/* ==================== ARCADE ====================
 * Canvas layers, the control cluster, the hammer cursor, and .smashed.
 * The cast and the debris are drawn by arcade.js; this file only positions
 * the surfaces they draw on.
 * ================================================ */

/* The cast sits at z-index -1: above the background orbs, but BELOW all page
 * text and any positioned element (cards, header, nav). That ordering is what
 * makes characters appear to hide behind things — no masking required.
 * Painting order note: a positioned element at z-index 0 would paint ABOVE
 * in-flow text, which is why this has to be negative. */
.arcade-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* Debris flies above everything so a smash is never hidden behind a card. */
.arcade-fx {
  position: fixed;
  inset: 0;
  z-index: 400;
  pointer-events: none;
}

/* ---------- control cluster ----------
 * Mobile: two icon-only circles parked in the header band, on the free
 * inline-end side opposite the brand. They're fixed rather than nested in
 * .site-header because a scrolled header carries backdrop-filter, which would
 * make it the containing block and break the desktop cluster's positioning.
 * The inline offset mirrors .container's padding so they line up with the
 * header content. Desktop: the original pill cluster, bottom inline-start. */

.arcade-ctl {
  position: fixed;
  inset-block-start: 0;
  inset-inline-end: clamp(18px, 5vw, 40px);
  height: var(--header-height);
  z-index: 320;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 9px;
}

@media (min-width: 861px) {
  .arcade-ctl {
    inset-block-start: auto;
    inset-inline-end: auto;
    inset-inline-start: clamp(12px, 3vw, 22px);
    inset-block-end: clamp(16px, 3vw, 28px);
    height: auto;
  }
}

.arcade-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  border-radius: 50%;
  background: var(--bg-glass);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: -0.01em;
  box-shadow: var(--shadow-sm);
  transition:
    color var(--dur-fast),
    border-color var(--dur-fast),
    background var(--dur-fast),
    transform var(--dur-fast) var(--ease-spring);
}

/* On mobile the button is the icon, so the name lives only in aria-label
   (both buttons get one, kept in sync with their pressed state). */
.arcade-btn > span { display: none; }

.arcade-btn svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}

@media (min-width: 861px) {
  .arcade-btn {
    justify-content: flex-start;
    width: auto;
    height: auto;
    padding: 9px 15px;
    border-radius: var(--radius-pill);
  }

  .arcade-btn > span { display: inline; }

  .arcade-btn svg {
    width: 17px;
    height: 17px;
  }
}

.arcade-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.arcade-btn:active { transform: scale(0.95); }

.arcade-btn[aria-pressed="true"] {
  color: var(--on-accent);
  background: var(--gradient-warm);
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

/* Dim the button when the cast is switched off, so the state reads at a glance. */
#arcade-toggle[aria-pressed="false"] { opacity: 0.72; }

/* ---------- the hammer's bubble ----------
 * Hangs off the control cluster, so it follows the buttons wherever they sit:
 * under them at the top of a phone, above them at the foot of a desktop. Sized
 * off the viewport as well as a max, since the cluster is only ever a short
 * distance from an edge. */

.arcade-bubble {
  position: absolute;
  z-index: 1;
  width: max-content;
  max-width: min(260px, 62vw);
  padding-block: 11px;
  /* Logical, not physical: the × sits at the inline end, which is the left in
     this RTL page, and needs the wider side. */
  padding-inline: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md);
  color: var(--text-secondary);
  font-size: var(--fs-xs);
  line-height: 1.5;
  text-align: start;
  opacity: 0;
  transform: translateY(-6px) scale(0.94);
  transition:
    opacity var(--dur-med) var(--ease-out-expo),
    transform var(--dur-med) var(--ease-spring),
    border-color var(--dur-fast);
}

.arcade-bubble.is-in {
  opacity: 1;
  transform: none;
}

.arcade-bubble:hover { border-color: var(--accent-primary); }

/* Phone: the cluster is at the top, so the bubble hangs below it and its tail
 * points up. `inset-inline-end: 0` lines it up with the cluster's outer edge
 * and lets it grow inward, away from the screen edge. */
.arcade-bubble {
  inset-block-start: calc(100% - 8px);
  inset-inline-end: 0;
}

.arcade-bubble::before {
  content: '';
  position: absolute;
  inset-block-start: -7px;
  inset-inline-end: 16px;
  width: 12px; height: 12px;
  background: var(--bg-glass);
  border-inline-start: 1px solid var(--border-strong);
  border-block-start: 1px solid var(--border-strong);
  transform: rotate(45deg);
}

/* Desktop: the cluster sits at the bottom, so the bubble stacks above it and
 * the tail flips to its underside. */
@media (min-width: 861px) {
  .arcade-bubble {
    inset-block-start: auto;
    inset-block-end: calc(100% + 12px);
    inset-inline-end: auto;
    inset-inline-start: 0;
    transform: translateY(6px) scale(0.94);
  }

  .arcade-bubble.is-in { transform: none; }

  .arcade-bubble::before {
    inset-block-start: auto;
    inset-block-end: -7px;
    inset-inline-end: auto;
    inset-inline-start: 20px;
    border-inline-start: none;
    border-block-start: none;
    border-inline-end: 1px solid var(--border-strong);
    border-block-end: 1px solid var(--border-strong);
  }
}

/* `.bubble-x` itself is shared with the portrait bubble (views.css). */
.arcade-bubble:hover .bubble-x { color: var(--accent-primary); }

@media (prefers-reduced-motion: reduce) {
  .arcade-bubble { transition: opacity var(--dur-fast); transform: none; }
  .arcade-bubble.is-in { transform: none; }
}

/* ---------- hammer ---------- */

/* Hammer cursor: shaded steel head, wooden handle with a grain line and a
 * darker grip, angled so the striking face leads. The hotspot (7 9) sits on
 * that face, so the hammer lands where the pixels break.
 * Data URIs are already permitted by the CSP (img-src 'self' data:). */
body.hammer-on,
body.hammer-on * {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='42' height='42' viewBox='0 0 42 42'%3E%3Cg transform='rotate(-40 21 21)'%3E%3Crect x='18.6' y='15' width='5' height='23' rx='2' fill='%238a5a2b'/%3E%3Crect x='18.6' y='15' width='2' height='23' fill='%23ab7742'/%3E%3Crect x='18' y='31' width='6.2' height='7' rx='2.4' fill='%235d3a1b'/%3E%3Crect x='8' y='6' width='26' height='11' rx='2.5' fill='%236c7280'/%3E%3Crect x='8' y='6' width='26' height='4' rx='2' fill='%23aeb6c2'/%3E%3Crect x='8' y='14' width='26' height='3' rx='1.5' fill='%23474c57'/%3E%3Crect x='28.5' y='6' width='5.5' height='11' rx='2' fill='%23848c99'/%3E%3Crect x='10' y='7.5' width='4' height='2' rx='1' fill='%23d6dce5'/%3E%3C/g%3E%3C/svg%3E") 7 9, crosshair !important;
}

/* The controls stay normal so you can always put the hammer away. */
body.hammer-on .arcade-ctl,
body.hammer-on .arcade-ctl * {
  cursor: pointer !important;
}

/* A smashed word keeps its box and stays in the accessibility tree — only its
 * ink disappears. `visibility: hidden` or `display: none` would collapse the
 * layout and hide the text from screen readers; this does neither, so the
 * page never shifts and restoring is exact.
 * background-image is cleared for .gradient-text, whose ink comes from a
 * background clipped to the text rather than from `color`. */
.smashed {
  color: transparent !important;
  -webkit-text-fill-color: transparent !important;
  background-image: none !important;
  text-shadow: none !important;
}

/* ---------- reduced motion ----------
 * arcade.js returns before building anything, so these never exist. Kept as a
 * belt-and-braces guard in case the layer is ever initialised another way. */
@media (prefers-reduced-motion: reduce) {
  .arcade-bg,
  .arcade-fx,
  .arcade-ctl { display: none !important; }

  body.hammer-on,
  body.hammer-on * { cursor: auto !important; }

  .smashed {
    color: inherit !important;
    -webkit-text-fill-color: currentColor !important;
  }
}