:root{--font-sans:"Inter", "SF Pro Display", system-ui, sans-serif;--bg-base:#f9fafb;--bg-card:#fff;--text-primary:#1d1d1f;--text-secondary:#4b5563;--text-muted:#9ca3af;--color-accent:#4f46e5;--color-accent-hover:#4338ca;--color-accent-soft:#4f46e514;--color-border:#e5e7eb;--color-border-hover:#d1d5db;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 12px #0000000d, 0 1px 2px #00000008;--shadow-lg:0 15px 30px #0000000f;--radius-sm:8px;--radius-md:10px;--radius-lg:15px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.6}.custom-scrollbar::-webkit-scrollbar{width:6px;height:6px}.custom-scrollbar::-webkit-scrollbar-track{background:0 0}.custom-scrollbar::-webkit-scrollbar-thumb{background:#00000014;border-radius:10px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:var(--color-accent)}.login-container{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--color-border);width:100%;max-width:380px;box-shadow:var(--shadow-lg);text-align:center;padding:32px}.lock-icon-wrapper{background:var(--color-accent-soft);width:48px;height:48px;color:var(--color-accent);border-radius:12px;justify-content:center;align-items:center;margin:0 auto 24px;display:flex}.login-header h2{color:var(--text-primary);margin-bottom:6px;font-size:1.25rem;font-weight:700}.login-header p{color:var(--text-secondary);margin-bottom:24px;font-size:.75rem;font-weight:500}.login-form{flex-direction:column;gap:16px;display:flex}.form-input{background:var(--bg-base);border:1px solid var(--color-border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);outline:none;padding:12px 16px;font-size:.75rem;font-weight:600;transition:border-color .2s}.form-input:focus{border-color:var(--color-accent)}.error-text{color:#ef4444;font-size:.65rem;font-weight:700}.submit-btn{background:var(--color-accent);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;width:100%;padding:12px;font-size:.75rem;font-weight:700;transition:background-color .2s,transform .1s}.submit-btn:hover{background-color:var(--color-accent-hover)}.submit-btn:active{transform:scale(.98)}.dashboard-container{flex-direction:column;height:100vh;display:flex;overflow:hidden}.dashboard-header{background:var(--bg-card);border-b:1px solid var(--color-border);z-index:10;flex-shrink:0;justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex}.brand-wrapper{align-items:center;gap:10px;display:flex}.status-dot{border-radius:50%;width:10px;height:10px}.status-dot.green{background-color:#10b981}.brand-wrapper h1{color:var(--text-primary);font-size:.875rem;font-weight:700}.logout-btn{border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;background:0 0;align-items:center;gap:6px;padding:8px 12px;font-size:11px;font-weight:700;transition:all .2s;display:flex}.logout-btn:hover{color:#ef4444;border-color:#fca5a5}.workspace-layout{flex:1;display:flex;overflow:hidden}.sidebar{background:var(--bg-card);border-right:1px solid var(--color-border);flex-direction:column;flex-shrink:0;width:320px;display:flex}.filter-wrapper{border-bottom:1px solid #0000000d;padding:16px}.tabs{border-radius:var(--radius-md);background:#f3f4f6;padding:2px;display:flex}.tab-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:6px;font-size:10px;font-weight:700;transition:all .2s}.tab-btn.active{color:var(--text-primary);box-shadow:var(--shadow-sm);background:#fff}.sessions-list{flex-direction:column;flex:1;display:flex;overflow-y:auto}.empty-state{text-align:center;color:var(--text-muted);padding:40px 24px}.empty-icon{opacity:.4;margin:0 auto 12px}.empty-state p{font-size:12px;font-weight:600}.session-card{text-align:left;cursor:pointer;background:0 0;border-top:none;border-bottom:1px solid #00000005;border-left:3px solid #0000;border-right:none;flex-direction:column;gap:6px;width:100%;padding:16px;transition:all .2s;display:flex}.session-card:hover{background-color:#f9fafb80}.session-card.active{border-left-color:var(--color-accent);background-color:#4f46e508}.session-card-header{justify-content:space-between;align-items:center;display:flex}.session-id{color:var(--text-muted);font-size:10px;font-weight:700}.session-time{color:var(--text-muted);font-size:9px}.session-title{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:600;overflow:hidden}.chat-viewport{background-color:#f9fafb80;flex-direction:column;flex:1;display:flex;overflow:hidden}.chat-header{background:var(--bg-card);border-bottom:1px solid var(--color-border);flex-shrink:0;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex}.chat-details h3{color:var(--text-primary);font-size:12px;font-weight:700}.chat-meta{color:var(--text-muted);align-items:center;gap:4px;margin-top:2px;font-size:9px;font-weight:500;display:flex}.status-toggle-btn{border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;align-items:center;gap:4px;padding:6px 12px;font-size:10px;font-weight:700;transition:all .2s;display:flex}.status-toggle-btn.active{background:var(--color-accent-soft);color:var(--color-accent);border-color:#4f46e51a}.status-toggle-btn.active:hover{background:#4f46e51f}.status-toggle-btn.resolved{color:#10b981;background:#10b98114;border-color:#10b9811a}.status-toggle-btn.resolved:hover{background:#10b9811f}.message-feed{flex-direction:column;flex:1;gap:16px;padding:24px;display:flex;overflow-y:auto}.message-row{width:100%;display:flex}.message-row.admin{justify-content:flex-end}.message-row.visitor{justify-content:flex-start}.message-bubble-wrapper{max-w:70%;flex-direction:column;gap:4px;display:flex}.message-bubble{box-shadow:var(--shadow-sm);border-radius:12px;padding:12px 16px;font-size:12px;font-weight:500;line-height:1.6}.message-bubble.admin{background-color:var(--color-accent);color:#fff;border-top-right-radius:0}.message-bubble.visitor{background-color:var(--bg-card);color:var(--text-primary);border:1px solid #e5e7eb99;border-top-left-radius:0}.message-timestamp{color:var(--text-muted);text-align:right;padding:0 4px;font-size:8px;font-weight:500}.reply-form{background:var(--bg-card);border-top:1px solid var(--color-border);flex-shrink:0;align-items:center;gap:12px;padding:16px;display:flex}.reply-input{background:var(--bg-base);border-radius:var(--radius-md);color:var(--text-primary);border:1px solid #e5e7ebcc;outline:none;flex:1;padding:12px 16px;font-size:12px;font-weight:600;transition:border-color .2s}.reply-input:focus{border-color:var(--color-accent)}.reply-input:disabled{opacity:.5}.send-btn{background:var(--color-accent);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;padding:12px;transition:background-color .2s;display:flex;box-shadow:0 1px 3px #4f46e51a}.send-btn:hover:not(:disabled){background:var(--color-accent-hover)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.empty-chat-viewport{color:var(--text-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;display:flex}.empty-viewport-icon{opacity:.2;animation:3s ease-in-out infinite float}.empty-chat-viewport p{font-size:12px;font-weight:600}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.quick-replies-panel{background:var(--bg-card);border-top:1px solid var(--color-border);flex-shrink:0;align-items:center;gap:12px;padding:10px 16px;display:flex}.quick-reply-label{color:var(--text-secondary);white-space:nowrap;font-size:10px;font-weight:700}.quick-reply-buttons{flex:1;gap:8px;padding-bottom:2px;display:flex;overflow-x:auto}.quick-reply-btn{background:var(--bg-base);border:1px solid var(--color-border);color:var(--text-secondary);cursor:pointer;white-space:nowrap;border-radius:20px;padding:6px 12px;font-size:10px;font-weight:600;transition:all .2s}.quick-reply-btn:hover{border-color:var(--color-accent);color:var(--color-accent);background:var(--color-accent-soft)}.inspector-panel{background:var(--bg-card);border-left:1px solid var(--color-border);flex-direction:column;flex-shrink:0;width:260px;display:flex}.inspector-header{border-bottom:1px solid var(--color-border);height:56px;color:var(--text-primary);align-items:center;gap:8px;padding:0 20px;display:flex}.inspector-header h3{font-size:12px;font-weight:700}.inspector-body{flex-direction:column;gap:20px;padding:20px;display:flex}.meta-group{flex-direction:column;gap:6px;display:flex}.meta-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:9px;font-weight:700}.meta-value{color:var(--text-secondary);word-break:break-all;font-size:11px;font-weight:600}.meta-value.code{background:var(--bg-base);border-radius:4px;padding:4px 6px;font-family:monospace;font-size:10px}.meta-value.text-wrap{line-height:1.4}.meta-badge{text-transform:uppercase;border-radius:12px;align-self:flex-start;padding:3px 8px;font-size:9px;font-weight:700;display:inline-block}.meta-badge.active{background:var(--color-accent-soft);color:var(--color-accent)}.meta-badge.resolved{color:#10b981;background:#10b98114}