:root{--color-primary:#f73737;--color-primary-hover:#ff8080;--color-neutral:#e2e2e2;--color-ink:#1c1c1c;--color-bg:#fff;--color-surface:#fff;--color-surface-muted:#f7f7f7;--color-border:var(--color-neutral);--color-text:var(--color-ink);--color-text-muted:#6b6b6b;--color-on-primary:#fff;--color-focus:var(--color-primary);--color-danger:#c0261f;--color-danger-bg:#fdecec;--color-success:#1c7c3b;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--shadow-sm:0 1px 2px #1c1c1c0f;--shadow-md:0 10px 15px -3px #1c1c1c1a, 0 4px 6px -2px #1c1c1c0d;--shadow-lg:0 24px 48px -12px #1c1c1c3d;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-8:48px;--font-sans:system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Consolas, monospace;--content-width:1120px;font:16px/1.5 var(--font-sans);color:var(--color-text);background:var(--color-bg);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{background:var(--color-bg);min-height:100svh;margin:0}#root{flex-direction:column;min-height:100svh;display:flex}h1,h2,h3{color:var(--color-text);margin:0;font-weight:700;line-height:1.15}h1{letter-spacing:-.02em;font-size:clamp(2rem,5vw,3rem)}h2{letter-spacing:-.01em;font-size:clamp(1.3rem,3vw,1.75rem)}h3{font-size:1.1rem}p{margin:0}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}code{font-family:var(--font-mono);background:var(--color-surface-muted);border-radius:var(--radius-sm);padding:2px 6px;font-size:.85em}:focus-visible{outline:3px solid color-mix(in srgb, var(--color-focus) 55%, transparent);outline-offset:2px;border-radius:var(--radius-sm)}.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}.app-shell{flex-direction:column;min-height:100svh;display:flex}.app-main{width:100%;max-width:var(--content-width);padding:var(--space-6) var(--space-4) var(--space-8);flex:1;margin:0 auto}.skip-link{background:var(--color-primary);color:var(--color-on-primary);padding:var(--space-2) var(--space-4);z-index:100;border-radius:0 0 var(--radius-sm) 0;position:absolute;top:0;left:-9999px}.skip-link:focus{left:0}.site-header{border-bottom:1px solid var(--color-border);background:var(--color-surface);z-index:20;position:sticky;top:0}.site-header__inner{max-width:var(--content-width);padding:var(--space-3) var(--space-4);justify-content:space-between;align-items:center;gap:var(--space-4);flex-wrap:wrap;margin:0 auto;display:flex}.brand{align-items:center;gap:var(--space-2);color:var(--color-text);font-weight:700;display:inline-flex}.brand:hover{text-decoration:none}.brand__mark{border-radius:var(--radius-sm);background:var(--color-primary);width:34px;height:34px;color:var(--color-on-primary);place-items:center;font-size:.85rem;font-weight:800;display:inline-grid}.brand__name{font-size:1.05rem}.site-nav{align-items:center;gap:var(--space-4);flex-wrap:wrap;display:flex}.site-nav__link{color:var(--color-text-muted);font-size:.95rem;font-weight:600}.site-nav__link:hover,.site-nav__link.active{color:var(--color-text);text-decoration:none}.site-nav__email{color:var(--color-text-muted);text-overflow:ellipsis;white-space:nowrap;max-width:200px;font-size:.85rem;overflow:hidden}.site-footer{border-top:1px solid var(--color-border);background:var(--color-surface)}.site-footer__inner{max-width:var(--content-width);padding:var(--space-5) var(--space-4);gap:var(--space-3);color:var(--color-text-muted);flex-wrap:wrap;justify-content:space-between;margin:0 auto;font-size:.9rem;display:flex}.site-footer__muted{color:var(--color-text-muted)}.btn{justify-content:center;align-items:center;gap:var(--space-2);border-radius:var(--radius-md);font:inherit;cursor:pointer;border:1px solid #0000;padding:10px 18px;font-weight:600;transition:background-color .15s,border-color .15s,transform 50ms,opacity .15s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn--block{width:100%}.btn--primary{background:var(--color-primary);color:var(--color-on-primary)}.btn--primary:not(:disabled):hover{background:var(--color-primary-hover)}.btn--secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.btn--secondary:not(:disabled):hover{border-color:var(--color-primary);color:var(--color-primary)}.btn--ghost{color:var(--color-text-muted);background:0 0}.btn--ghost:not(:disabled):hover{color:var(--color-primary)}.spinner{border:2.5px solid color-mix(in srgb, var(--color-primary) 25%, transparent);border-top-color:var(--color-primary);border-radius:50%;flex-shrink:0;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.spinner{animation-duration:1.6s}}.field{text-align:left;flex-direction:column;gap:6px;display:flex}.field__label{font-size:.9rem;font-weight:600}.field__input{border:1px solid var(--color-border);border-radius:var(--radius-md);font:inherit;background:var(--color-surface);color:var(--color-text);padding:10px 12px}.field__input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--color-primary) 25%, transparent);outline:none}.field__input--error{border-color:var(--color-danger)}.field__hint{color:var(--color-text-muted);font-size:.8rem}.field__error{color:var(--color-danger);font-size:.82rem}.alert{border-radius:var(--radius-md);flex-direction:column;gap:2px;padding:10px 14px;font-size:.9rem;display:flex}.alert--error{background:var(--color-danger-bg);color:var(--color-danger)}.alert--success{background:color-mix(in srgb, var(--color-success) 12%, transparent);color:var(--color-success)}.alert--warn{background:color-mix(in srgb, var(--color-primary) 10%, transparent);color:var(--color-text);border:1px solid color-mix(in srgb, var(--color-primary) 35%, transparent)}.alert__meta{opacity:.8;font-size:.75rem}.modal__backdrop{padding:var(--space-4);z-index:50;background:#1c1c1c80;place-items:center;display:grid;position:fixed;inset:0}.modal__dialog{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:420px;padding:var(--space-5)}.modal__header{justify-content:space-between;align-items:flex-start;gap:var(--space-3);margin-bottom:var(--space-3);display:flex}.modal__title{font-size:1.25rem}.modal__close{cursor:pointer;color:var(--color-text-muted);background:0 0;border:none;padding:0 4px;font-size:1.5rem;line-height:1}.modal__lead{color:var(--color-text-muted);margin-bottom:var(--space-4)}.modal__actions{gap:var(--space-2);flex-direction:column;display:flex}.modal__fineprint{margin-top:var(--space-3);color:var(--color-text-muted);text-align:center;font-size:.8rem}.hero{text-align:center;max-width:720px;margin:0 auto var(--space-6)}.hero__title{margin-bottom:var(--space-3)}.hero__accent{color:var(--color-primary)}.hero__lead{color:var(--color-text-muted);font-size:1.1rem}.converter__panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow-sm)}.converter__status:empty{display:none}.converter__status{margin-top:var(--space-3)}.converter__loading{align-items:center;gap:var(--space-3);padding:var(--space-6) 0;color:var(--color-text-muted);flex-direction:column;display:flex}.converter__cta{margin-top:var(--space-4);text-align:center;color:var(--color-text-muted);font-size:.95rem}.dropzone{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-8) var(--space-4);border:2px dashed var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-muted);cursor:pointer;text-align:center;flex-direction:column;transition:border-color .15s,background-color .15s;display:flex}.dropzone:hover,.dropzone--active{border-color:var(--color-primary);background:color-mix(in srgb, var(--color-primary) 6%, var(--color-surface))}.dropzone--disabled{opacity:.6;cursor:not-allowed}.dropzone__icon{width:40px;height:40px;color:var(--color-primary)}.dropzone__title{font-weight:600}.dropzone__cta{color:var(--color-primary);text-decoration:underline}.dropzone__hint{color:var(--color-text-muted);font-size:.85rem}.results{margin-top:var(--space-5)}.results__grid{gap:var(--space-4);grid-template-columns:repeat(2,1fr);display:grid}@media (width<=720px){.results__grid{grid-template-columns:1fr}}.results__card{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);margin:0;overflow:hidden}.results__label{padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--color-border);background:var(--color-surface-muted);font-size:.85rem;font-weight:600}.results__hint{color:var(--color-text-muted);font-weight:400}.results__actions{margin-top:var(--space-4);gap:var(--space-3);flex-wrap:wrap;justify-content:center;display:flex}.svg-preview{padding:var(--space-4);background:repeating-conic-gradient(var(--color-surface-muted) 0% 25%, var(--color-surface) 0% 50%) 50% / 20px 20px;place-items:center;min-height:320px;display:grid}.svg-preview svg{max-width:100%;height:auto;max-height:300px}.three-preview{background:var(--color-ink);width:100%;height:320px;min-height:320px;display:block}.three-preview canvas{display:block;width:100%!important;height:100%!important}.three-preview--empty{justify-content:center;align-items:center;gap:var(--space-2);text-align:center;padding:var(--space-5);color:var(--color-neutral);flex-direction:column;display:flex}.three-preview__hint{opacity:.8;max-width:260px;font-size:.85rem}.premium{margin-top:var(--space-8)}.premium__head{text-align:center;margin-bottom:var(--space-5)}.premium__subtitle{color:var(--color-text-muted);margin-top:var(--space-2)}.premium__grid{gap:var(--space-4);grid-template-columns:repeat(3,1fr);margin:0;padding:0;list-style:none;display:grid}@media (width<=720px){.premium__grid{grid-template-columns:1fr}}.premium-card{text-align:left;gap:var(--space-2);width:100%;height:100%;padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);cursor:pointer;font:inherit;flex-direction:column;transition:border-color .15s,box-shadow .15s;display:flex}.premium-card--locked:hover{border-color:var(--color-primary);box-shadow:var(--shadow-sm)}.premium-card--unlocked{cursor:default}.premium-card__status{text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);background:var(--color-surface-muted);border-radius:999px;align-self:flex-start;padding:3px 8px;font-size:.72rem;font-weight:700}.premium-card__title{font-size:1.05rem;font-weight:700}.premium-card__desc{color:var(--color-text-muted);font-size:.9rem}.auth{padding:var(--space-6) 0;place-items:center;display:grid}.auth__card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:100%;max-width:420px;padding:var(--space-6);box-shadow:var(--shadow-sm)}.auth__title{margin-bottom:var(--space-2);font-size:1.6rem}.auth__subtitle{color:var(--color-text-muted);margin-bottom:var(--space-5)}.auth__form{gap:var(--space-4);flex-direction:column;display:flex}.auth__footer{margin-top:var(--space-5);text-align:center;color:var(--color-text-muted);font-size:.9rem}.password-rules{color:var(--color-text-muted);gap:4px;margin:0;padding:0;font-size:.82rem;list-style:none;display:grid}.password-rules__item--met{color:var(--color-success)}.account{padding:var(--space-4) 0;place-items:start center;display:grid}.account__card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:100%;max-width:640px;padding:var(--space-6);gap:var(--space-5);flex-direction:column;display:flex}.account__details{gap:var(--space-3);margin:0;display:grid}.account__details dt{text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);font-size:.8rem}.account__details dd{margin:2px 0 0;font-weight:600}.account__mono{font-family:var(--font-mono);word-break:break-all;font-size:.85rem}.account__muted{color:var(--color-text-muted);font-size:.9rem}.account__premium-list{margin:var(--space-3) 0 0;gap:var(--space-2);padding:0;list-style:none;display:grid}.account__premium-list li{padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);justify-content:space-between;align-items:center;display:flex}.account__premium-title{font-weight:600}.badge{text-transform:uppercase;letter-spacing:.04em;color:var(--color-primary);background:color-mix(in srgb, var(--color-primary) 12%, transparent);border-radius:999px;padding:3px 8px;font-size:.72rem;font-weight:700}.route-loading{align-items:center;gap:var(--space-3);padding:var(--space-8) 0;color:var(--color-text-muted);flex-direction:column;display:flex}.notfound{text-align:center;padding:var(--space-8) 0;gap:var(--space-3);flex-direction:column;display:flex}