/* ═══════════════════════════════════════════════════════
   TALK TO WEI — voice panel with the animated-mouth avatar
   Opened from the About page and from the Agent Wei header.
   Mouth position is tunable via --mouth-x / --mouth-y / --mouth-w.
   ═══════════════════════════════════════════════════════ */

.talk-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.talk-overlay.open { opacity: 1; pointer-events: auto; }
.talk-panel [hidden] { display: none !important; }

.talk-panel {
  width: min(440px, 100%);
  max-height: 100%;
  background: var(--background);
  color: var(--foreground);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 16px 20px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  font-family: var(--font-sans);
  transform: translateY(12px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}
.talk-overlay.open .talk-panel { transform: none; }

.talk-top {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.talk-title { font-size: 16px; font-weight: 600; margin: 0; }
.talk-close {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--foreground);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}
.talk-close:hover { background: var(--muted); }
.talk-close svg { width: 16px; height: 16px; }

/* ─── Avatar ─────────────────────────────────────────── */
.talk-avatar-wrap {
  position: relative;
  padding: 8px;
  border-radius: 50%;
}
.talk-avatar-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  pointer-events: none;
}
.talk-panel[data-state="listening"] .talk-avatar-wrap::after {
  border-color: #2ecc71;
  animation: talk-pulse 1.6s ease-in-out infinite;
}
.talk-panel[data-state="speaking"] .talk-avatar-wrap::after {
  border-color: #ff7a1a;
  box-shadow: 0 0 0 6px rgba(255, 122, 26, 0.18);
}
.talk-panel[data-state="thinking"] .talk-avatar-wrap::after,
.talk-panel[data-state="connecting"] .talk-avatar-wrap::after {
  border-color: var(--muted-foreground);
  animation: talk-spin 1.2s linear infinite;
  border-top-color: transparent;
}
@keyframes talk-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.35); }
  50%      { box-shadow: 0 0 0 10px rgba(46, 204, 113, 0); }
}
@keyframes talk-spin { to { transform: rotate(360deg); } }

.talk-avatar {
  position: relative;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  overflow: hidden;
  background: transparent;
}
/* The photo is only sampled by the dot renderer, never shown */
.talk-avatar img { display: none; }

/* ─── Status + transcript ────────────────────────────── */
.talk-status {
  font-size: 14px;
  color: var(--muted-foreground);
  text-align: center;
  min-height: 20px;
  margin: 0;
}
.talk-transcript {
  width: 100%;
  max-height: 150px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  line-height: 1.45;
  scrollbar-width: thin;
}
.talk-transcript:empty { display: none; }
.talk-line {
  max-width: 88%;
  padding: 8px 12px;
  border-radius: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}
.talk-line.wei {
  align-self: flex-start;
  background: var(--muted);
  border-bottom-left-radius: 4px;
}
.talk-line.you {
  align-self: flex-end;
  background: var(--foreground);
  color: var(--background);
  border-bottom-right-radius: 4px;
}
.talk-line.note {
  align-self: center;
  color: var(--muted-foreground);
  font-size: 12px;
  padding: 0;
  text-align: center;
}

/* ─── Controls ───────────────────────────────────────── */
.talk-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.talk-controls .btn {
  font-size: 15px;
  padding: 8px 16px;
}
.talk-controls .btn.primary {
  background: var(--foreground);
  color: var(--background);
  border-color: var(--foreground);
}
.talk-controls .btn.primary:hover { opacity: 0.9; }
.talk-controls .btn.danger:hover { border-color: #e5484d; color: #e5484d; }
.talk-controls .btn svg { width: 16px; height: 16px; }
.talk-controls .btn.is-muted { color: #e5484d; border-color: #e5484d; }

.talk-composer {
  width: 100%;
  display: flex;
  gap: 8px;
}
.talk-composer input {
  flex: 1;
  min-width: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  padding: 9px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  background: transparent;
  color: var(--foreground);
  outline: none;
}
.talk-composer input:focus { border-color: var(--ring); }
.talk-composer .btn { font-size: 15px; padding: 8px 14px; }

.talk-disclosure {
  font-size: 12px;
  line-height: 1.4;
  color: var(--muted-foreground);
  text-align: center;
  margin: 0;
}
.talk-disclosure a { color: inherit; }

/* About page entry point */
.about-actions { display: flex; gap: 8px; align-items: center; }
.about-actions .btn svg { width: 18px; height: 18px; }

@media (max-width: 520px) {
  .talk-overlay { padding: 0; align-items: flex-end; }
  .talk-panel {
    width: 100%;
    max-height: 92vh;
    border-radius: 20px 20px 0 0;
    padding-bottom: max(18px, env(safe-area-inset-bottom));
  }
  .talk-avatar { width: 180px; height: 180px; }
}

.talk-dots {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  color: var(--foreground); /* dot colour, read by the renderer */
  cursor: grab;
  touch-action: none; /* drag rotates instead of scrolling the page */
  user-select: none;
}
.talk-dots:active { cursor: grabbing; }

/* The dots carry the state, so there is no ring. */
.talk-avatar-wrap::after {
  border-color: transparent !important;
  animation: none !important;
  box-shadow: none !important;
}