/*
 * En-tête partagé
 * ---------------
 * Les informations sont fournies par les attributs du composant
 * <course-header>. Les variables peuvent être surchargées par une démo.
 */
course-header.course-header {
  --header-background: var(--color-primary, #087ee6);
  --header-border: #096cc5;
  --header-text: #ffffff;

  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 280px;
  align-items: stretch;
  width: min(1600px, calc(100% - 36px));
  max-width: 1600px;
  margin: 12px auto 0;
  padding: 0;
  overflow: hidden;
  color: var(--header-text);
  background: var(--header-background);
  border: 1px solid var(--header-border);
  border-radius: 11px;
  box-shadow: 0 4px 16px #075eae2e;
}

.course-header h1 {
  align-self: center;
  margin: 0;
  padding: 0 18px;
  color: var(--header-text);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  letter-spacing: -0.02em;
  text-align: center;
}

.course-identity {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 66px;
  padding: 12px 18px;
  color: var(--header-text);
  line-height: 1.12;
}

.course-identity strong {
  color: var(--header-text);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.course-identity span {
  margin-top: 4px;
  color: #eaf5ff;
  font-size: 0.84rem;
}

.course-header .instructor {
  align-self: center;
  justify-self: end;
  padding-right: 18px;
  color: var(--header-text);
  font-size: 0.92rem;
  font-weight: 700;
}

@media (max-width: 850px) {
  course-header.course-header {
    grid-template-columns: 220px minmax(0, 1fr) 180px;
  }
}

@media (max-width: 560px) {
  course-header.course-header {
    grid-template-columns: 1fr auto;
    width: calc(100% - 20px);
    margin-top: 10px;
  }

  .course-header h1 {
    grid-column: 1 / -1;
    grid-row: 1;
    padding: 13px 12px;
    text-align: center;
  }

  .course-identity {
    grid-row: 2;
    min-height: 56px;
    padding: 10px 13px;
  }

  .course-header .instructor {
    grid-row: 2;
    padding: 0 13px;
  }
}