:root{--color-navy-50:#E6EBF1;--color-navy-100:#C2CCD7;--color-navy-200:#8FA3B6;--color-navy-300:#5C7995;--color-navy-400:#3E5C7A;--color-navy-500:#2C4A6E;--color-navy-600:#213D5C;--color-navy-700:#173456;--color-navy-800:#112641;--color-navy-900:#0B1A2C;--color-charcoal-50:#F4F5F6;--color-charcoal-100:#E5E7E9;--color-charcoal-200:#D6D9DD;--color-charcoal-300:#B0B6BD;--color-charcoal-400:#6B7480;--color-charcoal-500:#525A65;--color-charcoal-600:#3D464F;--color-charcoal-700:#2C333B;--color-charcoal-800:#1F242B;--color-charcoal-900:#14181D;--color-cream-50:#FAF7F2;--color-cream-100:#F2EEE6;--color-cream-200:#E8E2D5;--color-cream-300:#D9D1BD;--color-cream-400:#C5BAA0;--color-brass-50:#FAF4E8;--color-brass-100:#F0E5D2;--color-brass-200:#E1D0AE;--color-brass-300:#CDB585;--color-brass-400:#B89A66;--color-brass-500:#B08D57;--color-brass-600:#9A7846;--color-brass-700:#7E6138;--color-brass-800:#5E4829;--color-flag-50:#F8EFEA;--color-flag-100:#F2E1D7;--color-flag-200:#E5C5B2;--color-flag-300:#C99580;--color-flag-400:#B36F55;--color-flag-500:#9A4A2F;--color-flag-600:#7F3B25;--color-flag-700:#5C2B1A;--color-success-50:#ECF1ED;--color-success-100:#D4E1D7;--color-success-300:#88A88E;--color-success-500:#3F6B4A;--color-success-700:#2A4A32;--color-warning-50:#F5EFE0;--color-warning-100:#E8DDB8;--color-warning-300:#BFA268;--color-warning-500:#8A6E2F;--color-warning-700:#5E4A1F;--color-error-50:#F4E6E6;--color-error-100:#E5C5C5;--color-error-300:#B86A6A;--color-error-500:#8B2E2E;--color-error-700:#5E1F1F;--space-0:0;--space-px:1px;--space-0-5:0.125rem;--space-1:0.25rem;--space-1-5:0.375rem;--space-2:0.5rem;--space-2-5:0.625rem;--space-3:0.75rem;--space-3-5:0.875rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-7:1.75rem;--space-8:2rem;--space-9:2.25rem;--space-10:2.5rem;--space-12:3rem;--space-14:3.5rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--font-size-xs:0.75rem;--font-size-sm:0.8125rem;--font-size-base:0.9375rem;--font-size-md:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--font-size-5xl:3rem;--leading-none:1;--leading-tight:1.2;--leading-snug:1.3;--leading-normal:1.45;--leading-relaxed:1.55;--leading-loose:1.7;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--tracking-tighter:-0.05em;--tracking-tight:-0.02em;--tracking-normal:0;--tracking-wide:0.04em;--tracking-wider:0.08em;--radius-none:0;--radius-sm:0.125rem;--radius-md:0.25rem;--radius-lg:0.375rem;--radius-xl:0.5rem;--radius-2xl:0.75rem;--radius-3xl:1.5rem;--radius-pill:9999px;--shadow-none:none;--shadow-sm:0 1px 2px 0 rgb(11 26 44/0.04);--shadow-md:0 2px 4px 0 rgb(11 26 44/0.06),0 1px 2px -1px rgb(11 26 44/0.04);--shadow-lg:0 8px 16px -2px rgb(11 26 44/0.08),0 2px 4px -2px rgb(11 26 44/0.04);--shadow-xl:0 20px 25px -5px rgb(11 26 44/0.10),0 8px 10px -6px rgb(11 26 44/0.04);--shadow-inner:inset 0 1px 2px 0 rgb(11 26 44/0.04);--duration-fast:120ms;--duration-normal:180ms;--duration-slow:240ms;--duration-stream:30ms;--ease-default:cubic-bezier(0.2,0,0,1);--ease-stream:linear;--z-0:0;--z-10:10;--z-20:20;--z-30:30;--z-40:40;--z-50:50;--z-dropdown:1000;--z-sticky:1100;--z-modal:1200;--z-popover:1300;--z-tooltip:1400;--bg-app:var(--color-cream-50);--bg-surface:var(--color-cream-100);--bg-surface-raised:var(--color-cream-100);--bg-overlay:rgb(11 26 44/0.40);--bg-inverse:var(--color-navy-900);--text-primary:var(--color-charcoal-800);--text-secondary:var(--color-charcoal-600);--text-muted:var(--color-charcoal-400);--text-inverse:var(--color-cream-50);--text-on-accent:var(--color-cream-50);--text-link:var(--color-navy-700);--text-link-hover:var(--color-navy-900);--border-hairline:1px solid var(--color-charcoal-200);--border-default:1px solid var(--color-charcoal-200);--border-strong:1px solid var(--color-charcoal-400);--border-on-cream:1px solid var(--color-cream-200);--border-inverse:1px solid var(--color-navy-700);--color-brand:var(--color-navy-900);--color-brand-emphasis:var(--color-navy-700);--color-accent:var(--color-brass-500);--color-accent-hover:var(--color-brass-600);--color-accent-bg:var(--color-brass-100);--color-accent-fg:var(--color-charcoal-800);--color-mode-sovereign:var(--color-navy-700);--color-mode-sovereign-bg:var(--color-navy-700);--color-mode-sovereign-fg:var(--color-cream-50);--color-mode-advanced:var(--color-charcoal-600);--color-mode-advanced-bg:transparent;--color-mode-advanced-fg:var(--color-charcoal-600);--color-mode-advanced-border:var(--color-charcoal-400);--color-flag:var(--color-flag-500);--color-flag-bg:var(--color-flag-100);--color-flag-border:var(--color-flag-500);--color-success:var(--color-success-500);--color-success-bg:var(--color-success-50);--color-success-border:var(--color-success-300);--color-warning:var(--color-warning-500);--color-warning-bg:var(--color-warning-50);--color-warning-border:var(--color-warning-300);--color-error:var(--color-error-500);--color-error-bg:var(--color-error-50);--color-error-border:var(--color-error-300);--focus-ring-color:var(--color-brass-500);--focus-ring-width:2px;--focus-ring-offset:2px;--space-component:var(--space-3);--space-form-field:var(--space-4);--space-section:var(--space-6);--space-page:var(--space-10);--space-sidebar:var(--space-4);--space-table-cell:var(--space-3);--space-card:var(--space-5);--layout-sidebar-width:280px;--layout-content-max:760px;--layout-page-max:1280px;--layout-header-height:56px;--button-bg:var(--color-navy-700);--button-fg:var(--color-cream-50);--button-bg-hover:var(--color-navy-800);--button-bg-active:var(--color-navy-900);--button-bg-disabled:var(--color-charcoal-200);--button-fg-disabled:var(--color-charcoal-400);--button-secondary-bg:var(--color-cream-100);--button-secondary-fg:var(--color-charcoal-800);--button-secondary-border:var(--color-charcoal-200);--button-secondary-hover:var(--color-cream-200);--button-tertiary-fg:var(--color-navy-700);--button-tertiary-hover:var(--color-navy-900);--button-destructive-bg:var(--color-error-500);--button-destructive-fg:var(--color-cream-50);--button-destructive-hover:var(--color-error-700);--button-padding-x:var(--space-4);--button-padding-y:var(--space-2);--button-radius:var(--radius-sm);--button-font-weight:var(--font-weight-medium);--button-font-size:var(--font-size-sm);--button-transition:background var(--duration-fast) var(--ease-default);--input-bg:var(--color-cream-50);--input-fg:var(--color-charcoal-800);--input-placeholder:var(--color-charcoal-400);--input-border:var(--color-charcoal-400);--input-border-hover:var(--color-charcoal-600);--input-border-focus:var(--color-brass-500);--input-border-disabled:var(--color-charcoal-200);--input-padding-x:var(--space-3);--input-padding-y:var(--space-2);--input-radius:var(--radius-sm);--input-height:36px;--input-transition:border-color var(--duration-fast) var(--ease-default);--card-bg:var(--color-cream-100);--card-fg:var(--color-charcoal-800);--card-border:1px solid var(--color-cream-200);--card-radius:var(--radius-md);--card-padding:var(--space-5);--card-shadow:var(--shadow-none);--table-header-bg:var(--color-cream-100);--table-header-fg:var(--color-charcoal-600);--table-row-bg:var(--color-cream-50);--table-row-bg-hover:var(--color-cream-100);--table-row-bg-selected:var(--color-brass-100);--table-row-fg:var(--color-charcoal-800);--table-row-fg-muted:var(--color-charcoal-400);--table-cell-padding-x:var(--space-4);--table-cell-padding-y:var(--space-3);--table-border:var(--border-hairline);--sidebar-bg:var(--color-cream-100);--sidebar-fg:var(--color-charcoal-800);--sidebar-fg-muted:var(--color-charcoal-400);--sidebar-item-bg-hover:var(--color-cream-200);--sidebar-item-bg-active:var(--color-cream-50);--sidebar-border-right:1px solid var(--color-cream-200);--sidebar-item-padding:var(--space-3);--sidebar-item-radius:var(--radius-sm);--mode-toggle-bg:var(--color-cream-100);--mode-toggle-border:1px solid var(--color-charcoal-200);--mode-toggle-fg:var(--color-charcoal-600);--mode-toggle-radius:var(--radius-pill);--mode-toggle-thumb-bg:var(--color-cream-50);--mode-toggle-thumb-shadow:var(--shadow-sm);--mode-toggle-sovereign-bg:var(--color-navy-700);--mode-toggle-sovereign-fg:var(--color-cream-50);--mode-toggle-advanced-bg:var(--color-charcoal-700);--mode-toggle-advanced-fg:var(--color-cream-50);--mode-badge-sovereign-bg:var(--color-navy-700);--mode-badge-sovereign-fg:var(--color-cream-50);--mode-badge-advanced-bg:transparent;--mode-badge-advanced-fg:var(--color-charcoal-600);--mode-badge-advanced-border:1px solid var(--color-charcoal-400);--mode-badge-padding-x:var(--space-2);--mode-badge-padding-y:var(--space-0-5);--mode-badge-radius:var(--radius-sm);--mode-badge-font-size:var(--font-size-xs);--mode-badge-tracking:var(--tracking-wide);--flag-badge-fg:var(--color-flag-500);--flag-badge-border:1px solid var(--color-flag-500);--flag-row-bg:var(--color-flag-100);--flag-row-border-left:3px solid var(--color-flag-500);--flag-badge-padding-x:var(--space-2);--flag-badge-padding-y:var(--space-0-5);--flag-badge-radius:var(--radius-sm);--flag-badge-font-size:var(--font-size-xs);--chat-bubble-user-bg:var(--color-cream-100);--chat-bubble-user-fg:var(--color-charcoal-800);--chat-bubble-user-border:1px solid var(--color-cream-200);--chat-bubble-assistant-bg:var(--color-cream-50);--chat-bubble-assistant-fg:var(--color-charcoal-800);--chat-bubble-assistant-border:1px solid var(--color-cream-200);--chat-bubble-padding:var(--space-4);--chat-bubble-radius:var(--radius-md);--chat-bubble-max-width:var(--layout-content-max);--chat-timestamp-fg:var(--color-charcoal-400);--chat-timestamp-font:var(--font-mono-stack);--chat-timestamp-size:var(--font-size-xs);--modal-bg:var(--color-cream-50);--modal-fg:var(--color-charcoal-800);--modal-border:1px solid var(--color-cream-200);--modal-radius:var(--radius-md);--modal-padding:var(--space-6);--modal-shadow:var(--shadow-lg);--modal-backdrop:var(--bg-overlay);--modal-max-width:480px;--tooltip-bg:var(--color-charcoal-800);--tooltip-fg:var(--color-cream-50);--tooltip-radius:var(--radius-sm);--tooltip-padding:var(--space-2) var(--space-3);--tooltip-font-size:var(--font-size-xs);--toast-bg:var(--color-cream-100);--toast-fg:var(--color-charcoal-800);--toast-border:1px solid var(--color-cream-200);--toast-radius:var(--radius-sm);--toast-padding:var(--space-4);--toast-shadow:var(--shadow-md);--empty-state-fg:var(--color-charcoal-600);--empty-state-fg-muted:var(--color-charcoal-400);--empty-state-icon-size:48px;--empty-state-icon-fg:var(--color-charcoal-300);--divider-color:var(--color-cream-200);--divider-color-strong:var(--color-charcoal-200);--divider-thickness:1px;--focus-ring:var(--focus-ring-width) solid var(--focus-ring-color);--focus-ring-offset-rule:2px}@media (prefers-color-scheme:dark){:root:not(.light){color-scheme:dark;--bg-app:var(--color-navy-900);--bg-surface:var(--color-navy-800);--bg-surface-raised:var(--color-navy-700);--bg-overlay:rgb(0 0 0/0.60);--bg-inverse:var(--color-cream-50);--text-primary:var(--color-cream-50);--text-secondary:var(--color-cream-200);--text-muted:var(--color-cream-300);--text-inverse:var(--color-navy-900);--text-on-accent:var(--color-navy-900);--text-link:var(--color-brass-400);--text-link-hover:var(--color-brass-300);--border-hairline:1px solid var(--color-navy-700);--border-default:1px solid var(--color-navy-700);--border-strong:1px solid var(--color-navy-500);--border-on-cream:1px solid var(--color-navy-700);--border-inverse:1px solid var(--color-cream-200);--color-brand:var(--color-cream-50);--color-brand-emphasis:var(--color-cream-200);--color-accent:var(--color-brass-400);--color-accent-hover:var(--color-brass-300);--color-accent-bg:rgba(176 141 87/0.12);--color-accent-fg:var(--color-cream-50);--color-mode-sovereign:var(--color-brass-400);--color-mode-sovereign-bg:var(--color-brass-400);--color-mode-sovereign-fg:var(--color-navy-900);--color-mode-advanced:var(--color-cream-200);--color-mode-advanced-bg:transparent;--color-mode-advanced-fg:var(--color-cream-200);--color-mode-advanced-border:var(--color-navy-500);--color-flag:var(--color-flag-400);--color-flag-bg:rgba(179 111 85/0.10);--color-flag-border:var(--color-flag-400);--color-success:var(--color-success-300);--color-success-bg:rgba(136 168 142/0.10);--color-success-border:var(--color-success-300);--color-warning:var(--color-warning-300);--color-warning-bg:rgba(191 162 104/0.10);--color-warning-border:var(--color-warning-300);--color-error:var(--color-error-300);--color-error-bg:rgba(184 106 106/0.10);--color-error-border:var(--color-error-300);--focus-ring-color:var(--color-brass-400)}}.dark{color-scheme:dark;--bg-app:var(--color-navy-900);--bg-surface:var(--color-navy-800);--bg-surface-raised:var(--color-navy-700);--bg-overlay:rgb(0 0 0/0.60);--bg-inverse:var(--color-cream-50);--text-primary:var(--color-cream-50);--text-secondary:var(--color-cream-200);--text-muted:var(--color-cream-300);--text-inverse:var(--color-navy-900);--text-on-accent:var(--color-navy-900);--text-link:var(--color-brass-400);--text-link-hover:var(--color-brass-300);--border-hairline:1px solid var(--color-navy-700);--border-default:1px solid var(--color-navy-700);--border-strong:1px solid var(--color-navy-500);--border-on-cream:1px solid var(--color-navy-700);--border-inverse:1px solid var(--color-cream-200);--color-brand:var(--color-cream-50);--color-brand-emphasis:var(--color-cream-200);--color-accent:var(--color-brass-400);--color-accent-hover:var(--color-brass-300);--color-accent-bg:rgba(176 141 87/0.12);--color-accent-fg:var(--color-cream-50);--color-mode-sovereign:var(--color-brass-400);--color-mode-sovereign-bg:var(--color-brass-400);--color-mode-sovereign-fg:var(--color-navy-900);--color-mode-advanced:var(--color-cream-200);--color-mode-advanced-bg:transparent;--color-mode-advanced-fg:var(--color-cream-200);--color-mode-advanced-border:var(--color-navy-500);--color-flag:var(--color-flag-400);--color-flag-bg:rgba(179 111 85/0.10);--color-flag-border:var(--color-flag-400);--color-success:var(--color-success-300);--color-success-bg:rgba(136 168 142/0.10);--color-success-border:var(--color-success-300);--color-warning:var(--color-warning-300);--color-warning-bg:rgba(191 162 104/0.10);--color-warning-border:var(--color-warning-300);--color-error:var(--color-error-300);--color-error-bg:rgba(184 106 106/0.10);--color-error-border:var(--color-error-300);--focus-ring-color:var(--color-brass-400);--button-bg:var(--color-navy-700);--button-bg-hover:var(--color-navy-500);--button-bg-active:var(--color-navy-300);--button-secondary-bg:var(--color-navy-800);--button-secondary-fg:var(--color-cream-50);--button-secondary-border:var(--color-navy-700);--button-secondary-hover:var(--color-navy-700);--input-bg:var(--color-navy-900);--input-fg:var(--color-cream-50);--input-border:var(--color-navy-500);--input-border-hover:var(--color-navy-300);--card-bg:var(--color-navy-800);--card-fg:var(--color-cream-50);--card-border:1px solid var(--color-navy-700);--table-header-bg:var(--color-navy-800);--table-row-bg:var(--color-navy-900);--table-row-bg-hover:var(--color-navy-800);--sidebar-bg:var(--color-navy-900);--sidebar-item-bg-hover:var(--color-navy-800);--sidebar-item-bg-active:var(--color-navy-700);--sidebar-border-right:1px solid var(--color-navy-700);--mode-toggle-bg:var(--color-navy-800);--mode-toggle-border:1px solid var(--color-navy-500);--mode-toggle-fg:var(--color-cream-300);--mode-toggle-sovereign-bg:var(--color-brass-400);--mode-toggle-sovereign-fg:var(--color-navy-900);--mode-toggle-advanced-bg:var(--color-cream-200);--mode-toggle-advanced-fg:var(--color-navy-900);--chat-bubble-user-bg:var(--color-navy-800);--chat-bubble-user-fg:var(--color-cream-50);--chat-bubble-user-border:1px solid var(--color-navy-500);--chat-bubble-assistant-bg:var(--color-navy-900);--chat-bubble-assistant-fg:var(--color-cream-50);--chat-bubble-assistant-border:1px solid var(--color-navy-700);--modal-bg:var(--color-navy-800);--modal-border:1px solid var(--color-navy-700);--toast-bg:var(--color-navy-800);--toast-border:1px solid var(--color-navy-700);--toast-fg:var(--color-cream-50);--empty-state-fg:var(--color-cream-200);--empty-state-fg-muted:var(--color-cream-300);--empty-state-icon-fg:var(--color-navy-500);--divider-color:var(--color-navy-700);--divider-color-strong:var(--color-navy-500)}:root{--font-heading-stack:var(--next-font-fraunces),"Fraunces",Georgia,serif;--font-body-stack:var(--next-font-inter),"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono-stack:var(--next-font-plex-mono),"IBM Plex Mono",Menlo,monospace;--text-display:var(--font-size-4xl);--text-display-leading:var(--leading-tight);--text-h1:var(--font-size-3xl);--text-h1-leading:var(--leading-snug);--text-h2:var(--font-size-2xl);--text-h2-leading:var(--leading-snug);--text-h3:var(--font-size-lg);--text-h3-leading:var(--leading-normal);--text-h4:var(--font-size-md);--text-h4-leading:var(--leading-normal);--text-body:var(--font-size-base);--text-body-leading:var(--leading-relaxed);--text-body-sm:var(--font-size-sm);--text-body-sm-leading:var(--leading-normal);--text-caption:var(--font-size-xs);--text-caption-leading:var(--leading-normal);--text-mono-sm:var(--font-size-xs);--text-mono-body:var(--font-size-sm)}.app-shell{display:grid;grid-template-columns:280px minmax(0,1fr);grid-template-rows:56px minmax(0,1fr);height:100vh;height:100dvh;overflow:hidden}.app-shell,.app-topbar{position:relative;background:var(--bg-app)}.app-topbar{grid-column:1/-1;justify-content:space-between;padding:0 24px;border-bottom:1px solid var(--color-cream-200);z-index:65}.app-topbar,.brand-mark{display:flex;align-items:center}.brand-mark{gap:10px;font-family:var(--font-heading-stack);font-size:1rem;font-weight:500;letter-spacing:-.01em;color:var(--color-navy-900)}.brand-glyph{width:20px;height:22px;display:inline-block}.brand-glyph text{font-family:var(--font-heading-stack)}.topbar-center{gap:12px}.topbar-center,.topbar-right{display:flex;align-items:center}.topbar-right{gap:16px}.topbar-left{display:flex;min-width:0}.nav-trigger,.topbar-left{align-items:center;gap:8px}.nav-trigger{display:none;min-width:44px;min-height:44px;padding:0 8px;background:transparent;border:none;border-radius:2px;color:var(--text-primary);cursor:pointer}.nav-trigger svg{width:18px;height:18px;flex-shrink:0}.nav-trigger-label{display:none;min-width:0;font-size:.8125rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-scrim{display:none}.app-main{grid-column:2;grid-row:2;min-width:0;min-height:0;overflow:hidden;display:flex;flex-direction:column}.app-main>.app-content,.app-main>.chat-pane{flex:1;min-height:0}.user-menu-wrap{position:relative}.account-menu{position:absolute;top:calc(100% + 4px);right:0;min-width:220px;padding:8px;z-index:50}.account-menu-id{padding:8px 12px}.account-menu-rule{border:none;border-top:var(--border-on-cream);margin:4px 0}.account-menu-dest{display:none}.account-menu-eyebrow{padding:6px 12px 4px}.account-menu-item{display:flex;align-items:center;gap:10px;min-height:44px;padding:0 12px;border-radius:2px;font-size:.875rem;color:var(--text-primary);text-decoration:none}.account-menu-item 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