/* Public course catalogue and creator workflow. */
.courses-page {
  background: var(--paper);
}

.course-hero {
  position: relative;
  overflow: hidden;
  padding: 82px 0 74px;
  background: linear-gradient(125deg, color-mix(in srgb, var(--surface) 94%, var(--relayskills-mint, #b9e6cf)) 0%, var(--surface) 52%, color-mix(in srgb, var(--surface) 88%, var(--relayskills-lilac, #b8a7e8)) 100%);
  border-bottom: 1px solid var(--line);
}

.course-hero::after {
  position: absolute;
  width: 460px;
  height: 460px;
  right: -170px;
  bottom: -260px;
  border: 1px solid color-mix(in srgb, var(--indigo) 30%, transparent);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.course-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, .72fr);
  gap: 54px;
  align-items: center;
}

.course-hero h1 {
  max-width: 800px;
  margin: 16px 0 18px;
  color: var(--text-strong);
  font-size: clamp(2.8rem, 6vw, 5.7rem);
  line-height: .94;
  letter-spacing: -.075em;
}

.course-hero p {
  max-width: 690px;
  margin: 0;
  color: var(--text-body);
  font-size: 1rem;
  line-height: 1.7;
}

.course-hero .hero-actions {
  margin-top: 28px;
}

.course-hero-card,
.course-builder,
.course-auth-gate,
.course-catalogue-section .container > .course-empty,
.course-my-section {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.course-hero-card {
  padding: 28px;
  border-radius: 28px;
}

.course-hero-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 17px;
  background: var(--indigo-soft);
  color: var(--indigo);
  font-size: 1.55rem;
}

.course-hero-card h2 {
  margin: 10px 0 9px;
  color: var(--text-strong);
  font-size: 1.55rem;
}

.course-hero-card p {
  font-size: .8rem;
}

.course-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
  margin-top: 24px;
}

.course-stat-row div {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 12px 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
}

.course-stat-row strong {
  color: var(--text-strong);
  font-size: 1.35rem;
}

.course-stat-row span,
.course-result-pill,
.course-builder-status {
  color: var(--muted);
  font-size: .65rem;
  font-weight: 800;
}

.course-publish-section {
  padding-top: 54px;
  padding-bottom: 22px;
}

.course-auth-gate {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 24px;
  border-radius: 22px;
}

.course-auth-gate h2,
.course-auth-gate p {
  margin: 0;
}

.course-auth-gate h2 {
  color: var(--text-strong);
  font-size: 1.2rem;
}

.course-auth-gate p {
  margin-top: 5px;
  color: var(--text-body);
  font-size: .76rem;
}

.course-builder {
  padding: clamp(22px, 4vw, 40px);
  border-radius: 28px;
}

.course-section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 25px;
}

.course-section-heading h2 {
  margin: 8px 0 5px;
  color: var(--text-strong);
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  letter-spacing: -.045em;
}

.course-section-heading p {
  max-width: 760px;
  margin: 0;
  color: var(--text-body);
  font-size: .8rem;
  line-height: 1.6;
}

.course-builder-status {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  border: 1px solid color-mix(in srgb, var(--green) 25%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--green) 10%, var(--surface));
  color: var(--green);
}

.course-form {
  display: grid;
  gap: 26px;
}

.course-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.course-field {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.course-field.full {
  grid-column: 1 / -1;
}

.course-field > span,
.course-visibility-options legend,
.course-lessons-editor legend,
.course-catalogue-filters label > span {
  color: var(--text-strong);
  font-size: .72rem;
  font-weight: 850;
}

.course-field em {
  color: var(--muted);
  font-size: .62rem;
  font-style: normal;
  font-weight: 650;
}

.course-field input,
.course-field textarea,
.course-field select,
.course-catalogue-filters input,
.course-catalogue-filters select {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  outline: none;
  background: var(--surface-soft);
  color: var(--text-strong);
  font: inherit;
  font-size: .78rem;
  transition: border-color .16s, box-shadow .16s, background .16s;
}

.course-field textarea {
  min-height: 110px;
  resize: vertical;
}

.course-field input:focus,
.course-field textarea:focus,
.course-field select:focus,
.course-catalogue-filters input:focus,
.course-catalogue-filters select:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--indigo) 18%, transparent);
}

.course-field small,
.course-help {
  margin: 0;
  color: var(--muted);
  font-size: .65rem;
  line-height: 1.45;
}

.course-lessons-editor,
.course-visibility-options {
  min-width: 0;
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 19px;
}

.course-lessons-editor legend,
.course-visibility-options legend {
  padding: 0 7px;
}

.course-lessons-editor .course-help {
  margin: -4px 0 16px;
}

.course-lesson-list {
  display: grid;
  gap: 14px;
  margin-bottom: 15px;
}

.course-lesson-row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: color-mix(in srgb, var(--surface-soft) 78%, var(--surface));
}

.course-lesson-number {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  background: var(--indigo-soft);
  color: var(--indigo);
  font-size: .7rem;
  font-weight: 900;
}

.course-lesson-fields {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr 1fr;
  gap: 12px;
}

.course-remove-lesson {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}

.course-remove-lesson:hover {
  border-color: var(--pink);
  color: var(--pink);
}

.course-visibility-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 4px;
}

.course-visibility-option {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 10px;
  align-items: start;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
  cursor: pointer;
}

.course-visibility-option:has(input:checked),
.course-visibility-option.selected {
  border-color: color-mix(in srgb, var(--indigo) 70%, var(--line));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--indigo) 12%, transparent);
}

.course-visibility-option input {
  margin-top: 6px;
  accent-color: var(--indigo);
}

.course-visibility-icon {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 10px;
  background: var(--indigo-soft);
  color: var(--indigo);
}

.course-visibility-option strong,
.course-visibility-option small {
  display: block;
}

.course-visibility-option strong {
  color: var(--text-strong);
  font-size: .75rem;
}

.course-visibility-option small {
  margin-top: 3px;
  color: var(--text-body);
  font-size: .65rem;
  line-height: 1.45;
}

.course-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.course-form-actions .form-status.show {
  display: inline-flex;
}

.course-catalogue-section {
  padding-top: 48px;
}

.course-catalogue-filters {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 23px;
}

.course-catalogue-filters label:not(.course-search-field) {
  display: grid;
  gap: 6px;
}

.course-search-field {
  position: relative;
  display: block;
}

.course-search-field > i {
  position: absolute;
  top: 50%;
  left: 15px;
  z-index: 1;
  color: var(--indigo);
  font-size: 1rem;
  transform: translateY(-50%);
}

.course-search-field input {
  padding-left: 42px;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 17px;
}

.course-card {
  display: grid;
  align-content: start;
  gap: 14px;
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 21px;
  background: var(--surface);
  box-shadow: 0 18px 44px rgba(16, 24, 40, .06);
}

.course-card:hover {
  border-color: color-mix(in srgb, var(--indigo) 45%, var(--line));
  box-shadow: 0 20px 52px rgba(16, 24, 40, .12);
  transform: translateY(-2px);
}

.course-card-top,
.course-card-owner,
.course-card-meta,
.course-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.course-card-top {
  align-items: flex-start;
}

.course-card-badge,
.course-card-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 9px;
  border-radius: 999px;
  background: var(--indigo-soft);
  color: var(--indigo);
  font-size: .6rem;
  font-weight: 850;
}

.course-card-status.draft {
  background: color-mix(in srgb, var(--pink) 14%, var(--surface));
  color: var(--pink);
}

.course-card h3 {
  margin: 0;
  color: var(--text-strong);
  font-size: 1.12rem;
  line-height: 1.2;
}

.course-card-description {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--text-body);
  font-size: .76rem;
  line-height: 1.6;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.course-card-meta {
  justify-content: flex-start;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: .66rem;
  font-weight: 750;
}

.course-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.course-card-meta i {
  color: var(--indigo);
}

.course-card-lessons {
  display: grid;
  gap: 7px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
}

.course-card-lessons > strong {
  color: var(--text-strong);
  font-size: .66rem;
}

.course-card-lesson {
  display: flex;
  gap: 7px;
  align-items: baseline;
  color: var(--text-body);
  font-size: .66rem;
  line-height: 1.4;
}

.course-card-lesson b {
  color: var(--indigo);
  font-size: .58rem;
}

.course-card-owner {
  justify-content: flex-start;
  color: var(--muted);
  font-size: .66rem;
}

.course-card-owner strong {
  color: var(--text-strong);
}

.course-card-actions {
  justify-content: flex-start;
  margin-top: 2px;
}

.course-card-actions .btn {
  flex: 1;
}

.course-card-draft-note {
  display: inline-flex;
  flex: 1;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: .62rem;
  line-height: 1.35;
}

.course-card-delete {
  display: grid;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--muted);
  cursor: pointer;
}

.course-card-delete:hover {
  border-color: var(--pink);
  color: var(--pink);
}

.course-loading,
.course-empty {
  grid-column: 1 / -1;
  padding: 66px 22px;
  border: 1px dashed var(--line);
  border-radius: 22px;
  color: var(--muted);
  text-align: center;
}

.course-loading i,
.course-empty > i {
  display: block;
  margin-bottom: 9px;
  color: var(--indigo);
  font-size: 2rem;
}

.course-empty h3 {
  margin: 8px 0 5px;
  color: var(--text-strong);
  font-size: 1.1rem;
}

.course-empty p {
  max-width: 520px;
  margin: 0 auto 17px;
  color: var(--text-body);
  font-size: .76rem;
  line-height: 1.6;
}

.course-my-section {
  margin: 0 auto 60px;
  padding: 30px 0 34px;
  border-radius: 28px;
}

.course-my-section .container {
  padding-inline: 30px;
}

.course-grid-mine {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1050px) {
  .course-hero-grid {
    grid-template-columns: 1fr;
  }

  .course-hero-card {
    max-width: 650px;
  }

  .course-grid,
  .course-grid-mine {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .course-hero {
    padding-top: 48px;
  }

  .course-hero h1 {
    font-size: clamp(2.5rem, 13vw, 4.2rem);
  }

  .course-section-heading,
  .course-auth-gate {
    display: grid;
    grid-template-columns: 1fr;
  }

  .course-builder-status {
    width: fit-content;
  }

  .course-form-grid,
  .course-lesson-fields,
  .course-visibility-grid,
  .course-catalogue-filters,
  .course-grid,
  .course-grid-mine {
    grid-template-columns: 1fr;
  }

  .course-field.full {
    grid-column: auto;
  }

  .course-lesson-row {
    grid-template-columns: 34px minmax(0, 1fr) auto;
    padding: 12px;
  }

  .course-lesson-number {
    width: 32px;
    height: 32px;
  }

  .course-my-section .container {
    padding-inline: 18px;
  }
}