@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--primary-dim: rgba(99, 102, 241, .12);--bg: #0f172a;--bg-2: #1e293b;--bg-3: #273249;--surface: #1e293b;--surface-2: #273249;--border: rgba(255, 255, 255, .08);--border-hover: rgba(255, 255, 255, .15);--text: #f1f5f9;--text-2: #94a3b8;--text-3: #64748b;--green: #22c55e;--yellow: #eab308;--orange: #f97316;--red: #ef4444;--blue: #3b82f6;--purple: #a855f7;--sidebar-w: 72px;--conv-list-w: 320px;--header-h: 60px;--radius: 12px;--radius-sm: 8px;--radius-xs: 6px;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--t: .18s cubic-bezier(.4, 0, .2, 1)}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow:hidden}#root{height:100vh;display:flex;flex-direction:column}.admin-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--bg-2);border-right:1px solid var(--border);display:flex;flex-direction:column;align-items:center;padding:12px 0;gap:4px;flex-shrink:0;z-index:10}.sidebar-logo{width:44px;height:44px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:8px;cursor:pointer;box-shadow:0 4px 12px #6366f166}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:4px;width:100%;padding:0 8px}.nav-item{width:100%;height:48px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-2);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10px;font-weight:500;transition:all var(--t);position:relative;text-decoration:none}.nav-item:hover{background:var(--bg-3);color:var(--text)}.nav-item.active{background:var(--primary-dim);color:var(--primary-light)}.nav-item .nav-badge{position:absolute;top:6px;right:6px;width:16px;height:16px;background:var(--red);border-radius:50%;font-size:10px;font-weight:700;color:#fff;display:flex;align-items:center;justify-content:center}.sidebar-bottom{display:flex;flex-direction:column;align-items:center;padding:0 8px;width:100%;gap:4px}.avatar-btn{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--purple) 100%);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:700;transition:transform var(--t)}.avatar-btn:hover{transform:scale(1.05)}.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden}.page{flex:1;overflow-y:auto;padding:28px}.page::-webkit-scrollbar{width:6px}.page::-webkit-scrollbar-track{background:transparent}.page::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.page-header{margin-bottom:28px}.page-title{font-size:24px;font-weight:800;color:var(--text);line-height:1.2}.page-subtitle{font-size:14px;color:var(--text-2);margin-top:4px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:8px;transition:all var(--t);cursor:default}.stat-card:hover{border-color:var(--border-hover);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.stat-icon{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:20px}.stat-value{font-size:28px;font-weight:800;color:var(--text);line-height:1}.stat-label{font-size:13px;color:var(--text-2);font-weight:500}.stat-trend{font-size:12px;color:var(--green);display:flex;align-items:center;gap:4px}.section-title{font-size:16px;font-weight:700;color:var(--text);margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}.conversations-layout{display:flex;height:100%;overflow:hidden}.conv-list{width:var(--conv-list-w);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;background:var(--bg-2)}.conv-list-header{padding:16px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:10px;flex-shrink:0}.search-input{width:100%;background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;font-size:13px;color:var(--text);outline:none;font-family:inherit;transition:border-color var(--t)}.search-input:focus{border-color:var(--primary)}.search-input::placeholder{color:var(--text-3)}.filter-tabs{display:flex;gap:4px;overflow-x:auto;padding-bottom:2px}.filter-tabs::-webkit-scrollbar{display:none}.filter-tab{padding:5px 12px;border-radius:20px;border:none;font-size:12px;font-weight:600;cursor:pointer;background:transparent;color:var(--text-2);white-space:nowrap;transition:all var(--t)}.filter-tab.active{background:var(--primary-dim);color:var(--primary-light)}.filter-tab:hover:not(.active){background:var(--bg-3);color:var(--text)}.conv-items{flex:1;overflow-y:auto}.conv-items::-webkit-scrollbar{width:4px}.conv-items::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.conv-item{padding:14px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background var(--t);display:flex;flex-direction:column;gap:6px;position:relative}.conv-item:hover{background:var(--bg-3)}.conv-item.active{background:var(--primary-dim)}.conv-item-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.conv-name{font-size:14px;font-weight:600;color:var(--text);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-time{font-size:11px;color:var(--text-3);flex-shrink:0}.conv-last-msg{font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-meta{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.badge{padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600;white-space:nowrap}.badge-new{background:#6366f126;color:var(--primary-light)}.badge-open{background:#22c55e26;color:var(--green)}.badge-waiting{background:#eab30826;color:var(--yellow)}.badge-resolved{background:#64748b26;color:var(--text-3)}.badge-closed{background:#64748b1a;color:var(--text-3)}.badge-urgent{background:#ef444426;color:var(--red)}.badge-high{background:#f9731626;color:var(--orange)}.unread-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);flex-shrink:0;animation:pulse 2s infinite}@keyframes pulse{0%,to{box-shadow:0 0 #6366f166}50%{box-shadow:0 0 0 4px #6366f100}}.chat-window{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}.chat-header{padding:0 20px;height:var(--header-h);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;flex-shrink:0;background:var(--bg-2)}.chat-header-name{font-size:16px;font-weight:700;flex:1}.chat-actions{display:flex;gap:8px}.action-btn{padding:7px 14px;border-radius:var(--radius-xs);border:1px solid var(--border);background:transparent;color:var(--text-2);font-size:13px;font-weight:500;cursor:pointer;transition:all var(--t);font-family:inherit}.action-btn:hover{background:var(--bg-3);color:var(--text)}.action-btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.action-btn.primary:hover{background:var(--primary-dark)}.action-btn.danger{border-color:#ef44444d;color:var(--red)}.action-btn.danger:hover{background:#ef44441a}.admin-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:4px}.admin-messages::-webkit-scrollbar{width:4px}.admin-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.msg-group{display:flex;flex-direction:column;gap:2px;margin-bottom:8px}.msg-group.customer{align-items:flex-start}.msg-group.agent{align-items:flex-end}.msg-group.system{align-items:center}.msg-bubble{max-width:70%;padding:10px 14px;border-radius:18px;font-size:14px;line-height:1.5;word-break:break-word;animation:bubble-in .2s ease-out}@keyframes bubble-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.msg-bubble.customer{background:var(--surface-2);color:var(--text);border-bottom-left-radius:4px}.msg-bubble.agent{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;border-bottom-right-radius:4px}.msg-bubble.system{background:transparent;color:var(--text-3);font-size:12px;font-style:italic;text-align:center;max-width:100%;padding:4px 12px}.msg-meta{font-size:11px;color:var(--text-3);padding:0 4px}.admin-input-area{border-top:1px solid var(--border);padding:12px 16px;background:var(--bg-2);display:flex;flex-direction:column;gap:8px;flex-shrink:0}.admin-input-toolbar{display:flex;gap:8px;align-items:center}.toolbar-btn{padding:5px 10px;border-radius:var(--radius-xs);border:1px solid var(--border);background:transparent;color:var(--text-2);font-size:12px;cursor:pointer;transition:all var(--t)}.toolbar-btn:hover{background:var(--bg-3);color:var(--text)}.admin-textarea{width:100%;background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;font-size:14px;color:var(--text);resize:none;outline:none;font-family:inherit;min-height:60px;max-height:160px;transition:border-color var(--t);line-height:1.5}.admin-textarea:focus{border-color:var(--primary)}.admin-textarea::placeholder{color:var(--text-3)}.admin-input-row{display:flex;justify-content:flex-end;align-items:center;gap:8px}.send-btn{padding:9px 20px;border-radius:var(--radius-sm);border:none;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all var(--t);font-family:inherit;display:flex;align-items:center;gap:6px}.send-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #6366f166}.send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.customer-sidebar{width:280px;border-left:1px solid var(--border);background:var(--bg-2);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto}.customer-sidebar::-webkit-scrollbar{width:4px}.customer-sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.sidebar-section{padding:16px;border-bottom:1px solid var(--border)}.sidebar-section-title{font-size:11px;font-weight:700;color:var(--text-3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}.customer-avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--purple) 100%);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:#fff;margin-bottom:10px}.customer-name{font-size:16px;font-weight:700;color:var(--text)}.customer-detail{font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:6px;margin-top:4px}.detail-grid{display:flex;flex-direction:column;gap:8px}.detail-item{display:flex;flex-direction:column;gap:2px}.detail-label{font-size:11px;font-weight:600;color:var(--text-3);text-transform:uppercase;letter-spacing:.04em}.detail-value{font-size:13px;color:var(--text)}.select-field{width:100%;background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius-xs);padding:7px 10px;font-size:13px;color:var(--text);outline:none;font-family:inherit;cursor:pointer;transition:border-color var(--t)}.select-field:focus{border-color:var(--primary)}.login-page{min-height:100vh;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:40px;display:flex;flex-direction:column;gap:24px;box-shadow:var(--shadow)}.login-logo{width:56px;height:56px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);display:flex;align-items:center;justify-content:center;font-size:28px;box-shadow:0 4px 16px #6366f166}.login-title{font-size:24px;font-weight:800;color:var(--text)}.login-sub{font-size:14px;color:var(--text-2);margin-top:16px}.form-field{display:flex;flex-direction:column;gap:6px}.form-label{font-size:13px;font-weight:600;color:var(--text-2)}.form-input{background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 14px;font-size:14px;color:var(--text);outline:none;font-family:inherit;transition:border-color var(--t),box-shadow var(--t)}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f126}.form-input::placeholder{color:var(--text-3)}.btn-primary{padding:13px 20px;border-radius:var(--radius-sm);border:none;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:all var(--t);font-family:inherit;box-shadow:0 2px 12px #6366f14d}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 20px #6366f173}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.error-banner{background:#ef44441f;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-sm);padding:10px 14px;font-size:13px;color:var(--red);line-height:1.4}.toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:9999}.toast{padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:#fff;display:flex;align-items:center;gap:8px;animation:toast-in .25s ease-out;box-shadow:var(--shadow)}.toast.success{background:#15803d}.toast.error{background:#b91c1c}.toast.info{background:var(--primary-dark)}@keyframes toast-in{0%{opacity:0;transform:translateY(12px) scale(.95)}to{opacity:1;transform:none}}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.flex-1{flex:1}.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:12px;color:var(--text-2);font-size:14px;text-align:center;padding:40px}.empty-state-icon{font-size:48px;line-height:1}@media (max-width: 900px){.customer-sidebar{display:none}}@media (max-width: 640px){.conv-list{width:100%}.chat-window,.conv-list.conv-selected{display:none}.chat-window.conv-selected{display:flex}}