:root {
  --bk-red: #d62300;
  --bk-orange: #ff8732;
  --bk-yellow: #f5ebdc;
  --bk-brown: #502314;
  --bk-cream: #fff7eb;
  --canvas: #e9ddd1;
  --ink: #1f1a17;
  --muted: #6d625b;
  --line: #c5b3a5;
  --surface: #ffffff;
  --surface-border: #b49e8f;
  --control-border: #8b7465;
  --action: #b81e00;
  --action-hover: #8f1800;
  --focus-ring: #502314;
  --accent-text: #8a4300;
  --success: #1d7f43;
  --danger: #b42318;
  --shadow: 0 8px 18px rgba(80, 35, 20, 0.12);
}

/* Course authoring: a stable outline, focused content and explicit publication. */
.course-workspace { border: 1px solid var(--surface-border); border-radius: 12px; background: var(--surface); }
.course-workspace__header { padding: 22px 24px 12px; }
.course-workspace__header h2 { margin: 16px 0 6px; }
.course-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-block: 1px solid var(--line); }
.course-steps > * { padding: 14px 18px; color: var(--muted); background: var(--bk-cream); text-decoration: none; font-weight: 700; }
.course-steps a { color: var(--bk-brown); }
.course-steps [aria-current] { color: var(--action); background: var(--surface); box-shadow: inset 0 -3px var(--action); }
.course-workspace__body--editor { display: grid; grid-template-columns: 300px minmax(0, 1fr); }
.course-workspace__main { padding: 24px; min-width: 0; }
.course-workspace__main h3 { margin-top: 0; }
.course-workspace__main form { max-width: none; }
.course-workspace__main input, .course-workspace__main textarea, .course-workspace__main select { min-width: 0; max-width: 100%; }
.course-workspace__main details > summary { padding: 12px 0; cursor: pointer; font-weight: 700; }
.course-outline { padding: 20px 14px; background: var(--bk-cream); border-right: 1px solid var(--line); border-radius: 0 0 0 12px; min-width: 0; }
.course-outline > summary { display: none; }
.course-outline:not([open]) > .course-outline__body { display: block; }
.course-outline h3 { margin: 0; font-size: 1rem; }
.course-outline__module { margin: 18px 0; border: 1px solid var(--surface-border); border-radius: 8px; background: var(--surface); }
.course-outline__module-header { display: flex; align-items: flex-start; gap: 4px; padding: 4px; background: #ead9ca; border-radius: 8px 8px 0 0; }
.course-outline__module-header h4 { flex: 1; min-width: 0; margin: 0; font-size: 1rem; }
.course-outline .course-outline__toggle { display: flex; align-items: flex-start; justify-content: flex-start; gap: 8px; width: 100%; padding: 8px 4px; text-align: left; color: var(--bk-brown); background: transparent; border: 0; border-radius: 4px; box-shadow: none; }
.course-outline .course-outline__toggle:hover { background: #dfc7b4; }
.course-outline__module-title { min-width: 0; overflow-wrap: anywhere; }
.course-outline__module-title strong, .course-outline__module-title small { display: block; }
.course-outline__module-title small { font-size: .75rem; font-weight: 400; }
.course-outline__chevron { flex: 0 0 auto; }
.course-outline__toggle[aria-expanded="false"] .course-outline__chevron { transform: rotate(-90deg); }
.course-outline__topics { margin-left: 12px; border-left: 2px solid var(--line); }
.course-outline__topic { display: flex; align-items: flex-start; gap: 2px; padding-right: 4px; border-bottom: 1px solid var(--line); }
.course-outline__topic.is-active { background: #f9e5d9; box-shadow: -2px 0 var(--action); }
.course-outline__link { display: block; flex: 1; min-width: 0; padding: 12px 8px; color: var(--ink); text-decoration: none; overflow-wrap: anywhere; }
.course-outline__link strong, .course-outline__link small { display: block; }
.course-outline__link small { color: var(--muted); margin-top: 3px; }
.course-outline__link:hover, .course-outline__link.is-active { background: #f9e5d9; }
.course-outline__module-footer { padding: 10px; }
.course-outline__empty { padding: 4px 12px; color: var(--muted); font-size: .85rem; }
.course-outline .course-outline__add { width: 100%; justify-content: flex-start; text-align: left; white-space: normal; }
.course-outline__actions { position: relative; flex: 0 0 36px; margin-top: 4px; }
.course-outline__actions > summary { display: grid; place-items: center; width: 36px; min-height: 40px; cursor: pointer; list-style: none; border-radius: 5px; font-size: 1.3rem; font-weight: 700; color: var(--bk-brown); }
.course-outline__actions > summary::-webkit-details-marker { display: none; }
.course-outline__actions > summary:hover, .course-outline__actions[open] > summary { background: #dfc7b4; }
.course-outline__actions[open] { z-index: 5; }
.course-outline__menu { position: absolute; z-index: 5; right: 0; top: 100%; width: 208px; max-width: calc(100vw - 80px); padding: 6px; background: var(--surface); border: 1px solid var(--control-border); border-radius: 6px; box-shadow: var(--shadow); }
.course-outline__menu .button-secondary { display: block; width: 100%; margin: 0; padding: 10px; text-align: left; border: 0; font-size: .875rem; }
.course-outline [data-outline-status]:empty { display: none; }
.course-notice { padding: 14px 16px; background: var(--bk-cream); border-left: 3px solid var(--action); border-radius: 4px; }
.course-empty { padding: 20px 0; }
.course-empty .button-primary { margin-top: 12px; }
.course-module-summary, .course-review-topic, .course-question { padding: 16px 0; border-bottom: 1px solid var(--line); }
.course-topic-summary { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 12px 0; }
.course-bottom-actions { display: flex; justify-content: flex-end; gap: 12px; flex-wrap: wrap; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); }
.course-blocks { list-style: none; padding: 0; }
.course-block { border: 1px solid var(--surface-border); border-radius: 8px; padding: 18px; margin-bottom: 14px; }
.course-block--archived { background: var(--bk-cream); }
.course-block__excerpt { overflow-wrap: anywhere; }
.course-block__options > summary { font-size: .9rem; }
.course-block .section-heading > strong { overflow-wrap: anywhere; }
.course-add-content, .course-test { padding: 12px 0; border-top: 1px solid var(--line); margin-top: 18px; }
.content-type-choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 12px 0 20px; }
.content-type-choices button { text-align: left; color: var(--ink); background: var(--surface); border: 1px solid var(--control-border); }
.content-type-choices button[aria-pressed="true"] { background: var(--bk-cream); box-shadow: inset 3px 0 var(--action); }
.content-type-choices small { display: block; color: var(--muted); font-weight: 400; margin-top: 4px; }
.course-upload { padding: 12px; background: var(--bk-cream); border-radius: 8px; }
.course-review-blocks { margin-left: 26px; }
.course-review-blocks .form-error { display: block; }
.course-review-topic label.checkbox { align-items: flex-start; }
.course-review-topic input[type="checkbox"] { margin-top: 5px; }
.course-preview-role { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; }
.course-preview-role label { margin: 0; flex: 1; }
.course-preview-topic { border-top: 1px solid var(--line); margin-top: 24px; }
.course-answer-row { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.course-answer-row input[type="text"] { flex: 1; width: 0; }
.course-answer-row input[type="checkbox"], .course-answer-row input[type="radio"] { width: 22px; height: 22px; flex: 0 0 22px; }
.course-workspace [hidden] { display: none !important; }
@media (min-width: 901px) and (max-width: 1200px) { .course-workspace__body--editor { grid-template-columns: 260px minmax(0, 1fr); } .course-workspace__main { padding: 18px; } }
@media (max-width: 900px) {
  html.course-authoring-page { min-width: 0; }
  .course-authoring-page .app-bar { position: static; }
  .course-workspace__body--editor { grid-template-columns: minmax(0, 1fr); }
  .course-outline { border-right: 0; border-bottom: 1px solid var(--line); border-radius: 0; }
  .course-outline > summary { display: list-item; cursor: pointer; padding: 8px 0; font-weight: 700; }
  .course-outline:not([open]) > .course-outline__body { display: none; }
}
@media (max-width: 720px) {
  .course-workspace__body--editor { grid-template-columns: minmax(0, 1fr); }
  .course-outline { border-right: 0; border-bottom: 1px solid var(--line); }
  .course-outline > summary { display: list-item; cursor: pointer; padding: 8px 0; font-weight: 700; }
  .course-outline:not([open]) > .course-outline__body { display: none; }
  .course-steps { grid-template-columns: minmax(0, 1fr); }
  .course-steps > * { padding: 12px 16px; }
  .course-workspace__header, .course-workspace__main { padding: 16px; }
  .content-type-choices { grid-template-columns: minmax(0, 1fr); }
  .course-bottom-actions { justify-content: flex-start; }
  .course-review-blocks { margin-left: 0; }
  .course-answer-row { flex-wrap: wrap; }
  .course-outline__actions { flex-basis: 48px; }
  .course-outline__actions > summary { width: 48px; min-height: 48px; }
}

.markdown-editor { margin: 18px 0; min-width: 0; }
.markdown-editor > label { margin-bottom: 8px; }
.markdown-editor__modes, .markdown-editor__toolbar { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px; border: 1px solid var(--line); background: var(--bk-cream); }
.markdown-editor__modes { border-radius: 8px 8px 0 0; }
.markdown-editor__toolbar { border-top: 0; }
.markdown-editor .button-secondary { width: auto; padding: 8px 10px; min-height: 40px; font-size: .85rem; }
.markdown-editor__modes [aria-pressed="true"] { background: var(--bk-brown); color: white; border-color: var(--bk-brown); }
.markdown-editor [data-markdown-action="bold"] { font-weight: 800; }
.markdown-editor [data-markdown-action="italic"] { font-style: italic; }
.markdown-editor textarea { display: block; width: 100%; margin: 0; min-height: 180px; border-radius: 0 0 8px 8px; }
.markdown-editor__preview { min-height: 180px; padding: 16px; border: 1px solid var(--control-border); border-radius: 0 0 8px 8px; overflow-wrap: anywhere; }
.markdown-editor__preview > :first-child { margin-top: 0; }
.markdown-editor__preview pre { white-space: pre-wrap; }
.markdown-editor__preview a { color: var(--action); text-decoration: underline; }
.markdown-editor [data-markdown-message]:empty { display: none; }
@media (max-width: 720px) { .markdown-editor .button-secondary { min-height: 48px; } }

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: "Trebuchet MS", "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.5;
}

a {
  color: var(--bk-red);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 18px 24px 0;
}

.app-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  width: min(1240px, 100%);
  margin: 0 auto;
  padding: 12px 14px;
  border: 1px solid var(--surface-border);
  border-radius: 24px;
  background: rgb(255 255 255 / 96%);
  box-shadow: 0 10px 24px rgb(80 35 20 / 12%);
}

.topbar form {
  display: block;
}

.topbar-actions,
.topnav {
  align-items: center;
  display: flex;
  gap: 12px;
}

.topbar-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.app-brand {
  align-items: center;
  color: var(--bk-brown);
  display: inline-flex;
  gap: 12px;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.app-brand__logo {
  display: block;
  flex: 0 0 auto;
  height: 44px;
  object-fit: contain;
  width: 44px;
}

.brand {
  text-decoration: none;
}

.page {
  width: min(1180px, calc(100% - 32px));
  margin: 28px auto 48px;
}

h1,
h2,
h3 {
  color: var(--bk-brown);
  line-height: 1.2;
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(1.8rem, 3vw, 2.45rem);
}

h2 {
  font-size: 1.35rem;
}

h3 {
  font-size: 1.05rem;
  margin-top: 20px;
}

p {
  margin: 0 0 14px;
}

.auth-panel,
.item-card,
.content-block {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 20px;
}

.auth-panel {
  max-width: 460px;
  margin: 48px auto;
}

.profile-grid {
  display: grid;
  gap: 20px;
}

.manual-secret,
.recovery-code {
  background: var(--surface-muted, #f6f3ef);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.08em;
  overflow-wrap: anywhere;
  padding: 10px;
}

.two-factor-setup {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
}

.two-factor-qr {
  display: block;
  height: auto;
  max-width: 100%;
}

.recovery-code-list {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  padding: 0;
}

@media (max-width: 720px) {
  .two-factor-setup,
  .recovery-code-list {
    grid-template-columns: 1fr;
  }
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

label.checkbox {
  align-items: center;
  display: inline-flex;
  gap: 8px;
}

label.checkbox input[type="checkbox"] {
  flex: 0 0 auto;
  margin: 0;
  width: auto;
}

.form-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.form-actions--split .button-secondary {
  margin-left: auto;
}

.quiz-answer-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

label.answer-option {
  align-items: flex-start;
  display: flex;
  gap: 10px;
  font-weight: 700;
  line-height: 1.45;
  margin: 0;
}

label.answer-option input[type="checkbox"] {
  flex: 0 0 auto;
  margin: 0.28em 0 0;
  width: auto;
}

.form-hint {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: -4px;
}

.slideshow-picker {
  display: grid;
  gap: 12px;
}

.slideshow-picker[hidden] {
  display: none;
}

.slideshow-picker h4 {
  color: var(--bk-brown);
  font-size: 1rem;
  margin: 0;
}

.slideshow-picker__add-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.slideshow-picker__add-row select {
  flex: 1 1 auto;
}

.slideshow-picker__add-row .button-secondary {
  flex: 0 0 auto;
  white-space: nowrap;
}

.slideshow-picker__slides {
  display: grid;
  gap: 10px;
}

.slideshow-picker__slide {
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
  padding: 12px;
}

.slideshow-picker__slide label {
  display: grid;
  gap: 6px;
}

.slideshow-picker__manual summary {
  color: var(--bk-brown);
  cursor: pointer;
  font-weight: 800;
}

.tabs-editor {
  display: grid;
  gap: 12px;
}

.tabs-editor[hidden],
.tabs-editor [hidden] {
  display: none;
}

.tabs-editor__header,
.tabs-editor__detail-header {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

.tabs-editor__header h4,
.tabs-editor__detail-header h4 {
  color: var(--bk-brown);
  margin: 0;
}

.tabs-editor__layout {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.75fr);
}

.tabs-editor__pages,
.tabs-editor__detail {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.tabs-editor__pages ol {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tabs-editor__page {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 8px;
}

.tabs-editor__page.is-active {
  border-color: var(--bk-red);
  box-shadow: inset 4px 0 var(--bk-red);
}

.tabs-editor__select {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--ink);
  display: grid;
  gap: 8px;
  grid-template-columns: auto minmax(0, 1fr);
  padding: 0;
  text-align: left;
}

.tabs-editor__select span:last-child {
  display: grid;
  min-width: 0;
}

.tabs-editor__select strong,
.tabs-editor__select small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tabs-editor__move {
  display: flex;
  gap: 4px;
}

.tabs-editor__move button {
  padding: 5px 8px;
}

.tabs-editor__detail {
  display: grid;
  gap: 12px;
}

.tabs-editor__detail label,
.tabs-editor [data-tab-image-fields]:not([hidden]) {
  display: grid;
  gap: 6px;
}

.tabs-editor__preview {
  background: var(--bk-cream);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 0;
  padding: 8px;
}

.tabs-editor__preview img {
  max-height: 180px;
  object-fit: contain;
}

.tabs-editor textarea {
  min-height: 150px;
}

.usage-list {
  margin: 6px 0 0;
  padding-left: 18px;
}

fieldset {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 0 0 14px;
  padding: 14px;
}

legend {
  color: var(--bk-brown);
  font-weight: 800;
  padding: 0 8px;
}

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

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 2px solid var(--control-border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  padding: 10px 12px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button,
.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  max-width: 100%;
  min-height: 48px;
  border: 0;
  border-radius: 6px;
  background: var(--action);
  color: var(--surface);
  padding: 10px 14px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  overflow-wrap: anywhere;
}

button:hover,
.button-primary:hover {
  background: var(--action-hover);
}

button:disabled,
.button-primary:disabled,
.button-secondary:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.topbar .app-nav__link {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  color: var(--bk-brown);
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 48px;
  padding: 0 16px;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
  width: auto;
}

.topbar .app-nav__link:hover {
  background: var(--surface);
  box-shadow: 0 12px 28px rgb(80 35 20 / 8%);
  transform: translateY(-1px);
}

.topbar .app-nav__link.is-active,
.topbar .app-nav__link--logout {
  background: var(--action);
  border-color: transparent;
  color: var(--surface);
  box-shadow: 0 12px 24px rgb(214 35 0 / 24%);
}

.topbar .app-nav__link--accent:not(.is-active) {
  background: var(--bk-yellow);
}

.button-secondary {
  border: 2px solid var(--control-border);
  background: var(--surface);
  color: var(--bk-brown);
}

.button-secondary:hover {
  border-color: var(--bk-brown);
  background: var(--bk-yellow);
}

.button-danger {
  background: var(--danger);
}

.button-danger:hover {
  background: #8f1c14;
}

.toolbar,
.section-heading {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin: 16px 0;
}

.admin-shell {
  align-items: start;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(230px, 260px) minmax(0, 1fr);
}

.admin-shell--collapsed {
  grid-template-columns: 84px minmax(0, 1fr);
}

.admin-menu-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 18px 16px;
  position: sticky;
  top: 112px;
}

.admin-shell--collapsed .admin-menu-card {
  padding: 14px 10px;
}

.admin-menu-card__header {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 8px;
  padding: 2px 8px 14px;
}

.admin-shell--collapsed .admin-menu-card__header {
  justify-content: center;
  padding: 2px 0 12px;
}

.admin-menu-card__header h1 {
  font-size: 1.05rem;
  margin: 0;
}

.admin-shell--collapsed .admin-menu-card__header h1,
.admin-shell--collapsed .admin-menu-card__header span {
  display: none;
}

.admin-menu-card__header span {
  background: #fff1df;
  border-radius: 999px;
  color: var(--accent-text);
  font-size: 0.875rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 2px 8px;
}

.admin-menu {
  display: grid;
  gap: 6px;
  padding-top: 8px;
}

.admin-menu__link {
  align-items: center;
  border-radius: 8px;
  color: var(--bk-brown);
  display: grid;
  gap: 12px;
  grid-template-columns: 28px minmax(0, 1fr);
  font-weight: 800;
  min-height: 48px;
  padding: 8px 10px;
  text-decoration: none;
  transition: background-color 0.18s ease, box-shadow 0.18s ease, color 0.18s ease;
}

.admin-shell--collapsed .admin-menu__link {
  gap: 0;
  grid-template-columns: 1fr;
  justify-items: center;
  min-height: 48px;
  padding: 8px;
}

.admin-menu__link:hover {
  background: var(--bk-yellow);
}

.admin-menu__link.is-active {
  background: var(--action);
  box-shadow: 0 8px 18px rgb(214 35 0 / 18%);
  color: var(--surface);
}

.admin-menu__link.is-active:hover {
  background: var(--action-hover);
}

.admin-menu__icon {
  color: inherit;
  display: inline-flex;
  font-size: 1rem;
  justify-content: center;
  line-height: 1;
}

.admin-shell--collapsed .admin-menu__icon {
  font-size: 1.1rem;
}

.admin-shell--collapsed .admin-menu__label {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.admin-content {
  min-width: 0;
}

.admin-page-header {
  align-items: flex-start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 18px;
}

.admin-page-header h2 {
  margin-bottom: 6px;
}

.admin-page-header p {
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 0;
}

.admin-page-header .inline-actions {
  flex: 0 0 auto;
  justify-content: flex-end;
  margin-bottom: 0;
}

.admin-overview {
  max-width: 640px;
}

.admin-stats {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.admin-stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 8px;
  padding: 18px;
}

.admin-stat span {
  color: var(--muted);
  font-weight: 800;
}

.admin-stat strong {
  color: var(--bk-brown);
  font-size: 2rem;
  line-height: 1;
}

.dashboard-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 22px;
}

.action-card {
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
}

.action-card strong {
  color: var(--bk-brown);
  font-size: 1.05rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--bk-yellow);
  color: var(--bk-brown);
  font-weight: 800;
}

tr:last-child td {
  border-bottom: 0;
}

.media-folders {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  margin: 0 0 20px;
}

.media-folder {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--bk-brown);
  display: flex;
  font-weight: 800;
  gap: 12px;
  justify-content: space-between;
  padding: 12px 14px;
  text-decoration: none;
}

.media-folder:hover,
.media-folder:focus-visible,
.media-folder.is-active {
  border-color: var(--bk-orange);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--bk-orange) 18%, transparent);
}

.media-folder.is-active {
  background: var(--bk-cream);
}

.media-folder strong {
  background: var(--bk-orange);
  border-radius: 999px;
  color: var(--surface);
  min-width: 2rem;
  padding: 3px 8px;
  text-align: center;
}

.media-thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: block;
  background: var(--surface);
}

.media-thumb-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  font-size: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

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

.course-grid {
  align-items: start;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.course-card {
  padding: 0;
}

.course-card-summary {
  cursor: pointer;
  display: grid;
  gap: 8px;
  list-style: none;
  padding: 20px;
}

.course-card-summary::-webkit-details-marker {
  display: none;
}

.course-card-body {
  border-top: 1px solid var(--line);
  padding: 0 20px 20px;
}

.course-card-body > :first-child {
  margin-top: 16px;
}

/* Use one gap between Markdown blocks so blank lines add predictable spacing. */
.markdown-content :where(p, h1, h2, h3, h4, h5, h6, ul, ol, blockquote, pre, hr) {
  margin-block: 0;
}

.markdown-content :where(p, h1, h2, h3, h4, h5, h6, ul, ol, blockquote, pre, hr) ~ :where(p, h1, h2, h3, h4, h5, h6, ul, ol, blockquote, pre, hr),
.markdown-content li + li:has(> p) {
  margin-top: 14px;
}

.markdown-content > :first-child {
  margin-top: 0;
}

.markdown-content > :last-child {
  margin-bottom: 0;
}

.markdown-content pre {
  max-width: 100%;
  overflow-x: auto;
}

.markdown-content .markdown-blank-line {
  height: 1.5em;
  height: 1lh;
}

.course-card-header {
  display: block;
}

.course-card-title {
  min-block-size: 2.4em;
  display: block;
  color: var(--bk-brown);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.2;
  width: 100%;
}

.course-progress {
  color: var(--muted);
  font-weight: 800;
}

.course-card-toggle {
  color: var(--bk-red);
  font-size: 0.92rem;
  font-weight: 800;
}

.course-card-actions {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

.course-card-toggle::before {
  content: "Öffnen";
}

.course-card[open] .course-card-toggle::before {
  content: "Schließen";
}

.status-marker,
.topic-done-marker {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.875rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}

.status-marker {
  background: #e7f5ec;
  color: var(--success);
  padding: 7px 10px;
}

.status-marker--due {
  background: #fff0dc;
  color: #9a4d00;
  white-space: normal;
}

.course-repeat-action {
  color: var(--bk-red);
  font-weight: 800;
}

.status-icon {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 1rem;
  font-weight: 900;
  height: 30px;
  justify-content: center;
  line-height: 1;
  width: 30px;
}

.status-icon--success {
  background: #e7f5ec;
  color: var(--success);
}

.status-icon--failed {
  background: #fde8e4;
  color: var(--danger);
}

.status-icon--pending {
  background: #fff3d9;
  color: #8a5a00;
}

.status-icon--open {
  background: #eceef1;
  color: #5b6570;
}

.topic-status-list {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.topic-status-list li {
  align-items: center;
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.topic-done-marker {
  border: 1px solid #b8e1c4;
  color: var(--success);
  padding: 5px 8px;
}

.topic-link {
  min-height: 36px;
}

.item-row {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--bk-brown);
  font-weight: 800;
  padding: 14px 16px;
  text-decoration: none;
  box-shadow: var(--shadow);
}

.item-row span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  text-align: right;
}

.inline-actions,
.module-header,
.topic-row {
  display: flex;
  gap: 12px;
}

.inline-actions {
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.module-header,
.topic-row {
  align-items: flex-start;
  justify-content: space-between;
}

.module-card {
  background: var(--surface);
  border-left: 4px solid #c96f2d;
  padding-left: 16px;
}

.module-card .module-header {
  border-bottom: 1px solid var(--line);
  margin-bottom: 10px;
  padding-bottom: 14px;
}

.module-card .topic-list {
  border-left: 2px solid #efd8c3;
  margin-left: 8px;
  padding-left: 14px;
}

.module-header h4 {
  color: var(--bk-brown);
  font-size: 1.02rem;
  margin: 0 0 8px;
}

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

.topic-row {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.topic-row button[data-move-topic],
.module-header button[data-move-module],
.block-list__move button {
  flex: 0 0 48px;
  min-height: 48px;
  padding: 0;
  width: 48px;
}

.topic-row .inline-actions {
  margin-bottom: 0;
}

.topic-row-main {
  display: grid;
  gap: 3px;
  min-width: 180px;
}

.topic-row-main strong {
  color: var(--bk-brown);
}

.topic-row-main > span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.editor-flow {
  display: grid;
  gap: 16px;
  align-items: start;
}

.editor-flow h3 {
  margin-top: 0;
}

.editor-side-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  gap: 12px;
  padding: 16px;
}

.editor-add-panel {
  grid-template-columns: repeat(2, minmax(220px, 1fr));
}

.editor-add-panel h3,
.editor-add-panel .editor-field--wide,
.editor-add-panel .form-hint,
.editor-add-panel .slideshow-picker,
.editor-add-panel .tabs-editor,
.editor-add-panel .button-primary {
  grid-column: 1 / -1;
}

.editor-add-panel textarea {
  min-height: 88px;
}

.topic-media-upload {
  margin-top: 24px;
}

.block-list {
  counter-reset: block;
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.block-list__item {
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  counter-increment: block;
  display: grid;
  gap: 12px;
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  padding: 12px;
}

.block-list__item::before {
  color: var(--muted);
  content: counter(block) ".";
  font-weight: 800;
  padding-top: 8px;
}

.block-list__move {
  display: flex;
  gap: 4px;
}

.block-list__summary {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.block-list__summary strong {
  color: var(--bk-brown);
}

.block-list__summary span,
.block-list__summary p {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  margin: 0;
}

.block-list__item .inline-actions {
  justify-content: flex-end;
  margin-bottom: 0;
}

.content-block,
.item-card {
  margin-bottom: 16px;
}

.content-block aside {
  border-left: 5px solid var(--bk-orange);
  background: var(--bk-yellow);
  border-radius: 6px;
  padding: 14px;
}

.content-block aside.callout--information {
  border-left-color: var(--success);
  background: rgb(29 127 67 / 12%);
}

.image-block {
  align-items: start;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
}

.image-block--left .image-frame {
  order: 2;
}

.image-block--left .image-copy {
  order: 1;
}

.image-block--top,
.image-block--bottom {
  grid-template-columns: 1fr;
}

.image-block--top .image-frame {
  order: 2;
}

.image-block--top .image-copy {
  order: 1;
}

.image-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin: 0;
  padding: 10px;
}

.image-frame img {
  width: 100%;
}

.image-frame--scale-25,
.image-frame--scale-50,
.image-frame--scale-75 {
  box-sizing: border-box;
}

.image-frame--scale-25 { width: 25%; }
.image-frame--scale-50 { width: 50%; }
.image-frame--scale-75 { width: 75%; }

.image-block--scale-25 { --image-scale: 0.25; }
.image-block--scale-50 { --image-scale: 0.5; }
.image-block--scale-75 { --image-scale: 0.75; }

@media (min-width: 801px) {
  .image-block--scaled.image-block--right {
    grid-template-columns: minmax(calc(260px * var(--image-scale)), calc(420px * var(--image-scale))) minmax(0, 1fr);
  }

  .image-block--scaled.image-block--left {
    /* Scale the existing right-hand image column; give its freed width to the text. */
    grid-template-columns: minmax(0, 1fr) minmax(0, calc((100% - min(420px, calc(100% - 24px)) - 24px) * var(--image-scale)));
  }

  .image-block--scaled:is(.image-block--left, .image-block--right) > .image-frame {
    width: 100%;
  }
}

.slide.image-frame {
  display: inline-block;
  max-width: 100%;
  width: fit-content;
}

.slide.image-frame img {
  display: block;
  max-width: 100%;
  width: auto;
}

.slideshow-layout {
  align-items: start;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(260px, max-content) minmax(220px, 1fr);
}

.slideshow-stage {
  min-width: 0;
}

.slideshow-copy {
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.55;
  padding-top: 10px;
}

.slide figcaption {
  margin-top: 10px;
}

.slideshow-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.image-copy h2 {
  margin-top: 0;
}

.image-copy p {
  color: var(--ink);
  font-size: 1.02rem;
  margin-bottom: 0;
}

.tabs-block__list {
  border-bottom: 2px solid var(--bk-red);
  display: flex;
  gap: 5px;
  max-width: 100%;
  overflow-x: auto;
  padding: 0 2px;
  scrollbar-width: thin;
}

.tabs-block__tab {
  background: var(--bk-cream);
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  color: var(--bk-brown);
  flex: 0 0 auto;
  font-weight: 800;
  padding: 10px 13px;
  white-space: nowrap;
  width: auto;
}

.tabs-block__tab[aria-selected="true"] {
  background: var(--bk-red);
  border-color: var(--bk-red);
  color: white;
}

.tabs-block__tab.is-visited::before {
  color: var(--success);
  content: "✓ ";
}

.tabs-block__tab.is-visited[aria-selected="true"]::before {
  color: white;
}

.tabs-block__panel {
  padding: 20px 4px 8px;
}

.tabs-block__panel[hidden] {
  display: none;
}

.tabs-block__panel h3 {
  color: var(--bk-brown);
  margin-top: 0;
}

.tabs-block__progress {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  margin: 12px 0 0;
}

.tabs-block .image-block--left .image-frame,
.tabs-block .image-block--top .image-frame {
  order: 1;
}

.tabs-block .image-block--left .image-copy,
.tabs-block .image-block--top .image-copy {
  order: 2;
}

.tabs-block .image-block--right .image-frame,
.tabs-block .image-block--bottom .image-frame {
  order: 2;
}

.tabs-block .image-block--right .image-copy,
.tabs-block .image-block--bottom .image-copy {
  order: 1;
}

.flash {
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 16px;
  background: var(--bk-yellow);
}

.flash-success {
  border-left: 5px solid var(--success);
}

.flash-error {
  border-left: 5px solid var(--danger);
}

[hidden] {
  display: none !important;
}

@media (max-width: 800px) {
  .topbar,
  .app-bar__inner,
  .topbar-actions,
  .topnav,
  .admin-page-header,
  .toolbar,
  .section-heading,
  .item-row,
  .course-card-header,
  .topic-status-list li,
  .module-header,
  .topic-row {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar {
    padding: 14px 16px;
  }

  .app-bar__inner {
    padding: 12px;
  }

  .app-brand__logo {
    height: 36px;
    width: 36px;
  }

  .page {
    width: min(100% - 24px, 1180px);
    margin-top: 20px;
  }

  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-menu-card {
    position: static;
  }

  .admin-shell--collapsed .admin-menu-card {
    padding: 18px 16px;
  }

  .admin-shell--collapsed .admin-menu-card__header {
    justify-content: space-between;
    padding: 2px 8px 14px;
  }

  .admin-shell--collapsed .admin-menu-card__header h1,
  .admin-shell--collapsed .admin-menu-card__header span {
    display: initial;
  }

  .admin-shell--collapsed .admin-menu__link {
    gap: 12px;
    grid-template-columns: 28px minmax(0, 1fr);
    justify-items: stretch;
    padding: 8px 10px;
  }

  .admin-shell--collapsed .admin-menu__label {
    clip: auto;
    clip-path: none;
    height: auto;
    overflow: visible;
    position: static;
    white-space: normal;
    width: auto;
  }

  .editor-flow,
  .editor-add-panel {
    grid-template-columns: 1fr;
  }

  .admin-page-header .inline-actions {
    justify-content: stretch;
  }

  .module-card {
    padding-left: 14px;
  }

  .module-card .topic-list {
    margin-left: 0;
    padding-left: 10px;
  }

  .block-list__item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .block-list__move {
    grid-column: 1 / -1;
  }

  .block-list__summary,
  .block-list__item .inline-actions {
    grid-column: 1 / -1;
  }

  .image-block {
    grid-template-columns: 1fr;
  }

  .slideshow-layout {
    grid-template-columns: 1fr;
  }

  .slideshow-copy {
    padding-top: 0;
  }

  .slideshow-picker__add-row,
  .slideshow-picker__slide {
    align-items: stretch;
    grid-template-columns: 1fr;
  }

  .slideshow-picker__add-row {
    flex-direction: column;
  }

  .tabs-editor__layout {
    grid-template-columns: 1fr;
  }

  .tabs-editor__header,
  .tabs-editor__detail-header,
  .tabs-editor__page {
    align-items: stretch;
  }

  .form-actions--split .button-secondary {
    margin-left: 0;
  }

  table {
    display: block;
    overflow-x: auto;
  }

  button,
  .button-primary,
  .button-secondary {
    width: 100%;
  }

  .topic-row button[data-move-topic],
  .module-header button[data-move-module],
  .block-list__move button {
    width: 48px;
  }
}

/* Learning area (Lernbereich) */
.learn-hero {
  background: var(--action);
  border-bottom: 6px solid var(--bk-orange);
  border-radius: 24px;
  box-shadow: 0 12px 26px rgb(80 35 20 / 18%);
  color: var(--surface);
  margin-bottom: 26px;
  padding: 30px 32px;
}

.learn-hero__eyebrow {
  display: inline-block;
  background: rgb(255 255 255 / 18%);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  margin-bottom: 12px;
  padding: 5px 12px;
  text-transform: uppercase;
}

.learn-hero h1 {
  color: var(--surface);
  margin: 0 0 8px;
}

.learn-hero .welcome-text {
  color: var(--surface);
  font-size: 1.08rem;
  margin: 0;
}

.course-grid {
  gap: 18px;
}

.course-card.item-card {
  border-color: var(--surface-border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.course-card:not([open]):hover {
  border-color: var(--control-border);
  box-shadow: 0 12px 26px rgb(80 35 20 / 16%);
  transform: translateY(-3px);
}

.course-card-summary {
  position: relative;
  padding: 22px 22px 20px;
}

.course-card-summary::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--bk-red), var(--bk-orange));
}

.course-card[data-course-completed="true"] .course-card-summary::before {
  background: linear-gradient(90deg, var(--success), #38b06a);
}

.course-progress-bar {
  display: block;
  height: 8px;
  width: 100%;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
}

.course-progress-bar__fill {
  display: block;
  height: 100%;
  min-width: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--bk-red), var(--bk-orange));
  transition: width 0.3s ease;
}

.course-progress-bar--done .course-progress-bar__fill {
  background: linear-gradient(90deg, var(--success), #38b06a);
}

.topic-status-list li {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  gap: 8px;
  padding: 4px 12px 4px 4px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.topic-status-list li:hover {
  border-color: rgb(255 135 50 / 55%);
  box-shadow: 0 10px 20px rgb(80 35 20 / 8%);
  transform: translateY(-1px);
}

.topic-status-list .topic-link {
  flex: 1 1 auto;
  justify-content: flex-start;
  gap: 10px;
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: var(--bk-brown);
  padding: 10px 6px 10px 10px;
  text-align: left;
}

.topic-status-list .topic-link::before {
  content: "";
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--bk-orange);
}

.topic-status-list .is-done .topic-link::before {
  background: var(--success) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8.5l3.5 3.5L13 4'/%3E%3C/svg%3E") center / 11px no-repeat;
  border-color: var(--success);
}

.topic-status-list .topic-link::after {
  content: "\2192";
  color: var(--bk-red);
  font-weight: 900;
  margin-left: auto;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.topic-status-list li:hover .topic-link::after {
  opacity: 1;
  transform: translateX(0);
}

.topic-done-marker::before {
  content: "\2713";
  margin-right: 5px;
  font-weight: 900;
}

/* Topic view (Lerninhalt) */
.topic .inline-actions > .button-secondary::before {
  content: "\2190";
  font-weight: 900;
  margin-right: 8px;
}

.topic-header {
  border-bottom: 2px solid var(--line);
  margin-bottom: 26px;
  padding-bottom: 20px;
}

.topic-header__eyebrow {
  display: inline-block;
  background: #fff1df;
  border-radius: 999px;
  color: var(--accent-text);
  font-size: 0.875rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  padding: 5px 12px;
  text-transform: uppercase;
}

.topic-header h1 {
  margin: 0;
}

.topic-lead {
  color: var(--muted);
  font-size: 1.08rem;
  margin: 12px 0 0;
  max-width: 68ch;
}

.topic-progress-card {
  background: #fff8ee;
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  box-shadow: 0 12px 26px rgb(80 35 20 / 7%);
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
  padding: 18px 22px;
}

.topic-progress-card.is-complete {
  background: #f1faf4;
  border-color: #b8e1c4;
}

.topic-progress-card__header,
.topic-progress-card__details {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
}

.topic-progress-card__header strong {
  color: var(--bk-brown);
}

.topic-progress-card.is-complete .topic-progress-card__header strong,
.topic-progress-card.is-complete .topic-progress-card__header span {
  color: var(--success);
}

.topic-progress-card__header span {
  color: var(--bk-red);
  font-weight: 900;
}

.topic-progress-card__details {
  color: var(--muted);
  flex-wrap: wrap;
  font-size: 0.92rem;
  font-weight: 700;
}

.topic .content-block {
  border-color: var(--surface-border);
  border-radius: 16px;
  box-shadow: 0 12px 26px rgb(80 35 20 / 7%);
  margin-bottom: 20px;
  padding: 26px;
}

.topic .content-block aside {
  border-radius: 12px;
  padding: 16px 18px;
}

.topic .image-frame {
  border-radius: 14px;
}

.topic .image-frame img,
.topic video {
  border-radius: 10px;
}

.topic fieldset {
  border-color: var(--surface-border);
  border-radius: 14px;
  padding: 18px;
}

.topic .answer-option {
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  cursor: pointer;
  margin: 0;
  padding: 12px 14px;
  transition: border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.topic .answer-option:hover {
  background: var(--bk-yellow);
  border-color: var(--bk-orange);
}

.topic .answer-option:has(input:checked) {
  background: #fff1ea;
  border-color: var(--bk-red);
  box-shadow: 0 6px 14px rgb(214 35 0 / 10%);
}

.topic .item-card {
  border-color: var(--surface-border);
  border-radius: 16px;
  box-shadow: 0 12px 26px rgb(80 35 20 / 7%);
  padding: 26px;
}

.test-result {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-weight: 800;
  gap: 8px;
  padding: 8px 14px;
}

.test-result::before {
  font-weight: 900;
}

.test-result.is-pass {
  background: #e7f5ec;
  color: var(--success);
}

.test-result.is-pass::before {
  content: "\2713";
}

.test-result.is-fail {
  background: #fde8e4;
  color: var(--danger);
}

.test-result.is-fail::before {
  content: "\2717";
}

/* Admin course list */
.badge {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.875rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  padding: 4px 11px;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge--published {
  background: #e7f5ec;
  color: var(--success);
}

.badge--draft {
  background: #fff1df;
  color: var(--accent-text);
}

.badge--archived {
  background: rgb(80 35 20 / 8%);
  color: var(--muted);
}

.badge--audience {
  background: rgb(214 35 0 / 8%);
  color: var(--bk-red);
}

.admin-course-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.admin-course-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 18px;
  box-shadow: 0 14px 30px rgb(80 35 20 / 8%);
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
  padding: 22px;
  position: relative;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.admin-course-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--bk-red), var(--bk-orange));
}

.admin-course-card:hover {
  border-color: var(--control-border);
  box-shadow: 0 12px 26px rgb(80 35 20 / 16%);
  transform: translateY(-3px);
}

.admin-course-card__top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-course-card__title {
  color: var(--bk-brown);
  font-size: 1.2rem;
  line-height: 1.25;
}

.admin-course-card__desc {
  color: var(--muted);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  font-size: 0.94rem;
  font-weight: 600;
  margin: 0;
  overflow: hidden;
}

.admin-course-card__meta {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  gap: 16px;
  font-size: 0.88rem;
  font-weight: 800;
  margin-top: auto;
  padding-top: 12px;
}

/* Admin module & topic lists */
.admin-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.module-list {
  display: grid;
  gap: 16px;
}

.module-card.item-card {
  border-color: var(--surface-border);
  border-left: 4px solid var(--bk-orange);
  border-radius: 16px;
  box-shadow: 0 12px 26px rgb(80 35 20 / 7%);
}

.module-card .module-header h4 {
  font-size: 1.12rem;
}

.topic-row {
  align-items: center;
  background: var(--bk-cream);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  padding: 12px 14px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.topic-row:hover {
  border-color: rgb(255 135 50 / 50%);
  box-shadow: 0 8px 18px rgb(80 35 20 / 7%);
  transform: translateY(-1px);
}

.topic-row-status {
  margin-top: 2px;
}

/* Global polish: inputs, forms, tables, auth */
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--focus-ring);
  box-shadow: 0 0 0 3px rgb(255 255 255 / 88%), 0 0 0 6px var(--focus-ring);
  outline: none;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.form-error {
  color: var(--danger);
  font-size: 0.9rem;
  font-weight: 700;
  margin: -6px 0 0;
}

.auth-panel,
.item-card,
.content-block {
  border-color: var(--surface-border);
  border-radius: 16px;
}

.auth-panel {
  overflow: hidden;
  padding: 30px 28px;
  position: relative;
}

.auth-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--bk-red), var(--bk-orange));
}

.auth-panel h1 {
  margin-top: 6px;
}

.admin-content > form:not(.form-plain) {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  max-width: 760px;
  padding: 26px;
}

.form-plain {
  margin-top: 16px;
}

table {
  border-color: var(--surface-border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

th {
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

th,
td {
  padding: 13px 14px;
}

tbody tr {
  transition: background-color 0.15s ease;
}

tbody tr:hover {
  background: var(--bk-cream);
}

.app-footer {
  margin-top: auto;
  padding: 16px 24px 24px;
}

.app-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}