:root {
  --green-950: #003622;
  --green-900: #004a2f;
  --green-800: #005c3a;
  --green-700: #087148;
  --green-100: #dcece4;
  --green-50: #eef6f2;
  --yellow: #f2c400;
  --yellow-soft: #fff7d2;
  --red: #d5222a;
  --red-soft: #fff0f1;
  --ink: #17211b;
  --muted: #667169;
  --line: #dce2de;
  --canvas: #f5f7f6;
  --surface: #ffffff;
  --radius: 6px;
  --shadow: 0 6px 18px rgba(18, 57, 38, .06);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--canvas); }
body { margin: 0; color: var(--ink); background: var(--canvas); font-size: 14px; }
button, input, select, textarea { font: inherit; letter-spacing: 0; }
a { color: inherit; }
.icon { width: 20px; height: 20px; flex: none; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 250px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; z-index: 40; height: 100vh; display: flex; flex-direction: column; color: #fff; background: var(--green-900); }
.brand { height: 92px; display: grid; place-items: center; padding: 12px 18px; background: #fff; border-right: 1px solid var(--line); }
.brand img { width: 100%; height: 68px; object-fit: contain; }
.main-nav { display: grid; gap: 4px; padding: 24px 14px 12px; overflow-y: auto; }
.main-nav a { min-height: 44px; display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-left: 3px solid transparent; border-radius: 4px; color: rgba(255,255,255,.82); text-decoration: none; font-weight: 680; }
.main-nav a:hover { color: #fff; background: rgba(255,255,255,.07); }
.main-nav a.active { color: var(--yellow); background: rgba(255,255,255,.06); border-left-color: var(--yellow); }
.main-nav a b { min-width: 20px; margin-left: auto; padding: 2px 6px; border-radius: 10px; color: var(--green-950); background: var(--yellow); font-size: 10px; text-align: center; }
.nav-section { margin: 16px 11px 5px; color: rgba(255,255,255,.46); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.sidebar-profile { position: relative; margin: auto 14px 14px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.14); }
.profile-trigger { width: 100%; min-height: 50px; display: flex; align-items: center; gap: 10px; padding: 6px 8px; border: 0; border-radius: 5px; color: inherit; background: transparent; cursor: pointer; text-align: left; }
.profile-trigger:hover { background: rgba(255,255,255,.08); }
.profile-trigger > span:not(.avatar) { min-width: 0; }
.profile-trigger strong, .profile-trigger small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.profile-trigger small { margin-top: 2px; color: rgba(255,255,255,.64); font-size: 11px; }
.profile-trigger > .icon:last-child { width: 16px; margin-left: auto; transition: transform .16s ease; }
.profile-menu.open .profile-trigger > .icon:last-child { transform: rotate(90deg); }
.avatar, .avatar-image { width: 38px; height: 38px; flex: none; border-radius: 50%; }
.avatar { display: grid; place-items: center; color: var(--green-900); background: var(--green-100); }
.avatar-image { object-fit: cover; border: 2px solid #fff; background: #fff; }
.profile-dropdown { position: absolute; z-index: 80; left: 0; bottom: calc(100% + 8px); display: none; width: 300px; overflow: hidden; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 18px 38px rgba(0,35,20,.22); }
.profile-menu.open .profile-dropdown { display: block; }
.profile-dropdown.align-right { top: calc(100% + 8px); right: 0; bottom: auto; left: auto; }
.profile-summary { padding: 13px 14px; border-bottom: 1px solid var(--line); }
.profile-summary strong, .profile-summary small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.profile-summary small { margin-top: 3px; color: var(--muted); font-size: 11px; }
.profile-dropdown > a, .role-switcher button { width: 100%; min-height: 40px; display: flex; align-items: center; gap: 9px; padding: 9px 13px; border: 0; color: #324039; background: #fff; text-decoration: none; cursor: pointer; font-size: 12px; font-weight: 680; text-align: left; }
.profile-dropdown > a:hover, .role-switcher button:hover, .role-switcher button.selected { color: var(--green-900); background: var(--green-50); }
.profile-dropdown > a .icon, .role-switcher .icon { width: 17px; }
.profile-dropdown > a.danger-link { color: var(--red); border-top: 1px solid var(--line); }
.role-switcher { padding: 7px 0; border-bottom: 1px solid var(--line); }
.role-switcher > span { display: block; padding: 4px 13px 6px; color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.role-switcher form { margin: 0; }
.role-switcher button > span { min-width: 0; }
.role-switcher button strong, .role-switcher button small { display: block; }
.role-switcher button small { margin-top: 2px; color: var(--muted); font-size: 10px; font-weight: 500; line-height: 1.35; }
.role-switcher button.selected { box-shadow: inset 3px 0 0 var(--green-700); }

.app-main { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 30; min-height: 76px; display: flex; align-items: center; gap: 16px; padding: 10px clamp(18px,3vw,36px); background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); }
.topbar-title h1 { margin: 0; font-size: 20px; letter-spacing: 0; }
.menu-selection { position: absolute; left: 50%; min-height: 40px; display: inline-flex; align-items: center; gap: 9px; padding: 8px 14px; border: 1px solid #a9c8b8; border-radius: 5px; color: var(--green-900); background: #fff; text-decoration: none; font-weight: 750; transform: translateX(-50%); }
.menu-selection:hover { background: var(--green-50); }
.topbar-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.notification-link, .icon-button { position: relative; width: 40px; height: 40px; display: inline-grid; place-items: center; border: 1px solid var(--line); border-radius: 5px; color: var(--green-900); background: #fff; cursor: pointer; text-decoration: none; }
.notification-link b { position: absolute; top: -5px; right: -5px; min-width: 18px; padding: 2px 5px; border-radius: 10px; color: #fff; background: var(--red); font-size: 10px; }
.top-profile { width: auto; min-width: 180px; color: var(--ink); }
.top-profile small { color: var(--muted); }
.menu-toggle { display: none; }
.sidebar-scrim { display: none; }
.mobile-nav { display: none; }
.page-content { width: min(1500px,100%); margin: 0 auto; padding: 28px clamp(16px,3vw,36px) 54px; }

.page-heading { display: flex; align-items: end; gap: 16px; margin-bottom: 20px; }
.page-heading > div { min-width: 0; }
.page-heading h2 { margin: 0; font-size: 28px; line-height: 1.15; letter-spacing: 0; }
.page-heading p { margin: 7px 0 0; color: var(--muted); line-height: 1.5; }
.page-heading .button { margin-left: auto; }
.page-heading-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; margin-left: auto; }
.page-heading-actions .button { margin-left: 0; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.panel + .panel { margin-top: 16px; }
.panel-header { min-height: 58px; display: flex; align-items: center; gap: 14px; padding: 13px 17px; border-bottom: 1px solid var(--line); }
.panel-header h2, .panel-header h3 { margin: 0; font-size: 15px; letter-spacing: 0; }
.panel-header p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.panel-actions { display: flex; gap: 8px; margin-left: auto; }
.panel-body { padding: 17px; }

.button { min-height: 40px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 15px; border: 1px solid var(--green-800); border-radius: 5px; color: #fff; background: var(--green-800); text-decoration: none; font-weight: 750; cursor: pointer; }
.button:hover { background: var(--green-950); }
.button.secondary { color: var(--green-900); background: #fff; }
.button.secondary:hover { background: var(--green-50); }
.button.danger { border-color: var(--red); background: var(--red); }
.button.small { min-height: 32px; padding: 6px 10px; font-size: 12px; }
.button .icon { width: 17px; }

input, select, textarea { width: 100%; min-height: 40px; padding: 8px 11px; border: 1px solid #c9d2cc; border-radius: 5px; color: var(--ink); background: #fff; outline: none; }
textarea { min-height: 100px; resize: vertical; }
input[type="checkbox"], input[type="radio"] { width: auto; min-height: 0; accent-color: var(--green-700); }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { border-color: var(--green-700); outline: 3px solid rgba(8,113,72,.16); outline-offset: 1px; }
label { display: grid; gap: 6px; }
label > span, .field-label { color: #465149; font-size: 12px; font-weight: 750; }
label small { color: var(--muted); font-size: 11px; line-height: 1.4; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.form-grid .span-2 { grid-column: 1 / -1; }
.form-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 17px; padding-top: 15px; border-top: 1px solid var(--line); }
.filter-bar { display: flex; align-items: end; flex-wrap: wrap; gap: 10px; margin-bottom: 17px; padding: 13px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.filter-bar label { min-width: 180px; }
.search-control { position: relative; width: min(360px,100%); }
.search-control .icon { position: absolute; top: 11px; left: 11px; width: 18px; color: var(--muted); }
.search-control input { padding-left: 38px; }

.notice { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; padding: 12px 14px; border: 1px solid #bcdac9; border-radius: 5px; color: var(--green-950); background: var(--green-50); }
.notice.error { color: #8e1d24; border-color: #edc4c6; background: var(--red-soft); }
.notice.warning { color: #685400; border-color: #eadb8e; background: var(--yellow-soft); }
.notice .icon { width: 18px; }
.badge { min-height: 25px; display: inline-flex; align-items: center; gap: 5px; padding: 4px 8px; border-radius: 12px; color: #47534c; background: #edf1ef; font-size: 11px; font-weight: 800; white-space: nowrap; }
.badge.success { color: var(--green-900); background: var(--green-100); }
.badge.warning { color: #705a00; background: var(--yellow-soft); }
.badge.danger { color: #96232a; background: var(--red-soft); }

.dashboard-intro { margin-bottom: 20px; }
.dashboard-intro h2 { margin: 0; font-size: 30px; letter-spacing: 0; }
.dashboard-intro p { margin: 7px 0 0; color: var(--muted); }
.active-course { overflow: hidden; }
.active-course-main { display: grid; grid-template-columns: minmax(0,1fr) minmax(310px,.7fr); gap: 24px; padding: 24px; }
.course-identity { display: grid; grid-template-columns: 52px 1fr; gap: 15px; align-items: center; }
.course-symbol { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 6px; color: #fff; background: var(--green-800); }
.course-symbol .icon { width: 27px; height: 27px; }
.course-identity small, .label-upper { display: block; margin-bottom: 6px; color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.course-identity h3 { margin: 0; font-size: 20px; }
.course-identity p { margin: 5px 0 0; color: var(--muted); }
.progress-summary { padding-left: 24px; border-left: 1px solid var(--line); }
.progress-summary strong { display: block; color: var(--green-800); font-size: 38px; line-height: 1; }
.progress-track { height: 8px; margin: 10px 0 8px; overflow: hidden; border-radius: 4px; background: #e7ece9; }
.progress-track span { display: block; height: 100%; background: var(--green-800); }
.progress-summary small { color: var(--muted); }
.next-lesson { min-height: 108px; display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 20px; padding: 18px 24px; border-top: 1px solid var(--line); }
.next-lesson h4 { margin: 0 0 6px; font-size: 15px; }
.next-lesson p { margin: 0; color: var(--muted); }
.dashboard-columns { display: grid; grid-template-columns: 1fr 1fr .9fr; gap: 16px; margin-top: 16px; }
.compact-list { margin: 0; padding: 0; list-style: none; }
.compact-list li { display: flex; align-items: center; gap: 11px; min-height: 64px; padding: 10px 0; border-bottom: 1px solid #edf1ee; }
.compact-list li:last-child { border-bottom: 0; }
.compact-list .list-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; color: var(--green-800); background: var(--green-50); }
.compact-list .list-icon.warning { color: #7b6300; background: var(--yellow-soft); }
.compact-list .list-icon.danger { color: var(--red); background: var(--red-soft); }
.compact-list .list-icon .icon { width: 17px; }
.compact-list .list-copy { min-width: 0; flex: 1; }
.compact-list strong, .compact-list small { display: block; }
.compact-list small { margin-top: 3px; color: var(--muted); }
.empty-inline { padding: 24px 5px; color: var(--muted); text-align: center; }
.metric-grid { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 12px; margin-bottom: 18px; }
.role-strip { display: flex; gap: 10px; margin-bottom: 18px; padding-bottom: 4px; overflow-x: auto; }
.role-summary { min-width: 164px; display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; padding: 13px; color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.role-summary.selected { border-color: var(--green-700); box-shadow: inset 0 0 0 1px var(--green-700); }
.role-summary span { font-size: 12px; font-weight: 750; }
.role-summary strong { grid-row: 1 / 3; grid-column: 2; align-self: center; color: var(--green-800); font-size: 24px; }
.role-summary small { color: var(--muted); }
.role-editor-layout { align-items: start; }
.permission-groups { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 18px; }
.permission-groups fieldset { display: grid; gap: 7px; margin: 0; padding: 12px; border: 1px solid var(--line); border-radius: 6px; }
.permission-groups legend { padding: 0 5px; color: var(--green-800); font-size: 12px; font-weight: 800; text-transform: capitalize; }
.permission-groups label { display: flex; align-items: flex-start; gap: 8px; padding: 7px; border-radius: 4px; }
.permission-groups label:hover { background: var(--green-50); }
.permission-groups label span { display: grid; gap: 2px; }
.permission-groups label strong { font-size: 12px; }
.permission-groups label small { color: var(--muted); font-size: 10px; }
.role-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.role-chip { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; padding: 4px 8px; color: var(--green-800); border: 1px solid #bad7c8; border-radius: 4px; background: var(--green-50); font: inherit; font-size: 11px; cursor: pointer; }
.role-chip span { color: #a51f2c; font-size: 15px; line-height: 1; }
.compact-heading { margin-top: 24px; }
.metric { min-height: 96px; padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.metric span { color: var(--muted); font-size: 11px; font-weight: 750; text-transform: uppercase; }
.metric strong { display: block; margin-top: 10px; color: var(--green-800); font-size: 28px; line-height: 1; }

.table-wrap { max-width: 100%; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { padding: 10px 12px; border-bottom: 1px solid var(--line); color: #4d5851; background: #f3f6f4; font-size: 10px; text-align: left; text-transform: uppercase; white-space: nowrap; }
.data-table td { padding: 12px; border-bottom: 1px solid #edf1ee; vertical-align: middle; }
.data-table tbody tr:hover { background: #f9fbfa; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.person-cell { min-width: 220px; }
.person-cell strong, .person-cell small { display: block; }
.person-cell small { margin-top: 3px; color: var(--muted); }
.row-actions { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.course-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.course-card { min-width: 0; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.course-cover { aspect-ratio: 16 / 6; display: grid; place-items: center; color: #fff; background: var(--green-800); }
.course-cover img { width: 100%; height: 100%; object-fit: cover; }
.course-cover .icon { width: 42px; height: 42px; opacity: .85; }
.course-card-body { padding: 15px; }
.course-card-body h3 { margin: 8px 0 6px; font-size: 16px; }
.course-card-body p { min-height: 40px; margin: 0; color: var(--muted); line-height: 1.45; }
.course-card-footer { display: flex; align-items: center; gap: 10px; margin-top: 15px; padding-top: 13px; border-top: 1px solid var(--line); }
.course-card-footer .button { margin-left: auto; }
.curriculum { display: grid; gap: 10px; }
.module-row { border: 1px solid var(--line); border-radius: 5px; }
.module-row.is-locked { background: #fafbf9; }
.module-heading { min-height: 52px; display: flex; align-items: center; gap: 10px; padding: 10px 13px; background: #f5f8f6; }
.module-heading strong { flex: 1; }
.module-unlock-form { display: flex; align-items: end; gap: 10px; padding: 0 14px 12px 42px; }
.module-unlock-form label { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 11px; }
.module-unlock-form input { width: 82px; min-height: 34px; padding: 6px 8px; }
.module-lock-message { display: flex; align-items: center; gap: 8px; margin: 0 14px 10px 42px; padding: 10px 12px; color: #765f00; background: var(--yellow-soft); border-radius: 5px; font-size: 12px; }
.module-lock-message .icon { width: 16px; flex: 0 0 auto; }
.lesson-list { margin: 0; padding: 0; list-style: none; }
.lesson-list li { display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 9px 13px; border-top: 1px solid var(--line); }
.lesson-list li > a { min-width: 0; flex: 1; color: var(--ink); text-decoration: none; }
.lesson-list li > a:hover { color: var(--green-800); }
.lesson-list li > a strong, .lesson-list li > a small, .lesson-preview strong, .lesson-preview small { display: block; }
.lesson-list li > a small, .lesson-preview small { margin-top: 3px; color: var(--muted); line-height: 1.4; }
.lesson-preview { min-width: 0; flex: 1; }
.lesson-duration { flex: none; color: var(--muted); white-space: nowrap; }
.lesson-content { max-width: 920px; }
.lesson-block { margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.lesson-block:last-child { border-bottom: 0; }
.lesson-block h3 { margin: 0 0 10px; }
.lesson-block p { line-height: 1.7; white-space: pre-wrap; }
.lesson-media { width: 100%; border-radius: 5px; background: #101713; }
.two-column { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: 18px; align-items: start; }
.sticky-panel { position: sticky; top: 96px; }
.course-heading { align-items: center; }
.course-heading h2 { margin-top: 8px; }
.course-overview { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(420px,.8fr); gap: 28px; align-items: center; margin-bottom: 16px; padding: 20px 22px; }
.course-overview-copy > p { max-width: 850px; margin: 0; color: #3f4c45; line-height: 1.65; }
.course-progress { display: grid; grid-template-columns: minmax(160px,360px) auto; gap: 12px; align-items: center; margin-top: 14px; }
.course-facts { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin: 0; border: 1px solid var(--line); border-radius: 5px; background: #f8faf9; }
.course-facts div { min-width: 0; padding: 13px; border-left: 1px solid var(--line); }
.course-facts div:first-child { border-left: 0; }
.course-facts dt { color: var(--muted); font-size: 9px; font-weight: 800; text-transform: uppercase; }
.course-facts dd { margin: 5px 0 0; color: var(--green-900); font-size: 17px; font-weight: 820; white-space: nowrap; }
.course-workspace { display: grid; gap: 16px; }

.app-dialog { width: min(560px,calc(100vw - 32px)); max-height: min(760px,calc(100vh - 32px)); padding: 0; overflow: auto; border: 1px solid var(--line); border-radius: 7px; color: var(--ink); background: #fff; box-shadow: 0 28px 80px rgba(0,38,22,.28); }
.app-dialog.wide-dialog { width: min(780px,calc(100vw - 32px)); }
.app-dialog::backdrop { background: rgba(0,33,20,.55); backdrop-filter: blur(2px); }
.dialog-header { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; gap: 16px; padding: 17px 20px; background: #fff; border-bottom: 1px solid var(--line); }
.dialog-header > div { min-width: 0; flex: 1; }
.dialog-header h2 { margin: 0; font-size: 20px; }
.dialog-header .label-upper { margin-bottom: 4px; }
.dialog-header .icon-button .icon { transform: rotate(45deg); }
.dialog-form { display: grid; gap: 15px; padding: 20px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 9px; padding-top: 4px; }
.option-list { display: grid; gap: 9px; }
.option-item { display: flex; align-items: flex-start; gap: 9px; padding: 11px; border: 1px solid var(--line); border-radius: 5px; }
.question-block { padding: 17px; border-bottom: 1px solid var(--line); }
.question-block:last-child { border-bottom: 0; }
.question-block h3 { margin: 0 0 13px; font-size: 15px; }
.score-big { color: var(--green-800); font-size: 42px; font-weight: 850; }
.empty-state { min-height: 320px; display: grid; place-items: center; align-content: center; gap: 12px; padding: 28px; text-align: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.empty-state h1, .empty-state h2, .empty-state p { margin: 0; }
.empty-state p { max-width: 520px; color: var(--muted); line-height: 1.5; }

.login-page { position: relative; isolation: isolate; min-height: 100vh; display: grid; place-items: center; overflow: hidden; padding: 32px; background-color: #071b18; background-image: linear-gradient(125deg, rgba(8,126,79,.42), transparent 38%), linear-gradient(310deg, rgba(31,67,91,.46), transparent 45%), repeating-linear-gradient(45deg, rgba(255,255,255,.023) 0 1px, transparent 1px 46px); }
.login-page::before { content: ""; position: fixed; z-index: -1; width: min(980px, 78vw); aspect-ratio: 1672 / 941; right: -14vw; bottom: -15vw; background: url('../logo/logo_data.png') center / contain no-repeat; opacity: .055; pointer-events: none; }
.login-page::after { content: ""; position: fixed; z-index: -1; right: 0; bottom: 0; left: 0; height: 9px; background: linear-gradient(90deg, #d71f2b 0 8%, #f2c318 8% 18%, #11834b 18% 100%); }
.login-shell { position: relative; width: min(1040px,100%); min-height: 620px; display: grid; grid-template-columns: minmax(0,.92fr) minmax(460px,1.08fr); overflow: hidden; border: 1px solid rgba(255,255,255,.24); border-radius: 8px; background: #fff; box-shadow: 0 32px 80px rgba(0,0,0,.38); }
.login-identity { position: relative; isolation: isolate; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; padding: 48px; color: #fff; background-color: #08633e; background-image: linear-gradient(150deg, rgba(255,255,255,.09), transparent 42%), linear-gradient(20deg, #06452f, #088452); }
.login-identity::before { content: ""; position: absolute; z-index: -1; right: -145px; bottom: -70px; width: 420px; height: 260px; border: 1px solid rgba(255,255,255,.13); transform: rotate(-17deg); }
.login-identity::after { content: ""; position: absolute; top: 0; right: 0; width: 5px; height: 100%; background: #efb51b; }
.login-identity img { width: min(350px,100%); height: 112px; object-fit: contain; object-position: left center; filter: drop-shadow(0 8px 18px rgba(0,0,0,.2)); }
.login-identity h1 { margin: 0 0 14px; max-width: 390px; font-size: 39px; line-height: 1.07; letter-spacing: 0; }
.login-identity p { max-width: 390px; margin: 0; color: rgba(255,255,255,.83); font-size: 15px; line-height: 1.65; }
.login-identity small { color: rgba(255,255,255,.68); }
.login-form { display: grid; align-content: center; padding: 58px 62px; background: rgba(255,255,255,.98); }
.login-form h2 { margin: 0; color: #11231a; font-size: 30px; }
.login-form > p { margin: 10px 0 30px; color: var(--muted); line-height: 1.6; }
.login-form label { margin-bottom: 17px; }
.login-form label > span:first-child { color: #35483d; font-size: 13px; }
.login-form input { min-height: 48px; padding: 11px 13px; border-color: #c5d2c9; background: #fbfdfc; }
.login-form .button { width: 100%; min-height: 48px; margin-top: 7px; box-shadow: 0 8px 18px rgba(8,113,72,.17); }
.login-back { width: fit-content; display: inline-flex; align-items: center; gap: 8px; margin-bottom: 28px; color: var(--green-800); font-size: 13px; font-weight: 750; text-decoration: none; }
.login-back:hover { color: var(--green-950); }
.login-back .icon { width: 18px; height: 18px; }
.password-control { position: relative; display: block; }
.password-control input { padding-right: 52px; }
.password-toggle { position: absolute; top: 4px; right: 4px; width: 40px; height: 40px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 5px; color: #5f7066; background: transparent; cursor: pointer; }
.password-toggle:hover { color: var(--green-800); background: var(--green-50); }
.password-toggle .icon { width: 20px; height: 20px; }
.password-eye-off { display: none; }
.password-toggle.is-visible .password-eye { display: none; }
.password-toggle.is-visible .password-eye-off { display: block; }

.profile-grid { display: grid; grid-template-columns: 300px minmax(0,700px); gap: 18px; align-items: start; }
.profile-card { padding: 24px; text-align: center; }
.profile-photo-large { width: 112px; height: 112px; display: grid; place-items: center; margin: 0 auto 15px; border: 4px solid #fff; border-radius: 50%; object-fit: cover; color: var(--green-800); background: var(--green-50); box-shadow: 0 0 0 1px var(--line); }
.profile-photo-large .icon { width: 42px; height: 42px; }
.profile-card h2 { margin: 0; font-size: 19px; }
.profile-card > p { margin: 6px 0 18px; color: var(--muted); overflow-wrap: anywhere; }
.profile-meta { margin: 0; border-top: 1px solid var(--line); text-align: left; }
.profile-meta div { padding: 12px 0; border-bottom: 1px solid var(--line); }
.profile-meta dt { color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.profile-meta dd { margin: 4px 0 0; font-weight: 700; }

button:disabled, .button:disabled { opacity: .48; cursor: not-allowed; filter: grayscale(.2); }
.badge-row { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }
.badge .icon { width: 14px; height: 14px; }
.field-gap { margin-top: 13px; }
.lesson-preview { min-width: 0; flex: 1; }
.lesson-preview strong, .lesson-preview small { display: block; }
.lesson-preview small { margin-top: 3px; color: var(--muted); }
.course-start { display: grid; gap: 9px; margin: 16px 0 4px; }
.course-start small { color: var(--muted); line-height: 1.45; }

.audience-field, .activity-fields, .option-editor { min-width: 0; margin: 0; padding: 14px; border: 1px solid var(--line); border-radius: 6px; }
.audience-field { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.audience-field legend, .activity-fields legend, .option-editor legend { padding: 0 6px; color: #465149; font-size: 12px; font-weight: 800; }
.audience-option { position: relative; display: block; }
.audience-option > input { position: absolute; opacity: 0; pointer-events: none; }
.audience-option > span { min-height: 86px; display: grid; grid-template-columns: 24px 1fr; align-content: center; column-gap: 10px; padding: 13px; border: 1px solid var(--line); border-radius: 5px; cursor: pointer; }
.audience-option .icon { grid-row: 1 / 3; align-self: center; color: var(--green-800); }
.audience-option strong, .audience-option small { display: block; }
.audience-option small { margin-top: 4px; color: var(--muted); line-height: 1.35; }
.audience-option > input:checked + span { border-color: var(--green-700); background: var(--green-50); box-shadow: inset 0 0 0 1px var(--green-700); }
.audience-option > input:focus-visible + span { outline: 3px solid rgba(8,113,72,.16); }
.audience-builder { display: grid; gap: 13px; padding: 15px; border: 1px solid var(--line); border-radius: 6px; }
.audience-builder > p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.audience-rule-group { display: flex; flex-wrap: wrap; gap: 8px; }
.audience-rule-group > strong { flex-basis: 100%; color: var(--green-800); font-size: 12px; }
.audience-rule-group label { display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 6px 9px; border: 1px solid var(--line); border-radius: 5px; background: #fff; font-size: 12px; }

.lesson-heading { align-items: center; }
.lesson-builder { display: grid; grid-template-columns: minmax(0,1fr) 350px; gap: 18px; align-items: start; }
.lesson-canvas { min-width: 0; }
.lesson-inspector { position: sticky; top: 96px; display: grid; gap: 16px; }
.content-block-list { display: grid; gap: 12px; padding: 16px; }
.content-block { display: grid; grid-template-columns: 42px minmax(0,1fr); gap: 13px; padding: 15px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.content-block-icon { width: 42px; height: 42px; display: grid; place-items: center; color: var(--green-800); background: var(--green-50); border: 1px solid #d5e6dc; border-radius: 5px; }
.content-block-icon .icon { width: 21px; }
.content-block-main { min-width: 0; }
.content-block-heading { display: flex; align-items: flex-start; gap: 12px; }
.content-block-heading > div:first-child { min-width: 0; flex: 1; }
.content-block-heading small { color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.content-block-heading h3 { margin: 3px 0 0; font-size: 15px; }
.block-copy { margin: 12px 0; color: #3f4943; line-height: 1.65; }
.activity-content-block { border-left: 3px solid #1d96cc; }
.assessment-content-block { border-left: 3px solid #e2a917; }
.activity-summary { display: flex; align-items: center; gap: 12px; margin-top: 13px; padding-top: 12px; border-top: 1px solid var(--line); }
.activity-facts { display: flex; flex: 1; flex-wrap: wrap; gap: 8px 16px; color: var(--muted); font-size: 11px; }
.activity-facts span { display: inline-flex; align-items: center; gap: 5px; }
.activity-facts .icon { width: 15px; }
.lesson-audio { width: min(620px,100%); margin-top: 10px; }
.file-download { width: fit-content; max-width: 100%; display: flex; align-items: center; gap: 10px; margin-top: 11px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 5px; color: var(--green-900); background: #f9fbfa; text-decoration: none; }
.file-download:hover { border-color: var(--green-700); background: var(--green-50); }
.file-download strong, .file-download small { display: block; overflow-wrap: anywhere; }
.file-download small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.file-download.compact { margin: 10px 0; }
.danger-icon { color: var(--red); border-color: #f0d4d6; }
.danger-icon:hover { background: var(--red-soft); }
.add-content-panel { margin-top: 16px; }
.content-create-form textarea { min-height: 124px; }
.activity-fields { margin-top: 16px; background: #f8fbf9; }
.check-stack { display: grid; gap: 8px; }
.check-stack .option-item { padding: 9px; background: #fff; }
.option-item span strong, .option-item span small { display: block; }
.option-item span small { margin-top: 3px; color: var(--muted); line-height: 1.35; }
.upload-progress { margin-top: 15px; padding: 13px; border: 1px solid #bcdac9; border-radius: 5px; background: var(--green-50); }
.upload-progress > div { display: flex; gap: 12px; justify-content: space-between; margin-bottom: 8px; }
.upload-progress progress { width: 100%; height: 12px; accent-color: var(--green-700); }
.upload-progress small { display: block; margin-top: 6px; color: var(--muted); }
.completion-panel { display: grid; gap: 12px; }
.requirement-meter { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.requirement-meter > div { padding: 11px; border: 1px solid var(--line); border-radius: 5px; }
.requirement-meter span, .requirement-meter strong { display: block; }
.requirement-meter span { color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.requirement-meter strong { margin-top: 4px; color: var(--green-800); font-size: 20px; }
.requirement-list { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; }
.requirement-list li { display: flex; align-items: flex-start; gap: 7px; color: #5b665f; font-size: 11px; line-height: 1.4; }
.requirement-list .icon { width: 15px; height: 15px; margin-top: 1px; color: #a47f00; }

.question-bank { margin-top: 16px; }
.question-list { padding: 0 16px; }
.question-card { display: grid; grid-template-columns: 34px minmax(0,1fr) 40px; gap: 12px; align-items: start; padding: 16px 0; border-bottom: 1px solid var(--line); }
.question-card:last-child { border-bottom: 0; }
.question-number { width: 32px; height: 32px; display: grid; place-items: center; color: #fff; background: var(--green-800); border-radius: 50%; font-size: 12px; font-weight: 850; }
.question-copy h3 { margin: 10px 0 6px; font-size: 15px; line-height: 1.45; }
.question-answer-preview { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; margin: 12px 0 0; padding: 0; list-style: none; }
.question-answer-preview li { min-width: 0; display: grid; grid-template-columns: 25px minmax(0,1fr) auto; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 5px; color: #455149; background: #fafcfb; }
.question-answer-preview li.correct { color: var(--green-900); border-color: #bad9c7; background: var(--green-50); }
.option-letter { width: 23px; height: 23px; display: grid; place-items: center; border-radius: 50%; color: #4e5b53; background: #edf1ef; font-size: 10px; font-weight: 850; }
.question-answer-preview li.correct .option-letter { color: #fff; background: var(--green-700); }
.question-answer-preview strong { display: inline-flex; align-items: center; gap: 4px; font-size: 10px; }
.question-answer-preview strong .icon { width: 14px; }
.written-question-note { width: fit-content; display: flex; align-items: center; gap: 7px; margin: 11px 0 0; padding: 8px 10px; color: #765f00; background: var(--yellow-soft); border-radius: 5px; font-size: 11px; }
.written-question-note .icon { width: 15px; }
.question-video,
.video-answer-review video { display: block; width: min(100%, 760px); aspect-ratio: 16 / 9; margin: 14px 0; border: 1px solid var(--line); border-radius: 6px; background: #101511; object-fit: contain; }
.video-answer-field { display: grid; gap: 7px; margin-top: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 6px; background: #f7faf8; }
.video-answer-field > span,
.video-answer-review > strong { color: var(--ink); font-weight: 750; }
.video-answer-review { margin: 14px 0; }
.question-explanation { margin: 10px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.question-empty { min-height: 150px; display: grid; grid-template-columns: 40px minmax(0,1fr) auto; align-items: center; gap: 15px; padding: 22px 4px; }
.question-empty p { margin: 5px 0 0; color: var(--muted); line-height: 1.5; }
.question-form > label > textarea[name="prompt"] { min-height: 112px; }
.question-option-rows { display: grid; gap: 8px; }
.question-option-row { display: grid; grid-template-columns: 24px minmax(0,1fr) 40px; align-items: center; gap: 8px; }
.question-option-row input[type="radio"], .question-option-row input[type="checkbox"] { justify-self: center; }
.question-option-row .icon-button { width: 40px; }
.option-editor-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.option-editor-footer small { color: var(--muted); line-height: 1.4; }
.question-metadata { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 9px; }
.written-review { padding: 16px 0; border-bottom: 1px solid var(--line); }
.written-review:first-of-type { padding-top: 0; }
.written-review h3 { margin: 0 0 9px; font-size: 14px; }
.written-answer { margin-bottom: 12px; padding: 12px; border-left: 3px solid #1d96cc; background: #f4fafc; line-height: 1.55; }
.answer-feedback { margin-top: 10px; padding: 9px 11px; background: var(--green-50); border-radius: 5px; }

.activity-brief > p { max-width: 880px; line-height: 1.7; }
.activity-meta { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; margin: 18px 0 0; }
.activity-meta div { padding: 11px; border: 1px solid var(--line); border-radius: 5px; }
.activity-meta dt { color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.activity-meta dd { margin: 5px 0 0; font-weight: 750; }
.submission-list { padding: 0 17px; }
.submission-item { padding: 18px 0; border-bottom: 1px solid var(--line); }
.submission-item:last-child { border-bottom: 0; }
.submission-head { display: flex; align-items: flex-start; gap: 12px; }
.submission-head > div { min-width: 0; flex: 1; }
.submission-head strong, .submission-head small { display: block; }
.submission-head small { margin-top: 4px; color: var(--muted); }
.submission-evidence { margin: 12px 0; padding: 12px; background: #f7f9f8; border-left: 3px solid var(--green-700); }
.submission-evidence p { margin: 6px 0 0; line-height: 1.6; }
.review-form { margin-top: 14px; padding: 13px; border: 1px solid var(--line); border-radius: 5px; background: #fafcfb; }
.score-inline { display: flex; justify-content: space-between; align-items: center; margin-bottom: 13px; padding: 13px; background: var(--green-50); border-radius: 5px; }
.score-inline strong { color: var(--green-800); font-size: 21px; }

@media (max-width: 1160px) {
  .dashboard-columns { grid-template-columns: 1fr 1fr; }
  .dashboard-columns > :last-child { grid-column: 1 / -1; }
  .metric-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .course-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .top-profile > span { display: none; }
  .top-profile { min-width: 0; }
  .lesson-builder { grid-template-columns: minmax(0,1fr) 320px; }
  .activity-meta { grid-template-columns: 1fr 1fr; }
  .course-overview { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .app-shell { display: block; }
  .sidebar { position: fixed; left: 0; width: min(286px,86vw); transform: translateX(-100%); transition: transform .2s ease; }
  .sidebar-open .sidebar { transform: translateX(0); }
  .sidebar-scrim { position: fixed; inset: 0; z-index: 35; background: rgba(0,28,17,.55); }
  .sidebar-open .sidebar-scrim { display: block; }
  .menu-toggle { display: inline-grid; }
  .topbar-title { display: none; }
  .topbar { min-height: 68px; padding: 9px 14px; }
  .menu-selection { font-size: 12px; padding: 8px 10px; }
  .notification-link { display: none; }
  .page-content { padding-top: 18px; padding-bottom: 92px; }
  .mobile-nav { position: fixed; right: 0; bottom: 0; left: 0; z-index: 32; height: 66px; display: grid; grid-template-columns: repeat(4,1fr); padding-bottom: env(safe-area-inset-bottom); background: #fff; border-top: 1px solid var(--line); }
  .mobile-nav a { display: grid; place-items: center; align-content: center; gap: 3px; color: var(--muted); text-decoration: none; font-size: 10px; font-weight: 700; }
  .mobile-nav .icon { width: 20px; }
  .active-course-main { grid-template-columns: 1fr; }
  .progress-summary { padding: 15px 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .two-column, .profile-grid { grid-template-columns: 1fr; }
  .sticky-panel { position: static; }
  .lesson-builder { grid-template-columns: 1fr; }
  .lesson-inspector { position: static; grid-row: 1; }
}

@media (max-width: 620px) {
  .dashboard-intro h2, .page-heading h2 { font-size: 24px; }
  .page-heading { align-items: stretch; flex-direction: column; }
  .page-heading .button { margin-left: 0; }
  .page-heading-actions { width: 100%; justify-content: flex-start; margin-left: 0; }
  .active-course-main { padding: 18px; }
  .next-lesson { grid-template-columns: 1fr; padding: 16px 18px; }
  .next-lesson .button { width: 100%; }
  .dashboard-columns, .metric-grid, .course-grid, .form-grid, .permission-groups { grid-template-columns: 1fr; }
  .dashboard-columns > :last-child, .form-grid .span-2 { grid-column: auto; }
  .panel-header { align-items: flex-start; flex-direction: column; }
  .panel-actions { width: 100%; margin-left: 0; }
  .panel-actions .button { flex: 1; }
  .filter-bar { align-items: stretch; }
  .filter-bar label, .filter-bar .button, .search-control { width: 100%; }
  .form-actions { flex-direction: column-reverse; }
  .form-actions .button { width: 100%; }
  .audience-field, .check-grid, .activity-meta, .requirement-meter { grid-template-columns: 1fr; }
  .content-block { grid-template-columns: 34px minmax(0,1fr); padding: 12px; }
  .content-block-icon { width: 34px; height: 34px; }
  .activity-summary, .submission-head { align-items: stretch; flex-direction: column; }
  .activity-summary .button { width: 100%; }
  .question-card { grid-template-columns: 30px minmax(0,1fr); }
  .question-card > form { grid-column: 2; }
  .question-answer-preview { grid-template-columns: 1fr; }
  .question-empty { grid-template-columns: 34px minmax(0,1fr); }
  .question-empty .button { grid-column: 1 / -1; width: 100%; }
  .question-metadata { grid-template-columns: 1fr; }
  .option-editor-footer { align-items: stretch; flex-direction: column; }
  .login-page { padding: 0; background: #fff; }
  .login-page::before, .login-page::after { display: none; }
  .login-shell { min-height: 100vh; display: block; border-radius: 0; box-shadow: none; }
  .login-identity { min-height: 250px; padding: 28px 24px; }
  .login-identity::after { width: 100%; height: 5px; top: auto; bottom: 0; }
  .login-identity img { width: min(285px,86%); height: 78px; }
  .login-identity h1 { margin-top: 24px; font-size: 29px; }
  .login-identity small { display: none; }
  .login-form { padding: 34px 24px 46px; }
  .login-back { margin-bottom: 24px; }
  .course-facts { grid-template-columns: 1fr 1fr; }
  .course-facts div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .course-facts div:nth-child(4) { border-top: 1px solid var(--line); }
  .course-progress { grid-template-columns: 1fr; }
  .lesson-list li { align-items: flex-start; flex-wrap: wrap; }
  .lesson-list li > a, .lesson-preview { flex-basis: calc(100% - 34px); }
  .lesson-duration { margin-left: 30px; }
  .module-unlock-form { align-items: stretch; flex-direction: column; padding: 0 13px 13px; }
  .module-unlock-form label { justify-content: space-between; }
  .module-unlock-form .button { width: 100%; }
  .module-lock-message { margin: 0 13px 10px; }
  .dialog-actions { flex-direction: column-reverse; }
  .dialog-actions .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}