:root {
  --cfu-orange: #f26f21;
  --cfu-plum: #7a1f58;
  --cfu-yellow: #ffd447;
  --cfu-pistachio: #d8e7b1;
  --cfu-pistachio-light: #f3f7e8;
  --cfu-gray: #2e3033;
  --cfu-muted: #666b72;
  --surface: #ffffff;
  --line: #dde2d5;
  --shadow: 0 18px 45px rgba(46, 48, 51, 0.1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--cfu-gray);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, var(--cfu-pistachio-light), #fff 360px);
  color: var(--cfu-gray);
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.topbar {
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-height: 78px;
  padding: 14px clamp(18px, 4vw, 54px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  color: inherit;
  display: flex;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: var(--cfu-plum);
  border-radius: 8px;
  color: #fff;
  display: grid;
  font-weight: 800;
  height: 46px;
  letter-spacing: 0;
  place-items: center;
  width: 58px;
}

.brand small {
  color: var(--cfu-muted);
  display: block;
  font-size: 0.82rem;
}

.main-nav,
.toolbar,
.button-row {
  align-items: center;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-link {
  border-radius: 999px;
  color: var(--cfu-gray);
  font-weight: 700;
  padding: 10px 14px;
  text-decoration: none;
}

.nav-link.active {
  background: var(--cfu-gray);
  color: #fff;
}

.version-badge {
  color: var(--cfu-muted);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0 2px;
}

.staff-only,
.signed-in-only,
body.staff-logged-in .login-button:not(.signed-in-only) {
  display: none;
}

body.staff-logged-in .staff-only,
body.staff-logged-in .signed-in-only {
  display: inline-flex;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.student-hero,
.page-shell {
  margin: 0 auto;
  max-width: 1180px;
  padding: clamp(28px, 5vw, 68px) clamp(18px, 4vw, 36px);
}

.student-hero {
  align-items: end;
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  min-height: 420px;
}

.student-copy h1,
.page-shell h1 {
  font-size: clamp(2.1rem, 5vw, 4.8rem);
  line-height: 1;
  margin: 0 0 18px;
  max-width: 820px;
}

.student-copy p {
  font-size: 1.16rem;
  line-height: 1.6;
  max-width: 680px;
}

.eyebrow {
  color: var(--cfu-plum);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 0 0 8px;
  text-transform: uppercase;
}

.expiry-pill {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: inline-flex;
  font-weight: 800;
  gap: 9px;
  padding: 9px 14px;
}

.dot {
  background: #3b8f49;
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.access-panel,
.editor-panel,
.policy-panel,
.table-panel,
.dialog-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.access-panel {
  padding: 24px;
}

label {
  color: var(--cfu-gray);
  display: grid;
  font-size: 0.92rem;
  font-weight: 800;
  gap: 8px;
}

input,
textarea,
select {
  background: #fff;
  border: 1px solid #cfd6c6;
  border-radius: 6px;
  color: var(--cfu-gray);
  min-height: 44px;
  padding: 10px 12px;
  width: 100%;
}

textarea {
  resize: vertical;
}

.code-row {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.button,
.icon-button,
.table-action {
  align-items: center;
  border: 0;
  border-radius: 6px;
  display: inline-flex;
  font-weight: 900;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  text-decoration: none;
  white-space: nowrap;
}

.button.primary {
  background: var(--cfu-orange);
  color: #1f1f1f;
}

.button.secondary {
  background: var(--cfu-plum);
  color: #fff;
}

.button.ghost {
  background: #eef3e1;
  color: var(--cfu-gray);
}

.button.tiny,
.table-action {
  min-height: 36px;
  padding: 0 12px;
}

.form-message {
  color: var(--cfu-muted);
  margin: 12px 0 0;
}

.student-materials {
  margin: 0 auto 70px;
  max-width: 1180px;
  padding: 0 clamp(18px, 4vw, 36px);
  transition: opacity 180ms ease, filter 180ms ease;
}

.student-materials.locked {
  display: none;
}

.hidden-before-access {
  display: none;
}

.student-materials:not(.locked) {
  display: block;
  pointer-events: auto;
}

.section-heading,
.panel-header,
.mini-heading {
  align-items: center;
  display: flex;
  gap: 18px;
  justify-content: space-between;
}

.section-heading h2,
.panel-header h2,
.policy-panel h2 {
  margin: 0;
}

.icon-button {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--cfu-gray);
  min-width: 58px;
}

.icon-button.active {
  background: var(--cfu-gray);
  color: #fff;
}

.folder-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

.folder-card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 6px solid var(--cfu-yellow);
  border-radius: 8px;
  min-height: 230px;
  padding: 18px;
}

.folder-card:nth-child(2) {
  border-top-color: var(--cfu-orange);
}

.folder-card:nth-child(3) {
  border-top-color: var(--cfu-plum);
}

.folder-card h3 {
  margin: 0 0 14px;
}

.material-list {
  display: grid;
  gap: 10px;
}

.material-item {
  align-items: center;
  background: #f8faf2;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 10px;
  grid-template-columns: 42px 1fr auto;
  padding: 10px;
}

.material-icon {
  align-items: center;
  background: var(--cfu-gray);
  border-radius: 6px;
  color: #fff;
  display: grid;
  font-size: 0.75rem;
  font-weight: 900;
  height: 42px;
  place-items: center;
}

.material-item.link .material-icon {
  background: var(--cfu-plum);
}

.material-item strong,
.material-item small {
  display: block;
}

.material-item small {
  color: var(--cfu-muted);
}

.download-link {
  color: var(--cfu-plum);
  font-weight: 900;
}

.metrics {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 28px 0;
}

.metrics article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.metrics span {
  color: var(--cfu-muted);
  display: block;
  font-weight: 800;
}

.metrics strong {
  display: block;
  font-size: 2rem;
  margin-top: 8px;
}

.workbench,
.admin-layout {
  align-items: start;
  display: grid;
  gap: 20px;
  grid-template-columns: 320px minmax(0, 1fr);
}

.course-list {
  display: grid;
  gap: 12px;
}

.course-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: inherit;
  cursor: pointer;
  display: grid;
  font: inherit;
  gap: 8px;
  padding: 16px;
  text-align: left;
}

.empty-state {
  color: var(--cfu-muted);
  line-height: 1.5;
}

.empty-state strong {
  color: var(--cfu-gray);
  display: block;
  margin-bottom: 4px;
}

.course-card.selected {
  border-color: var(--cfu-orange);
  box-shadow: inset 4px 0 0 var(--cfu-orange);
}

.course-card small {
  color: var(--cfu-muted);
}

.status {
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.76rem;
  font-weight: 900;
  justify-self: start;
  padding: 4px 9px;
}

.active-status {
  background: #dff1df;
  color: #245e2d;
}

.warning-status {
  background: #fff0bb;
  color: #755600;
}

.draft-status {
  background: #e9def0;
  color: var(--cfu-plum);
}

.expired-status {
  background: #ececec;
  color: #505050;
}

.editor-panel {
  padding: 22px;
}

.existing-course-only {
  display: none !important;
}

body.has-existing-course .existing-course-only {
  display: flex !important;
}

body.has-existing-course .share-panel.existing-course-only {
  display: grid !important;
}

.guide-step {
  border: 1px solid transparent;
  border-radius: 10px;
  margin-top: 16px;
  padding: 14px;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    opacity 160ms ease;
}

.guide-step.active {
  background: #fff;
  border-color: var(--cfu-orange);
  box-shadow: 0 12px 28px rgba(58, 43, 64, 0.14);
  opacity: 1;
}

#guide-step-start.active {
  border-color: #355f9f;
}

#guide-step-start.active .step-panel {
  background: #eef4ff;
  border-color: #355f9f;
}

#guide-step-start .step-marker {
  background: #355f9f;
}

#guide-step-course.active {
  border-color: #38a64a;
}

#guide-step-course.active .step-panel {
  background: #f0fbf0;
  border-color: #38a64a;
}

#guide-step-course .step-marker {
  background: #2f7a3d;
}

#guide-step-folders.active,
#guide-step-upload.active {
  border-color: var(--cfu-orange);
}

.guide-step.complete {
  background: #f8faf2;
  border-color: #d9e5c0;
  opacity: 0.88;
}

.guide-step.muted {
  background: #f5f5f3;
  border-color: var(--line);
  opacity: 0.48;
}

.guide-step.muted input,
.guide-step.muted textarea,
.guide-step.muted select,
.guide-step.muted button {
  pointer-events: none;
}

.guide-step.active .step-panel {
  background: #fff7e8;
  border-color: var(--cfu-orange);
}

.guide-step.complete .step-marker {
  background: #54752b;
}

.guide-step.muted .step-marker {
  background: #9a9a9a;
}

.step-panel {
  align-items: start;
  background: #f7f3f8;
  border: 1px solid #e4d9e9;
  border-radius: 8px;
  display: grid;
  gap: 12px;
  grid-template-columns: auto minmax(0, 1fr);
  margin-top: 0;
  padding: 12px;
}

.step-panel h3,
.step-panel p {
  margin: 0;
}

.step-panel p {
  color: var(--cfu-muted);
  font-size: 0.92rem;
  line-height: 1.45;
  margin-top: 3px;
}

.step-marker {
  align-items: center;
  background: var(--cfu-plum);
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  font-weight: 900;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.compact-step {
  margin-top: 0;
}

.start-guide {
  margin-bottom: 22px;
}

.start-guide .step-panel,
#guide-step-save .step-panel {
  align-items: center;
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.course-form {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.guide-next-row {
  display: flex;
  justify-content: flex-end;
}

.form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.inline-action {
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.folder-manager {
  border-top: 1px solid var(--line);
  margin-top: 22px;
  padding-top: 2px;
}

.flow-actions {
  align-items: center;
  border-top: 1px solid var(--line);
  gap: 10px;
  justify-content: flex-end;
  margin-top: 16px;
  padding-top: 16px;
}

.share-panel {
  background: #f8faf2;
  border: 1px solid #d9e5c0;
  border-radius: 10px;
  gap: 14px;
  margin-top: 16px;
  padding: 16px;
}

.share-panel h3 {
  margin: 0;
}

.share-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 0.45fr);
}

.approval-panel {
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding-top: 22px;
}

.mini-heading h3 {
  margin: 0;
}

.mini-heading.compact {
  margin-bottom: 10px;
}

.mini-heading h4,
.approver-grid h4 {
  font-size: 1rem;
  margin: 0;
}

.manager-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.manager-list article {
  align-items: center;
  background: #f8faf2;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: flex;
  justify-content: space-between;
  padding: 12px;
}

.upload-inline-form {
  align-items: end;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(160px, 0.8fr) minmax(220px, 1.2fr) auto;
  margin-top: 14px;
}

.link-inline-form {
  align-items: end;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(120px, 0.7fr) minmax(170px, 1fr) minmax(170px, 1fr) minmax(120px, auto);
  margin-top: 14px;
  padding-top: 14px;
}

#save-course-button.saved {
  background: #2f7a3d;
  color: #fff;
}

.notice {
  background: var(--cfu-pistachio-light);
  border-left: 5px solid var(--cfu-plum);
  border-radius: 6px;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 18px;
  padding: 14px;
}

.guest-link-box,
.approver-grid,
.approval-status-strip {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.65fr);
  margin-top: 16px;
}

.approver-grid {
  align-items: start;
  grid-template-columns: 260px minmax(0, 1fr);
}

.approver-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.approver-list span {
  background: #e9def0;
  border: 1px solid #d7bfdc;
  border-radius: 999px;
  color: var(--cfu-plum);
  font-weight: 900;
  padding: 7px 10px;
}

.pending-list {
  display: grid;
  gap: 10px;
}

.pending-list article {
  align-items: center;
  background: #fffaf0;
  border: 1px solid #f0d691;
  border-radius: 6px;
  display: grid;
  gap: 10px;
  grid-template-columns: 42px 1fr auto;
  padding: 10px;
}

.approve-action {
  background: #dff1df;
  color: #245e2d;
}

.guest-upload-layout {
  align-items: start;
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
}

.intro-text {
  color: var(--cfu-muted);
  font-size: 1.15rem;
  line-height: 1.65;
  max-width: 720px;
}

.guest-upload-form {
  display: grid;
  gap: 16px;
}

.approval-status-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0;
}

.approval-status-strip article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 8px;
  min-height: 132px;
  padding: 16px;
}

.approval-status-strip strong,
.approval-status-strip small {
  display: block;
}

.approval-status-strip small {
  color: var(--cfu-muted);
}

.admin-layout {
  grid-template-columns: minmax(0, 1fr) 310px;
  margin-top: 24px;
}

.table-panel {
  overflow: auto;
}

table {
  border-collapse: collapse;
  min-width: 760px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 14px 16px;
  text-align: left;
  vertical-align: middle;
}

th {
  background: var(--cfu-gray);
  color: #fff;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.table-action {
  background: #eef3e1;
  color: var(--cfu-gray);
}

.table-action.danger {
  background: #f8ded7;
  color: #7b2414;
}

.policy-panel {
  display: grid;
  gap: 16px;
  padding: 20px;
}

.toggle-line {
  align-items: start;
  display: grid;
  font-weight: 700;
  gap: 10px;
  grid-template-columns: 18px 1fr;
}

.toggle-line input {
  min-height: 18px;
  width: 18px;
}

dialog {
  border: 0;
  padding: 0;
}

dialog::backdrop {
  background: rgba(46, 48, 51, 0.42);
}

.dialog-card {
  display: grid;
  gap: 16px;
  max-width: min(560px, calc(100vw - 32px));
  padding: 24px;
}

.dialog-card h2 {
  margin: 0;
}

.end {
  justify-content: end;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--cfu-muted);
  font-weight: 800;
  padding: 22px;
  text-align: center;
}

.site-footer a {
  color: var(--cfu-plum);
  text-decoration: none;
}

@media (max-width: 920px) {
  .student-hero,
  .workbench,
  .admin-layout,
  .guest-upload-layout,
  .guest-link-box,
  .approver-grid,
  .share-grid,
  .upload-inline-form,
  .link-inline-form {
    grid-template-columns: 1fr;
  }

  .folder-grid,
  .metrics,
  .approval-status-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar,
  .section-heading,
  .panel-header,
  .mini-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .main-nav {
    width: 100%;
  }

  .nav-link {
    flex: 1;
    text-align: center;
  }

  .code-row,
  .form-grid,
  .inline-action,
  .upload-inline-form,
  .link-inline-form,
  .folder-grid,
  .metrics,
  .approval-status-strip {
    grid-template-columns: 1fr;
  }

  .student-copy h1,
  .page-shell h1 {
    font-size: 2.2rem;
  }

  .material-item {
    grid-template-columns: 38px 1fr;
  }

  .pending-list article {
    grid-template-columns: 38px 1fr;
  }

  .pending-list .table-action {
    grid-column: 2;
  }

  .download-link {
    grid-column: 2;
  }
}