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var(--transition-fast);width:100%;justify-content:center}.google-signin-btn:hover{background:#f7f8f8;box-shadow:0 1px 3px #00000026}.google-signin-btn img{width:20px;height:20px}.user-profile{display:flex;align-items:center;gap:var(--space-2);cursor:pointer;position:relative}.user-avatar{width:28px;height:28px;border-radius:50%;background:var(--accent-info);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:var(--text-xs);color:#fff;overflow:hidden}.user-avatar img{width:100%;height:100%;object-fit:cover}.user-dropdown{position:absolute;top:100%;right:0;margin-top:var(--space-2);min-width:200px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:300;display:none;padding:var(--space-2)}.user-dropdown.open{display:block;animation:userDropIn .15s ease}@keyframes userDropIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.user-dropdown-item{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);font-size:var(--text-sm);color:var(--text-primary);cursor:pointer;border-radius:var(--radius-sm);transition:background var(--transition-fast)}.user-dropdown-item:hover{background:var(--bg-surface-hover)}.user-dropdown-item.danger{color:var(--accent-danger)}.user-dropdown-divider{height:1px;background:var(--border-color);margin:var(--space-1) 0}.invite-badge{background:var(--accent-danger);color:#fff;font-size:10px;font-weight:700;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px}.invite-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3);background:var(--bg-surface);border:1px solid 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spin{to{transform:rotate(360deg)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-8);color:var(--text-tertiary);font-size:var(--text-sm);text-align:center;gap:var(--space-2)}[data-theme=light]{--bg-primary: #f5f5f5;--bg-secondary: #ffffff;--bg-tertiary: #e8e8e8;--bg-surface: #ffffff;--bg-surface-hover: #f0f0f0;--bg-surface-active: #e5e5e5;--bg-input: #ffffff;--bg-overlay: rgba(0, 0, 0, .4);--border-color: rgba(0, 0, 0, .12);--border-color-hover: rgba(0, 0, 0, .25);--border-color-focus: #ff6c37;--text-primary: #1a1a2e;--text-secondary: #555;--text-tertiary: #999;--text-inverse: #ffffff;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .15);--shadow-glow: 0 0 20px rgba(255, 108, 55, .1)}[data-theme=light] .json-key{color:#0550ae}[data-theme=light] .json-string{color:#0a3069}[data-theme=light] .json-number{color:#953800}[data-theme=light] 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.history-line{display:none}.history-content{flex:1;min-width:0;padding-bottom:var(--space-2)}.history-header{display:flex;align-items:center;gap:var(--space-2);font-size:13px}.history-icon{font-size:14px}.history-desc{flex:1;color:var(--text-primary);font-weight:500}.history-time{font-size:11px;color:var(--text-tertiary);white-space:nowrap}.history-meta{margin-top:4px;font-size:12px;color:var(--text-tertiary)}.history-user{font-weight:500}.history-message{margin-top:4px;padding:4px 8px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:12px;color:var(--text-secondary);white-space:pre-wrap}