:is(.app,.fm-app) ::-webkit-scrollbar{width:10px;height:10px}:is(.app,.fm-app) ::-webkit-scrollbar-thumb{background:#20180e2e;border-radius:5px;border:3px solid transparent;background-clip:padding-box}:is(.app,.fm-app) ::-webkit-scrollbar-thumb:hover{background:#20180e4d;background-clip:padding-box}:is(.app,.fm-app) ::-webkit-scrollbar-track{background:transparent}@supports not selector(::-webkit-scrollbar){:is(.app,.fm-app) *{scrollbar-width:thin;scrollbar-color:rgba(32,24,14,.22) transparent}}.app button{font-family:inherit;border:none;background:none;padding:0;color:inherit;cursor:pointer}.app{display:flex;height:var(--app-h);border-radius:var(--radius-window);overflow:hidden;background:var(--paper);box-shadow:var(--shadow-win),var(--edge-highlight);font-family:var(--font-ui);color:var(--text-body);user-select:none}.side{background-color:var(--sidebar);background-image:linear-gradient(180deg,#ffffff80,#fff0 160px),radial-gradient(circle at 1px 1px,var(--texture-dot) 1px,transparent 1.5px);background-size:100% 100%,4px 4px;border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;min-height:0;overflow:hidden}.masthead{height:var(--bar-h);flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border-subtle);box-shadow:var(--edge-highlight)}.lights{display:flex;gap:8px}.lights i{width:12px;height:12px;border-radius:50%;display:block}.lights i:nth-child(1){background:#ec6a5e}.lights i:nth-child(2){background:#f4bf4f}.lights i:nth-child(3){background:#61c554}.masthead-logo{width:28px;height:28px;margin-right:-5px;display:flex;align-items:center;justify-content:center;color:var(--accent)}.side-scroll{padding:0 14px;overflow:auto;flex:1;min-height:0}.search-field{display:flex;align-items:center;gap:6px;height:28px;padding:0 7px;margin:10px 0 18px;border-radius:8px;background:#1e1c190b;box-shadow:inset 0 1px 2px #1e1c190f;font-size:12.5px;color:var(--text-muted)}.search-field svg{width:14px;height:14px;flex-shrink:0}.side-label{font-size:11px;font-weight:500;letter-spacing:.06em;color:var(--text-faint);padding:0 6px 6px}.doc-row{display:flex;align-items:center;gap:9px;width:100%;height:26px;padding:0 6px;border-radius:5px;font-size:13px;color:var(--text-secondary);text-align:start;border:none;background:none;font-family:inherit;cursor:pointer;transition:color var(--dur-fast) var(--ease),background-color var(--dur-fast) var(--ease)}.library-tree{display:flex;flex-direction:column;gap:1px}.folder-toggle{display:flex;align-items:center;gap:7px;width:100%;height:27px;padding:0 6px;border-radius:5px;font-size:var(--fs-ui);color:var(--text-primary);text-align:start;transition:background-color var(--dur-fast) var(--ease)}.folder-toggle:hover{background-color:#201e1c0d}.folder-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chevron{display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-muted);transition:transform var(--dur-fast) var(--ease)}.chevron svg{width:14px;height:14px;display:block;stroke-width:1.8}.chevron.is-open{transform:rotate(90deg)}.folder-children{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows var(--dur-base) var(--ease),opacity var(--dur-base) var(--ease)}[data-folder].is-open>.folder-children{grid-template-rows:1fr;opacity:1}.folder-children-inner{overflow:hidden;display:flex;flex-direction:column;gap:1px;padding-inline-start:17px}.doc-icon{display:flex;align-items:center;flex-shrink:0;color:var(--text-muted)}.doc-icon svg{width:14px;height:14px;display:block;stroke-width:1.6}.doc-row[aria-current=true] .doc-icon{color:var(--accent)}.doc-row svg{width:14px;height:14px;flex:none;color:var(--text-faint)}.doc-row:hover{background-color:var(--accent-soft)}.doc-row[aria-current=true]{color:var(--accent);font-weight:500}.doc-row[aria-current=true] svg{color:var(--accent)}.side-foot{border-top:1px solid var(--border-subtle);padding:12px 14px 10px;flex:none;display:flex;flex-direction:column;gap:2px}.open-library-side{display:flex;align-items:center;gap:8px;width:100%;padding:6px 8px;border-radius:5px;font-size:12.5px;color:var(--text-muted);text-align:start}.footer-icon{display:inline-flex;flex-shrink:0}.footer-icon svg{width:14px;height:14px;color:var(--text-faint)}.library-switch-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.library-switch-caret{display:inline-flex;flex-shrink:0;opacity:.5}.library-switch-caret svg{width:12px;height:12px;color:var(--text-faint)}.side{flex:0 0 var(--sidebar-w);transition:flex-basis var(--dur-base) var(--ease)}.main-col{position:relative;flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}.toolbar{position:absolute;top:0;left:0;right:0;z-index:20;height:var(--bar-h);display:flex;align-items:center;gap:4px;padding:0 24px;background-color:var(--chrome-glass);-webkit-backdrop-filter:var(--chrome-blur);backdrop-filter:var(--chrome-blur);border-bottom:1px solid var(--chrome-hairline);box-shadow:var(--elev-bar-down);transform:translateZ(0);min-width:0}.nav-btn{flex:0 0 auto;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:6px;border:none;background:none;color:var(--text-interactive);cursor:default}.nav-btn svg{width:15px;height:15px;display:block}.nav-btn:disabled{color:var(--text-faint);opacity:.5}.tab{display:flex;align-items:center;gap:4px;height:28px;max-width:180px;min-width:104px;padding:0 4px 0 10px;margin-left:6px;border-radius:7px;font-size:12.5px;color:var(--text-primary);background:var(--paper);box-shadow:0 1px 2px #201e1c1f}.tab-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tab-close{width:18px;height:18px;display:grid;place-items:center;border-radius:4px;color:var(--text-faint);flex:none}.tab-close 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22px;justify-content:center;font-family:var(--font-ui);font-size:12.5px;color:var(--text-muted);margin-top:26px}.kbd{font-family:var(--font-mono);font-size:11px;border:1px solid var(--border-subtle);border-radius:4px;padding:2px 7px;color:var(--text-muted);background:color-mix(in srgb,var(--sidebar) 50%,transparent)}@media(min-width:1440px){.app-anchor{--mark-top: 92px;--mark-bottom: 56px}.app-stage{max-width:min(1340px,calc(100vw - 96px))}.agent{flex-basis:344px}.app[data-asset=drawing] .side{flex-basis:212px}.app[data-asset=drawing] .agent{flex-basis:320px}.marks{display:block}.try-hint{display:none}}@media(min-width:1600px){.mark.mark-agent{top:30%;left:auto;right:-8px}.mark.mark-agent .arrow-down{display:none}.mark.mark-agent .arrow-side{display:block;left:-5px;top:-7px;width:45px;height:21px}.mark.mark-agent .mark-label{inset:50% auto auto 44px;transform:translateY(calc(-50% + 6px))}.marks.is-in .mark.mark-agent .mark-label{transform:translateY(-50%)}}@media(max-width:1240px){.side{flex-basis:214px}.agent{flex-basis:330px}}@media(max-width:1080px){[data-panel-host],.agent,.app[data-agent=on] .agent{display:none}}@media(max-width:900px){.app-anchor{--app-h: clamp(520px, 74vh, 680px)}.app{animation:none!important;opacity:1;transform:none}.side{display:none}}@media(max-width:640px){.app-anchor{--app-h: clamp(460px, 70vh, 560px)}.app{border-radius:14px}.paper-fallback{padding-left:18px;padding-right:18px}.tools .icon-btn[data-optional],.tool-div{display:none}}.fm-menu{position:fixed;z-index:1000;min-width:160px;padding:6px;border-radius:12px;background-color:#f6f3ecd1;background-image:radial-gradient(circle at 1px 1px,rgba(32,30,28,.03) 1px,transparent 1.5px);background-size:5px 5px;-webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);box-shadow:inset 0 1px #ffffffb3,0 0 0 .5px #201e1c14,0 2px 6px #1e1c190d,0 22px 48px -14px #1e1c1966;animation:fm-menu-pop .42s var(--ease) both}@keyframes fm-menu-pop{0%{opacity:0;transform:scale(.95) translateY(-4px)}to{opacity:1;transform:none}}.fm-menu-hl{position:absolute;left:6px;right:6px;top:0;height:0;border-radius:8px;background:var(--accent-soft);opacity:0;pointer-events:none;z-index:0;transition:transform .3s var(--ease),height .3s var(--ease),opacity .22s ease,background-color .22s ease}.fm-menu-hl.is-danger{background:#a5342a17}.fm-menu-sep{height:1px;margin:5px 9px;background:linear-gradient(90deg,transparent,rgba(32,30,28,.13),transparent)}.fm-menu-item{position:relative;z-index:1;display:flex;align-items:center;gap:10px;width:100%;padding:6px 11px 6px 13px;border:none;border-radius:8px;font-family:var(--font-ui);font-size:13px;letter-spacing:.02em;color:var(--text-body);text-align:start;background:transparent;cursor:pointer;white-space:nowrap}.fm-menu-icon{display:flex;align-items:center;flex-shrink:0;color:var(--text-muted);transition:color var(--dur-fast) var(--ease),transform var(--dur-base) var(--ease)}.fm-menu-icon svg{width:14px;height:14px;display:block}.fm-menu-item:hover .fm-menu-icon,.fm-menu-item:focus-visible .fm-menu-icon{color:var(--accent);transform:translate(1px)}.fm-menu-label{flex:1;min-width:0}.fm-menu-check{display:flex;align-items:center;flex-shrink:0;margin-left:6px;color:var(--accent);opacity:0;transform:scale(.7);transition:opacity var(--dur-fast) var(--ease),transform var(--dur-base) var(--ease)}.fm-menu-check svg{width:13px;height:13px;display:block}.fm-menu-item.is-checked .fm-menu-check{opacity:1;transform:none}.fm-menu-item.is-checked{color:var(--text-primary);font-weight:600}.fm-menu-item.is-checked .fm-menu-icon{color:var(--accent)}.fm-menu-item.is-danger,.fm-menu-item.is-danger .fm-menu-icon,.fm-menu-item.is-danger:hover .fm-menu-icon{color:#a5342a}.app,.fm-app{--canvas: #14110e;--canvas-glow: #241f19;--paper: #f7f5f0;--sidebar: #efede7;--texture-dot: rgba(32, 30, 28, .04);--texture-dot-chrome: rgba(32, 30, 28, .02);--edge-highlight: inset 0 1px 0 rgba(255, 252, 247, .5);--elev-bar-down: 0 6px 20px -18px rgba(32, 30, 28, .42);--elev-bar-up: 0 -6px 18px -18px rgba(32, 30, 28, .34);--chrome-glass: rgba(247, 245, 240, .72);--chrome-blur: saturate(180%) blur(20px);--chrome-hairline: rgba(32, 30, 28, .07);--text-primary: #201d19;--text-body: #38332c;--text-secondary: #5a544a;--text-muted: #6f6a62;--text-faint: #a7a199;--text-disabled: #c6c1b9;--text-interactive: #6b675f;--border-subtle: rgba(32, 30, 28, .08);--border-strong: rgba(32, 30, 28, .14);--accent: #6e1f2c;--accent-soft: rgba(110, 31, 44, .09);--selection: rgba(26, 115, 232, .22);--selection-focused: rgba(26, 115, 232, .32);--mark-highlight: rgba(255, 205, 80, .42);--ok-dot: #435233;--gold: #b08d4f;--popover-glass: rgba(249, 247, 242, .86);--popover-blur: saturate(180%) blur(24px);--tooltip-bg: rgba(30, 27, 24, .94);--tooltip-text: #f4f1ea;--tooltip-hint: rgba(244, 241, 234, .58);--danger: #a5342a;--danger-soft: rgba(165, 52, 42, .09);--danger-strong: rgba(165, 52, 42, .16);--diff-add-bg: rgba(67, 82, 51, .14);--diff-add-text: #2f4022;--diff-del-bg: rgba(165, 52, 42, .12);--diff-del-text: #7d2b23;--fs-scale: 1;--fs-hero: calc(52px * var(--fs-scale));--fs-h2: calc(21px * var(--fs-scale));--fs-h3: calc(18px * var(--fs-scale));--fs-h4: calc(16px * var(--fs-scale));--fs-h5: calc(15px * var(--fs-scale));--fs-body-lg: calc(15.5px * var(--fs-scale));--fs-body: calc(15px * var(--fs-scale));--fs-source: calc(13.5px * var(--fs-scale));--fs-code: calc(13px * var(--fs-scale));--fs-ui: 13px;--fs-ui-sm: 12.5px;--fs-caption: 11px;--fs-label: 11px;--sidebar-w: 240px;--outline-w: 220px;--bar-h: 52px;--traffic-space: 62px;--statusbar-h: 30px;--content-max: 700px;--source-max: 660px;--radius-window: 20px;--radius-panel: 10px;--gap-section: 24px;--gap-item: 8px;--dur-fast: .12s;--dur-base: .2s;--dur-enter: .42s;--dur-panel: .24s;--ease-out: cubic-bezier(.22, 1, .36, 1);--focus-ring: 0 0 0 2px var(--paper), 0 0 0 4px var(--accent);color-scheme:light;color:var(--text-primary)}@layer fm-app-base{.app button,.fm-app button{font-family:inherit;border:none;background:none;padding:0;color:inherit;cursor:pointer}.app button:focus-visible,.fm-app button:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:4px}}.app{--font-content-mono: var(--font-mono);--font-ui-mono: var(--font-mono);--font-content-serif: var(--font-content);--font-content-sans: var(--font-ui);--content-max: 640px}.paper{position:relative;flex:1;min-width:0;display:flex;overflow:hidden;background-color:var(--paper)}[data-panel-host]{display:flex;min-height:0}[data-panel-host]:empty{display:none}.app .cm-editor:focus-visible,.app .cm-editor [contenteditable]:focus-visible,.app .cm-content:focus-visible{box-shadow:none;border-radius:0}.app .cm-editor.cm-typewriter-mode .cm-content{padding-bottom:calc(var(--app-h) * .58)}.asset-view{flex:1;min-width:0;display:flex;position:relative}.asset-view>*{flex:1;min-width:0}.asset-loading{flex:1;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text-muted)}.app[data-asset=drawing] .paper,.app[data-asset=mermaid] .paper{background-image:none}.app:not([data-asset=off]) [data-panel-host],.app:not([data-asset=off]) [data-doc-only]{display:none}.app[data-asset=off] .asset-stat{display:none}.app .doc-icon.is-asset svg{stroke-width:1.8}.app .wysiwyg-view,.app .split-view{flex:1;min-width:0}.app .wysiwyg-view,.app .split-view,.app .split-source,.app .split-preview,.app .cm-live-editor-wrap{animation:none}@media(max-width:760px){.app .cm-live-editor-wrap .cm-scroller{padding-left:18px;padding-right:18px}.app .split-view{flex-direction:column}.app .split-source{width:100%!important;height:40%}.app .split-divider{width:auto;height:7px;cursor:row-resize}.app .split-divider:before{inset:50% 0 auto;width:auto;height:1px;transform:translateY(-50%)}}