/* ============================================
   CaseMirror Alpha Banner
   ============================================
   A persistent banner indicating alpha status
   with link to welcome/feedback info.
   ============================================ */

/* Alpha Banner - Fixed position at top */
.alpha-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10001;

  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xs) var(--space-lg);

  background: linear-gradient(135deg, var(--color-burgundy) 0%, var(--color-burgundy-dark) 100%);
  color: var(--color-white);
  font-family: var(--font-ui);
  font-size: 0.8125rem;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.alpha-banner-text {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.alpha-banner-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.alpha-banner-message {
  color: rgba(255, 255, 255, 0.95);
}

.alpha-banner-link {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
  transition: opacity var(--transition-fast);
}

.alpha-banner-link:hover {
  color: #fff8e7; /* Cream white for contrast on burgundy */
  text-decoration-color: #fff8e7;
}

.alpha-banner-dismiss {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  padding: var(--space-xs);
  margin-left: var(--space-sm);
  border-radius: 4px;
  line-height: 0;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.alpha-banner-dismiss:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
}

.alpha-banner-dismiss svg {
  width: 16px;
  height: 16px;
}

/* Adjust page content to account for banner */
body.has-alpha-banner {
  padding-top: 36px;
}

/* When banner is dismissed (session storage) */
body.alpha-banner-dismissed .alpha-banner {
  display: none;
}

body.alpha-banner-dismissed {
  padding-top: 0;
}

/* Mobile responsive */
@media (max-width: 640px) {
  .alpha-banner {
    flex-wrap: wrap;
    padding: var(--space-sm) var(--space-md);
    text-align: center;
  }

  .alpha-banner-text {
    flex-wrap: wrap;
    justify-content: center;
  }

  body.has-alpha-banner {
    padding-top: 52px;
  }
}