:root {
  --bg-light: #ffffff;
  --text-light: #1a1a1a;
  --card-light: #f0f4ff;

  --bg-dark: #121212;
  --text-dark: #e0e0e0;
  --card-dark: #1e1e1e;

  --accent: #4f8cff;
}

[data-theme="light"] {
  background-color: var(--bg-light);
  color: var(--text-light);
  scrollbar-color: auto;
}

[data-theme="dark"] {
  background-color: var(--bg-dark);
  color: var(--text-dark);
  scrollbar-color: #555 #222;
}

select#file-selector {
  margin-left: 1rem;
  padding: 0.3rem 0.6rem;
  font-size: 1rem;
  border-radius: 8px;
  border: 1px solid currentColor;
  background-color: var(--card-light);
  color: var(--text-light);
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
}

[data-theme="dark"] select#file-selector {
  background-color: var(--card-dark);
  color: var(--text-dark);
  border-color: #555;
}

body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  padding: 1rem;
  line-height: 1.6;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

h1 {
  font-size: 1.5rem;
  margin: 0;
}

.toggle-theme {
  background: none;
  border: 1px solid currentColor;
  border-radius: 8px;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  font-size: 1rem;
}

[data-theme="light"] .item {
  background-color: #f0f0f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

select {
  padding: 0.4rem;
  border-radius: 8px;
  font-size: 1rem;
}

main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.item {
  border-radius: 16px;
  padding: 1rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s;
}

.item:hover {
  transform: translateY(-3px);
}

[data-theme="light"] .item {
  background-color: var(--card-light);
}

[data-theme="dark"] .item {
  background-color: var(--card-dark);
}

.field {
  margin-bottom: 0.4rem;
}

.field strong {
  color: var(--accent);
  font-weight: 600;
}

.item-title {
  font-weight: bold;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.2rem;
  }
}

h1 {
  display: none;
}

select#file-selector {
  margin-left: 0;
}