:root{--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--text-xs:0.72rem;--text-sm:0.85rem;--text-base:0.95rem;--text-lg:1.1rem;--text-xl:1.3rem;--text-2xl:1.6rem;--text-3xl:2rem;--weight-normal:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--font-body:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--font-heading:"Sora","Inter",sans-serif;--font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;--radius-sm:4px;--radius-md:6px;--radius-lg:10px;--radius-xl:14px;--radius-pill:999px;--border-light:1px solid var(--theme-border,#e5e7eb);--border-normal:1px solid #d1d5db;--border-strong:1px solid #9ca3af;--border-focus:2px solid #1d3095;--color-text-primary:#0f1419;--color-text-secondary:#4b5563;--color-text-tertiary:#6b7280;--color-text-muted:#9ca3af;--color-text-on-dark:#fff;--color-text-on-brand:#fff;--color-bg-app:#f9fafb;--color-bg-card:#fff;--color-bg-input:#fff;--color-bg-subtle:#f3f4f6;--color-bg-hover:#f0f4ff;--color-border:var(--theme-border,#e5e7eb);--color-border-strong:#d1d5db;--color-surface:#fff;--color-surface-subtle:#f9fafb;--color-brand-red:#bd1218;--color-brand-red-d:#9a0f14;--color-brand-navy:#1d3095;--color-brand-navy-d:#152050;--color-brand-gold:#fcd34d;--color-brand-gold-d:#eba614;--color-success:#10b981;--color-success-bg:#ecfdf5;--color-warning:#f59e0b;--color-warning-bg:#fffbeb;--color-error:#ef4444;--color-error-bg:#fef2f2;--color-success-border:#a7f3d0;--color-warning-border:#fde68a;--color-error-border:#fecaca;--color-info-border:#bfdbfe;--color-info:#3b82f6;--color-info-bg:#eff6ff;--color-success-text:#027a48;--color-success-surface:#ecfdf3;--color-warning-text:#b54708;--color-warning-surface:#fffaeb;--color-error-text:#b42318;--color-error-surface:#fef3f2;--color-info-text:#175cd3;--color-info-surface:#eff8ff;--color-doc-ink:#31405f;--color-doc-body:#4a5470;--color-doc-body-alt:#475467;--color-doc-line:#e4e7ee;--color-doc-line-alt:#e4e7ec;--color-doc-line-strong:#c9cfe0;--color-doc-surface:#f8f9fd;--color-phase-research:#0d9488;--color-phase-field-work:#d97706;--color-phase-drawing-deliverables:#7c3aed;--input-height:40px;--button-height:40px;--button-height-sm:32px;--button-height-lg:48px;--input-padding-y:8px;--input-padding-x:12px;--button-padding-y:8px;--button-padding-x:16px;--button-padding-x-sm:12px;--button-padding-x-lg:24px;--shadow-sm:0 1px 2px rgba(0,0,0,.04);--shadow-md:0 2px 8px rgba(0,0,0,.08);--shadow-lg:0 4px 16px rgba(0,0,0,.12);--shadow-xl:0 8px 24px rgba(0,0,0,.16);--shadow-focus:0 0 0 3px rgba(29,48,149,.15);--z-base:1;--z-rail:40;--z-sidebar:50;--z-fab:90;--z-topbar:100;--z-modal:200;--z-toast:300;--transition-fast:0.15s ease;--transition-base:0.25s ease;--transition-slow:0.4s ease;--bp-mobile:599px;--bp-tablet:1023px;--bp-desktop:1440px}