@font-face{font-family:ReaderFallback;src:local("Inter"),local("Segoe UI")}
:root{color-scheme:dark;--bg:#19181d;--panel:#211f26;--surface:#28252e;--text:#dfdce5;--muted:#99929f;--faint:#655e6d;--border:#322e3a;--accent:#b39aee;--accent-bg:#382c4f;--code:#211e28;--reading-size:17px;--reading-font:ReaderFallback,Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
:root[data-appearance=light]{color-scheme:light;--bg:#faf9f6;--panel:#f2f0ed;--surface:#eae7e3;--text:#302b36;--muted:#79717f;--faint:#a19aa6;--border:#e1dce4;--accent:#7555b9;--accent-bg:#ece4f6;--code:#f0edf4}
:root[data-theme=paper]{--reading-font:Georgia,"Times New Roman",serif}
:root[data-theme=paper][data-appearance=light]{--bg:#fcf8ef;--panel:#f5f0e6;--text:#40392f;--border:#e6dece;--accent:#94723c;--accent-bg:#efe4ce;--code:#f1eadc}
:root[data-theme=midnight][data-appearance=dark]{--bg:#101923;--panel:#15202c;--surface:#1c2a38;--text:#dbe6ef;--border:#29394a;--accent:#8cc7d2;--accent-bg:#203941;--code:#15202c}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:104px}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 var(--reading-font)}button,input,select,textarea{font:inherit}button,select{cursor:pointer}button{border:1px solid transparent;border-radius:7px;background:transparent;color:var(--muted);padding:8px 12px;white-space:nowrap}button:hover{background:var(--surface);color:var(--text)}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button.primary{color:var(--bg);background:var(--accent);font-weight:600}button.primary:hover{filter:brightness(1.08)}a{color:var(--accent)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.toolbar{height:70px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;background:var(--bg);z-index:20;gap:20px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.brand{display:flex;align-items:center;gap:17px;min-width:0}.brand a{display:flex;align-items:center;gap:10px;color:var(--text);font-size:18px;font-weight:650;letter-spacing:-.6px;text-decoration:none}.brand-mark{display:flex;align-items:center;justify-content:center;width:29px;height:29px;border:1px solid var(--accent);border-radius:8px;color:var(--accent);font-size:21px}.brand-mark span{font-size:14px;margin-left:1px}.brand-divider{height:20px;width:1px;background:var(--border)}#document-name{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:360px}.actions{display:flex;align-items:center;gap:8px}.icon-button{font-size:19px;padding:5px 10px}#outline-toggle{display:none}
.workspace{display:flex;min-height:calc(100vh - 70px)}#sidebar{position:sticky;top:70px;align-self:flex-start;display:flex;flex-direction:column;height:calc(100vh - 70px);width:258px;flex-shrink:0;border-right:1px solid var(--border);background:var(--panel);padding:35px 23px 20px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.sidebar-label{font-size:10px;letter-spacing:1.7px;color:var(--muted);display:flex;justify-content:space-between;font-weight:600}#heading-count{font-weight:400;color:var(--faint)}#outline{margin-top:22px;overflow:auto;flex:1;font-size:12px;line-height:1.5;min-height:70px}#outline a{display:block;color:var(--muted);text-decoration:none;padding:7px 8px 7px calc(9px + var(--level)*11px);border-left:1px solid var(--border);transition:color .15s}#outline a:hover{color:var(--text)}#outline a.active{border-color:var(--accent);color:var(--accent);background:linear-gradient(90deg,var(--accent-bg),transparent)}.reading-settings{border-top:1px solid var(--border);margin-top:20px;padding-top:20px}.reading-settings label{display:block;font-size:11px;color:var(--muted);margin-bottom:8px}select{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:12px}.setting-row{display:flex;align-items:center;gap:4px;padding:13px 0;font-size:11px;color:var(--muted)}.setting-row span{flex:1}.setting-row button{padding:4px 8px;border:1px solid var(--border);font-size:12px}.reading-settings>button{display:block;padding:8px 0;font-size:11px}.reading-settings>button:hover{background:none;color:var(--accent)}.sidebar-footer{font-size:10px;color:var(--faint);border-top:1px solid var(--border);padding-top:18px;margin-top:16px;line-height:2}.sidebar-footer a{display:block;color:var(--muted);text-decoration:none}.status-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#81998c;margin-right:5px}
main{min-width:0;max-width:1000px;flex:1;padding:48px clamp(28px,6vw,90px) 32px;margin:0 auto}.document-meta{display:flex;justify-content:space-between;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:9px;letter-spacing:1.5px;color:var(--faint);margin-bottom:32px}.markdown{font-size:var(--reading-size);line-height:1.85;overflow-wrap:anywhere}.markdown>:first-child{margin-top:0}.markdown h1,.markdown h2,.markdown h3,.markdown h4,.markdown h5,.markdown h6{font-weight:600;line-height:1.3;letter-spacing:-.5px;color:var(--text);scroll-margin-top:100px}.markdown h1{font-size:2.25em;letter-spacing:-1.1px;margin-bottom:25px}.markdown h2{font-size:1.4em;margin:48px 0 18px}.markdown h3{font-size:1.12em;margin:28px 0 14px}.markdown p{margin:0 0 21px}.markdown strong{font-weight:650}.markdown a{text-underline-offset:4px}.markdown ul,.markdown ol{padding-left:25px;margin:0 0 23px}.markdown li{padding-left:4px;margin:5px 0}.markdown li::marker{color:var(--faint)}.markdown li p{margin-bottom:8px}.markdown blockquote{border-left:3px solid var(--accent);padding:12px 20px;color:var(--muted);margin:26px 0;background:var(--code);border-radius:0 7px 7px 0}.markdown blockquote p:last-child{margin:0}.markdown .callout{font-size:.92em;border:1px solid var(--border);border-left:3px solid var(--accent);background:var(--accent-bg);padding:16px 20px;color:var(--text)}.callout-title{color:var(--accent);font-size:13px;font-weight:650;margin-bottom:8px;text-transform:capitalize;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.markdown code{font: .84em/1.6 "SFMono-Regular",Consolas,"Liberation Mono",monospace;background:var(--code);padding:3px 6px;border-radius:4px;color:var(--accent)}.markdown pre{position:relative;background:var(--code);border:1px solid var(--border);border-radius:8px;padding:20px;margin:22px 0;overflow:auto;line-height:1.65}.markdown pre code{padding:0;background:none;color:var(--text);font-size:13px;display:block;overflow:auto;min-width:0}.copy-code{position:absolute;top:8px;right:8px;font:10px Inter,sans-serif;background:var(--code);border:1px solid var(--border);padding:4px 8px}.markdown pre code.hljs{background:none;padding:0}.hljs-keyword,.hljs-selector-tag,.hljs-title{color:#bb9bea}.hljs-string,.hljs-attr{color:#93bfaa}.hljs-number,.hljs-literal{color:#d5b585}.hljs-comment{color:var(--faint)}.markdown table{border-collapse:collapse;width:100%;font-size:.87em;margin:25px 0;display:block;overflow:auto}.markdown th,.markdown td{border-bottom:1px solid var(--border);padding:12px 16px;text-align:left;min-width:150px}.markdown th{background:var(--code);font-weight:600;color:var(--muted);font-size:.95em}.markdown tr:last-child td{border-bottom:0}.markdown hr{border:0;border-top:1px solid var(--border);margin:40px 0}.markdown mark{color:var(--text);background:var(--accent-bg);padding:2px 3px;border-radius:3px}.markdown mark.shared-highlight{background:#d9b85d;color:#211b12}.task-list-item{list-style:none}.task-list-item-checkbox{accent-color:var(--accent);margin-right:8px}.markdown .footnotes{font-size:.8em;color:var(--muted);margin-top:45px}.markdown .footnote-backref{text-decoration:none}.media-placeholder{font-size:12px;color:var(--muted);border:1px dashed var(--border);padding:8px 12px;border-radius:5px;display:inline-block}.diagram{border:1px solid var(--border);border-radius:8px;background:var(--code);padding:24px;margin:25px 0;overflow:auto;text-align:center}.diagram svg{max-width:100%;height:auto}.diagram-error{text-align:left}.diagram pre{border:0;padding:0;margin:0}.katex-display{overflow-x:auto;overflow-y:hidden;padding:12px 0}.document-footer{border-top:1px solid var(--border);margin-top:65px;padding-top:24px;display:flex;justify-content:space-between;color:var(--faint);font-size:10px;font-family:Inter,sans-serif}.document-footer span:first-child{font-style:italic}#error{padding:20px;background:var(--accent-bg);border-radius:8px;color:var(--text)}
#editor{width:40%;min-width:300px;border-left:1px solid var(--border);padding:24px;position:sticky;top:70px;height:calc(100vh - 70px);display:flex;flex-direction:column;background:var(--panel)}.editor-header{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted);letter-spacing:1px;margin-bottom:18px}.editor-header button{font-size:12px;letter-spacing:0;background:var(--accent-bg);color:var(--accent)}#source{width:100%;flex:1;resize:none;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:6px;padding:15px;font:13px/1.8 Consolas,monospace;tab-size:2}#editor p{font-size:11px;color:var(--muted)}.editing #sidebar{display:none}.selected{color:var(--accent)!important;background:var(--accent-bg)!important}
dialog{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:16px;padding:36px;width:440px;max-width:calc(100vw - 28px);box-shadow:0 25px 100px #0005;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}dialog::backdrop{background:#08060dc7;backdrop-filter:blur(5px)}.close{position:absolute;right:12px;top:10px;font-size:24px}.dialog-eyebrow{font-size:9px;letter-spacing:2px;color:var(--accent)}dialog h2{font-size:24px;font-weight:600;letter-spacing:-.7px;margin:12px 0 8px}dialog p{font-size:12px;color:var(--muted)}#qr-container{display:flex;justify-content:center;align-items:center;margin:26px 0;min-height:80px}#qr{width:240px!important;height:240px!important;max-width:100%;border-radius:10px}#qr-message{padding:20px;background:var(--bg);border:1px solid var(--border);border-radius:8px}.share-url{display:flex;gap:8px}#share-url{min-width:0;flex:1;background:var(--bg);color:var(--muted);border:1px solid var(--border);padding:10px;border-radius:7px;font:11px Consolas,monospace}.share-url button{font-size:12px}.share-extra{display:flex;justify-content:center;gap:10px;margin-top:12px}.share-extra button{font-size:11px}.share-note{text-align:center;font-size:10px!important;color:var(--faint)!important;margin-top:20px!important}#selection-actions{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--surface);border:1px solid var(--accent);border-radius:10px;padding:5px;box-shadow:0 8px 35px #0004;z-index:25;display:flex}#selection-actions button{font-size:12px;color:var(--text)}#selection-actions button:first-child{color:var(--accent)}#toast{position:fixed;bottom:24px;right:24px;max-width:calc(100vw - 48px);background:var(--surface);border:1px solid var(--border);padding:12px 18px;border-radius:8px;color:var(--text);z-index:100;font:12px/1.5 Inter,sans-serif;box-shadow:0 5px 20px #0003}
@media(min-width:1600px){main{max-width:1060px;padding-top:60px}}
@media(max-width:1100px){#sidebar{width:220px;padding:30px 18px}main{padding:40px 35px}.editing main{padding:35px 25px}}
@media(max-width:800px){.toolbar{height:60px;padding:0 12px;gap:6px}.brand{gap:7px}.brand a{font-size:16px;gap:7px}.brand-mark{width:25px;height:25px;font-size:19px}.brand-divider,#document-name{display:none}.actions{gap:2px}.actions button{padding:7px 9px;font-size:12px}.actions .icon-button{font-size:18px}#outline-toggle{display:block;padding:5px;font-size:18px}#sidebar{display:none;position:fixed;top:60px;left:0;height:calc(100dvh - 60px);width:265px;z-index:18;box-shadow:12px 0 50px #0005}.outline-open #sidebar{display:flex}.workspace{min-height:calc(100vh - 60px)}main{padding:32px 23px;max-width:760px}.document-meta{font-size:8px;margin-bottom:25px}.markdown{font-size:calc(var(--reading-size) - 1px);line-height:1.8}.markdown h1{font-size:1.9em;letter-spacing:-.8px}.markdown h2{margin-top:36px}.markdown table{font-size:.8em}.markdown th,.markdown td{padding:10px;min-width:130px}.editing .workspace{display:block}.editing main{padding:30px 23px}.editing #editor{width:100%;height:70vh;position:relative;top:0;border-left:0;border-top:1px solid var(--border);min-width:0}dialog{padding:28px 22px}#selection-actions{bottom:18px;max-width:calc(100vw - 24px)}.document-footer{margin-top:45px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.toolbar,#sidebar,#editor,#selection-actions,#toast,dialog,.copy-code{display:none!important}:root{--bg:white;--text:black;--muted:#555;--border:#ddd;--code:#f7f7f7;--accent:#554277;color-scheme:light}.workspace{display:block}main{padding:0;max-width:none}.markdown{font-size:11pt}pre,blockquote,.diagram{break-inside:avoid}.document-meta,.document-footer{color:#777}}