:root{--primary:#25D366;--primary-dark:#128C7E;--primary-darker:#075E54;--sidebar-bg:#202C33;--sidebar-hover:#2A3942;--sidebar-active:#25D366;--bg:#F0F2F5;--card:#FFFFFF;--hover:#DCF8C6;--text-primary:#111B21;--text-secondary:#667781;--text-muted:#8696A0;--border:#E9EDEF;--border-light:#F0F2F5;--success:#25D366;--danger:#E74C3C;--warning:#F39C12;--info:#3498DB;--shadow-sm:0 1px 3px rgba(0,0,0,0.06);--shadow-md:0 4px 12px rgba(0,0,0,0.08);--shadow-lg:0 8px 30px rgba(0,0,0,0.12);--shadow-xl:0 20px 60px rgba(0,0,0,0.15);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1);--font-family:'Poppins',sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font-family);background:var(--bg);color:var(--text-primary);overflow-x:hidden}
a{text-decoration:none;color:inherit}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#C5CBD0;border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:#A0AAB2}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:260px;background:var(--sidebar-bg);z-index:1000;transition:var(--transition);display:flex;flex-direction:column;overflow:hidden}
.sidebar.collapsed{width:72px}
.sidebar .sidebar-header{padding:20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(255,255,255,0.08)}
.sidebar .sidebar-header .logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;flex-shrink:0}
.sidebar .sidebar-header .logo-text{color:#fff;font-size:18px;font-weight:700;white-space:nowrap;overflow:hidden;transition:var(--transition)}
.sidebar.collapsed .logo-text{opacity:0;width:0}
.sidebar .sidebar-nav{flex:1;padding:12px;overflow-y:auto;overflow-x:hidden}
.sidebar .nav-section{margin-bottom:8px}
.sidebar .nav-section-title{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;padding:8px 12px;font-weight:600;white-space:nowrap;overflow:hidden;transition:var(--transition)}
.sidebar.collapsed .nav-section-title{opacity:0}
.sidebar .nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-md);color:var(--text-muted);cursor:pointer;transition:var(--transition);white-space:nowrap;margin-bottom:2px}
.sidebar .nav-item:hover{background:var(--sidebar-hover);color:#fff}
.sidebar .nav-item.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(37,211,102,0.3)}
.sidebar .nav-item i{width:20px;text-align:center;font-size:16px;flex-shrink:0}
.sidebar .nav-item .nav-label{transition:var(--transition);overflow:hidden}
.sidebar.collapsed .nav-item .nav-label{opacity:0;width:0}
.sidebar .nav-item .nav-badge{margin-left:auto;background:var(--danger);color:#fff;font-size:11px;padding:2px 8px;border-radius:20px;font-weight:600}
.sidebar.collapsed .nav-badge{display:none}
.sidebar .sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,0.08)}
.sidebar .user-card{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--radius-md);transition:var(--transition);cursor:pointer}
.sidebar .user-card:hover{background:var(--sidebar-hover)}
.sidebar .user-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:14px;flex-shrink:0}
.sidebar .user-info{overflow:hidden;transition:var(--transition)}
.sidebar .user-info .user-name{color:#fff;font-size:13px;font-weight:600;white-space:nowrap}
.sidebar .user-info .user-role{color:var(--text-muted);font-size:11px;white-space:nowrap}
.sidebar.collapsed .user-info{opacity:0;width:0}
.main-content{margin-left:260px;transition:var(--transition);min-height:100vh}
.sidebar.collapsed ~ .main-content{margin-left:72px}
.top-header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.header-left{display:flex;align-items:center;gap:16px}
.sidebar-toggle{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);color:var(--text-secondary);font-size:18px;border:none;background:transparent}
.sidebar-toggle:hover{background:var(--bg);color:var(--text-primary)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}
.breadcrumb a{color:var(--primary-dark);font-weight:500}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .separator{font-size:10px}
.header-right{display:flex;align-items:center;gap:8px}
.header-search{position:relative}
.header-search input{width:240px;padding:8px 14px 8px 36px;border:2px solid var(--border);border-radius:var(--radius-lg);font-family:var(--font-family);font-size:13px;background:var(--bg);transition:var(--transition)}
.header-search input:focus{outline:none;border-color:var(--primary);background:#fff;width:300px;box-shadow:0 0 0 4px rgba(37,211,102,0.1)}
.header-search i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px}
.header-icon-btn{position:relative;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;cursor:pointer;transition:var(--transition);color:var(--text-secondary);font-size:18px;border:none;background:transparent}
.header-icon-btn:hover{background:var(--bg);color:var(--primary)}
.header-icon-btn .badge{position:absolute;top:4px;right:4px;width:18px;height:18px;background:var(--danger);color:#fff;border-radius:50%;font-size:10px;display:flex;align-items:center;justify-content:center;font-weight:600}
.header-profile{display:flex;align-items:center;gap:10px;padding:6px 12px;border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition)}
.header-profile:hover{background:var(--bg)}
.header-profile .avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:13px}
.header-profile .profile-info{line-height:1.3}
.header-profile .profile-info .name{font-size:13px;font-weight:600;color:var(--text-primary)}
.header-profile .profile-info .role{font-size:11px;color:var(--text-muted)}
.page-content{padding:24px}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:16px}
.page-header h1{font-size:24px;font-weight:700;color:var(--text-primary)}
.page-header .page-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{padding:10px 20px;border-radius:var(--radius-md);font-family:var(--font-family);font-size:13px;font-weight:500;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:8px;border:2px solid transparent;white-space:nowrap}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-color:transparent}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(37,211,102,0.35);color:#fff}
.btn-secondary{background:var(--card);color:var(--text-primary);border-color:var(--border)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(231,76,60,0.35);color:#fff}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:6px 14px;font-size:12px}
.btn-lg{padding:14px 28px;font-size:15px}
.btn-icon{width:36px;height:36px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm)}
.btn-icon.sm{width:30px;height:30px;font-size:12px}
.card{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-light);overflow:hidden;transition:var(--transition)}
.card:hover{box-shadow:var(--shadow-md)}
.card-header{padding:20px 24px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between}
.card-header h3{font-size:16px;font-weight:600;color:var(--text-primary)}
.card-body{padding:24px}
.card-footer{padding:16px 24px;border-top:1px solid var(--border-light);background:var(--bg)}
.stat-card{background:var(--card);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:var(--transition);position:relative;overflow:hidden}
.stat-card::after{content:'';position:absolute;top:0;right:0;width:100px;height:100px;border-radius:50%;opacity:0.06;transform:translate(30px,-30px)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat-card .stat-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px}
.stat-card .stat-value{font-size:28px;font-weight:700;color:var(--text-primary);line-height:1;margin-bottom:4px}
.stat-card .stat-label{font-size:13px;color:var(--text-muted);font-weight:500}
.stat-card .stat-change{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;margin-top:8px;padding:3px 8px;border-radius:20px}
.stat-card .stat-change.up{color:#059669;background:#ECFDF5}
.stat-card .stat-change.down{color:#E74C3C;background:#FEF2F2}
.stat-card .stat-icon.green{background:rgba(37,211,102,0.1);color:var(--primary)}
.stat-card .stat-icon.green::after{background:var(--primary)}
.stat-card .stat-icon.blue{background:rgba(52,152,219,0.1);color:var(--info)}
.stat-card .stat-icon.blue::after{background:var(--info)}
.stat-card .stat-icon.orange{background:rgba(243,156,18,0.1);color:var(--warning)}
.stat-card .stat-icon.orange::after{background:var(--warning)}
.stat-card .stat-icon.red{background:rgba(231,76,60,0.1);color:var(--danger)}
.stat-card .stat-icon.red::after{background:var(--danger)}
.stat-card .stat-icon.purple{background:rgba(142,68,173,0.1);color:#8E44AD}
.stat-card .stat-icon.purple::after{background:#8E44AD}
.table-responsive{overflow-x:auto}
.table{width:100%;border-collapse:separate;border-spacing:0}
.table thead th{padding:12px 16px;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px;background:var(--bg);border:none;white-space:nowrap;position:sticky;top:0}
.table tbody td{padding:14px 16px;font-size:13px;border-bottom:1px solid var(--border-light);vertical-align:middle}
.table tbody tr{transition:var(--transition)}
.table tbody tr:hover{background:rgba(37,211,102,0.03)}
.table tbody tr:last-child td{border-bottom:none}
.badge{padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600;display:inline-flex;align-items:center;gap:4px}
.badge-success{background:#ECFDF5;color:#059669}
.badge-danger{background:#FEF2F2;color:#E74C3C}
.badge-warning{background:#FFFBEB;color:#D97706}
.badge-info{background:#EFF6FF;color:#2563EB}
.badge-secondary{background:#F3F4F6;color:#6B7280}
.badge-primary{background:rgba(37,211,102,0.12);color:var(--primary-dark)}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.status-dot.active{background:var(--primary)}
.status-dot.inactive{background:var(--text-muted)}
.status-dot.pending{background:var(--warning)}
.dropdown{position:relative;display:inline-block}
.dropdown-menu{position:absolute;right:0;top:calc(100% + 4px);background:var(--card);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);border:1px solid var(--border);min-width:180px;padding:6px;z-index:1000;opacity:0;visibility:hidden;transform:translateY(-8px);transition:var(--transition)}
.dropdown-menu.show{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-item{display:flex;align-items:center;gap:10px;padding:8px 14px;font-size:13px;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition)}
.dropdown-item:hover{background:var(--bg);color:var(--text-primary)}
.dropdown-item i{width:16px;text-align:center;font-size:14px}
.dropdown-divider{height:1px;background:var(--border-light);margin:4px 0}
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px);z-index:2000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:var(--transition)}
.modal-overlay.show{opacity:1;visibility:visible}
.modal{background:var(--card);border-radius:var(--radius-xl);width:90%;max-width:560px;max-height:90vh;overflow:hidden;transform:scale(0.9) translateY(20px);transition:var(--transition);box-shadow:var(--shadow-xl)}
.modal-overlay.show .modal{transform:scale(1) translateY(0)}
.modal-header{padding:24px 28px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-light)}
.modal-header h3{font-size:18px;font-weight:600}
.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;cursor:pointer;transition:var(--transition);color:var(--text-muted);border:none;background:transparent;font-size:18px}
.modal-close:hover{background:var(--bg);color:var(--text-primary)}
.modal-body{padding:24px 28px;overflow-y:auto;max-height:60vh}
.modal-footer{padding:16px 28px 24px;display:flex;justify-content:flex-end;gap:10px;border-top:1px solid var(--border-light)}
.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-primary);margin-bottom:6px}
.form-control{width:100%;padding:10px 14px;border:2px solid var(--border);border-radius:var(--radius-md);font-family:var(--font-family);font-size:13px;transition:var(--transition);background:#fff}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,211,102,0.1)}
.form-control::placeholder{color:var(--text-muted)}
select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667781' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
textarea.form-control{resize:vertical;min-height:80px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.alert{padding:14px 18px;border-radius:var(--radius-md);font-size:13px;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.alert-success{background:#ECFDF5;color:#065F46;border:1px solid #A7F3D0}
.alert-danger{background:#FEF2F2;color:#991B1B;border:1px solid #FECACA}
.alert-warning{background:#FFFBEB;color:#92400E;border:1px solid #FDE68A}
.alert-info{background:#EFF6FF;color:#1E40AF;border:1px solid #BFDBFE}
.toast-container{position:fixed;top:80px;right:24px;z-index:3000;display:flex;flex-direction:column;gap:10px}
.toast{padding:14px 20px;background:var(--card);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);border-left:4px solid;display:flex;align-items:center;gap:12px;min-width:300px;animation:slideInRight 0.3s ease}
.toast.success{border-color:var(--primary)}
.toast.error{border-color:var(--danger)}
.toast.warning{border-color:var(--warning)}
.toast.info{border-color:var(--info)}
.toast-icon{font-size:18px}
.toast-message{flex:1;font-size:13px}
.toast-close{cursor:pointer;color:var(--text-muted);font-size:14px}
@keyframes slideInRight{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes slideOutRight{from{transform:translateX(0);opacity:1}to{transform:translateX(100%);opacity:0}}
.skeleton{background:linear-gradient(90deg,#E9EDEF 25%,#F0F2F5 50%,#E9EDEF 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.skeleton-text{height:14px;margin-bottom:8px}
.skeleton-text.short{width:60%}
.skeleton-text.medium{width:80%}
.skeleton-card{height:120px;border-radius:var(--radius-lg)}
.skeleton-avatar{width:40px;height:40px;border-radius:50%}
.empty-state{text-align:center;padding:60px 20px}
.empty-state .empty-icon{font-size:64px;color:var(--border);margin-bottom:16px}
.empty-state h3{font-size:18px;color:var(--text-secondary);margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--text-muted);margin-bottom:24px}
.pagination{display:flex;align-items:center;gap:4px;justify-content:center}
.page-link{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:13px;font-weight:500;color:var(--text-secondary);transition:var(--transition);cursor:pointer;border:none;background:transparent}
.page-link:hover{background:var(--bg);color:var(--primary)}
.page-link.active{background:var(--primary);color:#fff}
.page-link.disabled{opacity:0.4;pointer-events:none}
.filter-bar{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap;align-items:center}
.filter-bar .search-input{position:relative;flex:1;min-width:200px}
.filter-bar .search-input input{width:100%;padding:10px 14px 10px 38px;border:2px solid var(--border);border-radius:var(--radius-md);font-family:var(--font-family);font-size:13px;transition:var(--transition);background:var(--card)}
.filter-bar .search-input input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,211,102,0.1)}
.filter-bar .search-input i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted)}
.filter-bar select{padding:10px 36px 10px 14px;border:2px solid var(--border);border-radius:var(--radius-md);font-family:var(--font-family);font-size:13px;background:var(--card);appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667781' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;cursor:pointer;transition:var(--transition)}
.filter-bar select:focus{outline:none;border-color:var(--primary)}
.chat-layout{display:flex;height:calc(100vh - 64px);overflow:hidden}
.chat-left{width:340px;border-right:1px solid var(--border);display:flex;flex-direction:column;background:var(--card)}
.chat-left-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.chat-left-header h3{font-size:16px;font-weight:600}
.chat-search{padding:12px 16px;border-bottom:1px solid var(--border-light)}
.chat-search input{width:100%;padding:8px 14px 8px 36px;border:2px solid var(--border);border-radius:var(--radius-lg);font-family:var(--font-family);font-size:13px;background:var(--bg);transition:var(--transition)}
.chat-search input:focus{outline:none;border-color:var(--primary);background:#fff}
.chat-search{position:relative}
.chat-search i{position:absolute;left:28px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px}
.chat-filters{padding:8px 16px;border-bottom:1px solid var(--border-light);display:flex;gap:4px;flex-wrap:wrap}
.chat-filter-btn{padding:5px 12px;border-radius:20px;font-size:11px;font-weight:500;border:1px solid var(--border);background:transparent;color:var(--text-secondary);cursor:pointer;transition:var(--transition)}
.chat-filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.chat-filter-btn:hover:not(.active){background:var(--bg)}
.chat-list{flex:1;overflow-y:auto}
.chat-list-item{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;transition:var(--transition);border-bottom:1px solid var(--border-light);position:relative}
.chat-list-item:hover{background:var(--bg)}
.chat-list-item.active{background:rgba(37,211,102,0.08)}
.chat-list-item .chat-avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px;flex-shrink:0;position:relative}
.chat-list-item .online-dot{position:absolute;bottom:1px;right:1px;width:12px;height:12px;border-radius:50%;background:var(--primary);border:2px solid var(--card)}
.chat-list-item .chat-info{flex:1;min-width:0}
.chat-list-item .chat-name{font-size:14px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-list-item .chat-last-msg{font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.chat-list-item .chat-meta{text-align:right;flex-shrink:0}
.chat-list-item .chat-time{font-size:11px;color:var(--text-muted)}
.chat-list-item .unread-badge{background:var(--primary);color:#fff;font-size:10px;font-weight:600;padding:2px 7px;border-radius:20px;margin-top:4px;display:inline-block}
.chat-center{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--bg)}
.chat-center-header{padding:12px 20px;background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.chat-center-header .chat-contact{display:flex;align-items:center;gap:12px}
.chat-center-header .chat-contact .avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;color:#fff;font-size:15px}
.chat-center-header .contact-info .name{font-size:14px;font-weight:600}
.chat-center-header .contact-info .status{font-size:12px;color:var(--text-muted)}
.chat-messages{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:20px;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23dcdcdc' fill-opacity='0.15'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.message-bubble{max-width:65%;padding:10px 14px;border-radius:12px;margin-bottom:4px;font-size:13px;line-height:1.5;position:relative;word-wrap:break-word}
.message-bubble.incoming{background:var(--card);border-top-left-radius:0;align-self:flex-start;box-shadow:var(--shadow-sm)}
.message-bubble.outgoing{background:#D9FDD3;border-top-right-radius:0;align-self:flex-end}
.message-time{font-size:10px;color:var(--text-muted);text-align:right;margin-top:4px;display:flex;align-items:center;justify-content:flex-end;gap:4px}
.message-status{font-size:12px}
.message-status.read{color:var(--info)}
.message-status.delivered{color:var(--text-muted)}
.voice-note{display:flex;align-items:center;gap:10px;width:min(310px,62vw);min-width:220px;padding:3px 0;color:#667781}
.voice-note-play{width:34px!important;height:34px!important;min-width:34px;border:0;background:transparent!important;color:#111b21!important;font-size:18px!important;box-shadow:none!important;transform:none!important}
.voice-note-track{position:relative;display:flex;align-items:center;flex:1;height:30px;cursor:pointer;overflow:hidden}
.voice-note-bars{display:flex;align-items:center;gap:2px;width:100%;height:25px}
.voice-note-bars i{display:block;flex:1;min-width:2px;height:var(--bar);border-radius:3px;background:#aebac1}
.voice-note-progress{position:absolute;inset:0 auto 0 0;width:0;overflow:hidden;pointer-events:none}
.voice-note-progress .voice-note-bars{width:var(--voice-track-width,220px)}
.voice-note-progress .voice-note-bars i{background:#00a884}
.voice-note-meta{display:flex;align-items:center;justify-content:space-between;margin-top:-4px;padding-left:44px;font-size:10px;color:#667781}
.voice-note-avatar{position:relative;width:34px;height:34px;flex:0 0 34px;border-radius:50%;background:#d9fdd3;color:#008069;display:flex;align-items:center;justify-content:center}
.voice-note-avatar:after{content:'\f130';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;left:-5px;bottom:-3px;width:17px;height:17px;border-radius:50%;display:grid;place-items:center;background:#00a884;color:#fff;font-size:9px;border:2px solid #d9fdd3}
.message-bubble.incoming .voice-note-avatar{display:none}.message-bubble.incoming .voice-note-meta{padding-left:44px}
.voice-note+div{display:none}
.message-date-separator{text-align:center;margin:16px 0}
.message-date-separator span{background:rgba(225,228,232,0.9);padding:5px 12px;border-radius:8px;font-size:11px;color:var(--text-secondary);font-weight:500}
.chat-input-area{padding:12px 20px;background:var(--card);border-top:1px solid var(--border);display:flex;align-items:center;gap:10px}
.chat-input-area input{flex:1;padding:10px 16px;border:2px solid var(--border);border-radius:var(--radius-lg);font-family:var(--font-family);font-size:13px;transition:var(--transition)}
.chat-input-area input:focus{outline:none;border-color:var(--primary)}
.chat-input-area button{width:40px;height:40px;border-radius:50%;border:none;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;font-size:18px}
.btn-send{background:var(--primary);color:#fff}
.btn-send:hover{background:var(--primary-dark);transform:scale(1.05)}
.chat-right{width:320px;border-left:1px solid var(--border);background:var(--card);overflow-y:auto;display:flex;flex-direction:column}
.chat-right-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.chat-right-header h3{font-size:14px;font-weight:600}
.customer-detail-section{padding:16px 20px;border-bottom:1px solid var(--border-light)}
.customer-detail-section h4{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:12px;font-weight:600}
.customer-detail-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.customer-detail-row .label{font-size:12px;color:var(--text-muted)}
.customer-detail-row .value{font-size:13px;font-weight:500;color:var(--text-primary)}
.timeline{position:relative;padding-left:24px}
.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--border)}
.timeline-item{position:relative;margin-bottom:16px}
.timeline-item::before{content:'';position:absolute;left:-20px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--primary);border:2px solid var(--card);z-index:1}
.timeline-item .timeline-time{font-size:11px;color:var(--text-muted);margin-bottom:2px}
.timeline-item .timeline-text{font-size:13px;color:var(--text-primary)}
.broadcast-composer{max-width:800px;margin:0 auto}
.broadcast-composer .composer-card{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden}
.broadcast-composer .composer-header{padding:20px 24px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between}
.broadcast-composer .composer-body{padding:24px}
.broadcast-composer .message-preview{background:var(--bg);border-radius:var(--radius-md);padding:16px;margin-top:16px;border:1px solid var(--border)}
.broadcast-composer .message-preview .preview-header{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:8px}
.toast-wrapper{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.tab-nav{display:flex;border-bottom:2px solid var(--border-light);margin-bottom:24px;gap:0;overflow-x:auto}
.tab-nav .tab-item{padding:12px 20px;font-size:13px;font-weight:500;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:var(--transition);white-space:nowrap}
.tab-nav .tab-item.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-nav .tab-item:hover:not(.active){color:var(--text-primary)}
.footer{text-align:center;padding:20px;font-size:12px;color:var(--text-muted);border-top:1px solid var(--border-light)}
.fade-in{animation:fadeIn 0.4s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.counter-animate{transition:var(--transition)}
.mobile-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:999}
.mobile-overlay.show{display:block}