:root{--primary:#F95700;--primary-hover:#E04F00;--primary-focus:rgba(249, 87, 0, 0.25);--secondary:#2563EB;--bg:#FFFFFF;--bg-card:#F7F7F7;--bg-elevated:#EEEEEE;--border:#E5E5E5;--text-primary:#222222;--text-secondary:#525252;--text-muted:#737373;--shadow:0 1px 3px rgba(0, 0, 0, 0.08);--shadow-hover:0 8px 24px rgba(0, 0, 0, 0.12);--nav-bg:rgba(255, 255, 255, 0.95);--nav-bg-scroll:rgba(255, 255, 255, 0.98);--font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--radius-card:12px;--radius-btn:8px;--section-gap:32px;--transition:200ms ease}[data-theme=dark]{--bg:#111111;--bg-card:#1F1F1F;--bg-elevated:#2A2A2A;--border:#2A2A2A;--text-primary:#FFFFFF;--text-secondary:#A1A1AA;--text-muted:#71717A;--shadow:0 1px 3px rgba(0, 0, 0, 0.3);--shadow-hover:0 8px 24px rgba(0, 0, 0, 0.4);--nav-bg:rgba(17, 17, 17, 0.95);--nav-bg-scroll:rgba(17, 17, 17, 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6px rgba(245,158,11,.4)}.pregnancy-scale-ticks{display:flex;justify-content:space-between;font-size:.7rem;color:var(--text-muted);margin-top:.5rem;padding:0 2px}.pregnancy-scale-ticks span:nth-child(2),.pregnancy-scale-ticks span:nth-child(3){color:var(--text-secondary);font-weight:600}.cd-input-wrap{display:flex;align-items:center;gap:.5rem}.cd-input-wrap input{flex:1}.cd-input-wrap span{font-size:.875rem;color:var(--text-muted);flex-shrink:0}.cd-mode-btns{display:flex;flex-wrap:wrap;gap:.5rem}.cd-mode-btn{padding:.5rem .875rem;font-size:.875rem;border:1px solid var(--border);border-radius:var(--radius-btn);background:var(--bg-elevated);color:var(--text-secondary);cursor:pointer;transition:border-color var(--transition),color 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