/* Reimu theme variables also control the editor, controls and PDF settings. */
#content:has(.tools-shell) { max-width: 1520px; }
#content:has(.tools-shell) > #sidebar { display: none; }
#content:has(.tools-shell) > #main { width: 100%; max-width: 100%; min-width: 0; margin: 0; padding: 0 24px; }
.tools-shell { --tools-ink: var(--color-default); --tools-muted: var(--grey-9); --tools-line: var(--color-h2-border); --tools-soft: var(--color-code-background); --tools-radius: 12px; margin: 20px 0 42px; color: var(--tools-ink); font-size: 14px; line-height: 1.65; color-scheme: light; }
[data-theme="dark"] .tools-shell { color-scheme: dark; }
.tools-shell, .tools-shell *, .tools-shell *::before, .tools-shell *::after { box-sizing: border-box; }
.tools-shell [hidden] { display: none !important; }
.tools-shell button, .tools-shell input, .tools-shell select, .tools-shell textarea { font: inherit; }
.tools-shell button, .tools-shell input, .tools-shell select { color: inherit; }
.tools-shell button { cursor: pointer; }
.tools-shell button:disabled { opacity: .45; cursor: default; transform: none; }
.tools-shell a { text-decoration: none; }
.tools-shell code { font-family: Consolas, "SFMono-Regular", monospace; font-size: .92em; }
.tools-shell :is(button,input,select,textarea,a,[tabindex]):is(:focus,:focus-visible) { outline: none; }
.tools-shell :is(input,select,textarea):is(:focus,:focus-visible) { border: 0; box-shadow: none; }
.tool-icon { display: block; flex-shrink: 0; }
.tool-heading { display: flex; flex-shrink: 0; justify-content: space-between; gap: 12px; align-items: center; margin: 0; padding: 16px 20px; border-bottom: 1px solid var(--tools-line); }
.tools-breadcrumb { display: flex; align-items: center; gap: 12px; color: var(--tools-muted); font-size: 13px; }
.tools-breadcrumb a, .tools-sibling { color: var(--color-link); transition: opacity .3s; }
.tools-breadcrumb a:hover, .tools-sibling:hover { opacity: .7; }
.tools-sibling { font-size: 13px; }
.tool-editor-frame { background: var(--color-wrap); border-radius: var(--tools-radius); box-shadow: var(--shadow-card); overflow: hidden; }
.tool-toolbar { display: flex; flex-shrink: 0; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 20px; border-bottom: 1px solid var(--tools-line); }
.toolbar-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.toolbar-actions .fullscreen-button { min-height: 36px; }
.tool-button { display: inline-flex; justify-content: center; align-items: center; gap: 7px; min-height: 36px; padding: 7px 13px; border: 0; border-radius: 8px; background: var(--tools-soft); color: var(--tools-ink); font-size: 13px; line-height: 1.4; white-space: nowrap; transition: transform .3s, box-shadow .3s, background-color .3s, color .3s, opacity .3s; }
.tool-button:hover { color: var(--color-link); }
.tool-button-lift:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }
.tool-button-primary { color: #fff !important; background: var(--red-1); }
.tool-button-primary:hover { color: #fff !important; background: var(--red-2); }
.tool-button-small { min-height: 30px; padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.tool-button-small .tool-icon { width: 16px; height: 16px; }
.direction-switch { display: inline-flex; gap: 4px; border: 0; border-radius: 9px; padding: 4px; background: var(--tools-soft); }
.direction-switch .tool-button { background: transparent; min-height: 32px; }
.direction-switch .tool-button.is-active { color: var(--color-link); background: var(--color-wrap); box-shadow: 0 1px 5px var(--color-hover-shadow); }
.workspace-controls { display: flex; flex-shrink: 0; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 20px; border-bottom: 1px solid var(--tools-line); font-size: 12px; color: var(--tools-muted); }
.code-option, .settings-checkbox { display: flex; gap: 7px; align-items: center; }
.tools-shell input[type="checkbox"] { accent-color: var(--red-1); width: 14px; height: 14px; flex-shrink: 0; }
.fullscreen-button > span { display: inline-flex; align-items: center; }
.tool-workspace { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); height: clamp(500px,72vh,850px); overflow: hidden; background: var(--color-wrap); }
.tool-pane { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.tool-pane + .tool-pane { border-left: 1px solid var(--tools-line); }
.pane-heading { display: flex; flex-shrink: 0; align-items: center; justify-content: space-between; min-height: 50px; padding: 7px 18px; border-bottom: 1px solid var(--tools-line); background: var(--tools-soft); font-size: 12px; gap: 8px; }
.pane-heading > label { font-weight: 600; }
.pane-heading .tool-button { background: var(--color-wrap); box-shadow: 0 1px 4px var(--color-hover-shadow); }
.pane-heading .tool-button:hover { opacity: .75; }
.pane-heading .preview-tab.is-active { color: var(--color-link); background: var(--red-5-5); box-shadow: none; }
.pane-actions { display: flex; align-items: center; gap: 8px; }
.pane-meta { font-size: 11px; color: var(--tools-muted); white-space: nowrap; }
.tool-icon-button { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; padding: 6px; border: 0; border-radius: 6px; background: transparent; color: var(--tools-muted); transition: opacity .3s, background-color .3s; }
.tool-icon-button:hover { opacity: .7; background: var(--color-wrap); }
.tool-editor { display: block; flex: 1; width: 100%; height: 100%; min-height: 0; resize: none; border: 0; border-radius: 0; padding: 22px; background: var(--color-wrap); color: var(--tools-ink); font: 13px/1.9 Consolas,"SFMono-Regular","Microsoft YaHei",monospace !important; tab-size: 4; overflow-wrap: anywhere; scrollbar-width: thin; scrollbar-color: var(--tools-muted) transparent; }
.tool-editor::placeholder { color: var(--tools-muted); opacity: .7; }
.tool-scroll-mirror { position: fixed; left: -100000px; top: 0; height: auto; border: 0; visibility: hidden; pointer-events: none; white-space: pre-wrap; overflow-wrap: anywhere; }
.document-name { display: flex; align-items: center; gap: 10px; min-width: 0; }
.document-name label { font-size: 12px; color: var(--tools-muted); white-space: nowrap; }
.document-name input { min-width: 80px; width: 160px; height: 36px; padding: 7px 10px; border: 0; border-radius: 8px; background: var(--tools-soft); font-size: 13px; }
.preview-tabs { display: flex; align-items: center; gap: 6px; }
.md-preview { flex: 1; min-height: 0; overflow: auto; padding: 24px 30px !important; line-height: 1.85; scrollbar-width: thin; font-size: 15px; overflow-wrap: anywhere; }
.md-preview > :first-child { margin-top: 0; }
.md-preview > :last-child { margin-bottom: 0; }
.md-preview, .md-preview :is(p,h1,h2,h3,h4,h5,h6,li,th,td) { color: var(--tools-ink); }
.tools-shell[data-pdf-font="yahei"] .md-preview { font-family: "Microsoft YaHei","Microsoft YaHei UI",sans-serif; }
.md-preview h1 { font-size: 1.85em; }
.md-preview h2 { font-size: 1.5em; }
.md-preview h3 { font-size: 1.2em; }
.md-preview .md-front-matter { margin: 0 0 1.6em; padding-bottom: 1.25em; border-bottom: 1px solid var(--tools-line); }
.md-preview .md-front-matter-title { margin: 0 0 .3em; line-height: 1.45; }
.md-preview .md-front-matter-description { margin: 0 0 .8em; color: var(--tools-muted); }
.md-preview .md-front-matter-meta { display: flex; flex-wrap: wrap; gap: .35em 1.4em; font-size: .85em; line-height: 1.7; color: var(--tools-muted); }
@font-face { font-family: "Meze Code"; src: url("./fonts-pdf/code-regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
.md-preview pre { position: relative; margin: 1.1em 0; padding: 16px; border-radius: 6px; background: var(--highlight-background); color: var(--highlight-foreground); overflow: auto; line-height: 1.6; }
.tools-shell .md-preview pre, .tools-shell .md-preview code { font-family: "Meze Code",Consolas,monospace !important; font-weight: 400 !important; font-variant-ligatures: none; font-feature-settings: "liga" 0,"calt" 0; }
.md-preview pre code { display: block; padding: 0; background: transparent; color: inherit; font-size: var(--tools-code-size,10pt); white-space: pre; }
.md-preview :not(pre) > code { padding: .15em .35em; background: var(--color-code-background); border-radius: 3px; }
.md-preview table { width: 100%; border-collapse: collapse; display: block; overflow: auto; margin: 1em 0; }
.md-preview th, .md-preview td { padding: 8px 12px; border: 1px solid var(--tools-line); }
.md-preview th { background: var(--tools-soft); font-weight: 600; }
.md-preview input[type="checkbox"] { vertical-align: middle; }
.md-preview .md-task-checkbox { cursor: pointer; accent-color: var(--red-1); }
.md-preview img { max-width: 100%; height: auto; filter: none !important; }
.md-preview blockquote { border-left: 3px solid var(--red-1); margin: 1em 0; padding: 5px 16px; color: var(--tools-muted); background: var(--tools-soft); }
.md-preview .katex-display { overflow-x: auto; overflow-y: hidden; padding: 5px 0; }
.md-preview .katex { font-size: 1.08em; }
.md-preview .math-error { color: var(--red-1); border-bottom: 1px dotted var(--red-1); font-family: monospace; }
.md-page-break { display: flex; align-items: center; gap: 10px; margin: 24px 0; font-size: 11px; color: var(--tools-muted); }
.md-page-break::before, .md-page-break::after { content:''; flex:1; border-top:1px dashed var(--color-border); }
.md-preview .hljs-comment,.md-preview .hljs-quote { color:var(--highlight-comment); }
.md-preview .hljs-keyword,.md-preview .hljs-selector-tag,.md-preview .hljs-literal { color:var(--highlight-red); }
.md-preview .hljs-string,.md-preview .hljs-regexp { color:var(--highlight-aqua); }
.md-preview .hljs-number,.md-preview .hljs-built_in { color:var(--highlight-orange); }
.md-preview .hljs-title,.md-preview .hljs-function { color:var(--highlight-purple); }
.md-preview .hljs-type,.md-preview .hljs-attr { color:var(--highlight-blue); }
.pdf-preview { position: relative; display: flex; flex: 1; min-height: 0; background: var(--color-background); }
.pdf-pages { display: flex; flex-direction: column; width: 100%; height: 100%; min-height: 0; }
.pdf-continuous-viewer { display: flex; flex-direction: column; width: 100%; height: 100%; min-height: 0; }
.pdf-viewer-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-shrink: 0; min-height: 44px; padding: 6px 14px; border-bottom: 1px solid var(--tools-line); background: var(--color-wrap); font-size: 11px; color: var(--tools-muted); }
.pdf-canvas-scroll { position: relative; overflow: auto; padding: 18px; flex: 1; min-height: 0; scrollbar-width: thin; overscroll-behavior: contain; }
.pdf-page { position: relative; width: 100%; margin: 0 auto 18px; background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,.12); overflow: hidden; }
.pdf-page:last-child { margin-bottom: 0; }
.pdf-page-canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; background: #fff; }
.pdf-page-loading { position: absolute; inset: 0; display: flex; justify-content: center; align-items: center; color: #888; font-size: 12px; }
.pdf-page[data-rendered="true"] .pdf-page-loading { display: none; }
.pdf-page:not([data-rendered="true"]) .pdf-page-canvas { visibility: hidden; }
.pdf-placeholder { display: flex; flex: 1; flex-direction: column; justify-content: center; align-items: center; min-height: 0; padding: 30px; text-align: center; }
.pdf-paper-icon { display: flex; justify-content: center; align-items: center; width: 58px; height: 74px; border: 1px solid var(--tools-line); border-radius: 5px 12px 5px 5px; font: 13px Consolas,monospace; color: var(--tools-muted); background: var(--color-wrap); margin-bottom: 24px; }
.pdf-stale { position: absolute; left: 12px; right: 12px; bottom: 12px; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 15px; background: var(--color-wrap); box-shadow: var(--shadow-card); border-radius: 8px; font-size: 12px; }
.pdf-settings { flex-shrink: 0; border-bottom: 1px solid var(--tools-line); padding: 18px 20px; }
.settings-heading { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.settings-heading h2 { font-size: 14px; margin: 0; }
.settings-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px 20px; }
.settings-grid > label:not(.settings-checkbox), .setting-select { display: block; min-width: 0; font-size: 12px; }
.settings-grid > label > span:not(.tool-number-field):not(.tool-select-field) { color: var(--tools-muted); font-size: 10px; margin-left: 5px; }
.settings-grid input[type="text"] { display: block; width: 100%; height: 38px; border: 0; border-radius: 8px; padding: 8px 11px; background: var(--tools-soft); color: var(--tools-ink); font-size: 13px; }
.settings-grid input[type="text"] { margin-top: 6px; }
.tool-select-trigger { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; height: 38px; margin-top: 6px; padding: 8px 13px 8px 11px; border: 0; border-radius: 8px; background: var(--tools-soft); color: var(--tools-ink); font-size: 13px; text-align: left; }
.tool-select-trigger > [data-select-value] { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tool-select-arrow { flex-shrink: 0; width: 7px; height: 7px; margin: -3px 2px 0 0; border-right: 1.5px solid var(--tools-muted); border-bottom: 1.5px solid var(--tools-muted); transform: rotate(45deg); transition: transform .2s; }
.tool-select-trigger[aria-expanded="true"] .tool-select-arrow { transform: translateY(3px) rotate(225deg); }
.tool-select-menu { position: fixed; inset: auto; z-index: 4001; margin: 0; padding: 5px; border: 0; border-radius: 8px; background: var(--color-wrap); color: var(--tools-ink); box-shadow: var(--shadow-card-hover); overflow: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.tool-select-menu::backdrop { background: transparent; }
.tool-select-option { display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; min-height: 34px; padding: 7px 10px; border: 0; border-radius: 5px; background: transparent; color: inherit; font-size: 13px; line-height: 1.5; text-align: left; transition: background-color .15s, color .15s; }
.tool-select-option:hover, .tool-select-option.is-highlighted { background: var(--tools-soft); }
.tool-select-option[aria-selected="true"] { color: var(--color-link); }
.tool-select-option[aria-selected="true"]::after { content: "✓"; font-size: 12px; }
.tool-number-field { display: grid; grid-template-columns: 30px minmax(0,1fr) 30px; align-items: center; height: 38px; margin-top: 6px; padding: 3px; border-radius: 8px; background: var(--tools-soft); }
.tool-number-field input { appearance: textfield; min-width: 0; width: 100%; padding: 3px; text-align: center; border: 0; background: transparent; font-size: 13px; }
.tool-number-field input::-webkit-inner-spin-button, .tool-number-field input::-webkit-outer-spin-button { appearance: none; margin: 0; }
.number-step { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; padding: 0; border: 0; border-radius: 5px; background: transparent; color: var(--tools-muted); transition: background-color .3s, color .3s; }
.number-step:hover { background: var(--color-wrap); color: var(--tools-ink); }
.number-step .tool-icon { width: 14px; height: 14px; }
.settings-wide { grid-column: span 2; }
.settings-checkbox { align-self: end; height: 38px; font-size: 12px; }
.custom-font-control, .yahei-font-control { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 12px; padding-top: 16px; }
.custom-font-control input { max-width: 240px; }
.custom-font-control span, .yahei-font-control span { color: var(--tools-muted); }
.tool-status { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 4000; max-width: min(640px,calc(100vw - 32px)); padding: 12px 20px; border: 0; border-radius: 8px; background: var(--color-wrap); color: var(--tools-ink); box-shadow: var(--shadow-card); font-size: 13px; }
.tool-status[data-kind="error"], .tool-error { color: var(--red-1); }
.tools-home { max-width: 1120px; margin: 32px auto 80px; padding: 28px 30px 30px; border-radius: var(--tools-radius); background: var(--color-wrap); box-shadow: var(--shadow-card); }
.tools-category.article-entry { padding: 0 0 16px; margin-bottom: 24px; }
.tools-category h2 { margin: 0 0 24px; font-size: 24px; color: var(--tools-ink); }
.tools-cards { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 24px; }
.tool-card-entrance { min-width: 0; }
.tool-card { display: flex; align-items: center; gap: 22px; min-height: 128px; height: 100%; padding: 28px; background: var(--color-wrap); border: 0; border-radius: var(--tools-radius); color: var(--tools-ink); box-shadow: var(--shadow-card); transition: transform .3s, box-shadow .3s; }
.tool-card:hover { color: var(--tools-ink); transform: translateY(-5px); box-shadow: var(--shadow-card-hover); }
.tool-card-symbol { display: flex; align-items: center; justify-content: center; flex-shrink: 0; width: 55px; height: 55px; border-radius: 9px; background: var(--red-5-5); color: var(--color-link); font: 34px/1 Georgia,serif; }
.tool-card-md { font: 700 19px/1 Consolas,monospace; }
.tool-card h3 { margin: 0; font-size: 19px; font-weight: 600; }
.tool-card-arrow { margin-left: auto; color: var(--tools-muted); }
body.tools-editing { overflow: hidden; }
.tools-shell.is-fullscreen { position: fixed; inset: 0; z-index: 3000; display: flex; flex-direction: column; width: 100%; height: 100vh; height: 100dvh; max-width: none; margin: 0; padding: 12px; overflow: hidden; background: var(--color-background); }
.is-fullscreen .tool-heading { display: none; }
.is-fullscreen .tool-editor-frame { display: flex; flex: 1; min-height: 0; flex-direction: column; }
.is-fullscreen .tool-editor-frame[data-aos] { transition: none !important; transform: none !important; opacity: 1 !important; }
.is-fullscreen .tool-workspace { flex: 1; height: auto; min-height: 0; }
.is-fullscreen .pdf-settings { max-height: 38vh; overflow: auto; overscroll-behavior: contain; }
.is-fullscreen .tool-toolbar { padding: 12px 18px; }
@media (max-width: 1150px) {
  .tool-toolbar { flex-wrap: wrap; gap: 12px; }
  .toolbar-actions { gap: 6px; }
  .tool-button { padding-inline: 10px; }
}
@media (max-width: 800px) {
  #content:has(.tools-shell) > #main { padding: 0 16px; }
  .tools-shell { margin-top: 14px; }
  .tool-workspace { grid-template-columns: minmax(0,1fr); height: auto; }
  .tool-pane { height: 460px; }
  .tool-pane + .tool-pane { border-left: 0; border-top: 1px solid var(--tools-line); }
  .tool-editor { padding: 18px; }
  .md-preview { padding: 22px !important; }
  .settings-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .tools-cards { grid-template-columns: minmax(0,1fr); }
  .tool-card { padding: 24px; }
  .is-fullscreen .tool-workspace { grid-template-rows: minmax(0,1fr) minmax(0,1fr); }
  .is-fullscreen .tool-pane { height: auto; }
  .is-fullscreen .pdf-settings { max-height: 32vh; }
}
@media (max-width: 479px) {
  .tools-home { padding: 20px 16px 16px; }
  .tool-heading { padding: 14px; flex-wrap: wrap; gap: 8px 12px; }
  .tool-toolbar { padding: 14px; }
  .direction-switch { width: 100%; }
  .direction-switch .tool-button { flex: 1; gap: 5px; font-size: 11px; padding: 6px; }
  .workspace-controls { padding: 9px 14px; }
  .tools-breadcrumb { gap: 8px; font-size: 11px; }
  .tools-sibling { font-size: 11px; }
  .pane-heading { padding-inline: 12px; }
  .pane-actions { gap: 6px; }
  .pane-heading .pane-meta { font-size: 10px; }
  .preview-tabs { gap: 4px; }
  .pane-heading .tool-button { padding-inline: 8px; font-size: 11px; }
  .document-name input { width: 160px; }
  .tool-card { gap: 16px; padding: 20px; }
  .tool-card-symbol { width: 44px; height: 48px; }
  .tools-shell.is-fullscreen { padding: 5px; }
  .is-fullscreen .tool-toolbar { padding: 8px 10px; gap: 8px; }
  .is-fullscreen .workspace-controls { padding: 6px 10px; }
  .is-fullscreen .tool-button { min-height: 30px; padding: 5px 8px; font-size: 11px; }
  .is-fullscreen .document-name input { height: 30px; }
  .is-fullscreen .tool-editor { padding: 12px; }
}
@media (hover: none) {
  .tool-card:hover, .tool-button-lift:hover { transform: none; }
}