:root {
  --font-family: monospace;
  --background-color: #0d1117;
  --text-color: #e6edf3;
  --text-color-secondary: #8b949e;
  --border-color: #30363d;
  --container-background: #161b22;
  --button-background: #21262d;
  --button-background-hover: #30363d;
  --button-primary-background: #238636;
  --button-primary-background-hover: #2ea043;
  --error-color: #f85149;
  --spacing-unit: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: var(--font-family);
  font-size: 14px;
}

main {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  padding: var(--spacing-unit);
  background-color: var(--container-background);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
}

header span {
  color: var(--text-color-secondary);
}

.content-wrapper {
  padding: calc(var(--spacing-unit) * 2);
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.page-header {
  margin-bottom: calc(var(--spacing-unit) * 2);
  text-align: center;
}

.page-header h1 {
  font-size: 24px;
  margin-bottom: calc(var(--spacing-unit) / 2);
}

.page-header p {
  font-size: 16px;
  color: var(--text-color-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.actions-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--spacing-unit) * 2);
}

@media (min-width: 768px) {
  .actions-container {
    grid-template-columns: 1fr 1fr;
  }
}

.action-card {
  background-color: var(--container-background);
  border: 1px solid var(--border-color);
  padding: var(--spacing-unit);
  border-radius: 6px;
}

.action-card h2 {
  margin-top: 0;
  font-size: 18px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--spacing-unit);
  margin-bottom: var(--spacing-unit);
}

button {
  width: 100%;
  background: var(--button-background);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 10px var(--spacing-unit);
  border-radius: 6px;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s;
}

button:hover:not(:disabled) {
  background-color: var(--button-background-hover);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button.primary {
    background-color: var(--button-primary-background);
    border-color: var(--button-primary-background-hover);
}

button.primary:hover:not(:disabled) {
    background-color: var(--button-primary-background-hover);
}

.result-display {
  margin-top: var(--spacing-unit);
  padding: var(--spacing-unit);
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 13px;
  min-height: 100px;
}

.result-display strong {
  color: var(--text-color-secondary);
}

.error {
  color: var(--error-color);
  margin-top: calc(var(--spacing-unit) / 2);
  font-size: 13px;
}

.login {
  height: 100vh;
  display: grid;
  place-content: center;
  gap: 20px;
  text-align: center;
}

.login a {
  color: #58a6ff;
  font-size: 18px;
}