:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--border-color: #e2e8f0;--border-hover: #cbd5e1;--accent-color: #3b82f6;--accent-hover: #2563eb;--accent-light: #eff6ff;--danger-color: #ef4444;--danger-hover: #dc2626;--danger-light: #fef2f2;--success-color: #10b981;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--shadow-card: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--color-mine: #f43f5e;--color-task-center: #0f766e;--color-development: #3b82f6;--color-data: #06b6d4;--color-design: #ec4899;--color-management: #8b5cf6;--color-monitor: #10b981;--color-document: #f59e0b;--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-tertiary: #64748b;--border-color: #334155;--border-hover: #475569;--accent-light: #1e3a5f;--danger-light: #450a0a;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .4), 0 2px 4px -2px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .4), 0 4px 6px -4px rgb(0 0 0 / .3);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .5), 0 8px 10px -6px rgb(0 0 0 / .4);--shadow-card: 0 1px 3px 0 rgb(0 0 0 / .3), 0 1px 2px -1px rgb(0 0 0 / .2)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;transition:background-color 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svg{width:22px;height:22px}.logo-text{font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--accent-color),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-actions{display:flex;align-items:center;gap:12px}.account-menu{position:relative}.account-trigger{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 14px 0 10px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:999px;cursor:pointer;transition:all var(--transition-normal)}.account-trigger:hover{border-color:var(--border-hover);box-shadow:var(--shadow-sm)}.account-avatar{width:30px;height:30px;border-radius:999px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent-color),#8b5cf6);color:#fff;font-size:.8125rem;font-weight:700}.account-meta{display:flex;flex-direction:column;align-items:flex-start;line-height:1.2}.account-name{color:var(--text-primary);font-size:.875rem;font-weight:600}.account-role{color:var(--text-tertiary);font-size:.75rem}.account-caret{width:16px;height:16px;color:var(--text-tertiary)}.account-dropdown{position:absolute;top:calc(100% + 10px);right:0;min-width:180px;display:none;flex-direction:column;padding:8px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;box-shadow:var(--shadow-lg);z-index:120}.account-dropdown.active{display:flex}.account-dropdown-item{display:flex;align-items:center;min-height:40px;padding:0 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var(--border-color);border-radius:var(--radius-sm);font-size:.75rem;font-family:inherit;color:var(--text-tertiary)}.btn-add{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent-color),#8b5cf6);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);color:#fff}.btn-add:hover{transform:scale(1.05);box-shadow:var(--shadow-md)}.btn-add svg{width:20px;height:20px}.theme-toggle{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal)}.theme-toggle:hover{border-color:var(--border-hover);background:var(--bg-secondary)}.theme-toggle svg{width:20px;height:20px;color:var(--text-secondary);transition:all var(--transition-normal)}.theme-toggle .moon-icon,[data-theme=dark] .theme-toggle 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