@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--color-bg-primary:#0a0a0f;--color-bg-secondary:#12121a;--color-bg-tertiary:#1a1a2e;--color-bg-elevated:#223;--color-glass-bg:rgba(255,255,255,.03);--color-glass-border:rgba(255,255,255,.08);--color-glass-highlight:rgba(255,255,255,.12);--color-text-primary:#fff;--color-text-secondary:#c0c0d0;--color-text-muted:#a0a0b0;--color-accent-primary:#3b82f6;--color-accent-secondary:#8b5cf6;--color-accent-tertiary:#06b6d4;--color-accent-success:#10b981;--color-accent-warning:#f59e0b;--color-accent-danger:#ef4444;--color-accent-error:#f87171;--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-size-xs:clamp(.7rem,.675rem + .125vw,.75rem);--font-size-sm:clamp(.8rem,.75rem + .25vw,.875rem);--font-size-base:1rem;--font-size-lg:clamp(1rem,.95rem + .25vw,1.125rem);--font-size-xl:clamp(1.1rem,1rem + .5vw,1.25rem);--font-size-2xl:clamp(1.25rem,1.1rem + .75vw,1.5rem);--font-size-3xl:clamp(1.5rem,1.2rem + 1.5vw,2rem);--font-size-4xl:clamp(1.75rem,1.3rem + 2.25vw,2.5rem);--font-size-5xl:clamp(2rem,1.35rem + 3.25vw,3.5rem);--font-size-6xl:clamp(2.5rem,1.6rem + 4.5vw,4.5rem);--font-weight-light:300;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--line-height-tight:1.1;--line-height-snug:1.25;--line-height-normal:1.5;--line-height-relaxed:1.75;--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;--space-24:6rem;--space-32:8rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--shadow-sm:0 1px 2px rgba(0,0,0,.3);--shadow-md:0 4px 6px rgba(0,0,0,.4);--shadow-lg:0 10px 15px rgba(0,0,0,.4);--shadow-xl:0 20px 25px rgba(0,0,0,.5);--shadow-glow:0 0 40px rgba(59,130,246,.2);--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s ease;--transition-spring:.5s cubic-bezier(.34,1.56,.64,1);--glass-blur:24px;--glass-saturate:120%;--glass-bg-opacity:.6;--glass-border-opacity:.08}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-bg-primary);min-height:100vh}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}.glass,.glass-card{backdrop-filter:blur(var(--glass-blur))saturate(var(--glass-saturate));background:rgba(18,18,23,.6);border:1px solid rgba(255,255,255,.08);box-shadow:inset 0 1px 1px rgba(255,255,255,.05),0 8px 32px rgba(0,0,0,.4)}.glass-card{border-radius:var(--radius-xl);padding:var(--space-6);transition:transform var(--transition-base),box-shadow 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var(--color-accent-primary);outline-offset:2px}:focus:not(:focus-visible){outline:none}.skip-link{top:-48px;left:var(--space-4);padding:var(--space-2)var(--space-4);background:var(--color-accent-primary);color:var(--color-bg-primary);border-radius:var(--radius-md);z-index:1000;font-weight:500;text-decoration:none;position:absolute}.skip-link:focus{top:var(--space-4)}.tool-page{flex-direction:column;min-height:calc(100vh - 100px);display:flex}.tool-page .section-header{text-align:left;margin-bottom:var(--space-8)}.tool-page__nav{margin-bottom:var(--space-8)}.tool-page__back{align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);color:var(--color-text-secondary);transition:color var(--transition-fast);display:inline-flex}.tool-page__content{gap:var(--space-6);flex-direction:column;flex:1;display:flex}.tool-page__footer{margin-top:var(--space-12);padding-top:var(--space-6);border-top:1px solid var(--color-glass-border);justify-content:center;display:flex}.tool-page__privacy{align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);color:var(--color-text-muted);display:flex}.tool-columns{gap:var(--space-6);grid-template-columns:1fr 1fr;align-items:stretch;display:grid}@media (width<=768px){.tool-columns{grid-template-columns:1fr}}.tool-single{gap:var(--space-6);flex-direction:column;width:100%;max-width:800px;margin:0 auto;display:flex}.tool-panel{background:var(--color-glass-bg);-webkit-backdrop-filter:blur(var(--glass-blur))saturate(var(--glass-saturate));border:1px solid var(--color-glass-border);border-radius:var(--radius-xl);height:100%;min-height:400px;transition:border-color var(--transition-fast);flex-direction:column;display:flex;overflow:hidden}.tool-panel:focus-within{border-color:var(--color-accent-primary)}.tool-panel__header{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-3)var(--space-4);border-bottom:1px solid 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0;border:none}.toggle-group__btn:hover:not(.toggle-group__btn--active){color:var(--color-text-primary)}.toggle-group__btn--active{background:var(--color-glass-highlight);color:var(--color-text-primary);box-shadow:var(--shadow-sm)}.toggle-group--small{border-radius:var(--radius-md);padding:1px}.toggle-group--small .toggle-group__btn{padding:var(--space-1)var(--space-3);font-size:var(--font-size-xs);border-radius:calc(var(--radius-md) - 1px)}.btn-icon-small{border-radius:var(--radius-md);width:28px;height:28px;color:var(--color-text-muted);transition:all var(--transition-fast);background:0 0;border:1px solid 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var(--color-glass-border);border-radius:var(--radius-xl);flex-wrap:wrap;display:flex}.tool-stat{gap:var(--space-1);flex-direction:column;display:flex}.tool-stat__value{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);line-height:1}.tool-stat__label{font-size:var(--font-size-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.tool-warning{align-items:center;gap:var(--space-3);padding:var(--space-3)var(--space-4);border-radius:var(--radius-md);color:var(--color-accent-warning);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.3);display:flex}.tool-warning svg{flex-shrink:0}.markdown-html__preview-frame{background:#fff;border:0;flex:1;width:100%;min-height:320px}.markdown-html__warning{margin:var(--space-2)}:root{--color-accent-primary:#60a5fa;--color-accent-secondary:#a78bfa;--color-accent-tertiary:#22d3ee;--color-accent-success:#34d399;--color-accent-warning:#fbbf24;--color-accent-paused:#94a3b8;--color-text-muted:#8c8c9c;--gradient-primary:var(--color-accent-primary);--gradient-glow:transparent;--gradient-bg:var(--color-bg-primary);--container-max-width:1200px}@media (width>=1920px){:root{--container-max-width:1400px}}@media (width>=2560px){:root{--container-max-width:1800px}}html{scroll-behavior:smooth}@media (width>=2560px){html{font-size:18px}}body{font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);overflow-x:hidden}body:before{content:"";background:var(--gradient-bg);pointer-events:none;z-index:-2;position:fixed;inset:0}#webgl-bg{z-index:-1;pointer-events:none;width:100%;height:100%;position:fixed;top:0;left:0}body:after{content:"";background:var(--gradient-glow);pointer-events:none;z-index:-1;animation:8s ease-in-out infinite bg-pulse-glow;position:fixed;inset:-50%}img{max-width:100%;height:auto}ul,ol{list-style:none}@keyframes bg-pulse-glow{0%,to{opacity:.3;transform:translate(0)scale(1)}50%{opacity:.5;transform:translate(5%,5%)scale(1.1)}}@keyframes slide-in-left{0%{opacity:0;transform:translate(-40px)}to{opacity:1;transform:translate(0)}}@keyframes slide-in-right{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes 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