.experience-author-link {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease, transform 0.18s ease;
}

.experience-author-link:hover,
.experience-author-link:focus-visible {
  color: var(--accent-3);
}

.experience-author-link:hover .experience-author-logo,
.experience-author-link:focus-visible .experience-author-logo,
.experience-author-link:hover .admin-ecosystem-logo,
.experience-author-link:focus-visible .admin-ecosystem-logo,
.experience-author-link:hover .admin-ecosystem-logo-fallback,
.experience-author-link:focus-visible .admin-ecosystem-logo-fallback {
  transform: scale(1.06);
}

.ecosystem-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.9fr);
  gap: 24px;
  padding: 34px;
  border-radius: 32px;
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 20%, rgba(0, 229, 255, 0.22), transparent 34%),
    radial-gradient(circle at 85% 18%, rgba(255, 159, 28, 0.22), transparent 28%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(232, 243, 255, 0.96));
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.12);
}

.ecosystem-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -34% 45%;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(76, 111, 255, 0.16), transparent 68%);
  pointer-events: none;
}

.ecosystem-hero-copy,
.ecosystem-hero-panel {
  position: relative;
  z-index: 1;
}

.ecosystem-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: rgba(15, 23, 42, 0.72);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ecosystem-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(255, 0, 255, 0.08);
}

.ecosystem-identity {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.ecosystem-hero-logo,
.ecosystem-hero-fallback {
  width: 78px;
  height: 78px;
  flex: 0 0 auto;
  border-radius: 24px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  object-fit: cover;
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.14);
}

.ecosystem-hero-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(76, 111, 255, 0.88));
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.ecosystem-identity h1 {
  margin: 2px 0 10px;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.ecosystem-identity p,
.ecosystem-hero-support {
  max-width: 760px;
  margin: 0;
  color: rgba(15, 23, 42, 0.72);
  line-height: 1.7;
  font-size: 15px;
}

.ecosystem-hero-support {
  margin-top: 22px;
}

.ecosystem-hero-panel {
  display: grid;
  gap: 16px;
  align-content: start;
}

.ecosystem-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.ecosystem-stat-card,
.ecosystem-login-card {
  padding: 16px 18px;
  border-radius: 22px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(8px);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
}

.ecosystem-stat-card span,
.ecosystem-login-card span {
  display: block;
  color: rgba(15, 23, 42, 0.62);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ecosystem-stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.05em;
}

.ecosystem-login-card {
  display: grid;
  gap: 12px;
}

.ecosystem-login-card strong {
  font-size: 18px;
  line-height: 1.25;
}

.ecosystem-login-card .button {
  justify-self: start;
}

.ecosystem-login-card-static {
  gap: 8px;
}

.ecosystem-discovery {
  margin-top: 28px;
}

.ecosystem-toolbar {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
}

.ecosystem-search-shell {
  position: relative;
  display: block;
  padding: 14px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(244, 248, 255, 0.96));
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.08);
}

.ecosystem-search-shell span {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.6);
}

.ecosystem-search-shell input {
  min-height: 58px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.96);
  font-size: 18px;
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.03);
}

.ecosystem-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ecosystem-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.ecosystem-filter-chip span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.ecosystem-filter-chip strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
  font-size: 12px;
}

.ecosystem-filter-chip.is-active,
.ecosystem-filter-chip:hover,
.ecosystem-filter-chip:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(76, 111, 255, 0.42);
  background: rgba(76, 111, 255, 0.08);
}

.ecosystem-empty-state,
.ecosystem-empty-initial {
  margin-bottom: 16px;
}

.ecosystem-section {
  margin-top: 22px;
}

.ecosystem-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.ecosystem-section-head h2 {
  margin: 0 0 6px;
  font-size: clamp(24px, 2vw, 32px);
  letter-spacing: -0.03em;
}

.ecosystem-section-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.ecosystem-course-grid {
  align-items: stretch;
}

.ecosystem-course-card {
  max-width: none;
  width: 100%;
  padding: 16px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 249, 255, 0.98));
}

.ecosystem-course-card[hidden] {
  display: none !important;
}

.ecosystem-course-cover {
  border-radius: 20px;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.ecosystem-course-body {
  gap: 12px;
}

.ecosystem-course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ecosystem-course-state {
  background: rgba(15, 23, 42, 0.08);
}

.ecosystem-course-state-completed {
  background: rgba(6, 214, 160, 0.16);
}

.ecosystem-course-state-in_progress {
  background: rgba(255, 209, 102, 0.22);
}

.ecosystem-course-state-joined {
  background: rgba(76, 111, 255, 0.14);
}

.ecosystem-course-state-not_joined {
  background: rgba(0, 229, 255, 0.14);
}

.ecosystem-course-reco {
  background: rgba(255, 0, 255, 0.12);
}

.ecosystem-course-progress {
  display: grid;
  gap: 8px;
  margin-top: 2px;
}

.ecosystem-course-progress-bar {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
}

.ecosystem-course-progress-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
}

.ecosystem-course-progress-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}

.ecosystem-course-progress-copy strong {
  color: var(--ink);
}

.ecosystem-course-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ecosystem-course-actions form {
  margin: 0;
}

body.theme-dark .ecosystem-hero {
  background:
    radial-gradient(circle at 10% 20%, rgba(69, 243, 255, 0.14), transparent 34%),
    radial-gradient(circle at 85% 18%, rgba(255, 184, 108, 0.14), transparent 28%),
    linear-gradient(145deg, rgba(12, 18, 34, 0.98), rgba(16, 26, 47, 0.98));
  border-color: rgba(148, 163, 184, 0.14);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
}

body.theme-dark .ecosystem-kicker {
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.76);
}

body.theme-dark .ecosystem-hero-logo,
body.theme-dark .ecosystem-hero-fallback,
body.theme-dark .ecosystem-search-shell,
body.theme-dark .ecosystem-stat-card,
body.theme-dark .ecosystem-login-card,
body.theme-dark .ecosystem-filter-chip,
body.theme-dark .ecosystem-course-card {
  border-color: rgba(148, 163, 184, 0.14);
}

body.theme-dark .ecosystem-identity p,
body.theme-dark .ecosystem-hero-support,
body.theme-dark .ecosystem-stat-card span,
body.theme-dark .ecosystem-login-card span,
body.theme-dark .ecosystem-section-head p,
body.theme-dark .ecosystem-course-progress-copy {
  color: rgba(226, 232, 240, 0.74);
}

body.theme-dark .ecosystem-stat-card,
body.theme-dark .ecosystem-login-card,
body.theme-dark .ecosystem-search-shell,
body.theme-dark .ecosystem-filter-chip,
body.theme-dark .ecosystem-course-card {
  background: rgba(11, 18, 32, 0.82);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

body.theme-dark .ecosystem-search-shell input {
  border-color: rgba(148, 163, 184, 0.14);
  background: rgba(9, 14, 27, 0.92);
}

body.theme-dark .ecosystem-filter-chip strong {
  background: rgba(255, 255, 255, 0.08);
}

body.theme-dark .ecosystem-filter-chip.is-active,
body.theme-dark .ecosystem-filter-chip:hover,
body.theme-dark .ecosystem-filter-chip:focus-visible {
  border-color: rgba(96, 165, 250, 0.46);
  background: rgba(96, 165, 250, 0.14);
}

body.theme-dark .ecosystem-course-cover,
body.theme-dark .ecosystem-course-progress-bar {
  border-color: rgba(148, 163, 184, 0.14);
  background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 1080px) {
  .ecosystem-hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .ecosystem-stat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .ecosystem-hero,
  .ecosystem-search-shell {
    padding: 22px;
  }

  .ecosystem-identity {
    flex-direction: column;
  }

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

  .ecosystem-section-head {
    align-items: start;
    flex-direction: column;
  }

  .ecosystem-filter-row {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }

  .ecosystem-filter-chip {
    flex: 0 0 auto;
  }
}

@media (max-width: 560px) {
  .ecosystem-hero,
  .ecosystem-search-shell {
    padding: 18px;
    border-radius: 24px;
  }

  .ecosystem-hero-logo,
  .ecosystem-hero-fallback {
    width: 64px;
    height: 64px;
    border-radius: 20px;
  }

  .ecosystem-stat-card strong {
    font-size: 28px;
  }

  .ecosystem-search-shell input {
    min-height: 52px;
    font-size: 16px;
  }
}