.student-preview-banner { margin: 0 0 16px; }
.future-module-card > summary { cursor: pointer; list-style: none; }
.future-module-card > summary::-webkit-details-marker { display: none; }
.future-module-card > summary::after { color: #587078; content: "▾"; font-size: 18px; }
.future-module-card:not([open]) > summary::after { content: "▸"; }
.editor-row-actions { align-items: flex-start; display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 14px; }
.editor-row-actions form { display: flex; gap: 6px; }
.editor-row-actions details { flex: 1; min-width: 220px; }
.editor-row-actions summary { color: #0b6d5c; cursor: pointer; font-weight: 800; }
.state-draft, .state-hidden { color: #76510f; }
.state-scheduled { color: #155d8a; }
.state-date_blocked { color: #8c3434; }
.state-published { color: #126447; }
.drive-status-panel { margin: 18px 0; }
.drive-status-row { align-items: center; border-top: 1px solid #e5ecee; display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr) auto minmax(180px, auto); padding: 12px 0; }
.drive-status-row b, .drive-status-row small { display: block; }
.future-editor-module[draggable="true"], .future-editor-lesson[draggable="true"], .future-editor-material[draggable="true"] { cursor: grab; }
.future-module-card.is-current{border-color:#3aa79d;box-shadow:0 12px 30px rgba(16,113,105,.12)}
.module-visual-group{margin:0 0 18px;border:1px solid #d6e3e4;border-radius:20px;background:#f7faf9;overflow:hidden}
.module-visual-group>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:54px;padding:13px 17px;cursor:pointer;list-style:none;color:#174a5a}
.module-visual-group>summary::-webkit-details-marker{display:none}.module-visual-group>summary:after{content:"▾"}.module-visual-group:not([open])>summary:after{content:"▸"}
.module-visual-group>summary small{display:block;margin-top:2px;color:#6b7e83;font-size:11px;font-weight:600}.module-visual-group-body{padding:0 12px 2px}.module-visual-group-body>.future-module-card{margin-bottom:12px}
.structure-static .future-module-card{box-shadow:none}.structure-static .future-module-stack{gap:10px}
.future-editor-module{padding:0!important}.editor-module-summary{padding:19px 21px;cursor:pointer;list-style:none}.editor-module-summary::-webkit-details-marker{display:none}.editor-module-summary:after{content:"▾";float:right;margin-top:-28px;color:#587078}.future-editor-module:not([open]) .editor-module-summary:after{content:"▸"}.editor-module-summary header{padding-right:28px}.editor-module-content{padding:0 21px 21px;border-top:1px solid #e4ecee}
.module-order-controls{display:flex;gap:6px}.module-order-controls button{display:inline-flex;align-items:center;gap:5px;min-height:42px}.module-order-controls small{font-size:10px}
@media(max-width:700px){.module-visual-group>summary{min-height:48px;padding:11px 13px}.module-visual-group-body{padding-inline:7px}.editor-module-summary{padding:15px}.editor-module-content{padding:0 15px 16px}.module-order-controls{width:100%}.module-order-controls button{flex:1;justify-content:center;min-height:46px}.editor-row-actions{flex-wrap:wrap}}
.future-editor-materials { display: flex; flex-wrap: wrap; gap: 6px; min-height: 12px; }
.future-editor-material { background: #eef4f5; border: 1px solid #dce7ea; border-radius: 999px; color: #164959; font-size: 12px; font-weight: 700; padding: 6px 10px; }
@media (max-width: 760px) { .drive-status-row { grid-template-columns: 1fr; } }
.folder-organizer { margin: 20px 0; }
.folder-create-form { align-items: end; display: grid; gap: 12px; grid-template-columns: minmax(180px, 1.3fr) minmax(160px, 1fr) minmax(160px, 1fr) auto; }
.folder-create-form label, .material-folder-move label { display: grid; gap: 5px; font-size: 12px; font-weight: 800; }
.folder-admin-tree { display: grid; gap: 10px; margin-top: 18px; }
.folder-admin-node { border: 1px solid #dce7e8; border-radius: 14px; overflow: hidden; }
.folder-admin-node > summary { align-items: center; cursor: pointer; display: flex; gap: 8px; list-style: none; padding: 12px 14px; }
.folder-admin-node > summary small { color: #667b80; margin-left: auto; }
.folder-admin-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 8px; padding: 0 14px 12px 42px; }
.folder-admin-actions form { align-items: center; display: flex; gap: 6px; }
.folder-admin-actions input { max-width: 250px; }
.folder-admin-child { align-items: center; background: #f6f9f9; border-top: 1px solid #e5eded; display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; padding: 10px 14px 10px 34px; }
.material-folder-move { align-items: end; display: flex; gap: 8px; grid-column: 1 / -1; padding: 8px 0 0; }
.material-folder { border-top: 1px solid #e0e9ea; }
.material-folder > summary { align-items: center; cursor: pointer; display: flex; gap: 8px; list-style: none; padding: 11px 4px; }
.material-folder > summary small { color: #718489; margin-left: auto; }
.material-folder-content { padding-left: 18px; }
.material-folder.subfolder { border: 1px solid #e5eded; border-radius: 10px; margin: 7px 0; }
.material-folder.subfolder > summary { padding-inline: 10px; }
.general-materials { margin-top: 18px; }
@media (max-width: 760px) { .folder-create-form { grid-template-columns: 1fr; } .folder-admin-actions { align-items: stretch; padding-left: 14px; } .folder-admin-actions form { width: 100%; } .folder-admin-actions input { flex: 1; min-width: 0; } .folder-admin-child { align-items: stretch; flex-direction: column; padding-left: 18px; } .material-folder-move { align-items: stretch; flex-direction: column; } }
.module-disclosure-controls { display: flex; flex-wrap: wrap; gap: 7px; }
.module-disclosure-controls .secondary { min-height: 36px; padding: 7px 10px; }
.drag-handle { align-items: center; align-self: center; border: 1px solid #d5e1e3; border-radius: 8px; color: #60777c; cursor: grab; display: inline-flex; flex: 0 0 auto; font-size: 18px; font-weight: 900; justify-content: center; line-height: 1; min-height: 38px; min-width: 38px; touch-action: none; user-select: none; }
.drag-handle:active { cursor: grabbing; }
.drag-handle:focus-visible { outline: 3px solid rgba(20, 126, 110, .25); outline-offset: 2px; }
.drag-handle.compact { font-size: 15px; min-height: 30px; min-width: 30px; }
.editor-module-summary { align-items: center; display: flex; gap: 10px; }
.editor-module-summary header { flex: 1; min-width: 0; }
[data-reorder-item].is-dragging { opacity: .58; outline: 2px dashed #238979; outline-offset: 2px; }
.future-editor-lesson > .drag-handle { float: left; margin: 0 10px 8px 0; }
.future-editor-material { align-items: center; display: inline-flex; gap: 6px; }
.future-editor-material > a { color: inherit; text-decoration: none; }
.folder-material-order { display: flex; flex-wrap: wrap; gap: 7px; padding: 0 14px 10px 42px; }
.folder-material-chip { align-items: center; background: #eef5f5; border: 1px solid #dce7e8; border-radius: 999px; display: inline-flex; gap: 6px; padding: 4px 9px 4px 5px; }
.folder-children:empty, .folder-material-order:empty { display: none; }
.order-feedback { background: #174f49; border-radius: 10px; bottom: 22px; color: white; font-weight: 800; left: 50%; max-width: min(92vw, 420px); opacity: 0; padding: 11px 16px; pointer-events: none; position: fixed; transform: translate(-50%, 18px); transition: .18s ease; z-index: 2000; }
.order-feedback.visible { opacity: 1; transform: translate(-50%, 0); }
.order-feedback.error { background: #8b3434; }
.reorder-help { margin-top: 10px; }
@media (max-width: 760px) { .future-section-head { align-items: flex-start; gap: 10px; } .module-disclosure-controls { width: 100%; } .module-disclosure-controls button { flex: 1; } .drag-handle { min-height: 44px; min-width: 44px; } .drag-handle.compact { min-height: 40px; min-width: 40px; } .folder-material-order { padding-left: 14px; } }
.questions-shell { max-width: 1050px; }
.questions-header { align-items: center; display: flex; justify-content: space-between; }
.privacy-chip, .question-status { background: #edf6f4; border: 1px solid #d4e7e2; border-radius: 999px; color: #176354; display: inline-flex; font-size: 12px; font-weight: 800; padding: 7px 10px; }
.question-compose { margin: 18px 0; }
.question-compose form, .question-actions details form { display: grid; gap: 12px; }
.question-compose label, .question-actions label { display: grid; font-size: 13px; font-weight: 800; gap: 6px; }
.question-filters { align-items: end; margin: 18px 0; }
.question-filters label { display: grid; gap: 5px; }
.question-stack { display: grid; gap: 14px; }
.question-card { background: #fff; border: 1px solid #dfe8ea; border-radius: 18px; box-shadow: 0 7px 20px rgba(16,40,49,.04); padding: 18px; }
.question-card > header { align-items: flex-start; display: flex; gap: 12px; justify-content: space-between; }
.question-card h2 { font-size: 20px; margin: 4px 0; }
.question-card header small, .question-replies small { color: #60767c; font-size: 11px; font-weight: 800; }
.question-status.status-answered { background: #eaf4fb; border-color: #cee2ee; color: #175d7c; }
.question-status.status-closed { background: #f0f1f1; border-color: #dde1e2; color: #59666a; }
.question-message, .question-replies p { line-height: 1.6; white-space: pre-wrap; }
.question-replies { border-left: 3px solid #4a9b8b; display: grid; gap: 10px; margin: 16px 0 0 10px; padding-left: 14px; }
.question-replies article { background: #f7faf9; border-radius: 12px; padding: 12px; }
.question-replies b { display: block; margin-top: 4px; }
.question-replies p { margin: 7px 0 0; }
.question-actions { align-items: flex-start; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.question-actions details { flex: 1; min-width: 260px; }
.question-actions summary { color: #0b6d5c; cursor: pointer; font-weight: 800; margin: 8px 0; }
@media (max-width: 680px) { .questions-header, .question-card > header { align-items: flex-start; flex-direction: column; } .question-filters { align-items: stretch; display: grid; grid-template-columns: 1fr; } .question-actions, .question-actions details, .question-actions form { width: 100%; } .question-actions button { width: 100%; } }
.course-questions-page .questions-shell { max-width: 1380px; }
.student-questions-toolbar { align-items: center; display: flex; gap: 20px; justify-content: space-between; margin-bottom: 10px; padding: 2px 0 8px; }
.student-questions-toolbar > div { min-width: 0; }
.student-questions-toolbar .backlink { display: inline-flex; font-size: 10px; margin: 0 0 3px; }
.student-questions-toolbar h1 { color: #173f4d; font-size: 25px; line-height: 1.1; margin: 0; }
.student-questions-toolbar small { color: #657a80; display: block; font-size: 10px; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.student-compose-open { flex: 0 0 auto; }
.student-question-filters { margin: 0 0 10px; }
.student-question-filters .record-search-main { flex: 1 1 320px; }
.student-questions-layout { background: #fff; border: 1px solid #dfe8ea; border-radius: 18px; display: grid; grid-template-columns: minmax(310px, 390px) minmax(0, 1fr); min-height: 540px; overflow: hidden; }
.student-questions-list { border-right: 1px solid #e2e9eb; display: flex; flex-direction: column; max-height: 72vh; min-width: 0; overflow: hidden; }
.student-thread-list { min-height: 0; overflow-y: auto; }
.student-thread { align-items: center; border-bottom: 1px solid #edf1f2; color: #183d49; display: grid; gap: 8px; grid-template-columns: minmax(0, 1fr) auto; min-height: 72px; padding: 10px 12px; text-decoration: none; }
.student-thread:hover, .student-thread.active { background: #f0f7f6; }
.student-thread.active { box-shadow: inset 3px 0 #238979; }
.student-thread > div { min-width: 0; }
.student-thread-top { align-items: baseline; display: flex; gap: 8px; justify-content: space-between; }
.student-thread-top b { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.student-thread-top time { color: #718489; font-size: 9px; white-space: nowrap; }
.student-thread p { color: #64787e; font-size: 10px; margin: 5px 0 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.student-thread > .question-status { font-size: 9px; padding: 5px 7px; }
.student-questions-detail { min-width: 0; padding: 20px; }
.student-questions-detail > header { align-items: flex-start; border-bottom: 1px solid #e7edef; display: flex; gap: 14px; justify-content: space-between; padding-bottom: 14px; }
.student-questions-detail > header small { color: #657a80; font-size: 10px; }
.student-questions-detail > header h2 { font-size: 23px; line-height: 1.2; margin: 5px 0 0; }
.student-question-conversation { display: grid; gap: 11px; max-height: 52vh; overflow-y: auto; padding: 16px 4px; }
.student-question-close { border-top: 1px solid #e7edef; padding-top: 14px; }
.student-mobile-back { display: none; }
.student-question-compose { border: 0; border-radius: 16px; box-shadow: 0 24px 70px rgba(8,47,61,.28); max-height: calc(100dvh - 32px); padding: 0; width: min(620px,calc(100% - 28px)); }
.student-question-compose::backdrop { background: rgba(7,33,42,.48); backdrop-filter: blur(2px); }
.student-question-compose form { display: grid; gap: 13px; padding: 20px; }
.student-question-compose header { align-items: flex-start; display: flex; justify-content: space-between; }
.student-question-compose header small { color: #16817f; font-size: 9px; font-weight: 850; letter-spacing: .08em; }
.student-question-compose h2 { font-size: 21px; margin: 3px 0 0; }
.student-question-compose header button { align-items: center; background: transparent; border: 0; border-radius: 50%; color: #526c74; cursor: pointer; display: inline-flex; font-size: 24px; height: 34px; justify-content: center; width: 34px; }
.student-question-compose label { display: grid; font-size: 11px; font-weight: 800; gap: 6px; }
.student-question-compose textarea { min-height: 150px; resize: vertical; }
.student-question-compose footer { display: flex; gap: 9px; }
@media (max-width: 820px) { .student-questions-layout { display: block; } .student-questions-list { border-right: 0; max-height: 64vh; } .student-questions-detail { display: none; padding: 15px; } .student-questions-layout.detail-open .student-questions-list { display: none; } .student-questions-layout.detail-open .student-questions-detail { display: block; width: 100%; } .student-mobile-back { color: #176354; display: inline-flex; font-size: 11px; font-weight: 800; margin-bottom: 12px; text-decoration: none; } .student-question-conversation { max-height: none; } }
@media (max-width: 560px) { .student-questions-toolbar { align-items: flex-end; gap: 10px; } .student-questions-toolbar h1 { font-size: 22px; } .student-questions-toolbar small { max-width: 62vw; } .student-compose-open { min-height: 38px; padding-inline: 12px; } .student-question-filters { display: grid; grid-template-columns: 1fr; } .student-question-filters > * { width: 100%; } .student-thread { min-height: 68px; } .student-thread > .question-status { justify-self: end; } .student-question-compose { border-radius: 14px; width: calc(100% - 20px); } .student-question-compose form { padding: 16px; } .student-question-compose footer { display: grid; } .student-question-compose footer button { width: 100%; } }
.questions-inbox-shell { max-width: 1380px; }
.questions-inbox-header { align-items: center; display: flex; justify-content: space-between; }
.questions-inbox-filters .record-search-main { flex: 1 1 280px; }
.questions-inbox-layout { background: #fff; border: 1px solid #dfe8ea; border-radius: 18px; display: grid; grid-template-columns: minmax(310px, 390px) minmax(0, 1fr); min-height: 560px; overflow: hidden; }
.questions-inbox-list { border-right: 1px solid #e2e9eb; display: flex; flex-direction: column; max-height: 72vh; overflow: hidden; }
.inbox-thread-list { min-height: 0; overflow-y: auto; }
.inbox-thread { align-items: center; border-bottom: 1px solid #edf1f2; color: #183d49; display: grid; gap: 9px; grid-template-columns: 28px minmax(0, 1fr); height: 62px; padding: 8px 12px; position: relative; text-decoration: none; }
.inbox-thread:hover, .inbox-thread.active { background: #f0f7f6; }
.inbox-thread.active { box-shadow: inset 3px 0 #238979; }
.inbox-thread-avatar { align-items: center; background: #e3f1ef; border-radius: 50%; color: #176354; display: inline-flex; font-size: 10px; font-weight: 900; height: 28px; justify-content: center; width: 28px; }
.inbox-thread-copy { min-width: 0; padding-right: 12px; }
.inbox-thread-top { align-items: baseline; display: flex; gap: 8px; justify-content: space-between; }
.inbox-thread-top b { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.inbox-thread-top time { color: #718489; font-size: 9px; white-space: nowrap; }
.inbox-thread small { color: #61767c; display: block; font-size: 9px; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.inbox-thread-pending { background: #d65a56; border: 2px solid #fff; border-radius: 50%; bottom: 11px; height: 9px; position: absolute; right: 11px; width: 9px; }
.inbox-pagination { align-items: center; border-top: 1px solid #e2e9eb; display: grid; flex: 0 0 auto; grid-template-columns: 1fr auto 1fr; min-height: 42px; padding: 6px 10px; }
.inbox-pagination a { color: #176354; font-size: 10px; font-weight: 800; text-decoration: none; }
.inbox-pagination a:last-child { text-align: right; }
.inbox-pagination small { color: #61767c; font-size: 9px; white-space: nowrap; }
.inbox-mobile-back { display: none; }
.questions-inbox-detail { min-width: 0; padding: 20px; }
.questions-inbox-detail > header { align-items: flex-start; border-bottom: 1px solid #e7edef; display: flex; gap: 14px; justify-content: space-between; padding-bottom: 14px; }
.questions-inbox-detail > header small { color: #657a80; font-size: 10px; }
.questions-inbox-detail > header h2 { font-size: 23px; line-height: 1.2; margin: 5px 0 0; }
.inbox-conversation { display: grid; gap: 11px; max-height: 46vh; overflow-y: auto; padding: 16px 4px; }
.inbox-message { border: 1px solid #e0e9ea; border-radius: 14px; max-width: 82%; padding: 12px 14px; }
.inbox-message.student { background: #f6f8f9; justify-self: start; }
.inbox-message.staff { background: #edf7f4; border-color: #d2e8e2; justify-self: end; }
.inbox-message small { color: #667c81; display: block; font-size: 9px; font-weight: 850; }
.inbox-message b { display: block; font-size: 12px; margin-top: 4px; }
.inbox-message p { font-size: 13px; line-height: 1.55; margin: 7px 0 0; white-space: pre-wrap; }
.inbox-detail-actions { border-top: 1px solid #e7edef; display: flex; gap: 10px; padding-top: 14px; }
.inbox-detail-actions > form:first-child { flex: 1; }
.inbox-detail-actions label { display: grid; font-size: 11px; font-weight: 850; gap: 6px; }
.inbox-detail-actions textarea { min-height: 92px; resize: vertical; }
.inbox-detail-actions label + div { margin-top: 8px; }
@media (max-width: 820px) { .questions-inbox-layout { display: block; } .questions-inbox-list { border-bottom: 0; border-right: 0; max-height: 62vh; } .questions-inbox-detail { display: none; padding: 15px; } .questions-inbox-layout.detail-open .questions-inbox-list { display: none; } .questions-inbox-layout.detail-open .questions-inbox-detail { display: block; width: 100%; } .inbox-mobile-back { display: inline-flex; margin-bottom: 12px; color: #176354; font-size: 11px; font-weight: 800; text-decoration: none; } .inbox-conversation { max-height: none; } }
@media (max-width: 560px) { .questions-inbox-header, .questions-inbox-detail > header { align-items: flex-start; flex-direction: column; } .questions-inbox-filters { display: grid; grid-template-columns: 1fr; } .questions-inbox-filters > * { width: 100%; } .inbox-message { max-width: 94%; } .inbox-detail-actions { align-items: stretch; flex-direction: column; } .inbox-detail-actions button { width: 100%; } }
.module-student-layout { display: block; }
.academic-student-layout { display: block; }
.academic-student-layout > .future-course-rail { display: none; }
.module-student-layout .module-card-columns { align-items: start; display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.module-student-layout .module-card-columns > .future-module-card { align-self: start; margin: 0; min-width: 0; padding: 0; width: 100%; }
.module-student-layout .module-card-columns .future-module-head { align-items: center; margin: 0; min-height: 82px; padding: 14px 16px; }
.module-student-layout .module-card-columns .future-module-head h3 { font-size: 19px; line-height: 1.2; margin-bottom: 0; }
.module-student-layout .module-card-columns .future-module-head .status { flex: 0 0 auto; }
.module-student-layout .module-card-columns .module-accent { margin-inline: 16px; }
.module-student-layout .module-card-columns .future-module-card[open] { padding-bottom: 14px; }
.module-student-layout .module-card-columns .future-module-card[open] .future-module-head { border-bottom: 1px solid #e8eeee; }
.module-student-layout .module-progress-summary,
.module-student-layout .future-lesson-list,
.module-student-layout .lock-message { margin-left: 14px; margin-right: 14px; }
.module-expanded-intro { color: #53676d; font-size: 13px; line-height: 1.5; padding: 12px 15px 0; }
.module-expanded-intro p { margin: 0; }
.module-card-date { color: #587077; display: block; font-size: 11px; font-weight: 700; margin-top: 6px; }
.module-student-layout .future-lesson-list { gap: 7px; }
.module-student-layout .future-lesson-list .future-lesson-row { grid-template-columns: 44px minmax(0, 1fr) 20px; min-height: 58px; padding: 9px 10px; }
.module-student-layout .future-lesson-row b { font-size: 14px; }
.module-student-layout .future-lesson-row small { margin-top: 1px; }
.module-index-card > a,
.module-index-card > div { color: inherit; display: grid; gap: 11px; min-height: 206px; padding: 16px; text-decoration: none; }
.module-index-card > a:hover .module-index-action { color: #0b6d5c; transform: translateX(2px); }
.module-index-card.locked > div { cursor: not-allowed; }
.module-index-head { align-items: flex-start; display: flex; gap: 12px; justify-content: space-between; }
.module-index-head small { color: #0d6377; display: block; font-size: 10px; font-weight: 900; letter-spacing: .08em; }
.module-index-head h3 { font-size: 19px; line-height: 1.2; margin: 4px 0 0; }
.module-index-card p { color: #5d6f75; display: -webkit-box; font-size: 12px; line-height: 1.45; margin: 0; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.module-index-progress { align-items: center; display: grid; gap: 6px; grid-template-columns: minmax(0, 1fr) auto; margin-top: auto; }
.module-index-progress span,
.module-index-progress b { color: #536a70; font-size: 11px; }
.module-index-progress > i { background: #e5edef; border-radius: 999px; display: block; grid-column: 1 / -1; height: 6px; overflow: hidden; }
.module-index-progress > i > span { background: var(--course-accent, #167c82); border-radius: inherit; display: block; height: 100%; }
.module-index-action { color: #176354; font-size: 11px; font-weight: 900; transition: .14s ease; }
.module-index-lock { color: #7b5a25; font-size: 10px; line-height: 1.4; }
.structure-chronological .academic-student-layout .future-module-card { padding: 14px 16px; }
.structure-chronological .academic-student-layout .future-module-head { margin-bottom: 7px; min-height: 54px; }
.structure-chronological .academic-student-layout .future-module-head h3 { font-size: 19px; }
.module-materials-disclosure { border-top: 1px solid #e3eaeb; margin: 12px 14px 0; }
.module-materials-disclosure > summary { align-items: center; color: #174f5d; cursor: pointer; display: flex; font-size: 12px; font-weight: 850; justify-content: space-between; list-style: none; min-height: 44px; padding: 8px 2px; }
.module-materials-disclosure > summary::-webkit-details-marker { display: none; }
.module-materials-disclosure > summary::after { content: "▸"; margin-left: 8px; }
.module-materials-disclosure[open] > summary::after { content: "▾"; }
.module-materials-disclosure > summary b { align-items: center; background: #eaf3f2; border-radius: 999px; color: #176354; display: inline-flex; font-size: 11px; justify-content: center; margin-left: auto; min-height: 24px; min-width: 24px; padding: 3px 7px; }
.module-materials-content .future-materials-card { margin-top: 0; padding-top: 0; }
.module-materials-content .folder-library { border-top: 1px solid #edf1f2; margin-top: 8px; padding-top: 4px; }
.academic-activity-section { border-top: 1px solid #dfe8e9; margin-top: 24px; padding-top: 20px; }
.academic-activity-section > header small { color: #0d6377; font-size: 10px; font-weight: 900; letter-spacing: .1em; }
.academic-activity-section > header h2 { font-size: 23px; margin: 4px 0 14px; }
.academic-activity-grid { display: grid; gap: 12px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.academic-activity-card { align-content: start; background: #fff; border: 1px solid #dfe8e9; border-radius: 15px; color: #163b48; display: grid; gap: 5px; min-height: 112px; padding: 14px; text-decoration: none; }
a.academic-activity-card:hover { border-color: #9fc9c4; box-shadow: 0 7px 18px rgba(16, 70, 72, .07); transform: translateY(-1px); }
.academic-activity-card b { font-size: 15px; }
.academic-activity-card small,
.academic-activity-card > a { color: #60767b; font-size: 11px; line-height: 1.4; }
.academic-activity-card > a { color: #0b6d5c; font-weight: 800; }
.academic-activity-icon { align-items: center; background: var(--course-soft, #edf5f5); border-radius: 9px; color: var(--course-deep, #174f5d); display: inline-flex; font-size: 12px; font-weight: 900; height: 28px; justify-content: center; width: 28px; }
.academic-activity-list { background: #fff; border: 1px solid #dfe8e9; border-radius: 15px; margin-top: 12px; scroll-margin-top: 18px; }
.academic-activity-list > summary { color: #174f5d; cursor: pointer; font-size: 13px; font-weight: 850; list-style: none; padding: 13px 15px; }
.academic-activity-list > summary::after { content: "▸"; float: right; }
.academic-activity-list[open] > summary::after { content: "▾"; }
.academic-activity-list > div { border-top: 1px solid #e8eeee; padding: 0 15px 8px; }
.academic-activity-list article { align-items: center; border-top: 1px solid #edf1f2; display: grid; gap: 10px; grid-template-columns: 34px minmax(0, 1fr) auto; padding: 11px 0; }
.academic-activity-list article:first-child { border-top: 0; }
.academic-activity-list article b,
.academic-activity-list article small { display: block; }
.academic-activity-list article small { color: #66797e; font-size: 11px; margin-top: 2px; }
.academic-activity-list article a { color: #0b6d5c; font-size: 12px; font-weight: 850; }
.academic-activity-list article em { color: #718086; font-size: 11px; }
@media (max-width: 900px) { .academic-activity-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 820px) { .module-student-layout .module-card-columns { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .academic-activity-grid { grid-template-columns: 1fr; } .academic-activity-card { min-height: 96px; } .academic-activity-list article { grid-template-columns: 32px minmax(0, 1fr); } .academic-activity-list article > a, .academic-activity-list article > em { grid-column: 2; } }
.module-detail-hero { align-items: start; background: linear-gradient(135deg, var(--course-deep, #123f55), var(--course-accent, #147d91)); border-radius: 22px; color: #fff; display: grid; gap: 22px; grid-template-columns: minmax(0, 1fr) 270px; padding: 22px; }
.module-detail-hero > div:first-child > small { font-size: 10px; font-weight: 900; letter-spacing: .1em; opacity: .82; }
.module-detail-hero h1 { font-size: 31px; line-height: 1.08; margin: 6px 0 8px; }
.module-detail-hero p { color: rgba(255, 255, 255, .82); font-size: 14px; line-height: 1.55; margin: 0; max-width: 760px; }
.module-detail-meta { align-items: center; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 13px; }
.module-detail-meta > span:not(.status) { background: rgba(255, 255, 255, .1); border-radius: 999px; font-size: 10px; font-weight: 750; padding: 6px 9px; }
.module-detail-progress { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .16); border-radius: 16px; display: grid; gap: 6px; padding: 15px; }
.module-detail-progress > span { font-size: 9px; font-weight: 900; letter-spacing: .09em; }
.module-detail-progress > b { font-size: 28px; }
.module-detail-progress > div { background: rgba(255, 255, 255, .16); border-radius: 999px; height: 7px; overflow: hidden; }
.module-detail-progress i { background: #75e1ca; border-radius: inherit; display: block; height: 100%; }
.module-detail-progress small { color: rgba(255, 255, 255, .78); font-size: 10px; }
.module-detail-navigation { align-items: stretch; display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 15px 0; }
.module-detail-navigation > a { background: #fff; border: 1px solid #dfe8e9; border-radius: 13px; color: #164959; display: grid; gap: 3px; padding: 11px 13px; text-decoration: none; }
.module-detail-navigation > a.next { text-align: right; }
.module-detail-navigation small { color: #628087; font-size: 9px; font-weight: 900; letter-spacing: .08em; }
.module-detail-navigation b { font-size: 13px; }
.module-next-lesson { align-items: center; background: #f4f9f8; border: 1px solid #d7e8e4; border-radius: 16px; display: flex; gap: 18px; justify-content: space-between; margin: 16px 0; padding: 16px 18px; }
.module-next-lesson small { color: #0b6d5c; font-size: 9px; font-weight: 900; letter-spacing: .08em; }
.module-next-lesson h2 { font-size: 20px; margin: 4px 0; }
.module-next-lesson p { color: #62777c; font-size: 11px; margin: 0; }
.module-detail-content { display: grid; gap: 12px; }
.module-page-block { background: #fff; border: 1px solid #dfe8e9; border-radius: 16px; overflow: hidden; }
.module-page-block > summary { align-items: center; cursor: pointer; display: flex; gap: 12px; justify-content: space-between; list-style: none; min-height: 58px; padding: 12px 16px; }
.module-page-block > summary::-webkit-details-marker { display: none; }
.module-page-block > summary span { display: grid; gap: 2px; }
.module-page-block > summary small { color: #0d6377; font-size: 9px; font-weight: 900; letter-spacing: .08em; }
.module-page-block > summary b { color: #163e4b; font-size: 16px; }
.module-page-block > summary em { align-items: center; background: #eaf3f2; border-radius: 999px; color: #176354; display: inline-flex; font-size: 11px; font-style: normal; font-weight: 900; justify-content: center; min-height: 26px; min-width: 26px; padding: 4px 8px; }
.module-page-block-body { border-top: 1px solid #e8eeee; padding: 8px 16px 14px; }
.module-context-activities article { align-items: center; border-top: 1px solid #edf1f2; display: grid; gap: 10px; grid-template-columns: 34px minmax(0, 1fr) auto; padding: 11px 0; }
.module-context-activities article:first-child { border-top: 0; }
.module-context-activities b,
.module-context-activities small { display: block; }
.module-context-activities small { color: #687c81; font-size: 11px; margin-top: 3px; }
.module-context-activities a { color: #0b6d5c; font-size: 12px; font-weight: 850; }
.module-detail-navigation.bottom { border-top: 1px solid #dfe8e9; padding-top: 16px; }
@media (max-width: 760px) { .module-detail-hero { grid-template-columns: 1fr; } .module-detail-navigation { grid-template-columns: 1fr 1fr; } .module-next-lesson { align-items: stretch; flex-direction: column; } .module-next-lesson .primary { text-align: center; } }
@media (max-width: 520px) { .module-index-card > a, .module-index-card > div { min-height: 180px; } .module-detail-navigation { grid-template-columns: 1fr; } .module-detail-navigation > span { display: none; } .module-detail-navigation > a.next { text-align: left; } .module-context-activities article { grid-template-columns: 32px minmax(0, 1fr); } .module-context-activities article > a, .module-context-activities article > em { grid-column: 2; } }