/* Question Notes · editorial workspace. Local fonts and assets only. */
:root {
  --canvas: #faf9f5;
  --paper: #ffffff;
  --ink: #262624;
  --muted: #6b6861;
  --secondary: #66635c;
  --line: #e5e2da;
  --soft: #f0eee6;
  --accent: #a44d32;
  --brand: #d97757;
  --accent-soft: #f5e8e0;
  --green: #386447;
  --red: #a13d34;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: var(--sans);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --header-height: 82px;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 14px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 6px; cursor: pointer; font-size: 13px; line-height: 1.5; transition: background .16s, border-color .16s, box-shadow .16s; }
button:hover { background: var(--soft); border-color: #d4aa97; }
button:disabled { opacity: .4; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: white; }
button.primary:hover:not(:disabled) { background: #93452d; border-color: #93452d; box-shadow: 0 3px 10px #d9775726; }
button.quiet { background: transparent; border-color: transparent; color: var(--secondary); }
button.quiet:hover { background: var(--soft); color: var(--ink); }
button.danger { margin-right: auto; color: var(--red); border-color: transparent; }
button.icon-button { width: 30px; height: 30px; flex: 0 0 auto; padding: 5px; border: 0; background: transparent; font-size: 22px; color: #8b8175; }
button.icon-button:hover { color: var(--ink); background: var(--soft); }
button.dashed { width: 100%; border: 1px dashed var(--line); background: #ffffff; color: var(--secondary); padding: 13px; }
button.dashed:hover { background: var(--soft); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
input, select, textarea { min-width: 0; max-width: 100%; color: var(--ink); border: 1px solid var(--line); border-radius: 5px; background: var(--paper); padding: 10px 12px; }
input::placeholder, textarea::placeholder { color: #a3a69b; }
input:focus, select:focus, textarea:focus { outline: 2px solid #d9775733; outline-offset: 1px; border-color: #d4aa97; }
select { text-overflow: ellipsis; }
textarea { resize: vertical; line-height: 1.95; }
label { display: flex; flex-direction: column; gap: 8px; min-width: 0; color: #757a6d; font-size: 12px; }
input[type=checkbox] { accent-color: var(--accent); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 12px; font: 600 34px/1.4 var(--sans); letter-spacing: -.6px; }
h2 { margin: 0; font-size: 15px; font-weight: 550; }
h3 { margin-bottom: 10px; font-size: 16px; font-weight: 500; }
p { color: var(--muted); }
svg.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.55; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.svg-definitions { width: 0; height: 0; position: absolute; overflow: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.eyebrow, .file-label { font: 10px/1.6 var(--mono); letter-spacing: 1.6px; color: #9a9f92; }
.eyebrow { display: block; margin-bottom: 12px; }
.heading-dot { color: var(--brand); }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.subtle, .hint, .optional { font-size: 11px; color: #94988b; }
.optional { display: contents; font-weight: 400; }
.hint { margin: 14px 0 0; line-height: 1.85; }
.mobile-only { display: none !important; }

/* Persistent masthead: two jobs up front, reference tools in the background. */
.masthead { height: var(--header-height); position: sticky; z-index: 40; top: 0; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 36px; border-bottom: 1px solid var(--line); background: #faf9f5f5; backdrop-filter: blur(16px); }
.brand-area { display: flex; align-items: center; gap: 10px; min-width: 198px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-size: 20px; font-weight: 600; letter-spacing: 1px; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 42px; border-radius: 11px; background: var(--accent-soft); color: var(--brand); }
.brand-mark .icon { width: 23px; height: 23px; stroke-width: 1.3; }
.brand small { display: block; margin-top: 1px; font: 8px/1.4 var(--mono); letter-spacing: 1.6px; color: #a0a396; }
.main-nav { display: flex; align-self: stretch; align-items: center; gap: 6px; }
.main-nav button { position: relative; height: 38px; padding: 0 17px; background: transparent; border: 0; font-size: 13px; color: #82867b; }
.main-nav button.active { color: var(--accent); background: var(--accent-soft); font-weight: 550; }
.main-nav button { border-radius: 20px; }
.main-nav button:hover { background: var(--soft); color: var(--ink); }
.main-nav button.aux-nav { padding: 0 12px; font-size: 12px; }
.main-nav b { font: 10px var(--mono); color: var(--accent); padding: 2px 5px; border-radius: 3px; background: var(--accent-soft); }
.main-nav b:empty { display: none; }
.nav-divider { width: 1px; height: 17px; background: var(--line); margin: 0 8px; }
.masthead-meta { display: flex; align-items: center; gap: 20px; font-size: 11px; color: #94988c; }

/* The catalogue is a reference view, not a permanent tax on the main workflow. */
.app-shell { display: flex; min-height: calc(100vh - var(--header-height)); }
.sidebar { display: none; width: 248px; flex: 0 0 248px; height: calc(100vh - var(--header-height)); position: sticky; top: var(--header-height); padding: 32px 14px 0; background: #f3f1e9; border-right: 1px solid var(--line); flex-direction: column; }
@media (min-width: 761px) {
  body[data-view=library] .sidebar { display: flex; }
}
.sidebar-top { padding: 0 14px 20px; }
.sidebar-top .eyebrow { font-size: 9px; margin-bottom: 6px; }
.tree-heading { display: flex; align-items: center; justify-content: space-between; }
.tree-heading h2 { font-size: 15px; }
.directory { flex: 1; overflow: auto; scrollbar-width: thin; scrollbar-color: #cec8bc transparent; padding-bottom: 20px; }
.directory button { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 5px; padding: 7px 9px; border: 0; border-radius: 4px; background: none; text-align: left; font-size: 12px; color: #6f7866; }
.directory button span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.directory button small { color: #a4ab98; font: 10px var(--mono); flex: 0 0 auto; }
.directory button:hover { background: var(--soft); color: var(--ink); }
.directory button.selected { background: var(--accent-soft); color: var(--accent); box-shadow: none; }
.directory button.selected small { color: var(--accent); }
.directory details { margin-left: 10px; padding-left: 5px; border-left: 1px solid var(--line); }
.directory > details { border: 0; padding: 0; margin: 12px 0 0; }
.directory > details > summary > .tree-row > [data-scope] { font-weight: 550; color: #49463f; }
.directory .tree-row { position: relative; display: flex; align-items: center; flex: 1; min-width: 0; }
.directory .tree-row > [data-scope] { flex: 1; min-width: 0; cursor: grab; }
.directory .tree-row.dragging { opacity: .45; }
.directory .tree-row.dragging > [data-scope] { cursor: grabbing; }
.directory .drop-before::before, .directory .drop-after::after { content: ''; position: absolute; left: 0; right: 0; height: 3px; border-radius: 2px; background: var(--accent); pointer-events: none; z-index: 2; }
.directory .drop-before::before { top: -2px; }
.directory .drop-after::after { bottom: -2px; }
.directory[aria-busy=true] .tree-row > [data-scope] { cursor: progress; }
.directory .tree-row [data-scope] small { transition: opacity .12s ease; }
.directory .tree-edit { position: absolute; right: 2px; top: 50%; transform: translateY(-50%); width: 24px; height: 24px; padding: 0; justify-content: center; border-radius: 4px; opacity: 0; pointer-events: none; transition: opacity .12s ease; }
.directory .tree-edit .icon { width: 14px; height: 14px; }
.directory .tree-row:hover .tree-edit,
.directory .tree-row:focus-within .tree-edit { opacity: 1; pointer-events: auto; }
.directory .tree-row:hover [data-scope] small,
.directory .tree-row:focus-within [data-scope] small { opacity: 0; }
.directory summary { display: flex; align-items: center; cursor: pointer; list-style: none; }
.directory summary::-webkit-details-marker { display: none; }
.directory summary::before { content: ''; width: 5px; height: 5px; border-right: 1px solid #8b8175; border-bottom: 1px solid #8b8175; transform: rotate(-45deg); margin: 0 6px 0 2px; flex: 0 0 auto; }
.directory details[open] > summary::before { transform: rotate(45deg); }
.directory .leaf { padding-left: 14px; }
.sidebar-backdrop { display: none; }
.workspace { flex: 1; min-width: 0; }
.context-separator { color: #c2c9b5; margin: 0 9px; }
.edition { font: 9px var(--mono); }
main { padding: 26px 40px 56px; max-width: 1250px; margin: auto; min-height: calc(100vh - 195px); }
.page-heading { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 34px; }
.page-heading p { font-size: 12px; margin-bottom: 0; overflow-wrap: anywhere; }
.page-note { display: flex; align-items: center; gap: 7px; white-space: nowrap; font-size: 11px; color: #929a85; }
.workspace-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; max-width: 1170px; margin: 0 auto; padding: 22px 0 26px; border-top: 1px solid var(--line); color: #a4ab97; font: 9px var(--mono); letter-spacing: 1px; }
.footer-slash { margin: 0 8px; color: #c4cbb8; }
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.panel-heading h2 { display: flex; align-items: center; gap: 10px; }
.section-index { color: var(--accent); font: 10px var(--mono); padding-right: 10px; border-right: 1px solid var(--line); }

/* Intake: two independent entry paths sharing one deliberate commit step. */
.intake-modes-row { margin-bottom: 20px; }
.intake-modes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.intake-mode-card { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 3px; padding: 14px 18px 15px; border: 1px solid var(--line); border-radius: 14px; background: #fff; text-align: left; color: var(--secondary); }
.intake-mode-card:hover { background: #fdfaf7; border-color: #d4aa97; }
.intake-mode-card.active { background: #fdfaf7; border-color: #d4aa97; box-shadow: none; color: var(--ink); }
.intake-mode-card .mode-kicker { font: 9px/1.4 var(--mono); letter-spacing: 1.5px; color: var(--secondary); }
.intake-mode-card strong { font-size: 15px; font-weight: 600; }
.intake-mode-card small { font-size: 11px; color: var(--secondary); }
.intake-mode-card.active .mode-kicker { color: var(--accent); }
.intake-docbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 16px 14px 18px; border: 1px solid var(--line); border-left: 3px solid #d4aa97; border-radius: 10px; background: #fdfaf7; margin-bottom: 16px; }
.intake-docbar-copy { display: flex; align-items: center; gap: 13px; min-width: 0; }
.docbar-icon { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: #fff; color: var(--accent); border: 1px solid var(--line); flex: 0 0 auto; }
.docbar-icon .icon { width: 18px; height: 18px; }
.intake-docbar strong { display: block; font-size: 14px; margin-bottom: 2px; }
.intake-docbar p { margin: 0; font-size: 11px; color: var(--secondary); }
.intake-docbar code, .doc-help code { font: 11px var(--mono); background: #fff; border: 1px solid var(--line); border-radius: 3px; padding: 1px 5px; color: #49463f; }
.intake-docbar > button { flex: 0 0 auto; font-size: 11px; border: 1px solid var(--line); background: #fff; }
.doc-help { margin: -4px 0 18px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.doc-help-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 24px; align-items: start; }
.doc-rule { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--soft); }
.doc-rule:first-child { padding-top: 0; }
.doc-rule:last-child { padding-bottom: 0; border-bottom: 0; }
.doc-rule > span { font: 10px var(--mono); letter-spacing: 1px; color: var(--accent); padding-top: 2px; }
.doc-rule p { margin: 0; font-size: 12px; line-height: 1.9; color: var(--secondary); }
.doc-sample { margin: 0; padding: 16px 18px; background: #f3f1ea; border: 1px solid var(--line); border-radius: 6px; font: 11px/1.95 var(--mono); color: var(--secondary); white-space: pre-wrap; overflow-wrap: anywhere; }
.editor-meta { display: flex; align-items: center; gap: 12px; }
#editor-count { font: 10px var(--mono); color: var(--secondary); letter-spacing: .4px; }
.editor-load { flex: 0 0 auto; gap: 5px; padding: 5px 9px; font-size: 10px; color: var(--secondary); background: #fff; border: 1px solid var(--line); }
.editor-load:hover { background: #fff; border-color: #d4aa97; color: var(--ink); }
.editor-load .icon { width: 13px; height: 13px; }
.intake-target { display: grid; grid-template-columns: 30px minmax(200px, 2.8fr) minmax(90px, .75fr) minmax(130px, 1fr) auto; gap: 18px; align-items: center; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 20px 0; margin-bottom: 26px; }
.intake-target label { gap: 6px; font-size: 10px; }
.intake-target select, .intake-target input { width: 100%; font-size: 12px; background: #fff; padding: 8px 10px; }
.intake-target .target-icon { display: grid; place-items: center; color: #8b8175; }
.intake-target .target-icon .icon { width: 24px; height: 24px; stroke-width: 1.2; }
.intake-target .quiet { align-self: end; font-size: 11px; padding: 9px; }
.editor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: stretch; }
.editor-panel, .preview-panel { min-width: 0; padding: 0; overflow: hidden; }
.editor-panel > .panel-heading, .preview-panel > .panel-heading { padding: 20px 22px; border-bottom: 1px solid var(--line); margin-bottom: 0; }
.editor-panel { background: #fff; }
.editor-panel textarea { display: block; width: 100%; min-height: 280px; height: 32vh; max-height: 540px; padding: 22px 24px; border: 0; border-radius: 0; background: transparent; font: 13px/2 var(--mono); color: #49463f; }
.editor-panel textarea:focus { outline: none; box-shadow: inset 3px 0 #d4aa97; }
.editor-panel textarea::placeholder { color: #a8b09d; }
.editor-footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; padding: 15px 22px; border-top: 1px solid var(--line); }
.editor-footer-left { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.clear-button { padding: 3px 8px; border: 1px solid transparent; background: transparent; color: #939e82; font-size: 11px; }
.clear-button:hover:not(:disabled) { color: var(--red); background: #fbeeea; }
.editor-footer > button { font-size: 12px; background: #fff; }
.editor-panel > .hint { margin: 0; padding: 0 22px 20px; font-size: 10px; }
.check-label { display: flex; flex-direction: row; align-items: center; gap: 7px; font-size: 11px; }
.preview-content { min-height: 340px; max-height: 540px; overflow: auto; padding: 0 24px; }
.preview-content .empty { min-height: 330px; }
.preview-content .notice { margin-top: 20px; }
.preview-content .question { padding-top: 10px; border-bottom-color: #eee; }
.doc-empty .empty-drawing { transform: none; box-shadow: none; border-radius: 50%; width: 62px; height: 62px; margin-bottom: 22px; }
.doc-empty .empty-drawing .icon { width: 24px; height: 24px; }
.import-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 20px 0 0; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.import-stat { display: flex; flex-direction: column; gap: 1px; padding: 13px 14px; background: #fff; }
.import-stat span { font-size: 10px; color: var(--secondary); }
.import-stat strong { font: 24px/1.2 var(--serif); color: var(--ink); font-variant-numeric: lining-nums; }
.import-stat.bad strong { color: var(--red); }
.import-alert { margin: 20px 0 0; padding: 14px 16px; background: #fcf1ec; border: 1px solid #eccdbf; border-left: 3px solid #c2785c; border-radius: 4px; }
.import-alert strong { display: block; color: var(--red); font-size: 13px; margin-bottom: 6px; }
.import-alert ul { margin: 0; padding-left: 18px; color: #8a4a35; font-size: 12px; line-height: 1.9; }
.import-alert li span { font-family: var(--mono); font-size: 10px; margin-right: 8px; color: #a76c55; }
.import-section { margin: 22px 0 0; }
.import-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding-bottom: 9px; border-bottom: 1px solid var(--line); }
.import-section-head h3 { margin: 0; font-size: 13px; font-weight: 600; color: var(--ink); }
.import-section-head span { font-size: 10px; color: var(--secondary); }
.import-tree { list-style: none; margin: 6px 0 0; padding: 0; }
.import-tree li { display: flex; align-items: center; gap: 8px; padding: 7px 0 7px calc(var(--depth) * 18px); font-size: 12px; color: #49463f; border-bottom: 1px dotted #edf0e7; }
.import-tree li:last-child { border-bottom: 0; }
.import-tree li::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: #c6cfba; flex: 0 0 auto; }
.import-tree .import-node { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.import-tree .tag { margin-left: auto; }
.import-note { margin: 12px 0 0; font-size: 11px; color: var(--secondary); }
.tag { display: inline-flex; align-items: center; flex: 0 0 auto; padding: 1px 6px; border-radius: 3px; font-size: 9px; letter-spacing: .4px; }
.tag.new { color: #8a4a32; background: #f7ece4; }
.tag.reuse { color: #66795c; background: #eef2e9; }
.tag.skip { color: #7c8574; background: #f0f1ec; }
.tag.update { color: #8a6632; background: #f8f0df; }
.tag.restore { color: #6b6861; background: var(--soft); }
.tag.bad { color: #993c31; background: #fbe9e4; }
.import-questions-head { margin-top: 24px; }
.import-questions { margin: 22px 0 0; }
.import-skipped { margin-top: 14px; border: 1px solid var(--line); border-radius: 6px; background: #fdfaf7; }
.import-skipped > summary { display: flex; justify-content: space-between; gap: 12px; padding: 11px 14px; cursor: pointer; font-size: 11px; color: var(--secondary); list-style: none; }
.import-skipped > summary::-webkit-details-marker { display: none; }
.import-skipped > summary::after { content: '展开'; color: #8d987f; }
.import-skipped[open] > summary::after { content: '收起'; }
.import-skipped[open] > summary { border-bottom: 1px solid var(--line); }
.import-skipped .import-question { padding: 12px 14px; }
.import-skipped .import-question:last-child { border-bottom: 0; }
.import-question { padding: 14px 0 6px; border-bottom: 1px solid var(--line); }
.import-question:last-child { border-bottom: 0; }
.import-question-head { display: flex; align-items: center; gap: 9px; margin-bottom: 4px; font-size: 10px; color: var(--secondary); }
.import-question-head .import-line { font-family: var(--mono); font-size: 10px; color: var(--secondary); }
.import-question-head .import-path { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.import-question.bad { background: #fffaf7; box-shadow: -12px 0 #fffaf7, 12px 0 #fffaf7; }
.import-question-error { margin: 4px 0 2px; font-size: 11px; line-height: 1.8; color: var(--red); }
.import-question .question { padding: 4px 0 8px; border: 0; }
.import-question .question .stem { font-size: 14px; }
.submit-bar { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0 0; }
.submit-bar > div { font-size: 11px; color: #929a85; }
.submit-bar .primary { padding: 12px 22px; min-width: 172px; }
.empty { min-height: 260px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 20px; text-align: center; }
.empty-drawing { display: grid; place-items: center; width: 66px; height: 80px; border: 1px solid var(--line); background: #fdfaf7; border-radius: 10px; box-shadow: none; margin-bottom: 26px; transform: rotate(-5deg); color: #8b8175; }
.empty-drawing .icon { width: 28px; height: 28px; stroke-width: 1; }
.empty > span:first-child { font-size: 28px; color: #b5bda7; margin-bottom: 16px; }
.empty h3 { font-family: var(--serif); font-size: 20px; color: #7a836b; font-weight: 400; }
.empty p { max-width: 310px; font-size: 12px; line-height: 1.9; color: #a0a88f; margin: 0; }
.empty-caption { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 10px; letter-spacing: 3px; color: #b1b99f; }
.notice { padding: 11px 13px; background: #f0f4ed; color: #657a53; border-left: 2px solid #acbf99; border-radius: 0 4px 4px 0; font-size: 12px; line-height: 1.8; margin: 14px 0; }
.notice.error { background: #fcf1ec; border-color: #d8a38c; color: var(--red); }

/* Library: light index or expanded reading, without dashboard cards. */
.stats-heading { display: flex; align-items: baseline; gap: 12px; margin-bottom: 12px; }
.stats-heading h2 { margin: 0; font-size: 13px; font-weight: 500; }
.stats-heading span { font-size: 11px; color: var(--muted); }
.stats-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 32px; padding: 18px 0; margin-bottom: 28px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat-item { display: flex; align-items: baseline; gap: 9px; font-size: 11px; color: #8d967d; white-space: nowrap; }
.stat-item strong { color: var(--ink); font: 22px/1.2 var(--serif); font-variant-numeric: lining-nums; }
.stat-item small { font-size: 10px; }
.filterbar { display: flex; align-items: center; gap: 12px; }
.search-box { display: flex; flex-direction: row; gap: 8px; align-items: center; flex: 1; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 0 12px; color: #9aa58a; }
.search-box input { width: 100%; padding: 11px 0; border: 0; background: transparent; font-size: 12px; }
.search-box:focus-within { border-color: #d4aa97; box-shadow: 0 0 0 2px #d9775722; }
.search-box input:focus { outline: none; }
kbd { font: 10px var(--mono); border: 1px solid var(--line); border-radius: 3px; padding: 1px 5px; color: #b2bca2; }
.filters { display: flex; gap: 8px; }
.filters select { padding: 10px; font-size: 12px; border-color: var(--line); background: transparent; }
.view-switch { display: flex; padding: 3px; gap: 2px; background: var(--soft); border-radius: 5px; }
.view-switch button { width: 31px; height: 31px; padding: 6px; border: 0; background: transparent; color: #9aa685; }
.view-switch button.selected { color: var(--ink); background: #fff; box-shadow: 0 1px 3px #26262410; }
.list-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 23px 0 15px; font-size: 10px; color: #9aa489; }
#question-list { border-top: 1px solid var(--line); }
.question { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.question-index { color: #b3bba4; font: 22px/1.3 var(--serif); padding-top: 2px; font-variant-numeric: lining-nums; }
.question-main { min-width: 0; }
.question-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; font-size: 10px; color: #9aa589; }
.question-source { max-width: 70%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.question-date { white-space: nowrap; }
.question-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; flex: 0 0 auto; }
.question-meta .edit-button, .question-meta .delete-button { border: 0; background: none; font-size: 10px; padding: 3px 7px; color: #939e82; }
.question-meta .delete-button { color: var(--red); }
.question-meta .delete-button:hover { background: #fbeeea; }
.question-meta .edit-button:hover { background: var(--soft); color: var(--ink); }
.edit-button .icon { width: 13px; height: 13px; }
.badge { display: inline-flex; align-items: center; padding: 2px 6px; color: #74855e; background: #edf1e6; font-size: 10px; line-height: 1.5; border-radius: 3px; }
.badge.multi { background: #f3ede4; color: #a18a63; }
.badge.warn { background: var(--accent-soft); color: var(--accent); }
.badge.neutral { background: var(--soft); color: #929d82; }
.stem { font-size: 15px; line-height: 1.95; color: #444c3b; white-space: pre-wrap; overflow-wrap: anywhere; }
.question-content { margin-top: 10px; }
.question-content > summary { cursor: pointer; display: inline-flex; align-items: center; gap: 10px; font-size: 10px; color: #929f7e; list-style: none; }
.question-content > summary::after { content: '+'; font: 14px var(--mono); }
.question-content[open] > summary::after { content: '−'; }
.question-content[open] > summary { color: #74865e; }
.question-content summary::-webkit-details-marker { display: none; }
.options { display: grid; gap: 8px; margin: 15px 0; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 13px; color: #707f5d; }
.option-line { display: flex; align-items: baseline; gap: 10px; padding: 4px 0; }
.option-line .option-letter { color: #9daa87; min-width: 18px; font: 11px var(--mono); }
.answer { font-size: 12px; color: var(--accent); }
.answer > summary { cursor: pointer; display: inline-flex; list-style: none; font-size: 11px; padding: 3px 0; }
.answer > div { display: inline-block; padding: 6px 10px; border-radius: 4px; background: var(--accent-soft); margin: 6px 0; white-space: pre-wrap; }
.question-bottom { display: flex; justify-content: space-between; align-items: center; gap: 15px; margin-top: 15px; color: #a1ad8d; font-size: 10px; }
.practice-meta { display: flex; flex-wrap: wrap; gap: 12px; }
.question-keyword { max-width: 45%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: #909d7b; }
.preview-content .question { display: block; }
.preview-content .question-index { display: none; }
.pagination { display: flex; align-items: center; justify-content: space-between; padding-top: 26px; color: #a6b293; font-size: 10px; }
.pagination > div { display: flex; align-items: center; gap: 18px; }
.pagination button { padding: 5px 11px; background: transparent; font-size: 12px; }
#page-label { font-family: var(--mono); }

/* Plans live in dialogs; the practice workspace stays focused on papers. */
.profile-list { display: grid; gap: 10px; margin: 18px 0 12px; }
.profile-card { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.profile-card.selected { border-color: var(--accent); background: var(--soft); }
.profile-pick { display: block; text-align: left; border: 0; background: transparent; flex: 1; min-width: 0; padding: 16px; }
.profile-pick:hover { background: transparent; }
.profile-card-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.profile-card-title strong { font-size: 14px; overflow-wrap: anywhere; }
.profile-card-title > span { white-space: nowrap; color: var(--accent); font: 12px var(--mono); }
.profile-pick small { display: block; color: var(--secondary); font-size: 12px; line-height: 1.8; margin-top: 7px; overflow-wrap: anywhere; }
.profile-edit { margin-right: 12px; flex-shrink: 0; }
.create-session { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 24px; }
.create-session label { margin: 0; width: 180px; flex-shrink: 0; }
.create-session > p { text-align: right; overflow-wrap: anywhere; }
#profile-new, #quota-add { width: 100%; }
#profile-status { color: var(--secondary); margin-top: 16px; }
#profile-dialog .quota-row label { min-width: 0; margin-bottom: 0; }
#draw-output:not(:empty) { border-top: 1px solid var(--line); margin-top: 24px; padding-top: 20px; }
.preview-heading { margin-bottom: 20px; }
/* Fixed heading and footer with a scrollable middle, so the primary action stays reachable on long previews. */
#draw-dialog[open] { display: flex; flex-direction: column; overflow: hidden; }
#draw-dialog > .dialog-heading, #draw-dialog > .hint, #draw-dialog > .dialog-actions { flex: 0 0 auto; }
#draw-dialog > .hint { margin-bottom: 16px; }
#draw-dialog .dialog-body { flex: 1 1 auto; min-height: 0; overflow: auto; overscroll-behavior: contain; }
#draw-dialog .dialog-actions { margin-top: 20px; }
.quota-row { display: grid; grid-template-columns: minmax(0, 1fr) 90px 68px 26px; gap: 12px; margin-bottom: 18px; align-items: end; }
.quota-row select, .quota-row input { width: 100%; font-size: 12px; }
.quota-row label { font-size: 10px; }
.quota-row button { padding: 8px 4px; border: 0; background: transparent; color: #a0ac8d; font-size: 18px; }

/* Paper archive and review retain the same quiet reading rhythm. */
.papers-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 30px; align-items: start; }
.paper-list-wrap { position: sticky; top: calc(var(--header-height) + 20px); }
.paper-new { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 76px; padding: 18px; margin-bottom: 10px; background: #fff; border: 1px dashed var(--line); border-radius: 6px; color: var(--secondary); font-size: 13px; text-align: left; }
.paper-new:hover { border-color: var(--accent); background: var(--soft); color: var(--accent); }
.paper-new .icon { width: 17px; height: 17px; flex-shrink: 0; }
.paper-list { max-height: calc(100dvh - var(--header-height) - 160px); overflow-y: auto; }
.paper-list .empty { min-height: 160px; padding: 20px 6px; }
.paper-list .empty h3 { font-size: 17px; }
.paper-list .empty p { font-size: 12px; }
.paper-card { position: relative; width: 100%; display: block; text-align: left; padding: 18px; background: transparent; border: 1px solid transparent; border-bottom-color: var(--line); border-radius: 4px; }
.paper-card strong { display: block; font: 21px/1.5 var(--serif); font-variant-numeric: lining-nums; margin-bottom: 7px; }
.paper-card small { display: block; font-size: 10px; color: #98a587; margin-top: 9px; }
.paper-card.selected { background: #fff; border-color: #d4aa97; }
.paper-card.selected::before { content: ''; position: absolute; top: 21px; bottom: 21px; left: -1px; width: 2px; background: var(--accent); }
.paper-detail { min-height: 520px; padding: 30px; }
.paper-detail .empty { min-height: 450px; }
.paper-question { position: relative; padding: 24px 0; border-bottom: 1px solid var(--line); }
.paper-question .question-meta { padding-right: 92px; }
.paper-question .pick-toggle { position: absolute; top: 22px; right: 0; font-size: 11px; padding: 5px 9px; }
.paper-question.wrong { background: #fffaf6; box-shadow: -12px 0 #fffaf6,12px 0 #fffaf6; }
.paper-question.wrong .pick-toggle { background: var(--accent-soft); color: var(--accent); border-color: #e9ccba; }
.mark-bar { position: sticky; bottom: 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; background: #fff; border: 1px solid var(--line); box-shadow: 0 5px 30px #26262410; border-radius: 6px; margin-top: 20px; font-size: 12px; }

/* Readable muted text: secondary information is quieter, not washed out. */
.eyebrow, .file-label, .hint, .optional, .subtle, .page-note,
label, .intake-target label, .main-nav button, .main-nav button.aux-nav,
.masthead-meta, .brand small, .workspace-footer,
.directory button, .directory button small,
.stat-item, .stat-item small, .list-heading, .pagination,
.question-meta, .question-bottom, .question-keyword, .question-index,
.question-content > summary, .question-content[open] > summary,
.question-meta .edit-button, .practice-meta, .badge.neutral,
.paper-card small,
.submit-bar > div, .empty p, .empty h3, .empty-caption {
  color: var(--secondary);
}
input::placeholder, textarea::placeholder, .editor-panel textarea::placeholder { color: var(--secondary); opacity: 1; }
.stem { color: var(--ink); }
.options { color: #49463f; }
.option-line .option-letter, .badge { color: var(--secondary); }
.hint, .check-label, .page-heading p, .submit-bar > div { font-size: 12px; }
.question-meta, .question-bottom, .list-heading, .paper-card small { font-size: 12px; }
.question-content > summary, .answer > summary { font-size: 12px; padding: 6px 0; }
.editor-panel > .hint, .intake-target label, .quota-row label { font-size: 12px; }
.paper-version { color: var(--secondary); font-size: 12px; margin-bottom: 6px; }
.paper-conflict { margin-top: 18px; padding: 18px; background: #fff8ef; border: 1px solid #d9b58f; border-radius: 6px; }
.paper-conflict h3 { color: #804721; font-size: 14px; font-weight: 600; }
.paper-conflict h4 { margin: 16px 0 8px; font-size: 13px; }
.paper-conflict p { color: #725032; font-size: 12px; }
.paper-conflict label { margin-top: 18px; font-size: 13px; color: var(--ink); }
.paper-conflict .bank-answer { color: #873e26; font-weight: 600; white-space: pre-wrap; overflow-wrap: anywhere; }
.paper-question.excluded { border-left: 3px solid #899384; padding-left: 12px; }
.badge.result-wrong { background: #fbe9e4; color: #92372b; }
.badge.result-right { background: #e8f0e4; color: #365d37; }
.badge.result-excluded { background: #eaece7; color: #505c4b; }
#mark-draft-state { display: block; margin-top: 4px; color: var(--secondary); font-size: 11px; }
#paper-content[aria-busy=true] { opacity: .65; pointer-events: none; }
.mark-bar > div { min-width: 0; }
.mark-bar > button { flex-shrink: 0; }

/* Dialogs, feedback, mobile. */
dialog { color: var(--ink); background: #ffffff; width: 450px; max-width: calc(100% - 28px); max-height: 90dvh; overflow: auto; overscroll-behavior: contain; padding: 28px; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 30px 100px #26262433; }
dialog::backdrop { background: #26262466; backdrop-filter: blur(4px); }
.dialog-heading { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 25px; }
.dialog-heading h2 { font: 25px var(--serif); }
.dialog-heading .eyebrow { font-size: 8px; margin-bottom: 9px; }
dialog label { margin-bottom: 16px; }
dialog input, dialog textarea, dialog select { width: 100%; font-size: 13px; }
.wide-dialog { width: 650px; }
.form-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 25px; padding-top: 20px; border-top: 1px solid var(--line); }
.form-error { font-size: 12px; color: var(--red); margin-top: 12px; white-space: pre-wrap; }
#toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); max-width: 90vw; z-index: 100; background: var(--ink); color: #fff; box-shadow: 0 8px 40px #26262433; border-radius: 6px; padding: 13px 22px; font-size: 12px; white-space: pre-wrap; }

@media (min-width: 1500px) {
  main { padding-top: 42px; }
  .page-heading { margin-bottom: 40px; }
  .editor-panel textarea { min-height: 320px; }
}
@media (max-width: 1180px) {
  .masthead { padding: 0 24px; gap: 12px; }
  .masthead-meta #today-label { display: none; }
  .brand-area { min-width: 170px; }
  .main-nav button { padding: 0 12px; }
  main { padding: 22px 30px 45px; }
  .sidebar { width: 224px; flex-basis: 224px; }
  .workspace-footer { margin: 0 30px; }
  .intake-target { grid-template-columns: minmax(180px,2fr) 90px minmax(110px,1fr) auto; gap: 12px; }
  .intake-target .target-icon { display: none; }
  .stats-strip { gap: 20px; }
  .page-heading .actions { gap: 6px; }
  .page-heading .actions button { padding: 9px 11px; font-size: 11px; }
}
@media (max-width: 920px) {
  .brand-area { min-width: auto; }
  .masthead-meta { display: none; }
  .intake-target { grid-template-columns: 1fr 100px 1fr; }
  .intake-target .target-directory { grid-column: 1 / 3; }
  .intake-target .quiet { grid-column: 3; grid-row: 1; }
  .intake-target > label:nth-of-type(2) { grid-column: 1; }
  .intake-target > label:nth-of-type(3) { grid-column: 2 / 4; }
  body[data-view=library] .page-heading { align-items: flex-start; flex-direction: column; gap: 15px; }
  .stats-strip { gap: 16px; flex-wrap: wrap; }
  .stat-item { gap: 5px; }
  .filterbar { flex-wrap: wrap; }
  .search-box { flex-basis: calc(100% - 100px); }
  .filters { order: 3; }
  .papers-layout { grid-template-columns: 185px minmax(0,1fr); gap: 20px; }
}
@media (max-width: 760px) {
  :root { --header-height: 106px; }
  .mobile-only { display: inline-flex !important; }
  .masthead { height: var(--header-height); display: grid; grid-template-columns: 1fr; padding: 12px 16px 0; gap: 7px; }
  .brand-area { justify-content: flex-start; }
  .brand { font-size: 17px; gap: 9px; }
  .brand-mark { width: 28px; height: 31px; }
  .brand-mark .icon { width: 19px; height: 19px; }
  .brand small { font-size: 7px; }
  .main-nav { justify-content: space-between; gap: 0; width: 100%; }
  .main-nav button, .main-nav button.aux-nav { padding: 0 9px; height: 35px; font-size: 12px; gap: 5px; }
  .main-nav button .icon { width: 14px; height: 14px; }
  .nav-divider { margin: 0 5px; height: 13px; }
  .sidebar { display: none; position: fixed; top: var(--header-height); left: 0; width: 280px; z-index: 35; height: calc(100dvh - var(--header-height)); padding-top: 25px; border-right: 1px solid var(--line); box-shadow: 12px 0 40px #26262420; }
  .sidebar.open { display: flex; }
  .sidebar-backdrop:not([hidden]) { display: block; position: fixed; inset: var(--header-height) 0 0; z-index: 34; border: 0; background: #2626243d; border-radius: 0; backdrop-filter: blur(2px); }
  .edition { font-size: 8px; }
  main { padding: 18px 20px 30px; }
  .page-heading { margin-bottom: 16px; align-items: flex-start; flex-direction: column; gap: 9px; }
  h1 { font-size: 28px; margin-bottom: 8px; }
  .page-heading p { font-size: 12px; line-height: 1.7; }
  #view-input .page-heading .eyebrow, #view-input .file-label { display: none; }
  .eyebrow { font-size: 8px; margin-bottom: 10px; }
  .page-note { font-size: 10px; }
  .intake-modes-row { margin-bottom: 14px; }
  .intake-modes { width: 100%; grid-template-columns: 1fr; gap: 18px; }
  .intake-mode-card { padding: 12px 14px; }
  .intake-mode-card strong { font-size: 14px; }
  .intake-docbar { flex-direction: column; align-items: stretch; gap: 10px; padding: 14px; }
  .intake-docbar > button { align-self: flex-start; }
  .doc-help { padding: 16px; }
  .doc-help-grid { grid-template-columns: 1fr; gap: 16px; }
  .doc-sample { font-size: 10px; }
  .import-stats { grid-template-columns: 1fr 1fr; }
  .import-tree li { font-size: 11px; padding-left: calc(var(--depth) * 14px); }
  .import-question-head { flex-wrap: wrap; }
  .intake-target { grid-template-columns: 1fr 1fr; gap: 10px 12px; padding: 12px 0; margin-bottom: 16px; }
  .intake-target .target-directory { grid-column: 1 / -1; }
  .intake-target .quiet { grid-column: 1 / -1; grid-row: auto; padding: 3px 0; justify-content: flex-start; font-size: 10px; }
  .intake-target > label:nth-of-type(2), .intake-target > label:nth-of-type(3) { grid-column: auto; }
  .editor-grid { grid-template-columns: 1fr; gap: 18px; }
  .editor-panel > .panel-heading, .preview-panel > .panel-heading { padding: 16px 18px; }
  .editor-meta { gap: 8px; }
  #editor-count { font-size: 9px; }
  .editor-panel textarea { min-height: 260px; height: 300px; padding: 18px; font-size: 12px; }
  .editor-footer { padding: 13px 18px; }
  .editor-footer button { padding: 8px 11px; font-size: 11px; }
  .editor-panel > .hint { padding: 0 18px 16px; font-size: 12px; }
  .check-label { font-size: 12px; gap: 4px; }
  .preview-content { min-height: 250px; max-height: 580px; padding: 0 18px; }
  .preview-content .empty { min-height: 300px; }
  .submit-bar { flex-direction: column; align-items: stretch; gap: 13px; }
  .submit-bar > div { font-size: 12px; }
  .workspace-footer { margin: 0 20px; font-size: 8px; flex-wrap: wrap; gap: 10px; padding: 18px 0; }
  .stats-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; padding: 18px 0; margin-bottom: 20px; }
  .stat-item { font-size: 10px; gap: 9px; }
  .stat-item strong { font-size: 23px; }
  .search-box { flex-basis: calc(100% - 87px); padding: 0 9px; gap: 5px; }
  .search-box input { font-size: 11px; padding: 11px 0; }
  .search-box kbd { display: none; }
  .view-switch { flex: 0 0 auto; }
  .view-switch button { width: 28px; height: 28px; padding: 5px; }
  .filters { width: 100%; }
  .filters select { flex: 1; width: 50%; font-size: 11px; padding: 8px; }
  .list-heading > span:last-child { display: none; }
  .question { grid-template-columns: 25px minmax(0,1fr); gap: 9px; padding: 20px 0; }
  .question-index { font-size: 18px; }
  .question-meta { gap: 6px; font-size: 12px; margin-bottom: 10px; }
  .question-source { max-width: 65%; }
  .question-meta .edit-button { padding: 3px 0; font-size: 9px; }
  .question-meta .edit-button .icon { display: none; }
  .stem { font-size: 14px; line-height: 1.9; }
  .options { font-size: 12px; }
  .question-bottom { font-size: 12px; gap: 8px; flex-wrap: wrap; }
  .question-keyword { max-width: 100%; }
  .practice-meta { gap: 8px; }
  .page-heading .actions { width: 100%; }
  .page-heading .actions button { flex: 1; }
  .quota-row { grid-template-columns: minmax(0,1fr) 65px 49px 20px; gap: 7px; margin-bottom: 16px; }
  .quota-row select, .quota-row input { padding: 8px 4px; font-size: 11px; }
  .profile-pick { padding: 12px; }
  .profile-edit { margin-right: 6px; }
  .create-session { align-items: flex-start; flex-direction: column; gap: 8px; }
  .create-session label { width: 100%; }
  .create-session > p { text-align: left; margin: 0; }
  .paper-list-wrap { position: static; display: flex; align-items: center; gap: 10px; }
  .paper-new { width: 112px; flex: 0 0 112px; align-self: center; flex-direction: column; justify-content: center; gap: 6px; padding: 16px 8px; margin: 0; text-align: center; }
  .papers-layout { grid-template-columns: 1fr; gap: 16px; }
  .paper-list { display: flex; flex: 1 1 auto; min-width: 0; overflow: auto; gap: 10px; padding-bottom: 8px; max-height: none; }
  .paper-card { width: 175px; flex: 0 0 175px; padding: 14px; border-color: var(--line); }
  .paper-card strong { font-size: 19px; }
  .paper-detail { padding: 18px; min-height: 300px; }
  .paper-detail .empty { min-height: 300px; }
  .paper-question .question-meta { padding-right: 80px; }
  .paper-question .pick-toggle { font-size: 10px; }
  .mark-bar { bottom: 10px; padding: 12px; font-size: 12px; }
  .paper-conflict { padding: 12px; }
  .paper-question .pick-toggle { min-height: 36px; }
  .directory .tree-edit { opacity: 1; pointer-events: auto; }
  .directory .tree-row [data-scope] { padding-right: 30px; }
  .directory .tree-row:hover [data-scope] small { opacity: 1; }
  .mark-bar button { padding: 8px 10px; font-size: 11px; }
  .panel-heading { flex-wrap: wrap; }
  dialog { padding: 22px; }
  .form-row { gap: 8px; }
  #toast { width: max-content; font-size: 11px; bottom: 20px; }
}
@media (max-width: 520px) {
  .intake-mode-card { padding: 11px 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}