:root{--bg-app: #f8fafc;--bg-surface: #ffffff;--bg-surface-elevated: #ffffff;--bg-subtle: #f1f5f9;--bg-muted: #e2e8f0;--primary-50: #eef2ff;--primary-100: #e0e7ff;--primary-200: #c7d2fe;--primary-500: #6366f1;--primary-600: #4f46e5;--primary-700: #4338ca;--primary-contrast: #ffffff;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--text-inverse: #ffffff;--border-subtle: #f1f5f9;--border-default: #e2e8f0;--border-strong: #cbd5e1;--border-focus: #4f46e5;--status-todo-bg: #f1f5f9;--status-todo-text: #475569;--status-todo-border: #cbd5e1;--status-inprogress-bg: #eff6ff;--status-inprogress-text: #1d4ed8;--status-inprogress-border: #bfdbfe;--status-blocked-bg: #fff1f2;--status-blocked-text: #e11d48;--status-blocked-border: #fecdd3;--status-completed-bg: #f0fdf4;--status-completed-text: #15803d;--status-completed-border: #bbf7d0;--status-overdue-bg: #fef2f2;--status-overdue-text: #dc2626;--status-overdue-border: #fca5a5;--priority-low: #64748b;--priority-med: #0284c7;--priority-high: #d97706;--priority-urgent: #dc2626;--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .04);--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .06), 0 1px 2px -1px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .03);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 8px 10px -6px rgba(0, 0, 0, .03);--radius-xs: 4px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-full: 9999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--sidebar-width: 260px;--navbar-height: 64px;--max-content-width: 1400px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%}body{font-family:var(--font-family);font-size:var(--font-size-sm);color:var(--text-primary);background-color:var(--bg-app);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600;line-height:1.25}h1{font-size:var(--font-size-2xl)}h2{font-size:var(--font-size-xl)}h3{font-size:var(--font-size-lg)}h4{font-size:var(--font-size-base)}p{color:var(--text-secondary)}a{color:var(--primary-600);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-700)}button,input,select,textarea{font-family:inherit;font-size:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-muted);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-container{display:flex;height:100vh;width:100vw;overflow:hidden;background-color:var(--bg-app)}.main-content{flex:1;display:flex;flex-direction:column;height:100vh;overflow-y:auto;position:relative}.page-container{padding:24px 32px;max-width:var(--max-content-width);margin:0 auto;width:100%}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:16px}.page-title-group h1{font-size:1.625rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.page-title-group p{font-size:var(--font-size-sm);color:var(--text-secondary);margin-top:4px}.card{background-color:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:var(--font-size-base);font-weight:600;color:var(--text-primary)}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600;white-space:nowrap}.badge-todo{background-color:var(--status-todo-bg);color:var(--status-todo-text);border:1px solid var(--status-todo-border)}.badge-in-progress{background-color:var(--status-inprogress-bg);color:var(--status-inprogress-text);border:1px solid var(--status-inprogress-border)}.badge-blocked{background-color:var(--status-blocked-bg);color:var(--status-blocked-text);border:1px solid var(--status-blocked-border)}.badge-completed{background-color:var(--status-completed-bg);color:var(--status-completed-text);border:1px solid var(--status-completed-border)}.badge-overdue{background-color:var(--status-overdue-bg);color:var(--status-overdue-text);border:1px solid var(--status-overdue-border)}.badge-priority-low{background-color:#f8fafc;color:var(--priority-low);border:1px solid #e2e8f0}.badge-priority-medium{background-color:#f0f9ff;color:var(--priority-med);border:1px solid #bae6fd}.badge-priority-high{background-color:#fffbeb;color:var(--priority-high);border:1px solid #fde68a}.badge-priority-urgent{background-color:#fef2f2;color:var(--priority-urgent);border:1px solid #fecaca}