:root{--color-primary:#4f46e5;--color-primary-hover:#4338ca;--color-primary-light:#4f46e51a;--color-text:#1f2937;--color-text-secondary:#6b7280;--color-text-muted:#9ca3af;--color-bg:#fbfaf7;--color-bg-secondary:#f2f1ed;--color-bg-hover:#ebeae6;--color-bg-elevated:#fff;--color-input:#fff;--color-border:#deddd8;--color-border-strong:#c9c8c2;--color-on-primary:#fff;--color-danger:#ef4444;--color-danger-hover:#dc2626;--color-warning-bg:#fff7d6;--color-warning-text:#856404;--color-success-bg:#ecfdf3;--color-success-text:#16794c;--color-scrim:#0f172a6b;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--font-sans:system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;--font-serif:"Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;--font-mono:"JetBrains Mono", "Fira Code", ui-monospace, Consolas, monospace;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-full:9999px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--transition-fast:.15s ease;--transition-normal:.25s ease;--sidebar-width:320px;--reader-max-width:720px;--toolbar-height:56px}[data-theme=eye-care]{--color-primary:#397a52;--color-primary-hover:#2f6845;--color-primary-light:#397a521f;--color-text:#26382b;--color-text-secondary:#58705e;--color-text-muted:#78917e;--color-bg:#d8f0d4;--color-bg-secondary:#c9e7c7;--color-bg-hover:#e4f5df;--color-bg-elevated:#e8f7e4;--color-input:#effbed;--color-border:#b2d5ad;--color-border-strong:#99c494;--color-on-primary:#fff;--color-warning-bg:#f5edc9;--color-warning-text:#665621;--color-success-bg:#d9f0dc;--color-success-text:#286b3e;--color-scrim:#1b3e2361;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-theme=dark]{--color-primary:#9b91ff;--color-primary-hover:#b2aaff;--color-primary-light:#9b91ff29;--color-text:#d2d0cc;--color-text-secondary:#aaa8a3;--color-text-muted:#817f7b;--color-bg:#282828;--color-bg-secondary:#202020;--color-bg-hover:#343434;--color-bg-elevated:#303030;--color-input:#303030;--color-border:#444;--color-border-strong:#5a5a5a;--color-on-primary:#15131f;--color-warning-bg:#3c331c;--color-warning-text:#f0d77d;--color-success-bg:#193426;--color-success-text:#8bd7a5;--color-scrim:#0000009e;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}[data-theme=parchment]{--color-primary:#8b5e3c;--color-primary-hover:#744b30;--color-primary-light:#8b5e3c24;--color-text:#5c3d2e;--color-text-secondary:#80604d;--color-text-muted:#a1846e;--color-bg:#f0dfbe;--color-bg-secondary:#e5d1aa;--color-bg-hover:#f7e9ce;--color-bg-elevated:#f9edda;--color-input:#fff4df;--color-border:#ceb38a;--color-border-strong:#b99b6d;--color-on-primary:#fffaf0;--color-warning-bg:#f4e4ad;--color-warning-text:#705719;--color-success-bg:#deebcf;--color-success-text:#426b37;--color-scrim:#4b301c6b;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,: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-sans);color:var(--color-text);background:var(--color-bg);min-height:100vh;transition:color var(--transition-normal), background-color var(--transition-normal);line-height:1.5}#app{flex-direction:column;min-height:100vh;display:flex}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit;font-size:inherit}img{max-width:100%;height:auto}input,textarea,select{font-family:inherit;font-size:inherit;color:var(--color-text);background:var(--color-input);border-color:var(--color-border)}input::placeholder,textarea::placeholder{color:var(--color-text-muted)}::selection{color:var(--color-text);background:var(--color-primary-light)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.reader-theme-light{--reader-bg:#fff;--reader-text:#333;--reader-link:#1a73e8;--reader-selection:#4f46e533}.reader-theme-eye-care{--reader-bg:#c7edcc;--reader-text:#333;--reader-link:#1a73e8;--reader-selection:#4f46e533}.reader-theme-dark{--reader-bg:#1a1a1a;--reader-text:#ccc;--reader-link:#66b3ff;--reader-selection:#4f46e566}.reader-theme-parchment{--reader-bg:#f5e6c8;--reader-text:#5c3d2e;--reader-link:#8b5e3c;--reader-selection:#8b5e3c33}