/* ==========================================================================
   Series Navigation Styles - Bubble Navigation
   Navigation component for series episodes with bubble indicators
   ========================================================================== */

.series-navigation {
  margin: 0 0 var(--space-2xl);
  padding: var(--space-xl);
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg-elevated) 100%);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* Series title/header */
.series-navigation__header {
  margin-bottom: var(--space-lg);
  font-family: var(--font-sans);
  text-align: center;
}

.series-navigation__label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.series-navigation__name {
  display: inline-block;
  font-size: var(--font-size-lg);
  font-weight: 700;
  /* color inherited from base link styles */
}

a.series-navigation__name:hover {
  color: var(--color-primary-dark);
}

/* Navigation controls container */
.series-navigation__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.25rem, 2vw, var(--space-md));
  flex-wrap: nowrap;
}

/* Prev/Next buttons - use is-style-fluid-scale from base button.css */
.series-navigation__button {
  flex-shrink: 0;
}

.series-navigation__button .wp-block-button__link {
  display: inline-flex;
  align-items: center;
  gap: clamp(0.25rem, 1vw, var(--space-xs));
}

.series-navigation__button--disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

/* Coming Soon/Missing bubble - reuse series-card styling pattern */
.series-navigation__bubble--coming-soon {
  opacity: 0.3;
}

/* Only disable clicking on non-link coming-soon bubbles (missing posts) */
.series-navigation__bubble--coming-soon span.wp-block-button__link {
  cursor: not-allowed;
  pointer-events: none;
}

/* Coming-soon bubbles with links are still clickable (published stubs) */
.series-navigation__bubble--coming-soon a.wp-block-button__link {
  cursor: pointer;
  pointer-events: auto;
}

/* Episode bubbles container - horizontally scrollable */
.series-navigation__bubbles {
  display: flex;
  align-items: center;
  justify-content: flex-start; /* Start alignment for scrollable content */
  gap: clamp(0.25rem, 1vw, var(--space-sm));
  flex-wrap: nowrap;
  flex: 1;
  max-width: 600px;
  overflow-x: auto;
  overflow-y: visible; /* Allow hover scale to overflow */
  -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
  scrollbar-width: none; /* Hide scrollbar in Firefox */
  padding: var(--space-sm) var(--space-xs); /* Increased vertical padding for scaled bubbles and borders */
  scroll-behavior: smooth; /* Smooth scroll to current bubble */
}

/* Hide scrollbar for webkit browsers */
.series-navigation__bubbles::-webkit-scrollbar {
  display: none;
}

/* Individual bubble - circular shape extending WordPress button classes */
.series-navigation__bubble {
  flex-shrink: 0;
}

.series-navigation__bubble.wp-block-button .wp-block-button__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(28px, 5vw, 40px);
  height: clamp(28px, 5vw, 40px);
  font-size: clamp(0.65rem, 1.2vw, 0.875rem);
  border-radius: 50%;
  padding: 0;
  /* Colors, borders, typography, text-decoration inherited from WordPress button block */
}

.series-navigation__bubble.wp-block-button .wp-block-button__link:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.series-navigation__bubble.wp-block-button .wp-block-button__link:active {
  transform: scale(1.1); /* Prevent click animation, maintain hover scale */
}

/* Current episode bubble - slightly larger and emphasized */
.series-navigation__bubble--current.wp-block-button .wp-block-button__link {
  box-shadow: var(--shadow-sm);
  border-width: 3px;
  transform: scale(1.15);
}

.series-navigation__bubble--current.wp-block-button .wp-block-button__link:hover {
  transform: scale(1.15);
  cursor: default;
}

.series-navigation__bubble--current.wp-block-button .wp-block-button__link:active {
  transform: scale(1.15); /* Prevent click animation on current bubble */
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 640px) {
  .series-navigation {
    padding: var(--space-md);
  }

  .series-navigation__header {
    margin-bottom: var(--space-md);
  }
}