* {
  transition-delay: 0;
  transition-duration: 0.1s;
  transition-property: all;
  transition-timing-function: ease;
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  font-family: 'Colfax Regular', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #0d0d0d;
  color: #e0e0e0;
}
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.df {
  display: flex;
}
.fdc {
  flex-direction: column;
}
.fdr {
  flex-direction: row;
}
.fww {
  flex-wrap: wrap;
}
.jcc {
  justify-content: center;
}
.jcsb {
  justify-content: space-between;
}
.aic {
  align-items: center;
}
.w100p {
  width: 100%;
}
.gap1 {
  gap: 1rem;
}
.gap2 {
  gap: 2rem;
}
.container {
  padding: 1rem;
  background: #1a1a1a;
  border-left: 1px solid #3a3a3a;
  border-top: 1px solid #3a3a3a;
  border-top-left-radius: 4px;
  border-right: 1px solid #2a2a2a;
  border-bottom: 1px solid #2a2a2a;
  border-bottom-right-radius: 4px;
  box-shadow: 4px 4px 0px 0px #1a3a4e;
  position: relative;
}
.container:hover {
  box-shadow: 4px 4px 0px 0px #3a5a6e;
}
.btn {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background-color: #1a1a1a;
  color: #e0e0e0;
  text-decoration: none;
  text-transform: uppercase;
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  border: 1px solid #3a3a3a;
  border-radius: 2px;
  box-shadow: 2px 2px 0px 0px #3a5a6e;
  cursor: pointer;
}
.btn:hover {
  box-shadow: 4px 4px 0px 0px #3a5a6e;
  transform: translateY(-1px);
}
.btn.primary {
  background-color: #e0e0e0;
  color: #0d0d0d;
  box-shadow: 2px 2px 0px 0px #3a5a6e;
}
.btn.primary:hover {
  box-shadow: 4px 4px 0px 0px #2a4a5e;
}
.btn.secondary {
  background-color: #1a1a1a;
  color: #e0e0e0;
  border-color: #3a3a3a;
}
nav[ceots__learn="nav"] {
  width: 100%;
  padding: 0.75rem 2rem;
  background-color: #1a1a1a;
  border-bottom: 1px solid #2a2a2a;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.nav__container {
  max-width: 1200px;
  margin: 0 auto;
}
.nav__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: #e0e0e0;
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav__links {
  gap: 1.5rem;
}
.nav__links a {
  color: #e0e0e0;
  text-decoration: none;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}
.nav__links a:hover {
  color: #6cb8e0;
}
.nav__auth {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.user__name {
  font-size: 0.9rem;
  color: #e0e0e0;
}
section[ceots__learn="hero"] {
  background: #1a1a1a;
  padding: 3rem 2rem;
  border-bottom: 1px solid #2a2a2a;
  text-align: center;
}
section[ceots__learn="hero"] h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  letter-spacing: -1px;
  color: #e0e0e0;
}
section[ceots__learn="hero"] p {
  font-size: 1.1rem;
  color: #999;
  margin: 0;
}
section[ceots__learn="classrooms"] {
  padding: 2rem;
}
.content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
}
.classrooms__header {
  margin-bottom: 1.5rem;
}
.classrooms__header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.5px;
  color: #e0e0e0;
}
.classrooms__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.classroom__card {
  background: #1a1a1a;
  border-left: 1px solid #3a3a3a;
  border-top: 1px solid #3a3a3a;
  border-top-left-radius: 4px;
  border-right: 1px solid #2a2a2a;
  border-bottom: 1px solid #2a2a2a;
  border-bottom-right-radius: 4px;
  box-shadow: 4px 4px 0px 0px #1a3a4e;
  overflow: hidden;
  transition: all 0.1s ease;
}
.classroom__card:hover {
  box-shadow: 4px 4px 0px 0px #3a5a6e;
}
.classroom__card img {
  width: 100%;
  height: 160px;
  object-fit: contain;
  background: #1a3a4e;
  border-bottom: 1px solid #3a3a3a;
}
.classroom__card .btn {
  width: 100%;
  text-align: center;
}
.classroom__card__content {
  padding: 1rem;
}
.classroom__card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.25px;
  color: #e0e0e0;
}
.classroom__card p {
  font-size: 0.9rem;
  color: #888;
  margin: 0 0 1rem 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.classroom__card__meta {
  font-size: 0.85rem;
  color: #888;
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}
.classrooms__pagination {
  margin-top: 2rem;
  gap: 0.5rem;
}
.classrooms__pagination button {
  padding: 0.5rem 1rem;
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 2px;
  cursor: pointer;
  font-size: 0.85rem;
  color: #e0e0e0;
}
.classrooms__pagination button:hover {
  background: rgba(40,40,40,0.5);
}
.classrooms__pagination button.active {
  background: #e0e0e0;
  color: #0d0d0d;
  border-color: #e0e0e0;
}
.classrooms__pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
footer[ceots__learn="footer"] {
  margin-top: auto;
  padding: 1.5rem 2rem;
  background: #1a1a1a;
  border-top: 1px solid #2a2a2a;
  text-align: center;
}
footer[ceots__learn="footer"] p {
  font-size: 0.85rem;
  color: #888;
  margin: 0;
}
.loading {
  text-align: center;
  padding: 3rem;
  color: #888;
}
.empty-state {
  text-align: center;
  padding: 3rem;
  color: #888;
}
.empty-state h3 {
  font-size: 1.25rem;
  margin: 0 0 0.5rem 0;
  color: #e0e0e0;
}
.empty-state p {
  margin: 0 0 1rem 0;
}
.classroom__header {
  background: #1a1a1a;
  padding: 2rem;
  border-bottom: 1px solid #2a2a2a;
}
.classroom__header__content {
  max-width: 1200px;
  margin: 0 auto;
}
.classroom__header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.5px;
  color: #e0e0e0;
}
.classroom__header p {
  font-size: 1rem;
  color: #888;
  margin: 0 0 1rem 0;
  max-width: 600px;
}
.classroom__header__meta {
  font-size: 0.9rem;
  color: #888;
  display: flex;
  gap: 1.5rem;
}
.classroom__content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
}
.lessons__sidebar {
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  padding: 1rem;
  height: fit-content;
  position: sticky;
  top: 1rem;
}
.lessons__sidebar h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #3a3a3a;
  color: #e0e0e0;
}
.lesson__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  color: #e0e0e0;
}
.lesson__item:hover {
  background: rgba(40,40,40,0.5);
}
.lesson__item.active {
  background: #1a3a4e;
}
.lesson__item.completed .lesson__item__number {
  background: #28a745;
}
.lesson__item__number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #3a3a3a;
  color: #0d0d0d;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lesson__item__title {
  font-size: 0.9rem;
  flex: 1;
}
.section__group {
  margin-bottom: 0.25rem;
}
.section__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.8rem;
  color: #e0e0e0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.section__header:hover {
  background: rgba(40,40,40,0.5);
}
.section__toggle {
  font-size: 0.65rem;
  color: #888;
  width: 14px;
}
.section__title {
  flex: 1;
}
.section__count {
  font-size: 0.7rem;
  color: #888;
  background: rgba(40,40,40,0.5);
  padding: 0.1rem 0.4rem;
  border-radius: 10px;
}
.section__lessons {
  padding-left: 0.25rem;
}
.section__manage__item {
  padding: 0.75rem 1rem;
  background: #1a3a4e;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section__manage__item strong {
  font-size: 0.85rem;
  color: #e0e0e0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.classroom__tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #3a3a3a;
}
.classroom__tabs button {
  padding: 0.75rem 1.5rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  color: #888;
}
.classroom__tabs button:hover {
  color: #e0e0e0;
}
.classroom__tabs button.active {
  color: #e0e0e0;
  border-bottom-color: #e0e0e0;
}
.classroom__main {
  min-height: 400px;
}
.feed__container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.feed__compose {
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.feed__compose textarea {
  width: 100%;
  min-height: 80px;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  padding: 0.75rem;
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
  margin-bottom: 0.75rem;
  background: #0d0d0d;
  color: #e0e0e0;
}
.feed__compose textarea:focus {
  outline: none;
  border-color: #3a5a6e;
}
.compose__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}
.feed__post {
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  padding: 1rem;
}
.post__header {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.post__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #3a3a3a;
}
.post__meta {
  display: flex;
  flex-direction: column;
}
.post__author {
  font-weight: 600;
  font-size: 0.9rem;
  color: #e0e0e0;
}
.post__time {
  font-size: 0.85rem;
  color: #888;
}
.post__content {
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
  white-space: pre-wrap;
  color: #e0e0e0;
}
.post__attachment {
  max-width: 100%;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}
.post__actions {
  display: flex;
  gap: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid #3a3a3a;
}
.post__actions button {
  background: none;
  border: none;
  font-size: 0.85rem;
  color: #888;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}
.post__actions button:hover {
  background: rgba(40,40,40,0.5);
  color: #e0e0e0;
}
.post__actions button.liked {
  color: #6cb8e0;
  font-weight: 600;
}
.post__owner__actions {
  margin-left: auto;
  display: flex;
  gap: 0.5rem;
}
.btn__text {
  background: none;
  border: none;
  color: #888;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: 0.85rem;
}
.btn__text:hover {
  color: #e0e0e0;
  text-decoration: underline;
}
.btn__text.btn__danger {
  color: #dc3545;
}
.btn__text.btn__danger:hover {
  color: #ff6b6b;
}
.btn__small {
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
}
.btn__secondary {
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  color: #888;
}
.btn__secondary:hover {
  background: rgba(40,40,40,0.5);
  color: #e0e0e0;
}
.post__edit__form {
  margin-bottom: 0.75rem;
}
.post__edit__form textarea {
  width: 100%;
  min-height: 80px;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  padding: 0.75rem;
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
  margin-bottom: 0.5rem;
  background: #0d0d0d;
  color: #e0e0e0;
}
.post__edit__form .edit__actions {
  display: flex;
  gap: 0.5rem;
}
.post__comments {
  padding-top: 1rem;
  margin-top: 0.75rem;
  border-top: 1px solid #3a3a3a;
}
.comment {
  padding: 0.75rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(40,40,40,0.5);
  color: #e0e0e0;
}
.comment:last-of-type {
  border-bottom: none;
}
.comment__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}
.comment__author {
  font-weight: 600;
  color: #e0e0e0;
}
.comment__actions {
  margin-left: auto;
}
.comment__content {
  line-height: 1.4;
  margin-bottom: 0.25rem;
}
.comment__footer {
  margin-top: 0.25rem;
}
.comment__footer .liked {
  color: #6cb8e0;
  font-weight: 600;
}
.comment__edit__form {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.comment__edit__form input {
  flex: 1;
  min-width: 150px;
  padding: 0.5rem 0.75rem;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  font-size: 0.9rem;
  background: #0d0d0d;
  color: #e0e0e0;
}
.comment__compose {
  margin-top: 0.75rem;
}
.comment__compose input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  font-size: 0.9rem;
  background: #0d0d0d;
  color: #e0e0e0;
}
.enrolled__badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: #1a3d1a;
  color: #6fcf6f;
  border-radius: 4px;
  font-weight: 500;
  margin-right: 0.5rem;
  font-size: 0.85rem;
}
div[ceots__learn="enroll__container"] {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.lesson__container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
}
.lesson__video {
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.lesson__video iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
}
.lesson__info h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.5px;
  color: #e0e0e0;
}
.lesson__info p {
  font-size: 1rem;
  color: #888;
  line-height: 1.6;
  margin: 0 0 1.5rem 0;
}
.lesson__navigation {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid #3a3a3a;
}
.lesson__content {
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
  color: #e0e0e0;
}
.lesson__content h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 1rem 0;
  letter-spacing: -0.5px;
  color: #e0e0e0;
}
.lesson__content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem 0;
  letter-spacing: -0.25px;
  color: #e0e0e0;
}
.lesson__content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem 0;
  color: #e0e0e0;
}
.lesson__content p {
  margin: 0 0 1rem 0;
}
.lesson__content code {
  background: #0d0d0d;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.9em;
  color: #6cb8e0;
}
.lesson__content pre {
  background: #0a0a0a;
  color: #d4d4d4;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid #3a3a3a;
}
.lesson__content pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 0.85rem;
  line-height: 1.5;
}
.lesson__content ul {
  margin: 0 0 1rem 0;
  padding-left: 1.5rem;
}
.lesson__content li {
  margin-bottom: 0.5rem;
}
.lesson__content strong {
  font-weight: 600;
}
.lesson__content em {
  font-style: italic;
}
.dashboard__header {
  background: #1a1a1a;
  padding: 2rem;
  border-bottom: 1px solid #2a2a2a;
}
.dashboard__header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.5px;
  color: #e0e0e0;
}
.dashboard__content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}
.dashboard__section {
  margin-bottom: 2rem;
}
.dashboard__section h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 1rem 0;
  color: #e0e0e0;
}
.form__group {
  margin-bottom: 1rem;
}
.form__group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: #e0e0e0;
}
.form__group input,
.form__group textarea,
.form__group select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.9rem;
  background: #0d0d0d;
  color: #e0e0e0;
}
.form__group input:focus,
.form__group textarea:focus,
.form__group select:focus {
  outline: none;
  border-color: #3a5a6e;
}
.modal__overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal__content {
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 6px 6px 0px 0px #1a3a4e;
}
.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.modal__header h2 {
  font-size: 1.25rem;
  margin: 0;
  color: #e0e0e0;
}
.modal__close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #888;
}
.modal__close:hover {
  color: #e0e0e0;
}
.manage__header {
  background: #1a1a1a;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #2a2a2a;
}
.manage__header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0.5rem 0 0;
  letter-spacing: -0.5px;
  color: #e0e0e0;
}
.manage__content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
}
.manage__section {
  margin-bottom: 2rem;
}
.manage__section h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 1rem 0;
  color: #e0e0e0;
}
.lessons__manage__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.lesson__manage__item {
  padding: 1rem;
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
}
.lesson__manage__item strong {
  font-size: 0.9rem;
  color: #e0e0e0;
}
@media (max-width: 900px) {
  .classroom__content {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  nav[ceots__learn="nav"] {
    padding: 0.5rem 1rem;
  }
  .nav__container {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .nav__logo {
    font-size: 1.1rem;
  }
  .nav__links {
    gap: 0.75rem;
    flex-wrap: wrap;
  }
  .nav__links a {
    font-size: 1rem;
  }
  .nav__auth .btn {
    padding: 0.35rem 0.75rem;
    font-size: 1rem;
  }
  .user__name {
    font-size: 1rem;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  section[ceots__learn="hero"] {
    padding: 2rem 1rem;
  }
  section[ceots__learn="hero"] h1 {
    font-size: 1.75rem;
  }
  section[ceots__learn="hero"] p {
    font-size: 1rem;
  }
  section[ceots__learn="classrooms"] {
    padding: 1rem;
  }
  .classrooms__grid {
    grid-template-columns: 1fr;
  }
  .classroom__header {
    padding: 1.5rem 1rem;
  }
  .classroom__header h1 {
    font-size: 1.5rem;
  }
  .classroom__header__meta {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .classroom__content {
    padding: 1rem;
    gap: 1rem;
  }
  .lessons__sidebar {
    position: static;
  }
  .lesson__container {
    padding: 1rem;
  }
  .lesson__info h1 {
    font-size: 1.25rem;
  }
  .lesson__navigation {
    flex-direction: column;
  }
  .dashboard__header {
    padding: 1.5rem 1rem;
  }
  .dashboard__header h1 {
    font-size: 1.5rem;
  }
  .dashboard__content {
    padding: 1rem;
  }
  .dashboard__section .df.jcsb {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  footer[ceots__learn="footer"] {
    padding: 1rem;
  }
}
@media (max-width: 480px) {
  .nav__container {
    justify-content: center;
  }
  .nav__links {
    width: 100%;
    justify-content: center;
    padding-top: 0.5rem;
    border-top: 1px solid #3a3a3a;
    margin-top: 0.5rem;
  }
}
.lesson__quiz {
  margin-top: 2rem;
  padding: 2rem;
  background: #0d0d0d;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
}
.lesson__quiz h2 {
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: #e0e0e0;
}
.quiz__question {
  background: #1a1a1a;
  padding: 1.5rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  border: 2px solid #3a3a3a;
}
.quiz__question.correct {
  border-color: #28a745;
  background: #1a3d1a;
}
.quiz__question.incorrect {
  border-color: #dc3545;
  background: #3d1a1a;
}
.quiz__question__text {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: #e0e0e0;
}
.quiz__options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.quiz__option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: #0d0d0d;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
  color: #e0e0e0;
}
.quiz__option:hover {
  background: #3a3a3a;
}
.quiz__option input[type="radio"] {
  width: 18px;
  height: 18px;
}
.quiz__explanation {
  margin-top: 1rem;
  padding: 0.75rem;
  background: #0d0d0d;
  border-radius: 4px;
  font-style: italic;
  color: #888;
}
.quiz__score {
  text-align: center;
  padding: 1.5rem;
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.quiz__score h3 {
  font-size: 1.5rem;
  color: #e0e0e0;
}
.wizard__overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  z-index: 9998;
  transition: opacity 0.3s ease;
}
.wizard__spotlight {
  position: absolute;
  z-index: 9999;
  background: transparent;
  border-radius: 8px;
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.7);
  pointer-events: none;
  transition: all 0.3s ease;
}
.wizard__tooltip {
  position: absolute;
  z-index: 10000;
  max-width: 360px;
  background: #1a1a1a;
  border-left: 1px solid #3a3a3a;
  border-top: 1px solid #3a3a3a;
  border-top-left-radius: 4px;
  border-right: 1px solid #2a2a2a;
  border-bottom: 1px solid #2a2a2a;
  border-bottom-right-radius: 4px;
  box-shadow: 6px 6px 0px 0px #3a5a6e;
  padding: 1.25rem;
  animation: wizard-fade-in 0.3s ease;
}
.wizard__tooltip__arrow {
  position: absolute;
  width: 12px;
  height: 12px;
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  transform: rotate(45deg);
}
.wizard__tooltip--top .wizard__tooltip__arrow {
  bottom: -7px;
  left: 50%;
  margin-left: -6px;
  border-top: none;
  border-left: none;
}
.wizard__tooltip--bottom .wizard__tooltip__arrow {
  top: -7px;
  left: 50%;
  margin-left: -6px;
  border-bottom: none;
  border-right: none;
}
.wizard__tooltip--left .wizard__tooltip__arrow {
  right: -7px;
  top: 50%;
  margin-top: -6px;
  border-bottom: none;
  border-left: none;
}
.wizard__tooltip--right .wizard__tooltip__arrow {
  left: -7px;
  top: 50%;
  margin-top: -6px;
  border-top: none;
  border-right: none;
}
.wizard__tooltip__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: #e0e0e0;
  letter-spacing: -0.25px;
}
.wizard__tooltip__body {
  font-size: 0.95rem;
  color: #999;
  line-height: 1.5;
  margin: 0 0 1rem 0;
}
.wizard__tooltip__progress {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 1rem;
}
.wizard__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3a3a3a;
  transition: all 0.2s ease;
}
.wizard__dot--active {
  background: #e0e0e0;
  transform: scale(1.2);
}
.wizard__dot--completed {
  background: #3a5a6e;
}
.wizard__tooltip__nav {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.wizard__tooltip__nav .btn {
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
}
.wizard__btn__skip {
  background: none;
  border: none;
  color: #888;
  text-decoration: underline;
  cursor: pointer;
  padding: 0.4rem 0.5rem;
  font-size: 0.85rem;
  margin-right: auto;
}
.wizard__btn__skip:hover {
  color: #e0e0e0;
}
.wizard__modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.wizard__modal__content {
  max-width: 440px;
  width: 100%;
  padding: 2rem;
  text-align: center;
  animation: wizard-modal-in 0.3s ease;
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  box-shadow: 6px 6px 0px 0px #1a3a4e;
}
.wizard__modal__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  color: #e0e0e0;
  letter-spacing: -0.5px;
}
.wizard__modal__body {
  font-size: 1rem;
  color: #999;
  line-height: 1.6;
  margin: 0 0 1.5rem 0;
}
.wizard__modal__roles {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.wizard__modal__roles .btn {
  width: 100%;
  padding: 0.75rem 1.5rem;
}
.wizard__modal__cta {
  margin-bottom: 1.5rem;
}
.wizard__modal__cta .btn {
  padding: 0.75rem 2rem;
}
.wizard__modal__nav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.wizard__modal__nav .wizard__btn__skip {
  margin-right: 0;
}
.wizard__modal__remember {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #888;
  cursor: pointer;
}
.wizard__modal__remember input {
  width: 16px;
  height: 16px;
  cursor: pointer;
}
.wizard__trigger {
  color: #888;
  text-decoration: none;
  font-size: 0.9rem;
}
.wizard__trigger:hover {
  color: #6cb8e0;
  text-decoration: underline;
}
@media (max-width: 480px) {
  .wizard__tooltip {
    max-width: 90vw;
    left: 5vw !important;
    right: 5vw;
  }
  .wizard__modal__content {
    padding: 1.5rem;
  }
  .wizard__modal__title {
    font-size: 1.25rem;
  }
}
.node__breadcrumbs {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1.5rem 2rem 0.5rem;
  font-size: 0.9rem;
  color: #888;
}
.node__breadcrumbs a {
  color: #6cb8e0;
  text-decoration: none;
}
.node__breadcrumbs a:hover {
  text-decoration: underline;
}
.breadcrumb__sep {
  color: #555;
  margin: 0 0.25rem;
}
.node__container__view {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
}
.node__container__view h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.5px;
  color: #e0e0e0;
}
.node__summary__text {
  font-size: 1.05rem;
  color: #aaa;
  line-height: 1.6;
  margin: 0 0 1rem 0;
}
.node__description__text {
  font-size: 1rem;
  color: #888;
  line-height: 1.6;
  margin: 0 0 2rem 0;
}
.node__children {
  margin-top: 1rem;
}
.children__heading {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 1rem 0;
  color: #e0e0e0;
}
.children__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.child__card {
  display: block;
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  padding: 1.25rem;
  text-decoration: none;
  color: #e0e0e0;
}
.child__card:hover {
  border-color: #6cb8e0;
  transform: translateY(-2px);
}
.child__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #e0e0e0;
}
.child__summary {
  font-size: 0.9rem;
  color: #888;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}
.child__meta {
  font-size: 0.8rem;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.inline__children {
  max-width: 1000px;
  margin: 2rem auto 0;
  padding: 0 2rem;
}
.inline__children h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 1rem 0;
  color: #e0e0e0;
}
.node__leaf {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
}
.node__video {
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.node__video iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
}
.node__info h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.5px;
  color: #e0e0e0;
}
.node__info p {
  font-size: 1rem;
  color: #888;
  line-height: 1.6;
  margin: 0 0 1.5rem 0;
}
.node__content {
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
  color: #e0e0e0;
}
.node__content h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 1rem 0;
  letter-spacing: -0.5px;
  color: #e0e0e0;
}
.node__content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem 0;
  letter-spacing: -0.25px;
  color: #e0e0e0;
}
.node__content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem 0;
  color: #e0e0e0;
}
.node__content p {
  margin: 0 0 1rem 0;
}
.node__content a {
  color: #6cb8e0;
  text-decoration: none;
}
.node__content a:hover {
  text-decoration: underline;
}
.node__content code {
  background: #0d0d0d;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.9em;
  color: #6cb8e0;
}
.node__content pre {
  background: #0a0a0a;
  color: #d4d4d4;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid #3a3a3a;
}
.node__content pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 0.85rem;
  line-height: 1.5;
}
.node__content ul,
.node__content ol {
  margin: 0 0 1rem 0;
  padding-left: 1.5rem;
}
.node__content li {
  margin-bottom: 0.5rem;
}
.node__content strong {
  font-weight: 600;
}
.node__content em {
  font-style: italic;
}
.node__content blockquote {
  border-left: 3px solid #3a3a3a;
  padding-left: 1rem;
  margin: 1rem 0;
  color: #aaa;
}
.node__quiz {
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.node__quiz h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 1rem 0;
  color: #e0e0e0;
}
.node__navigation {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid #3a3a3a;
}
.paywall {
  position: relative;
  min-height: 240px;
}
.paywall__overlay {
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  padding: 3rem 2rem;
  text-align: center;
}
.paywall__overlay h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  color: #e0e0e0;
}
.paywall__overlay p {
  color: #888;
  margin: 0 0 1.5rem 0;
}
@-moz-keyframes wizard-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@-webkit-keyframes wizard-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@-o-keyframes wizard-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes wizard-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@-moz-keyframes wizard-modal-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@-webkit-keyframes wizard-modal-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@-o-keyframes wizard-modal-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes wizard-modal-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}