:root {
  --background: #ffffff;
  --foreground: #000000;
  --muted: #fafafa;
  --muted-foreground: #737373;
  --border: #e5e5e5;
  --input: #e5e5e5;
  --primary: #000000;
  --primary-foreground: #ffffff;
  --radius: 0.5rem;
  --code-bg: #171717;
  --code-fg: #ffffff;
  
  --error: #dc2626;
  --error-foreground: #fef2f2;
  --error-border: #fee2e2;
  --error-shadow: rgb(220 38 38 / 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #000000;
    --foreground: #ffffff;
    --muted: #171717;
    --muted-foreground: #a3a3a3;
    --border: #262626;
    --input: #262626;
    --primary: #ffffff;
    --primary-foreground: #000000;
    --code-bg: #171717;
    --code-fg: #ffffff;
    
    --error: #fca5a5;
    --error-foreground: #450a0a;
    --error-border: #7f1d1d;
    --error-shadow: rgb(252 165 165 / 100%);
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--background);
  color: var(--foreground);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  line-height: 1.5;
}

.container {
  width: 100%;
  max-width: 400px;
  padding: 2.5rem;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header {
  text-align: center;
  margin-bottom: 2rem;
}

.title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.description {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.alert {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 1.5rem 0;
  font-size: 0.875rem;
}

.alert p {
  margin-bottom: 0.5rem;
}

.alert p:last-child {
  margin-bottom: 0;
}

.code {
  background: var(--code-bg);
  color: var(--code-fg);
  padding: 1rem;
  border-radius: var(--radius);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  overflow-x: auto;
  margin: 1rem 0;
}

.code-comment {
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.code-line {
  display: block;
  min-height: 1rem;
}

.code-indent {
  display: inline-block;
  width: 1rem;
}

.text-center {
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-top: 1.5rem;
}

/* Form specific styles */
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-label {
  font-size: 0.875rem;
  font-weight: 500;
}

.input {
  padding: 0.75rem 1rem;
  background: var(--background);
  border: 1px solid var(--input);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--foreground);
  transition: border-color 0.2s;
}

.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.button {
  padding: 0.75rem 1rem;
  background: var(--primary);
  color: var(--primary-foreground);
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.button:hover {
  opacity: 0.9;
}

.button-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
  margin-left: 2px;
}

.button:hover .button-arrow {
  transform: translateX(4px);
}

@media (max-width: 640px) {
  .container {
    padding: 1.5rem;
  }
}

.error-message {
  background: var(--error-foreground);
  border: 1px solid var(--error-border);
  color: var(--error);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-error {
  border-color: var(--error);
}

.input-error:focus {
  border-color: var(--error);
  box-shadow: 0 0 0 1px var(--error-shadow);
}