/* 최상위 도메인 선택 카드 */
.domain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 600px;
  margin: 0 auto;
}
@media (max-width: 480px) {
  .domain-grid { grid-template-columns: 1fr; }
}
.domain-card {
  background: #fff;
  border: 2px solid #1a73e8;
  border-radius: 14px;
  padding: 40px 24px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  transition: transform 0.15s, box-shadow 0.15s;
  display: block;
}
.domain-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(26,115,232,0.18);
}
.domain-icon { font-size: 48px; margin-bottom: 14px; }
.domain-card h2 { font-size: 20px; font-weight: 700; color: #1a1a2e; margin-bottom: 8px; }
.domain-card p { font-size: 13px; color: #666; margin-bottom: 20px; }
.domain-btn {
  display: inline-block;
  background: #1a73e8;
  color: #fff;
  border-radius: 6px;
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 600;
}

/* 메인 페이지 카드 그리드 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 520px) {
  .card-grid { grid-template-columns: 1fr; }
}

.quarter-card {
  background: #fff;
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  transition: transform 0.15s, box-shadow 0.15s;
}

.quarter-card.active {
  border: 2px solid #1a73e8;
}
.quarter-card.active:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(26,115,232,0.15);
}
.quarter-card.inactive {
  border: 2px solid #e0e0e0;
  opacity: 0.65;
}

.card-icon {
  font-size: 36px;
  font-weight: 800;
  color: #1a73e8;
  margin-bottom: 12px;
  letter-spacing: -1px;
}
.quarter-card.inactive .card-icon {
  color: #bbb;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: #222;
  margin-bottom: 8px;
}

.card-status {
  font-size: 13px;
  color: #666;
  margin-bottom: 20px;
}
.quarter-card.inactive .card-status {
  color: #aaa;
}

.card-btn {
  display: inline-block;
  background: #1a73e8;
  color: #fff;
  border-radius: 6px;
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}
.card-btn:hover {
  background: #1557b0;
}
.card-btn.disabled {
  background: #d0d0d0;
  color: #aaa;
  cursor: not-allowed;
  pointer-events: none;
}