/* Screen system: course chapters, a saturated current task, a quiet writing surface. */
:root {
  --ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --paper: #fff; --white: #fff; --ink: #141414; --muted: #5a5a5a;
  --line: #b3b3b3; --pink: #fa7891; --pink-soft: #fff1f4; --olive: #677b3a;
  --rail: #fff; --rail-text: #141414; --sidebar-width: 240px;
}
body { background: var(--paper); color: var(--ink); font: 15px/1.6 var(--ui); }
::selection { color: var(--ink); background: #fac4cf; }
* { scrollbar-color: #a3ad92 var(--paper); scrollbar-width: thin; }
button, a { -webkit-tap-highlight-color: #fa789133; }
a { text-underline-offset: 4px; }
:focus-visible { outline: 2px solid #9e304a; outline-offset: 4px; }
textarea, input { caret-color: #9e304a; }
h1,h2,h3 { font-family: var(--serif); font-weight: 500; text-transform: none; letter-spacing: -.025em; text-wrap: balance; }
h1 { font-size: 52px; line-height: 1.05; }
h2 { font-size: 36px; line-height: 1.12; }
h3 { font-size: 28px; line-height: 1.2; }
.button { min-height: 46px; border-radius: 3px; padding: 12px 20px; gap: 22px; font: 600 14px/1.45 var(--ui); letter-spacing: 0; text-transform: none; transition: background .18s, color .18s; }
.primary { color: #fff; background: var(--rail); border-color: var(--rail); }
.primary:hover:not(:disabled) { color: #fff; background: #4b593e; border-color: #4b593e; }
.secondary { background: transparent; border-color: #a4ac98; color: var(--ink); }
.secondary:hover:not(:disabled) { background: #edf0e7; border-color: var(--olive); }
.button:disabled { color: #65695f; background: #e9ece4; border-color: #d7dbcf; opacity: 1; cursor: not-allowed; }
.text-button { font: 500 13px/1.6 var(--ui); }
.icon-button { border-radius: 3px; min-width: 40px; min-height: 40px; }
.icon-button:hover { background: #e8ecdf; border-color: transparent; }
.small-muted { font: 12px/1.6 var(--ui); color: var(--muted); }
.eyebrow { display:none; }
.sidebar { padding: 30px 18px 0; background: var(--rail); color: var(--rail-text); border: 0; }
.sidebar-brand { padding: 0 10px 35px; }
.brand { font: 500 27px/1.15 var(--serif); padding: 0; border: 0; border-radius: 0; background: none; color: inherit; letter-spacing: -.5px; text-transform: none; box-shadow: none; }
.brand:after { content:''; display:block; width:34px; height:5px; margin-top:13px; background:var(--pink); }
.brand-sub { color: #d0d7c7; font: 11px/1.5 var(--ui); letter-spacing: 0; text-transform: none; margin-top: 12px; }
.course-label { font: 11px/1.5 var(--ui); color: #c3ccb8; letter-spacing: .4px; margin-bottom: 10px; padding: 0 10px; }
.course-label>span { color: #c3ccb8; }
.primary-nav { gap: 3px; }
.nav-item { color: #e2e6da; font: 14px/1.5 var(--ui); padding: 12px 10px; min-height: 46px; gap: 12px; border: 0; border-radius: 2px; }
.nav-item.active { color: #272b22; background: var(--pink); border: 0; }
.nav-item:hover:not(.active) { color: #fff; background: #45503b; }
.nav-item>.icon { width: 18px; height: 18px; }
.sidebar-divider { background: #5c6752; margin: 25px 10px; }
.block-nav { gap: 1px; }
.block-nav-item { color: #edf0e7; font: 13px/1.45 var(--ui); padding: 13px 10px; min-height: 48px; border-radius: 2px; gap: 10px; }
.block-nav-item:hover { background: #45503b; color: #fff; }
.block-nav-item.selected { background: #fce3e8; color: #343e2e; }
.block-nav-item.is-locked { color: #c3ccb8; }
.block-num { background: none; border: 0; border-radius: 0; color: inherit; width: 23px; height: 23px; font: 13px/1 var(--body); }
.block-num.done { background: none; color: #cfdeaf; border: 0; }
.selected .block-num { color: #343e2e; }
.tiny-dot { background: var(--pink); }
.block-nav-item>.icon { color: inherit; }
.sidebar-bottom { padding-top: 25px; }
.sidebar-progress { margin: 0 10px; padding: 18px 0 24px; border-color: #5c6752; }
.sidebar-progress>div:first-child { font: 12px/1.5 var(--ui); }
.sidebar-progress strong { color: #edf0e7; }
.sidebar-progress small { font: 11px/1.5 var(--ui); color: #d0d7c7; }
.progress-track { height: 3px; border-radius: 0; background: #5c6752; }
.progress-track i { background: var(--pink); border-radius: 0; }
.profile-button { border-color: #5c6752; padding: 18px 10px; color: #f3f4ed; }
.profile-button:hover { background: #45503b; }
.profile-button strong { font: 500 14px/1.5 var(--ui); }
.profile-button small { color: #d0d7c7; font: 11px/1.5 var(--ui); }
.avatar { border: 1px solid #8f9d7c; background: transparent; color: #fff; border-radius: 50%; font: 24px/1 var(--serif); }
.topbar { padding: 0 42px; min-height: 64px; background: var(--paper); border-color: var(--line); }
.topbar-title { align-items: center; gap: 0; }
.topbar-title>.spine-brand { display: none; }
.topbar-title>.spine-label,.topbar-title>.spine-current { border: 0; padding: 0; font: 13px/1.5 var(--ui); letter-spacing: 0; text-transform: none; max-width: none; white-space: normal; }
.topbar-title>.spine-label { color: var(--muted); }
.topbar-title>.spine-label:after { content:'/'; display:inline-block; margin:0 14px; color:#7c846f; }
.topbar-title>.spine-current { color: var(--ink); }
.topbar-right { gap: 12px; }
.save-state { font: 12px/1.5 var(--ui); color: #506233; gap: 7px; min-height: 40px; }
.save-state>.icon { width: 14px; height: 14px; }
.save-error { color: #9e304a; }
.demo-bar,.content-notice { padding: 7px 42px; background: #eef0e7; border-color: var(--line); color: #59624e; font: 11px/1.6 var(--ui); }
.demo-bar button { font: 11px/1.5 var(--ui); color: #465536; min-height: 28px; }
.demo-bar i { background: var(--olive); width: 5px; height: 5px; border-radius: 50%; }
.main-content { padding: 35px 42px 40px; max-width: 1370px; }
.page-heading { align-items: center; margin-bottom: 28px; }
.page-heading h1 { font: 500 52px/1.05 var(--serif); letter-spacing: -.025em; margin-bottom: 12px; }
.page-heading p { font: 15px/1.6 var(--ui); color: var(--muted); }
.dashboard-heading h1 { font-size: clamp(48px,4.7vw,70px); }
.dashboard-heading h1 em { font-weight: 400; color: var(--olive); }
.course-day { display:flex; align-items:center; gap:7px; background:none; border:0; border-radius:0; font:13px/1.5 var(--ui); color:#53633c; text-transform:none; padding:8px 0; }
.workbook-overview { display:grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 42px; align-items: start; }
.continue-card { position:relative; margin-top:20px; background:var(--pink); color:#35212a; border:0; border-radius:0 12px 12px 12px; }
.chapter-tab { position:absolute; top:-25px; left:0; height:25px; padding:4px 19px; background:var(--pink); border-radius:3px 3px 0 0; font:600 12px/1.5 var(--ui); }
.continue-content { padding:30px; }
.continue-meta { display:flex; align-items:center; justify-content:flex-end; gap:16px; margin-bottom:18px; font:13px/1.5 var(--ui); }
.chapter-number { font:400 84px/.75 var(--serif); letter-spacing:-.03em; color:#663344; }
.continue-content h2 { font:500 clamp(32px,3.2vw,46px)/1.03 var(--serif); letter-spacing:-.025em; max-width:16ch; margin-bottom:16px; }
.continue-content>p { font:15px/1.65 var(--ui); color:#4e2c37; max-width:47ch; margin-bottom:20px; }
.continue-details { display:flex; flex-wrap:wrap; gap:15px; font:12px/1.5 var(--ui); color:#4e2c37; margin-bottom:25px; }
.continue-details>span { display:flex; align-items:center; gap:6px; }
.continue-details .icon { width:14px; height:14px; }
.continue-content .primary { color:#fff; background:#352b30; border-color:#352b30; }
.continue-content .primary:hover { color:#352b30; background:#fff2f5; border-color:#fff2f5; }
.blocks-section { padding-top:0; }
.section-title { align-items:center; margin-bottom:14px; gap:14px; }
.section-title h2 { font:500 30px/1.15 var(--serif); letter-spacing:-.02em; }
.section-title>span { font:12px/1.5 var(--ui); color:var(--muted); }
.chapter-list { border-top:1px solid #9aa48b; }
.chapter-row { display:flex; align-items:center; gap:15px; padding:21px 0; border-bottom:1px solid var(--line); position:relative; }
.chapter-order { color:#66774e; font:400 29px/1 var(--serif); min-width:32px; }
.chapter-info { flex:1; min-width:0; }
.chapter-info h3 { margin:0 0 9px; font:500 25px/1.1 var(--serif); letter-spacing:-.015em; text-wrap:initial; }
.chapter-info h3 button { text-align:left; font:inherit; color:inherit; }
.chapter-info h3 button:hover { text-decoration:underline; text-decoration-thickness:1px; text-underline-offset:4px; }
.chapter-state { display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.chapter-state>span:last-child { font:11px/1.5 var(--ui); color:var(--muted); }
.chapter-open { flex-shrink:0; color:#48583b; }
.current-chapter .chapter-order { background:var(--pink); color:#35212a; padding:8px 4px; border-radius:2px; }
.locked-chapter { color:#62675b; }
.badge { padding:0; background:none; border:0; border-radius:0; font:500 11px/1.5 var(--ui); text-transform:none; letter-spacing:0; color:#506233; gap:5px; }
.badge.available,.badge.completed { color:#506233; background:none; }
.badge.progress { color:#875322; background:none; }
.badge.locked { color:#62675b; background:none; }
.badge .icon { width:12px; height:12px; }
.workbook-progress { padding:27px 0 25px; margin-top:8px; }
.completion-caption { display:flex; justify-content:space-between; gap:20px; font:13px/1.5 var(--ui); color:#58634b; margin-bottom:11px; }
.completion-caption strong { font-weight:500; }
.completion-segments { display:grid; grid-template-columns:repeat(4,1fr); gap:6px; }
.completion-segments>span { height:5px; background:#dfe4d5; }
.completion-segments .done { background:var(--olive); }
.completion-segments .started { background:var(--pink); }
.graduation-banner { border:0; border-top:1px solid #9aa48b; border-bottom:1px solid var(--line); border-radius:0; background:none; margin-top:7px; padding:23px 0; gap:18px; }
.graduation-icon { background:none; border:0; color:var(--olive); width:34px; height:40px; }
.graduation-icon>.icon { width:30px; height:30px; }
.graduation-banner h3 { font:500 28px/1.15 var(--serif); margin-bottom:6px; }
.graduation-banner p { color:var(--muted); font:13px/1.6 var(--ui); }
.graduation-banner .button { font-size:13px; min-height:42px; }
.page-footer { margin:0 42px; padding:21px 0; border-color:var(--line); color:var(--muted); font:10px/1.6 var(--ui); letter-spacing:0; }
.back-link { font:13px/1.5 var(--ui); min-height:40px; margin-bottom:20px; text-transform:none; letter-spacing:0; color:#53633c; }
.block-page-heading { border-color:var(--line); align-items:center; padding-bottom:26px; margin-bottom:30px; }
.block-page-heading h1 { font:500 50px/1.05 var(--serif); letter-spacing:-.025em; margin:0 0 15px; }
.block-page-heading p { font:15px/1.7 var(--ui); color:var(--muted); max-width:68ch; }
.block-heading-meta { gap:10px; }
.block-heading-meta>span:last-child { font:12px/1.6 var(--ui); color:var(--muted); }
.block-editor-layout { grid-template-columns:180px minmax(0,1fr); gap:35px; }
.section-sidebar { background:none; padding:0; border:0; top:24px; }
.section-tab { font:14px/1.5 var(--ui); color:#535e48; border-color:var(--line); border-radius:2px; padding:13px 10px; min-height:46px; }
.section-tab>span { font:12px/1.5 var(--ui); color:inherit; }
.section-tab.active { color:#35212a; background:var(--pink-soft); border-color:var(--line); }
.editor-note { font:12px/1.7 var(--ui); color:var(--muted); padding:19px 0; border-color:var(--line); }
.section-sidebar>.button { font-size:12px; padding:11px; gap:8px; }
.section-sidebar>.small-muted { font:12px/1.6 var(--ui); }
.subblock-heading { margin-bottom:24px; padding-bottom:0; }
.subblock-heading h2 { font:500 34px/1.15 var(--serif); letter-spacing:-.02em; margin:0 0 10px; }
.subblock-heading p { font:14px/1.7 var(--ui); color:var(--muted); }
.questions-content { min-width:0; max-width:850px; }
.question-card { background:transparent; border:0; border-top:1px solid var(--line); border-radius:0; padding:26px 0; margin-bottom:0; }
.question-heading { gap:12px; margin-bottom:19px; }
.question-number { font:italic 22px/1.2 var(--body); color:#9e304a; }
.question-heading label { font:600 18px/1.5 var(--ui); letter-spacing:0; }
.question-heading p { font:14px/1.7 var(--ui); color:var(--muted); margin-top:8px; max-width:68ch; }
.required-mark { color:#9e304a; font:16px/1 var(--ui); }
.optional-label { font:12px/1.6 var(--ui); color:var(--muted); }
textarea { background:#fff; background-image:none; color:var(--ink); border:1px solid #aab29e; border-radius:4px; padding:16px 18px; font:16px/1.75 var(--ui); min-height:170px; box-shadow:none; }
textarea::placeholder { color:#6b7064; }
textarea:focus { border-color:var(--olive); outline:2px solid #677b3a; outline-offset:2px; box-shadow:none; }
textarea[aria-invalid=true] { border-color:#9e304a; outline-color:#9e304a; }
.answer-meta { margin-top:11px; }
.question-hint,.word-count { font:12px/1.5 var(--ui); color:#626b56; }
.word-count { font-variant-numeric:tabular-nums; }
.word-count.over-limit,.field-error,.form-error { color:#9e304a; }
.field-error,.form-error { font:13px/1.7 var(--ui); }
.upload-area { border-color:#aab29e; border-radius:4px; background:#f1f3ec; padding:30px 20px; }
.upload-area>strong { font:600 16px/1.5 var(--ui); color:#465536; }
.upload-area>span { font:14px/1.6 var(--ui); color:#53633c; }
.upload-area>small { font:12px/1.6 var(--ui); color:#53633c; }
.upload-area>span label,.file-name { color:#76344a; }
.file-name { font:500 15px/1.6 var(--ui); }
.uploaded-file small { font:12px/1.6 var(--ui); color:var(--muted); }
.editor-bottom { padding-top:23px; margin-top:15px; border-color:var(--line); }
.editor-bottom .button { font-size:13px; }
.error-banner { border:1px solid #c97e91; background:#fce3e8; color:#76243c; font:13px/1.7 var(--ui); }
.final-intro { border-color:var(--line); padding:25px 0; }
.final-intro h2 { font:500 34px/1.15 var(--serif); margin-bottom:12px; }
.final-intro p { font:15px/1.7 var(--ui); color:var(--muted); }
.final-mark { background:var(--pink-soft); color:#76344a; border:0; }
.final-check-item { font:16px/1.5 var(--ui); padding:22px 0; border-color:var(--line); }
.final-locked { font:13px/1.7 var(--ui); color:var(--muted); }
.download-row { border-color:var(--line); gap:18px; }
.download-row h3 { font:500 29px/1.15 var(--serif); margin-bottom:9px; }
.download-row p { font:14px/1.6 var(--ui); color:var(--muted); }
.block-icon { background:none; border:0; color:var(--olive); }
.block-icon.rose,.block-icon.sage,.block-icon.sand,.block-icon.lilac { background:none; color:var(--olive); }
.attachment { border-color:var(--line); }
.attachment strong { font:500 15px/1.5 var(--ui); }
.attachment small { color:var(--muted); font:12px/1.5 var(--ui); }
.help-grid { gap:25px; }
.help-card { background:none; border-color:var(--line); padding:25px 0; }
.help-card h3 { font-size:30px; }
.help-card p,.empty-card p { font:15px/1.7 var(--ui); color:var(--muted); }
.empty-small { font:15px/1.7 var(--ui); color:var(--muted); }
.profile-card h2 { font:500 40px/1.15 var(--serif); }
.profile-card dl>div { font:15px/1.7 var(--ui); border-color:var(--line); }
.profile-card dd { font:14px/1.7 var(--ui); }
.admin-stats>div { border-color:var(--line); }
.admin-stats strong { font:500 48px/1 var(--serif); }
.admin-stats span,.admin-stats small,.admin-block-stats { font:13px/1.6 var(--ui); color:var(--muted); }
.table-toolbar { border-color:var(--line); }
.search-field input { font:15px/1.6 var(--ui); }
.table-toolbar select,.column-picker,.table-bottom { font:13px/1.6 var(--ui); color:var(--muted); }
.column-options { background:var(--paper); }
.column-options label { font:14px/1.6 var(--ui); }
th { font:600 12px/1.5 var(--ui); color:#4f5a44; background:#eef0e7; }
td { font:14px/1.6 var(--ui); color:var(--ink); }
th,td { border-color:var(--line); }
.student-name { font:600 14px/1.5 var(--ui); }
.student-drawer { background:var(--paper); }
.student-drawer>h2 { font:500 42px/1.05 var(--serif); }
.detail-answer p { font:15px/1.7 var(--ui); color:var(--muted); }
.auth-story { background:var(--rail); color:#f3f4ed; }
.auth-story h1 { font:400 clamp(52px,6vw,86px)/.98 var(--serif); letter-spacing:-.025em; }
.auth-story h1 em { color:var(--pink); }
.auth-story-body>p { color:#e0e5d6; font:16px/1.7 var(--ui); }
.auth-quote { border-color:#7c896b; }
.auth-quote>p { font:italic 28px/1.2 var(--body); color:#f3f4ed; }
.auth-quote>span { color:var(--pink); }
.auth-caption { color:#d0d7c7; font:11px/1.5 var(--ui); }
.auth-panel { background:var(--paper); }
.auth-box { max-width:390px; }
.auth-chapter { font:12px/1.5 var(--ui); color:var(--muted); border-color:var(--line); }
.auth-box h2 { font:500 44px/1.05 var(--serif); }
.auth-box>.muted { color:var(--muted); font:15px/1.7 var(--ui); }
.auth-form>label { color:var(--ink); font:500 14px/1.6 var(--ui); letter-spacing:0; }
.auth-form input { color:var(--ink); background:#fff; border:1px solid #aab29e; border-radius:4px; padding:12px; font:16px/1.5 var(--ui); }
.auth-form input::placeholder { color:#6b7064; }
.auth-form input:focus { outline:2px solid var(--olive); outline-offset:2px; border-color:var(--olive); box-shadow:none; }
.auth-switch,.auth-demo>span { color:var(--muted); font:14px/1.6 var(--ui); }
.auth-demo>small,.auth-security { color:var(--muted); font:12px/1.6 var(--ui); }
.toast { font:13px/1.6 var(--ui); border:1px solid #7c896b; background:var(--rail); box-shadow:0 8px 24px #272b2220; }
.toast.error { border:1px solid #c97e91; }
@keyframes chapter-unfold { from { clip-path:inset(0 4% 0 0); } to { clip-path:inset(0); } }
.continue-card { animation:chapter-unfold .45s cubic-bezier(.16,1,.3,1); }
@media(min-width:1500px) { .main-content { padding-top:40px; } }
@media(max-width:1250px) {
  :root { --sidebar-width:220px; }
  .main-content { padding:30px; } .topbar { padding:0 30px; }
  .demo-bar,.content-notice { padding-left:30px; padding-right:30px; }
  .page-footer { margin:0 30px; } .workbook-overview { gap:28px; }
  .continue-content { padding:26px; } .chapter-row { gap:10px; padding:20px 0; }
  .chapter-info h3 { font-size:24px; } .chapter-state { gap:8px; }
}
@media(max-width:1050px) {
  .block-editor-layout { grid-template-columns:1fr; gap:25px; }
  .section-sidebar { position:static; display:flex; flex-wrap:wrap; gap:10px; padding-bottom:20px; border-bottom:1px solid var(--line); }
  .section-tab { width:auto; } .section-sidebar>.button { margin-left:auto; }
  .section-sidebar>.small-muted { width:100%; }
  .block-page-heading { align-items:flex-start; }
  .chapter-state { gap:6px; } .chapter-state>span:last-child { display:none; }
  .workbook-overview { grid-template-columns:1.05fr 1fr; gap:25px; }
  .chapter-number { font-size:68px; } .continue-content h2 { font-size:36px; }
  .chapter-info h3 { font-size:23px; } .chapter-open { min-width:32px; }
}
@media(max-width:760px) {
  :root { --sidebar-width:260px; }
  .sidebar { padding:30px 18px 0; } .sidebar .brand { font:500 27px/1.15 var(--serif); padding:0; }
  .sidebar .brand-sub { font:11px/1.5 var(--ui); }
  .close-menu { color:var(--rail-text); right:-4px; top:0; }
  .close-menu:hover { background:#45503b; }
  .topbar { min-height:64px; padding:0 20px; gap:8px; }
  .topbar-title { gap:10px; }
  .topbar-title>.spine-current { max-width:150px; font-size:12px; }
  .topbar .save-state { max-width:130px; font-size:10px; }
  .topbar-right { gap:5px; }
  .topbar-right>.icon-button { min-width:28px; }
  .demo-bar,.content-notice { padding:7px 20px; font-size:10px; }
  .demo-bar button { font-size:10px; }
  .main-content { padding:27px 20px 32px; }
  .page-heading { margin-bottom:28px; }
  .page-heading h1 { font-size:44px; line-height:1.05; }
  .dashboard-heading h1 { font-size:52px; }
  .page-heading p { font-size:14px; }
  .course-day { display:none; }
  .workbook-overview { grid-template-columns:1fr; gap:32px; }
  .continue-content { padding:25px; }
  .continue-content h2 { font-size:39px; max-width:16ch; }
  .continue-content>p { font-size:14px; }
  .continue-meta { margin-bottom:20px; font-size:12px; }
  .chapter-number { font-size:72px; }
  .continue-details { font-size:12px; margin-bottom:22px; }
  .continue-content .button { width:100%; justify-content:space-between; }
  .section-title h2 { font-size:30px; } .section-title>span { font-size:11px; }
  .chapter-row { padding:19px 0; gap:13px; }
  .chapter-info h3 { font-size:26px; }
  .chapter-state>span:last-child { display:block; }
  .chapter-open { min-width:40px; }
  .workbook-progress { padding-top:25px; margin-top:0; }
  .completion-caption { font-size:12px; }
  .graduation-banner { padding:23px 0; gap:14px; }
  .graduation-banner h3 { font-size:28px; }
  .graduation-banner p { font-size:13px; }
  .graduation-banner .button { width:100%; justify-content:space-between; margin-top:8px; }
  .page-footer { margin:0 20px; font-size:10px; }
  .block-page-heading h1 { font-size:40px; overflow-wrap:normal; }
  .block-page-heading p { font-size:14px; }
  .block-heading-meta { flex-wrap:wrap; gap:12px; }
  .section-sidebar { padding:0 0 18px; gap:8px; }
  .section-sidebar>.button:disabled,.section-sidebar>.small-muted { display:none; }
  .section-sidebar>.button { margin-left:0; }
  .section-tab { font-size:13px; min-height:44px; }
  .subblock-heading h2 { font-size:32px; } .subblock-heading p { font-size:14px; }
  .question-card { padding:23px 0; } .question-number { font-size:21px; }
  .question-heading label { font-size:17px; } .question-heading p { font-size:14px; }
  textarea { font-size:16px; padding:14px; min-height:170px; }
  .question-hint { font-size:11px; max-width:205px; } .word-count { font-size:11px; }
  .editor-bottom { gap:18px; } .editor-bottom .button { width:100%; justify-content:space-between; }
  .final-check-item { font-size:14px; gap:10px; } .final-check-item>.badge { font-size:10px; }
  .final-locked { font-size:12px; } .final-intro p { font-size:14px; }
  .download-row h3 { font-size:28px; } .download-row p { font-size:13px; }
  .download-row .button { font-size:12px; }
  .table-toolbar select,.column-picker,.table-bottom { font-size:12px; }
  .admin-stats span,.admin-stats small,.admin-block-stats { font-size:12px; }
  .auth-story { min-height:auto; padding:24px 25px; }
  .auth-story-body,.auth-caption { display:none; }
  .auth-story>.brand { font:500 28px/1.15 var(--serif); padding:0; }
  .auth-panel { padding:30px 25px 40px; }
  .auth-box h2 { font-size:40px; }
  .auth-chapter { margin-bottom:26px; } .auth-form input { font-size:16px; }
  .auth-security { font-size:11px; } .toast { font-size:12px; }
}
@media(max-width:370px) {
  .dashboard-heading h1 { font-size:46px; } .continue-content { padding:22px; }
  .continue-content h2 { font-size:35px; } .chapter-info h3 { font-size:24px; }
  .chapter-state { gap:6px; } .chapter-state>span:last-child { font-size:10px; }
  .topbar-title>.spine-current { max-width:115px; }
  .topbar .save-state { max-width:115px; } .question-hint { max-width:175px; }
}
@media(prefers-reduced-motion:reduce) { *,*::before,*::after { animation:none!important; transition:none!important; } }

.required-tail { white-space:nowrap; }
.required-mark { display:inline; margin-left:4px; }
.download-row .button { font:600 13px/1.45 var(--ui); min-height:44px; }
.avatar { color:var(--ink); }
.sidebar .avatar { color:#fff; }
.editor-bottom .save-state { font:12px/1.5 var(--ui); }

/* Figma 5052:48: white paper, square spine tabs, serif reading and fine rules. */
body { font:19px/1.55 var(--body); }
h1,h2,h3 { font-weight:400; letter-spacing:-.025em; }
h1,h2 { text-transform:uppercase; }
::selection { background:#ffd4de; color:#141414; }
* { scrollbar-color:#b3b3b3 #fff; }
.button { font:400 11px/1.6 var(--mono); text-transform:uppercase; letter-spacing:.35px; border-radius:0; min-height:46px; }
.primary { background:#141414; border-color:#141414; color:#fff; }
.primary:hover:not(:disabled) { background:var(--pink); border-color:var(--pink); color:#141414; }
.secondary { background:#fff; border-color:var(--line); color:#141414; }
.secondary:hover:not(:disabled) { background:#fff1f4; border-color:#141414; }
.button:disabled { color:#626262; background:#f4f4f4; border-color:#d0d0d0; }
.text-button { font:11px/1.6 var(--mono); }
.icon-button { border-radius:0; }
.icon-button:hover { background:#fff1f4; }
.sidebar { background:#fff; color:#141414; border-right:1px solid var(--line); }
.sidebar-brand { padding:0 8px 32px; }
.brand { display:inline-flex; padding:12px 16px; font:11px/1.5 var(--mono); text-transform:uppercase; letter-spacing:1.2px; background:var(--pink); color:#141414; border:1px solid var(--line); }
.brand:after { display:none; }
.brand-sub { color:#5a5a5a; font:10px/1.7 var(--mono); margin-top:12px; }
.course-label { color:#5a5a5a; font:10px/1.6 var(--mono); letter-spacing:.2px; }
.course-label>span { color:var(--olive); }
.nav-item { color:#141414; font:18px/1.5 var(--body); border-radius:0; border:1px solid transparent; }
.nav-item.active { color:#141414; background:#fff1f4; border-color:#f2ccd6; }
.nav-item:hover:not(.active) { background:#f7f7f7; color:#141414; }
.sidebar-divider { background:var(--line); }
.block-nav-item { color:#141414; font:17px/1.4 var(--body); border-radius:0; }
.block-nav-item>span:nth-child(2) { min-width:0; overflow-wrap:anywhere; }
.block-nav-item:hover { background:#f7f7f7; color:#141414; }
.block-nav-item.selected { color:#141414; background:#fff1f4; }
.block-nav-item.is-locked { color:#666; }
.block-num { width:26px; height:26px; border:1px solid var(--line); font:11px/1 var(--mono); color:#5a5a5a; }
.block-num.done { background:var(--olive); color:#fff; border-color:var(--olive); }
.selected .block-num { background:var(--pink); border-color:var(--pink); color:#141414; }
.sidebar-progress { border-color:#141414; }
.sidebar-progress>div:first-child { font:11px/1.5 var(--mono); }
.sidebar-progress strong { color:var(--olive); }
.sidebar-progress small { color:#5a5a5a; font:10px/1.6 var(--mono); }
.progress-track { background:#ededed; }
.profile-button { color:#141414; border-color:var(--line); }
.profile-button:hover { background:#f7f7f7; }
.profile-button strong { font:19px/1.4 var(--body); }
.profile-button small { color:#5a5a5a; font:10px/1.5 var(--mono); }
.avatar,.sidebar .avatar { color:#141414; background:#fff; border:1px solid var(--line); border-radius:0; }
.topbar { background:#fff; min-height:74px; }
.topbar-title>.spine-brand { display:block; background:var(--pink); color:#141414; border:1px solid var(--line); }
.topbar-title>.spine-brand,.topbar-title>.spine-label,.topbar-title>.spine-current { font:10px/1.5 var(--mono); text-transform:uppercase; letter-spacing:.3px; padding:11px 13px; }
.topbar-title>.spine-label,.topbar-title>.spine-current { border-right:1px solid var(--line); }
.topbar-title>.spine-label:after { display:none; }
.save-state,.editor-bottom .save-state { color:var(--olive); font:11px/1.5 var(--mono); }
.demo-bar,.content-notice { background:#fafafa; color:#5a5a5a; font:10px/1.6 var(--mono); }
.demo-bar button { color:#5a5a5a; font:10px/1.5 var(--mono); }
.demo-bar i { background:var(--pink); }
.main-content { max-width:1300px; }
.page-heading { padding-bottom:24px; border-bottom:1px solid #141414; margin-bottom:37px; }
.page-heading h1,.dashboard-heading h1 { font:400 clamp(38px,3.4vw,52px)/1.05 var(--serif); text-transform:uppercase; letter-spacing:-.025em; }
.page-heading p { color:#5a5a5a; font:21px/1.5 var(--body); }
.course-day { color:var(--olive); font:11px/1.5 var(--mono); }
.workbook-overview { gap:45px; }
.continue-card { background:#fff; color:#141414; border:0; border-bottom:1px solid var(--line); border-radius:0; margin-top:0; animation:none; }
.chapter-tab { position:static; display:table; height:auto; padding:8px 12px; background:var(--pink); font:11px/1.5 var(--mono); border-radius:0; margin-bottom:22px; }
.continue-content { padding:0 0 25px; }
.continue-content h2 { font:400 clamp(34px,2.8vw,44px)/1.05 var(--serif); text-transform:uppercase; letter-spacing:-.025em; max-width:19ch; margin-bottom:20px; }
.continue-content>p { color:#5a5a5a; font:21px/1.5 var(--body); max-width:47ch; margin-bottom:17px; }
.continue-details { color:#5a5a5a; font:11px/1.6 var(--mono); margin-bottom:22px; }
.continue-content .primary { background:#141414; border-color:#141414; color:#fff; }
.continue-content .primary:hover { background:var(--pink); border-color:var(--pink); color:#141414; }
.workbook-quote { position:relative; display:flex; align-items:center; gap:13px; margin-top:26px; padding-top:19px; border-top:1px solid var(--line); }
.workbook-quote>span { font:52px/.7 'Bebas Neue',sans-serif; color:var(--pink); height:29px; }
.workbook-quote>p { font:italic 23px/1.25 var(--body); color:#141414; }
.workbook-quote>span:last-child { align-self:flex-end; }
.section-title h2 { font:400 29px/1.1 var(--serif); text-transform:uppercase; }
.section-title>span { font:10px/1.5 var(--mono); color:#5a5a5a; }
.chapter-list { border-top:1px solid #141414; }
.chapter-row { padding:20px 0; border-color:var(--line); }
.chapter-order { color:var(--olive); font:italic 25px/1 var(--body); }
.chapter-info h3 { font:400 27px/1.12 var(--serif); }
.chapter-state>span:last-child { font:10px/1.5 var(--mono); color:#5a5a5a; }
.current-chapter .chapter-order { background:#fff1f4; color:#9e304a; border-radius:0; }
.chapter-open { color:#141414; }
.locked-chapter { color:#666; }
.badge { font:10px/1.5 var(--mono); }
.badge.available,.badge.completed { color:var(--olive); }
.badge.progress { color:#9e304a; }
.badge.locked { color:#626262; }
.workbook-progress { margin-top:0; padding:28px 0 25px; }
.completion-caption { color:#5a5a5a; font:11px/1.5 var(--mono); }
.completion-segments>span { height:3px; background:#e8e8e8; }
.graduation-banner { border-top-color:#141414; border-bottom-color:#141414; margin-top:10px; }
.graduation-icon { color:var(--pink); }
.graduation-banner h3 { font:400 30px/1.15 var(--serif); }
.graduation-banner p { font:19px/1.5 var(--body); color:#5a5a5a; }
.graduation-banner .button { font-size:11px; }
.page-footer { font:10px/1.6 var(--mono); }
.back-link { color:#5a5a5a; font:11px/1.5 var(--mono); text-transform:uppercase; }
.block-page-heading { display:block; border:0; padding-bottom:0; margin-bottom:30px; }
.block-page-heading h1 { font:400 clamp(36px,3.3vw,50px)/1.05 var(--serif); text-transform:uppercase; padding-bottom:17px; margin:0 0 23px; border-bottom:1px solid #141414; }
.lesson-instruction { display:flex; align-items:flex-start; gap:15px; max-width:76ch; }
.lesson-instruction>span { color:var(--pink); font:64px/.7 'Bebas Neue',sans-serif; height:38px; margin-top:4px; }
.lesson-instruction>span:last-child { align-self:flex-end; }
.block-page-heading .lesson-instruction p { font:21px/1.5 var(--body); color:#141414; max-width:66ch; }
.block-heading-meta { flex-direction:row; align-items:center; justify-content:space-between; margin-top:23px; padding-bottom:20px; border-bottom:1px solid var(--line); gap:16px; flex-wrap:wrap; }
.block-heading-meta>span:last-child { font:11px/1.5 var(--mono); color:#5a5a5a; }
.block-editor-layout { grid-template-columns:180px minmax(0,1fr); gap:40px; }
.section-tab { font:18px/1.4 var(--body); color:#141414; border-radius:0; }
.section-tab>span { font:11px/1.5 var(--mono); }
.section-tab.active { background:var(--pink); border-color:var(--pink); color:#141414; }
.editor-note { font:17px/1.5 var(--body); color:#5a5a5a; }
.section-sidebar>.button { font-size:10px; }
.section-sidebar>.small-muted { font:11px/1.6 var(--mono); }
.subblock-heading { margin-bottom:23px; }
.subblock-heading h2 { font:400 30px/1.15 var(--serif); text-transform:uppercase; }
.subblock-heading p { font:20px/1.5 var(--body); color:#5a5a5a; }
.question-card { border-top:1px solid var(--line); padding:25px 0; }
.question-number { font:italic 22px/1.2 var(--accent); color:#b93b58; }
.question-heading label { font:400 23px/1.3 var(--body); color:#141414; }
.question-heading p { font:19px/1.5 var(--body); color:#5a5a5a; }
.optional-label { font:11px/1.5 var(--mono); }
textarea { font:21px/36px var(--body); color:#141414; padding:7px 12px 6px; border:0; border-bottom:1px solid var(--line); border-radius:0; background-color:#fff; background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 35px,#d6d6d6 35px,#d6d6d6 36px); background-origin:content-box; background-clip:content-box; min-height:180px; }
textarea::placeholder { color:#666; }
textarea:focus { outline:2px solid var(--olive); outline-offset:4px; border-color:var(--olive); box-shadow:none; }
.question-hint,.word-count { font:10px/1.6 var(--mono); color:#5a5a5a; }
.upload-area { background:#fff; border-color:var(--line); border-radius:0; }
.upload-area>strong { font:600 20px/1.4 var(--body); color:#141414; }
.upload-area>span { font:19px/1.5 var(--body); color:#5a5a5a; }
.upload-area>small { color:#5a5a5a; font:10px/1.6 var(--mono); }
.final-mark { background:#fff; color:var(--pink); border:1px solid var(--line); }
.final-intro h2 { font:400 33px/1.1 var(--serif); }
.final-intro p { font:20px/1.5 var(--body); color:#5a5a5a; }
.final-check-item { font:20px/1.5 var(--body); }
.download-row h3 { font:400 30px/1.1 var(--serif); }
.download-row p { font:19px/1.5 var(--body); color:#5a5a5a; }
.download-row .button { font:11px/1.5 var(--mono); }
.help-card p,.empty-card p { font:20px/1.5 var(--body); }
.auth-story { background:#fff; color:#141414; border-right:1px solid var(--line); }
.auth-story h1 { font-weight:400; text-transform:uppercase; }
.auth-story h1 em { color:#141414; text-transform:none; }
.auth-story-body>p { font:21px/1.5 var(--body); color:#5a5a5a; }
.auth-quote { border-color:var(--line); }
.auth-quote>p { color:#141414; }
.auth-quote>span { color:var(--pink); }
.auth-caption { color:#5a5a5a; font:10px/1.6 var(--mono); }
.auth-box h2 { font:400 43px/1.05 var(--serif); }
.auth-box>.muted { font:20px/1.5 var(--body); }
.auth-form input { border-radius:0; border-color:var(--line); font:21px/1.5 var(--body); }
.auth-form>label { font:11px/1.6 var(--mono); }
.auth-story>.brand { font:11px/1.5 var(--mono); padding:12px 16px; }
.toast { background:#141414; font:12px/1.6 var(--mono); border-color:#141414; }
@media(max-width:1250px) {
 .topbar-title>.spine-brand,.topbar-title>.spine-label,.topbar-title>.spine-current { font-size:9px; padding:10px; }
 .workbook-overview { gap:30px; }
 .continue-content { padding:0 0 23px; }
 .chapter-info h3 { font-size:25px; }
}
@media(max-width:1050px) {
 .topbar-title>.spine-label { display:none; }
 .block-editor-layout { grid-template-columns:1fr; gap:25px; }
 .continue-content h2 { font-size:36px; }
 .section-sidebar>.button { font-size:10px; }
}
@media(max-width:760px) {
 .sidebar .brand { font:11px/1.5 var(--mono); padding:12px 16px; }
 .sidebar .brand-sub { font:10px/1.6 var(--mono); }
 .close-menu { color:#141414; } .close-menu:hover { background:#fff1f4; }
 .topbar { min-height:64px; }
 .topbar-title>.spine-brand { display:none; }
 .topbar-title>.spine-current { padding:0; border:0; font:10px/1.5 var(--mono); }
 .topbar .save-state { font:10px/1.5 var(--mono); }
 .demo-bar,.content-notice { font:9px/1.6 var(--mono); }
 .demo-bar button { font:9px/1.5 var(--mono); }
 .page-heading { padding-bottom:22px; margin-bottom:28px; }
 .page-heading h1,.dashboard-heading h1 { font:400 38px/1.02 var(--serif); }
 .page-heading p { font:20px/1.5 var(--body); }
 .workbook-overview { grid-template-columns:1fr; gap:30px; }
 .continue-content { padding:0 0 22px; }
 .continue-content h2 { font:400 38px/1.04 var(--serif); max-width:19ch; }
 .continue-content>p { font:20px/1.5 var(--body); }
 .continue-details { font:10px/1.6 var(--mono); gap:10px; }
 .workbook-quote { margin-top:22px; padding-top:20px; }
 .workbook-quote>p { font-size:22px; }
 .section-title h2 { font-size:28px; } .section-title>span { font-size:10px; }
 .chapter-info h3 { font-size:27px; }
 .chapter-state>span:last-child { font-size:10px; }
 .completion-caption { font-size:10px; }
 .graduation-banner h3 { font-size:29px; } .graduation-banner p { font:19px/1.5 var(--body); }
 .graduation-banner .button { font-size:11px; }
 .block-page-heading h1 { font-size:36px; padding-bottom:16px; margin-bottom:20px; }
 .block-page-heading .lesson-instruction p { font:20px/1.5 var(--body); }
 .lesson-instruction { gap:10px; } .lesson-instruction>span { font-size:48px; height:30px; }
 .block-heading-meta { margin-top:20px; gap:12px; } .block-heading-meta>span:last-child { font-size:10px; }
 .section-tab { font:18px/1.4 var(--body); } .section-tab>span { font-size:10px; }
 .subblock-heading h2 { font-size:29px; } .subblock-heading p { font:19px/1.5 var(--body); }
 .question-heading label { font:400 22px/1.3 var(--body); } .question-heading p { font:19px/1.5 var(--body); }
 textarea { font:21px/36px var(--body); padding:7px 8px 6px; }
 .question-hint,.word-count { font:10px/1.6 var(--mono); }
 .editor-bottom .save-state { font:11px/1.5 var(--mono); }
 .editor-bottom .button { font:11px/1.6 var(--mono); }
 .download-row p { font:19px/1.5 var(--body); }
 .auth-story { padding:23px 25px; border-right:0; border-bottom:1px solid var(--line); }
 .auth-box h2 { font-size:38px; } .auth-box>.muted { font:20px/1.5 var(--body); }
 .auth-form input { font:21px/1.5 var(--body); }
 .auth-story>.brand { font:11px/1.5 var(--mono); padding:12px 16px; }
}
@media(max-width:370px) {
 .page-heading h1,.dashboard-heading h1 { font-size:34px; }
 .continue-content h2 { font-size:35px; }
 .block-page-heading h1 { font-size:32px; }
 .chapter-info h3 { font-size:25px; }
}
/* Original course content: choices, source instructions, signatures and multi-file tasks. */
.answer-choices { border:0; margin:0; padding:0; display:grid; gap:9px; }
.choice-option { display:flex; align-items:flex-start; gap:12px; padding:12px 14px; border:1px solid #d4d4d4; font:20px/1.4 var(--body); cursor:pointer; min-height:46px; }
.choice-option:has(input:checked) { background:#fff1f4; border-color:#c46c81; }
.choice-option input { width:18px; height:18px; flex-shrink:0; margin:5px 0 0; accent-color:#9e304a; }
.choice-limit,.checkpoint-note { font:11px/1.7 var(--mono); color:#5a5a5a; margin-top:13px; }
.lesson-copy,.lesson-guide { font:20px/1.55 var(--body); color:#333; max-width:72ch; margin:0 0 24px; }
.lesson-copy p,.lesson-guide p { margin-bottom:14px; white-space:pre-line; }
.lesson-copy ul,.lesson-guide ul { margin:12px 0 20px; padding-left:24px; }
.lesson-copy li,.lesson-guide li { margin-bottom:7px; }
.lesson-guide { border-top:1px solid #b3b3b3; border-bottom:1px solid #b3b3b3; }
.lesson-guide summary { padding:14px 0; font:12px/1.6 var(--mono); color:#677b3a; cursor:pointer; min-height:46px; }
.lesson-guide>div { padding:10px 0 15px; }
.additional-sections { margin:20px 0 35px; border-top:1px solid #141414; padding-top:22px; }
.additional-sections h2 { font:400 28px/1.1 var(--serif); margin-bottom:14px; }
.additional-row { width:100%; display:flex; align-items:center; gap:20px; text-align:left; padding:17px 0; border-bottom:1px solid #b3b3b3; font:24px/1.2 var(--body); }
.additional-row>span:first-child { flex:1; }
.additional-row small { display:block; margin-top:9px; font:10px/1.7 var(--mono); color:#5a5a5a; }
.upload-area .uploaded-file { width:100%; margin-bottom:15px; text-align:left; }
.file-add { display:flex; flex-direction:column; align-items:center; gap:7px; cursor:pointer; padding:15px; width:100%; }
.file-add strong { font:600 20px/1.3 var(--body); }
.file-add span { font:18px/1.5 var(--body); }
.file-add .icon { color:#677b3a; }
.declaration-sheet { max-width:850px; }
.declaration-name { display:flex; flex-direction:column; gap:10px; font:12px/1.5 var(--mono); margin:25px 0; }
.declaration-name input { font:22px/1.5 var(--body); border:1px solid #b3b3b3; padding:12px; border-radius:0; }
.signature-options { padding-top:24px; border-top:1px solid #b3b3b3; margin-bottom:25px; }
.signature-options h2 { font:400 30px/1.1 var(--serif); margin-bottom:15px; }
.signature-options>p { font:20px/1.5 var(--body); margin-bottom:20px; }
#signature-canvas { display:block; width:100%; height:200px; border:1px solid #767676; background:#fff; touch-action:none; margin-top:20px; cursor:crosshair; }
.signature-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:15px; }
.declaration-date { margin:20px 0; font:13px/1.6 var(--mono); }
@media(max-width:760px) {
 .choice-option { font-size:20px; padding:12px; }
 .lesson-copy,.lesson-guide { font-size:19px; }
 .additional-row { flex-wrap:wrap; gap:13px; font-size:23px; }
 .additional-row>span:first-child { flex-basis:100%; }
 .additional-row>.icon { margin-left:auto; }
 .signature-actions .button { width:100%; }
 #signature-canvas { height:160px; }
 .declaration-sheet>.button { width:100%; }
 .sidebar { overflow-y:auto; }
 .sidebar .sidebar-bottom { margin-top:22px; }
}
.sidebar { overflow-y:auto; }
.sidebar-brand,.primary-nav,.block-nav,.sidebar-bottom { flex-shrink:0; }
.clear-choice { margin-top:8px; min-height:36px; }
.number-answer { display:block; max-width:260px; width:100%; border:1px solid #767676; border-radius:0; padding:10px 12px; font:22px/1.5 var(--body); color:#141414; background:#fff; }
.number-answer:focus { outline:2px solid #677b3a; outline-offset:3px; }
@media(max-width:760px) { .block-page-heading h1 { font-size:clamp(24px,7.5vw,36px); overflow-wrap:normal; } }
/* Account verification follows the existing workbook typography and controls. */
.mfa-layout { min-height: 100vh; display: grid; place-items: center; padding: 32px 20px; }
.mfa-panel { width: min(100%, 520px); display: grid; gap: 20px; }
.mfa-panel h1 { margin: 12px 0 0; }
.mfa-panel p { margin: 0; }
.mfa-panel label { display: grid; gap: 8px; }
.mfa-panel .mfa-key { width: 100%; box-sizing: border-box; font-family: 'JetBrains Mono', monospace; font-size: 16px; line-height: 1.7; padding: 12px; overflow-wrap: anywhere; resize: none; }
.mfa-panel .mfa-key:focus { outline: 2px solid var(--olive, #677b3a); outline-offset: 3px; }