/* ═══════════════════════════════════════════════════════════
   Dreamspace — Collab Magical Layer (Nebula)
   Floating reactions · Dream-weaver co-pilot · Follow/spotlight
   Reuses project theme tokens (--panel, --lavender, --violet,
   --text-primary, --border, --ease) so dark/light are automatic.
   ═══════════════════════════════════════════════════════════ */

:root {
  --dw-glass: rgba(36, 21, 53, 0.78);
  --dw-glass-border: rgba(196, 181, 253, 0.28);
  --dw-glow: rgba(167, 139, 250, 0.45);
  --dw-sparkle: #e9d5ff;
}

@media (prefers-color-scheme: light) {
  :root {
    --dw-glass: rgba(255, 252, 255, 0.86);
    --dw-glass-border: rgba(124, 58, 237, 0.22);
    --dw-glow: rgba(124, 58, 237, 0.3);
    --dw-sparkle: #7c3aed;
  }
}

/* ── Reactions overlay layer ──────────────────────────────── */
/* Positioned absolutely over the canvas wrap by the host; falls
   back to a fixed full-window layer. Never intercepts pointers. */
#collab-reactions-layer,
.dw-reactions-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 60;
}

.dw-reactions-layer.dw-reactions-fixed {
  position: fixed;
}

.dw-reaction {
  position: absolute;
  transform: translate(-50%, -50%);
  font-size: 30px;
  line-height: 1;
  pointer-events: none;
  will-change: transform, opacity;
  filter: drop-shadow(0 0 8px var(--dw-glow));
  animation: dw-float-up var(--dw-dur, 2900ms) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)) forwards;
}

@keyframes dw-float-up {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.35) rotate(0deg); }
  12%  { opacity: 1; transform: translate(-50%, -60%) scale(1.15) rotate(var(--dw-tilt, 4deg)); }
  70%  { opacity: 0.9; }
  100% {
    opacity: 0;
    transform:
      translate(calc(-50% + var(--dw-drift, 0px)), -210px)
      scale(0.85) rotate(calc(var(--dw-tilt, 4deg) * -1));
  }
}

/* sparkle motes that bloom out of a reaction */
.dw-spark {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--dw-sparkle) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0;
  animation: dw-spark-out 900ms ease-out forwards;
}

@keyframes dw-spark-out {
  0%   { opacity: 0.9; transform: translate(-50%, -50%) scale(0.4); }
  100% {
    opacity: 0;
    transform:
      translate(calc(-50% + var(--dw-sx, 0px)), calc(-50% + var(--dw-sy, 0px)))
      scale(1);
  }
}

/* ── Emote bar (reaction trigger) ─────────────────────────── */
.dw-emote-bar {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 8px;
  border-radius: 999px;
  background: var(--dw-glass);
  border: 1px solid var(--dw-glass-border);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  box-shadow: 0 8px 32px rgba(15, 10, 26, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  z-index: 70;
  opacity: 0;
  animation: dw-bar-in 500ms var(--ease, ease) forwards;
}

@keyframes dw-bar-in {
  from { opacity: 0; transform: translate(-50%, 12px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

.dw-emote-btn {
  appearance: none;
  border: none;
  background: transparent;
  font-size: 20px;
  line-height: 1;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 180ms var(--ease, ease), background 180ms var(--ease, ease);
}

.dw-emote-btn:hover {
  background: var(--overlay-hover, rgba(255, 255, 255, 0.08));
  transform: scale(1.25) translateY(-2px);
}

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

.dw-emote-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--violet, #a78bfa);
}

.dw-emote-sep {
  width: 1px;
  height: 22px;
  margin: 0 4px;
  background: var(--dw-glass-border);
}

/* ── Dream-weaver co-pilot button + popover ──────────────── */
.dw-weaver-btn {
  position: relative;
  font-size: 19px;
}

.dw-weaver-btn.dw-busy {
  animation: dw-weaver-pulse 1.4s ease-in-out infinite;
}

@keyframes dw-weaver-pulse {
  0%, 100% { filter: drop-shadow(0 0 2px var(--dw-glow)); transform: scale(1); }
  50%      { filter: drop-shadow(0 0 12px var(--dw-glow)); transform: scale(1.12); }
}

.dw-weaver-pop {
  position: fixed;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  min-width: 210px;
  border-radius: 16px;
  background: var(--dw-glass);
  border: 1px solid var(--dw-glass-border);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  box-shadow: 0 12px 40px rgba(15, 10, 26, 0.5);
  z-index: 71;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms var(--ease, ease), transform 200ms var(--ease, ease);
}

.dw-weaver-pop.dw-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dw-weaver-pop-title {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary, rgba(255, 255, 255, 0.45));
  padding: 4px 8px 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.dw-weaver-action {
  appearance: none;
  text-align: left;
  border: 1px solid transparent;
  background: var(--overlay-tint, rgba(255, 255, 255, 0.04));
  color: var(--text-primary, rgba(255, 255, 255, 0.85));
  padding: 9px 11px;
  border-radius: 11px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  display: flex;
  gap: 9px;
  align-items: center;
  transition: background 160ms var(--ease, ease), border-color 160ms var(--ease, ease);
}

.dw-weaver-action:hover:not(:disabled) {
  background: var(--overlay-hover, rgba(255, 255, 255, 0.08));
  border-color: var(--violet, #a78bfa);
}

.dw-weaver-action:disabled { opacity: 0.5; cursor: progress; }

.dw-weaver-action .dw-wa-emoji { font-size: 17px; }
.dw-weaver-action .dw-wa-sub {
  display: block;
  font-size: 11px;
  color: var(--text-secondary, rgba(255, 255, 255, 0.45));
  margin-top: 1px;
}

/* ── Follow / spotlight banner ───────────────────────────── */
.dw-follow-banner {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 8px 14px;
  border-radius: 999px;
  background: var(--dw-glass);
  border: 1px solid var(--dw-follow-color, var(--dw-glass-border));
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  box-shadow: 0 8px 28px rgba(15, 10, 26, 0.4),
              0 0 0 1px var(--dw-follow-color, transparent) inset;
  color: var(--text-primary, rgba(255, 255, 255, 0.85));
  font-size: 13px;
  z-index: 72;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms var(--ease, ease), transform 240ms var(--ease, ease);
}

.dw-follow-banner.dw-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dw-follow-eye {
  font-size: 15px;
  animation: dw-eye-bob 2.2s ease-in-out infinite;
}

@keyframes dw-eye-bob {
  0%, 100% { transform: translateY(0); opacity: 0.85; }
  50%      { transform: translateY(-2px); opacity: 1; }
}

.dw-follow-name {
  font-weight: 600;
  color: var(--dw-follow-color, var(--lavender, #c4b5fd));
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dw-follow-x {
  appearance: none;
  border: none;
  background: var(--overlay-tint, rgba(255, 255, 255, 0.06));
  color: var(--text-primary, rgba(255, 255, 255, 0.85));
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 13px;
  transition: background 160ms var(--ease, ease);
}

.dw-follow-x:hover { background: var(--overlay-hover, rgba(255, 255, 255, 0.12)); }

/* gentle pulsing edge while a follow is locked, signalling the
   viewport is being driven by someone else */
.dw-follow-active-frame {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 59;
  box-shadow: inset 0 0 0 2px var(--dw-follow-color, var(--violet, #a78bfa));
  opacity: 0;
  animation: dw-frame-breathe 3s ease-in-out infinite;
}

@keyframes dw-frame-breathe {
  0%, 100% { opacity: 0.12; }
  50%      { opacity: 0.34; }
}

/* ── Reduced motion: keep delight, drop the drift ─────────── */
@media (prefers-reduced-motion: reduce) {
  .dw-reaction {
    animation: dw-fade-soft 1600ms ease forwards;
  }
  @keyframes dw-fade-soft {
    0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
    20%  { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1); }
  }
  .dw-spark,
  .dw-follow-eye,
  .dw-follow-active-frame,
  .dw-weaver-btn.dw-busy { animation: none; }
  .dw-emote-bar,
  .dw-weaver-pop,
  .dw-follow-banner { animation: none; transition: opacity 200ms ease; }
}