/* UXM Season timeline bar — pages must define :root --red, --ink, --cond */
/* Horizontal strip: ~six stops visible; overflow scrolls; off-screen stops fade via JS + edge mask */

.season-arc {
  border-bottom: 3px solid var(--ink);
  margin-top: 0;
  background: var(--ink);
  color: #fff;
  padding: 16px 28px 18px;
}

/* Ideation-tagged article pages use the same black timeline band as the rest of the site */
.season-arc.season-arc--ideation {
  background: var(--ink);
  border-bottom-color: var(--ink);
}

.season-arc-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.season-label {
  font-family: var(--cond);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 12px;
}

/* Scroll viewport: wrapper (optional) or direct track */
.season-track-scroll {
  width: 100%;
  container-type: inline-size;
  container-name: seasonViewport;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 8px;
  mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 36px,
    #000 calc(100% - 36px),
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 36px,
    #000 calc(100% - 36px),
    transparent 100%
  );
}

.season-arc-inner > .season-track {
  container-type: inline-size;
  container-name: seasonViewport;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 8px;
  mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 36px,
    #000 calc(100% - 36px),
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 36px,
    #000 calc(100% - 36px),
    transparent 100%
  );
}

.season-track-scroll > .season-track {
  overflow: visible;
  min-width: max-content;
}

.season-track {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  position: relative;
  padding: 6px 4px 10px;
}

.season-line {
  position: absolute;
  top: calc(4px + 7.5px - 1px);
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.14);
  z-index: 0;
  pointer-events: none;
}

/* ~six columns per viewport width (container = scrollport) */
.uxm-season-timeline .season-track > .season-ep {
  flex: 0 0 calc(100cqw / 6 - 9px);
  max-width: none;
  min-width: 0;
  padding-top: 4px;
}

.season-ep {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: default;
}

a.season-ep.season-ep--nav,
button.season-ep.season-ep--nav {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  outline-offset: 4px;
  font: inherit;
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
  text-align: center;
  width: 100%;
}

a.season-ep.season-ep--nav:hover .season-ep-dot,
button.season-ep.season-ep--nav:hover .season-ep-dot {
  transform: scale(1.08);
}

a.season-ep.season-ep--nav:focus-visible,
button.season-ep.season-ep--nav:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.season-ep.season-ep--pillar {
  cursor: default;
  pointer-events: none;
}

.season-ep.season-ep--pillar .season-ep-name {
  color: rgba(255, 255, 255, 0.88);
}

.season-ep.season-ep--pillar .season-ep-guest {
  color: rgba(255, 255, 255, 0.5);
}

.season-ep.season-ep--muted {
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}

/* Partially outside scrollport (toggled by season-timeline.js) */
.season-ep.season-ep--scroll-dim {
  opacity: 0.4;
}

.season-ep.active.season-ep--scroll-dim,
.season-ep[aria-pressed="true"].season-ep--scroll-dim {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .season-ep-dot {
    transition: none;
  }
}

.season-ep-dot {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  background: transparent;
  margin-bottom: 10px;
  transition: transform 0.15s;
  flex-shrink: 0;
}

/* Legacy class — all stops are hollow by default */
.season-ep-dot--hollow {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
}

.season-ep.active .season-ep-dot,
.season-ep[aria-pressed="true"] .season-ep-dot {
  background: var(--red);
  border-color: var(--red);
  width: 19px;
  height: 19px;
  margin-top: -2px;
  margin-bottom: 8px;
}

.season-ep-name {
  font-family: var(--cond);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
  line-height: 1.35;
}

.season-ep.active .season-ep-name,
.season-ep[aria-pressed="true"] .season-ep-name {
  color: #fff;
}

.season-ep-guest {
  font-family: var(--cond);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.28);
  text-align: center;
  margin-top: 3px;
}

.season-ep.active .season-ep-guest,
.season-ep[aria-pressed="true"] .season-ep-guest {
  color: rgba(255, 255, 255, 0.52);
}

/* Placeholder stop after the latest ideation */
.season-ep.season-ep--coming-soon {
  opacity: 0.38;
  pointer-events: none;
}

.season-ep-dot.season-ep-dot--coming-soon {
  width: 14px;
  height: 14px;
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.35);
  background: transparent !important;
}

.season-ep--coming-soon .season-ep-name {
  color: rgba(255, 255, 255, 0.45);
  font-size: 10px;
}

@media (max-width: 900px) {
  .season-label {
    letter-spacing: 0.12em;
    font-size: 10px;
    line-height: 1.45;
  }

  .season-ep-name {
    font-size: 10px;
  }

  .season-ep-guest {
    font-size: 10px;
  }

  .season-track-scroll,
  .season-arc-inner > .season-track {
    mask-image: linear-gradient(
      to right,
      transparent 0,
      #000 28px,
      #000 calc(100% - 28px),
      transparent 100%
    );
    -webkit-mask-image: linear-gradient(
      to right,
      transparent 0,
      #000 28px,
      #000 calc(100% - 28px),
      transparent 100%
    );
  }
}

/* Legacy visibility helpers: show every stop (horizontal scroll replaces hiding) */
.season-ep.season-ep--timeline-tablet-hide,
.season-ep.season-ep--timeline-mobile-hide {
  display: flex !important;
}

/* The Conversation — deferred; remove when member threads launch */
.conversation-section,
.conv-hook {
  display: none !important;
}