/* NSAA Learn — composition and component states. Shared values live in tokens.css. */
.app-shell { display: flex; min-height: 100dvh; }
.sidebar { position: fixed; inset: 0 auto 0 0; z-index: 40; display: flex; width: 232px; flex-direction: column; padding: 30px 16px 20px; background: var(--color-sidebar); border-right: 1px solid #242424; }
.wordmark { display: flex; gap: 15px; align-items: center; padding: 0 13px; min-height: 44px; width: fit-content; text-decoration: none; font-size: 30px; font-weight: 550; line-height: 1; letter-spacing: -1.8px; }
.brand-divider { height: 21px; width: 1px; background: #494949; }
.brand-section { font-size: 13px; font-weight: 450; letter-spacing: -.15px; color: #bdbdbd; }
.primary-nav { display: grid; gap: 5px; margin-top: 52px; }
.nav-link { display: flex; width: 100%; gap: 13px; align-items: center; min-height: 46px; padding: 10px 13px; border: 0; border-radius: 7px; text-decoration: none; font-size: 13px; text-align: left; color: #aaa; background: transparent; transition: color 140ms, background 140ms; }
.nav-link:hover { background: #1d1d1d; color: #f5f5f5; }
.nav-link[aria-current=page] { background: #272727; color: #f5f5f5; }
[data-icon] { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
[data-icon] svg { width: 19px; height: 19px; }
.nav-count { margin-left: auto; font-size: 11px; font-variant-numeric: tabular-nums; color: #bdbdbd; }
.sidebar-bottom { margin-top: auto; }
.sidebar-caption { padding: 20px 13px 28px; font-size: 14px; line-height: 1.7; letter-spacing: -.15px; color: #929292; }
.settings-trigger { font-size: 12px; }
.sidebar-footer { display: flex; gap: 8px; align-items: center; margin-top: 20px; padding: 16px 8px 0; border-top: 1px solid #2b2b2b; font-size: 10px; color: #999; }
.status-dot { width: 5px; height: 5px; border-radius: 50%; background: #aaa; }
.main-shell { display: flex; width: calc(100% - 232px); min-height: 100dvh; margin-left: 232px; flex-direction: column; }
.topbar { display: flex; height: 88px; padding: 0 48px; align-items: center; justify-content: space-between; gap: 20px; }
.topbar-leading, .topbar-actions { display: flex; align-items: center; gap: 18px; min-width: 0; }
.breadcrumbs { display: flex; align-items: center; min-width: 0; gap: 12px; color: #aaa; font-size: 12px; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: #f5f5f5; }
.breadcrumbs .crumb-current { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 280px; color: #ddd; }
.breadcrumbs svg { width: 12px; height: 12px; }
.search-trigger { display: flex; height: 44px; gap: 10px; align-items: center; padding: 0; border: 0; background: transparent; color: #aaa; font-size: 12px; }
.search-trigger:hover { color: #fff; }
.search-trigger svg { width: 16px; height: 16px; }
kbd { border: 1px solid #3c3c3c; border-radius: 4px; padding: 1px 5px; font-family: inherit; font-size: 10px; color: #999; }
.avatar { display: flex; height: 34px; width: 34px; min-height: 44px; min-width: 44px; align-items: center; justify-content: center; border: 1px solid #444; border-radius: 50%; background: #292929; font-size: 12px; font-weight: 500; }
.avatar:hover { background: #363636; }
.menu-toggle, .sidebar-close { display: none; }
.main-content { width: 100%; max-width: 1320px; margin: 0 auto; padding: 38px 48px 64px; outline: none; }
.page-heading { display: flex; gap: 24px; align-items: flex-end; justify-content: space-between; margin-bottom: 35px; }
.eyebrow { display: flex; gap: 9px; align-items: center; margin-bottom: 15px; color: #b5b5b5; font-size: 10px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow-line { width: 20px; height: 1px; background: #999; }
.page-heading h1 { font-size: clamp(30px, 3vw, 44px); line-height: 1.15; font-weight: 450; letter-spacing: -.05em; }
.page-heading p { max-width: 55ch; margin-top: 14px; color: #aaa; font-size: 13px; line-height: 1.75; }
.page-number { padding-bottom: 4px; color: #999; font-size: 11px; letter-spacing: .04em; white-space: nowrap; }
.featured-course { display: grid; grid-template-columns: 1.18fr 1fr; overflow: hidden; min-height: 260px; margin-bottom: 44px; border: 1px solid #3b3b3b; border-radius: 10px; background: #1e1e1e; }
.featured-copy { display: flex; align-items: flex-start; flex-direction: column; padding: 30px; }
.quiet-label { display: inline-flex; align-items: center; gap: 7px; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: #c7c7c7; }
.quiet-label svg { width: 13px; height: 13px; }
.featured-copy h2 { margin-top: 18px; max-width: 20ch; font-size: clamp(24px, 2.2vw, 31px); font-weight: 450; line-height: 1.25; letter-spacing: -.045em; }
.featured-copy p { max-width: 45ch; margin-top: 12px; color: #aaa; font-size: 12px; line-height: 1.8; }
.featured-actions { display: flex; gap: 20px; align-items: center; width: 100%; margin-top: 24px; }
.featured-actions .button { min-height: 42px; border-radius: 6px; padding-inline: 16px; font-size: 11px; }
.subtle-meta { color: #aaa; font-size: 10px; }
.featured-art { display: flex; position: relative; min-width: 0; overflow: hidden; align-items: center; justify-content: center; background: #242424; border-left: 1px solid #3b3b3b; }
.art-letters { position: relative; padding-bottom: 12px; font-size: clamp(110px, 14vw, 195px); font-weight: 400; letter-spacing: -.11em; line-height: 1; color: #dedede; user-select: none; }
.art-orbit { position: absolute; height: 215px; width: 215px; border: 1px solid #555; border-radius: 50%; }
.art-orbit:last-of-type { transform: rotate(-35deg) scaleX(.4); border-color: #717171; }
.art-caption { position: absolute; display: flex; left: 22px; right: 22px; bottom: 18px; justify-content: space-between; color: #aaa; font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.section-title-row { display: flex; align-items: baseline; justify-content: space-between; gap: 15px; margin-bottom: 21px; }
.section-title-row h2 { font-size: 18px; font-weight: 500; letter-spacing: -.025em; }
.section-title-row p { font-size: 11px; color: #aaa; }
.catalog-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 24px; border-bottom: 1px solid #333; }
.filter-list { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.filter-button { position: relative; min-height: 47px; padding: 0 1px 13px; border: 0; color: #aaa; background: none; font-size: 11px; white-space: nowrap; }
.filter-button:hover { color: #f5f5f5; }
.filter-button[aria-pressed=true] { color: #f5f5f5; }
.filter-button[aria-pressed=true]::after { position: absolute; right: 0; left: 0; bottom: -1px; height: 2px; background: #eee; content: ''; }
.catalog-tools { display: flex; gap: 12px; align-items: center; padding-bottom: 12px; }
.search-field { position: relative; display: flex; align-items: center; width: 205px; }
.search-field > [data-icon] { position: absolute; left: 12px; pointer-events: none; color: #aaa; }
.search-field svg { width: 15px; height: 15px; }
.search-field input { min-height: 39px; padding: 9px 30px 9px 35px; background: #202020; font-size: 11px; }
.clear-search { position: absolute; right: 0; min-width: 44px; width: 44px; min-height: 44px; padding: 7px; }
.sort-select { max-width: 132px; min-height: 44px; padding: 7px 20px 7px 8px; border: 0; background: #171717; color: #aaa; font-size: 10px; }
.result-summary { display: flex; justify-content: space-between; gap: 20px; margin: -7px 0 20px; font-size: 10px; color: #aaa; }
.course-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 30px 23px; }
.course-card { position: relative; min-width: 0; border-radius: 8px; }
.card-cover { display: flex; position: relative; overflow: hidden; width: 100%; aspect-ratio: 1.88; align-items: center; justify-content: center; border: 1px solid #393939; border-radius: 8px; background: #262626; color: #d5d5d5; text-decoration: none; transition: background 180ms, border-color 180ms; }
.card-cover:hover { border-color: #777; background: #2f2f2f; }
.cover-numeral { font-size: clamp(58px,6vw,94px); line-height: 1; font-weight: 400; letter-spacing: -.08em; transition: transform 240ms; }
.card-cover:hover .cover-numeral { transform: translateY(-3px); }
.cover-bottom { position: absolute; display: flex; align-items: center; justify-content: space-between; bottom: 14px; left: 16px; right: 16px; font-size: 8px; color: #bbb; letter-spacing: .065em; text-transform: uppercase; }
.cover-arrow { display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; border: 1px solid #626262; border-radius: 50%; }
.cover-arrow svg { width: 11px; height: 11px; }
.cover-2 { background: #222; }.cover-3 { background: #2b2b2b; }.cover-4 { background: #252525; }.cover-5 { background: #303030; }.cover-6 { background: #232323; }
.save-button { position: absolute; z-index: 2; right: 7px; top: 7px; min-height: 44px; width: 44px; min-width: 44px; border-radius: 6px; background: #262626; color: #aaa; }
.save-button[aria-pressed=true] { color: #fff; background: #444; }
.save-button svg { width: 15px; height: 15px; }
.card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-top: 16px; color: #aaa; font-size: 9px; }
.card-meta > span { display: inline-flex; align-items: center; gap: 4px; }.card-meta svg { width: 12px; height: 12px; }
.meta-dot { color: #777; }
.course-card h3 { margin-top: 7px; font-size: 14px; font-weight: 500; line-height: 1.5; letter-spacing: -.02em; }
.course-card h3 a { text-decoration: none; }
.course-card h3 a:hover { text-decoration: underline; }
.card-description { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin-top: 7px; color: #aaa; font-size: 11px; line-height: 1.75; }
.card-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px; margin-top: 14px; padding-top: 12px; border-top: 1px solid #333; color: #aaa; font-size: 9px; }
.card-duration { display: flex; align-items: center; gap: 5px; }
.card-duration svg { width: 12px; height: 12px; }
.progress-track { width: 100%; height: 3px; overflow: hidden; margin-top: 12px; background: #3b3b3b; border-radius: 5px; }
.progress-track > span { display: block; height: 100%; background: #ddd; }
.progress-caption { margin-top: 7px; color: #aaa; font-size: 10px; }
.learning-stat { display: flex; flex-wrap: wrap; gap: 32px; margin-bottom: 32px; padding-bottom: 26px; border-bottom: 1px solid #333; }
.stat { display: flex; gap: 8px; align-items: baseline; }
.stat strong { font-size: 24px; font-weight: 450; letter-spacing: -.04em; }.stat span { color: #aaa; font-size: 11px; }
.empty-state { min-height: 280px; border: 1px dashed #404040; border-radius: 8px; }
.empty-state > svg { width: 32px; height: 32px; margin-bottom: 8px; color: #aaa; }
.empty-state h2 { font-size: 20px; }.empty-state p { font-size: 13px; }.empty-state .button { margin-top: 12px; }
.page-footer { display: flex; justify-content: space-between; gap: 20px; width: calc(100% - 96px); max-width: 1224px; margin: auto auto 0; padding: 23px 0 26px; border-top: 1px solid #333; color: #999; font-size: 10px; }
/* Lesson workspace */
.lesson-heading { margin: 0 0 28px; }
.lesson-heading .eyebrow { margin-bottom: 12px; }.lesson-heading h1 { max-width: 26ch; font-size: clamp(27px,3vw,36px); font-weight: 450; letter-spacing: -.045em; line-height: 1.2; }
.lesson-subtitle { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; margin-top: 13px; font-size: 11px; color: #aaa; }
.lesson-layout { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 30px; align-items: start; }
.video-player { position: relative; overflow: hidden; display: flex; aspect-ratio: 16/9; width: 100%; align-items: center; justify-content: center; border: 1px solid #393939; border-radius: 8px; background: #0c0c0c; }
.video-player iframe { position: absolute; inset: 0; height: 100%; width: 100%; border: 0; }
.video-play { display: flex; position: absolute; inset: 0; width: 100%; align-items: center; justify-content: center; flex-direction: column; gap: 16px; padding: 24px; border: 0; background: transparent; color: #eee; }
.video-play:hover .play-circle { background: #eee; color: #111; transform: scale(1.04); }
.play-circle { display: flex; height: 60px; width: 60px; align-items: center; justify-content: center; border: 1px solid #777; border-radius: 50%; color: #eee; transition: color 180ms, background 180ms, transform 180ms; }
.play-circle svg { width: 21px; height: 21px; margin-left: 3px; }
.video-play-label { max-width: 36ch; text-align: center; font-size: 12px; }.video-play-meta { color: #aaa; font-size: 10px; }
.player-note { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px; padding-top: 10px; color: #aaa; font-size: 9px; }
.player-note a { display: inline-flex; align-items: center; gap: 4px; min-height: 30px; }.player-note svg { width: 11px; height: 11px; }
.lesson-title-row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: start; margin: 26px 0 22px; }
.lesson-title-row h2 { max-width: 31ch; font-size: 21px; font-weight: 450; line-height: 1.4; }.lesson-title-row .quiet-label { display: block; margin-bottom: 7px; }
.lesson-title-row .button { min-height: 40px; font-size: 10px; padding: 9px 12px; }
.lesson-tabs { display: flex; gap: 26px; border-bottom: 1px solid #393939; margin-bottom: 22px; }
.lesson-tabs button { position: relative; min-height: 46px; border: 0; padding: 0 0 13px; background: none; color: #aaa; font-size: 12px; }
.lesson-tabs button[aria-selected=true] { color: #f5f5f5; }.lesson-tabs button[aria-selected=true]::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: #eee; }
.summary-copy { color: #bbb; font-size: 13px; line-height: 1.9; max-width: 72ch; }
.takeaway-title { margin: 24px 0 14px; font-size: 13px; font-weight: 500; }
.takeaways { display: grid; list-style: none; gap: 13px; padding: 0; margin: 0; }.takeaways li { display: flex; gap: 11px; align-items: flex-start; color: #aaa; font-size: 12px; line-height: 1.7; }.takeaways svg { margin-top: 2px; width: 15px; height: 15px; color: #ddd; }
.lesson-pagination { display: flex; justify-content: space-between; gap: 12px; margin-top: 32px; padding-top: 22px; border-top: 1px solid #333; }.lesson-pagination .button { font-size: 11px; }
.curriculum { border: 1px solid #3b3b3b; border-radius: 8px; background: #1b1b1b; }
.curriculum-header { padding: 21px; border-bottom: 1px solid #333; }.curriculum-header h2 { font-size: 13px; font-weight: 500; }.curriculum-header p { margin-top: 5px; color: #aaa; font-size: 10px; }.curriculum-header .progress-track { margin-top: 15px; }
.curriculum-list { padding: 8px; margin: 0; list-style: none; }.lesson-link { display: flex; align-items: flex-start; gap: 10px; min-height: 70px; padding: 13px 10px; border-radius: 5px; text-decoration: none; }.lesson-link:hover { background: #272727; }.lesson-link[aria-current=page] { background: #2d2d2d; }.lesson-index { display: flex; width: 21px; height: 21px; align-items: center; justify-content: center; color: #aaa; font-size: 10px; flex-shrink: 0; }.lesson-index svg { width: 13px; height: 13px; }.lesson-link[aria-current=page] .lesson-index { border: 1px solid #777; border-radius: 50%; color: #eee; }.lesson-link strong { display: block; font-size: 11px; font-weight: 450; line-height: 1.6; }.lesson-link small { display: block; margin-top: 5px; color: #aaa; font-size: 9px; }
.course-about { margin-top: 20px; padding: 21px; border: 1px solid #333; border-radius: 8px; }.course-about h3 { font-size: 12px; }.course-about p { margin-top: 10px; color: #aaa; font-size: 11px; line-height: 1.8; }.course-about .button { width: 100%; margin-top: 16px; font-size: 10px; }
.resource-link { display: flex; align-items: center; gap: 12px; min-height: 68px; padding: 15px 18px; border: 1px solid #3c3c3c; border-radius: 6px; text-decoration: none; }.resource-link:hover { background: #262626; }.resource-link span { flex: 1; font-size: 12px; }.resource-link small { display: block; margin-top: 3px; color: #aaa; font-size: 10px; }.resource-link > svg { width: 18px; height: 18px; }.resources-intro { margin-bottom: 18px; color: #aaa; font-size: 12px; }
.notes-caption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin: 10px 0 0; color: #aaa; font-size: 10px; }.notes-label { display: block; margin-bottom: 12px; font-size: 12px; }.notes-input { font-size: 13px; line-height: 1.8; min-height: 190px !important; }.notes-tools { display: flex; gap: 10px; margin-top: 18px; }.notes-tools .button { font-size: 11px; }
@media (max-width:760px) { .search-field input { font-size: 16px !important; padding-right: 44px; }.avatar { min-height: 44px !important; min-width: 44px !important; } }
/* Preferences and messages */
.preferences-dialog { width: min(460px,calc(100% - 32px)); max-height: calc(100dvh - 48px); padding: 28px; border: 1px solid #494949; border-radius: 12px; background: #202020; color: #f5f5f5; box-shadow: 0 24px 100px #0008; }
.preferences-dialog::backdrop { background: #000a; backdrop-filter: blur(4px); }.dialog-header { display: flex; justify-content: space-between; align-items: start; gap: 14px; }.dialog-header h2 { padding-top: 8px; font-size: 21px; font-weight: 450; }.dialog-header .icon-button { margin: -8px -12px 0 0; }.dialog-intro { margin-top: 10px; font-size: 12px; color: #aaa; }.preferences-dialog form { margin-top: 28px; }.field-label { display: block; margin-bottom: 9px; font-size: 12px; }.setting-row { display: flex; gap: 18px; align-items: center; justify-content: space-between; padding: 23px 0; border-bottom: 1px solid #3b3b3b; }.setting-row label { font-size: 13px; }.setting-row p { color: #aaa; font-size: 11px; margin-top: 4px; }.switch { appearance: none; height: 26px; width: 44px; flex-shrink: 0; border: 1px solid #666; border-radius: 20px; background: #3b3b3b; cursor: pointer; }.switch::before { content: ''; display: block; height: 18px; width: 18px; border-radius: 50%; margin: 3px; background: #ddd; transition: transform 140ms; }.switch:checked { background: #eee; }.switch:checked::before { transform: translateX(17px); background: #222; }.privacy-note { display: flex; gap: 10px; margin: 20px 0 25px; color: #aaa; }.privacy-note p { font-size: 11px; line-height: 1.8; }.privacy-note svg { width: 14px; height: 14px; margin-top: 3px; }.preferences-dialog form > .button { width: 100%; font-size: 12px; }
.toast { position: fixed; z-index: 100; bottom: 24px; left: calc(50% + 116px); transform: translateX(-50%); max-width: calc(100% - 40px); padding: 12px 19px; border: 1px solid #555; border-radius: 8px; background: #303030; box-shadow: 0 8px 32px #0005; font-size: 12px; white-space: normal; }
.noscript-message { position: fixed; bottom: 20px; left: 20px; right: 20px; padding: 20px; border: 1px solid #999; background: #222; }
body[data-reduced-motion=true] *, body[data-reduced-motion=true] *::before, body[data-reduced-motion=true] *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
/* Readable UI text at everyday laptop and desktop viewing distances. */
.card-meta { font-size: 11px; }.course-card h3 { font-size: 16px; }.card-description { font-size: 12px; }.card-footer { font-size: 11px; }.filter-button { font-size: 12px; }.search-field input { font-size: 12px; }.result-summary { font-size: 11px; }.featured-copy p { font-size: 13px; }.subtle-meta { font-size: 11px; }.nav-link { font-size: 14px; }.lesson-link strong { font-size: 12px; }.course-about p { font-size: 12px; }.lesson-link small { font-size: 11px; }.curriculum-header p { font-size: 11px; }.lesson-title-row .button { font-size: 11px; }
@media (min-width:1600px) { .main-content { padding-top: 48px; }.topbar { padding-inline: 64px; }.course-grid { gap: 36px 28px; }.card-cover { aspect-ratio: 1.95; }.featured-course { min-height: 290px; }.featured-copy { padding: 36px; } }
@media (max-width:1200px) { .sidebar { width: 212px; }.main-shell { width: calc(100% - 212px); margin-left: 212px; }.topbar { padding-inline: 32px; }.main-content { padding: 32px 32px 52px; }.page-footer { width: calc(100% - 64px); }.course-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }.catalog-toolbar { flex-wrap: wrap; gap: 8px; }.filter-list { gap: 24px; }.catalog-tools { margin-left: auto; }.featured-copy { padding: 25px; }.featured-actions { gap: 12px; }.lesson-layout { grid-template-columns: minmax(0,1fr) 250px; gap: 24px; }.toast { left: calc(50% + 106px); } }
@media (max-width:980px) and (min-width:761px) { .lesson-layout { grid-template-columns: 1fr; }.lesson-aside { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }.course-about { margin-top: 0; }.featured-course { grid-template-columns: 1.2fr .8fr; }.featured-actions { flex-wrap: wrap; }.featured-art .art-orbit { width: 165px; height: 165px; }.catalog-tools { width: 100%; justify-content: space-between; }.search-field { width: 260px; }.breadcrumbs .crumb-current { max-width: 180px; }.search-trigger > span:not([data-icon]), .search-trigger kbd { display: none; }.search-trigger { width: 44px; justify-content: center; } }
@media (max-width:760px) { .sidebar { width: 258px; transform: translateX(-100%); transition: transform 200ms; padding-top: 24px; }.sidebar.is-open { transform: translateX(0); }.sidebar-close { display: inline-flex; position: absolute; top: 24px; right: 12px; }.nav-scrim { position: fixed; z-index: 35; inset: 0; background: #000b; backdrop-filter: blur(3px); }.main-shell { width: 100%; margin-left: 0; }.menu-toggle { display: flex; margin-left: -10px; }.topbar { height: 72px; padding: 0 24px; border-bottom: 1px solid #2b2b2b; gap: 8px; }.topbar-leading { gap: 7px; }.topbar-actions { gap: 5px; }.search-trigger { min-width: 44px; justify-content: center; }.search-trigger > span:not([data-icon]), .search-trigger kbd { display: none; }.avatar { min-height: 34px; min-width: 34px; }.main-content { padding: 32px 24px 48px; }.page-heading { margin-bottom: 28px; }.page-heading h1 { font-size: 34px; max-width: 19ch; }.page-heading p { max-width: 43ch; font-size: 12px; }.page-number { display: none; }.eyebrow { margin-bottom: 16px; font-size: 9px; }.featured-course { min-height: 240px; margin-bottom: 34px; grid-template-columns: 1.4fr 1fr; }.featured-copy { padding: 24px; }.featured-copy h2 { font-size: 25px; }.featured-copy p { font-size: 11px; }.featured-art .art-orbit { width: 155px; height: 155px; }.art-letters { font-size: 130px; }.art-caption { left: 12px; right: 12px; font-size: 6px; }.featured-actions { flex-wrap: wrap; gap: 10px; }.catalog-toolbar { flex-wrap: wrap; row-gap: 0; }.filter-list { width: 100%; justify-content: space-between; gap: 16px; order: 2; }.filter-button { min-height: 48px; font-size: 11px; }.catalog-tools { width: 100%; justify-content: space-between; order: 1; padding-bottom: 12px; }.search-field { width: min(65%,300px); }.search-field input { min-height: 44px; font-size: 12px; }.result-summary { margin-top: 0; }.course-grid { gap: 28px 20px; }.cover-numeral { font-size: 80px; }.card-meta { font-size: 9px; }.course-card h3 { font-size: 14px; }.page-footer { width: calc(100% - 48px); padding: 20px 0; }.toast { left: 50%; bottom: 20px; }.lesson-layout { grid-template-columns: 1fr; gap: 32px; }.lesson-heading h1 { font-size: 30px; max-width: 24ch; }.lesson-title-row h2 { font-size: 20px; }.lesson-aside { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }.course-about { margin: 0; }.breadcrumbs .crumb-current { max-width: 200px; }.lesson-heading { margin-top: 2px; }.notes-input { font-size: 16px; }.preferences-dialog input.input { font-size: 16px; } }
@media (max-width:480px) { .topbar { padding-inline: 20px; }.main-content { padding: 28px 20px 40px; }.topbar-leading { gap: 3px; }.breadcrumbs { gap: 8px; font-size: 11px; }.breadcrumbs .crumb-current { max-width: 145px; }.page-heading h1 { font-size: 32px; }.featured-course { display: block; }.featured-art { display: none; }.featured-copy { padding: 24px; }.featured-copy h2 { max-width: 22ch; font-size: 27px; }.featured-copy p { font-size: 12px; }.featured-actions { margin-top: 23px; gap: 18px; }.featured-actions .button { min-height: 44px; }.course-grid { grid-template-columns: 1fr; gap: 30px; }.card-cover { aspect-ratio: 2.05; }.cover-numeral { font-size: 98px; }.card-meta { margin-top: 15px; font-size: 10px; }.course-card h3 { font-size: 17px; }.card-description { font-size: 12px; }.card-footer { margin-top: 14px; font-size: 10px; }.cover-bottom { font-size: 9px; }.filter-list { gap: 10px; }.filter-button { font-size: 10px; }.search-field { width: 62%; }.sort-select { padding-right: 4px; font-size: 10px; max-width: 115px; }.section-title-row p { font-size: 10px; }.section-title-row h2 { font-size: 17px; }.result-summary { font-size: 10px; }.lesson-aside { display: block; }.course-about { margin-top: 20px; }.lesson-title-row { margin-top: 22px; }.lesson-title-row h2 { font-size: 19px; max-width: 100%; }.lesson-title-row > div { width: 100%; }.lesson-title-row .button { width: 100%; min-height: 44px; font-size: 12px; }.lesson-tabs { gap: 26px; }.lesson-tabs button { font-size: 12px; }.player-note { font-size: 9px; }.summary-copy { font-size: 13px; }.video-play { gap: 10px; padding: 18px; }.play-circle { width: 48px; height: 48px; }.video-play-label { font-size: 11px; }.video-play-meta { font-size: 9px; }.lesson-pagination .button { font-size: 10px; padding-inline: 10px; }.learning-stat { gap: 20px; }.stat strong { font-size: 22px; }.stat span { font-size: 10px; }.page-footer { width: calc(100% - 40px); font-size: 9px; }.preferences-dialog { padding: 24px; }.dialog-header h2 { font-size: 20px; }.toast { width: max-content; max-width: calc(100% - 32px); font-size: 11px; } }