:root{--bg-app: #0c1317;--bg-sidebar: #111b21;--bg-header: #202c33;--bg-chat-header: #202c33;--bg-chat: #0b141a;--bg-hover: #222e35;--bg-active: #2a3942;--bg-input: #2a3942;--bubble-out: #005c4b;--bubble-in: #202c33;--text-primary: #e9edef;--text-secondary: #8696a0;--text-muted: #667781;--accent: #00a884;--accent-hover: #029071;--danger: #ea868f;--danger-bg: rgba(234, 134, 143, .15);--border: #222d34;--shadow: 0 4px 20px rgba(0, 0, 0, .4);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px}body.light{--bg-app: #eae6df;--bg-sidebar: #ffffff;--bg-header: #f0f2f5;--bg-chat-header: #f0f2f5;--bg-chat: #efeae2;--bg-hover: #f5f6f6;--bg-active: #eae6df;--bg-input: #ffffff;--bubble-out: #d9fdd3;--bubble-in: #ffffff;--text-primary: #111b21;--text-secondary: #667781;--text-muted: #8696a0;--accent: #008069;--accent-hover: #015c4b;--danger: #ea0033;--danger-bg: rgba(234, 0, 51, .1);--border: #e9edef;--shadow: 0 4px 12px rgba(0, 0, 0, .08)}*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-app);color:var(--text-primary);overflow:hidden;height:100vh;width:100vw}#root{height:100vh;width:100vw}.app-container{display:flex;height:100vh;width:100vw;background-color:var(--bg-app);overflow:hidden}.login-screen{display:flex;align-items:center;justify-content:center;width:100vw;height:100vh;background:linear-gradient(135deg,#0b141a,#111b21,#002b22)}body.light .login-screen{background:linear-gradient(135deg,#eae6df,#f0f2f5,#d9fdd3)}.login-card{background-color:var(--bg-sidebar);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem;width:100%;max-width:440px;box-shadow:0 20px 40px #0009;text-align:center}.login-card h2{font-size:1.8rem;margin-top:1rem;margin-bottom:.5rem;color:var(--text-primary)}.login-card p{color:var(--text-secondary);font-size:.9rem;margin-bottom:2rem}.input-group{margin-bottom:1.25rem;text-align:left}.input-group label{display:block;font-size:.85rem;color:var(--text-secondary);margin-bottom:.4rem;font-weight:500}.input-control{width:100%;background-color:var(--bg-input);border:1.5px solid var(--border);color:var(--text-primary);padding:.85rem 1rem;border-radius:var(--radius-md);font-size:.95rem;outline:none;transition:border-color .2s,background-color .2s,box-shadow .2s}body.light .input-control{border:1.5px solid #c0c6ca}.input-control:focus{border-color:var(--accent);background-color:var(--bg-input);box-shadow:0 0 0 3px #00a88426}body.light .input-control:focus{background-color:#fff;box-shadow:0 0 0 3px #00806926}.btn-primary{width:100%;background-color:var(--accent);color:#111b21;font-weight:700;border:none;padding:.9rem;border-radius:var(--radius-md);font-size:1rem;cursor:pointer;transition:background .2s,transform .1s;display:flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary:hover{background-color:var(--accent-hover)}.btn-secondary{background-color:var(--bg-hover);color:var(--text-primary);border:1px solid var(--border);padding:.6rem 1.2rem;border-radius:var(--radius-md);font-size:.9rem;cursor:pointer;transition:background .2s}.btn-secondary:hover{background-color:var(--bg-active)}.main-wrapper{display:flex;flex:1;height:100vh;width:100%;min-width:0}.sidebar{width:380px;min-width:340px;background-color:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100%}.sidebar-header{height:60px;background-color:var(--bg-header);padding:0 1rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.user-profile{display:flex;align-items:center;gap:.75rem}.avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;background-color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;color:#111b21}.user-info .name{font-weight:600;font-size:.95rem}.role-badge{font-size:.7rem;padding:2px 8px;border-radius:12px;text-transform:uppercase;font-weight:700}.role-badge.supervisor{background-color:#00a88433;color:var(--accent)}.role-badge.agent{background-color:#35a2eb33;color:#35a2eb}.header-actions{display:flex;gap:.5rem}.icon-btn{background:none;border:none;color:var(--text-secondary);width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s}.icon-btn:hover{background-color:var(--bg-hover);color:var(--text-primary)}.sidebar-search-container{padding:.6rem .8rem;background-color:var(--bg-sidebar)}.search-box{background-color:var(--bg-input);border-radius:var(--radius-sm);display:flex;align-items:center;padding:0 .8rem;height:36px}.search-box input{background:none;border:none;color:var(--text-primary);width:100%;margin-left:.5rem;outline:none;font-size:.9rem}.filter-tabs{display:flex;padding:.4rem .8rem;gap:.4rem;border-bottom:1px solid var(--border)}.tab-btn{flex:1;background:none;border:none;color:var(--text-secondary);padding:.4rem 0;font-size:.8rem;font-weight:600;border-radius:16px;cursor:pointer;transition:all .2s}.tab-btn.active{background-color:#00a88426;color:var(--accent)}.chat-list{flex:1;overflow-y:auto}.chat-item{display:flex;align-items:center;padding:.75rem 1rem;gap:.85rem;cursor:pointer;border-bottom:1px solid rgba(255,255,255,.03);transition:background .15s}.chat-item:hover{background-color:var(--bg-hover)}.chat-item.active{background-color:var(--bg-active)}.chat-details{flex:1;min-width:0}.chat-header-row{display:flex;justify-content:space-between;margin-bottom:.25rem}.contact-name{font-weight:600;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-time{font-size:.75rem;color:var(--text-muted)}.last-msg-row{display:flex;justify-content:space-between;align-items:center}.last-msg{font-size:.85rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread-badge{background-color:#e53935;color:#fff;font-size:.75rem;font-weight:700;border-radius:50%;min-width:20px;height:20px;display:flex;align-items:center;justify-content:center;padding:0 4px}.chat-area{flex:1;display:flex;flex-direction:column;background-color:var(--bg-chat);position:relative;min-width:0}.chat-header{height:60px;background-color:var(--bg-chat-header);padding:0 1.25rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.chat-target-info{display:flex;align-items:center;gap:.85rem}.agent-assignment-tag{font-size:.75rem;background-color:var(--bg-hover);color:var(--text-secondary);padding:3px 10px;border-radius:12px;display:flex;align-items:center;gap:4px}.message-history{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:.75rem;background-image:radial-gradient(rgba(255,255,255,.03) 1px,transparent 0);background-size:24px 24px;min-width:0}.message-bubble-wrapper{display:flex;flex-direction:column;min-width:0}.message-bubble-wrapper.sent{align-items:flex-end}.message-bubble-wrapper.received{align-items:flex-start}.message-bubble{width:fit-content;min-width:80px;max-width:65%;padding:6px 9px 8px;border-radius:8px;font-size:.92rem;overflow:hidden;line-height:1.4;position:relative;word-wrap:break-word;box-shadow:0 1px 1px #00000026;display:block}.message-bubble:after{content:"";display:table;clear:both}.message-text{display:inline;white-space:pre-wrap;word-break:break-word}.message-bubble.sent{background-color:var(--bubble-out);color:var(--text-primary);border-top-right-radius:0}.message-bubble.received{background-color:var(--bubble-in);color:var(--text-primary);border-top-left-radius:0}.sender-tag{font-size:.75rem;font-weight:700;color:#53bdeb;margin-bottom:2px}.message-meta{float:right;margin-left:8px;margin-top:4px;display:inline-flex;align-items:center;gap:3px;font-size:.68rem;color:var(--text-secondary);line-height:1;position:relative;top:4px}.audio-player-container{display:flex;align-items:center;gap:.75rem;background:transparent;padding:4px 0;margin-top:4px;min-width:260px}.audio-play-btn{background:transparent;border:none;color:var(--accent);width:32px;height:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .1s ease}.audio-play-btn:active{transform:scale(.9)}.audio-waveform{flex:1;height:4px;background-color:#0000001f;border-radius:2px;position:relative;cursor:pointer}.audio-progress{height:100%;background-color:var(--accent);border-radius:2px;width:0%}.speed-badge{font-size:.72rem;font-weight:600;background:#0000000d;color:var(--text-secondary);padding:4px 8px;border-radius:12px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .12s ease}.speed-badge:hover{background:#0000001a}.message-bubble.image-bubble{padding:4px;width:320px;max-width:85%;display:flex;flex-direction:column}.message-bubble.image-bubble .media-image{width:100%;height:240px;max-height:280px;object-fit:cover;border-radius:6px;display:block;margin:0;cursor:pointer}.message-bubble.image-bubble.has-caption .caption-text{padding:6px 4px 18px;font-size:.92rem;line-height:1.4;word-break:break-word}.message-bubble.image-bubble.no-caption{position:relative;padding-bottom:4px}.message-bubble.image-bubble.no-caption .message-meta{position:absolute;bottom:8px;right:8px;background:transparent;padding:0;color:#fff;font-size:.72rem;display:flex;align-items:center;gap:3px;z-index:2;text-shadow:0 1px 2px rgba(0,0,0,.8)}.message-bubble.image-bubble.no-caption .message-meta span{color:#fff!important;text-shadow:0 1px 2px rgba(0,0,0,.8)}.message-bubble.image-bubble.no-caption .message-meta svg{color:#53bdeb!important;filter:drop-shadow(0 1px 1px rgba(0,0,0,.5))}.chat-input-bar{background-color:var(--bg-chat-header);padding:.75rem 1.25rem;display:flex;align-items:center;gap:.75rem;border-top:1px solid var(--border)}.chat-input-wrapper{flex:1;background-color:var(--bg-input);border-radius:8px;display:flex;align-items:center;padding:0 .85rem}.chat-input-wrapper input{width:100%;background:none;border:none;color:var(--text-primary);padding:.75rem 0;outline:none;font-size:.95rem}.send-btn{background-color:var(--accent);border:none;color:#111b21;width:42px;height:42px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .1s}.send-btn:hover{background-color:var(--accent-hover)}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background-color:var(--bg-sidebar);border:1px solid var(--border);border-radius:var(--radius-lg);width:90%;max-width:620px;max-height:88vh;overflow-y:auto;box-shadow:var(--shadow);padding:1.75rem}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-header h3{font-size:1.25rem;color:var(--text-primary)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#0003;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#00000059}.message-bubble-wrapper .reply-hover-btn{opacity:0;transition:opacity .15s ease-in-out}.message-bubble-wrapper:hover .reply-hover-btn{opacity:.7}.message-bubble-wrapper .reply-hover-btn:hover{opacity:1}@media(max-width:900px){.nav-sidebar,.app-container.has-active-chat .sidebar{display:none!important}.app-container.has-active-chat .chat-area{display:flex!important;width:100%!important;min-width:100%!important}.app-container:not(.has-active-chat) .sidebar{display:flex!important;width:100%!important;min-width:100%!important}.app-container:not(.has-active-chat) .chat-area{display:none!important}.mobile-back-btn{display:inline-flex!important}}