:root {
  --bg: #f7f8fb;
  --primary: #6c5ce7;
  --primary-light: #a29bfe;
  --text: #2d3436;
  --muted: #636e72;
  --card-bg: #ffffff;
  --border: #dfe6e9;
  --danger: #d63031;
  --info: #0984e3;
  font-size: 16px;
  font-family: "Noto Sans TC", "Helvetica Neue", Arial, sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

h1, h2, h3 {
  margin: 0 0 12px;
}

.subtitle {
  color: var(--muted);
  font-size: 0.95rem;
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
  margin-bottom: 24px;
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

label {
  font-weight: 600;
  font-size: 0.95rem;
}

input[type="text"],
input[type="password"] {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 1rem;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button.primary {
  background: var(--primary);
  color: #fff;
}

button.secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

button:active {
  transform: scale(0.98);
}

.error {
  color: var(--danger);
  min-height: 1.2em;
}

.info {
  color: var(--info);
  min-height: 1.2em;
}

.hidden {
  display: none;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin: 16px 0 24px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.summary-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  padding: 18px;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.25);
}

.summary-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.summary-card p {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.toggle-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
}

.toggle input[type="checkbox"] {
  width: 42px;
  height: 22px;
}

#history-table {
  width: 100%;
  border-collapse: collapse;
}

#history-table th,
#history-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

#history-table th {
  color: var(--muted);
  font-weight: 600;
}

.action-buttons {
  display: flex;
  gap: 8px;
}

.btn-icon {
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--primary);
  font-size: 14px;
  transition: color 0.2s;
}

.btn-icon:hover {
  color: var(--primary-dark);
}

.btn-icon.delete {
  color: #dc3545;
}

.btn-icon.delete:hover {
  color: #bd2130;
}

/* Dialog 樣式 */
.dialog {
  border: none;
  border-radius: 12px;
  padding: 0;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.dialog-content {
  padding: 24px;
}

.dialog-content h3 {
  margin: 0 0 20px 0;
  color: var(--text);
}

.dialog-content label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 14px;
}

.dialog-content input[type="date"],
.dialog-content textarea {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}

.dialog-content textarea {
  resize: vertical;
}

.dialog-buttons {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 20px;
}

.btn-primary,
.btn-secondary {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text);
}

.btn-secondary:hover {
  background-color: var(--border);
}

@media (max-width: 600px) {
  .card {
    padding: 18px;
  }

  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .summary-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}