/* Shared design system & variables */
:root {
  --bg-primary: #fbfaf6;
  --bg-secondary: #ffffff;
  --text-primary: #17211f;
  --text-secondary: #64716d;
  --accent: #27644c;
  --accent-hover: #1d503c;
  --accent-soft: #edf4ee;
  --border: #dce1dc;
  --code-bg: #18201e;
  --shadow: 0 12px 30px rgba(23, 33, 31, 0.07);
  --error: #cc3333;
  --success: #228b22;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Manrope', Arial, sans-serif;
  line-height: 1.6;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Site Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  margin-top: 5rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-footer a {
  font-weight: 700;
}

.site-footer a:hover {
  color: var(--accent);
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.55rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 7px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.85rem;
  white-space: nowrap;
  transition: all 0.2s ease;
}

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

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

.button-primary:disabled {
  background-color: var(--text-secondary);
  opacity: 0.6;
  cursor: not-allowed;
}

.button-secondary {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border-color: var(--border);
}

.button-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.button-danger {
  color: white;
  background-color: var(--error);
}

.button-danger:hover {
  background-color: #a32424;
}

/* Loading States */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  margin-right: 0.5rem;
  border: 2px solid #a8b4ad;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Error/Success Alert Box */
.alert {
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
}

.alert-error {
  background-color: #fdf2f2;
  border-color: #f5c2c2;
  color: var(--error);
}

.alert-success {
  background-color: #f2fbf2;
  border-color: #c2f5c2;
  color: var(--success);
}

/* Utilities */
.text-center {
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 768px) {
  .site-footer .container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}