:root {
  --ink: #121212;
  --muted: #5f6673;
  --line: #d9dde5;
  --surface: #ffffff;
  --canvas: #f2f4f7;
  --blue: #003d7c;
  --blue-soft: #e8f1fb;
  --yellow: #ffd200;
  --radius: 2px;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, select, input { font: inherit; }
.hidden { display: none !important; }

.app-header { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid #1b1b1b; background: #fff; }
.app-topline { display: flex; min-height: 32px; align-items: center; justify-content: space-between; gap: 18px; background: #1b1b1b; padding: 0 max(18px, calc((100vw - 1440px) / 2 + 28px)); color: #fff; font-size: 12px; font-weight: 650; }
.app-topline span:last-child { color: #d6d9df; font-weight: 500; }
.app-header-inner { display: flex; min-height: 74px; max-width: 1440px; margin: 0 auto; padding: 0 28px; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; }
.brand-mark { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 0; background: var(--blue); box-shadow: 7px 7px 0 var(--yellow); color: #fff; font-weight: 900; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 18px; letter-spacing: -.02em; }
.brand small { margin-top: 1px; color: var(--muted); font-size: 12px; }
.header-actions { display: inline-flex; align-items: center; gap: 14px; }
.header-link { color: var(--blue); font-size: 13px; font-weight: 750; text-decoration: none; }
.header-link:hover { text-decoration: underline; }

.app-shell { max-width: 1440px; margin: 0 auto; padding: 30px 28px 44px; }
.workspace { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 0; align-items: start; border: 1px solid var(--line); background: #fff; }
.sidebar { position: sticky; top: 124px; display: grid; gap: 24px; min-height: calc(100vh - 154px); border-right: 1px solid var(--line); background: #f8f9fb; padding: 22px 18px; }
.sidebar-label { margin: 0 0 12px; color: var(--ink); font-size: 12px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.sidebar-nav { display: grid; gap: 18px; }
.sidebar-group { display: grid; gap: 6px; }
.sidebar-group-label { margin: 0; padding: 0 10px; color: #7d8592; font-size: 10px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.sidebar-group-items { display: grid; gap: 2px; }
.sidebar-link { display: grid; grid-template-columns: 28px 1fr; width: 100%; align-items: center; gap: 8px; border: 0; border-radius: 0; background: transparent; padding: 11px 8px; color: #263140; cursor: pointer; text-align: left; text-decoration: none; font-size: 14px; font-weight: 750; }
.sidebar-link:hover { background: #eef2f6; color: var(--ink); }
.sidebar-link.is-active { background: #fff; color: var(--blue); box-shadow: inset 5px 0 0 var(--yellow); }
.sidebar-link span:first-child { color: #7d8592; text-align: center; }
.sidebar-link.is-active span:first-child { color: var(--blue); }
.sidebar-context { border-top: 1px solid var(--line); padding-top: 20px; }
.sidebar-context label { display: block; margin-bottom: 7px; color: #344054; font-size: 12px; font-weight: 700; }
.sidebar-context select { width: 100%; border: 1px solid #d0d5dd; border-radius: 8px; background: #fff; padding: 9px 10px; color: var(--ink); font-size: 13px; }
.sidebar-context p { margin: 7px 0 0; color: #98a2b3; font-size: 11px; line-height: 1.45; }
.sidebar-account { display: flex; align-items: center; gap: 9px; border-top: 1px solid var(--line); padding-top: 18px; }
.avatar { display: grid; width: 34px; height: 34px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: #e9ecf2; color: #344054; font-size: 13px; font-weight: 800; }
.sidebar-account strong, .sidebar-account small { display: block; }
.sidebar-account strong { max-width: 145px; overflow: hidden; text-overflow: ellipsis; font-size: 12px; white-space: nowrap; }
.sidebar-account small { margin-top: 2px; color: #98a2b3; font-size: 10px; text-transform: capitalize; }

.content-area { min-width: 0; padding: 30px 34px 42px; }
.metric-panel { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: none; }
.metric-strip { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric { padding: 17px 19px; border-right: 1px solid var(--line); }
.metric:last-child { border-right: 0; }
.metric span, .grammar-summary span { display: block; color: var(--muted); font-size: 11px; font-weight: 650; }
.metric strong, .grammar-summary strong { display: block; margin-top: 4px; color: var(--ink); font-size: 25px; letter-spacing: -.025em; }
.metric strong small { color: var(--muted); font-size: 12px; font-weight: 650; }
.metric-accent strong { color: var(--blue); }
.metric-detail { display: flex; flex-wrap: wrap; gap: 8px 18px; border-top: 1px solid var(--line); background: #fafbfc; padding: 9px 19px; color: #7f8999; font-size: 11px; }
.progress-visuals { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; border-top: 1px solid var(--line); padding: 14px 19px 17px; background: #fff; }
.progress-visual { min-width: 0; }
.progress-visual span { display: block; color: var(--muted); font-size: 11px; font-weight: 700; }
.progress-visual strong { display: block; margin: 3px 0 7px; color: var(--ink); font-size: 16px; }
.progress-visual div { height: 8px; overflow: hidden; border-radius: 999px; background: #e9edf3; }
.progress-visual i { display: block; height: 100%; border-radius: inherit; background: var(--blue); }
.progress-visual.is-warning i { background: #f59e0b; }
.page-heading { display: flex; min-height: 104px; margin: -30px -34px 28px; align-items: flex-end; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); background: linear-gradient(90deg, #fff 0%, #f7f9fc 72%, var(--blue-soft) 100%); padding: 28px 34px; }
.page-heading h1 { margin: 3px 0 7px; color: var(--ink); font-size: clamp(30px, 3.3vw, 44px); line-height: 1.05; letter-spacing: -.04em; }
.page-heading p, .section-heading p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.eyebrow { color: var(--blue) !important; font-size: 11px !important; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.section-heading { display: flex; margin-bottom: 12px; align-items: flex-end; justify-content: space-between; gap: 16px; }
.section-heading h2 { margin: 3px 0 0; color: var(--ink); font-size: 18px; letter-spacing: -.015em; }
.quiz-controls { display: flex; align-items: end; gap: 9px; }
.quiz-controls label { color: #344054; font-size: 12px; font-weight: 700; }
.quiz-controls select { display: block; min-height: 40px; margin-top: 6px; border: 1px solid #d0d5dd; background: #fff; padding: 8px 10px; color: var(--ink); }
.quiz-mode-picker { margin: 0; padding: 0; border: 0; }
.quiz-mode-picker legend { margin-bottom: 6px; color: #344054; font-size: 12px; font-weight: 700; }
.quiz-mode-picker > div { display: flex; overflow: hidden; border: 1px solid #d0d5dd; border-radius: 8px; background: #fff; }
.quiz-mode-picker label { position: relative; }
.quiz-mode-picker input { position: absolute; opacity: 0; pointer-events: none; }
.quiz-mode-picker span { display: block; min-height: 38px; padding: 10px 12px; border-right: 1px solid #d0d5dd; cursor: pointer; white-space: nowrap; }
.quiz-mode-picker label:last-child span { border-right: 0; }
.quiz-mode-picker input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: -2px; }
.quiz-mode-picker input:checked + span { background: var(--blue-soft); color: #164f96; box-shadow: inset 0 -2px 0 var(--blue); }
.quiz-answer-label { display: block; margin-top: 20px; color: #344054; font-size: 12px; font-weight: 800; }
.quiz-answer-input { width: 100%; margin-top: 6px; border: 1px solid #b8c0cc; border-radius: 0; background: #fff; padding: 12px; color: var(--ink); font-size: 20px; }
.quiz-answer-input:focus { border-color: var(--blue); outline: 3px solid #b8d5f2; }

.primary-button, .quiet-button { display: inline-flex; min-height: 40px; align-items: center; justify-content: center; border-radius: 0; padding: 9px 15px; cursor: pointer; text-decoration: none; font-size: 13px; font-weight: 800; white-space: nowrap; }
.primary-button { border: 1px solid var(--blue); background: var(--blue); color: #fff; box-shadow: inset 0 -3px 0 rgba(0,0,0,.22); }
.primary-button:hover { background: #002f61; }
.quiet-button { border: 1px solid #d0d5dd; background: #fff; color: #344054; }
.quiet-button:hover { background: #f9fafb; }
.audio-button.is-playing { border-color: #a5b4fc; background: #e0e7ff; color: #3730a3; cursor: wait; }

.today-grid { display: grid; grid-template-columns: minmax(0, 1180px); margin-top: 28px; align-items: start; }
.today-practice { max-width: 900px; margin: 28px auto 0; }
.today-practice-toolbar { display: flex; justify-content: space-between; gap: 18px; margin-bottom: 16px; align-items: end; }
.today-practice-toolbar h2 { margin: 0; font-size: 22px; }
.today-summary-bar { display: flex; justify-content: space-between; gap: 24px; margin: -8px 0 20px; align-items: center; border-bottom: 1px solid var(--line); padding: 0 0 18px; }
.today-summary-bar .eyebrow { margin: 0 0 4px; }
.today-summary-bar h1 { margin: 0; font-size: clamp(22px,3vw,30px); letter-spacing: -.025em; }
.today-goal-progress { width: min(280px,40%); }
.today-goal-progress > span { display: block; margin-bottom: 7px; color: var(--muted); text-align: right; font-size: 12px; }
.today-goal-progress > span strong { color: var(--ink); font-size: 16px; }
.today-goal-progress > div { height: 7px; overflow: hidden; border-radius: 999px; background: #e8eef5; }
.today-goal-progress > div span { display: block; height: 100%; border-radius: inherit; background: var(--blue); }
.today-progress-disclosure { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 12px; }
.today-progress-disclosure > summary { width: max-content; color: var(--blue); cursor: pointer; font-size: 12px; font-weight: 750; }
.today-progress-disclosure #study-stats { margin-top: 12px; }
.finish-session.finish-session-compact { min-height: 0; margin-top: 12px; border-color: var(--line); background: transparent; padding: 10px 0 0; }
.finish-session.finish-session-compact > span { color: var(--muted); font-size: 12px; }
.learning-summary-card { margin-bottom: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 20px; }
.quiz-practice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.quiz-question-column, .quiz-feedback-column { min-width: 0; }
.quiz-question-block, .quiz-feedback-column { display: flex; height: 100%; flex-direction: column; }
.quiz-question-block form, .quiz-feedback-column > [role="status"], .quiz-feedback-placeholder { box-sizing: border-box; flex: 1; }
.quiz-question-heading { display: flex; min-height: 32px; margin-bottom: 8px; align-items: center; justify-content: space-between; gap: 12px; }
.quiz-question-heading h3 { margin: 0; color: var(--ink); font-size: 15px; letter-spacing: -.01em; }
.quiz-question-heading span { border: 1px solid #c7d7ea; background: var(--blue-soft); padding: 5px 9px; color: var(--blue); font-size: 11px; font-weight: 800; }
.quiz-feedback-column > [role="status"] { margin-top: 0; }
.quiz-feedback-placeholder { border: 1px dashed var(--line); background: #fafbfc; padding: 20px; color: var(--muted); }
.quiz-feedback-placeholder strong { display: block; }
.quiz-feedback-placeholder strong { margin-top: 8px; color: var(--ink); font-size: 16px; }
.quiz-feedback-placeholder p { margin: 6px 0 0; font-size: 13px; line-height: 1.5; }
.quiz-workspace { max-width: 760px; }
.recall-card form { min-height: 390px; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; border: 1px solid #d8e1ec; border-radius: 14px; box-shadow: 0 10px 30px rgba(19,45,78,.08); }
.recall-card .quiz-question-heading { margin-bottom: 10px; }
.recall-card form > .mt-2 { justify-content: center; margin: 8px 0 22px; }
.recall-reveal { min-width: 180px; margin-top: 10px; }
.recall-answer { width: min(100%, 520px); margin-top: 8px; border-top: 1px solid var(--line); padding-top: 22px; }
.recall-answer small,.recall-answer strong { display: block; }
.recall-answer small { color: var(--muted); font-size: 11px; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.recall-answer strong { margin-top: 6px; color: var(--blue); font-size: clamp(25px,4vw,38px); }
.recall-rating { width: min(100%, 560px); margin: 24px 0 0; border: 0; padding: 0; }
.recall-rating legend { width: 100%; margin-bottom: 10px; color: var(--muted); font-size: 12px; font-weight: 700; }
.recall-rating > div { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 9px; }
.rating-button { border: 1px solid #cfd8e3; border-radius: 9px; background: #fff; padding: 11px 8px; color: var(--ink); cursor: pointer; }
.rating-button strong,.rating-button span { display: block; }
.rating-button span { margin-top: 2px; color: var(--muted); font-size: 10px; }
.rating-button:hover,.rating-button:focus-visible { border-color: var(--blue); background: var(--blue-soft); outline: 2px solid #b8d5f2; }
.rating-again { border-color: #e7c6c3; }
.rating-good { border-color: #b9d9c3; }
.course-journey-disclosure { margin-top: 22px; border-top: 1px solid var(--line); padding-top: 16px; }
.course-journey-disclosure > summary { color: var(--blue); cursor: pointer; font-size: 13px; font-weight: 750; }
.content-card, .topic-toolbar, .conjugation-section { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: none; }
.content-card { padding: 20px; }
.coach-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .85fr); gap: 18px; align-items: start; }
.coach-card { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 20px 22px; }
.coach-card h2 { margin: 4px 0 16px; font-size: 23px; line-height: 1.16; letter-spacing: -.025em; }
.coach-card.coach-primary { grid-row: span 2; }
.coach-plan-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.coach-plan-heading h2 { margin-bottom: 5px; }
.coach-plan-heading p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.coach-level-estimate { margin-top: 18px; border: 1px solid #b8d5f2; background: var(--blue-soft); padding: 15px; }
.coach-level-heading { display: flex; align-items: start; justify-content: space-between; gap: 14px; }
.coach-level-heading span { color: var(--blue); font-size: 10px; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.coach-level-heading h3 { margin: 4px 0 0; font-size: 17px; }
.coach-confidence { border: 1px solid #9fc3e8; background: #fff; padding: 5px 8px; color: var(--blue); font-size: 10px; text-transform: uppercase; white-space: nowrap; }
.coach-level-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 13px; border: 1px solid #c7d7ea; background: #fff; }
.coach-level-grid > div { min-width: 0; border-right: 1px solid var(--line); padding: 10px 12px; }
.coach-level-grid > div:last-child { border-right: 0; }
.coach-level-grid span, .coach-level-grid small { display: block; color: var(--muted); font-size: 10px; }
.coach-level-grid span { font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.coach-level-grid strong { display: block; margin: 3px 0 1px; font-size: 19px; }
.coach-level-guidance { display: flex; margin-top: 12px; align-items: center; justify-content: space-between; gap: 14px; }
.coach-level-guidance p { margin: 0; color: #344054; font-size: 12px; line-height: 1.45; }
.coach-estimate-method { margin-top: 11px; border-top: 1px solid #c7d7ea; padding-top: 9px; }
.coach-estimate-method summary { cursor: pointer; color: var(--blue); font-size: 11px; font-weight: 800; }
.coach-estimate-method p { margin: 7px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.coach-plan-metrics { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 18px; border: 1px solid var(--line); background: #fafbfc; }
.coach-plan-metrics div { border-right: 1px solid var(--line); padding: 12px 14px; }
.coach-plan-metrics div:last-child { border-right: 0; }
.coach-plan-metrics span { display: block; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.coach-plan-metrics strong { display: block; margin-top: 4px; color: var(--ink); font-size: 22px; }
.coach-plan-metrics small { color: var(--muted); font-size: 11px; }
.coach-action-list { display: grid; gap: 10px; margin: 16px 0 0; padding: 0; list-style: none; }
.coach-action-item { display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; gap: 12px; align-items: center; border: 1px solid #e3e7ec; background: #fff; padding: 13px; }
.coach-action-item.is-primary { border-color: #b8d5f2; background: var(--blue-soft); }
.coach-priority { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 50%; background: #e8f1fb; color: var(--blue); font-size: 12px; font-weight: 900; }
.coach-action-item.is-primary .coach-priority { background: var(--blue); color: #fff; }
.coach-action-item small { color: var(--blue); font-size: 10px; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.coach-action-item h3 { margin: 3px 0; color: var(--ink); font-size: 15px; }
.coach-action-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.coach-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.coach-list li { border-left: 3px solid var(--blue); background: #fafbfc; padding: 10px 12px; color: #344054; font-size: 13px; line-height: 1.45; }
.coach-list strong { display: block; color: var(--ink); }
.habit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.habit-grid button { min-height: 54px; border: 1px solid #d0d5dd; background: #fff; color: #263140; cursor: pointer; padding: 10px; text-align: left; font-size: 13px; font-weight: 800; }
.habit-grid button:hover { border-color: var(--blue); background: var(--blue-soft); color: var(--blue); }
.list-toolbar { display: flex; flex-wrap: wrap; margin-bottom: 14px; align-items: end; justify-content: space-between; gap: 16px; }
.list-toolbar label { display: block; margin-bottom: 6px; color: #344054; font-size: 12px; font-weight: 700; }
.list-toolbar select, .list-toolbar input { min-width: min(260px, 70vw); border: 1px solid #d0d5dd; border-radius: 8px; background: #fff; padding: 9px 11px; color: var(--ink); }
.list-toolbar input { min-width: min(320px, 70vw); }
.list-meta { display: flex; gap: 7px; border: 1px solid var(--line); border-bottom: 0; border-radius: var(--radius) var(--radius) 0 0; background: #fafbfc; padding: 10px 13px; color: var(--muted); font-size: 12px; }
.list-meta strong { color: var(--ink); }
.list-meta span { margin-left: auto; }
.vocabulary-table-wrap { max-height: min(68vh, 760px); overflow: auto; overscroll-behavior: contain; border: 1px solid var(--line); border-radius: 0 0 var(--radius) var(--radius); background: #fff; }
.vocabulary-table { width: 100%; min-width: 820px; border-collapse: collapse; background: #fff; font-size: 13px; }
.vocabulary-table thead { position: sticky; top: 0; z-index: 2; background: #f8f9fb; color: var(--muted); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; box-shadow: 0 1px 0 var(--line); }
.vocabulary-table th, .vocabulary-table td { padding: 10px 12px; border-bottom: 1px solid #f0f1f3; text-align: left; white-space: nowrap; }
.vocabulary-table tbody tr:hover { background: #fafbfc; }
.pagination-bar { display: flex; margin-top: 10px; align-items: center; justify-content: flex-end; gap: 12px; color: var(--muted); font-size: 12px; }
.pagination-bar button:disabled { opacity: .45; cursor: not-allowed; }
.study-scope { display: flex; margin: -10px 0 20px; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid #c7d2fe; border-radius: 9px; background: var(--blue-soft); padding: 9px 12px; color: #344054; font-size: 12px; }
.study-scope button { border: 0; background: transparent; padding: 3px; color: var(--blue); cursor: pointer; font-size: 12px; font-weight: 700; }
.topic-toolbar { display: flex; margin-bottom: 26px; padding: 16px 18px; align-items: end; justify-content: space-between; gap: 20px; }
.topic-toolbar > div { flex: 1; }
.topic-toolbar label { display: block; margin-bottom: 6px; color: #344054; font-size: 12px; font-weight: 700; }
.topic-toolbar select { width: min(100%, 560px); border: 1px solid #d0d5dd; border-radius: 8px; background: #fff; padding: 10px 12px; color: var(--ink); }
.story-toolbar { display: flex; margin-bottom: 18px; align-items: end; justify-content: space-between; gap: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 15px 17px; }
.story-toolbar label { display: block; margin-bottom: 6px; color: #344054; font-size: 12px; font-weight: 700; }
.story-toolbar select { min-width: 220px; border: 1px solid #d0d5dd; border-radius: 8px; background: #fff; padding: 9px 11px; color: var(--ink); }
.learning-story { overflow: visible; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: none; }
.story-collection { display: grid; gap: 24px; }
.story-library-status { margin-bottom: 12px; color: #166534; font-size: 13px; font-weight: 750; }
.story-library { display: grid; grid-template-columns: minmax(210px, .7fr) minmax(0, 1.8fr); gap: 18px; margin-bottom: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 18px; }
.story-library > div > span { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.story-library h2 { margin: 4px 0; font-size: 18px; }
.story-library p { margin: 0; color: var(--muted); font-size: 13px; }
.story-history-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.story-history-item { min-width: 0; border: 1px solid var(--line); border-radius: 8px; background: #fafbfc; padding: 10px 12px; text-align: left; }
.story-history-item:hover, .story-history-item.is-active { border-color: var(--blue); background: var(--blue-soft); }
.story-history-item strong, .story-history-item span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.story-history-item strong { color: var(--ink); font-size: 13px; }
.story-history-item span { margin-top: 3px; color: var(--muted); font-size: 11px; }
.learning-story > header { border-bottom: 1px solid var(--line); background: #fafbfc; padding: 18px 22px; }
.learning-story > header span, .story-focus > span { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.learning-story > header h2 { margin: 4px 0 0; font-size: 23px; letter-spacing: -.025em; }
.story-copy { padding: 22px; font-family: Georgia, "Times New Roman", serif; font-size: 18px; line-height: 1.75; }
.story-copy p { margin: 0 0 16px; }
.story-copy p:last-child { margin-bottom: 0; }
.story-translation { margin: 0 22px 22px; border: 1px solid var(--line); border-radius: 8px; background: #fafbfc; }
.story-translation summary { cursor: pointer; padding: 13px 15px; color: var(--blue); font-weight: 750; }
.story-translation > div { border-top: 1px solid var(--line); padding: 16px; }
.story-translation h3 { margin-bottom: 10px; }
.story-translation p { margin: 0 0 10px; color: #344054; line-height: 1.6; }
.story-translation p:last-child { margin-bottom: 0; }
.story-word { position: relative; border-radius: 3px; color: inherit; text-decoration: none; }
.story-word mark { background: #fff2a8; box-shadow: 0 0 0 2px #fff2a8; color: inherit; }
.story-word:hover mark, .story-word:focus-visible mark { outline: 2px solid var(--blue); outline-offset: 2px; background: #ffe56b; }
.story-word-tooltip { position: absolute; z-index: 20; left: 50%; bottom: calc(100% + 10px); display: none; width: min(290px, calc(100vw - 64px)); transform: translateX(-50%); border: 1px solid #344054; border-radius: 8px; background: #182230; padding: 11px 13px; box-shadow: 0 10px 24px rgba(16, 24, 40, .2); color: #fff; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 12px; line-height: 1.4; text-align: left; }
.story-word:hover .story-word-tooltip, .story-word:focus .story-word-tooltip { display: grid; gap: 7px; }
.story-word-tooltip::after { position: absolute; top: 100%; left: 50%; width: 10px; height: 10px; transform: translate(-50%, -50%) rotate(45deg); background: #182230; content: ""; }
.story-word-tooltip > strong { color: #fff; font-size: 15px; }
.story-word-tooltip > small { color: #d0d5dd; font-size: 10px; }
.story-word-metadata { display: grid; gap: 4px; }
.story-word-metadata > span { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 8px; font-size: 12px; }
.story-word-metadata b { color: #c7d7fe; font-size: 10px; letter-spacing: .02em; text-transform: uppercase; }
.story-focus { margin: 0 22px 22px; border-left: 3px solid var(--blue); background: var(--blue-soft); padding: 13px 15px; }
.story-focus strong { display: block; margin-top: 3px; font-size: 14px; }
.story-focus p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.learning-story > section:last-child { border-top: 1px solid var(--line); padding: 18px 22px 22px; }
.learning-story h3 { margin: 0 0 12px; font-size: 15px; }
.story-vocabulary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 18px; margin: 0; padding: 0; list-style: none; }
.story-vocabulary li { display: grid; grid-template-columns: minmax(90px, .8fr) minmax(100px, 1fr); gap: 2px 12px; border-bottom: 1px solid #eef0f3; padding: 8px 0; }
.story-vocabulary li strong, .story-vocabulary li span { font-size: 13px; }
.story-vocabulary li small { grid-column: 1 / -1; color: var(--muted); font-size: 10px; }
.story-vocabulary .story-word-metadata { grid-column: 1 / -1; gap: 2px; color: var(--muted); }
.story-vocabulary .story-word-metadata > span { grid-template-columns: 90px minmax(0, 1fr); }
.story-vocabulary .story-word-metadata b { color: #667085; }
.story-vocabulary li:target { margin: 0 -8px; border-radius: 6px; background: var(--blue-soft); padding-right: 8px; padding-left: 8px; }
.story-questions { display: grid; gap: 8px; }
.story-questions details { border: 1px solid #eef0f3; background: #fafbfc; padding: 10px 12px; }
.story-questions summary { cursor: pointer; font-size: 13px; font-weight: 750; }
.story-questions p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.grammar-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 22px; align-items: start; }
.conjugation-section { margin-top: 28px; padding: 20px; }
.compact-stats { margin: 20px 0; }
.grammar-summary { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.grammar-summary > div { min-width: 0; padding: 14px 16px; border-right: 1px solid var(--line); }
.grammar-summary > div:last-child { border-right: 0; }
.grammar-summary strong { font-size: 20px; }
.grammar-summary small { display: block; margin-top: 2px; color: #98a2b3; font-size: 10px; }
.reference-disclosure { margin: 16px 0 20px; border: 1px solid var(--line); border-radius: 9px; background: #fafbfc; }
.reference-disclosure summary { cursor: pointer; padding: 12px 14px; color: #344054; font-size: 13px; font-weight: 700; }
.table-scroll { overflow-x: auto; border-top: 1px solid var(--line); }
.table-scroll table { width: 100%; border-collapse: collapse; background: #fff; font-size: 13px; }
.table-scroll th, .table-scroll td { padding: 10px 12px; border-bottom: 1px solid #f0f1f3; text-align: left; white-space: nowrap; }
.table-scroll th { background: #f8f9fb; color: #667085; font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.table-scroll td:first-child { font-weight: 700; }
.progress-section { margin-top: 32px; }
.progress-overview { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.progress-overview > div { padding: 15px 17px; border-right: 1px solid var(--line); }
.progress-overview > div:last-child { border-right: 0; }
.progress-overview span { display: block; color: var(--muted); font-size: 11px; font-weight: 650; }
.progress-overview strong { display: block; margin-top: 3px; font-size: 23px; }
.progress-overview .is-due strong { color: var(--blue); }
.next-recommendation { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(160px, 2fr) auto; grid-template-areas: "label title action" "label detail action"; margin-top: 14px; align-items: center; gap: 2px 16px; border: 1px solid #c7d2fe; border-radius: var(--radius); background: var(--blue-soft); padding: 13px 15px; }
.next-recommendation > span { grid-area: label; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.next-recommendation > strong { grid-area: title; font-size: 14px; }
.next-recommendation > small { grid-area: detail; color: var(--muted); }
.next-recommendation > button { grid-area: action; }
.vocabulary-progress-list { overflow: hidden; margin-top: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.vocabulary-progress-header, .vocabulary-progress-row { display: grid; grid-template-columns: minmax(190px, 1.5fr) minmax(150px, 1.2fr) 80px 64px 80px 88px; gap: 14px; align-items: center; }
.vocabulary-progress-header { background: #f8f9fb; padding: 9px 15px; color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.vocabulary-progress-row { padding: 12px 15px; border-top: 1px solid #eef0f3; }
.vocabulary-progress-name strong, .vocabulary-progress-name span, .vocabulary-progress-number strong, .vocabulary-progress-number span { display: block; }
.vocabulary-progress-name strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.vocabulary-progress-name span, .vocabulary-progress-number span, .vocabulary-progress-meter small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.vocabulary-progress-meter > div { height: 6px; overflow: hidden; border-radius: 999px; background: #edf0f4; }
.vocabulary-progress-meter > div span { display: block; height: 100%; border-radius: inherit; background: var(--blue); }
.vocabulary-progress-number strong { font-size: 13px; }
.vocabulary-progress-number.due strong { color: var(--blue); }
.progress-action { min-height: 32px; padding: 5px 9px; font-size: 11px; }
.topic-progress-list { overflow: hidden; margin-top: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.topic-progress-row { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(120px, 1.2fr) minmax(260px, 1.4fr); gap: 22px; padding: 14px 17px; align-items: center; border-bottom: 1px solid #eef0f3; }
.topic-progress-row:last-child { border-bottom: 0; }
.topic-progress-name span, .topic-progress-name small { display: block; }
.topic-progress-name span { font-size: 13px; font-weight: 700; }
.topic-progress-name small { margin-top: 2px; color: var(--blue); font-size: 10px; font-weight: 750; }
.topic-progress-bar { height: 6px; overflow: hidden; border-radius: 999px; background: #edf0f4; }
.topic-progress-bar span { display: block; height: 100%; border-radius: inherit; background: var(--blue); }
.topic-progress-numbers { display: flex; justify-content: flex-end; gap: 14px; color: var(--muted); font-size: 10px; }
.topic-progress-numbers strong { color: var(--ink); font-size: 12px; }
.topic-progress-numbers .due strong { color: var(--blue); }
.settings-card { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 20px; }
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 14px; }
.settings-grid label { display: grid; gap: 7px; color: #344054; font-size: 12px; font-weight: 800; }
.settings-grid input, .settings-grid select { width: 100%; border: 1px solid #d0d5dd; background: #fff; padding: 10px 11px; color: var(--ink); font-size: 14px; font-weight: 500; }
.settings-card p { margin: 0 0 16px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.settings-saved { margin-top: 12px; border: 1px solid #bbf7d0; background: #f0fdf4; padding: 10px 12px; color: #166534; font-size: 13px; font-weight: 800; }
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.admin-api-panel { margin-top: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 20px; }
.api-shortcuts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.api-shortcuts a { display: flex; min-height: 44px; align-items: center; justify-content: center; border: 1px solid #d0d5dd; background: #fafbfc; color: var(--blue); padding: 9px 12px; text-align: center; text-decoration: none; font-size: 13px; font-weight: 800; }
.api-shortcuts a:hover { border-color: var(--blue); background: var(--blue-soft); }
.admin-users-panel { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 20px; }
.admin-user-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.admin-user-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-user-table th, .admin-user-table td { border-bottom: 1px solid #edf0f4; padding: 10px 12px; text-align: left; white-space: nowrap; }
.admin-user-table th { background: #f8f9fb; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.admin-user-table tr:last-child td { border-bottom: 0; }
.admin-role-form { display: flex; align-items: center; gap: 8px; }
.admin-role-form select { min-width: 120px; border: 1px solid #d0d5dd; background: #fff; padding: 8px 10px; }
.admin-role-form .quiet-button { min-height: 34px; padding: 6px 10px; font-size: 12px; }
.admin-lock { display: inline-flex; border: 1px solid #bbf7d0; background: #f0fdf4; padding: 6px 9px; color: #166534; font-size: 12px; font-weight: 800; }
.admin-inline-status { margin-bottom: 12px; border: 1px solid #bfdbfe; background: #eff6ff; padding: 10px 12px; color: #1e40af; font-size: 13px; font-weight: 700; }
.admin-maintenance { margin-top: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 20px; }
.admin-metrics { display: grid; grid-template-columns: repeat(5, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fafbfc; }
.admin-metrics div { min-width: 0; border-right: 1px solid var(--line); padding: 14px 15px; }
.admin-metrics div:last-child { border-right: 0; }
.admin-metrics span { display: block; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.admin-metrics strong { display: block; margin-top: 4px; overflow: hidden; color: var(--ink); font-size: 20px; text-overflow: ellipsis; white-space: nowrap; }
.admin-schema-inventory { margin-top: 16px; border: 1px solid var(--line); background: #fafbfc; }
.admin-schema-inventory > summary { cursor: pointer; padding: 12px 14px; color: var(--blue); font-size: 13px; font-weight: 800; }
.admin-schema-inventory[open] > summary { border-bottom: 1px solid var(--line); }
.admin-schema-inventory-grid { display: grid; grid-template-columns: minmax(220px, .65fr) minmax(0, 1.35fr); gap: 16px; padding: 16px; }
.admin-schema-inventory-grid h3 { margin: 0 0 10px; font-size: 14px; }
.admin-object-list { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.admin-object-list li { min-width: 0; border: 1px solid #edf0f4; background: #fff; padding: 8px 10px; overflow-wrap: anywhere; }
.admin-schema-inventory code { font-size: 12px; }
.admin-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 16px; }
.admin-actions form { display: grid; align-content: start; gap: 10px; border: 1px solid #edf0f4; background: #fafbfc; padding: 14px; }
.admin-actions button { width: 100%; }
.admin-actions p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.admin-result { margin-top: 16px; border: 1px dashed var(--line); background: #fafbfc; padding: 12px 14px; color: var(--muted); font-size: 13px; }
.admin-result-card { border: 1px solid; padding: 12px 14px; }
.admin-result-card strong, .admin-result-card span { display: block; }
.admin-result-card span { margin-top: 3px; font-size: 12px; overflow-wrap: anywhere; }
.admin-result-card.is-ok { border-color: #bbf7d0; background: #f0fdf4; color: #166534; }
.admin-result-card.is-error { border-color: #fecaca; background: #fef2f2; color: #991b1b; }
.admin-unused-indexes { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 18px; }
.admin-unused-indexes .section-heading { margin-bottom: 12px; }
.admin-unused-indexes form { margin: 0; }
.admin-unused-indexes .danger-button { border-color: #fecaca; color: #991b1b; }
.admin-unused-indexes .danger-button:hover { border-color: #ef4444; background: #fef2f2; }
.admin-empty-state { border: 1px dashed var(--line); background: #fafbfc; padding: 14px; color: var(--muted); font-size: 13px; }
.audio-cache-table-wrap { margin-top: 16px; }
.audio-cache-table { width: 100%; table-layout: fixed; }
.audio-cache-table th, .audio-cache-table td { white-space: normal; overflow-wrap: anywhere; }
.audio-cache-table th:nth-child(1) { width: 27%; }
.audio-cache-table th:nth-child(2) { width: 17%; }
.audio-cache-table th:nth-child(3) { width: 14%; }
.audio-cache-table th:nth-child(4) { width: 8%; }
.audio-cache-table th:nth-child(5) { width: 22%; }
.audio-cache-table th:nth-child(6) { width: 12%; }
.audio-cache-file-meta { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; font-weight: 500; line-height: 1.35; }
.audio-cache-file-meta code { font-size: inherit; }
.audio-cache-play { min-height: 34px; padding: 6px 12px; }
.audio-cache-actions { display: inline-flex; align-items: center; gap: 8px; }
.audio-cache-actions form { margin: 0; }
.audio-cache-clear { border-color: #fecaca; color: #991b1b; }
.audio-cache-clear:hover { border-color: #ef4444; background: #fef2f2; }

.app-alert { margin-bottom: 18px; border: 1px solid; border-radius: 9px; padding: 11px 14px; font-size: 13px; font-weight: 650; }
.app-alert.is-error { border-color: #fecaca; background: #fef2f2; color: #991b1b; }
.app-alert.is-info { border-color: #bfdbfe; background: #eff6ff; color: #1e40af; }
.skeleton { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 20px; color: var(--muted); animation: pulse 1.5s ease-in-out infinite; }
.htmx-request { opacity: .58; pointer-events: none; }

.login-page { min-height: 100vh; background: linear-gradient(135deg, #fff 0%, #fff 52%, var(--blue-soft) 52%, var(--blue-soft) 100%); padding: 36px; }
.login-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 420px); gap: 44px; max-width: 1120px; min-height: calc(100vh - 72px); margin: 0 auto; align-items: center; }
.login-hero h1 { max-width: 680px; margin: 8px 0 14px; font-size: clamp(38px, 6vw, 72px); line-height: .98; letter-spacing: -.055em; }
.login-hero p { max-width: 580px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.55; }
.login-card { display: grid; gap: 13px; border: 1px solid var(--line); border-top: 8px solid var(--yellow); background: #fff; padding: 28px; box-shadow: 0 20px 45px rgba(0,0,0,.12); }
.login-card h2 { margin: 3px 0 6px; font-size: 27px; letter-spacing: -.03em; }
.login-card label { color: #263140; font-size: 13px; font-weight: 800; }
.login-card input { width: 100%; border: 1px solid #b8c0cc; border-radius: 0; background: #fff; padding: 11px 12px; color: var(--ink); }
.login-card input:focus { border-color: var(--blue); outline: 3px solid #b8d5f2; }
.login-card .primary-button { width: 100%; margin-top: 6px; }
.public-page { max-width: 1040px; margin: 0 auto; padding: 34px 24px 56px; }
.public-nav { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 28px; border-bottom: 1px solid var(--line); padding-bottom: 18px; }
.public-nav a { color: var(--blue); font-size: 13px; font-weight: 850; text-decoration: none; }
.public-nav > a { color: var(--ink); font-size: 17px; }
.public-nav span { display: flex; gap: 14px; }
.public-card { border: 1px solid var(--line); border-top: 8px solid var(--yellow); background: #fff; padding: clamp(24px, 5vw, 44px); }
.public-card h1 { margin: 5px 0 14px; font-size: clamp(34px, 6vw, 58px); line-height: 1; letter-spacing: -.055em; }
.public-card > p { max-width: 760px; color: var(--muted); font-size: 17px; line-height: 1.6; }
.public-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.public-grid div { border: 1px solid #edf0f4; background: #fafbfc; padding: 16px; }
.public-grid span, .public-dl dt { display: block; color: var(--blue); font-size: 10px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.public-grid strong { display: block; margin-top: 5px; font-size: 17px; }
.public-grid p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.45; }
.public-dl { display: grid; grid-template-columns: minmax(160px, .35fr) minmax(0, 1fr); gap: 0; margin: 24px 0 0; border: 1px solid var(--line); }
.public-dl dt, .public-dl dd { margin: 0; border-bottom: 1px solid #edf0f4; padding: 12px 14px; }
.public-dl dt:last-of-type, .public-dl dd:last-of-type { border-bottom: 0; }
.release-build-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 22px; border: 1px solid var(--line); background: var(--line); }
.release-notes-card .release-build-meta { margin-top: 0; }
.release-build-meta div { min-width: 0; background: #fafbfc; padding: 14px; }
.release-build-meta span, .release-build-meta small { display: block; color: var(--muted); font-size: 11px; }
.release-build-meta strong { display: block; margin-top: 4px; overflow-wrap: anywhere; }
.release-build-meta a { color: var(--blue); }
.release-notes-list { display: grid; gap: 16px; margin-top: 20px; }
.release-entry { border: 1px solid var(--line); border-left: 5px solid var(--blue); background: #fff; padding: 18px 20px; }
.release-entry h2 { margin: 0 0 14px; font-size: 23px; }
.release-entry h3 { margin: 16px 0 7px; color: var(--blue); font-size: 13px; letter-spacing: .04em; text-transform: uppercase; }
.release-entry ul { margin: 0; padding-left: 20px; }
.release-entry li { margin: 6px 0; color: #344054; line-height: 1.5; }
.public-dl dd { color: #263140; font-size: 14px; overflow-wrap: anywhere; }
.health-banner { display: inline-flex; align-items: center; gap: 10px; margin: 12px 0 8px; border: 1px solid; padding: 10px 13px; }
.health-banner span { width: 11px; height: 11px; border-radius: 50%; }
.health-banner.is-ok { border-color: #bbf7d0; background: #f0fdf4; color: #166534; }
.health-banner.is-ok span { background: #22c55e; }
.health-banner.is-bad { border-color: #fecaca; background: #fef2f2; color: #991b1b; }
.health-banner.is-bad span { background: #ef4444; }
.public-note { margin-top: 18px !important; font-size: 13px !important; }
.public-note a { color: var(--blue); font-weight: 800; }
.dashboard-info-card .public-grid, .dashboard-info-card .public-dl { margin-top: 0; }
.dashboard-info-card .health-banner { margin-top: 0; }

@keyframes pulse { 50% { opacity: .52; } }
@media (max-width: 980px) {
  .app-shell { padding: 20px; }
  .workspace { grid-template-columns: 1fr; }
  .sidebar { position: static; display: block; min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); padding: 14px; }
  .sidebar-label, .sidebar-context, .sidebar-account { display: none; }
  .sidebar-nav { display: flex; gap: 2px; overflow-x: auto; padding-bottom: 4px; }
  .sidebar-group, .sidebar-group-items { display: contents; }
  .sidebar-group-label { display: none; }
  .sidebar-link { display: flex; width: auto; min-width: max-content; border-bottom: 0; padding: 10px 12px; }
  .content-area { padding: 24px; }
  .page-heading { margin: -24px -24px 24px; padding: 24px; }
  .today-grid, .grammar-grid { grid-template-columns: 1fr; }
  .coach-grid { grid-template-columns: 1fr; }
  .settings-grid, .admin-metrics, .admin-actions, .admin-schema-inventory-grid, .api-shortcuts, .release-build-meta { grid-template-columns: 1fr; }
  .admin-metrics div { border-right: 0; border-bottom: 1px solid var(--line); }
  .admin-metrics div:last-child { border-bottom: 0; }
  .coach-card.coach-primary { grid-row: auto; }
  .coach-plan-heading { align-items: stretch; flex-direction: column; }
  .coach-level-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .coach-level-grid > div:nth-child(2) { border-right: 0; }
  .coach-level-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .coach-level-guidance { align-items: stretch; flex-direction: column; }
  .coach-level-guidance .quiet-button { width: 100%; }
  .coach-plan-heading .quiet-button { width: 100%; }
  .coach-action-item { grid-template-columns: 32px minmax(0, 1fr); align-items: start; }
  .coach-action-item > button { grid-column: 2; width: 100%; }
  .topic-progress-row { grid-template-columns: 1fr; gap: 9px; }
  .vocabulary-progress-list { overflow-x: auto; }
  .vocabulary-progress-header, .vocabulary-progress-row { min-width: 820px; }
  .topic-progress-numbers { justify-content: flex-start; }
}
@media (max-width: 760px) {
  .quiz-practice-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .today-summary-bar,.today-practice-toolbar { align-items: stretch; flex-direction: column; }
  .today-goal-progress { width: 100%; }
  .today-goal-progress > span { text-align: left; }
  .recall-card form { min-height: 340px; padding: 18px; }
  .recall-rating > div { grid-template-columns: 1fr; }
  .app-topline { display: none; }
  .app-header-inner { min-height: 64px; padding: 0 16px; }
  .header-link { display: none; }
  .app-shell { padding: 16px; }
  .content-area { padding: 18px; }
  .page-heading { margin: -18px -18px 20px; padding: 20px 18px; }
  .page-heading, .topic-toolbar, .section-heading { align-items: stretch; flex-direction: column; }
  .quiz-controls { align-items: stretch; flex-direction: column; }
  .coach-plan-metrics { grid-template-columns: 1fr; }
  .coach-level-heading { align-items: stretch; flex-direction: column; }
  .coach-confidence { align-self: flex-start; }
  .coach-plan-metrics div { border-right: 0; border-bottom: 1px solid var(--line); }
  .coach-plan-metrics div:last-child { border-bottom: 0; }
  .quiz-controls .quiet-button { width: 100%; }
  .story-toolbar { align-items: stretch; flex-direction: column; }
  .story-toolbar select, .story-toolbar .primary-button { width: 100%; }
  .story-library { grid-template-columns: 1fr; }
  .story-history-list { grid-template-columns: 1fr; }
  .story-vocabulary { grid-template-columns: 1fr; }
  .list-toolbar { align-items: stretch; flex-direction: column; }
  .list-toolbar select, .list-toolbar input { width: 100%; min-width: 0; }
  .page-heading { min-height: 0; }
  .page-heading > .primary-button, .topic-toolbar > .primary-button { width: 100%; }
  .today-grid, .admin-grid { grid-template-columns: 1fr; }
  .metric-strip, .grammar-summary { grid-template-columns: repeat(2, 1fr); }
  .habit-grid { grid-template-columns: 1fr; }
  .progress-visuals { grid-template-columns: repeat(2, 1fr); }
  .progress-overview { grid-template-columns: repeat(2, 1fr); }
  .progress-overview > div:nth-child(2) { border-right: 0; }
  .progress-overview > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .next-recommendation { grid-template-columns: 1fr auto; grid-template-areas: "label action" "title action" "detail action"; }
  .list-meta span { display: none; }
  .metric:nth-child(2), .grammar-summary > div:nth-child(2) { border-right: 0; }
  .metric:nth-child(-n+2), .grammar-summary > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .brand small { display: none; }
  .login-page { padding: 18px; }
  .login-hero { grid-template-columns: 1fr; gap: 26px; min-height: calc(100vh - 36px); }
  .login-hero p { font-size: 16px; }
  .public-nav, .public-nav span { align-items: flex-start; flex-direction: column; }
  .public-grid { grid-template-columns: 1fr; }
  .public-dl { grid-template-columns: 1fr; }
  .public-dl dt { border-bottom: 0; padding-bottom: 3px; }
  .public-dl dd { padding-top: 3px; }
}

/* Learner experience ------------------------------------------------------ */
body.modal-open { overflow: hidden; }
.header-welcome { color: #344054; font-size: 13px; font-weight: 750; }
.today-hero { position: relative; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 36px; overflow: hidden; margin: -30px -34px 24px; padding: 42px 40px; align-items: center; background: linear-gradient(128deg,#102f62 0%,#164f96 58%,#2673c5 100%); color: #fff; }
.today-hero::after { position: absolute; right: -70px; bottom: -110px; width: 330px; height: 330px; border: 48px solid rgba(255,215,0,.14); border-radius: 50%; content: ""; }
.today-hero .eyebrow { color: #ffdf55; }
.today-hero h1 { max-width: 720px; margin: 8px 0 10px; color: #fff; font-size: clamp(32px,4.2vw,54px); line-height: 1.03; letter-spacing: -.045em; }
.today-hero p { max-width: 660px; margin: 0 0 24px; color: #d9e8fb; font-size: 16px; line-height: 1.6; }
.primary-button-large { min-height: 48px; padding: 12px 18px; font-size: 15px; }
.primary-button-large span { margin-left: 10px; }
.daily-goal-ring { --goal:0%; position: relative; z-index: 1; display: grid; width: 154px; height: 154px; place-content: center; border-radius: 50%; background: conic-gradient(#ffdc3e var(--goal),rgba(255,255,255,.18) 0); text-align: center; }
.daily-goal-ring::before { position: absolute; inset: 10px; border-radius: inherit; background: #174b88; content: ""; }
.daily-goal-ring strong,.daily-goal-ring span { position: relative; display: block; }
.daily-goal-ring strong { color: #fff; font-size: 26px; }
.daily-goal-ring strong small { font-size: 12px; font-weight: 650; }
.daily-goal-ring span { margin-top: 3px; color: #d9e8fb; font-size: 11px; font-weight: 700; }
.motivation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.motivation-grid > section,.achievement-shelf { border: 1px solid var(--line); border-radius: 13px; background: #fff; padding: 17px 19px; box-shadow: 0 3px 10px rgba(16,24,40,.035); }
.motivation-heading { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.motivation-heading > span { color: #667085; font-size: 11px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.motivation-heading > strong { color: var(--blue); font-size: 13px; }
.motivation-heading button { border: 0; background: transparent; color: var(--blue); font-size: 12px; font-weight: 750; }
.week-strip { display: grid; grid-template-columns: repeat(7,1fr); gap: 7px; margin-top: 14px; }
.week-strip span { display: grid; justify-items: center; gap: 5px; }
.week-strip i { display: grid; width: 28px; height: 28px; place-content: center; border: 1px solid #e4e7ec; border-radius: 50%; background: #f8fafc; color: #98a2b3; font-style: normal; font-size: 12px; }
.week-strip span.is-active i { border-color: #a7d7bd; background: #e9f8ef; color: #18794e; font-weight: 900; }
.week-strip small { color: #98a2b3; font-size: 9px; font-weight: 750; }
.skill-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.skill-pills span { border: 1px solid #e5eaf1; border-radius: 999px; background: #f8fafc; padding: 7px 10px; color: #667085; font-size: 11px; }
.skill-pills b { color: var(--ink); }
.achievement-shelf { margin-bottom: 22px; }
.achievement-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 13px; }
.achievement-chip { display: flex; gap: 9px; align-items: center; border: 1px solid #f1d77c; border-radius: 9px; background: #fff9df; padding: 9px 11px; }
.achievement-chip > span { display: grid; width: 28px; height: 28px; place-content: center; border-radius: 50%; background: #ffd942; color: #624d00; }
.achievement-chip strong,.achievement-chip small { display: block; }
.achievement-chip strong { font-size: 12px; }
.achievement-chip small,.achievement-empty { margin-top: 2px; color: #667085; font-size: 10px; }
.milestone-history { margin-bottom: 28px; }
.milestone-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.milestone-item,.milestone-empty { display: grid; grid-template-columns: 38px minmax(0,1fr) auto; gap: 11px; align-items: center; border: 1px solid #ecd980; border-radius: 11px; background: #fffbed; padding: 13px 14px; }
.milestone-item > span,.milestone-empty > span { display: grid; width: 34px; height: 34px; place-content: center; border-radius: 50%; background: #ffdf53; color: #5e4c00; }
.milestone-item strong,.milestone-item p,.milestone-empty strong,.milestone-empty p { display: block; margin: 0; }
.milestone-item p,.milestone-empty p { margin-top: 3px; color: #667085; font-size: 10px; }
.milestone-item time { color: #8a7a37; font-size: 10px; }
.milestone-empty { grid-column: 1/-1; grid-template-columns: 38px minmax(0,1fr); }
.today-plan-card { margin-bottom: 28px; border: 1px solid var(--line); border-radius: 13px; background: #fff; padding: 20px; }
.today-plan-card .coach-level-estimate { margin-bottom: 18px; }
.finish-session { display: flex; justify-content: space-between; gap: 18px; margin-top: 20px; align-items: center; border: 1px solid #bbdfca; border-radius: 11px; background: #f2fbf6; padding: 16px 18px; }
.finish-session strong,.finish-session span { display: block; }
.finish-session strong { color: #155d3d; font-size: 14px; }
.finish-session span { margin-top: 3px; color: #557566; font-size: 12px; }
.session-celebration { margin-top: 16px; border: 1px solid #f0d76a; border-radius: 14px; background: linear-gradient(135deg,#fff9d8,#fff); padding: 28px; text-align: center; animation: celebration-in .35s ease-out both; }
.celebration-mark { display: inline-grid; min-width: 86px; min-height: 86px; place-content: center; border-radius: 50%; background: #ffd92f; color: #18345d; font-size: 16px; font-weight: 900; transform: rotate(-4deg); }
.session-celebration h2 { margin: 15px 0 6px; font-size: 25px; }
.session-celebration p { margin: 0 0 17px; color: #667085; }
.session-celebration > div { display: flex; justify-content: center; gap: 9px; }
.session-gentle-nudge { margin-top: 14px; border: 1px solid #f0d58a; border-radius: 10px; background: #fffbeb; padding: 14px 16px; color: #6f5200; }
.session-gentle-nudge p { margin: 4px 0 0; font-size: 12px; }
@keyframes celebration-in { from { opacity:0; transform:translateY(8px) scale(.98); } }

.journey-card { margin-bottom: 25px; }
.journey-path { position: relative; display: grid; gap: 10px; }
.journey-path::before { position: absolute; top: 32px; bottom: 32px; left: 25px; width: 2px; background: #dce6f2; content: ""; }
.journey-unit { position: relative; display: grid; grid-template-columns: 52px minmax(0,1fr) auto; gap: 15px; align-items: center; border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 14px 15px 14px 9px; }
.journey-unit.is-current { border-color: #9fc5ef; background: #f4f9ff; box-shadow: 0 5px 16px rgba(24,86,150,.09); }
.journey-marker { position: relative; z-index: 1; display: grid; width: 34px; height: 34px; margin: auto; place-content: center; border: 2px solid #c8d6e6; border-radius: 50%; background: #fff; color: #667085; font-size: 11px; font-weight: 850; }
.journey-unit.is-current .journey-marker { border-color: var(--blue); background: var(--blue); color: #fff; }
.journey-unit.is-complete .journey-marker { border-color: #4ba579; background: #e8f7ef; color: #18794e; }
.journey-unit small { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.journey-unit h3 { margin: 3px 0; font-size: 15px; }
.journey-unit p { margin: 0; color: #667085; font-size: 11px; }
.journey-progress { height: 5px; max-width: 300px; overflow: hidden; margin-top: 8px; border-radius: 999px; background: #e9edf2; }
.journey-progress span { display: block; height: 100%; border-radius: inherit; background: #4ba579; }
.word-library { border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.word-library > summary { cursor: pointer; padding: 15px 18px; color: #344054; font-size: 13px; font-weight: 800; }
.word-library > div { border-top: 1px solid var(--line); padding: 18px; }

.ukrainian-keyboard { display: none; margin-top: 14px; border: 1px solid #d7e2ef; border-radius: 10px; background: #f7faff; padding: 12px; }
.ukrainian-keyboard.is-ready { display: block; }
.ukrainian-keyboard > span { display: block; margin-bottom: 9px; color: #344054; font-size: 11px; font-weight: 800; }
.ukrainian-keyboard > div { display: flex; flex-wrap: wrap; gap: 5px; }
.ukrainian-keyboard button { min-width: 31px; min-height: 32px; border: 1px solid #c9d6e5; border-radius: 5px; background: #fff; color: #173a64; font-size: 15px; font-weight: 700; }
.ukrainian-keyboard small { display: block; margin-top: 8px; color: #667085; font-size: 10px; }

.onboarding-overlay { position: fixed; z-index: 1000; inset: 0; overflow-y: auto; background: rgba(9,25,45,.72); padding: 30px 18px; backdrop-filter: blur(6px); }
.onboarding-overlay > div { width: min(760px,100%); margin: 0 auto; }
.onboarding-card,.onboarding-success { border-radius: 18px; background: #fff; padding: clamp(24px,5vw,44px); box-shadow: 0 28px 80px rgba(0,0,0,.25); }
.onboarding-progress { display: flex; gap: 12px; margin-bottom: 24px; align-items: center; }
.onboarding-progress > span { width: 72px; height: 6px; border-radius: 999px; background: linear-gradient(90deg,#ffd82f 75%,#e9edf2 75%); }
.onboarding-progress small { color: #667085; font-size: 11px; font-weight: 750; }
.onboarding-card h1 { margin: 7px 0 8px; font-size: clamp(29px,5vw,43px); letter-spacing: -.045em; }
.onboarding-card > p:not(.eyebrow) { margin: 0; color: #667085; font-size: 15px; }
.onboarding-fields { display: grid; gap: 22px; margin: 28px 0; }
.onboarding-fields > label,.onboarding-fields legend { color: #344054; font-size: 13px; font-weight: 800; }
.onboarding-fields > label:not(.check-choice) { display: grid; gap: 7px; }
.onboarding-fields input[type="text"],.onboarding-fields input:not([type]) { width: 100%; border: 1px solid #cbd3dd; border-radius: 7px; padding: 11px 12px; }
.onboarding-fields fieldset { margin: 0; border: 0; padding: 0; }
.onboarding-fields legend { margin-bottom: 9px; }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.choice-row { display: flex; flex-wrap: wrap; gap: 8px; }
.choice-grid label,.choice-row label { position: relative; flex: 1; min-width: 120px; }
.choice-grid input,.choice-row input { position: absolute; opacity: 0; }
.choice-grid label > span,.choice-row label > span { display: block; height: 100%; border: 1px solid #d5dce5; border-radius: 9px; background: #fff; padding: 11px 12px; color: #344054; font-size: 12px; font-weight: 750; }
.choice-grid small { display: block; margin-top: 3px; color: #667085; font-weight: 500; }
.choice-grid input:checked + span,.choice-row input:checked + span { border-color: var(--blue); background: var(--blue-soft); box-shadow: inset 0 0 0 1px var(--blue); color: #164f96; }
.check-choice { display: flex; gap: 9px; align-items: flex-start; font-weight: 600 !important; }
.placement-check { border: 1px solid #d8e3ef; border-radius: 10px; background: #f8fbff; padding: 13px 14px; }
.placement-check > summary { cursor: pointer; color: #234e80; font-size: 13px; font-weight: 800; }
.placement-check > summary small { margin-left: 6px; color: #667085; font-size: 10px; font-weight: 600; }
.placement-check[open] { display: grid; gap: 16px; }
.onboarding-success { text-align: center; }
.onboarding-success > span { display: inline-grid; width: 74px; height: 74px; place-content: center; border-radius: 50%; background: #e6f7ed; color: #18794e; font-size: 32px; }
.onboarding-success h2 { margin: 17px 0 7px; font-size: 28px; }
.onboarding-success p { margin: 0 0 22px; color: #667085; }
.settings-intro,.settings-actions { display: flex; justify-content: space-between; gap: 15px; align-items: center; }
.settings-intro { margin-bottom: 20px; }
.settings-intro h2 { margin: 3px 0 0; }
.profile-goal { border-radius: 999px; background: #eaf3ff; padding: 7px 10px; color: var(--blue); font-size: 11px; font-weight: 800; }

@media (max-width: 760px) {
  .today-hero { grid-template-columns: 1fr; margin: -24px -24px 20px; padding: 30px 24px; }
  .daily-goal-ring { width: 120px; height: 120px; }
  .motivation-grid { grid-template-columns: 1fr; }
  .milestone-list { grid-template-columns: 1fr; }
  .finish-session,.settings-intro,.settings-actions { align-items: stretch; flex-direction: column; }
  .finish-session .primary-button,.settings-actions button { width: 100%; }
  .journey-unit { grid-template-columns: 42px minmax(0,1fr); }
  .journey-unit > button { grid-column: 2; width: 100%; }
  .journey-path::before { left: 20px; }
  .choice-grid { grid-template-columns: 1fr; }
  .header-welcome { display: none; }
}
@media (prefers-reduced-motion: reduce) { .skeleton { animation: none; } * { scroll-behavior: auto !important; } }