*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base: #0d0f18;--bg-surface: #12151f;--bg-card: #1a1e2d;--bg-hover: #222638;--border: #252a3a;--border-light: #2e3448;--text-primary: #e4e8f0;--text-secondary:#8890a8;--text-muted: #555e78;--accent: #4F46E5;--accent-hover: #6366F1;--success: #22c55e;--warning: #f59e0b;--error: #ef4444;--pending: #f59e0b;--active: #22c55e;--closed: #555e78}html,body,#root{height:100%;font-family:Inter,system-ui,sans-serif;background:var(--bg-base);color:var(--text-primary);font-size:14px;line-height:1.5}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh}.spinner{width:48px;height:48px;border:3px solid rgba(79,70,229,.15);border-top-color:#4f46e5;border-radius:50%;animation:spin .8s cubic-bezier(.6,.2,.4,.8) infinite;box-shadow:0 0 24px #4f46e566,inset 0 0 8px #4f46e51a}@keyframes 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var(--accent);padding-left:8px}.chat-item.unread .chat-item-name{font-weight:700;color:var(--text-primary)}.chat-item-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}.chat-item-info{flex:1;min-width:0}.chat-item-row{display:flex;align-items:center;justify-content:space-between;gap:4px}.chat-item-name{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-item-time{font-size:11px;color:var(--text-muted);flex-shrink:0}.chat-item-preview{font-size:12px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.unread-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0;box-shadow:0 0 6px 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10px}.role-badge.root{background:#4f46e526;color:var(--accent)}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}