:root{color-scheme:light;--canvas: oklch(.985 .003 190);--surface: oklch(.972 .006 185);--surface-strong: oklch(.945 .012 180);--surface-hover: oklch(.93 .016 178);--selected: oklch(.91 .034 174);--ink: oklch(.22 .018 210);--ink-soft: oklch(.38 .022 205);--ink-muted: oklch(.46 .019 205);--line: oklch(.865 .012 190);--line-strong: oklch(.76 .019 190);--accent: oklch(.42 .077 174);--accent-strong: oklch(.34 .074 174);--danger: oklch(.46 .15 28);--success: oklch(.43 .09 155);--sans: "Avenir Next", "PingFang SC", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;--serif: "Iowan Old Style", "Noto Serif CJK SC", "Songti SC", Georgia, serif;--sidebar-width: 300px;--toolbar-height: 56px;--ease-out: cubic-bezier(.22, 1, .36, 1);--z-sticky: 10;--z-scrim: 20;--z-drawer: 30;--z-modal: 40;--z-toast: 50;font-family:var(--sans);color:var(--ink);background:var(--canvas);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html,body{width:100%;min-width:320px;min-height:100%}body{margin:0;overflow:hidden;background:var(--canvas)}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,a:focus-visible,[tabindex="-1"]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}[hidden]{display:none!important}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;clip-path:inset(50%)!important;border:0!important;white-space:nowrap!important}.skip-link{position:fixed;z-index:calc(var(--z-drawer) + 1);top:8px;left:8px;padding:8px 11px;transform:translateY(-150%);border-radius:7px;background:var(--ink);color:var(--canvas);font-size:13px;text-decoration:none;transition:transform .16s var(--ease-out)}.skip-link:focus{transform:translateY(0)}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);width:100%;height:100vh;height:100dvh}.library{display:flex;min-width:0;min-height:0;flex-direction:column;border-right:1px solid var(--line);background:var(--surface)}.library__header{display:flex;min-height:84px;align-items:center;justify-content:space-between;gap:12px;padding:18px 18px 14px}.library__identity{display:flex;min-width:0;align-items:center;gap:11px}.library__actions{display:flex;align-items:center;gap:2px}.brand-mark{display:grid;width:32px;height:32px;flex:0 0 auto;place-items:center;border-radius:9px;background:var(--accent);color:#fff;font-size:14px;font-weight:760;letter-spacing:-.02em}.library h1,.reader-toolbar h2{margin:0;color:var(--ink);font-size:15px;font-weight:680;letter-spacing:-.015em;line-height:1.3}.meta-text{margin:3px 0 0;overflow:hidden;color:var(--ink-muted);font-size:11px;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.icon-button,.action-button,.text-button,.primary-button{border:0;border-radius:8px;transition:background-color .16s var(--ease-out),color .16s var(--ease-out),opacity .16s var(--ease-out)}.icon-button{display:grid;width:40px;height:40px;flex:0 0 auto;place-items:center;background:transparent;color:var(--ink-soft)}.icon-button:hover{background:var(--surface-strong);color:var(--ink)}.icon-button svg,.action-button svg,.search-icon{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.library__close{display:none}.search-wrap{position:relative;margin:0 14px 13px}.search-wrap input{width:100%;height:40px;padding:0 46px 0 36px;border:1px solid var(--line);border-radius:9px;outline:0;background:var(--canvas);color:var(--ink);font-size:13px;transition:border-color .16s var(--ease-out),box-shadow .16s var(--ease-out),background-color .16s var(--ease-out)}.search-wrap input::placeholder{color:var(--ink-muted);opacity:1}.search-wrap input:hover{border-color:var(--line-strong)}.search-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #085a4a1f}.search-icon{position:absolute;top:11px;left:11px;z-index:1;color:var(--ink-muted)}.search-wrap kbd{position:absolute;top:10px;right:9px;min-width:28px;padding:2px 5px;border:1px solid var(--line);border-radius:5px;background:var(--surface);color:var(--ink-muted);font:10px/1.4 var(--sans);text-align:center}.report-tree{min-height:0;flex:1;overflow:auto;padding:0 9px max(18px,env(safe-area-inset-bottom));scrollbar-color:var(--line-strong) transparent;scrollbar-width:thin;overscroll-behavior:contain}.tree-branch{margin:0}.tree-branch+.tree-branch{margin-top:3px}.tree-branch>summary{display:grid;min-height:38px;grid-template-columns:14px minmax(0,1fr) auto auto;align-items:center;gap:7px;padding:6px 8px;border-radius:7px;color:var(--ink-soft);cursor:pointer;list-style:none;user-select:none}.tree-branch>summary::-webkit-details-marker{display:none}.tree-branch>summary:hover{background:var(--surface-strong);color:var(--ink)}.tree-branch--folder>summary{min-height:34px;font-size:12px;font-weight:610}.tree-chevron{width:6px;height:6px;transform:rotate(-45deg);border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transition:transform .18s var(--ease-out)}.tree-branch[open]>summary .tree-chevron{transform:rotate(45deg) translate(-1px,-1px)}.tree-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-count{color:var(--ink-muted);font-size:10px;font-variant-numeric:tabular-nums}.tree-children{margin-left:13px;padding-left:7px;border-left:1px solid var(--line)}.tree-report-row{display:grid;width:100%;min-height:40px;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:1px;border-radius:7px;background:transparent;color:var(--ink-soft);transition:background-color .15s var(--ease-out),color .15s var(--ease-out)}.tree-report-row:hover{background:var(--surface-strong);color:var(--ink)}.tree-report-row[aria-current=true]{background:var(--selected);color:var(--accent-strong)}.tree-report{display:grid;min-width:0;min-height:40px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:6px 4px 6px 8px;border:0;background:transparent;color:inherit;text-align:left}.tree-report__title{overflow:hidden;font-size:12px;font-weight:540;line-height:1.4;text-overflow:ellipsis;white-space:nowrap}.tree-report__date{color:var(--ink-muted);font-size:9px;font-variant-numeric:tabular-nums;white-space:nowrap}.tree-report-row[aria-current=true] .tree-report__date{color:var(--accent)}.tree-row-action{display:grid;width:32px;height:32px;flex:0 0 auto;place-items:center;border:0;border-radius:6px;background:transparent;color:var(--ink-muted)}.tree-row-action:hover{background:var(--canvas);color:var(--ink)}.tree-row-action:disabled{cursor:wait;opacity:.48}.tree-row-action svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.favorite-button.is-favorite{color:var(--accent)}.favorite-button.is-favorite svg{fill:currentColor}.manage-action{transition:background-color .15s var(--ease-out),color .15s var(--ease-out)}.tree-section-label{display:grid;min-height:32px;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:6px;margin-top:8px;padding:6px 8px;color:var(--ink-muted);font-size:11px;font-weight:650}.tree-section-label:first-child{margin-top:0}.tree-section-count{font-size:10px;font-variant-numeric:tabular-nums}.tree-section-add{display:grid;width:32px;height:32px;place-items:center;border:0;border-radius:7px;background:transparent;color:var(--accent-strong)}.tree-section-add:hover{background:var(--selected)}.tree-section-add svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}.tree-inline-empty{margin:0;padding:6px 8px 13px;color:var(--ink-muted);font-size:11px;line-height:1.5}.tree-loading{display:grid;gap:10px;padding:4px 17px}.tree-loading span,.skeleton{overflow:hidden;background:var(--surface-strong)}.tree-loading span{width:76%;height:12px;border-radius:4px}.tree-loading span:nth-child(2){width:90%}.tree-loading span:nth-child(3){width:68%}.tree-loading span:nth-child(4){width:84%}.tree-loading span:nth-child(5){width:58%}.tree-empty{padding:28px 18px;color:var(--ink-muted);font-size:12px;text-align:center}.tree-empty p{margin:0 0 8px}.text-button{padding:6px 8px;background:transparent;color:var(--accent);font-size:12px}.text-button:hover{background:var(--selected);color:var(--accent-strong)}.reader{display:flex;min-width:0;min-height:0;flex-direction:column;background:var(--canvas)}.reader-toolbar{position:relative;z-index:var(--z-sticky);display:flex;min-height:var(--toolbar-height);align-items:center;gap:11px;padding:8px 16px;border-bottom:1px solid var(--line);background:var(--canvas)}.reader-toolbar__menu{display:none}.reader-toolbar__context{min-width:0;flex:1}.reader-toolbar h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.action-button{display:inline-flex;min-height:36px;flex:0 0 auto;align-items:center;gap:6px;padding:0 9px;background:transparent;color:var(--ink-soft);font-size:12px}.action-button svg{width:16px;height:16px}.action-button:hover:not(:disabled){background:var(--surface-strong);color:var(--ink)}.action-button:disabled{cursor:default;opacity:.42}.action-button.is-success{color:var(--success)}.reader-scroll{min-height:0;flex:1;overflow:auto;scrollbar-color:var(--line-strong) transparent;scrollbar-width:thin;overscroll-behavior:contain}.reader-loading,.report-content{width:min(100% - 64px,72ch);margin:0 auto;padding:54px 0 96px}.reader-loading{display:grid;gap:15px}.skeleton{position:relative;height:12px;border-radius:4px}.skeleton:after,.tree-loading span:after{display:block;width:38%;height:100%;transform:translate(-140%);background:linear-gradient(90deg,transparent,oklch(.99 .003 190 / .78),transparent);content:"";animation:skeleton-sweep 1.25s var(--ease-out) infinite}.skeleton--title{width:66%;height:29px;margin-bottom:2px}.skeleton--meta{width:34%;height:10px;margin-bottom:30px}.skeleton--line{width:100%}.skeleton--short{width:72%}.skeleton--medium{width:86%}.skeleton--heading{width:38%;height:20px;margin:34px 0 4px}.reader-state{display:grid;width:min(100% - 48px,480px);min-height:calc(100% - 56px);margin:0 auto;place-content:center;justify-items:center;padding:48px 0 96px;text-align:center}.reader-state__symbol{display:grid;width:38px;height:38px;margin-bottom:14px;place-items:center;border-radius:10px;background:var(--surface-strong);color:var(--ink-muted);font-size:18px}.reader-state h3{margin:0;color:var(--ink);font-size:16px;font-weight:680}.reader-state p{max-width:36ch;margin:7px 0 0;color:var(--ink-muted);font-size:13px;line-height:1.6}.primary-button{min-height:38px;margin-top:18px;padding:0 14px;background:var(--accent);color:#fff;font-size:13px;font-weight:620}.primary-button:hover{background:var(--accent-strong)}.report-content{color:var(--ink);font-family:var(--serif);font-size:16px;line-height:1.82;overflow-wrap:anywhere}.report-content>:first-child{margin-top:0}.report-content>:last-child{margin-bottom:0}.report-content h1,.report-content h2,.report-content h3,.report-content h4,.report-content h5,.report-content h6{color:var(--ink);font-family:var(--sans);line-height:1.34;letter-spacing:-.025em;text-wrap:balance}.report-content h1{margin:0 0 1.3em;font-size:31px}.report-content h2{margin:2.35em 0 .72em;font-size:23px}.report-content h3{margin:1.9em 0 .58em;font-size:19px}.report-content h4,.report-content h5,.report-content h6{margin:1.65em 0 .5em;font-size:16px}.report-content p{margin:0 0 1.16em;text-wrap:pretty}.report-content strong{font-weight:730}.report-content a{color:var(--accent-strong);text-decoration-thickness:1px;text-underline-offset:3px}.report-content a:hover{color:var(--accent)}.report-content blockquote{margin:1.5em 0;padding:13px 16px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink-soft)}.report-content blockquote>:last-child{margin-bottom:0}.report-content ul,.report-content ol{margin:0 0 1.3em;padding-left:1.55em}.report-content li+li{margin-top:.34em}.report-content input[type=checkbox]{margin-right:8px;accent-color:var(--accent)}.report-content code{padding:.15em .36em;border-radius:4px;background:var(--surface-strong);color:#143735;font:.83em/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.report-content pre{overflow:auto;margin:1.6em 0;padding:16px 18px;border-radius:10px;background:#131f21;color:#eaf0ef;line-height:1.62;tab-size:2}.report-content pre code{padding:0;background:transparent;color:inherit}.report-content hr{height:1px;margin:2.5em 0;border:0;background:var(--line)}.report-content table{display:block;width:100%;overflow-x:auto;margin:1.6em 0 1.9em;border-collapse:collapse;font:13px/1.55 var(--sans);white-space:nowrap;-webkit-overflow-scrolling:touch}.report-content th,.report-content td{min-width:120px;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;white-space:normal}.report-content th{background:var(--surface);color:var(--ink-soft);font-weight:680;text-align:left}.report-content tbody tr:hover{background:#f0f7f6}.report-content img{display:block;max-width:100%;height:auto;margin:1.8em auto;border-radius:8px}.report-content details{margin:1.5em 0;padding:12px 14px;border:1px solid var(--line);border-radius:9px}.report-content summary{cursor:pointer;font-family:var(--sans);font-weight:650}.library-scrim{display:none}.dialog{width:min(92vw,480px);max-height:min(82vh,680px);padding:0;overflow:auto;border:0;border-radius:12px;background:var(--canvas);color:var(--ink);box-shadow:0 5px 8px #0a13152e}.dialog--compact{width:min(92vw,420px)}.dialog--actions{width:min(92vw,344px)}.dialog::backdrop{background:#0a131570}.dialog__body{display:grid;gap:16px;margin:0;padding:22px}.dialog__heading h2{margin:0;font-size:17px;line-height:1.35;letter-spacing:-.015em}.dialog__heading p{margin:6px 0 0;color:var(--ink-muted);font-size:12px;line-height:1.55}.dialog__footer{display:flex;justify-content:flex-end;gap:8px;margin-top:2px}.dialog--actions .dialog__body{gap:10px;padding:12px}.action-dialog__header{display:grid;grid-template-columns:minmax(0,1fr) 38px;align-items:start;gap:10px;padding:6px 7px 8px}.action-dialog__close{display:grid;width:38px;height:38px;place-items:center;border:0;border-radius:8px;background:transparent;color:var(--ink-muted)}.action-dialog__close:hover{background:var(--surface-strong);color:var(--ink)}.action-dialog__close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}.field-group{display:grid;gap:7px}.field-label{color:var(--ink-soft);font-size:12px;font-weight:620}.field-label--secondary{margin-top:7px}.field-input{width:100%;min-height:42px;padding:8px 10px;border:1px solid var(--line-strong);border-radius:8px;outline:0;background:var(--canvas);color:var(--ink);font:13px/1.4 var(--sans)}.field-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #085a4a1f}.field-error{margin:-4px 0 0;color:var(--danger);font-size:12px;line-height:1.5}.secondary-button,.danger-button{min-height:38px;padding:0 14px;border:0;border-radius:8px;font-size:13px;font-weight:620}.secondary-button{background:var(--surface-strong);color:var(--ink-soft)}.secondary-button:hover{background:var(--surface-hover);color:var(--ink)}.danger-button{background:var(--danger);color:#fff}.danger-button:hover{filter:brightness(.92)}.primary-button:disabled,.secondary-button:disabled,.danger-button:disabled{cursor:wait;opacity:.55}.dialog .primary-button{margin-top:0}.action-list{display:grid;gap:2px;padding-top:7px;border-top:1px solid var(--line)}.action-list__button{display:grid;min-height:46px;grid-template-columns:22px minmax(0,1fr) auto;align-items:center;gap:10px;padding:0 11px;border:0;border-radius:8px;background:transparent;color:var(--ink-soft);font-size:13px;text-align:left}.action-list__button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.action-list__arrow{color:var(--ink-muted);font-size:20px;font-weight:400}.action-list__button:hover{background:var(--surface-strong);color:var(--ink)}.action-list__button--danger{color:var(--danger)}.action-list__button--danger{margin-top:5px;border-top:1px solid var(--line);border-radius:0 0 8px 8px}.action-list__button--danger:hover{background:#fce5e2;color:var(--danger)}.toast{position:fixed;z-index:var(--z-toast);right:18px;bottom:18px;max-width:min(360px,calc(100vw - 36px));margin:0;padding:10px 13px;border-radius:8px;background:var(--ink);color:var(--canvas);font:12px/1.5 var(--sans)}.toast--error{background:var(--danger);color:#fff}@keyframes skeleton-sweep{to{transform:translate(360%)}}@media(max-width:760px){:root{--toolbar-height: 62px}.app-shell{display:block}.library{position:fixed;z-index:var(--z-drawer);inset:0 auto 0 0;width:min(88vw,350px);height:100vh;height:100dvh;padding-top:env(safe-area-inset-top);transform:translate(-100%);border-right:0;transition:transform .22s var(--ease-out)}.library-open .library{transform:translate(0)}.library__close{display:grid;width:44px;height:44px}.search-wrap input{height:44px;padding-left:38px;font-size:16px}.search-icon{top:13px}.search-wrap kbd{display:none}.tree-branch>summary,.tree-report-row,.tree-report{min-height:44px}.tree-row-action,.tree-section-add{width:44px;height:44px}.library-scrim{position:fixed;z-index:var(--z-scrim);inset:0;display:block;visibility:hidden;border:0;background:#0a13156b;opacity:0;pointer-events:none;transition:opacity .18s var(--ease-out),visibility .18s var(--ease-out)}.library-open .library-scrim{visibility:visible;opacity:1;pointer-events:auto}.reader{width:100%;height:100vh;height:100dvh}.reader-toolbar{min-height:calc(var(--toolbar-height) + env(safe-area-inset-top));padding:calc(8px + env(safe-area-inset-top)) 8px 8px}.reader-toolbar__menu{display:grid;width:44px;height:44px}.reader-toolbar h2{font-size:14px}.action-button{min-width:44px;min-height:44px;padding:0 10px}.action-button span{display:none}.reader-loading,.report-content{width:min(100% - 38px,72ch);padding:34px 0 max(72px,env(safe-area-inset-bottom))}.report-content{font-size:16px;line-height:1.78}.report-content h1{font-size:27px}.report-content h2{margin-top:2.1em;font-size:21px}.report-content h3{font-size:18px}.report-content pre{margin-inline:-3px;padding:14px;font-size:13px}.reader-state{padding-bottom:max(72px,env(safe-area-inset-bottom))}.dialog{width:min(94vw,480px)}.dialog__body{padding:20px}.dialog--actions .dialog__body{padding:12px}.field-input{min-height:44px;font-size:16px}.secondary-button,.danger-button,.dialog .primary-button{min-height:44px}.toast{right:12px;bottom:max(12px,env(safe-area-inset-bottom))}}@media(max-width:380px){.reader-toolbar{gap:6px}.reader-toolbar .meta-text{max-width:58vw}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}