/* Teacher planet — desktop-first layout */

.planet-page {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.planet-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.planet-banner__cover {
  position: relative;
  height: clamp(180px, 28vw, 280px);
  background:
    radial-gradient(ellipse 60% 80% at 80% 20%, color-mix(in srgb, #fff 14%, transparent), transparent 50%),
    linear-gradient(135deg, var(--primary), var(--primary-dark));
  overflow: hidden;
}

.planet-banner__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.planet-banner__fallback {
  width: 100%;
  height: 100%;
}

.planet-banner__sheet {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  flex-wrap: wrap;
  padding: 1.1rem 1.5rem 1.25rem;
  margin-top: 0;
  position: relative;
  min-height: 88px;
}

.planet-banner__identity {
  display: flex;
  align-items: center;
  gap: 1.15rem 1.35rem;
  min-width: 0;
  flex: 1 1 280px;
  padding-inline-start: 124px;
  position: relative;
  min-height: 64px;
}

.planet-banner__avatar {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: -58px;
  width: 108px;
  height: 108px;
  border-radius: 28px;
  overflow: hidden;
  border: 4px solid var(--surface);
  background: var(--primary-light);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-size: 2.25rem;
  box-shadow: var(--shadow);
  flex-shrink: 0;
  z-index: 1;
}

.planet-banner__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.planet-banner__meta {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .28rem;
  padding-inline: .15rem .35rem;
}

.planet-banner__name {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.02em;
}

.planet-banner__nick {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.45;
}

.planet-banner__loc {
  margin: 0;
  color: var(--text-secondary);
  font-size: .9rem;
  line-height: 1.5;
  display: flex;
  align-items: center;
  gap: .4rem;
}

.planet-banner__subjects {
  margin-top: .15rem;
}

.planet-banner__subjects .planet-chip {
  padding: .28rem .65rem;
  font-size: .78rem;
}

.planet-banner__cta {
  flex: 0 0 auto;
  margin-inline-start: auto;
  display: flex;
  align-items: center;
}

.planet-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .85rem;
}

.planet-stat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .85rem;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.planet-stat--action {
  width: 100%;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  text-align: start;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease, transform .15s ease;
}

.planet-stat--action:hover {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  background: color-mix(in srgb, var(--primary-light) 55%, var(--surface));
  box-shadow: var(--shadow-sm);
}

.planet-stat--action:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.planet-stat--action:disabled {
  opacity: .7;
  cursor: wait;
}

.planet-stat__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--primary-light);
  color: var(--primary);
  flex-shrink: 0;
}

.planet-stat__value {
  display: block;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.2;
}

.planet-stat__label {
  display: block;
  margin-top: .15rem;
  font-size: .78rem;
  color: var(--muted);
  font-weight: 600;
}

.planet-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .9fr);
  gap: 1.15rem;
  align-items: start;
}

.planet-grid__main,
.planet-grid__side {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  min-width: 0;
}

.planet-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.25rem 1.35rem 1.35rem;
  box-shadow: var(--shadow-xs);
}

.planet-card__head {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--border-light);
}

.planet-card__icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--primary-light);
  color: var(--primary);
  flex-shrink: 0;
}

.planet-card__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 800;
}

.planet-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
}

.planet-facts--compact {
  margin-bottom: 1rem;
}

.planet-fact {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
}

.planet-fact__icon {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--primary) 8%, var(--surface-2));
  color: var(--primary);
  flex-shrink: 0;
  font-size: .85rem;
}

.planet-fact__label {
  display: block;
  font-size: .72rem;
  color: var(--muted);
  margin-bottom: .15rem;
  font-weight: 600;
}

.planet-fact__value {
  display: block;
  font-weight: 700;
  line-height: 1.45;
  word-break: break-word;
}

.planet-label {
  margin: 0 0 .55rem;
  font-size: .78rem;
  font-weight: 700;
  color: var(--muted);
}

.planet-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
}

.planet-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.planet-chip {
  display: inline-flex;
  align-items: center;
  padding: .4rem .75rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 10%, var(--surface-2));
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--primary) 16%, var(--border));
  font-size: .8125rem;
  font-weight: 700;
}

.planet-about {
  margin: 0;
  line-height: 1.85;
  white-space: pre-wrap;
  color: var(--text-secondary);
  font-size: .975rem;
}

.planet-empty {
  margin: 0;
  color: var(--muted);
}

.planet-social {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: .55rem;
}

.planet-social__item {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .65rem .75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  transition: var(--transition);
  text-decoration: none;
  min-width: 0;
}

.planet-social__item:hover {
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  background: var(--primary-light);
  color: var(--primary);
}

.planet-social__icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--surface);
  flex-shrink: 0;
}

.planet-social__label {
  font-size: .8125rem;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 960px) {
  .planet-banner__cta {
    width: 100%;
    margin-inline-start: 0;
  }
  .planet-banner__cta .btn {
    width: 100%;
    justify-content: center;
  }
  .planet-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .planet-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .planet-banner__sheet {
    padding: 1rem 1.1rem 1.2rem;
    justify-content: center;
    text-align: center;
  }
  .planet-banner__identity {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: .85rem;
    padding-inline-start: 0;
    padding-block-start: 44px;
    min-height: 0;
  }
  .planet-banner__meta {
    align-items: center;
    padding-inline: 0;
  }
  .planet-banner__avatar {
    position: absolute;
    inset-inline-start: 50%;
    inset-block-start: -44px;
    transform: translateX(-50%);
    width: 88px;
    height: 88px;
    border-radius: 24px;
  }
  .planet-banner__loc {
    justify-content: center;
  }
  .planet-banner__subjects {
    justify-content: center;
  }
  .planet-banner__cta {
    margin-inline-start: 0;
  }
  .planet-stats {
    grid-template-columns: 1fr;
  }
  .planet-split {
    grid-template-columns: 1fr;
  }
}