/* ═══════════════════════════════════════════════════
   SignAI — Face Expression Styles (appended)
   ═══════════════════════════════════════════════════ */

/* ─── FACE PANEL LAYOUT ─────────────────────────── */
.face-panel {
  position: relative;
}

/* Expression ring / badge */
.expression-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 24px 20px;
  position: relative;
}

.expression-ring {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.expression-ring-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.expression-ring-track {
  fill: none;
  stroke: rgba(255,255,255,0.05);
  stroke-width: 4;
}

.expression-ring-fill {
  fill: none;
  stroke-width: 4;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s cubic-bezier(0.16,1,0.3,1),
              stroke 0.4s ease;
}

.expression-emoji {
  font-size: 52px;
  line-height: 1;
  transition: all 0.35s cubic-bezier(0.34,1.56,0.64,1);
  filter: drop-shadow(0 0 12px rgba(0,0,0,0.5));
  animation: emojiPop 0.35s cubic-bezier(0.34,1.56,0.64,1) both;
}

@keyframes emojiPop {
  0%   { transform: scale(0.6); opacity: 0; }
  60%  { transform: scale(1.15); }
  100% { transform: scale(1);   opacity: 1; }
}

.expression-label {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: 0.08em;
  line-height: 1;
  margin-bottom: 4px;
  transition: color 0.3s;
}

.expression-desc {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ─── ALL EXPRESSIONS BARS ──────────────────────── */
.expression-bars {
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.expr-row {
  display: grid;
  grid-template-columns: 28px 84px 1fr 36px;
  align-items: center;
  gap: 8px;
}

.expr-emoji-sm { font-size: 16px; text-align: center; }

.expr-name {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.expr-bar-track {
  height: 5px;
  background: rgba(255,255,255,0.05);
  border-radius: 5px;
  overflow: hidden;
}

.expr-bar-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.4s var(--ease-out-expo), background 0.4s;
}

.expr-pct {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-align: right;
}

/* ─── AGE / GENDER BADGE ────────────────────────── */
.face-meta {
  display: flex;
  gap: 8px;
  padding: 0 20px 16px;
  flex-wrap: wrap;
}

.face-meta-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  transition: all 0.3s;
}

.face-meta-badge.visible {
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

/* ─── NO FACE STATE ─────────────────────────────── */
.no-face-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 24px;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

.no-face-icon {
  font-size: 40px;
  opacity: 0.3;
  animation: floatY 3s ease-in-out infinite;
}

/* ─── FACE CANVAS OVERLAY ───────────────────────── */
.face-overlay-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: scaleX(-1);
  pointer-events: none;
}

/* ─── EXPRESSION HISTORY CHIPS ───────────────────── */
.expr-history {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 20px 16px;
}

.expr-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
  animation: slideIn 0.3s var(--ease-out-expo) both;
}

/* ─── TOGGLE FACE MODE BUTTON ────────────────────── */
.face-toggle-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 14px 20px;
  background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(59,130,246,0.1));
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s var(--ease-out-expo);
}

.face-toggle-btn:hover {
  background: linear-gradient(135deg, rgba(124,58,237,0.25), rgba(59,130,246,0.2));
  border-color: rgba(124,58,237,0.45);
  box-shadow: 0 4px 20px rgba(124,58,237,0.2);
  transform: translateY(-1px);
}

.face-toggle-btn.active {
  background: linear-gradient(135deg, rgba(124,58,237,0.3), rgba(59,130,246,0.2));
  border-color: rgba(124,58,237,0.6);
}

/* ─── DUAL MODE LAYOUT ──────────────────────────── */
.dual-canvas-wrapper {
  position: relative;
}

/* When face mode is active, show second overlay on same video */
.face-canvas-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: scaleX(-1);
  pointer-events: none;
  z-index: 3;
}

/* ─── EXPRESSION COLOR MAP (CSS custom props) ────── */
.expr-happy     { --expr-color: #f59e0b; }
.expr-sad       { --expr-color: #3b82f6; }
.expr-angry     { --expr-color: #ef4444; }
.expr-fearful   { --expr-color: #8b5cf6; }
.expr-disgusted { --expr-color: #10b981; }
.expr-surprised { --expr-color: #00e5ff; }
.expr-neutral   { --expr-color: #8b99b8; }