/* ============================================================
   skeleton.css — Skeleton Loading + Scan Overlay
   Star By Faces  |  Append to or import after styles.css
   ============================================================ */

/* ── Shimmer keyframe ── */
@keyframes shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position:  600px 0; }
}

@keyframes scan-line {
  0%   { top: 0%;    opacity: 1; }
  90%  { top: 92%;   opacity: 1; }
  100% { top: 92%;   opacity: 0; }
}

@keyframes scan-pulse {
  0%, 100% { opacity: .6; }
  50%       { opacity: 1;  }
}

@keyframes spin-ring {
  to { transform: rotate(360deg); }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* ── Base skeleton block ── */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.04) 25%,
    rgba(255,255,255,0.10) 50%,
    rgba(255,255,255,0.04) 75%
  );
  background-size: 600px 100%;
  animation: shimmer 1.6s infinite linear;
  border-radius: 8px;
}

/* ── Page-level skeleton wrappers (hidden by default, shown before content) ── */
.skeleton-page {
  display: none;
}
.skeleton-page.active {
  display: block;
  animation: fade-in-up 0.3s ease both;
}

/* Skeleton shapes */
.sk-line      { height: 14px; margin-bottom: 10px; }
.sk-line.wide { width: 80%;  }
.sk-line.mid  { width: 55%;  }
.sk-line.short{ width: 35%;  }
.sk-title     { height: 28px; width: 60%; margin-bottom: 16px; }
.sk-badge     { height: 22px; width: 90px; border-radius: 999px; display: inline-block; }
.sk-avatar    { border-radius: 50%; }
.sk-img       { border-radius: 12px; }
.sk-card      {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  overflow: hidden;
}

/* ── Hero skeleton ── */
.sk-hero-text  { height: 48px; width: 70%; margin-bottom: 16px; }
.sk-hero-sub   { height: 18px; width: 50%; margin-bottom: 32px; }
.sk-hero-btn   { height: 44px; width: 160px; border-radius: 999px; }

/* ── Result card skeleton ── */
.sk-result-card {
  display: flex;
  gap: 24px;
  padding: 24px;
  align-items: center;
}
.sk-result-img {
  width: 160px;
  height: 160px;
  flex-shrink: 0;
  border-radius: 12px;
}
.sk-result-body { flex: 1; }

/* ═══════════════════════════════════════════════
   SCAN OVERLAY — shown while API processes image
   ═══════════════════════════════════════════════ */

#scan-overlay {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 24px;
  animation: fade-in-up 0.35s ease both;
}
#scan-overlay.active {
  display: flex;
}

/* Image frame with scanning effect */
.scan-frame {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid rgba(123, 47, 190, 0.6);
  box-shadow: 0 0 30px rgba(123, 47, 190, 0.3);
}

.scan-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Corner brackets */
.scan-frame::before,
.scan-frame::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: #a78bfa;
  border-style: solid;
  z-index: 3;
}
.scan-frame::before {
  top: 8px; left: 8px;
  border-width: 2px 0 0 2px;
  border-radius: 4px 0 0 0;
}
.scan-frame::after {
  bottom: 8px; right: 8px;
  border-width: 0 2px 2px 0;
  border-radius: 0 0 4px 0;
}

/* Scan line */
.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, #a78bfa 50%, transparent 100%);
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.8);
  z-index: 2;
  animation: scan-line 2s ease-in-out infinite;
}

/* Scan overlay tint */
.scan-tint {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(123, 47, 190, 0.08) 0%,
    transparent 50%,
    rgba(123, 47, 190, 0.08) 100%
  );
  z-index: 1;
  animation: scan-pulse 2s ease-in-out infinite;
}

/* Bottom-right corner bracket */
.scan-frame-br {
  position: absolute;
  bottom: 8px;
  left: 8px;
  width: 20px;
  height: 20px;
  border-bottom: 2px solid #a78bfa;
  border-left: 2px solid #a78bfa;
  border-radius: 0 0 0 4px;
  z-index: 3;
}
.scan-frame-tr {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 20px;
  height: 20px;
  border-top: 2px solid #a78bfa;
  border-right: 2px solid #a78bfa;
  border-radius: 0 4px 0 0;
  z-index: 3;
}

/* Spinner ring */
.scan-spinner {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid rgba(167, 139, 250, 0.2);
  border-top-color: #a78bfa;
  animation: spin-ring 0.9s linear infinite;
}

/* Status text */
.scan-status {
  text-align: center;
}
.scan-status-title {
  font-family: 'Zen Dots', cursive;
  font-size: 0.875rem;
  color: #e2e8f0;
  margin-bottom: 4px;
  animation: scan-pulse 1.8s ease-in-out infinite;
}
.scan-status-sub {
  font-size: 0.72rem;
  color: rgba(167, 139, 250, 0.8);
  letter-spacing: 0.05em;
}

/* Progress dots */
.scan-dots {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 4px;
}
.scan-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(167, 139, 250, 0.4);
  animation: scan-pulse 1.4s ease-in-out infinite;
}
.scan-dot:nth-child(2) { animation-delay: 0.2s; }
.scan-dot:nth-child(3) { animation-delay: 0.4s; }