/* Welcome Overlay - Introductory help screen for full-screen applications */

.welcome-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: welcomeOverlayFadeIn 0.3s ease-in-out;
}

@keyframes welcomeOverlayFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.welcome-overlay__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.welcome-overlay__content {
  position: relative;
  background-color: var(--color-beige-light);
  border: 3px solid var(--color-red-accent);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  font-family: var(--font-mono);
  z-index: 1;
}

.welcome-overlay__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  background-color: var(--color-red-accent);
  border-bottom: 2px solid var(--color-gray-medium);
}

.welcome-overlay__title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-beige-light);
}

.welcome-overlay__close {
  background: none;
  border: none;
  color: var(--color-beige-light);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background-color 0.15s ease;
}

.welcome-overlay__close:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.welcome-overlay__body {
  padding: 2rem;
}

.welcome-overlay__intro {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  color: var(--color-gray-darker);
  font-weight: 600;
}

.welcome-overlay__section {
  margin-bottom: 1.5rem;
}

.welcome-overlay__section h3 {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  color: var(--color-gray-darker);
}

.welcome-overlay__section p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
  color: var(--color-gray-darker);
}

.welcome-overlay__section ul {
  margin: 0;
  padding-left: 1.5rem;
  list-style-type: disc;
}

.welcome-overlay__section li {
  font-size: 0.875rem;
  line-height: 1.8;
  margin-bottom: 0.25rem;
  color: var(--color-gray-darker);
}

.welcome-overlay__footer {
  padding: 1.5rem;
  background-color: var(--color-beige-dark);
  border-top: 2px solid var(--color-gray-medium);
  display: flex;
  justify-content: center;
}

.welcome-overlay__footer .button {
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 0.75rem 2rem;
  background-color: var(--color-red-accent);
  color: var(--color-beige-light);
  border: 2px solid var(--color-gray-medium);
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all 0.15s ease;
}

.welcome-overlay__footer .button:hover {
  background-color: var(--color-coral);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
  .welcome-overlay__content {
    max-width: 90vw;
    margin: 1rem;
  }

  .welcome-overlay__header {
    padding: 1rem;
  }

  .welcome-overlay__title {
    font-size: 1.25rem;
  }

  .welcome-overlay__body {
    padding: 1.5rem;
  }

  .welcome-overlay__intro {
    font-size: 0.875rem;
  }

  .welcome-overlay__section h3 {
    font-size: 0.875rem;
  }

  .welcome-overlay__section p,
  .welcome-overlay__section li {
    font-size: 0.8125rem;
  }
}