:root {
  --ink: #17263d;
  --muted: #68788d;
  --navy: #101e36;
  --navy-2: #172a49;
  --blue: #315c96;
  --line: #e5eaf1;
  --canvas: #f7f9fc;
  --white: #fff;
  --lime: #d6f3ae;
  --radius: 16px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--canvas); }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
img { max-width: 100%; }
a:focus-visible, summary:focus-visible { outline: 3px solid #5aa8ff; outline-offset: 3px; }
.skip-link { position: absolute; z-index: 20; top: -60px; left: 20px; background: white; padding: 12px; }
.skip-link:focus { top: 8px; }
.topbar { display: flex; align-items: center; gap: 26px; justify-content: space-between; height: 80px; padding: 0 32px; background: white; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark { width: 41px; height: 41px; background: var(--navy); color: var(--lime); border-radius: 11px; display: grid; place-items: center; font-size: 26px; font-weight: 800; font-family: Georgia, serif; }
.brand-copy { display: flex; flex-direction: column; gap: 3px; letter-spacing: 0.13em; }
.brand-copy strong { font-size: 14px; line-height: 1; }
.brand-copy small { letter-spacing: .05em; font-size: 10px; color: #7b8a9c; font-weight: 600; }
.build-indicator { color: #7d8997; font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.build-dot, .status-dot { background: #58b897; width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.header-links { display: flex; align-items: center; gap: 26px; font-size: 13px; font-weight: 650; color: #33435a; }
.header-links a:hover, .footer a:hover, .text-link:hover { color: #2f77be; }
.topbar-login { background: #10233f; color: white; padding: 12px 17px; border-radius: 9px; display: inline-flex; align-items: center; gap: 14px; }
.header-links .topbar-login:hover { color: var(--lime); }
.mobile-navigation { display: none; }
.app-frame { display: grid; grid-template-columns: 256px minmax(0, 1fr); min-height: calc(100vh - 80px); }
.sidebar { background: var(--navy); padding: 24px 13px 30px; color: #e4ebf7; }
.side-nav { display: flex; flex-direction: column; gap: 17px; }
.nav-group { display: flex; flex-direction: column; gap: 3px; }
.nav-heading { font-size: 10px; color: #91a2bc; padding: 0 13px 7px; text-transform: uppercase; letter-spacing: 0.13em; font-weight: 750; }
.nav-link { display: flex; align-items: center; gap: 11px; font-size: 12.5px; color: #bbc9df; border-radius: 8px; padding: 9px 12px; line-height: 1.2; }
.nav-link:hover { background: #243a59; color: white; }
.nav-link.is-active { background: #2d4566; color: white; font-weight: 700; }
.nav-pip { width: 7px; height: 7px; border: 1.5px solid #8298b5; border-radius: 50%; flex: 0 0 auto; }
.nav-link.is-active .nav-pip { border-color: var(--lime); background: var(--lime); }
.nav-help { margin: 10px 7px 0; padding: 17px 15px; border: 1px solid #3e506b; background: #1a304f; border-radius: 11px; }
.nav-help strong { display: block; margin: 8px 0; font-size: 13px; color: #f7fbff; }
.nav-help p { font-size: 11px; color: #a8bad1; line-height: 1.6; margin: 0; }
.workspace { min-width: 0; display: flex; flex-direction: column; }
.public-frame { min-height: calc(100vh - 80px); display: flex; flex-direction: column; }
.public-content { flex: 1; width: 100%; max-width: 1260px; margin: 0 auto; padding: 54px clamp(32px, 6vw, 96px) 88px; }
.guest-welcome { display: flex; align-items: center; min-height: clamp(360px, 58vh, 690px); }
.guest-welcome-inner { width: 100%; max-width: 720px; margin-left: auto; margin-right: auto; }
.guest-kicker { font-size: 11px; font-weight: 800; letter-spacing: .22em; color: #5076a1; }
.guest-welcome h1 { margin: 22px 0 21px; font-size: clamp(43px, 6vw, 79px); line-height: 1.06; letter-spacing: -.055em; color: #193050; font-weight: 690; }
.guest-welcome p { font-size: clamp(15px, 1.4vw, 18px); line-height: 1.9; color: #728198; max-width: 620px; margin: 0; }
.header-logout { margin: 0; }
.logout-button { border: 0; cursor: pointer; font-size: 13px; font-weight: 650; }
.sidebar-logout { margin: 0 8px; }
.sidebar-logout button { width: 100%; text-align: left; border: 1px solid #556b88; border-radius: 9px; background: #243a58; color: #eef6ff; cursor: pointer; padding: 12px 14px; font-size: 12px; }
.sidebar-logout button:hover { background: #355372; }
.login-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(335px, 420px); gap: clamp(24px, 5vw, 90px); align-items: center; min-height: 64vh; }
.login-intro h1 { font-size: clamp(41px, 5vw, 67px); letter-spacing: -.055em; line-height: 1.1; margin: 18px 0; }
.login-intro p { color: #75869b; max-width: 550px; line-height: 1.85; font-size: 15px; }
.login-intro .login-note { font-size: 12px; color: #8190a0; margin-top: 26px; }
.login-panel { box-shadow: 0 15px 65px #17314b0b; }
.login-panel h2 { font-size: 29px; margin: 12px 0 24px; }
.login-form { display: flex; flex-direction: column; gap: 10px; }
.login-form label { margin-top: 11px; font-size: 12px; font-weight: 750; }
.login-form .form-control { padding: 13px 14px; border: 1px solid #cad5e3; border-radius: 9px; }
.login-submit { width: 100%; margin-top: 20px; padding: 15px 18px; border: 0; cursor: pointer; }
.login-help { color: #8592a1; font-size: 11px; line-height: 1.7; margin-top: 20px; }
.access-denied { min-height: 45vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; max-width: 710px; }
.access-denied h1 { font-size: clamp(30px, 3.5vw, 48px); margin: 24px 0 12px; }
.access-denied p { color: #748498; line-height: 1.8; margin-bottom: 26px; }
.area-admin .sidebar { background: #142439; }
.area-student .sidebar { background: #152a46; }
.main-content { flex: 1; padding: 29px clamp(22px, 3.3vw, 58px) 70px; max-width: 1720px; width: 100%; margin: 0 auto; }
.breadcrumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: #8a97a6; font-size: 11px; font-weight: 600; margin-bottom: 29px; }
.breadcrumbs a:hover { color: var(--blue); }
.breadcrumbs strong { color: #3f536e; font-weight: 700; }
.page-heading { display: flex; gap: 22px; align-items: flex-start; justify-content: space-between; margin-bottom: 36px; }
.page-heading h1 { font-size: clamp(32px, 3.4vw, 50px); letter-spacing: -.046em; line-height: 1.12; margin: 12px 0 13px; font-weight: 760; }
.eyebrow, .mini-label { font-size: 10px; letter-spacing: .16em; color: #6585aa; font-weight: 800; text-transform: uppercase; }
.eyebrow span { margin: 0 8px; }
.lead { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; max-width: 760px; }
.status-pill { white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; font-size: 11px; padding: 10px 14px; color: #347565; background: #e9f8f1; border: 1px solid #cfebde; border-radius: 30px; font-weight: 750; margin-top: 9px; }
.home-hero { border-radius: 21px; background: #112643; color: white; position: relative; overflow: hidden; padding: clamp(32px, 4.6vw, 72px); min-height: 450px; display: flex; align-items: center; }
.home-hero:before { content: ""; position: absolute; width: 640px; height: 640px; border-radius: 50%; top: -220px; right: -175px; background: radial-gradient(circle, #304c78 0, #1c3455 46%, transparent 69%); opacity: .82; }
.home-hero-copy { position: relative; z-index: 1; max-width: 600px; }
.hero-overline { color: #c7d9eb; font-weight: 800; letter-spacing: .16em; font-size: 10px; }
.tiny-rule { width: 21px; height: 1px; background: var(--lime); display: inline-block; vertical-align: middle; margin: 0 7px; }
.home-hero h1 { font-size: clamp(45px, 5.5vw, 84px); font-weight: 720; letter-spacing: -.056em; line-height: 1.03; margin: 25px 0; }
.home-hero h1 em { color: var(--lime); font-style: normal; font-family: Georgia, serif; font-weight: 400; }
.home-hero p { line-height: 1.75; font-size: 14px; max-width: 500px; color: #becce0; margin: 0 0 29px; }
.button-row { display: flex; gap: 11px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 20px; justify-content: space-between; padding: 13px 19px; border-radius: 9px; font-weight: 750; font-size: 12px; line-height: 1.3; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-2px); }
.btn-light { background: var(--lime); color: #17314f; }
.btn-outline-light { border: 1px solid #6682a1; color: #fff; }
.btn-primary { background: #173b6b; color: white; }
.btn-secondary { background: #eef2f7; color: #28445f; }
.btn-dark { background: #17314e; color: white; }
.btn-block { display: flex; margin-top: 11px; }
.hero-visual { position: absolute; right: 9%; width: 290px; height: 330px; top: 17%; display: grid; place-items: center; }
.orbit { border: 1px solid rgba(211,241,184,.22); width: 270px; height: 270px; border-radius: 50%; position: absolute; transform: rotate(-23deg) scaleX(.73); }
.orbit-two { transform: rotate(48deg) scaleX(.73); border-color: rgba(255,255,255,.14); }
.hero-seal { width: 170px; height: 170px; background: linear-gradient(135deg, #a8c3d1, #e4f4ad); border-radius: 50%; color: #163051; display: flex; flex-direction: column; align-items: center; justify-content: center; transform: rotate(-11deg); box-shadow: 0 21px 65px #081b34; }
.hero-seal span { letter-spacing: .26em; font-size: 12px; font-weight: 900; }
.hero-seal strong { font-size: 36px; font-family: Georgia, serif; font-weight: 500; }
.hero-seal small { letter-spacing: .1em; font-size: 8px; margin-top: 12px; font-weight: 850; }
.floating-label { position: absolute; bottom: 7px; left: -3px; background: rgba(255,255,255,.12); border: 1px solid #7088a4; padding: 11px 17px; border-radius: 25px; color: #eaf7c2; letter-spacing: .14em; font-size: 9px; font-weight: 800; }
.floating-label span { margin-left: 12px; }
.stats-ribbon { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 24px 0 57px; background: white; border: 1px solid var(--line); border-radius: 15px; }
.stats-ribbon div { padding: 22px 27px; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.stats-ribbon div:last-child { border-right: 0; }
.stats-ribbon strong { font-size: 31px; letter-spacing: -.04em; color: #183654; }
.stats-ribbon span { font-size: 11px; color: #7f8c9b; }
.section-block { margin-top: 44px; }
.section-title-row { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.section-title-row h2 { margin: 9px 0 0; font-size: clamp(22px, 2.2vw, 30px); letter-spacing: -.035em; }
.text-link { font-size: 12px; color: #315d8f; font-weight: 750; display: inline-flex; align-items: center; gap: 15px; white-space: nowrap; }
.spotlight-grid, .course-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; }
.spotlight-card { min-height: 255px; padding: 24px; background: white; border-radius: var(--radius); border: 1px solid var(--line); display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.spotlight-card:hover, .course-card:hover, .related-card:hover, .directory-item:hover { transform: translateY(-3px); box-shadow: 0 12px 35px #17314b12; }
.spotlight-number { color: #65819c; letter-spacing: .16em; font-size: 10px; font-weight: 850; }
.spotlight-symbol { margin-top: 20px; color: #2b6796; font-size: 32px; }
.spotlight-instructor .spotlight-symbol { color: #a77732; }
.spotlight-admin .spotlight-symbol { color: #55786c; }
.spotlight-card h3 { font-size: 20px; margin: 12px 0 7px; letter-spacing: -.02em; }
.spotlight-card p { font-size: 12px; line-height: 1.7; color: #768699; margin: 0 0 20px; }
.spotlight-action { margin-top: auto; font-size: 12px; font-weight: 750; color: #315d8f; }
.info-banner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 29px 35px; background: #e8f0ea; border: 1px solid #d2e5d8; border-radius: 16px; margin-top: 44px; }
.info-banner h3 { margin: 7px 0; font-size: 23px; letter-spacing: -.026em; }
.info-banner p { margin: 0; font-size: 12px; line-height: 1.65; color: #627971; max-width: 660px; }
.footer { border-top: 1px solid var(--line); padding: 22px clamp(22px, 3.3vw, 58px); display: flex; justify-content: space-between; gap: 20px; color: #8b97a4; font-size: 11px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 21px; }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.related-card { background: white; border: 1px solid var(--line); border-radius: 13px; padding: 20px; min-height: 142px; display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.related-card strong { font-size: 15px; margin-bottom: 8px; }
.related-card small { color: #8b97a4; line-height: 1.5; font-size: 11px; }
.related-arrow { color: #7a9dbc; font-size: 16px; align-self: end; margin-bottom: 9px; }
.panel { background: white; border: 1px solid var(--line); border-radius: var(--radius); padding: 29px; }
.two-column-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 22px; align-items: start; }
.feature-panel { min-height: 360px; }
.feature-panel h2 { font-size: clamp(25px, 2.8vw, 38px); letter-spacing: -.04em; margin: 20px 0 15px; }
.feature-panel p, .lesson-details p { color: #728096; line-height: 1.75; font-size: 13px; max-width: 710px; }
.feature-breadcrumb { font-size: 10px; color: #7792ac; letter-spacing: .15em; font-weight: 800; }
.feature-breadcrumb span { color: #b7c1cd; margin: 0 7px; }
.feature-lead { font-size: 15px !important; }
.stage-divider { height: 1px; background: var(--line); margin: 25px 0; }
.coming-list { display: grid; gap: 18px; margin: 0 0 30px; }
.coming-list > div { display: flex; gap: 13px; align-items: start; }
.checkmark, .pending-mark { background: #e6f7ef; color: #2c9975; border-radius: 50%; width: 25px; height: 25px; flex: 0 0 auto; display: grid; place-items: center; font-size: 13px; font-weight: 850; }
.pending-mark { background: #f1f2f6; color: #97a1af; font-size: 22px; }
.coming-list strong { display: block; font-size: 12px; }
.coming-list small { display: block; margin-top: 4px; color: #8b97a4; font-size: 11px; line-height: 1.5; }
.course-side-panel { position: relative; }
.course-side-panel h3 { font-size: 23px; letter-spacing: -.04em; margin: 13px 0; }
.course-side-panel p { font-size: 12px; line-height: 1.7; color: #7c8998; margin: 0 0 20px; }
.large-status-icon { display: flex; align-items: center; justify-content: center; height: 120px; color: #7ba6cc; font-size: 70px; background: #f5f8fb; margin-top: 15px; border-radius: 12px; }
.side-note { background: #f5f7fa; border-radius: 9px; padding: 13px 15px; font-size: 11px; color: #82909c; line-height: 1.65; margin-top: 23px; }
.side-note strong { display: block; color: #475c74; }
.side-note span { display: block; }
.side-link { display: flex; justify-content: space-between; padding: 14px 0; font-size: 12px; font-weight: 700; color: #355a7e; border-bottom: 1px solid var(--line); }
.side-link:hover { color: #237eae; }
.catalog-intro, .directory-banner { border-radius: 16px; display: flex; justify-content: space-between; align-items: center; gap: 25px; padding: 34px 39px; background: #e9f0fa; overflow: hidden; }
.catalog-intro h2, .directory-banner h2 { font-size: clamp(25px, 2.5vw, 34px); max-width: 590px; letter-spacing: -.04em; margin: 10px 0; }
.catalog-intro p, .directory-banner p { font-size: 12px; color: #6c7f99; max-width: 600px; line-height: 1.7; margin: 0; }
.catalog-art { font-size: 110px; color: #b5cde5; line-height: 1; padding: 0 35px; }
.subtle-label { letter-spacing: .13em; color: #8b97a6; font-size: 10px; font-weight: 800; white-space: nowrap; }
.course-card { overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 16px; transition: transform .15s, box-shadow .15s; }
.course-art { height: 157px; display: flex; align-items: center; justify-content: center; position: relative; }
.art-violet { background: linear-gradient(135deg, #d9e1ff, #b5abd5); }
.art-amber { background: linear-gradient(135deg, #f8e0b9, #ecc89b); }
.art-mint { background: linear-gradient(135deg, #d9f1e3, #bbd8ca); }
.art-figure { font-size: 93px; color: #516485; opacity: .65; }
.art-caption { position: absolute; bottom: 14px; left: 19px; font-size: 9px; letter-spacing: .16em; font-weight: 850; color: #334768; }
.course-card-content { padding: 21px; }
.course-category { font-size: 10px; font-weight: 800; letter-spacing: .1em; color: #5780a8; text-transform: uppercase; }
.course-card h3 { font-size: 18px; margin: 9px 0; letter-spacing: -.02em; }
.course-card p { color: #7c8b9d; font-size: 12px; min-height: 42px; line-height: 1.7; }
.course-footer { display: flex; justify-content: space-between; padding-top: 15px; margin-top: 18px; border-top: 1px solid var(--line); color: #37618a; font-size: 11px; font-weight: 800; }
.course-banner-art { height: 210px; display: flex; gap: 10px; align-items: center; justify-content: center; overflow: hidden; border-radius: 12px; background: radial-gradient(circle at 75% 50%, #416c94, #152c4c 75%); position: relative; color: #dcf8cb; margin: 20px 0; }
.course-banner-art span { font-size: 11px; letter-spacing: .25em; font-weight: 900; }
.course-banner-art strong { font-size: 55px; font-weight: 350; }
.course-banner-art i { position: absolute; right: 10%; font-size: 160px; color: #baf4d1; opacity: .3; font-style: normal; }
.syllabus-row { display: flex; gap: 17px; align-items: center; padding: 18px 20px; margin-bottom: 8px; background: white; border: 1px solid var(--line); border-radius: 10px; }
.syllabus-row:hover { border-color: #a5c4e3; }
.lesson-index { color: #7d9ab8; font-size: 17px; font-weight: 750; }
.syllabus-row strong, .syllabus-row small { display: block; }
.syllabus-row strong { font-size: 13px; }
.syllabus-row small { font-size: 10px; color: #98a4b2; margin-top: 5px; }
.syllabus-arrow { margin-left: auto; color: #416b93; }
.video-placeholder { min-height: 370px; background: radial-gradient(circle at 60% 20%, #35567f, #11213d 72%); border-radius: 16px; color: #dce8f5; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 11px; text-align: center; padding: 25px; }
.video-placeholder .video-symbol { width: 82px; height: 82px; border: 1px solid #8ca6c0; border-radius: 50%; display: grid; place-items: center; font-size: 44px; padding-left: 4px; color: #d5f2ae; }
.video-placeholder strong { font-size: 18px; margin-top: 6px; }
.video-placeholder span { font-size: 11px; color: #9eb4ca; line-height: 1.5; }
.lesson-details { margin-top: 20px; }
.lesson-details h2 { font-size: 25px; letter-spacing: -.035em; margin: 14px 0; }
.lesson-details .button-row { margin-top: 24px; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.metric-card { background: white; padding: 23px; border: 1px solid var(--line); border-radius: 14px; display: flex; flex-direction: column; }
.metric-card strong { font-size: 42px; font-weight: 500; margin: 10px 0; color: #8ca1b7; }
.metric-card small { color: #96a2af; font-size: 10px; }
.auth-wrap { display: grid; grid-template-columns: minmax(0, 510px) 1fr; gap: 50px; align-items: center; }
.auth-panel { padding: 35px; }
.auth-icon { width: 45px; height: 45px; border-radius: 12px; background: #e9f1e4; display: grid; place-items: center; color: #6f9474; font-size: 26px; }
.auth-panel h2 { font-size: 30px; margin: 18px 0 10px; letter-spacing: -.04em; }
.auth-panel p { color: #8491a1; font-size: 12px; line-height: 1.7; margin-bottom: 25px; }
.mock-field { margin: 15px 0; }
.mock-field span { font-weight: 700; color: #5f7186; font-size: 11px; display: block; margin-bottom: 9px; }
.mock-field div { border-radius: 8px; border: 1px solid var(--line); padding: 13px 15px; background: #f8fafc; font-size: 12px; color: #a0aab6; }
.mock-submit { background: #d9e0e8; text-align: center; color: #728497; border-radius: 8px; font-size: 12px; padding: 14px; margin-top: 24px; font-weight: 700; }
.auth-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 17px; margin-top: 20px; font-size: 11px; color: #34628d; font-weight: 750; }
.auth-links a:hover { text-decoration: underline; }
.auth-aside { padding: 25px; }
.auth-aside h2 { font-size: clamp(31px, 3.5vw, 53px); letter-spacing: -.05em; margin: 18px 0; line-height: 1.1; }
.auth-aside p { color: #8090a2; font-size: 13px; line-height: 1.8; margin: 0 0 25px; max-width: 440px; }
.directory-banner { background: #e5f0e9; }
.directory-emblem { font-size: 95px; color: #aacabb; line-height: 1; margin: 0 25px; }
.directory-group { margin-top: 39px; }
.directory-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.directory-item { padding: 16px; display: flex; align-items: center; justify-content: space-between; gap: 13px; background: white; border: 1px solid var(--line); border-radius: 9px; transition: transform .15s, box-shadow .15s; }
.directory-item.is-current { border-color: #78b995; background: #f2fbf6; }
.directory-item strong, .directory-item small { display: block; }
.directory-item strong { font-size: 12px; }
.directory-item small { margin-top: 5px; color: #99a7b3; font-size: 10px; overflow-wrap: anywhere; }
.directory-item > span:last-child { color: #6592b8; }
@media (max-width: 1280px) {
  .header-links { gap: 14px; }
  .build-indicator { display: none; }
  .hero-visual { right: 4%; opacity: .7; }
  .home-hero-copy { max-width: 560px; }
}
@media (max-width: 1060px) {
  .app-frame { grid-template-columns: 215px minmax(0, 1fr); }
  .header-links a:not(.topbar-login) { display: none; }
  .area-public .header-links { display: none; }
  .area-public .mobile-navigation { display: block; margin-left: auto; }
  .area-public .mobile-navigation summary { list-style: none; cursor: pointer; font-size: 12px; font-weight: 750; padding: 10px 13px; border: 1px solid var(--line); border-radius: 8px; }
  .area-public .mobile-navigation summary::-webkit-details-marker { display: none; }
  .area-public .mobile-navigation-panel { position: absolute; right: 0; top: 79px; width: min(340px, 100vw); max-height: 75vh; overflow-y: auto; color: white; background: var(--navy); box-shadow: 0 20px 34px #06142b55; padding: 22px 14px; }
  .main-content { padding-left: 24px; padding-right: 24px; }
  .home-hero-copy { max-width: 510px; }
  .hero-visual { opacity: .24; right: -65px; }
  .spotlight-grid, .course-grid, .related-grid, .directory-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-column-layout { grid-template-columns: minmax(0, 1fr) 245px; }
}
@media (max-width: 760px) {
  .topbar { height: 66px; padding: 0 17px; }
  .brand-mark { width: 37px; height: 37px; font-size: 22px; }
  .brand-copy strong { font-size: 12px; }
  .brand-copy small { font-size: 9px; }
  .topbar-login { display: none; }
  .sidebar { display: none; }
  .app-frame { display: block; min-height: calc(100vh - 66px); }
  .public-frame { min-height: calc(100vh - 66px); }
  .public-content { padding: 28px clamp(24px, 5vw, 42px) 50px; }
  .guest-welcome { min-height: 58vh; }
  .guest-welcome h1 { font-size: 47px; }
  .main-content { padding: 19px 16px 45px; }
  .mobile-navigation { display: block; margin-left: auto; }
  .mobile-navigation summary { list-style: none; cursor: pointer; font-size: 12px; font-weight: 750; padding: 10px 13px; border: 1px solid var(--line); border-radius: 8px; }
  .mobile-navigation summary::-webkit-details-marker { display: none; }
  .mobile-navigation-panel { position: absolute; right: 0; top: 64px; width: min(340px, 100vw); max-height: 75vh; overflow-y: auto; color: white; background: var(--navy); box-shadow: 0 20px 34px #06142b55; padding: 22px 14px; }
  .breadcrumbs { margin-bottom: 18px; }
  .page-heading { display: block; margin-bottom: 27px; }
  .page-heading h1 { font-size: 33px; }
  .status-pill { margin-top: 19px; }
  .home-hero { padding: 40px 26px; min-height: 390px; }
  .home-hero h1 { font-size: 46px; }
  .hero-visual { display: none; }
  .stats-ribbon { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 37px; }
  .stats-ribbon div { padding: 20px; }
  .stats-ribbon div:nth-child(2) { border-right: 0; }
  .stats-ribbon div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .spotlight-grid, .course-grid, .related-grid, .directory-grid, .metric-grid, .two-column-layout, .auth-wrap { grid-template-columns: 1fr; }
  .login-layout { grid-template-columns: 1fr; min-height: auto; }
  .login-intro { padding: 22px 0 0; }
  .spotlight-card { min-height: 210px; }
  .section-block { margin-top: 36px; }
  .section-title-row { align-items: start; }
  .section-title-row h2 { font-size: 23px; }
  .section-title-row .text-link { margin-top: 4px; }
  .info-banner { display: block; padding: 25px; }
  .info-banner .btn { margin-top: 22px; }
  .catalog-intro, .directory-banner { padding: 25px; }
  .catalog-art, .directory-emblem { display: none; }
  .footer { flex-direction: column; gap: 12px; padding: 23px 17px; }
  .auth-aside { padding: 15px 5px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after { scroll-behavior: auto !important; transition: none !important; }
}

/* One-time setup UI; all custom LMS styles stay in main.css */
.setup-layout { width: min(100%, 980px); margin: 0 auto; padding: clamp(24px, 4vw, 56px) clamp(18px, 3vw, 32px); }
.setup-panel { padding: clamp(20px, 4vw, 38px); }
.setup-panel h1 { font-size: clamp(1.7rem, 3.2vw, 2.25rem); margin: .55rem 0 1rem; }
.setup-panel code { overflow-wrap: anywhere; }
.setup-password { font-weight: 700; font-size: 0.92rem; user-select: text; }
.setup-form { margin-top: 1.75rem; }
.setup-warning { color: #974522; margin-top: 1rem; }


/* Stage 04: secure account and password management */
.account-container { width: min(100%, 860px); margin-inline: auto; padding: clamp(1rem, 2.5vw, 2rem); }
.account-container > h1 { margin-bottom: 0.5rem; }
.account-panel { padding: clamp(1.1rem, 3vw, 2rem); margin-block: 1.5rem; }
.account-panel h2 { font-size: clamp(1.15rem, 2vw, 1.5rem); margin-bottom: 1rem; }
.account-panel .form-control, .account-panel .form-select { max-width: 660px; }
@media (max-width: 640px) { .account-container { padding-inline: 1rem; } }

/* Stage: admin lecture management; all custom styling remains in main.css */
.lecture-shell { width: min(100%, 1320px); margin: 0 auto; padding: 15px clamp(0px, 1vw, 15px) 56px; }
.lecture-toolbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-bottom: 27px; flex-wrap: wrap; }
.lecture-toolbar h1 { font-size: clamp(29px, 3.3vw, 46px); font-weight: 750; letter-spacing: -.045em; color: #192c47; margin: 12px 0 12px; }
.lecture-toolbar p { margin: 0; max-width: 720px; line-height: 1.7; }
.lecture-panel { background: #fff; border: 1px solid #e1e7ef; border-radius: 15px; box-shadow: 0 8px 25px #1f31500a; }
.lecture-panel th { color: #5b6a7e; font-weight: 700; font-size: 12px; letter-spacing: .03em; padding: 18px 20px; white-space: nowrap; }
.lecture-panel td { padding: 16px 20px; }
.lecture-list-desc { color: #8290a1; font-size: 12px; line-height: 1.65; max-width: 570px; margin-top: 5px; overflow-wrap: anywhere; }
.lecture-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.lecture-actions form { margin: 0; }
.lecture-note { padding: 18px 6px; color: #748396; font-size: 12px; line-height: 1.7; }
.lecture-back { margin-bottom: 18px; color: #557aa0; font-size: 13px; font-weight: 650; }
.lecture-back a:hover { text-decoration: underline; }
.lecture-editor { padding: clamp(20px, 3vw, 36px); }
.lecture-editor h2 { font-size: 19px; margin-bottom: 19px; }
.lecture-editor .form-control { border-color: #d5dfeb; }
.lecture-editor .form-control:focus { border-color: #527fb2; }
.lecture-upload-zone { background: #f7faff; border: 1px dashed #b7cbe0; border-radius: 12px; padding: 20px; }
.lecture-files { display: flex; flex-direction: column; }
.lecture-file-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 0; border-top: 1px solid #e9edf3; }
.lecture-file-name { min-width: 0; overflow-wrap: anywhere; }
.lecture-file-name strong { display: block; font-size: 13px; font-weight: 700; }
.lecture-file-name small { display: block; color: #718095; margin-top: 5px; font-size: 11px; }
.lecture-media-grid { display: grid; gap: 24px; }
.lecture-player-card { background: #142439; color: white; border-radius: 15px; padding: clamp(18px, 3vw, 30px); min-width: 0; overflow: hidden; }
.lecture-player-card h2 { font-size: 17px; margin-bottom: 17px; overflow-wrap: anywhere; }
.lecture-video { display: block; width: 100%; max-height: 70vh; background: #000; border-radius: 8px; }
.lecture-audio { display: block; width: 100%; margin: 18px 0; }
.lecture-file-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 16px; color: #bfd0e4; font-size: 12px; }
.lecture-file-meta a { color: #ddf6b1; }
.lecture-description { padding: 24px; margin-bottom: 25px; white-space: normal; color: #4f6075; line-height: 1.8; overflow-wrap: anywhere; }
.lecture-empty { padding: clamp(24px, 4vw, 50px); }
.lecture-empty h2 { font-size: 23px; }
@media (max-width: 740px) {
  .lecture-panel td, .lecture-panel th { padding: 13px; }
  .lecture-file-row { align-items: flex-start; flex-direction: column; }
  .lecture-toolbar { align-items: stretch; }
  .lecture-toolbar > .btn { width: fit-content; }
}

/* Admin course stage 2: simple price field and speed/resume playback bar */
.lecture-price-field { max-width: 260px; }
.lecture-playback-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 17px 0 3px; }
.lecture-playback-controls label { font-weight: 650; font-size: 13px; color: #eaf1fc; }
.lecture-playback-controls .form-select { width: 108px; max-width: 100%; }
.lecture-resume-status { flex: 1 1 190px; color: #d3e0ed; font-size: 12px; line-height: 1.5; }
.lecture-playback-controls .btn { white-space: normal; }
@media (max-width: 575px) {
  .lecture-playback-controls { gap: 9px; }
  .lecture-resume-status { flex-basis: 100%; order: 3; }
  .lecture-playback-controls .btn { margin-left: auto; }
}

/* Course > titled lessons > one active video; student outline shares the same visual hierarchy. */
.course-section-nav {display:flex;gap:8px;align-items:center;flex-wrap:wrap;background:#f0f5fb;border:1px solid #dce6f0;border-radius:12px;padding:11px 13px;margin-bottom:22px;}
.course-section-nav a {color:#225a91;text-decoration:none;font-size:13px;font-weight:650;padding:7px 10px;border-radius:7px;}
.course-section-nav a:hover,.course-section-nav a[aria-current="page"] {color:#123b65;background:#fff;}
.course-lesson-layout {display:grid;grid-template-columns:minmax(230px,300px) minmax(0,1fr);gap:18px;align-items:start;}
.course-lesson-list {padding:16px 10px;max-height:75vh;overflow:auto;}
.course-lesson-list h2 {font-size:18px;margin:6px 12px 15px;}
.course-lesson-link {display:flex;gap:10px;align-items:center;color:#273c55;text-decoration:none;padding:13px 10px;border-radius:9px;font-size:13px;line-height:1.55;overflow-wrap:anywhere;}
.course-lesson-link:hover,.course-lesson-link.is-active {background:#edf5ff;color:#0b487b;}
.course-lesson-link.is-active {font-weight:750;box-shadow:inset 3px 0 #28649d;}
.course-lesson-link>span:nth-child(2){flex:1;min-width:0;}
.course-lesson-count {width:27px;height:27px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex:0 0 27px;background:#dce8f3;color:#365b7f;font-size:12px;}
.course-active-player {min-width:0;}
.course-player-bottom-nav {display:flex;flex-wrap:wrap;gap:14px;padding:14px 2px;font-size:13px;}
.course-player-bottom-nav a {color:#275f94;}
.lecture-file-actions {display:flex;flex-wrap:wrap;gap:9px;align-items:center;}
.lecture-file-actions form {margin:0;}
.lecture-rename-form {display:flex;gap:6px;align-items:center;flex-wrap:wrap;}
.lecture-rename-form input {width:min(240px,75vw);}
.lecture-bulk-title-row {margin-top:13px;}
.lecture-bulk-title-row label {font-size:13px;overflow-wrap:anywhere;}
.course-lesson-static-list {display:flex;flex-direction:column;}
.course-lesson-static {border-bottom:1px solid #e8edf3;display:flex;gap:12px;align-items:center;padding:13px 0;}
.course-lesson-static strong {font-size:14px;min-width:0;overflow-wrap:anywhere;flex:1;}
.course-lesson-lock {font-size:12px;white-space:nowrap;color:#61748d;}
@media(max-width:860px){.course-lesson-layout{grid-template-columns:1fr;}.course-lesson-list{max-height:290px;}.course-section-nav{gap:3px;}.lecture-file-actions{width:100%;}}

/* Course builder pricing, logo asset and responsive layouts: desktop / iPad / mobile. */
.brand-mark img {width:30px;height:32px;display:block;object-fit:contain;}
.brand-mark {flex:0 0 auto;overflow:hidden;}
.lecture-price-grid {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:850px;align-items:start;}
.lecture-price-grid .input-group {max-width:100%;}
.lecture-price-grid label {display:block;}
.course-price-line {display:block;white-space:nowrap;line-height:1.65;font-weight:650;font-size:13px;}
.course-price-hint {display:block;margin-top:5px;color:#748399;font-size:11px;}
.lecture-file-name small {line-height:1.8;}
.lecture-shell,.lecture-toolbar,.lecture-panel,.course-lesson-layout {min-width:0;}
.lecture-shell {overflow-wrap:anywhere;}
@media (max-width:1060px) {
  .topbar {position:sticky;}
  .header-links {display:none;}
  .mobile-navigation {display:block;margin-left:auto;flex-shrink:0;}
  .mobile-navigation summary {list-style:none;cursor:pointer;font-size:13px;font-weight:750;padding:11px 15px;border:1px solid var(--line);border-radius:8px;min-height:44px;}
  .mobile-navigation summary::-webkit-details-marker {display:none;}
  .mobile-navigation-panel {position:absolute;right:10px;top:calc(100% - 1px);width:min(360px,calc(100vw - 20px));max-height:min(78vh,750px);overflow-y:auto;color:#fff;background:var(--navy);box-shadow:0 20px 34px #06142b55;padding:18px 14px;z-index:30;border-radius:0 0 13px 13px;}
  .mobile-navigation-panel .nav-link {min-height:42px;}
  .sidebar {display:none;}
  .app-frame {display:block;min-height:calc(100vh - 80px);}
  .course-section-nav {gap:5px;}
  .main-content {padding:24px clamp(18px,3.5vw,32px) 55px;}
}
@media (max-width:760px) {
  .brand-mark img {width:27px;height:29px;}
  .main-content {padding:18px clamp(15px,4vw,28px) 48px;}
  .lecture-toolbar {flex-direction:column;align-items:flex-start;gap:14px;}
  .lecture-price-grid {grid-template-columns:1fr;gap:14px;}
  .lecture-editor {padding:20px 16px;}
  .lecture-panel .table {min-width:630px;}
  .lecture-file-actions {width:100%;}
  .course-section-nav a {font-size:12px;line-height:1.5;min-height:38px;display:inline-flex;align-items:center;}
  .course-lesson-layout {grid-template-columns:1fr;}
  .course-lesson-list {max-height:260px;}
}
@media (max-width:390px) {
  .brand-copy small {font-size:8px;}
  .brand-copy strong {font-size:11px;}
  .topbar {gap:8px;padding-inline:11px;}
  .lecture-rename-form input {max-width:calc(100vw - 85px);}
  .lecture-playback-controls {align-items:stretch;}
}

/* Course archival history and two-step media removal */
.lecture-file-inactive { opacity: .72; background: rgba(120,120,120,.045); }
.lecture-file-inactive .lecture-file-name strong { color: var(--bs-secondary-color, #6c757d); }
.lecture-remove-form { display:flex; align-items:center; gap:.5rem; flex-wrap:wrap; }
.lecture-remove-label { display:inline-flex; align-items:center; gap:.35rem; cursor:pointer; font-size:.86rem; padding:.3rem .15rem; margin:0; }
.lecture-remove-label input { width:1rem; height:1rem; }
@media (max-width: 767.98px) {
  .lecture-remove-form { width:100%; justify-content:flex-start; }
  .lecture-file-inactive { align-items:flex-start; }
}

/* Archive records are accessed through a discreet course-specific link, never inline. */
.course-history-link-bar {display:flex;justify-content:flex-end;margin:18px 2px 0;padding:4px 2px;}
.course-history-link {font-size:12px;color:#61738b;text-decoration:underline;text-underline-offset:3px;line-height:1.7;}
.course-history-link:hover,.course-history-link:focus-visible {color:#1c4c78;}
@media(max-width:575px){.course-history-link-bar{padding:8px 0;}.course-history-link{padding:8px;}}


/* Compact staff navigation and accessible password member search. */
.area-admin .header-links { gap: clamp(9px, 1.15vw, 18px); }
.member-search-feedback { min-height: 1.2rem; font-size: .82rem; color: #5b6c82; margin-top: .4rem; }
.member-search-results { list-style: none; padding: .35rem; margin: .35rem 0 0; border: 1px solid #d5dfeb; border-radius: .6rem; background: #fff; max-height: 260px; overflow-y: auto; box-shadow: 0 8px 22px #14243914; }
.member-search-results[hidden] { display: none; }
.member-search-results li + li { border-top: 1px solid #edf1f6; }
.member-search-choice { appearance: none; display: block; width: 100%; border: 0; background: transparent; color: #233c5e; padding: 11px 12px; text-align: left; font-size: 13px; overflow-wrap: anywhere; border-radius: 5px; cursor: pointer; }
.member-search-choice:hover, .member-search-choice:focus-visible { background: #ebf4ff; }
@media (max-width: 760px) {
  .member-search-choice { min-height: 44px; }
}
/* Shared certificate: one background image, dynamic student/course data, print as landscape. */
.certificate-page{background:#eef1f5;margin:0;padding:20px;color:#102944;font-family:Georgia,'Times New Roman',serif}
.certificate-actions{max-width:1100px;margin:0 auto 12px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-family:system-ui,sans-serif;font-size:14px}
.certificate-actions button{padding:9px 16px;color:white;background:#173752;border:0;border-radius:7px;cursor:pointer}
.certificate-actions span{color:#5e6878}
.certificate-sheet{width:min(100%,1100px);aspect-ratio:297/210;margin:0 auto;position:relative;background:white;box-shadow:0 6px 26px #0002;overflow:hidden}
.certificate-art{position:absolute;width:100%;height:100%;object-fit:fill;inset:0}
.certificate-contents{position:absolute;inset:0;text-align:center;padding:10% 12% 10%;display:flex;flex-direction:column;align-items:center;z-index:1}
.certificate-title{font-size:clamp(16px,3vw,36px);font-weight:700;letter-spacing:.045em;margin-bottom:4%}
.certificate-lead{font-size:clamp(10px,1.5vw,19px);margin-bottom:3%}
.certificate-student{font-size:clamp(18px,3.2vw,41px);font-weight:700;max-width:90%;overflow-wrap:anywhere;margin-bottom:2%}
.certificate-complete-text{font-size:clamp(10px,1.4vw,17px);margin-bottom:2%}
.certificate-course{font-size:clamp(17px,2.3vw,29px);font-weight:700;max-width:90%;overflow-wrap:anywhere;margin-bottom:3%}
.certificate-runtime,.certificate-date{font-size:clamp(10px,1.4vw,17px);margin-bottom:1%}
.certificate-signature{position:absolute;bottom:10%;left:9%;max-width:36%;font-size:clamp(9px,1.05vw,14px);line-height:1.5}
.certificate-script{font-family:'Segoe Script','Brush Script MT','Lucida Handwriting',cursive;font-size:clamp(13px,2.1vw,27px);font-style:italic;line-height:1.25;border-bottom:1px solid #bd9d60;padding-bottom:5px;overflow-wrap:anywhere}
.certificate-signature-name{font-weight:bold;margin-top:5px;overflow-wrap:anywhere}
.certificate-draft{position:absolute;top:48%;left:50%;transform:translate(-50%,-50%) rotate(-23deg);font:bold clamp(22px,6vw,82px) system-ui,sans-serif;white-space:nowrap;color:#b9965855;pointer-events:none;z-index:2}
@media(max-width:700px){.certificate-page{padding:8px}.certificate-contents{padding-top:9%}.certificate-title{margin-bottom:3%}.certificate-student{margin-bottom:2%}.certificate-signature{bottom:8%}}
@page{size:A4 landscape;margin:0}
@media print{html,body.certificate-page{width:297mm;height:210mm;margin:0;padding:0;background:white!important}.certificate-actions{display:none!important}.certificate-sheet{width:297mm;height:210mm;margin:0;max-width:none;box-shadow:none;break-after:avoid;page-break-after:avoid}.certificate-contents{padding-top:10%}.certificate-art{display:block!important}*{-webkit-print-color-adjust:exact;print-color-adjust:exact}}

/* Consistent Skypine brand mark on certificate: same SVG and navy box as site header. */
.certificate-brand{position:absolute;right:9%;bottom:9%;display:flex;align-items:center;gap:11px;z-index:2;max-width:34%;}
.certificate-brand .brand-mark{width:clamp(34px,5.8vw,67px);height:clamp(34px,5.8vw,67px);border-radius:10px;background:var(--navy,#102944);display:grid;place-items:center;flex-shrink:0;}
.certificate-brand .brand-mark img{width:71%;height:79%;display:block;object-fit:contain;}
.certificate-brand .brand-copy{display:flex;flex-direction:column;gap:5px;letter-spacing:.08em;text-align:left;min-width:0;}
.certificate-brand .brand-copy strong{color:#102944;font-weight:800;font-size:clamp(10px,1.9vw,23px);line-height:1;}
.certificate-brand .brand-copy small{color:#53677a;letter-spacing:.03em;font-weight:600;font-size:clamp(7px,.85vw,11px);}
@media(max-width:700px){.certificate-brand{gap:6px;right:7%;bottom:7%;}.certificate-brand .brand-mark{border-radius:5px;}}
@media print{.certificate-brand{right:9%;bottom:9%;gap:11px;}.certificate-brand .brand-mark{width:67px;height:67px;border-radius:10px;}.certificate-brand .brand-copy strong{font-size:23px;}.certificate-brand .brand-copy small{font-size:11px;}}

/* Same site logo in the admin certificate background preview. */
.certificate-settings-preview{position:relative;width:min(100%,480px);aspect-ratio:297/210;overflow:hidden;border:1px solid #ddd;border-radius:8px;background:#fffdf8;}
.certificate-settings-preview>img{display:block;width:100%;height:100%;object-fit:fill;}
.certificate-settings-preview .certificate-brand{position:absolute;right:9%;bottom:9%;max-width:34%;gap:5px;}
.certificate-settings-preview .certificate-brand .brand-mark{width:30px;height:30px;border-radius:5px;}
.certificate-settings-preview .certificate-brand .brand-copy strong{font-size:11px;}
.certificate-settings-preview .certificate-brand .brand-copy small{font-size:6px;}

/* Public DB-backed catalog; optional description/audience blocks are omitted when empty. */
.public-course-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr)); gap:22px; }
.public-course-card { min-width:0; }
.public-course-card .course-card-content { padding:27px; }
.public-course-title { color:#193050; text-decoration:none; }
.public-course-title:hover { color:#125a91; text-decoration:underline; }
.public-course-card .public-course-description,
.public-course-card .public-course-audience { white-space:normal; overflow-wrap:anywhere; min-height:0; font-size:14px; line-height:1.7; margin:13px 0; color:#55667d; }
.public-course-card .public-course-audience { background:#f3f7fb; border-radius:9px; padding:10px 12px; }
.public-course-detail { max-width:980px; margin:8px auto 70px; border:1px solid #dce5ef; background:#fff; border-radius:16px; padding:clamp(22px,5vw,55px); }
.public-course-detail h1 { overflow-wrap:anywhere; font-size:clamp(29px,4vw,46px); color:#1b3553; margin:12px 0 28px; }
.public-course-info { padding:18px 0; border-top:1px solid #e2e8f0; }
.public-course-info h2 { font-size:19px; margin:0 0 10px; }
.public-course-info p { font-size:15px; line-height:1.8; overflow-wrap:anywhere; }
@media (max-width:700px) { .public-course-card .course-card-content {padding:19px;} .public-course-detail {padding:20px;} }

/* Scheduled maintenance notifications, responsive on desktop/tablet/mobile. */
.lms-maintenance-notice { position:sticky;top:0;z-index:1090;background:#e9f0ff;color:#162d4d;border-bottom:1px solid #96acd0;padding:12px clamp(12px,3vw,40px);font-size:.92rem;line-height:1.45;text-align:center;font-weight:600 }
.lms-maintenance-notice.lms-maintenance-urgent {background:#fff0d9;color:#743c00;border-color:#debb7f}
@media(max-width:768px){.lms-maintenance-notice{font-size:.84rem;padding:10px 14px}}

/* Keyboard-accessible hover navigation for Settings on desktop; native links work on mobile. */
.nav-settings{position:relative;display:inline-flex;align-items:center}.nav-settings-toggle{display:inline-flex;align-items:center;height:100%;color:inherit;text-decoration:none;white-space:nowrap}.nav-settings-menu{display:none;position:absolute;top:calc(100% - 1px);left:-12px;min-width:205px;z-index:1200;padding:9px;background:#162d45;border:1px solid rgba(255,255,255,.18);border-radius:12px;box-shadow:0 14px 30px rgba(0,0,0,.2)}.nav-settings:hover .nav-settings-menu,.nav-settings:focus-within .nav-settings-menu{display:grid;gap:3px}.nav-settings-menu a{display:block!important;color:#fff!important;text-decoration:none;padding:10px 13px;border-radius:8px;white-space:nowrap}.nav-settings-menu a:hover,.nav-settings-menu a:focus{background:rgba(255,255,255,.15)}@media(max-width:800px){.nav-settings{width:100%}.nav-settings-menu{left:0;top:100%}}

.account-container .login-form{display:grid;gap:12px}.account-container .panel{max-width:100%}.account-container textarea.form-control{resize:vertical}

.sidebar-settings{position:relative}.sidebar-settings-menu{display:none;padding:6px 0 8px 25px}.sidebar-settings:hover .sidebar-settings-menu,.sidebar-settings:focus-within .sidebar-settings-menu{display:grid;gap:2px}.sidebar-settings-menu a{display:block;padding:8px 11px;border-radius:6px;color:inherit;text-decoration:none;font-size:.88rem}.sidebar-settings-menu a:hover,.sidebar-settings-menu a:focus{background:rgba(74,111,150,.14)}


/* 2026-10-21 public home/catalog refresh */
.topbar-signup { display:inline-flex; align-items:center; justify-content:center; padding:10px 16px; border-radius:999px; background:#e8f2ff; color:#15304f; font-weight:700; border:1px solid #bfd3ea; }
.topbar-signup:hover { background:#dcebff; color:#10233f; }
.promo-hero { display:grid; grid-template-columns: minmax(0, 1fr) minmax(380px, 640px); gap: clamp(22px, 3.6vw, 44px); align-items:center; background: linear-gradient(135deg, #10233f 0%, #183256 55%, #24507c 100%); border-radius: 28px; padding: clamp(24px, 4vw, 44px); color:#fff; box-shadow: 0 18px 42px rgba(16,35,63,.18); overflow:hidden; }
.promo-hero-copy h1 { font-size: clamp(2.2rem, 4.8vw, 4.1rem); line-height: 1.04; letter-spacing: -.04em; margin: 14px 0 18px; color:#fff; }
.promo-hero-copy p { font-size: 1.05rem; line-height: 1.8; color: rgba(255,255,255,.9); max-width: 620px; }
.promo-hero-actions { display:flex; flex-wrap:wrap; gap: 12px; margin-top: 24px; }
.promo-hero-points { display:flex; flex-wrap:wrap; gap: 12px; margin-top: 22px; }
.promo-hero-points span { display:inline-flex; align-items:center; gap:8px; border-radius:999px; background: rgba(255,255,255,.12); color:#fff; padding:10px 14px; font-size:.92rem; }
.promo-hero-points span::before { content:'•'; color:#d6f3ae; font-weight:800; }
.promo-hero-media { display:flex; justify-content:center; }
.promo-hero-media img { width:100%; max-width: 100%; border-radius: 24px; object-fit:cover; min-height: 320px; box-shadow: 0 18px 40px rgba(4,17,34,.28); }
.promo-strip { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 24px; }
.promo-strip-card { background:#fff; border:1px solid var(--line); border-radius:18px; padding: 24px; box-shadow: 0 8px 20px rgba(16,35,63,.06); }
.promo-strip-card strong { display:block; margin-bottom:10px; color:#10233f; font-size:1.02rem; }
.promo-strip-card p { margin:0; color:#5d6b7d; line-height:1.7; }
.promo-catalog-intro { background: linear-gradient(180deg, #f4f8fd 0%, #edf3f9 100%); }
.promo-info-panel { padding: 26px; }
.empty-catalog-callout { margin-top: 28px; }
@media (max-width: 1060px) {
  .promo-hero { grid-template-columns: 1fr; }
  .promo-strip { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .topbar-signup { display:none; }
  .promo-hero { padding: 24px 18px; border-radius: 22px; }
  .promo-hero-copy h1 { font-size: clamp(2rem, 10vw, 2.8rem); }
  .promo-hero-media img { min-height: 220px; }
}

/* Public landing-page polish: coherent primary CTA, accessible mobile layout. */
.area-public .public-content { max-width: 1420px; padding-top: clamp(22px, 3.7vw, 52px); }
.area-public .brand-copy strong { letter-spacing: .15em; }
.area-public .guest-kicker { color: #d6f3ae; }
.promo-hero {
  grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr);
  gap: clamp(22px, 3vw, 52px);
  border-radius: 24px;
  background: linear-gradient(118deg, #112844 0%, #14395a 58%, #205777 100%);
}
.promo-hero-copy h1 { font-weight: 750; max-width: 610px; font-size: clamp(2.25rem, 4.5vw, 4.65rem); }
.promo-hero-copy h1 em { color: #d6f3ae; font-style: normal; }
.promo-hero-copy p { font-size: clamp(.96rem, 1.2vw, 1.1rem); line-height: 1.76; }
.promo-hero-copy .promo-microcopy { color: rgba(255,255,255,.75); font-size: .82rem; margin: 16px 0 0; }
.promo-hero-actions { gap: 12px; margin-top: 28px; }
.promo-hero-actions .btn { min-height: 49px; justify-content: center; font-size: .93rem; gap: 16px; padding: 13px 19px; }
.promo-hero-actions .promo-cta-primary { background: #d6f3ae; color: #122c47; border: 1px solid #d6f3ae; }
.promo-hero-actions .promo-cta-primary:hover { background: #edfbd9; color: #122c47; }
.promo-hero-actions .promo-cta-secondary { border-color: rgba(255,255,255,.6); color: #fff; background: transparent; }
.promo-hero-actions .promo-cta-secondary:hover { border-color: #fff; background: rgba(255,255,255,.11); color: #fff; }
.promo-hero-media { position: relative; min-width: 0; align-self: stretch; align-items: stretch; }
.promo-hero-media img { display: block; width: 100%; height: 100%; max-height: 560px; min-height: 370px; object-fit: cover; object-position: 45% 50%; aspect-ratio: 1.15 / 1; border-radius: 18px; }
.promo-photo-label { position:absolute; bottom: 18px; left: 18px; right: 18px; width: fit-content; max-width:calc(100% - 36px); background:rgba(15,34,55,.84); color:#fff; border:1px solid rgba(255,255,255,.28); border-radius:999px; padding: 10px 14px; font-size:.79rem; font-weight:650; backdrop-filter:blur(7px); }
.promo-steps { margin-top: clamp(40px, 5vw, 70px); }
.promo-section-heading { margin-bottom: 22px; }
.promo-section-heading h2 { color: #152d49; font-size: clamp(1.65rem, 3.1vw, 2.45rem); font-weight:760; letter-spacing:-.038em; margin: 10px 0 8px; }
.promo-section-heading p { margin:0; color:#66778d; line-height:1.65; }
.promo-strip { gap:18px; }
.promo-strip-card { position:relative; padding:28px; border-radius:16px; border-color:#e0e8f0; }
.promo-step-number { display:inline-flex; align-items:center; justify-content:center; width:40px; height:40px; background:#ecf5e5; color:#20445f; border-radius:11px; font-size:.9rem; font-weight:850; margin-bottom:13px; }
.promo-strip-card h3 { font-size:1.13rem; font-weight:750; color:#152d49; margin:0 0 8px; }
.promo-strip-card p { font-size:.92rem; }
.promo-catalog-cta { display:flex; align-items:center; justify-content:space-between; gap:24px; border:1px solid #dce8f3; border-radius:17px; padding:30px 32px; background:#fff; }
.promo-catalog-cta h2 { font-size:clamp(1.5rem,2.7vw,2rem); font-weight:760; color:#18324f; margin:9px 0 7px; }
.promo-catalog-cta p { color:#64758b; margin:0; line-height:1.7; }
.promo-catalog-cta .btn { white-space:nowrap; }
.promo-bottom-cta { display:flex; justify-content:space-between; gap:25px; align-items:center; padding:31px 35px; margin-top:clamp(32px,5vw,65px); border-radius:19px; color:#fff; background:#153452; }
.promo-bottom-cta strong { font-size:1.3rem; }
.promo-bottom-cta p { margin:7px 0 0; font-size:.92rem; color:#d8e4ee; line-height:1.6; }
.promo-bottom-actions { display:flex; flex-wrap:wrap; gap:11px; }
.promo-bottom-actions .btn { min-width:105px; justify-content:center; }
.promo-bottom-actions .btn-light { background:#d6f3ae; color:#143149; }
.promo-bottom-actions .btn-outline-light { border-color:rgba(255,255,255,.6); background:transparent; color:white; }
.promo-catalog-intro { border-radius:20px; padding:clamp(28px,4vw,58px); }
.promo-catalog-intro h1 { color:#17324f; font-size:clamp(2rem,4vw,3.1rem); letter-spacing:-.04em; }
.promo-catalog-intro p { color:#63768b; font-size:1rem; max-width:580px; }
.promo-catalog-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:23px; }
.promo-catalog-actions .btn { justify-content:center; gap:14px; }
.promo-catalog-empty { display:flex; gap:20px; align-items:flex-start; background:white; border:1px solid #e0e8ef; border-radius:15px; padding:27px; margin-top:19px; }
.promo-catalog-empty h2 { font-size:1.3rem; font-weight:750; color:#17314e; margin:3px 0 9px; }
.promo-catalog-empty p { color:#65768a; line-height:1.65; margin:0 0 9px; }
.promo-catalog-empty a { color:#205b92; font-weight:700; }
.area-public .mobile-navigation .nav-help { display:none; }
@media (max-width:1100px) {
  .promo-hero { grid-template-columns:1fr; }
  .promo-hero-media img { min-height:300px; max-height:430px; aspect-ratio:16/9; object-position:45% 50%; }
  .promo-strip { grid-template-columns:repeat(3,minmax(0,1fr)); }
}
@media (max-width:790px) {
  .promo-strip { grid-template-columns:1fr; }
  .promo-catalog-cta, .promo-bottom-cta { flex-direction:column; align-items:flex-start; }
}
@media (max-width:760px) {
  .area-public .public-content { padding:23px 16px 54px; }
  .promo-hero { padding:25px 19px; border-radius:17px; }
  .promo-hero-copy h1 { font-size:clamp(2.05rem,10vw,3rem); }
  .promo-hero-copy p { font-size:.94rem; }
  .promo-hero-actions { display:grid; grid-template-columns:1fr; }
  .promo-hero-actions .btn { width:100%; }
  .promo-hero-media img { min-height:230px; max-height:320px; }
  .promo-photo-label { font-size:.71rem; bottom:10px; left:10px; right:10px; max-width:calc(100% - 20px); }
  .promo-strip-card { padding:23px; }
  .promo-catalog-cta, .promo-bottom-cta { padding:22px; }
  .promo-catalog-empty { padding:20px; }
  .promo-catalog-actions { flex-direction:column; }
  .promo-catalog-actions .btn { width:100%; }
}


/* Compact, distinctly separated settings navigation and forms. */
.area-admin .side-nav { gap: 9px; }
.area-admin .side-nav > .nav-group + .nav-group { border-top: 1px solid #43536b; padding-top: 9px; }
.area-admin .side-nav .nav-heading { padding-bottom: 4px; }
.area-admin .side-nav .nav-link { padding: 7px 10px; line-height: 1.25; }
.area-admin .sidebar-settings-menu { padding: 4px 0 5px 16px; gap: 0; }
.area-admin .sidebar-settings-menu a { padding: 6px 10px; font-size: 12px; }
.area-admin .sidebar-settings-menu .settings-menu-divider { border-top: 1px solid #556781; margin-top: 4px; padding-top: 9px; }
.area-admin .nav-settings-menu { min-width: 180px; padding: 5px; border-radius: 8px; }
.area-admin .nav-settings-menu a { padding: 7px 10px; border-radius: 5px; }
.area-admin .nav-settings-menu .settings-menu-divider { border-top: 1px solid rgba(255,255,255,.32); margin-top: 3px; padding-top: 9px; border-radius: 0; }
.area-admin .admin-settings-page .course-section-nav,
.area-admin .maintenance-settings-page .course-section-nav { margin-bottom: 12px; padding: 6px 9px; border-bottom: 2px solid #a7b8cb; }
.area-admin .admin-settings-page .course-section-nav a,
.area-admin .maintenance-settings-page .course-section-nav a { padding: 5px 9px; }
.area-admin .admin-settings-page .lecture-toolbar { margin-bottom: 9px; }
.area-admin .admin-settings-page .lecture-toolbar h1 { font-size: clamp(26px,2.5vw,34px); margin: 2px 0 4px; }
.area-admin .admin-settings-page .lecture-toolbar p { line-height: 1.35; }
.area-admin .admin-settings-page .settings-section-jump { display:flex; gap:6px; flex-wrap:wrap; border-bottom:2px solid #b6c6d9; margin: 5px 0 13px; padding: 0 0 9px; }
.area-admin .admin-settings-page .settings-section-jump a { padding:4px 11px; background:#eff4f9; border:1px solid #cad7e6; border-radius:6px; color:#234a72; font-size:12px; font-weight:650; text-decoration:none; }
.area-admin .admin-settings-page .settings-section-jump a:hover,
.area-admin .admin-settings-page .settings-section-jump a:focus { background:#dcebf9; }
.area-admin .admin-settings-page .lecture-editor { padding: 14px clamp(15px,1.7vw,24px); }
.area-admin .admin-settings-page .lecture-panel { border:1px solid #c6d4e4; border-top:3px solid #496d94; border-radius:9px; box-shadow:0 3px 9px #1f31500b; }
.area-admin .admin-settings-page .lecture-panel.mt-4 { margin-top: 12px !important; }
.area-admin .admin-settings-page .lecture-editor h2 { font-size:17px; margin:0 0 7px; padding-bottom:7px; border-bottom:2px solid #d5dfe9; }
.area-admin .admin-settings-page .lecture-editor h3 { font-size:15px; margin-bottom:6px; }
.area-admin .admin-settings-page .lecture-editor .settings-subheading { padding-top:9px; border-top:2px solid #cfdae7; margin-top:15px!important; }
.area-admin .admin-settings-page .lecture-editor p { line-height:1.4; margin-bottom:7px; font-size:12px; }
.area-admin .admin-settings-page .lecture-editor .row.g-3 { --bs-gutter-y: .65rem; --bs-gutter-x: .85rem; }
.area-admin .admin-settings-page .lecture-editor .form-label { margin-bottom:3px; font-size:12px; }
.area-admin .admin-settings-page .lecture-editor .form-control,
.area-admin .admin-settings-page .lecture-editor .form-select { padding:5px 9px; min-height:35px; font-size:13px; }
.area-admin .admin-settings-page .lecture-editor .form-text { font-size:11px; margin:5px 0 7px; line-height:1.4; }
.area-admin .admin-settings-page .lecture-editor .mt-4 { margin-top:14px!important; }
.area-admin .admin-settings-page .lecture-editor .mt-3 { margin-top:10px!important; }
.area-admin .admin-settings-page .lecture-editor .settings-subsection { border-top:2px solid #d1dce8; padding-top:12px!important; }
.area-admin .admin-settings-page .lecture-editor .btn { padding:6px 12px; gap:8px; font-size:12px; }
.area-admin .admin-settings-page .certificate-settings-preview { width:min(100%,300px); }
.area-admin .admin-settings-page #registration-status ul { padding-left:20px; margin-bottom:6px!important; }
.area-admin .admin-settings-page #registration-status li { margin:2px 0; font-size:12px; line-height:1.35; }
.area-admin .maintenance-settings-page { max-width:980px; }
.area-admin .maintenance-settings-page .settings-page-heading h1 { font-size:clamp(24px,2.4vw,33px); margin:0 0 4px; }
.area-admin .maintenance-settings-page .settings-page-heading p { margin:0 0 12px; font-size:12px; }
.area-admin .maintenance-control-panel { border:1px solid #b9cadb; border-top:3px solid #456a92; border-radius:9px; padding:16px 20px; }
.area-admin .maintenance-mode-row { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; padding-bottom:13px; border-bottom:2px solid #d0dbe7; }
.area-admin .maintenance-mode-row h2 { font-size:17px; margin:0 0 3px; }
.area-admin .maintenance-switch-control { display:flex; gap:10px; align-items:center; white-space:nowrap; }
.area-admin .maintenance-switch-control .form-check { margin:0; padding-left:2.75em; min-height:25px; }
.area-admin .maintenance-switch-control .form-check-input { width:2.4em; height:1.35em; cursor:pointer; margin-top:0; border:2px solid #627790; }
.area-admin .maintenance-switch-control .form-check-input:checked { background-color:#ac4929; border-color:#ac4929; }
.area-admin .maintenance-credentials { display:flex; flex-wrap:wrap; gap:8px 12px; align-items:end; margin-top:12px; }
.area-admin .maintenance-credentials label { flex-basis:100%; font-size:12px; }
.area-admin .maintenance-credentials .form-control { max-width:310px; min-width:180px; flex:1; min-height:36px; }
.area-admin .maintenance-control-panel .btn { padding:8px 12px; font-size:12px; }
.area-admin .maintenance-schedule-details { border-top:2px solid #d0dbe7; padding-top:11px; margin-top:14px; }
.area-admin .maintenance-schedule-details summary { cursor:pointer; font-size:13px; font-weight:700; color:#234a72; }
.area-admin .maintenance-schedule-fields { display:grid; grid-template-columns:minmax(210px,1fr) minmax(130px,180px) auto; align-items:end; gap:12px; }
.area-admin .maintenance-schedule-fields .form-control { min-height:36px; }
@media(max-width:700px) {
  .area-admin .maintenance-control-panel { padding:14px; }
  .area-admin .maintenance-schedule-fields { grid-template-columns:1fr; }
  .area-admin .maintenance-credentials .form-control { max-width:100%; width:100%; }
}

/* Login & security: explicit responsive form layout. */
.security-page {max-width:1200px;margin-inline:auto;}
.security-page .row {display:flex;flex-wrap:wrap;gap:14px;margin:0;}
.security-page .row > div {flex:1 1 240px;min-width:0;padding:0;}
.security-page .form-control {display:block;width:100%;box-sizing:border-box;}
.security-page .form-check {display:flex;align-items:center;gap:9px;padding-left:0;margin:12px 0;}
.security-page .form-check-input {position:static;float:none;margin:0;flex:0 0 16px;}
.security-page fieldset {min-width:0;border:0;padding:0;margin:0;}
.security-page .lecture-panel {margin-bottom:18px;background:#fff;}
.security-page .btn {white-space:normal;min-height:38px;}
.security-page details {overflow-wrap:anywhere;}
@media(max-width:600px){.security-page .row > div {flex-basis:100%;width:100%;}}

/* Student classroom: one wide player, titles above and full-width lesson rows. */
.learning-room{width:100%;max-width:1150px;margin:0 auto}.learning-heading h1{font-size:clamp(25px,3vw,38px);line-height:1.25;margin:8px 0 14px;overflow-wrap:break-word}.learning-access{display:inline-block;background:#e6f2ed;color:#17573f;border:1px solid #a8d3bf;border-radius:8px;padding:12px 18px;font-size:16px;margin-bottom:12px}.learning-stage{background:#fff;border:1px solid #d4dfeb;border-radius:14px;padding:24px;margin:18px 0 26px}.learning-stage h2{font-size:22px;line-height:1.4;margin:0 0 18px}.learning-stage video{display:block;width:100%;max-height:68vh;aspect-ratio:16/9;background:#101b29;border-radius:8px;object-fit:contain}.learning-stage audio{width:100%;margin:24px 0}.learning-stage [hidden]{display:none!important}.learning-controls{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px}.learning-controls button{border:1px solid #b8c9dc;border-radius:7px;padding:9px 14px;background:#edf3f9;color:#244e77}.learning-controls span{font-size:13px;color:#53677d}.learning-outline h2{font-size:22px}.learning-lesson{display:flex;align-items:center;gap:16px;width:100%;text-align:left;background:white;border:1px solid #d5dfeb;border-radius:10px;padding:18px;margin:10px 0;color:#20374d}.learning-number{flex:0 0 36px;font-size:19px;color:#64798e}.learning-lesson-copy{flex:1;min-width:0}.learning-lesson-copy strong{display:block;font-size:16px;line-height:1.45;word-break:normal;overflow-wrap:break-word}.lesson-state{display:block;font-size:13px;margin-top:7px;color:#5c7083}.lesson-indicator{flex:0 0 auto;font-size:12px}.learning-lesson.is-current{border:2px solid #2a668f;background:#eef6fc}.learning-lesson:disabled{background:#f2f4f6;color:#6b7883}.learning-controls button:disabled{opacity:.45}.learning-lesson:focus-visible{outline:3px solid #74a5d1;outline-offset:2px}@media(max-width:650px){.learning-stage{padding:14px}.learning-controls{flex-wrap:wrap}.learning-controls span{order:3;width:100%}.learning-lesson{padding:14px;gap:10px}.lesson-indicator{display:none}}

.payment-summary{display:flex;gap:14px;flex-wrap:wrap}.payment-summary>div{min-width:180px}.payment-details{display:grid;grid-template-columns:minmax(120px,200px) 1fr;gap:12px 20px}.payment-details dd{margin:0;overflow-wrap:anywhere}

/* Optional per-course square image, small next to course copy on every device. */
.course-thumbnail{display:block;flex:0 0 auto;object-fit:cover;aspect-ratio:1 / 1;width:80px;height:80px;border-radius:11px;border:1px solid #dce5ef;background:#f3f7fb;}
.public-course-heading,.public-course-detail-heading,.course-admin-title-row,.course-image-editor{display:flex;align-items:flex-start;gap:16px;min-width:0;}
.public-course-heading>div,.public-course-detail-heading>h1,.course-admin-title-row>div,.course-image-controls{min-width:0;flex:1;}
.public-course-heading h3{margin:7px 0 0;overflow-wrap:anywhere;}
.public-course-detail-heading{align-items:center;margin:10px 0 25px;}
.public-course-detail-heading h1{margin:0;}
.course-thumbnail-detail{width:96px;height:96px;border-radius:14px;}
.course-thumbnail-admin{width:50px;height:50px;border-radius:8px;}
.course-thumbnail-preview,.course-thumbnail-placeholder{width:100px;height:100px;border-radius:13px;}
.course-thumbnail-placeholder{display:grid;place-items:center;border:1px dashed #a9b8c8;background:#f3f7fb;color:#667d97;font-size:13px;flex-shrink:0;}
.course-image-editor{align-items:flex-start;max-width:630px;gap:18px;}
@media(max-width:600px){.course-thumbnail{width:64px;height:64px;border-radius:9px;}.course-thumbnail-detail{width:76px;height:76px;}.course-thumbnail-admin{width:46px;height:46px;}.course-thumbnail-preview,.course-thumbnail-placeholder{width:88px;height:88px;}.public-course-heading,.public-course-detail-heading,.course-admin-title-row,.course-image-editor{gap:12px;}}

/* Staff-only, pre-password login challenge dialog. */
.admin-login-dialog{width:min(95vw,440px);max-width:440px;margin:auto;padding:24px;border:1px solid #b7c8d8;border-radius:14px;box-shadow:0 16px 60px rgba(16,34,57,.27);background:#fff;color:#24384f;}
.admin-login-dialog::backdrop{background:rgba(14,27,44,.56);}
.admin-login-dialog h3{font-size:21px;margin:0 0 12px;}
.admin-login-dialog p{margin-bottom:16px;}
.admin-login-dialog label{display:block;font-weight:600;margin-bottom:7px;}
.admin-login-dialog .form-control{width:100%;margin-bottom:10px;}
.admin-login-dialog-error{color:#a52f29;font-size:13px;margin:4px 0 12px!important;}
.admin-login-dialog-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px;margin-top:18px;}

/* Consistent titles throughout the admin workspace, including nested editor views. */
body.area-admin .main-content h1 {font-size:clamp(1.7rem,2.8vw,2.12rem) !important;line-height:1.2 !important;letter-spacing:-.035em !important;font-weight:750 !important;color:#192c47 !important;margin:8px 0 14px !important;}
body.area-admin .main-content h2 {line-height:1.3;}

/* Skypine course PDF handouts and named student viewing watermark, v32. */
.learning-materials{border:1px solid #cbdceb;border-left:5px solid #246b91;background:#f4f9fd;border-radius:10px;padding:18px 22px;margin:20px 0 24px}
.learning-materials h2{font-size:21px;margin:0 0 8px}.learning-materials p{font-size:15px;margin-bottom:12px}
.learning-material-list{padding:0;margin:0;list-style:none;display:flex;flex-wrap:wrap;gap:12px}
.learning-material-list .btn{white-space:normal;text-align:left;overflow-wrap:anywhere}
.learning-video-frame{position:relative;overflow:hidden;background:#101b29;border-radius:8px;width:100%;isolation:isolate}
.learning-video-frame[hidden]{display:none!important}
.learning-video-frame video{width:100%;max-height:68vh;aspect-ratio:16/9;object-fit:contain;margin:0 auto}
.learning-video-frame .learning-watermark{position:absolute;z-index:5;display:block;max-width:65%;pointer-events:none;user-select:none;-webkit-user-select:none;color:rgba(255,255,255,.35);font-size:14px;font-weight:600;letter-spacing:.01em;text-shadow:0 1px 2px rgba(0,0,0,.5);line-height:1.4;white-space:normal;overflow-wrap:anywhere;transition:top .5s ease,left .5s ease,right .5s ease,bottom .5s ease}
.learning-video-frame .wm-pos-0{top:12%;left:8%;right:auto;bottom:auto}
.learning-video-frame .wm-pos-1{top:19%;right:8%;left:auto;bottom:auto}
.learning-video-frame .wm-pos-2{bottom:23%;left:12%;right:auto;top:auto}
.learning-video-frame .wm-pos-3{bottom:26%;right:13%;left:auto;top:auto}
.learning-fullscreen-btn{position:absolute;z-index:7;top:10px;right:10px;background:rgba(4,18,35,.8);border:1px solid rgba(255,255,255,.4);border-radius:7px;color:#fff;font-size:12px;padding:7px 10px}
.learning-video-frame:fullscreen,.learning-video-frame.is-pseudo-fullscreen{width:100vw;height:100vh;height:100dvh;max-height:none;display:flex;align-items:center;justify-content:center;background:#000;border-radius:0}
.learning-video-frame:fullscreen video,.learning-video-frame.is-pseudo-fullscreen video{width:100%;height:100%;max-height:100dvh;aspect-ratio:auto;object-fit:contain}
.learning-video-frame.is-pseudo-fullscreen{position:fixed;inset:0;z-index:99999}body.learning-fullscreen-open{overflow:hidden}
.learning-video-frame video::-webkit-media-controls-fullscreen-button{display:none}
@media(max-width:650px){.learning-video-frame .learning-watermark{font-size:12px;max-width:74%}.learning-fullscreen-btn{font-size:11px;padding:6px 9px}.learning-materials{padding:14px}}

/* Compact action rows: buttons sit side by side when space allows, wrap on small screens. */
.lms-inline-actions { display:flex; flex-flow:row wrap; align-items:center; gap:.45rem; }
.lms-inline-actions > .btn { flex:0 0 auto; margin:0; }
.lms-inline-actions .lms-inline-field { flex:1 1 145px; width:auto; min-width:135px; max-width:220px; }
@media (max-width:380px) { .lms-inline-actions .lms-inline-field { max-width:100%; } }

/* v37: PDF handouts are visually Step 0 before Lesson 1; no extra vertical button stack. */
.learning-materials-first{border-left-width:6px;background:#eff7fc;margin-top:14px}
.learning-materials-header{display:flex;align-items:flex-start;gap:14px}
.learning-material-step{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;padding:8px 10px;border-radius:8px;background:#174c70;color:#fff;font-size:14px;font-weight:750;white-space:nowrap}
.learning-materials-first .learning-material-list{display:flex;flex-flow:row wrap;align-items:center;gap:10px;margin:8px 0}
.learning-materials-first .learning-material-list li{max-width:100%;min-width:0}
.learning-materials-first .learning-material-list .btn{max-width:100%;white-space:normal;word-break:break-word}
.learning-materials-next{margin:10px 0 0!important;font-size:13px!important;color:#31536d;font-weight:600}
@media(max-width:480px){.learning-materials-header{gap:10px}.learning-material-step{padding:7px;font-size:12px}}