/* ===== GROUPS GRID ===== */
.groups__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.group-card {
  background: rgba(1, 87, 155, 0.35);
  border: 1px solid var(--dorado-600);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.2s, box-shadow 0.2s;
}

.group-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-dorada);
}

.group-card__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.group-card__letter {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--dorado-500);
  letter-spacing: 2px;
}

.group-card__body {
  padding: 0;
}

/* Standings table */
.group-card__table {
  width: 100%;
  border-collapse: collapse;
}

.group-card__table thead th {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.1);
  color: var(--dorado-500);
  padding: 10px 8px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 215, 0, 0.15);
  white-space: nowrap;
}

.group-card__table thead th:first-child {
  text-align: left;
  padding-left: 16px;
}

.group-card__table tbody td {
  padding: 10px 8px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9rem;
}

.group-card__table tbody tr:hover {
  background: rgba(255, 255, 255, 0.04);
}

.group-card__table tbody tr:last-child td {
  border-bottom: none;
}

.group-card__table .team-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 16px;
}

.group-card__table .team-cell img {
  width: 22px;
  height: 15px;
  object-fit: cover;
  border-radius: 2px;
}

.group-card__table .team-cell span {
  font-weight: 600;
  font-size: 0.9rem;
}

/* Qualified row styling */
.group-card__table tbody tr.qualified {
  border-left: 3px solid var(--dorado-500);
}

/* Group position badge */
.group-card__table .pos-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: bold;
}

.pos-badge--1 {
  background: var(--dorado-500);
  color: var(--celeste-900);
}

.pos-badge--2 {
  background: var(--blanco-60);
  color: var(--celeste-900);
}

.pos-badge--3 {
  background: var(--blanco-10);
  color: var(--blanco-80);
}

.pos-badge--4 {
  background: transparent;
  color: var(--blanco-60);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .groups__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .group-card__table thead th {
    font-size: 0.65rem;
    padding: 8px 5px;
  }

  .group-card__table tbody td {
    padding: 8px 5px;
    font-size: 0.8rem;
  }

  .group-card__table .team-cell {
    gap: 5px;
    padding-left: 10px;
  }

  .group-card__table .team-cell img {
    width: 18px;
    height: 12px;
  }
}