/* =============================================================
   VoiceIsolate Pro — Playback Speed · A/B Label · Helix Spinner
   · Processing Badge   v1.0.0
   ============================================================= */

/* ── Speed buttons ─────────────────────────────────────────── */
.btn-speed {
  min-width: 26px;
  padding: 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  border-radius: 4px;
  color: #fca5a5;
  background: rgba(127, 29, 29, 0.28);
  border: 1px solid rgba(239, 68, 68, 0.32);
  transition: background 0.14s, color 0.14s, transform 0.08s;
  cursor: pointer;
}
.btn-speed:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.38);
  color: #fff;
}
.btn-speed:active:not(:disabled) {
  transform: scale(0.92);
}
.btn-speed:disabled {
  opacity: 0.35;
  cursor: default;
}

/* Flash the speed select when value changes */
@keyframes vip-speed-flash {
  0%   { box-shadow: 0 0 0 2px rgba(239,68,68,0.0); }
  35%  { box-shadow: 0 0 0 3px rgba(239,68,68,0.75); }
  100% { box-shadow: 0 0 0 2px rgba(239,68,68,0.0); }
}
.tp-speed-flash {
  animation: vip-speed-flash 0.45s ease-out forwards;
}

/* ── A/B label pill ─────────────────────────────────────────── */
.tp-ab-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px 2px 4px;
  border-radius: 20px;
  border: 1px solid rgba(239, 68, 68, 0.28);
  background: rgba(127, 29, 29, 0.22);
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fca5a5;
  transition: background 0.18s, border-color 0.18s, color 0.18s;
  white-space: nowrap;
  user-select: none;
}

/* Version tag badge inside the pill */
.tp-ab-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.32);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  transition: background 0.18s;
}

/* Original (A) state */
.tp-ab-label[data-version="A"] {
  border-color: rgba(239, 68, 68, 0.36);
  background: rgba(127, 29, 29, 0.28);
  color: #fca5a5;
}
.tp-ab-label[data-version="A"] .tp-ab-tag {
  background: rgba(239, 68, 68, 0.42);
}

/* Processed (B) state */
.tp-ab-label[data-version="B"] {
  border-color: rgba(255, 42, 42, 0.42);
  background: rgba(68, 8, 8, 0.38);
  color: #ff6b6b;
}
.tp-ab-label[data-version="B"] .tp-ab-tag {
  background: rgba(255, 42, 42, 0.36);
  color: #4a0c0c;
}

/* Playing pulse on the pill */
@keyframes vip-ab-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 42, 42,0.0); }
  50%       { box-shadow: 0 0 0 4px rgba(255, 42, 42,0.28); }
}
.tp-ab-label.is-playing {
  animation: vip-ab-pulse 1.8s ease-in-out infinite;
}

/* ── VIP DNA Helix Spinner ──────────────────────────────────── */
/*
  Uses 8 strands arranged like a double-helix cross-section.
  Each strand animates with a phase offset, creating a coiling
  double-helix optical illusion in pure CSS.
*/
.vip-helix-spinner {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 20px;
  vertical-align: middle;
}

.vip-helix-spinner i {
  display: block;
  width: 3px;
  border-radius: 2px;
  background: currentColor;
  animation: vip-helix-wave 1.1s ease-in-out infinite;
  transform-origin: center bottom;
}

/* 8 strands — alternating helix arcs */
.vip-helix-spinner i:nth-child(1)  { height: 8px;  animation-delay: 0.00s; background: #ef4444; }
.vip-helix-spinner i:nth-child(2)  { height: 14px; animation-delay: 0.14s; background: #f87171; }
.vip-helix-spinner i:nth-child(3)  { height: 18px; animation-delay: 0.28s; background: #fca5a5; }
.vip-helix-spinner i:nth-child(4)  { height: 20px; animation-delay: 0.42s; background: #ff6b6b; }
.vip-helix-spinner i:nth-child(5)  { height: 18px; animation-delay: 0.56s; background: #ff2a2a; }
.vip-helix-spinner i:nth-child(6)  { height: 14px; animation-delay: 0.70s; background: #fca5a5; }
.vip-helix-spinner i:nth-child(7)  { height: 8px;  animation-delay: 0.84s; background: #f87171; }
.vip-helix-spinner i:nth-child(8)  { height: 14px; animation-delay: 0.98s; background: #ef4444; }

@keyframes vip-helix-wave {
  0%, 100% { transform: scaleY(0.35) scaleX(1);   opacity: 0.5; }
  25%       { transform: scaleY(1.0)  scaleX(1.4); opacity: 1.0; }
  50%       { transform: scaleY(0.6)  scaleX(0.8); opacity: 0.7; }
  75%       { transform: scaleY(1.0)  scaleX(1.4); opacity: 1.0; }
}

/* ── Unique "Sonar" processing spinner ─────────────────────────
   Three orbiting scan rings around a pulsing core — a distinct
   audio/sonar motif shown while the DSP pipeline is running. It
   carries the .vip-pb-spinner class so the badge's show/hide logic
   reveals it during processing and loading. */
.vip-sonar-spinner {
  position: relative;
  display: inline-flex;
  width: 22px;
  height: 22px;
  vertical-align: middle;
  flex-shrink: 0;
}
.vip-sonar-spinner i {
  position: absolute;
  border-radius: 50%;
  border: 2px solid transparent;
  box-sizing: border-box;
}
.vip-sonar-spinner i:nth-child(1) {
  inset: 0;
  border-top-color: #00f5ff;
  border-right-color: #00f5ff;
  animation: vip-sonar-spin 1.1s linear infinite;
}
.vip-sonar-spinner i:nth-child(2) {
  inset: 4px;
  border-bottom-color: #9d4dff;
  border-left-color: #9d4dff;
  animation: vip-sonar-spin 0.85s linear infinite reverse;
}
.vip-sonar-spinner i:nth-child(3) {
  inset: 8px;
  border-top-color: #ff3cac;
  animation: vip-sonar-spin 0.65s linear infinite;
}
.vip-sonar-spinner b {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #00f5ff;
  box-shadow: 0 0 6px #00f5ff, 0 0 12px rgba(0, 245, 255, 0.5);
  animation: vip-sonar-pulse 1.1s ease-in-out infinite;
}
@keyframes vip-sonar-spin { to { transform: rotate(360deg); } }
@keyframes vip-sonar-pulse {
  0%, 100% { transform: scale(0.6); opacity: 0.5; }
  50%      { transform: scale(1.25); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .vip-sonar-spinner i, .vip-sonar-spinner b { animation-duration: 2.6s; }
}

/* Override the old vip-eq-spinner bars with helix in .file-load-indicator */
.file-load-indicator .vip-eq-spinner {
  /* Legacy bars hidden; helix inserted by vip-enhancements.js */
  display: none !important;
}

/* ── Processing Status Badge ───────────────────────────────── */
#vip-proc-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border-radius: 6px;
  margin-bottom: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #fca5a5;
  background: rgba(127, 29, 29, 0.22);
  border: 1px solid rgba(239, 68, 68, 0.22);
  transition: background 0.22s, border-color 0.22s, color 0.22s;
}

#vip-proc-badge .vip-pb-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #6b7280;
  flex-shrink: 0;
  transition: background 0.22s;
}

#vip-proc-badge .vip-pb-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#vip-proc-badge .vip-pb-spinner {
  flex-shrink: 0;
}

/* Badge states */
#vip-proc-badge[data-state="idle"] .vip-pb-dot     { background: #6b7280; }
#vip-proc-badge[data-state="loading"] {
  background: rgba(6, 38, 62, 0.36);
  border-color: rgba(255, 42, 42, 0.38);
  color: #ff6b6b;
}
#vip-proc-badge[data-state="loading"] .vip-pb-dot  { background: #ff2a2a; }

#vip-proc-badge[data-state="processing"] {
  background: rgba(79, 24, 9, 0.36);
  border-color: rgba(249, 115, 22, 0.45);
  color: #fdba74;
}
#vip-proc-badge[data-state="processing"] .vip-pb-dot { background: #f97316; }

@keyframes vip-badge-proc-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}
#vip-proc-badge[data-state="processing"] .vip-pb-dot {
  animation: vip-badge-proc-pulse 1s ease-in-out infinite;
}

#vip-proc-badge[data-state="done"] {
  background: rgba(5, 46, 22, 0.34);
  border-color: rgba(255, 85, 0, 0.42);
  color: #86efac;
}
#vip-proc-badge[data-state="done"] .vip-pb-dot { background: #ff5500; }

#vip-proc-badge[data-state="error"] {
  background: rgba(127, 29, 29, 0.38);
  border-color: rgba(239, 68, 68, 0.55);
  color: #fca5a5;
}
#vip-proc-badge[data-state="error"] .vip-pb-dot {
  background: #ef4444;
  animation: none;
}

/* -- VIP Reactor Core Loader ------------------------------------ */
.reactor-core-loader {
  display: inline-flex;
  position: relative;
  width: 18px;
  height: 18px;
  vertical-align: middle;
  align-items: center;
  justify-content: center;
  margin-right: 6px;
}
.reactor-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid transparent;
  border-top-color: #ff2a2a;
  border-bottom-color: #ff2a2a;
  border-radius: 50%;
  animation: reactor-spin 1s linear infinite;
  box-shadow: 0 0 8px rgba(255, 42, 42, 0.4) inset, 0 0 8px rgba(255, 42, 42, 0.4);
}
.reactor-core {
  position: absolute;
  width: 8px;
  height: 8px;
  background: #ff1111;
  border-radius: 50%;
  box-shadow: 0 0 12px #ff1111, 0 0 24px #cc0000;
  animation: reactor-pulse 0.8s ease-in-out infinite alternate;
}
@keyframes reactor-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes reactor-pulse {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(1.3); opacity: 1; }
}