:root{--color-background:#000;--color-surface:#050505;--color-surface-raised:#0b0b0b;--color-text:silver;--color-text-strong:#f3f3f3;--color-text-muted:#9a9a9a;--color-accent:#1e90ff;--color-accent-hover:#4aa6ff;--color-border:#6d747c;--color-border-strong:#a5abb1;--color-success:#39b86b;--color-warning:#e6b94f;--color-error:#e15b64;--font-family-sans:"Roboto", Arial, sans-serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-md:1rem;--font-size-lg:1.125rem;--font-size-xl:1.5rem;--font-size-2xl:2rem;--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.625rem;--control-height:2.5rem;--header-height:4.5rem;--content-width:58rem;--content-width-narrow:46rem;--page-gutter:clamp(1rem, 4vw, 2rem);--transition-fast:.12s ease;--transition-normal:.18s ease;--z-header:100;--z-overlay:500}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;font-size:16px}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.5}img,picture,video,canvas,svg{max-width:100%;display:block}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}#root{isolation:isolate}body{background-color:var(--color-background);color:var(--color-text);font-family:var(--font-family-sans);font-size:var(--font-size-md);font-weight:var(--font-weight-regular)}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover)}h1,h2,h3,h4,h5,h6{color:var(--color-text-strong);font-weight:var(--font-weight-semibold);line-height:1.25}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}::selection{background-color:var(--color-accent);color:#fff}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.text-accent{color:var(--color-accent)}.text-muted{color:var(--color-text-muted)}.text-strong{color:var(--color-text-strong)}.brand-mark{font-weight:var(--font-weight-semibold);letter-spacing:-.01em;align-items:baseline;line-height:1;display:inline-flex}.brand-mark--sm{font-size:var(--font-size-lg)}.brand-mark--md{font-size:var(--font-size-xl)}.brand-mark--lg{font-size:var(--font-size-2xl)}.brand-mark__reformat{color:var(--color-text-strong);margin-right:3px}.brand-mark__it{color:var(--color-accent)}.site-header{z-index:var(--z-header);height:var(--header-height);background-color:var(--color-background);border-bottom:1px solid var(--color-border);align-items:center;display:flex;position:sticky;top:0}.site-header__inner{width:100%;max-width:var(--content-width);padding:0 var(--page-gutter);align-items:center;margin:0 auto;display:flex}.site-header__brand{align-items:center;text-decoration:none;display:inline-flex}.site-footer{background-color:var(--color-surface);border-top:1px solid var(--color-border);padding:var(--space-6) var(--page-gutter)}.site-footer__inner{max-width:var(--content-width);justify-content:space-between;align-items:center;gap:var(--space-4);flex-wrap:wrap;margin:0 auto;display:flex}.site-footer__copy{color:var(--color-text-muted);font-size:var(--font-size-sm)}.site-footer__nav{gap:var(--space-6);display:flex}.site-footer__nav a{color:var(--color-text-muted);font-size:var(--font-size-sm);transition:color var(--transition-fast)}.site-footer__nav a:hover{color:var(--color-text)}.app-shell{background-color:var(--color-background);flex-direction:column;min-height:100vh;display:flex}.app-shell__main{flex-direction:column;flex:1;display:flex}.page-container{width:100%;max-width:var(--content-width);padding:0 var(--page-gutter);margin:0 auto}.page-container--narrow{max-width:var(--content-width-narrow)}.home-page{padding:var(--space-16) 0 var(--space-20)}.home-hero{align-items:center;gap:var(--space-5);text-align:center;padding-bottom:var(--space-12);flex-direction:column;display:flex}.home-hero__tagline{font-size:var(--font-size-lg);color:var(--color-text-muted);max-width:36rem}.home-categories__grid{gap:var(--space-5);grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));display:grid}.category-card{gap:var(--space-2);padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);transition:border-color var(--transition-fast), background-color var(--transition-fast);cursor:pointer;flex-direction:column;text-decoration:none;display:flex}.category-card:not(.category-card--soon):hover{border-color:var(--color-accent);background-color:var(--color-surface-raised)}.category-card--soon{opacity:.55;cursor:default}.category-card__label{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-strong)}.category-card__description{font-size:var(--font-size-sm);color:var(--color-text-muted);line-height:1.5}.category-card__soon-badge{font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:0 var(--space-2);width:fit-content;display:inline-block}.home-trust{padding-top:var(--space-12)}.home-trust__items{justify-content:center;gap:var(--space-8);flex-wrap:wrap;display:flex}.home-trust__item{align-items:center;gap:var(--space-3);font-size:var(--font-size-sm);color:var(--color-text-muted);display:flex}.home-trust__icon{font-size:var(--font-size-lg)}@media (width<=480px){.home-categories__grid{grid-template-columns:1fr}}.page-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-semibold);text-align:center;margin-bottom:var(--space-10);line-height:1.2}.page-title__prefix{color:var(--color-text-strong)}.page-title__accent{color:var(--color-accent)}@media (width<=480px){.page-title{font-size:var(--font-size-xl)}}.converter-panel{gap:var(--space-4);flex-direction:column;width:100%;max-width:52rem;margin:0 auto;display:flex}.file-picker{gap:var(--space-2);flex-direction:column;width:100%;display:flex}.file-picker__label{width:100%;height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface);cursor:pointer;transition:border-color var(--transition-fast);align-items:center;display:flex;overflow:hidden}.file-picker__label:hover{border-color:var(--color-border-strong)}.file-picker__button{padding:0 var(--space-4);background-color:var(--color-surface-raised);border-right:1px solid var(--color-border);height:100%;color:var(--color-text-strong);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);white-space:nowrap;flex-shrink:0;align-items:center;display:flex}.file-picker__name{padding:0 var(--space-4);color:var(--color-text-muted);font-size:var(--font-size-sm);white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.file-picker__hint{font-size:var(--font-size-xs);color:var(--color-text-muted);line-height:1.5}.file-picker__input:focus-visible+.file-picker__label{outline:2px solid var(--color-accent);outline-offset:2px}.format-select{width:100%}.format-select__control{width:100%;height:var(--control-height);padding:0 var(--space-4);background-color:var(--color-surface);color:var(--color-text-strong);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-md);appearance:auto;cursor:pointer;transition:border-color var(--transition-fast)}.format-select__control:hover{border-color:var(--color-border-strong)}.format-select__control:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-color:var(--color-accent)}.format-select__control:disabled{opacity:.5;cursor:not-allowed}.format-select__control option{color:var(--color-text-strong);background-color:#111}.btn{justify-content:center;align-items:center;gap:var(--space-2);height:var(--control-height);padding:0 var(--space-6);border-radius:var(--radius-md);font-size:var(--font-size-md);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);white-space:nowrap;border:none;display:inline-flex}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--primary{color:#000;background-color:#fff}.btn--primary:hover:not(:disabled){background-color:silver}.btn--secondary{color:var(--color-text-strong);border:1px solid var(--color-border-strong);background-color:#0000}.btn--secondary:hover:not(:disabled){border-color:var(--color-text-strong)}.btn--danger{background-color:var(--color-error);color:#fff}.btn--danger:hover:not(:disabled){opacity:.85}.spinner{justify-content:center;align-items:center;display:inline-flex}.spinner__ring{border:2px solid var(--color-border);border-top-color:var(--color-text-strong);border-radius:50%;animation:.7s linear infinite spin;display:block}.spinner--sm .spinner__ring{width:1rem;height:1rem}.spinner--md .spinner__ring{width:1.5rem;height:1.5rem}.spinner--lg .spinner__ring{border-width:3px;width:2.5rem;height:2.5rem}@keyframes spin{to{transform:rotate(360deg)}}.conversion-progress{align-items:center;gap:var(--space-4);padding:var(--space-8) 0;flex-direction:column;display:flex}.conversion-progress__label{color:var(--color-text-muted);font-size:var(--font-size-sm)}.conversion-error{justify-content:space-between;align-items:center;gap:var(--space-4);padding:var(--space-3) var(--space-5);background-color:color-mix(in srgb, var(--color-error) 15%, transparent);border:1px solid var(--color-error);border-radius:var(--radius-md);color:var(--color-error);font-size:var(--font-size-sm);width:100%;animation:slide-in var(--transition-normal) ease;display:flex}.conversion-error__message{flex:1}.conversion-error__dismiss{color:var(--color-error);font-size:var(--font-size-lg);cursor:pointer;padding:0 var(--space-1);background:0 0;border:none;flex-shrink:0;line-height:1}@keyframes slide-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.conversion-result{align-items:center;gap:var(--space-5);padding-top:var(--space-6);width:100%;animation:fade-in var(--transition-normal) ease;flex-direction:column;display:flex}.conversion-result__divider{align-items:center;gap:var(--space-4);width:100%;display:flex}.conversion-result__divider:before,.conversion-result__divider:after{content:"";background-color:var(--color-border);flex:1;height:1px}.conversion-result__label{color:var(--color-success);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);white-space:nowrap}.conversion-result__actions{gap:var(--space-4);flex-wrap:wrap;justify-content:center;display:flex}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.info-card{padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface)}.info-card__title{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--color-text-strong);margin-bottom:var(--space-2)}.info-card__description{font-size:var(--font-size-sm);color:var(--color-text);line-height:1.6}.info-section{padding:var(--space-12) 0 var(--space-8)}.info-section__heading{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);text-align:center;color:var(--color-text-strong);margin-bottom:var(--space-8)}.info-section__grid{gap:var(--space-5);grid-template-columns:repeat(2,1fr);display:grid}@media (width<=600px){.info-section__grid{grid-template-columns:1fr}}.turnstile-challenge{gap:var(--space-3);color:var(--color-text);font-size:var(--font-size-sm);display:grid}.converter-page{padding:var(--space-12) 0 var(--space-20)}.converter-page__title{margin-bottom:var(--space-10)}.converter-page__actions{padding-top:var(--space-2);justify-content:center;display:flex}.converter-page__actions .btn{min-width:10rem}.not-found{justify-content:center;align-items:center;gap:var(--space-4);padding:var(--space-20) 0;text-align:center;flex-direction:column;display:flex}.not-found__code{font-size:6rem;font-weight:var(--font-weight-semibold);color:var(--color-accent);line-height:1}.not-found__message{font-size:var(--font-size-lg);color:var(--color-text-muted)}.not-found__link{color:var(--color-accent);font-weight:var(--font-weight-medium);transition:color var(--transition-fast)}.not-found__link:hover{color:var(--color-accent-hover)}.policy-page{gap:var(--space-8);padding-block:var(--space-10) var(--space-16);display:grid}.policy-page header,.policy-page section{gap:var(--space-3);display:grid}.policy-page h1{font-size:clamp(2rem,6vw,3rem)}.policy-page h2{font-size:var(--font-size-xl)}.policy-page p{max-width:70ch}.policy-page__updated{color:var(--color-text-muted);font-size:var(--font-size-sm)}