@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#a5b4fc;--bg:#0f172a;--bg-card:#1e293b;--bg-sidebar:#1e293b;--bg-input:#334155;--text:#f1f5f9;--text-muted:#94a3b8;--border:#334155;--success:#22c55e;--warning:#eab308;--danger:#ef4444;--info:#3b82f6;--radius:12px;--shadow:0 4px 6px -1px #0000004d}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:Inter,-apple-system,sans-serif;line-height:1.6}.app-layout{min-height:100vh;display:flex}.sidebar{background:var(--bg-sidebar);border-right:1px solid var(--border);z-index:100;flex-direction:column;width:260px;padding:24px 16px;transition:transform .3s;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-brand{border-bottom:1px solid var(--border);align-items:center;gap:12px;margin-bottom:24px;padding:0 8px 24px;display:flex}.sidebar-brand .logo{background:linear-gradient(135deg, var(--primary), #8b5cf6);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:700;display:flex}.sidebar-brand h2{color:var(--text);font-size:18px;font-weight:700}.sidebar-brand span{color:var(--text-muted);font-size:11px;display:block}.sidebar-nav{flex-direction:column;flex:1;gap:4px;display:flex}.nav-item{color:var(--text-muted);cursor:pointer;border-radius:8px;align-items:center;gap:12px;padding:10px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-item:hover{background:var(--bg-input);color:var(--text)}.nav-item.active{background:var(--primary);color:#fff}.nav-item .icon{text-align:center;width:24px;font-size:18px}.sidebar-footer{border-top:1px solid var(--border);margin-top:16px;padding-top:16px}.user-info{align-items:center;gap:10px;padding:8px;display:flex}.user-avatar{background:linear-gradient(135deg, var(--primary), #8b5cf6);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:600;display:flex}.user-details .name{font-size:13px;font-weight:600}.user-details .role{color:var(--text-muted);font-size:11px}.main-content{flex:1;min-height:100vh;margin-left:260px;padding:32px}.page-header{justify-content:space-between;align-items:center;margin-bottom:32px;display:flex}.page-header h1{font-size:28px;font-weight:700}.page-header p{color:var(--text-muted);margin-top:4px;font-size:14px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:border-color .2s}.card:hover{border-color:var(--primary)}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.stat-card .stat-icon{border-radius:10px;justify-content:center;align-items:center;width:42px;height:42px;margin-bottom:16px;font-size:20px;display:flex}.stat-card .stat-value{margin-bottom:4px;font-size:28px;font-weight:700}.stat-card .stat-label{color:var(--text-muted);font-size:13px}.table-wrapper{overflow-x:auto}table{border-collapse:collapse;width:100%}th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border);padding:12px 16px;font-size:12px;font-weight:600}td{border-bottom:1px solid var(--border);padding:14px 16px;font-size:14px}tr:hover td{background:#6366f10d}.badge{border-radius:20px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-block}.badge-success{color:var(--success);background:#22c55e26}.badge-warning{color:var(--warning);background:#eab30826}.badge-danger{color:var(--danger);background:#ef444426}.badge-info{color:var(--info);background:#3b82f626}.badge-primary{color:var(--primary-light);background:#6366f126}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--bg-input);color:var(--text)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{padding:6px 12px;font-size:12px}.form-group{margin-bottom:20px}.form-group label{color:var(--text-muted);margin-bottom:6px;font-size:13px;font-weight:600;display:block}input,textarea,select{background:var(--bg-input);border:1px solid var(--border);width:100%;color:var(--text);border-radius:8px;padding:10px 14px;font-family:inherit;font-size:14px;transition:border-color .2s}input:focus,textarea:focus,select:focus{border-color:var(--primary);outline:none}textarea{resize:vertical;min-height:100px}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0009;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);width:90%;max-width:520px;max-height:90vh;padding:32px;animation:.3s slideUp;overflow-y:auto}.modal h2{margin-bottom:24px;font-size:20px}.modal-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.empty-state .icon{margin-bottom:16px;font-size:48px}.empty-state h3{color:var(--text);margin-bottom:8px;font-size:18px}.empty-state p{margin-bottom:24px;font-size:14px}.grid-2{grid-template-columns:1fr 1fr;gap:20px;display:grid}.grid-3{grid-template-columns:1fr 1fr 1fr;gap:20px;display:grid}.messages-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);gap:0;height:calc(100vh - 180px);display:flex;overflow:hidden}.messages-list{border-right:1px solid var(--border);width:280px;overflow-y:auto}.message-thread{border-bottom:1px solid var(--border);cursor:pointer;padding:16px;transition:background .2s}.message-thread:hover{background:var(--bg-input)}.message-thread.active{background:var(--primary)}.message-thread h4{margin-bottom:4px;font-size:14px}.message-thread p{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.message-thread .time{color:var(--text-muted);font-size:11px}.chat-area{flex-direction:column;flex:1;display:flex}.chat-header{border-bottom:1px solid var(--border);padding:16px 20px;font-weight:600}.chat-messages{flex-direction:column;flex:1;gap:12px;padding:20px;display:flex;overflow-y:auto}.chat-bubble{border-radius:16px;max-width:70%;padding:12px 16px;font-size:14px;line-height:1.5}.chat-bubble.sent{background:var(--primary);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.chat-bubble.received{background:var(--bg-input);border-bottom-left-radius:4px;align-self:flex-start}.chat-bubble .time{opacity:.7;margin-top:4px;font-size:11px}.chat-input{border-top:1px solid var(--border);gap:12px;padding:16px 20px;display:flex}.chat-input input{flex:1}.progress-bar{background:var(--bg-input);border-radius:3px;width:100%;height:6px;overflow:hidden}.progress-bar .fill{background:var(--primary);border-radius:3px;height:100%;transition:width .3s}@media (width<=768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;padding:16px}.stats-grid{grid-template-columns:1fr 1fr}.grid-2,.grid-3{grid-template-columns:1fr}.messages-container{flex-direction:column;height:auto}.messages-list{width:100%;height:200px}}