@import"https://fonts.googleapis.com/css2?family=Fraunces:wght@600;700&family=Manrope:wght@400;500;600;700&display=swap";.toast-container{position:fixed;bottom:var(--space-6);right:var(--space-6);z-index:9999;display:flex;flex-direction:column;gap:var(--space-3);pointer-events:none}.toast{position:relative;min-width:320px;max-width:480px;padding:var(--space-4) var(--space-5);background:var(--bg-secondary);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);display:flex;align-items:center;gap:var(--space-3);pointer-events:all;animation:toastSlideIn .3s cubic-bezier(.4,0,.2,1);border-left:4px solid}@keyframes toastSlideIn{0%{transform:translate(400px);opacity:0}to{transform:translate(0);opacity:1}}.toast-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:var(--text-lg);font-weight:700;flex-shrink:0;border-radius:var(--radius-full);padding:var(--space-1)}.toast-message{flex:1;font-size:var(--text-sm);font-weight:500;color:var(--text-primary);line-height:1.5}.toast-close{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-tertiary);font-size:var(--text-2xl);font-weight:300;cursor:pointer;border-radius:var(--radius-md);transition:all var(--transition-base);flex-shrink:0}.toast-close:hover{background:var(--bg-tertiary);color:var(--text-secondary)}.toast-progress{position:absolute;bottom:0;left:0;height:3px;background:currentColor;border-bottom-left-radius:var(--radius-lg);border-bottom-right-radius:var(--radius-lg);animation:toastProgress linear forwards;opacity:.6}@keyframes toastProgress{0%{width:100%}to{width:0%}}.toast-success{border-left-color:var(--success)}.toast-success .toast-icon{background:var(--success-light);color:var(--success-dark)}.toast-success .toast-progress{color:var(--success)}.toast-error{border-left-color:var(--error)}.toast-error .toast-icon{background:var(--error-light);color:var(--error-dark)}.toast-error .toast-progress{color:var(--error)}.toast-info{border-left-color:var(--info)}.toast-info .toast-icon{background:var(--info-light);color:var(--info-dark)}.toast-info .toast-progress{color:var(--info)}.toast-warning{border-left-color:var(--warning)}.toast-warning .toast-icon{background:var(--warning-light);color:var(--warning-dark)}.toast-warning .toast-progress{color:var(--warning)}@media(max-width:640px){.toast-container{left:var(--space-4);right:var(--space-4);bottom:var(--space-4)}.toast{min-width:unset;width:100%}}.error-boundary-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-8, 2rem);background-color:var(--gray-50, #f8fafc)}[data-theme=dark] .error-boundary-container{background-color:var(--gray-900, #151c26)}.error-boundary-card{max-width:32rem;background-color:var(--card-bg, white);border-radius:var(--radius-lg, .75rem);padding:var(--space-8, 2rem);box-shadow:var(--shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, .1));text-align:center}[data-theme=dark] .error-boundary-card{background-color:var(--gray-800, #232c38)}.error-boundary-icon{width:4rem;height:4rem;margin:0 auto 1.5rem;border-radius:50%;background-color:var(--error-light, #fde8e8);display:flex;align-items:center;justify-content:center}[data-theme=dark] .error-boundary-icon{background-color:#c92a2a33}.error-boundary-title{font-size:var(--text-2xl, 1.5rem);font-weight:700;color:var(--gray-900, #151c26);margin-bottom:var(--space-2, .5rem)}[data-theme=dark] .error-boundary-title{color:var(--gray-100, #eef2f6)}.error-boundary-message{color:var(--gray-600, #4c5868);margin-bottom:var(--space-6, 1.5rem);line-height:1.5}[data-theme=dark] .error-boundary-message{color:var(--gray-400, #97a4b5)}.error-boundary-details{margin-bottom:var(--space-6, 1.5rem);padding:var(--space-4, 1rem);background-color:var(--gray-100, #eef2f6);border-radius:var(--radius-sm, .375rem);text-align:left}[data-theme=dark] .error-boundary-details{background-color:var(--gray-700, #354151)}.error-boundary-summary{cursor:pointer;font-weight:600;color:var(--gray-700, #354151);font-size:var(--text-sm, .875rem)}[data-theme=dark] .error-boundary-summary{color:var(--gray-300, #c0ccd9)}.error-boundary-stack{margin-top:var(--space-3, .75rem);font-size:var(--text-xs, .75rem);color:var(--error, #c92a2a);overflow:auto;max-height:10rem;font-family:var(--font-mono, ui-monospace, monospace);white-space:pre-wrap;word-break:break-word}[data-theme=dark] .error-boundary-stack{color:#ff6b6b}.error-boundary-button{background-color:var(--primary-500, #003366);color:#fff;padding:var(--space-3, .75rem) var(--space-6, 1.5rem);border-radius:var(--radius-md, .5rem);border:none;font-size:var(--text-base, 1rem);font-weight:600;cursor:pointer;transition:background-color .2s;min-height:44px;min-width:44px}.error-boundary-button:hover{background-color:var(--primary-600, #002a54)}.error-boundary-button:focus-visible{outline:2px solid var(--primary-400, #5f8ec2);outline-offset:2px}[data-theme=dark] .error-boundary-button{background-color:var(--primary-400, #5f8ec2)}[data-theme=dark] .error-boundary-button:hover{background-color:var(--primary-300, #8caed6)}@media(prefers-reduced-motion:reduce){.error-boundary-button{transition:none}}.landing-hero{padding:4rem 1.5rem 5rem;background:var(--bg-primary);position:relative;overflow:hidden}.landing-hero:before{content:"";position:absolute;top:0;left:0;right:0;height:100%;background:radial-gradient(ellipse 80% 50% at 20% 40%,rgba(0,51,102,.05),transparent),radial-gradient(ellipse 60% 40% at 80% 60%,rgba(204,0,0,.03),transparent);pointer-events:none}[data-theme=dark] .landing-hero:before{background:radial-gradient(ellipse 80% 50% at 20% 40%,rgba(0,51,102,.15),transparent),radial-gradient(ellipse 60% 40% at 80% 60%,rgba(204,0,0,.08),transparent)}.landing-hero__container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:2.5rem;position:relative;z-index:1}.hero-content{display:flex;flex-direction:column;gap:1.25rem}.hero-badge{display:inline-flex;align-items:center;gap:.375rem;width:fit-content;font-size:.6875rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--primary-600);background:linear-gradient(135deg,#0033660f,#0033661a);padding:.4375rem .875rem;border-radius:var(--radius-full);border:1px solid rgba(0,51,102,.15)}[data-theme=dark] .hero-badge{color:var(--primary-300);background:linear-gradient(135deg,#0363,#0033664d);border-color:#0366}.landing-hero h1{font-family:var(--font-display);font-size:clamp(1.875rem,5vw,3rem);font-weight:700;line-height:1.1;letter-spacing:-.025em;color:var(--text-primary);margin:0}.hero-subtitle{font-size:clamp(1rem,1.25vw,1.125rem);line-height:1.6;color:var(--text-secondary);max-width:32rem;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;padding-top:.5rem}.hero-cta{display:inline-flex;align-items:center;gap:.5rem;padding:.875rem 1.75rem;font-size:1rem;font-weight:600;color:#fff;background:var(--primary-500);border:none;border-radius:var(--radius-lg);cursor:pointer;box-shadow:0 2px 8px #00336626;transition:background-color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.hero-cta:hover{background:var(--primary-600);transform:translateY(-2px);box-shadow:0 6px 20px #00336640}.hero-cta:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px}.hero-cta:active{transform:translateY(0);box-shadow:0 2px 8px #00336626}.hero-features{display:flex;flex-wrap:wrap;gap:1rem;padding-top:.5rem}.hero-feature{display:inline-flex;align-items:center;gap:.375rem;font-size:var(--text-sm);font-weight:500;color:var(--text-tertiary)}.hero-feature svg{color:var(--text-tertiary);opacity:.7}.hero-example{display:flex;justify-content:center}.example-card{width:100%;max-width:22rem;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:1.5rem;display:flex;flex-direction:column;gap:1.25rem;box-shadow:0 1px 3px #0000000a,0 6px 16px #0000000f,0 20px 40px #0000000f;position:relative}[data-theme=dark] .example-card{background:var(--bg-secondary);box-shadow:0 1px 3px #0003,0 6px 16px #0003,0 20px 40px #00000026}.example-header{display:flex;flex-direction:column;gap:.625rem}.example-title-row{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.example-eyebrow{font-size:.625rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--primary-600)}[data-theme=dark] .example-eyebrow{color:var(--primary-400)}.example-live-badge{display:inline-flex;align-items:center;gap:.375rem;font-size:.625rem;font-weight:600;color:var(--success-600);background:#10b98114;padding:.25rem .5rem;border-radius:var(--radius-full);border:1px solid rgba(16,185,129,.15)}[data-theme=dark] .example-live-badge{color:var(--success-400);background:#10b98126;border-color:#10b98140}.live-dot{width:6px;height:6px;background:var(--success-500);border-radius:50%;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.9)}}.example-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin:0}.example-tabs{display:flex;gap:.5rem}.example-tab{flex:1;padding:.5rem .875rem;font-size:var(--text-sm);font-weight:600;color:var(--text-secondary);background:var(--bg-tertiary);border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.example-tab:hover{color:var(--text-primary);background:var(--bg-tertiary);border-color:var(--border-color)}.example-tab--active{color:var(--primary-600);background:#00336614;border-color:#0363}[data-theme=dark] .example-tab--active{color:var(--primary-300);background:#00336640;border-color:#0366}.example-tab--active:hover{background:#0033661f}[data-theme=dark] .example-tab--active:hover{background:#0033664d}.example-tab:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px}.example-breakdown{display:flex;flex-direction:column;gap:0;background:var(--bg-secondary);border-radius:var(--radius-md);padding:.25rem}[data-theme=dark] .example-breakdown{background:var(--bg-tertiary)}.breakdown-row{display:flex;justify-content:space-between;align-items:center;padding:.625rem .75rem;border-radius:var(--radius-sm)}.breakdown-label{display:flex;align-items:center;gap:.375rem;font-size:var(--text-sm);color:var(--text-secondary)}.breakdown-value{font-family:var(--font-mono);font-size:.9375rem;font-weight:600;color:var(--text-primary);font-variant-numeric:tabular-nums}.breakdown-row--income{background:#0033660a}[data-theme=dark] .breakdown-row--income{background:#0033661f}.breakdown-row--income .breakdown-value{color:var(--primary-600)}[data-theme=dark] .breakdown-row--income .breakdown-value{color:var(--primary-400)}.breakdown-divider{height:1px;background:var(--border-light);margin:.25rem .75rem}.deduction-icon{display:inline-flex;align-items:center;justify-content:center;width:1rem;height:1rem;font-size:.75rem;font-weight:700;color:var(--danger-500);background:#ef444414;border-radius:var(--radius-sm)}[data-theme=dark] .deduction-icon{background:#ef444426}.breakdown-row--deduction .breakdown-value{color:var(--danger-500)}.breakdown-row--total{margin-top:.25rem;background:#10b9810f;border:1px solid rgba(16,185,129,.12)}[data-theme=dark] .breakdown-row--total{background:#10b9811a;border-color:#10b98133}.breakdown-row--total .breakdown-label{font-weight:600;color:var(--text-primary)}.breakdown-row--total .breakdown-value{font-size:1.125rem;font-weight:700;color:var(--success-600)}[data-theme=dark] .breakdown-row--total .breakdown-value{color:var(--success-400)}.example-footer{padding-top:.5rem}.example-cta{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.75rem 1rem;font-size:var(--text-sm);font-weight:600;color:#fff;background:var(--primary-500);border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.example-cta:hover{background:var(--primary-600);transform:translateY(-1px);box-shadow:0 4px 12px #0363}.example-cta:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px}.example-cta:active{transform:translateY(0)}@media(min-width:640px){.landing-hero{padding:4.5rem 1.5rem 5rem}.hero-content{gap:1.5rem}}@media(min-width:768px){.landing-hero{padding:5rem 2rem 6rem}.landing-hero__container{grid-template-columns:1fr 1fr;gap:3rem;align-items:center}.example-card{padding:1.75rem}.hero-features{gap:1.5rem}}@media(min-width:1024px){.landing-hero{padding:6rem 2rem 7rem}.landing-hero__container{grid-template-columns:1.15fr 1fr;gap:4rem}.landing-hero h1{font-size:3.25rem}.hero-subtitle{font-size:1.125rem}}@media(min-width:1280px){.landing-hero__container{gap:5rem}}@media(prefers-reduced-motion:reduce){.hero-cta,.example-tab{transition:none}}.site-header{position:sticky;top:0;z-index:100;background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background-color var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast)}.site-header--scrolled{background:#fffffff2;border-bottom-color:var(--border-color);box-shadow:0 1px 3px #0000000a}[data-theme=dark] .site-header{background:#0c0a09d9}[data-theme=dark] .site-header--scrolled{background:#0c0a09f2;border-bottom-color:var(--border-color)}.site-header__container{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:.875rem 1.5rem;gap:2rem}.site-header__logo{display:flex;align-items:center;gap:.625rem;text-decoration:none;color:var(--text-primary);flex-shrink:0}.logo-flag{width:1.75rem;height:1.75rem;border-radius:.375rem;object-fit:cover}.logo-text{font-family:var(--font-display);font-size:1.125rem;font-weight:700;letter-spacing:-.02em}.site-header__nav{display:flex;align-items:center;gap:.25rem}.nav-link{padding:.5rem .875rem;font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:color var(--transition-fast),background-color var(--transition-fast)}.nav-link:hover{color:var(--text-primary);background:var(--bg-tertiary)}.nav-link:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px}.site-header__actions{display:flex;align-items:center;gap:.75rem}.header-cta{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:var(--text-sm);font-weight:600;color:#fff;background:var(--primary-500);border:none;border-radius:var(--radius-full);cursor:pointer;transition:background-color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.header-cta:hover{background:var(--primary-600);transform:translateY(-1px);box-shadow:0 4px 12px #0363}.header-cta:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px}.header-cta:active{transform:translateY(0)}.site-header .theme-toggle{width:2.25rem;height:2.25rem;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.site-header .theme-toggle:hover{background:var(--bg-tertiary);border-color:var(--border-color-strong);color:var(--text-primary)}.site-header .theme-toggle svg{width:1rem;height:1rem}.site-header__mobile{display:none;align-items:center;gap:.5rem}.mobile-menu-btn{display:inline-flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);cursor:pointer;transition:background-color var(--transition-fast)}.mobile-menu-btn:hover{background:var(--bg-tertiary)}.mobile-menu{display:none;flex-direction:column;gap:1rem;padding:1rem 1.5rem 1.5rem;background:var(--bg-secondary);border-top:1px solid var(--border-color)}.mobile-menu__nav{display:flex;flex-direction:column;gap:.25rem}.mobile-nav-link{display:block;padding:.75rem 1rem;font-size:var(--text-base);font-weight:500;color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:color var(--transition-fast),background-color var(--transition-fast)}.mobile-nav-link:hover{color:var(--text-primary);background:var(--bg-tertiary)}.mobile-menu__cta{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.875rem 1.5rem;font-size:var(--text-base);font-weight:600;color:#fff;background:var(--primary-500);border:none;border-radius:var(--radius-lg);cursor:pointer;margin-top:.5rem}.mobile-menu__cta:hover{background:var(--primary-600)}@media(max-width:768px){.site-header__container{padding:.75rem 1rem}.site-header__nav,.site-header__actions{display:none}.site-header__mobile,.mobile-menu{display:flex}.logo-text{font-size:1rem}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){.site-header,.nav-link,.header-cta,.mobile-menu-btn{transition:none}}.ad-unit{width:100%;margin:1.5rem 0;display:flex;justify-content:center;align-items:center;min-height:90px;overflow:hidden}.ad-unit .adsbygoogle{width:100%}.ad-unit--horizontal{min-height:90px}.ad-unit--rectangle{min-height:250px}.ad-unit--vertical{min-height:600px}.ad-unit--auto{min-height:100px}.ad-unit--placeholder{background:var(--bg-tertiary);border:2px dashed var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;min-height:100px}.ad-unit__placeholder-content{display:flex;flex-direction:column;align-items:center;gap:.5rem;text-align:center}.ad-unit__placeholder-label{font-size:var(--text-sm);font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em}.ad-unit__placeholder-info{font-size:var(--text-xs);color:var(--text-tertiary);opacity:.7}.results-ad-container{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-light)}.page-ad-container{max-width:1200px;margin:3rem auto;padding:0 1.5rem}@media(max-width:768px){.ad-unit{margin:1rem 0}.ad-unit--placeholder{min-height:80px;padding:1rem}.page-ad-container{margin:2rem auto;padding:0 1rem}}@media(prefers-reduced-motion:reduce){.ad-unit{transition:none}}html{scroll-behavior:smooth;scroll-padding-top:80px;overflow-x:hidden;max-width:100vw}@media(max-width:768px){html{scroll-padding-top:70px;scroll-padding-bottom:20px}}:root{--primary-50: #f0f5ff;--primary-100: #e0ebff;--primary-200: #c2d6ff;--primary-300: #94b8ff;--primary-400: #5c8fd9;--primary-500: #003366;--primary-600: #002952;--primary-700: #001f3f;--primary-800: #00152b;--primary-900: #000d1a;--accent-400: #ff5c5c;--accent-500: #cc0000;--accent-600: #990000;--gray-50: #fafaf9;--gray-100: #f5f5f4;--gray-200: #e7e5e4;--gray-300: #d6d3d1;--gray-400: #a8a29e;--gray-500: #78716c;--gray-600: #57534e;--gray-700: #44403c;--gray-800: #292524;--gray-900: #1c1917;--success: #059669;--success-light: #ecfdf5;--success-dark: #047857;--error: #dc2626;--error-light: #fef2f2;--error-dark: #b91c1c;--warning: #d97706;--warning-light: #fffbeb;--warning-dark: #b45309;--info: #0284c7;--info-light: #f0f9ff;--info-dark: #0369a1;--font-sans: "Manrope", "Segoe UI", system-ui, sans-serif;--font-display: "Fraunces", "Manrope", serif;--font-mono: "SF Mono", "Fira Code", "Consolas", monospace;--text-xs: .75rem;--text-sm: .8125rem;--text-base: .9375rem;--text-lg: 1.0625rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--text-4xl: 2.5rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-8: 2.5rem;--space-10: 3rem;--space-12: 4rem;--space-16: 5rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.25rem;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .03);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .04), 0 1px 2px -1px rgba(0, 0, 0, .03);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -2px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .06), 0 4px 6px -4px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 8px 10px -6px rgba(0, 0, 0, .04);--shadow-glow: 0 0 0 1px rgba(0, 51, 102, .15), 0 4px 16px rgba(0, 51, 102, .12);--card-bg: #ffffff;--card-border: rgba(0, 0, 0, .06);--card-radius: var(--radius-xl);--card-padding: var(--space-6);--card-shadow: var(--shadow-sm);--card-hover-shadow: var(--shadow-md);--section-gap: clamp(3rem, 8vw, 5rem);--transition-fast: .12s cubic-bezier(.2, 0, 0, 1);--transition-base: .18s cubic-bezier(.2, 0, 0, 1);--transition-slow: .28s cubic-bezier(.2, 0, 0, 1);--bg-primary: #fafaf9;--bg-secondary: #ffffff;--bg-tertiary: #f5f5f4;--bg-elevated: #ffffff;--text-primary: #1c1917;--text-secondary: #44403c;--text-tertiary: #78716c;--text-muted: #a8a29e;--border-color: rgba(0, 0, 0, .08);--border-color-strong: rgba(0, 0, 0, .15);--border-light: rgba(0, 0, 0, .04);--focus-ring: 0 0 0 2px var(--bg-secondary), 0 0 0 4px var(--primary-500)}.section-loading,.calculator-loading{display:flex;align-items:center;justify-content:center;border-radius:var(--radius-lg);color:var(--text-secondary);background:var(--bg-secondary);border:1px dashed var(--border-color);gap:.5rem}.section-loading{min-height:220px;font-size:var(--text-base)}.calculator-loading{min-height:520px;font-size:var(--text-lg);padding:2rem}[data-theme=dark]{--bg-primary: #0c0a09;--bg-secondary: #1c1917;--bg-tertiary: #292524;--bg-elevated: #292524;--text-primary: #fafaf9;--text-secondary: #d6d3d1;--text-tertiary: #a8a29e;--text-muted: #78716c;--border-color: rgba(255, 255, 255, .08);--border-color-strong: rgba(255, 255, 255, .15);--border-light: rgba(255, 255, 255, .04);--shadow-xs: 0 1px 2px rgba(0, 0, 0, .4);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .5), 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 8px rgba(0, 0, 0, .4), 0 2px 4px rgba(0, 0, 0, .3);--shadow-lg: 0 12px 24px rgba(0, 0, 0, .5), 0 4px 8px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .6);--shadow-glow: 0 0 0 1px rgba(0, 51, 102, .25), 0 4px 20px rgba(0, 51, 102, .2);--card-bg: #1c1917;--card-border: rgba(255, 255, 255, .08);--card-shadow: 0 2px 8px rgba(0, 0, 0, .4);--card-hover-shadow: 0 4px 16px rgba(0, 0, 0, .5);--gray-50: #1c1917;--gray-100: #292524;--gray-200: #44403c;--gray-300: #57534e;--gray-400: #78716c;--gray-500: #a8a29e;--gray-600: #d6d3d1;--gray-700: #e7e5e4;--gray-800: #f5f5f4;--gray-900: #fafaf9;--success: #10b981;--success-light: rgba(16, 185, 129, .15);--success-dark: #34d399;--error: #f87171;--error-light: rgba(248, 113, 113, .15);--error-dark: #fca5a5;--warning: #fbbf24;--warning-light: rgba(251, 191, 36, .15);--warning-dark: #fcd34d;--info: #38bdf8;--info-light: rgba(56, 189, 248, .15);--info-dark: #7dd3fc}[data-theme=dark] .input-group-card{background:var(--bg-secondary);border-color:var(--border-color-strong)}[data-theme=dark] .input-group-card.has-content{background:var(--bg-secondary);border-color:var(--primary-400)}[data-theme=dark] .input-group-header{border-bottom-color:var(--border-color)}[data-theme=dark] .section-help{color:var(--text-secondary)}[data-theme=dark] .deduction-help,[data-theme=dark] .deduction-limit{color:var(--text-tertiary)}[data-theme=dark] .checkbox-label,[data-theme=dark] .checkbox-item label,[data-theme=dark] .validation-message,[data-theme=dark] .feedback-message{color:var(--text-primary)}[data-theme=dark] .help-text,[data-theme=dark] .input-prefix,[data-theme=dark] .input-help{color:var(--text-secondary)}[data-theme=dark] .section-label,[data-theme=dark] .input-group-title{color:var(--text-primary)}[data-theme=dark] .conversion-hint{background:var(--info-light);color:var(--info-dark)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.celebration-animation,.slideDown,.wave,.focus-ring,.refreshing,.loading-spinner{animation:none!important}}.app{min-height:100vh;background:var(--bg-primary);color:var(--text-primary)}main{display:flex;flex-direction:column;gap:0}.calculator-section{padding:clamp(3rem,6vw,5rem) 1.5rem;background:transparent}.calculator-section__header{max-width:720px;margin:0 auto 2rem;text-align:center;display:flex;flex-direction:column;gap:1rem}.section-kicker{font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;font-weight:600;color:var(--accent-500)}.calculator-section__header h2{font-size:clamp(1.9rem,2.8vw,2.4rem)}.calculator-section__header p{font-size:1rem;color:var(--text-secondary)}.calculator-section__body{max-width:min(100%,1400px);margin:0 auto}.calculator-section--no-header{padding-top:clamp(1.5rem,3vw,2.5rem)}@media(max-width:768px){.calculator-section{padding:2.75rem 0}.calculator-section--no-header{padding-top:1.5rem}}@media(max-width:640px){.calculator-section{padding:2.75rem 0}.calculator-section__header{margin-bottom:2rem;padding:0 1rem}}.historical-data-section{padding:4rem 1.5rem 4.5rem;background:var(--bg-tertiary);border-top:1px solid var(--border-light)}[data-theme=dark] .historical-data-section{background:#091a2b80;border-color:#ffffff0a}.historical-data-section__inner{max-width:1000px;margin:0 auto}@media(max-width:768px){.historical-data-section{padding:3rem 1rem 3.5rem}}@media(max-width:640px){.historical-data-section{padding:2.5rem 1rem 3rem}}[data-theme=dark] .manage-saved-btn{background:var(--bg-secondary);border-color:var(--border-color-strong);color:var(--text-primary)}[data-theme=dark] .manage-saved-btn:hover{background:var(--bg-tertiary);border-color:var(--primary-600)}[data-theme=dark] .compare-btn{background:#3b82f61a;border-color:#3b82f64d;color:var(--primary-300)}[data-theme=dark] .compare-btn:hover{background:#3b82f626;border-color:var(--primary-400);color:var(--primary-200)}[data-theme=dark] .saved-manager-content{background:var(--bg-secondary);border-color:var(--border-color-strong)}[data-theme=dark] .saved-manager-header h4{color:var(--text-primary)}[data-theme=dark] .saved-table-wrapper{background:var(--bg-primary);border-color:var(--border-color-strong)}[data-theme=dark] .saved-table thead{background:#14b8a61f;color:var(--primary-200)}[data-theme=dark] .saved-table th,[data-theme=dark] .saved-table td{color:var(--text-secondary);border-color:var(--border-color)}[data-theme=dark] .saved-table tbody tr:nth-child(2n){background:#ffffff0a}[data-theme=dark] .saved-table tbody tr:hover{background:#14b8a629}[data-theme=dark] .saved-empty-state{background:#ffffff0d;border-color:var(--border-color-strong);color:var(--text-secondary)}[data-theme=dark] .input-error-message{background:var(--error-light);color:var(--error-dark)}[data-theme=dark] .input-warning-message{background:var(--warning-light);color:var(--warning-dark)}[data-theme=dark] .input-success-message{background:var(--success-light);color:var(--success-dark)}*{box-sizing:border-box}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.5;color:var(--text-primary);background:var(--bg-secondary);-webkit-font-smoothing:antialiased;transition:background-color var(--transition-base),color var(--transition-base);overflow-x:hidden;max-width:100vw}button{-webkit-tap-highlight-color:transparent}button:active:not(:disabled){transform:scale(.98);transition:transform .1s ease-out}button:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px;animation:focusRing .3s ease-out}@keyframes focusRing{0%{outline-offset:0px;outline-width:0px}to{outline-offset:2px;outline-width:2px}}:root{--safe-area-top: env(safe-area-inset-top, 0px);--safe-area-right: env(safe-area-inset-right, 0px);--safe-area-bottom: env(safe-area-inset-bottom, 0px);--safe-area-left: env(safe-area-inset-left, 0px)}.export-btn,.btn-secondary,.manage-saved-btn,.compare-btn,.export-all-btn,.results-tabs-nav button,.segmented-control button,.global-header button,header .global-header button,nav a,button,label[for]{min-width:44px;min-height:44px;padding:max(10px,.5rem) max(12px,.75rem)}.btn-icon-only,.close-button,.help-tooltip-trigger,.menu-toggle,.back-to-top-button{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}.calculator-loading-skeleton{max-width:1200px;margin:0 auto;padding:var(--space-6)}.mode-selector-skeleton{display:flex;gap:var(--space-2);margin-bottom:var(--space-6);justify-content:center}.skeleton-tab{width:100px;height:44px;background:var(--gray-100);border-radius:var(--radius-lg);animation:skeleton-pulse 1.5s ease-in-out infinite}[data-theme=dark] .skeleton-tab{background:var(--gray-800)}.calculator-grid-skeleton{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-6)}@media(max-width:900px){.calculator-grid-skeleton{grid-template-columns:1fr}}.skeleton-input-column{display:flex;flex-direction:column;gap:var(--space-4)}.skeleton-input-field{height:80px;background:var(--gray-100);border-radius:var(--radius-lg);animation:skeleton-pulse 1.5s ease-in-out infinite}[data-theme=dark] .skeleton-input-field{background:var(--gray-800)}.skeleton-results-column{display:flex;flex-direction:column;gap:var(--space-4)}.skeleton-result-card{height:200px;background:var(--gray-100);border-radius:var(--radius-xl);animation:skeleton-pulse 1.5s ease-in-out infinite}.skeleton-result-card.small{height:120px}[data-theme=dark] .skeleton-result-card{background:var(--gray-800)}@keyframes skeleton-pulse{0%,to{opacity:1}50%{opacity:.5}}