:root {
  --font-small: 14px;
  --font-base: 16px;
  --font-section: 20px;
  --font-title: 28px;
  --ink: #1e3551;
  --muted: #65768c;
  --blue: #2d639e;
  --blue-dark: #204c7c;
  --blue-soft: #eaf3fc;
  --blue-pale: #f5f9fd;
  --violet: #7867ae;
  --violet-soft: #f0edfb;
  --mint-soft: #e3f1ec;
  --mint-hill: #93c7b7;
  --peach-soft: #fbe9df;
  --peach-hill: #dea98d;
  --canvas: #f8fafc;
  --paper: #ffffff;
  --line: #dce5ee;
  --green: #3e956b;
  --orange: #d9823a;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

* { box-sizing: border-box; }
body { min-width: 320px; margin: 0; background: var(--canvas); color: var(--ink); font-size: var(--font-base); line-height: 1.5; }
button, input, textarea { font: inherit; }
button { border: 0; cursor: pointer; }
button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid #8eb8df; outline-offset: 2px; }
h1, h2, h3, p { margin-top: 0; overflow-wrap: break-word; }
h1, h2, h3, strong, button, label { font-weight: 700; }

.app-shell { display: grid; grid-template-columns: 224px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; display: flex; flex-direction: column; gap: 22px; height: 100vh; padding: 22px 14px; border-right: 1px solid var(--line); background: var(--paper); }
.brand { display: flex; align-items: center; gap: 9px; color: var(--blue-dark); font-size: var(--font-section); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; background: var(--blue); color: #fff; font-size: var(--font-base); }
.sidebar nav { display: grid; gap: 5px; }
.nav-item, .profile-card { display: flex; align-items: center; gap: 9px; width: 100%; min-height: 42px; padding: 9px 10px; border-radius: 10px; background: transparent; color: var(--ink); font-size: var(--font-base); text-align: left; }
.nav-item:hover, .nav-item.active { background: var(--blue-soft); color: var(--blue-dark); }
.count { margin-left: auto; color: var(--muted); font-size: var(--font-small); }
.profile-card { margin-top: auto; }
.profile-card:hover { background: var(--blue-pale); }
.profile-badge { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-size: var(--font-small); }
.profile-card strong, .profile-card small { display: block; font-size: var(--font-small); }
.profile-card small { color: var(--muted); font-weight: 400; }

.utility-rail { position: fixed; z-index: 15; top: 128px; left: 244px; display: flex; flex-direction: column; gap: 5px; width: 64px; padding: 6px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.94); box-shadow: 0 8px 24px rgba(30, 53, 81, .12); }
.utility-button { display: grid; place-items: center; width: 50px; height: 50px; padding: 0; border-radius: 17px; background: transparent; color: #8a9db4; }
.utility-button svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.utility-button:hover, .utility-button.active { background: var(--paper); color: var(--blue); box-shadow: 0 3px 0 rgba(30, 53, 81, .09); }
.utility-panel { position: fixed; z-index: 20; top: 24px; right: 24px; bottom: 24px; display: flex; width: min(390px, calc(100vw - 48px)); min-height: 0; flex-direction: column; gap: 14px; padding: 22px; overflow: auto; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: 0 16px 40px rgba(30, 53, 81, .18); }
.utility-panel-wide { width: min(560px, calc(100vw - 48px)); }
.utility-panel h2 { padding-right: 34px; }
.utility-panel p { margin: -7px 0 0; color: var(--muted); font-size: var(--font-small); }
.utility-close { position: absolute; top: 13px; right: 13px; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--blue-pale); color: var(--blue-dark); font-size: var(--font-section); line-height: 1; }
.utility-close:hover { background: var(--blue-soft); }
.utility-panel textarea { display: block; width: 100%; min-height: 170px; padding: 12px; border: 1px solid #b9ccde; border-radius: 12px; background: #fff; color: var(--ink); font-size: var(--font-base); resize: vertical; }
.utility-select { display: flex; align-items: center; justify-content: space-between; min-height: 42px; color: var(--muted); font-size: var(--font-base); }
.utility-select select, #verb-filter { min-height: 42px; padding: 8px 10px; border: 1px solid #b9ccde; border-radius: 10px; background: #fff; color: var(--ink); font-size: var(--font-base); }
#verb-filter { width: 100%; }
.utility-actions { display: flex; gap: 10px; }
#writing-board { display: block; width: 100%; aspect-ratio: 16 / 9; border: 1px solid #b9ccde; border-radius: 12px; background: #fff; cursor: crosshair; touch-action: none; }
.translation-result { min-height: 84px; padding: 13px; border: 1px solid #d4e1ec; border-radius: 12px; background: var(--blue-pale); color: var(--ink); white-space: pre-wrap; }
.utility-verbs { overflow: hidden; }
.utility-verbs .verb-table { min-height: 0; flex: 1; overflow-y: auto; overscroll-behavior: contain; }
.verb-table { display: grid; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; }
.verb-head, .verb-row { display: grid; grid-template-columns: 1fr 1.1fr 1.35fr; gap: 8px; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: var(--font-small); }
.verb-head { background: var(--blue-pale); color: var(--blue-dark); font-weight: 700; }
.verb-row:last-child { border-bottom: 0; }
.verb-row span { overflow-wrap: anywhere; }

.main { width: min(1180px, 100%); padding: 42px clamp(22px, 5vw, 64px) 72px max(92px, 5vw); }
.page-header, .section-heading, .section-title, .course-hero, .lesson-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.page-header { margin-bottom: 28px; }
.page-header h1, .lesson-intro h1 { margin: 0; font-size: var(--font-title); line-height: 1.15; letter-spacing: -.03em; }
h2 { margin: 0; font-size: var(--font-section); line-height: 1.25; letter-spacing: -.02em; }
h3 { margin: 0; font-size: var(--font-base); line-height: 1.3; }
.eyebrow, .course-label { margin: 0 0 5px; color: var(--muted); font-size: var(--font-small); }
.lede { max-width: 620px; margin: 8px 0 0; color: var(--muted); font-size: var(--font-base); }

.primary-button, .complete-button, .secondary-button, .quiet-button, .back-button, .text-button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 42px; border-radius: 10px; font-size: var(--font-base); white-space: nowrap;
}
.primary-button, .complete-button { padding: 9px 15px; background: var(--blue); color: #fff; box-shadow: 0 3px 0 #1c4d80; }
.primary-button:hover, .complete-button:hover { background: var(--blue-dark); }
.secondary-button, .quiet-button, .back-button { padding: 8px 12px; border: 1px solid #c8d8e7; background: var(--paper); color: var(--ink); }
.secondary-button:hover, .quiet-button:hover, .back-button:hover { border-color: #a4c1dc; background: var(--blue-pale); }
.text-button { min-height: 30px; padding: 0; background: transparent; color: var(--blue-dark); text-decoration: underline; text-underline-offset: 3px; }
.complete-button:disabled { cursor: not-allowed; background: #aec7de; box-shadow: none; color: #fff; }

.dashboard-grid { display: grid; grid-template-columns: 1.3fr 1fr .9fr; gap: 14px; }
.continue-card, .goal-card, .summary-card { display: flex; min-height: 192px; flex-direction: column; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); box-shadow: 0 4px 0 rgba(30, 53, 81, .09); }
.continue-card { background: var(--blue); border-color: var(--blue); color: #fff; }
.continue-card .eyebrow, .continue-card p:not(.eyebrow), .continue-meta { color: #dfeefa; }
.continue-card h2 { margin: 0; }
.continue-card p:not(.eyebrow) { margin: 7px 0; }
.continue-meta { display: flex; gap: 12px; margin: 3px 0 16px; font-size: var(--font-small); font-weight: 400; }
.continue-card .primary-button { align-self: flex-start; margin-top: auto; background: #fff; box-shadow: 0 3px 0 rgba(18, 58, 95, .16); color: var(--blue-dark); }
.goal-number { margin: 4px 0 12px; color: var(--blue); font-size: var(--font-title); }
.goal-number small { display: block; color: var(--muted); font-size: var(--font-small); font-weight: 400; letter-spacing: 0; }
.goal-card > p:not(.eyebrow) { margin: 12px 0 0; color: var(--muted); font-size: var(--font-small); }
.goal-card .text-button { align-self: flex-start; margin-top: auto; }
.summary-card dl { display: grid; gap: 10px; margin: 3px 0 0; }
.summary-card dl div { display: flex; justify-content: space-between; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.summary-card dt { color: var(--muted); font-size: var(--font-small); font-weight: 400; }
.summary-card dd { margin: 0; color: var(--blue); font-size: var(--font-section); }
.content-section { margin-top: 40px; }
.section-heading, .section-title { margin-bottom: 16px; }
.section-heading p, .section-title p { margin: 4px 0 0; color: var(--muted); font-size: var(--font-small); }

.dashboard-course-list, .unit-list { display: grid; gap: 12px; }
.dashboard-course { display: grid; grid-template-columns: 94px minmax(0, 1fr) 42px; align-items: center; gap: 16px; width: 100%; min-height: 112px; padding: 10px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); color: var(--ink); text-align: left; box-shadow: 0 4px 0 rgba(30, 53, 81, .09); }
.dashboard-course:hover { border-color: #aac4dd; background: var(--blue-pale); }
.dashboard-course-copy { display: grid; gap: 5px; }
.dashboard-course-copy strong { font-size: var(--font-base); }
.dashboard-course-copy small { color: var(--muted); font-size: var(--font-small); font-weight: 400; }
.course-percent { justify-self: end; color: var(--blue); font-size: var(--font-small); }
.progress-track { width: 182px; max-width: 100%; height: 7px; overflow: hidden; border-radius: 99px; background: #e3eaf1; }
.progress-track > *, .progress-track i { display: block; height: 100%; border-radius: inherit; background: var(--blue); }
.wide { width: 100%; }
.recent-card { display: flex; align-items: center; gap: 12px; margin-top: 18px; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); box-shadow: 0 4px 0 rgba(30, 53, 81, .09); }
.recent-card .eyebrow { margin: 0; }.recent-card span { color: var(--muted); font-size: var(--font-small); }.recent-card .secondary-button { margin-left: auto; }

.path-picker { margin-top: 4px; }
.audience-tabs { display: flex; gap: 6px; }
.audience-tabs button { min-height: 38px; padding: 7px 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--muted); font-size: var(--font-small); }
.audience-tabs button.selected { border-color: var(--blue); background: var(--blue); color: #fff; }
.course-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.course-card { display: grid; gap: 11px; min-height: 218px; padding: 11px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); color: var(--ink); text-align: left; box-shadow: 0 4px 0 rgba(30, 53, 81, .09); }
.course-card:hover, .course-card.selected { border-color: #a6c2dd; background: var(--blue-pale); }
.course-card h3 { margin: 4px 0 2px; }.course-card > div > span { color: var(--muted); font-size: var(--font-small); font-weight: 400; }
.cover { position: relative; display: flex; align-items: flex-end; justify-content: space-between; min-height: 128px; padding: 13px; overflow: hidden; border-radius: 12px; background: #c9e0f5; color: #204e7f; }
.cover strong, .cover small { z-index: 2; }.cover strong { font-size: var(--font-title); }.cover small { padding: 3px 6px; border-radius: 7px; background: rgba(255,255,255,.8); color: var(--blue-dark); font-size: var(--font-small); }
.cover-sun { position: absolute; top: 15px; right: 17px; width: 32px; height: 32px; border-radius: 50%; background: #eaf6ff; }
.cover-hill { position: absolute; bottom: -22px; border-radius: 50% 50% 0 0; background: #77a7cf; }.hill-one { right: -15px; width: 135px; height: 76px; }.hill-two { right: 58px; width: 92px; height: 52px; background: #a5c7e4; }
.cover-adult-a1 { background: var(--violet-soft); color: #55427f; }
.cover-adult-a1 .cover-hill { background: #a89bd0; }.cover-adult-a1 .hill-two { background: #c4bce0; }
.cover-adult-a2 { background: var(--mint-soft); color: #28665c; }
.cover-adult-a2 .cover-hill { background: var(--mint-hill); }.cover-adult-a2 .hill-two { background: #b9ddd2; }
.cover-kids-a1 { background: var(--peach-soft); color: #92583c; }
.cover-kids-a1 .cover-hill { background: var(--peach-hill); }.cover-kids-a1 .hill-two { background: #edc7b2; }
.cover-kids-a2 { background: #e5edf9; color: #4b6392; }
.cover-kids-a2 .cover-hill { background: #9cafcf; }.cover-kids-a2 .hill-two { background: #c6d2e6; }
.course-hero { align-items: center; margin: 36px 0 28px; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); box-shadow: 0 4px 0 rgba(30, 53, 81, .09); }
.course-symbol { display: grid; place-items: center; width: 66px; height: 66px; flex: 0 0 66px; border-radius: 14px; background: var(--blue-soft); color: var(--blue); font-size: var(--font-section); }
.course-copy { flex: 1; }.course-copy h2 { margin: 0 0 9px; }.progress-row { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: var(--font-small); font-weight: 400; }
.search { display: flex; align-items: center; gap: 8px; width: min(270px, 100%); padding: 0 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--muted); font-size: var(--font-base); }
.search input { width: 100%; height: 39px; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: var(--font-base); }

.unit-card { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 16px; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); box-shadow: 0 4px 0 rgba(30, 53, 81, .09); }
.unit-card h3 { margin: 3px 0; font-size: var(--font-section); }.unit-card > div > p { margin: 0 0 14px; color: var(--muted); font-size: var(--font-small); }
.unit-art { position: relative; width: 62px; height: 62px; overflow: hidden; border-radius: 16px; background: #d5e9fa; }
.unit-art:before, .unit-art:after, .unit-art i, .unit-art b { position: absolute; display: block; content: ""; }
.unit-art:before { top: 11px; right: 11px; width: 17px; height: 17px; border-radius: 50%; background: #fff; }
.unit-art:after { bottom: -17px; left: -11px; width: 59px; height: 42px; border-radius: 50% 50% 0 0; background: #76a8d0; }
.unit-art i { right: -13px; bottom: -18px; width: 53px; height: 44px; border-radius: 50% 50% 0 0; background: #a8cbe7; }.unit-art b { left: 11px; bottom: 15px; width: 17px; height: 9px; border-radius: 10px 10px 3px 3px; background: #2d639e; }
.unit-art-1 { background: var(--violet-soft); }.unit-art-1:after { background: #a89bd0; }.unit-art-1 b { width: 10px; height: 20px; border-radius: 8px 8px 3px 3px; background: var(--violet); }
.unit-art-2 { background: #dceefa; }.unit-art-2:after { background: #8db7d9; }.unit-art-2 b { width: 23px; height: 8px; background: #3e78b1; }
.unit-art-3 { background: var(--violet-soft); }.unit-art-3:after { background: #b9aed9; }.unit-art-3 b { width: 12px; height: 12px; border-radius: 50%; background: var(--violet); }
.lesson-list { display: grid; border-top: 1px solid var(--line); }
.lesson-row { display: grid; grid-template-columns: 26px minmax(0, 1fr) auto 16px; align-items: center; gap: 9px; width: 100%; min-height: 52px; border-bottom: 1px solid var(--line); background: transparent; color: var(--ink); font-size: var(--font-base); text-align: left; }
.lesson-row:hover { background: var(--blue-pale); color: var(--blue-dark); }.lesson-row:last-child { border-bottom: 0; }
.lesson-status { display: grid; place-items: center; width: 20px; height: 20px; border: 2px solid #8eb4d5; border-radius: 50%; background: #f5faff; color: var(--blue); font-size: var(--font-small); }
.lesson-status.in-progress { border-color: var(--orange); background: var(--orange); color: #fff; }
.lesson-status.done { border-color: var(--green); background: var(--green); color: #fff; }
.lesson-title { font-size: var(--font-base); }.lesson-meta { color: var(--muted); font-size: var(--font-small); font-weight: 400; }.empty { padding: 24px; border: 1px dashed #b5cce1; border-radius: 14px; background: var(--paper); color: var(--muted); font-size: var(--font-base); }

.lesson-header { margin-bottom: 28px; }.lesson-position, .save-indicator { color: var(--muted); font-size: var(--font-small); }.save-indicator { color: var(--green); }
.lesson-layout { display: grid; grid-template-columns: minmax(0, 740px) 220px; gap: 42px; }
.lesson-intro { padding-bottom: 18px; border-bottom: 1px solid var(--line); }.lesson-intro p:not(.course-label) { margin: 8px 0 0; color: var(--muted); font-size: var(--font-base); }
.vocabulary-panel, .teacher-note, .lesson-aside { border: 1px solid var(--line); border-radius: 16px; background: var(--paper); box-shadow: 0 4px 0 rgba(30, 53, 81, .09); }
.vocabulary-panel { margin-top: 22px; padding: 18px; }.vocabulary-panel h2 { margin-bottom: 13px; }.vocabulary-list { display: grid; gap: 8px; }
.vocabulary-row { display: grid; grid-template-columns: minmax(120px, .55fr) 1fr; align-items: center; gap: 12px; min-height: 54px; padding: 8px 12px; border: 1px solid var(--line); border-left: 3px solid var(--blue); border-radius: 10px; background: #fff; }.vocabulary-row strong { font-size: var(--font-base); }.vocabulary-row p { margin: 0; color: var(--muted); font-size: var(--font-small); font-weight: 400; }
.learning-cycle { margin: 20px 0 0; color: var(--muted); font-size: var(--font-small); }.lesson-section { display: flex; align-items: center; gap: 12px; margin: 30px 0 9px; color: var(--blue-dark); font-size: var(--font-base); }.lesson-section:after { height: 1px; flex: 1; background: var(--line); content: ""; }
.learning-card { min-height: 0; padding: 22px 28px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); box-shadow: 0 4px 0 rgba(30, 53, 81, .09); }.learning-card h2 { margin: 0 0 10px; }.question { margin: 0 0 16px; color: var(--ink); font-size: var(--font-base); }.step-number { display: none; }
.reading-text { margin: 14px 0; padding: 14px; border-left: 3px solid var(--blue); background: var(--blue-pale); color: var(--ink); font-size: var(--font-base); line-height: 1.65; }.task-instruction { margin: 14px 0; padding: 12px 14px; border: 1px solid #d8e5f0; border-left: 4px solid var(--blue); border-radius: 10px; background: #f8fbfe; color: var(--ink); font-size: var(--font-base); }.cue-box { margin: 14px 0; padding: 12px; border-radius: 10px; background: var(--blue-pale); color: var(--muted); font-size: var(--font-small); }.button-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.choices, .match-column { display: grid; gap: 8px; }.choice, .match-word, .match-meaning { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); font-size: var(--font-base); text-align: left; }.choice:hover, .match-word:hover, .match-meaning:hover { border-color: #9dbfdd; background: var(--blue-pale); }.choice span { display: grid; place-items: center; width: 23px; height: 23px; margin-right: 10px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-size: var(--font-small); }.choice.correct, .match-word.matched { border-color: #8ecaaa; background: #f2faf5; }.choice.incorrect { border-color: #e2b2a4; background: #fff8f5; }.feedback { min-height: 20px; margin: 12px 0 0; font-size: var(--font-small); font-weight: 400; }.feedback:empty { display: none; }.feedback.good { color: var(--green); }.feedback.bad { color: var(--orange); }
.match-board { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }.match-column > p { margin: 0 0 2px; color: var(--muted); font-size: var(--font-small); }.match-word { cursor: grab; }.match-word.selected { border-color: var(--blue); background: var(--blue-soft); }.match-meaning.drag-over { border-color: var(--blue); background: var(--blue-soft); }.drop-answer { color: var(--muted); font-size: var(--font-small); font-weight: 400; }.occupied .drop-answer { color: var(--blue-dark); font-weight: 700; }
.answer-line { display: flex; align-items: center; min-height: 49px; gap: 7px; flex-wrap: wrap; margin: 12px 0; padding: 8px; border: 1px dashed #9ebbd5; border-radius: 10px; color: var(--muted); font-size: var(--font-small); }.answer-line span { padding: 5px 8px; border-radius: 7px; background: var(--blue-soft); color: var(--blue-dark); }.tokens { display: flex; flex-wrap: wrap; gap: 7px; }.tokens button { padding: 7px 9px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); font-size: var(--font-base); }.tokens button.used { opacity: .4; }
.inline-action { display: flex; gap: 9px; padding: 5px; border: 1px solid #d4e1ec; border-radius: 14px; background: #f8fbfe; }.fill-input { min-height: 48px; min-width: 0; flex: 1; padding: 8px 12px; border: 1px solid #a9c4dd; border-radius: 10px; background: #fff; font-size: var(--font-base); }.fill-input:focus { border-color: var(--blue); outline: 0; box-shadow: 0 0 0 3px rgba(45, 99, 158, .16); }.task-card textarea, .teacher-note textarea { display: block; width: 100%; min-height: 112px; margin: 12px 0; padding: 10px; border: 1px solid #b9ccde; border-radius: 10px; font-size: var(--font-base); resize: vertical; }
.teacher-note { margin-top: 20px; padding: 18px; }.teacher-note label { font-size: var(--font-base); }.completion-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.lesson-aside { position: sticky; top: 30px; align-self: start; padding: 14px 18px; }.step-nav { display: flex; gap: 8px; width: 100%; padding: 11px 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--muted); font-size: var(--font-base); font-weight: 400; text-align: left; }.step-nav:hover { color: var(--blue-dark); }.step-nav span { color: var(--blue); }.learning-note { margin-top: 16px; color: var(--muted); font-size: var(--font-small); font-weight: 400; }.learning-note strong { color: var(--ink); }.learning-note p { margin: 4px 0 0; }

@media (max-width: 1080px) { .course-grid { grid-template-columns: repeat(3, 1fr); }.dashboard-grid { grid-template-columns: 1fr 1fr; }.summary-card { grid-column: 1 / -1; min-height: auto; }.lesson-layout { grid-template-columns: minmax(0, 1fr) 200px; gap: 28px; } }
@media (max-width: 800px) { .app-shell { display: block; }.sidebar { position: static; display: grid; grid-template-columns: auto 1fr; height: auto; padding: 14px; gap: 12px; }.sidebar nav { display: flex; justify-content: flex-end; }.nav-item { width: auto; padding: 9px; }.nav-item:not(.active) { color: var(--muted); }.nav-item .count, .profile-card { display: none; }.utility-rail { position: fixed; z-index: 15; top: auto; right: 12px; bottom: 12px; left: auto; flex-direction: row; width: auto; height: auto; padding: 7px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: 0 4px 0 rgba(30, 53, 81, .09); }.utility-button { width: 42px; height: 42px; border-radius: 12px; }.utility-button svg { width: 21px; height: 21px; }.utility-panel, .utility-panel-wide { top: 14px; right: 14px; bottom: 76px; left: 14px; width: auto; }.main { padding: 27px 16px 88px; }.page-header, .section-heading, .section-title, .course-hero, .lesson-header { align-items: stretch; flex-direction: column; gap: 13px; }.dashboard-grid, .course-grid { grid-template-columns: 1fr; }.continue-card, .goal-card, .summary-card { min-height: auto; }.course-hero { align-items: flex-start; }.lesson-layout { display: block; }.lesson-aside { display: none; }.match-board { grid-template-columns: 1fr; }.recent-card { align-items: flex-start; flex-wrap: wrap; }.recent-card .secondary-button { margin-left: 0; }.dashboard-course { grid-template-columns: 72px minmax(0, 1fr) 38px; }.dashboard-course .cover { min-height: 72px; height: 72px; }.dashboard-course .cover strong { font-size: var(--font-section); }.course-card { min-height: 0; }.progress-row, .inline-action { align-items: stretch; flex-direction: column; }.progress-track { width: 100%; }.unit-card { grid-template-columns: 58px minmax(0, 1fr); gap: 12px; padding: 14px; }.unit-art { width: 54px; height: 54px; }.lesson-row { grid-template-columns: 26px minmax(0, 1fr) 16px; }.lesson-row .lesson-meta { display: none; }.learning-card { padding: 20px; }.vocabulary-row { grid-template-columns: 1fr; gap: 2px; }.vocabulary-row p { font-size: var(--font-small); } }