px;border-radius:14px;position:relative;word-break:break-word;font-size:14.5px;line-height:1.45;box-shadow:0 2px 4px #0003}.message-row.incoming .message-bubble{background:var(--bubble-incoming);color:var(--text-main);border-bottom-left-radius:4px}.message-row.outgoing .message-bubble{background:var(--bubble-outgoing);color:#fff;border-bottom-right-radius:4px}.message-sender-tag{font-size:11px;font-weight:700;color:var(--tg-blue);margin-bottom:3px}.message-image{max-width:320px;max-height:320px;border-radius:8px;margin-top:4px;cursor:pointer;transition:transform .2s ease;object-fit:cover;display:block}.message-image:hover{transform:scale(1.02)}.message-meta{display:flex;align-items:center;justify-content:flex-end;gap:4px;font-size:11px;color:#fff9;margin-top:4px;float:right;margin-left:10px}.sms-pill{background:#ff9800;color:#000;font-weight:800;font-size:9px;padding:1px 4px;border-radius:4px;margin-right:4px}.broadcast-pill{background:#9c27b0;color:#fff;font-weight:800;font-size:9px;padding:1px 4px;border-radius:4px;margin-right:4px}.chat-input-area{background:var(--bg-sidebar);border-top:1px solid var(--border-color);padding:12px 16px;display:flex;flex-direction:column;gap:8px}.paste-preview-banner{display:flex;align-items:center;gap:12px;background:var(--bg-card);padding:8px 12px;border-radius:8px;border-left:3px solid var(--tg-blue)}.paste-preview-thumb{width:50px;height:50px;border-radius:6px;object-fit:cover}.paste-preview-info{flex:1}.paste-preview-title{font-size:12px;font-weight:600;color:var(--tg-blue)}.paste-preview-sub{font-size:11px;color:var(--text-secondary)}.input-controls{display:flex;align-items:center;gap:10px}.chat-textarea{flex:1;background:var(--bg-input);border:1px solid transparent;border-radius:12px;padding:10px 14px;color:var(--text-main);font-size:14.5px;outline:none;resize:none;height:42px;max-height:120px}.chat-textarea:focus{border-color:var(--tg-blue)}.send-btn{width:42px;height:42px;border-radius:50%;background:var(--tg-blue);border:none;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #2aabee4d;flex-shrink:0}.send-btn:hover{background:var(--tg-blue-dark);transform:scale(1.05)}.send-btn:disabled{background:var(--bg-card);color:var(--text-muted);cursor:not-allowed;box-shadow:none}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal-content{background:var(--bg-sidebar);border:1px solid var(--bg-card);border-radius:16px;width:90%;max-width:440px;padding:24px;box-shadow:var(--shadow-main);display:flex;flex-direction:column;gap:16px;position:relative}.modal-close-btn{position:absolute;top:18px;right:18px;background:transparent;border:none;color:var(--text-muted);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.modal-close-btn:hover{background:rgba(255,255,255,.1);color:var(--text-main)}.modal-title{font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px}.modal-input{width:100%;background:var(--bg-input);border:1px solid #242f3d;border-radius:10px;padding:12px 14px;color:var(--text-main);font-size:14.5px;outline:none}.modal-input:focus{border-color:var(--tg-blue)}.primary-btn{background:var(--tg-blue);color:#fff;border:none;padding:12px 20px;border-radius:10px;font-weight:600;font-size:14.5px;cursor:pointer;transition:background .2s;display:flex;align-items:center;justify-content:center;gap:8px}.primary-btn:hover{background:var(--tg-blue-dark)}.toast-container{position:fixed;top:60px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{pointer-events:auto;background:var(--bg-card);border-left:4px solid var(--tg-blue);border-radius:10px;padding:12px 16px;box-shadow:0 10px 30px #00000080;display:flex;align-items:center;gap:12px;min-width:280px;animation:slideIn .3s ease-out}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.toast-icon{color:var(--tg-blue)}.toast-body{flex:1}.toast-title{font-size:13px;font-weight:700}.toast-msg{font-size:12px;color:var(--text-secondary)}.lightbox-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.9);z-index:2000;display:flex;align-items:center;justify-content:center;cursor:zoom-out}.lightbox-img{max-width:90vw;max-height:90vh;border-radius:8px;box-shadow:0 0 30px #000c}.empty-chat-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);gap:12px}.empty-chat-bubble{background:rgba(0,0,0,.2);padding:8px 16px;border-radius:16px;font-size:13px}.mobile-back-btn{display:none}@media (max-width: 768px){html,body{-webkit-text-size-adjust:100%;font-size:14px}.top-nav-bar{height:40px;padding:0 8px}.top-nav-bar .logo span{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px}.role-switcher button{padding:3px 6px;font-size:10px}.mobile-hide-text,.customer-chat-mode .customer-sidebar{display:none!important}.customer-chat-mode .chat-area{width:100%!important;flex:1!important}.admin-dashboard-mode .sidebar{width:100%!important;display:flex!important}.admin-dashboard-mode.has-selected .sidebar{display:none!important}.admin-dashboard-mode.has-selected .chat-area{width:100%!important;display:flex!important}.mobile-back-btn{display:inline-flex!important;align-items:center;gap:4px;background:rgba(255,255,255,.1)!important;border:1px solid rgba(255,255,255,.2)!important;color:#fff!important;border-radius:6px;padding:4px 8px;font-size:12px;margin-right:6px;cursor:pointer}.chat-header{padding:6px 10px;height:48px}.chat-header-user .user-title{font-size:13px}.chat-header-user .user-status{font-size:10.5px}.messages-container{padding:8px 10px}.message-bubble{font-size:13px;padding:7px 10px;max-width:86%;border-radius:12px}.chat-input-bar{padding:8px 10px;padding-bottom:max(28px,env(safe-area-inset-bottom))!important;margin-bottom:8px!important;gap:6px}.message-input{font-size:13.5px;padding:8px 10px;border-radius:18px}.send-btn{width:36px;height:36px}.input-action-btn{padding:5px}.toast-container{top:45px;right:8px;left:8px}.toast{min-width:unset;width:100%;padding:8px 12px}.registration-card{width:90%!important;max-width:360px!important;padding:18px!important}.avatar{width:36px!important;height:36px!important;font-size:13px!important}}