// All selectors MUST be scoped under .scrying-pool.
// Use --sp-* tokens only — no Foundry --color-* / --font-* / --border-* tokens allowed.
// Implemented in story 1.5.

// ============================================================
// CSS Custom Properties (State Tokens)
// ============================================================
:root {
  --sp-state-active:      hsl(140, 60%, 55%);
  --sp-state-hidden:      hsl(0, 0%, 50%);
  --sp-state-self-muted:  hsl(200, 60%, 55%);
  --sp-state-cam-lost:    hsl(30, 80%, 55%);
  --sp-state-pending:     hsl(50, 90%, 55%);
  --sp-urgency-director:  hsl(38, 90%, 55%);
  --sp-state-color:       hsl(140, 60%, 55%); // default, overridden per state
}

// ============================================================
// ScryingPoolStrip Layout
// ============================================================
.scrying-pool-strip {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 44px;
  overflow: hidden;
  transition: max-width 200ms ease-in-out;
  background: var(--sp-bg, hsl(220, 15%, 12%));
  border-radius: 8px;

  &.is-expanded {
    max-width: 240px;
  }
}

.sp-strip__toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--sp-text, hsl(0, 0%, 80%));
  flex-shrink: 0;
}

.sp-strip__participants {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sp-strip__first-tip {
  font-size: 0.75rem;
  color: var(--sp-text-muted, hsl(0, 0%, 60%));
  padding: 4px 8px;
  margin: 0;
}

// ============================================================
// ParticipantAvatar (44×44px container, 32px rounded image)
// ============================================================
.sp-participant-avatar {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  gap: 8px;
  overflow: hidden;

  &:focus-visible {
    outline: 2px solid var(--sp-focus-ring, hsl(200, 80%, 60%));
    outline-offset: 2px;
  }

  .is-expanded & {
    width: 100%;
    padding: 6px 8px;
  }
}

// Video container for WebRTC stream (full AV replacement mode)
.sp-participant-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
}

.sp-avatar__img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

// Video element styling
.sp-participant-video__element {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background: hsl(220, 15%, 18%);
  
  .is-expanded & {
    border-radius: 4px;
  }
}

// Hide avatar image when video stream is active (has video element)
.sp-participant-video:not(:empty) ~ .sp-avatar__img {
  display: none;
}

.sp-avatar__corner-badge {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--sp-state-color);
  font-size: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sp-avatar__name {
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--sp-text, hsl(0, 0%, 85%));
}

.sp-avatar__state-label {
  font-size: 0.7rem;
  color: var(--sp-text-muted, hsl(0, 0%, 60%));
}

// ============================================================
// StateRing variants (applied as class on .sp-participant-avatar)
// ============================================================
.sp-participant-avatar.sp-state-active,
.sp-participant-avatar.sp-state-self-muted {
  --sp-state-color: var(--sp-state-active);

  .sp-avatar__img {
    box-shadow: 0 0 0 2px var(--sp-state-color);
  }
}

.sp-participant-avatar.sp-state-hidden,
.sp-participant-avatar.sp-state-cam-lost {
  --sp-state-color: var(--sp-state-hidden);

  .sp-avatar__img {
    outline: 2px dashed var(--sp-state-color);
    outline-offset: 2px;
  }
}

.sp-participant-avatar.sp-state-pending {
  --sp-state-color: var(--sp-state-pending);

  .sp-avatar__img {
    box-shadow: 0 0 0 2px var(--sp-state-color);
  }
}

// ============================================================
// StateRing animations — gated under no-preference (AC-16)
// ============================================================
@media (prefers-reduced-motion: no-preference) {
  .sp-participant-avatar.sp-state-pending .sp-avatar__img {
    animation: sp-pulse 2s ease-in-out infinite;
  }

  @keyframes sp-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
  }

  // Revert flash (200ms amber, then restore)
  .sp-participant-avatar.sp-state-revert .sp-avatar__img {
    animation: sp-revert-flash 200ms ease-out forwards;
  }

  @keyframes sp-revert-flash {
    0%   { box-shadow: 0 0 0 3px var(--sp-urgency-director); }
    100% { box-shadow: 0 0 0 2px var(--sp-state-color); }
  }
}

// ============================================================
// EmptyStatePanel (AC-11)
// ============================================================
.sp-strip__empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 8px;
  gap: 8px;
  color: var(--sp-text-muted, hsl(0, 0%, 60%));
}

.sp-empty__icon {
  font-size: 1.5rem;
  display: block;
}

.sp-empty__text {
  font-size: 0.75rem;
  text-align: center;
}

@media (prefers-reduced-motion: no-preference) {
  .sp-empty__icon {
    animation: sp-breathe 3s ease-in-out infinite;
  }

  @keyframes sp-breathe {
    0%, 100% { opacity: 0.6; transform: scale(1);    }
    50%       { opacity: 1.0; transform: scale(1.05); }
  }
}

// ============================================================
// AV Tile overlays (applied to .camera-view[data-user-id="..."])
// ============================================================
.sp-lock-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: hsla(0, 0%, 0%, 0.45);
  pointer-events: none;
  z-index: 10;

  &::before {
    content: '\f023'; // fa-lock
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 1.2rem;
    color: hsl(0, 0%, 85%);
  }
}

.camera-view.sp-state-hidden {
  opacity: 0.55;
  position: relative;
}

.sp-portrait-fallback {
  position: absolute;
  inset: 0;
  background: var(--sp-bg, hsl(220, 15%, 18%)) center/cover no-repeat;
  pointer-events: none;
}

// ============================================================
// Context menu
// ============================================================
.sp-context-menu {
  background: var(--sp-bg, hsl(220, 15%, 15%));
  border: 1px solid hsl(0, 0%, 30%);
  border-radius: 4px;
  padding: 4px 0;
  min-width: 160px;
  z-index: 1000;
  box-shadow: 0 4px 12px hsla(0, 0%, 0%, 0.4);

  .sp-context-menu__item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 6px 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--sp-text, hsl(0, 0%, 85%));
    font-size: 0.875rem;
    text-align: left;

    &:hover,
    &:focus-visible {
      background: hsla(200, 60%, 55%, 0.15);
    }
  }
}

// ============================================================
// ActionPopover (<dialog>)
// ============================================================
.sp-action-popover {
  background: var(--sp-bg, hsl(220, 15%, 15%));
  border: 1px solid hsl(0, 0%, 30%);
  border-radius: 6px;
  padding: 12px;
  min-width: 160px;
  box-shadow: 0 4px 16px hsla(0, 0%, 0%, 0.5);
  color: var(--sp-text, hsl(0, 0%, 85%));

  .sp-action-popover__cta {
    display: block;
    width: 100%;
    padding: 8px 16px;
    background: hsl(200, 60%, 40%);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    color: hsl(0, 0%, 95%);
    font-size: 0.875rem;

    &:hover:not(:disabled) {
      background: hsl(200, 60%, 50%);
    }

    &:disabled {
      opacity: 0.45;
      cursor: not-allowed;
    }
  }
}