:root{--brand-50: #fafafa;--brand-100: #f4f4f5;--brand-200: #e4e4e7;--brand-300: #d4d4d8;--brand-400: #a1a1aa;--brand-500: #71717a;--brand-600: #52525b;--brand-700: #3f3f46;--brand-800: #27272a;--brand-900: #18181b;--background-50: #ffffff;--background-100: #fafafa;--background-200: #f5f5f5;--background-300: #e5e5e5;--background-400: #d4d4d4;--background-500: #a3a3a3;--background-600: #404040;--background-700: #262626;--background-800: #171717;--background-900: #0a0a0a;--text-50: #fafafa;--text-100: #ededed;--text-200: #d4d4d4;--text-300: #a1a1a1;--text-400: #858585;--text-500: #6e6e6e;--text-600: #525252;--text-700: #404040;--text-800: #171717;--text-900: #0a0a0a;--icon-50: #fafafa;--icon-100: #e5e5e5;--icon-200: #d4d4d4;--icon-300: #b0b0b0;--icon-400: #8f8f8f;--icon-500: #6e6e6e;--icon-600: #525252;--icon-700: #404040;--icon-800: #262626;--icon-900: #0a0a0a;--background: var(--background-50);--card: var(--background-50);--popover: var(--background-50);--muted: var(--background-100);--foreground: var(--brand-900);--card-foreground: var(--brand-900);--popover-foreground: var(--brand-900);--primary-foreground: var(--brand-50);--secondary-foreground: var(--brand-900);--muted-foreground: var(--brand-500);--accent-foreground: var(--brand-900);--destructive-foreground: var(--background-50);--sidebar-foreground: var(--brand-900);--sidebar-primary-foreground: var(--brand-50);--sidebar-accent-foreground: var(--brand-900);--primary: var(--brand-900);--secondary: var(--brand-100);--accent: var(--brand-100);--input: var(--brand-200);--ring: var(--brand-900);--border: var(--brand-200);--border-strong: var(--brand-300);--success: #16a34a;--success-foreground: var(--background-50);--success-subtle: #f0fdf4;--success-border: #bbf7d0;--success-text: #15803d;--destructive: #dc2626;--destructive-subtle: #fef2f2;--destructive-border: #fecaca;--destructive-text: #b91c1c;--brand-subtle: var(--brand-100);--brand-border: var(--brand-300);--chart-1: var(--brand-200);--chart-2: var(--brand-400);--chart-3: var(--brand-600);--chart-4: var(--brand-800);--chart-5: var(--brand-900);--sidebar: var(--brand-50);--sidebar-primary: var(--brand-900);--sidebar-accent: var(--brand-100);--sidebar-border: var(--brand-200);--sidebar-ring: var(--brand-400);--font-sans: "Geist", ui-sans-serif, sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--font-serif: "DM Serif Display", ui-serif, serif;--font-mono: "Geist Mono", ui-monospace, SFMono-Regular, monospace;--tracking-normal: 0em;--tracking-tight: -.012em;--radius: .75rem;--radius-sm: .375rem;--radius-lg: 1rem;--radius-md: var(--radius);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05), 0 1px 1px 0 rgba(0, 0, 0, .03);--spacing: .25rem;--color-surface: var(--background);--color-surface-muted: var(--muted);--color-text: var(--foreground);--color-text-muted: var(--muted-foreground);--color-primary: var(--primary);--color-primary-foreground: var(--primary-foreground);--color-brand: var(--primary);--color-brand-subtle: var(--brand-subtle);--color-brand-border: var(--brand-border);--color-border: var(--border);--color-border-strong: var(--border-strong);--color-success-50: var(--success-subtle);--color-success-200: var(--success-border);--color-success-600: var(--success);--color-success-700: var(--success-text);--color-danger-50: var(--destructive-subtle);--color-danger-200: var(--destructive-border);--color-danger-600: var(--destructive);--color-danger-700: var(--destructive-text);--space-4: var(--spacing)}.dark{--background: var(--brand-900);--card: var(--brand-800);--popover: var(--brand-800);--muted: var(--brand-800);--foreground: var(--brand-50);--card-foreground: var(--brand-50);--popover-foreground: var(--brand-50);--primary-foreground: var(--brand-900);--secondary-foreground: var(--brand-50);--muted-foreground: var(--brand-400);--accent-foreground: var(--brand-50);--destructive-foreground: var(--brand-50);--sidebar-foreground: var(--brand-50);--sidebar-primary-foreground: var(--brand-900);--sidebar-accent-foreground: var(--brand-50);--primary: var(--brand-50);--secondary: var(--brand-800);--accent: var(--brand-700);--input: var(--brand-700);--ring: var(--brand-300);--border: var(--brand-700);--border-strong: var(--brand-600);--success: #22c55e;--success-foreground: #052e16;--success-subtle: #0f2417;--success-border: #166534;--success-text: #4ade80;--destructive: #ef4444;--destructive-subtle: #2a1416;--destructive-border: #7f1d1d;--destructive-text: #fca5a5;--brand-subtle: var(--brand-800);--brand-border: var(--brand-700);--chart-1: var(--brand-700);--chart-2: var(--brand-500);--chart-3: var(--brand-300);--chart-4: var(--brand-200);--chart-5: var(--brand-50);--sidebar: var(--brand-800);--sidebar-primary: var(--brand-50);--sidebar-accent: var(--brand-700);--sidebar-border: var(--brand-700);--sidebar-ring: var(--brand-400)}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{font-family:var(--font-sans);background:var(--color-surface-muted);color:var(--color-text);-webkit-font-smoothing:antialiased;letter-spacing:var(--tracking-normal);transition:background .24s ease,color .24s ease}button,input{font:inherit}button{border:0;background:none;color:inherit;cursor:pointer}button:focus-visible,input:focus-visible{outline:none;box-shadow:0 0 0 2px var(--background),0 0 0 4px var(--ring)}.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;white-space:nowrap}.muted{color:var(--color-text-muted)}.small{font-size:.8125rem}.no-scrollbar::-webkit-scrollbar{display:none}.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}.shell{min-height:100vh;padding:calc(var(--space-4) * 3);max-width:1184px;margin:0 auto}.dashboard-frame{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:calc(100vh - calc(var(--space-4) * 9));background:var(--background);border:1px 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.nav-label svg,.nav-item.active .nav-caption{color:var(--sidebar-primary-foreground);opacity:.85}.sidebar-footer{margin-top:auto;padding-top:calc(var(--space-4) * 3.5);border-top:1px solid var(--sidebar-border)}.sidebar-footer .eyebrow{display:inline-flex;align-items:center;gap:calc(var(--space-4) * 1.25);margin-bottom:calc(var(--space-4) * 1.5)}.sidebar-footer p{margin:calc(var(--space-4) * 1.25) 0 0;line-height:1.5;font-size:.78rem;color:var(--color-text-muted)}.sidebar-footer strong{font-size:.84rem;font-weight:600;letter-spacing:var(--tracking-tight)}.main{padding:calc(var(--space-4) * 5);display:flex;flex-direction:column;gap:calc(var(--space-4) * 4);min-width:0}.topbar{display:flex;flex-direction:column;gap:calc(var(--space-4) * 4);padding-bottom:calc(var(--space-4) * 4);border-bottom:1px solid var(--color-border)}.utility-bar{display:flex;align-items:center;justify-content:flex-end;gap:calc(var(--space-4) * 2);min-width:0}.header-title{min-width:0;max-width:64ch}.header-title h1{margin:calc(var(--space-4) * 1.5) 0;font-size:1.5rem;font-weight:600;line-height:1.2;letter-spacing:var(--tracking-tight)}.header-title .support{line-height:1.55;font-size:.875rem}.header-actions{display:flex;align-items:center;gap:calc(var(--space-4) * 2);flex-shrink:0;min-width:0}.search{display:flex;align-items:center;gap:calc(var(--space-4) * 2);width:240px;height:32px;padding:0 calc(var(--space-4) * 2.5);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);transition:border-color .18s ease,box-shadow .18s ease}.search:focus-within{border-color:var(--ring);box-shadow:0 0 0 3px var(--brand-subtle)}.search svg{flex-shrink:0;color:var(--color-text-muted)}.search input{width:100%;min-width:0;border:0;background:transparent;color:var(--color-text);font-size:.8125rem}.search 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* 2)}.login-user-row-del .login-user-name{color:var(--color-danger-700, #b91c1c);font-size:.78rem}.login-del-msg{font-weight:500!important}.btn-sm{height:28px;padding:0 calc(var(--space-4) * 2);font-size:.72rem;flex-shrink:0}.btn.danger{background:var(--color-danger-600, #dc2626);color:#fff;border-color:var(--color-danger-600, #dc2626)}.btn.danger:hover{background:var(--color-danger-700, #b91c1c)}.login-pass-row{display:flex;align-items:center;gap:calc(var(--space-4) * 1.5);flex-wrap:wrap}.login-input{flex:1;min-width:140px;height:32px;padding:0 calc(var(--space-4) * 2.5);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:.8125rem}.login-input:focus{outline:none;border-color:var(--ring);box-shadow:0 0 0 3px var(--brand-subtle)}.login-form{display:flex;flex-direction:column;gap:calc(var(--space-4) * 3)}.login-field{display:flex;flex-direction:column;gap:calc(var(--space-4) * 1.5)}.login-field span{font-size:.75rem;font-weight:600;color:var(--color-text-muted)}.login-form-actions{display:flex;align-items:center;gap:calc(var(--space-4) * 2);flex-wrap:wrap}.login-empty{font-size:.8125rem;color:var(--color-text-muted);padding:calc(var(--space-4) * 2)}.login-link-btn{display:inline-flex;align-items:center;justify-content:center;gap:calc(var(--space-4) * 1.5);height:32px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:.8125rem;font-weight:500;cursor:pointer;transition:background .18s ease,border-color .18s ease}.login-link-btn:hover{background:var(--accent);border-color:var(--color-border-strong)}.login-guest{border-color:transparent;background:transparent;color:var(--color-text-muted);font-weight:400}.login-guest:hover{color:var(--color-text);border-color:var(--color-border)}.login-error{font-size:.78rem;color:var(--color-danger-700);background:var(--color-danger-50);border:1px solid var(--color-danger-200);border-radius:var(--radius-sm);padding:calc(var(--space-4) * 1.5) calc(var(--space-4) * 2)}.login-note{font-size:.7rem;color:var(--color-text-muted);text-align:center}.user-chip-wrap{position:relative;flex-shrink:0}.user-chip{display:flex;align-items:center;gap:calc(var(--space-4) * 1.5);background:transparent;border:0;padding:0;cursor:pointer;color:var(--color-text)}.user-chip-name{max-width:96px;font-size:.78rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:transparent;border:0;padding:0;cursor:default}.user-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:41;width:184px;padding:calc(var(--space-4) * 2);display:flex;flex-direction:column;gap:calc(var(--space-4) * 1.5);background:var(--card);color:var(--card-foreground);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.user-menu-head strong{display:block;font-size:.8125rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu-head small{color:var(--color-text-muted);font-size:.7rem}.user-menu-item{display:flex;align-items:center;gap:calc(var(--space-4) * 1.5);height:30px;padding:0 calc(var(--space-4) * 1.5);border:0;border-radius:var(--radius-sm);background:transparent;color:var(--color-text);font-size:.78rem;cursor:pointer;transition:background .18s ease}.user-menu-item:hover{background:var(--accent)}@media (max-width: 640px){.user-chip-name{display:none}.login-card{padding:calc(var(--space-4) * 4)}.login-pass-row .login-input{min-width:0;width:100%}}.step-group{display:inline-flex;gap:3px}.step-mini{width:22px;height:22px;display:inline-grid;place-items:center;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:.82rem;font-weight:600;line-height:1;cursor:pointer;transition:background .12s ease,border-color .12s ease}.step-mini:hover{background:var(--accent);border-color:var(--color-border-strong)}.step-mini:active{transform:scale(.94)}.num-field .step-group{flex-shrink:0}.auto-tag{font-size:.66rem;color:var(--color-text-muted);background:var(--muted);border-radius:999px;padding:2px 8px;white-space:nowrap}.bet-frac{display:flex;flex-direction:column;align-items:flex-start;gap:1px;min-width:72px}.bet-frac-pct{font-weight:600}.bet-frac-amt{font-size:.66rem;font-weight:400;color:var(--color-text-muted);font-variant-numeric:tabular-nums}.amt-ladder{margin:2px 0 8px}.solver-panel{scroll-margin-top:12px;scroll-margin-bottom:72px}