:root {
  /* Light Theme (Default) */
  --color-background: #ffffff;
  --color-text: #333333;
  --color-primary: #2563eb;
  --color-secondary: #64748b;
  --color-accent: #f59e0b;
  --border-radius: 0.5rem;
}

[data-theme="dark"] {
  /* Dark Theme */
  --color-background: #1e293b;
  --color-text: #f1f5f9;
  --color-primary: #3b82f6;
  --color-secondary: #94a3b8;
  --color-accent: #f59e0b;
}

/* Base Styles */
body {
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: sans-serif;
  padding: 2rem;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-secondary);
}

.showcase section {
  margin-bottom: 3rem;
}

.component-grid {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Button Components */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: bold;
  transition: opacity 0.2s ease;
}

.btn:hover {
  opacity: 0.9;
}

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

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

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

/* Card Component */
.card {
  background-color: var(--color-background);
  border: 1px solid var(--color-secondary);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  max-width: 300px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Input Components */
.input {
  padding: 0.75rem;
  border: 1px solid var(--color-secondary);
  border-radius: var(--border-radius);
  background-color: var(--color-background);
  color: var(--color-text);
  width: 100%;
  max-width: 300px;
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Alert Components */
.alert {
  padding: 1rem;
  border-radius: var(--border-radius);
  font-weight: bold;
  max-width: 400px;
}

.alert-success {
  background-color: #10b981;
  color: white;
}

.alert-error {
  background-color: #ef4444;
  color: white;
}

.alert-warning {
  background-color: #f59e0b;
  color: white;
}