* {
  box-sizing: border-box;
}

body {
  font-family: "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f6f8;
  color: #1f2933;
  line-height: 1.6;
}

header, footer {
  background: #14213d;
  color: #fefcfb;
  padding: 1.5rem;
  text-align: center;
}

main {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 1.25rem;
  padding: 1.5rem;
}

section {
  background: #ffffff;
  border-radius: 8px;
  padding: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

#celebrity-detail {
  grid-column: span 2;
}

.list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
}

.list li {
  padding: 0.5rem;
  border-bottom: 1px solid #e5e7eb;
  cursor: pointer;
}

.list li:hover,
.list li.active {
  background: #eef2ff;
}

.tabs {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
}

.tab {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid #c7d2fe;
  background: #e0e7ff;
  cursor: pointer;
}

.tab.active {
  background: #312e81;
  color: white;
}

.tab-panel {
  display: none;
  margin-top: 1rem;
}

.tab-panel.active {
  display: block;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.card {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 1rem;
  background: #f9fafb;
}

.card header {
  margin: 0 0 0.5rem;
}

.card footer {
  margin-top: 0.75rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  background: transparent;
  padding: 0;
}

.timeline {
  padding-left: 1.2rem;
}

.timeline li {
  margin-bottom: 0.75rem;
}

.map-container {
  min-height: 360px;
  width: 100%;
}

.like-button {
  border: none;
  background: #4f46e5;
  color: #ffffff;
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
}

.like-button:hover {
  background: #3730a3;
}

.comment-list {
  margin-top: 0.5rem;
  border-top: 1px solid #e5e7eb;
  padding-top: 0.5rem;
}

.comment {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

@media (max-width: 960px) {
  main {
    grid-template-columns: 1fr;
  }

  #celebrity-detail {
    grid-column: span 1;
  }
}