/* =========================================================
   works.css — Works page accordion
   ========================================================= */

/* ---------------------------------------------------------
   Page wrapper
   --------------------------------------------------------- */
.works {
  padding-top: var(--space-12);
  padding-bottom: var(--space-24);
}

/* ---------------------------------------------------------
   Header label
   --------------------------------------------------------- */
.works__header {
  margin-bottom: var(--space-8);
}

.works__label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  color: var(--color-cyan);
  text-transform: uppercase;
}

/* ---------------------------------------------------------
   Accordion list
   --------------------------------------------------------- */
.works__list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--color-border);
}

/* ---------------------------------------------------------
   Individual item
   --------------------------------------------------------- */
.works__item {
  border-bottom: 1px solid var(--color-border);
  transition: opacity var(--transition-slow);
}

.works__item--dim {
  opacity: 0.35;
}

/* ---------------------------------------------------------
   Trigger button
   --------------------------------------------------------- */
.works__trigger {
  width: 100%;
  background: transparent;
  border: none;
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: var(--color-text);
  font-family: var(--font-mono);
  text-align: left;
  gap: var(--space-4);
}

.works__trigger:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 4px;
}

/* ---------------------------------------------------------
   Title meta row (index + prefix + title)
   --------------------------------------------------------- */
.works__meta {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  min-width: 0;
}

.works__index {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.works__prefix {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-cyan);
  opacity: 0;
  transform: translateX(-10px);
  transition:
    opacity  var(--transition-base),
    transform var(--transition-base);
  user-select: none;
  flex-shrink: 0;
}

.works__trigger:hover .works__prefix,
.works__trigger:focus-visible .works__prefix,
.works__trigger[aria-expanded="true"] .works__prefix {
  opacity: 1;
  transform: translateX(0);
}

/* Title + inline descriptor live in a flex group so they sit center-aligned */
.works__title-group {
  display: flex;
  align-items: center;
  min-width: 0;
  overflow: hidden; /* clips descriptor on narrow viewports */
}

.works__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  letter-spacing: 0.04em;
  color: var(--color-text);
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

/* Individual letter spans — width pinned by JS to prevent layout shift */
.works__letter {
  display: inline-block;
}

.works__trigger:hover .works__title,
.works__trigger:focus-visible .works__title,
.works__trigger[aria-expanded="true"] .works__title {
  color: var(--color-cyan);
}

/* ---------------------------------------------------------
   Inline descriptor — visible when collapsed, fades out on open
   --------------------------------------------------------- */
/* Pipe separator — padding gives breathing room on both sides of | */
.works__sep {
  padding: 0 0.5em;
  color: var(--color-text-dim);
  opacity: 0.6;
}

.works__descriptor {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  letter-spacing: 0.06em;
  white-space: nowrap;
  flex-shrink: 1;
  min-width: 0;
  opacity: 1;
  transform: translateY(0);
  /* Closing: descriptor fades back in, slides up — small delay so subtitle exits first */
  transition: opacity 200ms ease 60ms, transform 200ms ease 60ms;
}

/* When open: fade out downward */
.works__item:has([aria-expanded="true"]) .works__descriptor {
  opacity: 0;
  transform: translateY(7px);
  pointer-events: none;
  transition: opacity 170ms ease, transform 170ms ease;
}

/* Hide on screens where it would be too cramped */
@media (max-width: 700px) {
  .works__descriptor { display: none; }
}

/* ---------------------------------------------------------
   Subtitle — hidden when collapsed, slides in on open
   --------------------------------------------------------- */
.works__subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-body);
  line-height: 1.6;
  color: #c8c8b0;
  margin: 0;
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-cyan);
  /* Closed state: collapsed above its resting point, invisible */
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-7px);
  margin-bottom: 0;
  /* Closing: fade out upward, then collapse height after opacity done */
  transition:
    opacity    160ms ease,
    transform  160ms ease,
    max-height 0ms   160ms,
    margin-bottom 0ms 160ms;
}

/* When open: slide down into view */
.works__item:has([aria-expanded="true"]) .works__subtitle {
  max-height: 6em;
  opacity: 1;
  transform: translateY(0);
  margin-bottom: var(--space-3);
  /* Opening: expand height instantly, then fade in with short delay */
  transition:
    opacity    220ms ease 90ms,
    transform  220ms ease 90ms,
    max-height 0ms,
    margin-bottom 0ms;
}

/* ---------------------------------------------------------
   Toggle icon (+/×)
   --------------------------------------------------------- */
.works__toggle-icon {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-cyan);
  line-height: 1;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.works__trigger[aria-expanded="true"] .works__toggle-icon {
  transform: rotate(45deg);
}

/* ---------------------------------------------------------
   Panel — collapsible content
   --------------------------------------------------------- */
.works__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 640ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------------------------------------------------------
   Panel inner layout
   --------------------------------------------------------- */
.works__panel-inner {
  padding-bottom: var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* ---------------------------------------------------------
   Image gallery — horizontal scroll strip
   --------------------------------------------------------- */
.works__gallery {
  display: flex;
  gap: var(--space-4);
  overflow-x: scroll; /* always show scrollbar, not just on overflow */
  overflow-y: hidden;
  padding-bottom: var(--space-4); /* extra room for the taller scrollbar */
  -webkit-overflow-scrolling: touch;
  cursor: grab;
  /* Firefox scrollbar — always visible, thin style */
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-bg);
}

.works__gallery:active {
  cursor: grabbing;
}

.works__gallery:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

/* 1.7× original 4px = ~7px */
.works__gallery::-webkit-scrollbar { height: 7px; }
.works__gallery::-webkit-scrollbar-track { background: var(--color-bg); }
.works__gallery::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}
.works__gallery::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-dim);
}

/* ---------------------------------------------------------
   Image slot — placeholder (2× original 440px = 880px)
   --------------------------------------------------------- */
.works__img-slot {
  flex-shrink: 0;
  width: 880px;
  aspect-ratio: 16 / 9;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.works__img-slot img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Subtle crosshatch placeholder texture */
.works__img-slot::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, var(--color-border) 25%, transparent 25%),
    linear-gradient(-45deg, var(--color-border) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--color-border) 75%),
    linear-gradient(-45deg, transparent 75%, var(--color-border) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  opacity: 0.12;
}

/* ---------------------------------------------------------
   Info block — description + learned + tools (3 cols)
   description and learned equal width; tools on the right
   --------------------------------------------------------- */
.works__info {
  display: grid;
  grid-template-columns: 7fr 9fr 4fr;
  gap: var(--space-8);
  align-items: start;
}

.works__section-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.15em;
  color: var(--color-cyan);
  margin: 0 0 var(--space-4);
}

/* ---------------------------------------------------------
   Tools list — tag chips
   --------------------------------------------------------- */
.works__tools-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.works__tools-list li {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-cyan);
  border: 1px solid var(--color-cyan);
  padding: 2px 10px;
  opacity: 0.9;
  text-transform: uppercase;
}

/* ---------------------------------------------------------
   Description + Learned text
   --------------------------------------------------------- */
.works__desc,
.works__learned {
  font-family: var(--font-mono);
  font-size: var(--text-body);
  line-height: 1.8;
  color: #c8c8b0;
  margin: 0;
}

/* ---------------------------------------------------------
   View Project section
   --------------------------------------------------------- */
.works__view-block {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.works__view-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.works__view-btn {
  display: inline-block;
  appearance: none;
  -webkit-appearance: none;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-bg);
  background-color: var(--color-cyan);
  border: 1px solid var(--color-cyan);
  padding: var(--space-2) var(--space-6);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.works__view-btn:hover,
.works__view-btn:focus-visible {
  background-color: transparent;
  color: var(--color-cyan);
}

/* Disabled state — Memory Palace */
.works__view-btn--disabled {
  background-color: transparent;
  color: var(--color-text-dim);
  border-color: var(--color-border);
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.works__view-warning {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-amber);
  text-transform: uppercase;
}

.works__view-note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}


@media (max-width: 900px) {
  .works__info {
    grid-template-columns: 1fr 1fr;
  }

  .works__tools-block {
    grid-column: 1 / -1;
  }

  .works__tools-list {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .works__img-slot {
    width: 600px;
  }
}

@media (max-width: 768px) {
  .works__title {
    font-size: var(--text-lg);
  }

  .works__subtitle {
    font-size: var(--text-xs);
  }

  .works__img-slot {
    width: 480px;
  }
}

/* ---------------------------------------------------------
   Responsive — mobile
   --------------------------------------------------------- */
@media (max-width: 480px) {
  .works__trigger {
    padding: var(--space-4) 0;
  }

  .works__title {
    font-size: var(--text-md);
  }

  .works__subtitle {
    font-size: var(--text-xs);
  }

  .works__info {
    grid-template-columns: 1fr;
  }

  .works__tools-block {
    grid-column: auto;
  }

  .works__img-slot {
    width: 300px;
  }
}