:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg-primary:#121214;--bg-secondary:#1c1c20;--bg-card:#1c1c20;--bg-card-hover:#27272e;--bg-input:#121214;--border-color:#2d2d35;--border-focus:#06b6d4;--text-primary:#f4f4f6;--text-secondary:#a1a1aa;--text-muted:#94a3b8;--accent-primary:#06b6d4;--accent-hover:#22d3ee;--accent-contrast:#042f2e;--accent-glow:#06b6d440;--accent-bg:#06b6d426;--accent-bg-subtle:#06b6d41a;--color-success:#10b981;--color-success-bg:#10b98126;--color-error:#f43f5e;--color-error-bg:#f43f5e26;--color-warning:#f59e0b;--color-warning-bg:#f59e0b26;--color-info:#3b82f6;--color-info-bg:#3b82f626;--font-sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-serif:"KaTeX_Main", "Georgia", "Cambria", "Times New Roman", Times, serif;--font-mono:"JetBrains Mono", "Fira Code", Consolas, 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#06b6d44d;--bg-dark:#121214;--white-5:#ffffff0d;--white-10:#ffffff1a;--white-15:#ffffff26;--white-20:#fff3;--white-30:#ffffff4d;--white-40:#fff6;--white-50:#ffffff80;--white-60:#fff9;--white-70:#ffffffb3;--white-80:#fffc;--white-85:#ffffffd9;--white-90:#ffffffe6;--white-95:#fffffff2;--white-100:#fff;--black-5:#0000000d;--black-10:#0000001a;--black-15:#00000026;--black-20:#0003;--black-30:#0000004d;--black-40:#0006;--black-50:#00000080;--black-60:#0009;--black-70:#000000b3;--black-80:#000c;--black-85:#000000d9;--black-90:#000000e6;--black-95:#000000f2;--black-100:#000}[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-card:#fff;--bg-card-hover:#f1f5f9;--bg-input:#f8fafc;--border-color:#e2e8f0;--border-focus:#0284c7;--text-primary:#121214;--text-secondary:#475569;--text-muted:#94a3b8;--accent-primary:#0284c7;--accent-hover:#0369a1;--accent-contrast:#fff;--accent-glow:#0284c733;--color-success:#059669;--color-success-bg:#0596691a;--color-error:#dc2626;--color-error-bg:#dc26261a;--color-warning:#d97706;--color-warning-bg:#d977061a;--color-info:#2563eb;--color-info-bg:#2563eb1a;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 4px 12px -2px #00000014;--shadow-lg:0 10px 25px -3px #0000001a;--shadow-card:0 4px 20px -2px #00000014;--shadow-glow:0 0 20px #0284c733;--bg-dark:#121214}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-primary);min-height:100%;color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;font-size:1.2rem;line-height:1.6;transition:background-color .2s,color .2s}.app-contents{display:contents}button{color:inherit;cursor:pointer;border:none;font-family:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}input,textarea,select{color:inherit;font-family:inherit}.katex{color:inherit;font-size:1.04em}.katex-display{margin:.5em 0;overflow:auto hidden}.katex-display>.katex{font-size:1.2em}.katex-display .mtable>.vertical-label>.katex-html,.katex-display .mtable .mtr,.katex-display .mtable .row-size{line-height:1.6}.katex-display .katex .mtable .mtr>td{padding-bottom:.35em}.katex-display .katex .mtable .mtr+.mtr>td{padding-top:.55em}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.control-group{flex-wrap:wrap;align-items:center;gap:.5rem .75rem;width:100%;display:flex}.control-label{font-size:var(--text-sm);color:var(--text-secondary);font-weight:600}.select-input,.math-text-input{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-sm);font-size:var(--text-sm);text-overflow:ellipsis;max-width:100%;padding:.45rem .75rem;transition:border-color .15s}.select-input:focus-visible,.math-text-input:focus-visible{border-color:var(--accent-primary);outline:2px solid var(--accent-primary);outline-offset:2px}@media (width<=480px){.select-input,.math-text-input{width:100%}}.update-toast.svelte-hwlfor{z-index:1000;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);max-width:480px;box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);justify-content:space-between;align-items:center;gap:1.25rem;padding:.875rem 1.125rem;animation:.25s cubic-bezier(.16,1,.3,1) svelte-hwlfor-slide-in;display:flex;position:fixed;bottom:1.5rem;right:1.5rem}@keyframes svelte-hwlfor-slide-in{0%{opacity:0;transform:translateY(12px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.toast-content.svelte-hwlfor{align-items:center;gap:.75rem;min-width:0;display:flex}.toast-icon-wrapper.svelte-hwlfor{background-color:var(--accent-bg);width:2rem;height:2rem;color:var(--accent-primary);border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;display:flex}.toast-icon.svelte-hwlfor{width:1.25rem;height:1.25rem}.toast-text-group.svelte-hwlfor{flex-direction:column;gap:.125rem;min-width:0;display:flex}.toast-title.svelte-hwlfor{font-size:var(--text-sm);color:var(--text-primary);font-weight:600;line-height:var(--leading-tight)}.toast-description.svelte-hwlfor{font-size:var(--text-xs);color:var(--text-secondary);line-height:var(--leading-normal)}.toast-actions.svelte-hwlfor{flex-shrink:0;align-items:center;gap:.5rem;display:flex}.btn-toast-update.svelte-hwlfor,.btn-toast-dismiss.svelte-hwlfor{font-family:inherit;font-size:var(--text-xs);border-radius:var(--radius-sm);cursor:pointer;justify-content:center;align-items:center;padding:.4rem .75rem;font-weight:600;transition:background-color .15s,border-color .15s,color .15s;display:inline-flex}.btn-toast-update.svelte-hwlfor{background-color:var(--accent-primary);color:var(--accent-contrast);border:1px solid var(--accent-primary)}.btn-toast-update.svelte-hwlfor:hover{background-color:var(--accent-hover);border-color:var(--accent-hover)}.btn-toast-dismiss.svelte-hwlfor{color:var(--text-secondary);border:1px solid var(--border-color);background-color:#0000}.btn-toast-dismiss.svelte-hwlfor:hover{background-color:var(--white-5);color:var(--text-primary)}.btn-toast-update.svelte-hwlfor:focus-visible,.btn-toast-dismiss.svelte-hwlfor:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}@media (width<=480px){.update-toast.svelte-hwlfor{flex-direction:column;align-items:stretch;gap:.75rem;max-width:none;bottom:.75rem;left:.75rem;right:.75rem}.toast-actions.svelte-hwlfor{justify-content:flex-end}}