:root {
  --ink: #202b3c; --muted: #5e6b7b; --blue: #2458b8; --blue-hover: #194594;
  --tint: #edf3fe; --line: #dce2ea; --input-line: #aeb9c8; --paper: #fff;
  --canvas: #eef1f5; --error: #aa2633; --success: #286545; --focus: #e5ab33;
  --radius: 7px; --space: 8px;
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  color: var(--ink); background: var(--paper); font-size: 15px; line-height: 1.65;
}
* { box-sizing: border-box; }
body { margin: 0; }
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; }
button, .file-button { min-height: 44px; border-radius: var(--radius); padding: 10px 17px; border: 1px solid transparent; cursor: pointer; font-weight: 600; transition: background .16s ease, border-color .16s ease; }
button:disabled { cursor: default; opacity: .5; }
button:focus-visible, a:focus-visible, summary:focus-visible, .file-button:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
input, textarea, select { caret-color: var(--blue); }
::selection { background: #cfe0ff; color: var(--ink); }
a { color: var(--blue); text-underline-offset: 4px; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 26px; line-height: 1.5; letter-spacing: -.025em; margin-bottom: 10px; font-weight: 650; }
h1:focus { outline: none; }
h2 { font-size: 17px; margin-bottom: 12px; }
h3 { font-size: 17px; }
.app-header { height: 80px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 40px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-size: 22px; font-weight: 700; white-space: nowrap; }
.brand > svg { width: 30px; height: 34px; color: var(--blue); }
.brand-caption { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 19px; }
.header-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.header-actions button { padding-inline: 12px; }
#save-status { color: var(--muted); font-size: 12px; margin-right: 18px; }
.quiet { background: transparent; color: var(--muted); }
.quiet:hover:not(:disabled) { background: var(--canvas); color: var(--ink); }
.primary { background: var(--blue); color: var(--paper); display: inline-flex; align-items: center; justify-content: center; gap: 13px; }
.primary:hover:not(:disabled) { background: var(--blue-hover); }
.secondary { color: var(--ink); background: var(--paper); border-color: var(--input-line); }
.secondary:hover:not(:disabled) { background: var(--canvas); }
.app-main { display: grid; grid-template-columns: minmax(430px, .95fr) minmax(430px, 1.05fr); max-width: 1600px; margin: auto; min-height: calc(100vh - 80px); }
.writing { padding: 32px 48px 0; min-width: 0; display: flex; flex-direction: column; }
.steps { display: flex; justify-content: space-between; gap: 12px; padding: 0 0 28px; margin: 0 0 36px; border-bottom: 1px solid var(--line); list-style: none; }
.steps li { flex: 1; }
.steps button { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--muted); background: transparent; padding: 4px 0; white-space: nowrap; font-weight: 400; }
.steps button[aria-current] { color: var(--blue); font-weight: 700; }
.step-number { border: 1px solid var(--input-line); border-radius: 50%; width: 26px; height: 26px; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; }
[aria-current] .step-number { background: var(--blue); color: var(--paper); border-color: var(--blue); }
.lead { color: var(--muted); margin-bottom: 30px; font-size: 14px; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.field { margin-bottom: 24px; }
.field label, .format-picker legend, #settings-dialog > label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.optional { font-size: 12px; color: var(--muted); font-weight: 400; margin-left: 10px; }
input:not([type=checkbox]):not([type=radio]):not([type=file]), textarea, select { width: 100%; border: 1px solid var(--input-line); background: var(--paper); border-radius: var(--radius); padding: 11px 13px; min-height: 46px; color: var(--ink); }
input::placeholder, textarea::placeholder { color: #6b7787; opacity: 1; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--blue); outline-offset: 2px; border-color: var(--blue); }
input[aria-invalid=true], textarea[aria-invalid=true] { border-color: var(--error); }
textarea { resize: vertical; line-height: 1.9; }
.hint { font-size: 12px; line-height: 1.7; color: var(--muted); margin: 7px 0 0; }
.extra-fields { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 28px 0; }
summary { font-size: 13px; color: var(--muted); cursor: pointer; padding: 15px 0; min-height: 48px; }
summary:hover { color: var(--blue); }
.detail-body { padding: 7px 0 0; }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; margin: 0 0 24px; cursor: pointer; }
input[type=checkbox], input[type=radio] { accent-color: var(--blue); width: 18px; height: 18px; margin: 4px 0 0; flex: 0 0 18px; }
.form-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.privacy { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; margin-top: 24px; }
.privacy svg { width: 16px; height: 16px; }
.writing-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 12px; margin-top: auto; padding: 44px 0 22px; }
.writing-footer a { color: var(--muted); }
.preview { background: var(--canvas); border-left: 1px solid var(--line); min-width: 0; height: calc(100vh - 80px); position: sticky; top: 0; display: flex; flex-direction: column; }
.preview-toolbar { display: flex; justify-content: space-between; align-items: center; padding: 21px 28px; gap: 12px; }
.preview-toolbar h2 { font-size: 14px; margin: 0; }
#preview-status { font-size: 12px; color: var(--muted); }
.preview-canvas { flex: 1; min-height: 280px; overflow: auto; padding: 10px 32px 26px; scrollbar-color: #aeb9c8 var(--canvas); }
#pdf-pages { margin: auto; max-width: 794px; }
.pdf-page { background: var(--paper); margin: 0 auto; box-shadow: 0 6px 22px #1f30451a; }
.pdf-page canvas { display: block; width: 100%; height: auto; }
.pdf-page .text-equivalent { margin: 0; white-space: pre-wrap; padding: 24px; }
#preview-empty { background: var(--paper); aspect-ratio: 210 / 297; max-width: 570px; margin: auto; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 28px; box-shadow: 0 6px 22px #1f304510; text-align: center; }
#preview-empty svg { width: 43px; height: 52px; color: #8a99ae; margin-bottom: 23px; }
#preview-empty h3 { color: var(--muted); font-weight: 500; }
#preview-empty p { color: var(--muted); font-size: 13px; line-height: 1.9; }
.preview-footer { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--muted); padding: 6px 20px; border-top: 1px solid var(--line); gap: 8px; }
.pagination { display: flex; align-items: center; gap: 8px; font-variant-numeric: tabular-nums; }
.pagination button { font-size: 12px; padding: 8px; }
.two-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.label-row .hint { margin: 0; }
.field-error { font-size: 13px; margin: 7px 0 0; color: var(--error); }
.review-summary { margin: 26px 0; }
.review-row { display: grid; grid-template-columns: 68px 1fr auto; gap: 10px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.review-row dt { color: var(--muted); }
.review-row dd { margin: 0; overflow-wrap: anywhere; white-space: pre-line; }
.reference-feedback { margin-top: 12px; }
.reference-feedback .dialog-actions { margin-top: 12px; }
.reference-feedback strong { overflow-wrap: anywhere; }
.review-row button { font-size: 12px; color: var(--blue); padding: 4px 7px; }
#checks { margin: 26px 0; }
#checks h2 { font-size: 14px; margin-bottom: 5px; }
.review-issue { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.review-issue p { margin-bottom: 6px; }
.review-issue .check { margin: 10px 0 0; font-size: 12px; }
.review-issue button { font-size: 12px; padding: 4px 9px; }
.review-issue .issue-heading { font-size: 13px; margin: 0 0 8px; color: var(--blue); }
.review-issue[data-severity=error] .issue-heading { color: var(--error); }
.review-issue[data-severity=suggestion] .issue-heading { color: var(--muted); }
.issue-original, .issue-proposed { margin: 12px 0; padding: 10px 12px; background: var(--canvas); white-space: pre-wrap; overflow-wrap: anywhere; max-height: 12em; overflow-y: auto; }
.issue-help { margin: 0 0 12px; }
.issue-help summary { color: var(--blue); padding: 6px 0; }
.issue-help p { color: var(--muted); }
.issue-location { margin: 0 0 24px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.issue-location p { margin: 0; }
#material-dialog { width: min(620px, calc(100% - 32px)); }
.material-choice { margin-bottom: 18px; }
.material-choice strong, .material-choice span span, .material-choice small { display: block; }
.material-choice span span { overflow-wrap: anywhere; white-space: pre-line; margin: 5px 0; }
.material-choice small { color: var(--muted); font-size: 12px; }
#material-body-preview, #sourceMaterial { margin: 8px 0 16px; }
.format-picker { margin-top: 30px; }
.format-picker > label { display: flex; align-items: flex-start; gap: 12px; border: 1px solid var(--line); padding: 14px 16px; margin: 10px 0; border-radius: var(--radius); cursor: pointer; }
.format-picker > label:has(:checked) { border-color: var(--blue); background: var(--tint); }
.format-picker > label:hover { border-color: var(--blue); }
.format-picker strong { font-size: 14px; font-weight: 600; }
.format-picker small { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.extension { margin-left: auto; color: var(--muted); font-size: 12px; }
.export-status { color: var(--success); font-size: 13px; margin-top: 16px; }
.export-status.failed { color: var(--error); }
.global-message { background: #fff2e3; color: #704316; padding: 13px 40px; font-size: 14px; }
.skip { position: fixed; top: 10px; left: 10px; width: 1px; height: 1px; clip-path: inset(50%); overflow: hidden; background: var(--paper); z-index: 10; padding: 0; }
.skip:focus { width: auto; height: auto; clip-path: none; overflow: visible; padding: 12px; }
dialog { border: 1px solid var(--line); border-radius: 12px; color: var(--ink); width: min(540px, calc(100% - 32px)); padding: 26px; max-height: 85vh; overflow: auto; box-shadow: 0 18px 60px #172a4230; }
dialog::backdrop { background: #18243850; }
dialog h2 { font-size: 21px; }
dialog p { font-size: 14px; color: var(--muted); }
.dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.dialog-heading h2 { margin: 0; }
.dialog-actions, .draft-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.file-button { display: inline-flex; align-items: center; justify-content: center; }
hr { border: 0; border-top: 1px solid var(--line); margin: 25px 0 10px; }
#font-status p { font-size: 12px; margin: 6px 0; }
#font-status { margin-bottom: 22px; }
.reuse-status { color: var(--blue); background: var(--tint); padding: 12px 16px; border-radius: var(--radius); font-size: 13px; margin: 0 0 24px; overflow-wrap: anywhere; }
.mobile-tools, .mobile-only { display: none; }
.text-button { background: transparent; color: var(--blue); padding: 6px 0; font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
.remember-row { display: flex; align-items: center; gap: 14px; margin: -6px 0 24px; }
.remember-row button { flex-shrink: 0; font-size: 13px; }
.remember-row p { margin: 0; }
.preview-actions { display: flex; flex-wrap: wrap; gap: 4px; }
.preview-actions button { padding-inline: 10px; font-size: 12px; }
.preview-canvas.zoomed { overflow: auto; }
.preview-canvas.zoomed #pdf-pages { min-width: 794px; }
.current-document { font-size: 14px; font-weight: 600; padding-top: 18px; overflow-wrap: anywhere; }
.recent-document { border-top: 1px solid var(--line); padding: 18px 0 12px; }
.recent-document h3 { font-size: 15px; margin: 0; overflow-wrap: anywhere; }
.recent-actions { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.recent-actions button { font-size: 12px; padding: 6px 10px; color: var(--blue); }
#draft-dialog { width: min(620px,calc(100% - 32px)); }
#common-form > label { display: block; font-size: 14px; margin-bottom: 8px; }
#preview-heading { scroll-margin-top: 16px; }
@media (min-width: 1450px) { .writing { padding-left: 64px; padding-right: 64px; } }
@media (max-width: 1050px) {
  .app-header { padding: 0 24px; } .brand-caption { display: none; }
  .writing { padding: 24px 28px 0; } .app-main { grid-template-columns: minmax(380px, 1fr) minmax(340px, 1fr); }
  .preview-canvas { padding-left: 18px; padding-right: 18px; } .steps { gap: 8px; }
}
@media (max-width: 760px) {
  .app-header { height: auto; min-height: 72px; padding: 10px 18px; flex-wrap: wrap; gap: 4px; }
  .brand { font-size: 20px; gap: 7px; } .brand > svg { width: 25px; }
  .header-actions { gap: 0; } .header-actions button { padding: 8px 9px; font-size: 12px; }
  #save-status { display: none; } .app-main { display: flex; flex-direction: column; }
  .writing { padding: 22px 22px 0; } h1 { font-size: 23px; }
  .steps { padding-bottom: 19px; margin-bottom: 27px; gap: 6px; } .steps button { font-size: 12px; gap: 6px; }
  .step-number { width: 23px; height: 23px; } .lead { margin-bottom: 25px; font-size: 13px; }
  .writing-footer { padding-top: 28px; } .preview { height: auto; min-height: 490px; position: static; border: 0; border-top: 1px solid var(--line); }
  .preview-toolbar { padding: 16px 20px; } .preview-canvas { overflow: visible; padding: 0 22px 24px; }
  .preview-footer { padding: 6px 14px; } .preview-footer > span { font-size: 12px; }
  .two-fields { grid-template-columns: 1fr; gap: 0; } #body { max-height: 45vh; min-height: 230px; }
  .global-message { padding: 12px 20px; } input:not([type=checkbox]):not([type=radio]), textarea { font-size: 16px; }
  .header-actions { width: 100%; justify-content: space-between; }
  .mobile-tools { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin: -12px 0 10px; color: var(--muted); font-size: 12px; }
  .mobile-tools button { padding-inline: 8px; color: var(--blue); font-size: 12px; }
  .mobile-only { display: inline-flex; }
  .preview-toolbar { flex-wrap: wrap; gap: 8px; }
  .preview-actions { margin-left: auto; }
  .remember-row { align-items: flex-start; flex-direction: column; gap: 6px; }
  .preview-canvas { max-width: 100%; }
  .preview-canvas.zoomed #pdf-pages { min-width: 680px; }
  .preview-canvas.zoomed { max-height: 80dvh; min-height: 400px; }
  .form-step h1 { scroll-margin-top: 20px; }
  dialog { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }

#material-tables { margin: 16px 0 24px; }
#material-tables h3 { font-size: 16px; margin: 0 0 12px; }
#material-tables details { margin: 8px 0 14px; }
.material-table-preview { overflow: auto; max-height: 240px; margin-top: 10px; }
.material-table-preview table { border-collapse: collapse; width: 100%; }
.material-table-preview td { border: 1px solid var(--line); padding: 6px 8px; white-space: pre-wrap; min-width: 60px; }

/* Original Word uses the same editor, navigation, checks and preview shell. */
.word-mode [data-panel="0"]>:not(h1):not(.lead):not(#word-basic),.word-mode [data-panel="1"]>:not(h1):not(.lead):not(#word-body),.word-mode #material-source{display:none}
.word-workspace{min-width:0}.word-workspace>button{margin:8px 8px 8px 0}.word-paragraph{margin:12px 0}.word-paragraph>label{display:block;font-size:12px;color:var(--muted,#5e6b7b)}.word-paragraph textarea{min-height:42px;resize:vertical}.word-paragraph textarea[readonly]{background:#f1f3f6}.word-section{margin:24px 0 12px;padding-top:12px;border-top:1px solid #dce2ea;font-weight:650}.word-format{font-size:12px}.word-format label{display:inline-block;width:45%;margin:8px 4% 4px 0}.word-table-scroll{max-width:100%;overflow:auto}.word-table table{border-collapse:collapse;min-width:600px}.word-table td,.word-table th{border:1px solid #aeb9c8;min-width:100px;padding:6px;vertical-align:top}.word-table textarea{min-width:90px}.word-table .word-paragraph{margin:0 0 8px}.word-table .word-format{font-weight:400}.word-table h2{font-size:17px}#word-body{padding:0;border:0}#word-basic #word-name{margin:8px 0 16px}

.font-start { margin: 0 24px 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }.font-start h3 { margin: 0 0 8px; font-size: 17px; }.font-start p { margin: 8px 0; font-size: 14px; line-height: 1.6; }.font-start .dialog-actions { justify-content: flex-start; flex-wrap: wrap; }.font-batch-roles { display: grid; gap: 12px; margin: 16px 0; }.font-batch-roles label { font-size: 14px; }.font-batch-roles select { width: 100%; margin-top: 6px; }#font-batch { padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid var(--line); }

#local-font-dialog { width: min(620px,calc(100% - 32px)); }#local-font-dialog > p,#font-batch-message { font-size: 13px; line-height: 1.6; }.font-batch-roles { grid-template-columns: repeat(2,minmax(0,1fr)); }.font-batch-roles label:last-child { grid-column: 1 / -1; }#local-font-dialog #font-batch { border: 0; padding: 0; margin: 0; }.local-font-actions { position: sticky; bottom: -26px; background: var(--paper); padding: 16px 0; margin-bottom: 0; }.word-mode #font-start { display: none; }@media(max-width:480px){.font-batch-roles{grid-template-columns:1fr;}}

/* Continuous PDF pages; 100% uses 96 CSS pixels per physical inch. */
#pdf-pages{display:flex;flex-direction:column;align-items:center;gap:20px;width:100%;max-width:none;min-width:0}
.pdf-page{position:relative;flex:none;width:min(100%,var(--page-width));margin:0 auto;overflow:hidden}
.pdf-page-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px}
.preview-canvas.zoomed #pdf-pages{width:max-content;min-width:100%;max-width:none}
.preview-canvas.zoomed .pdf-page{width:var(--page-width);max-width:none}

/* Align visible glyphs, not just their font line boxes. */
.step-number{flex-shrink:0;line-height:1;font-family:Arial,sans-serif;font-variant-numeric:tabular-nums}
.step-number>span{display:block;line-height:1;transform:translateY(-.5px)}
#common-form>label.check{display:flex;align-items:center;gap:10px;margin:12px 0 20px;line-height:1.5}
#common-form>label.check input{flex:0 0 18px;width:18px;height:18px;margin:0;accent-color:var(--blue)}
#common-form>label.check span{display:block;transform:translateY(-1px)}

#agency-required.is-missing{color:var(--error)}
#letterhead-state:empty{display:none}

/* Pointer selection uses the card border; keyboard focus stays visible. */
.format-picker input[type=radio]:focus{outline:none}
.format-picker>label:has(input:focus-visible){outline:2px solid var(--blue);outline-offset:3px}
input:is([type=checkbox],[type=radio]):focus:not(:focus-visible){outline:none}