/* ============================================================
   VoiceIsolate Pro — ASTM FTS Processing Overlay Styles
   Neural Audio Processor · Canvas Spinner + Mini Spectrograph
   v3.0  ·  VoiceIsolate Pro v25.0.0
   ============================================================ */

:root {
  --vip-bg:       rgba(2, 6, 12, 0.92);
  --vip-panel:    rgba(8, 14, 22, 0.96);
  --vip-panel-2:  rgba(12, 18, 28, 0.99);
  --vip-border:   rgba(60, 100, 140, 0.22);
  --vip-cyan:     #00ffe7;
  --vip-cyan-dim: rgba(0, 255, 231, 0.55);
  --vip-violet:   #9d4dff;
  --vip-pink:     #ff3cac;
  --vip-amber:    #f7b955;
  --vip-text:     #d8e6f4;
  --vip-dim:      #5a7a96;
  --vip-shadow:   0 0 32px rgba(0,255,231,.07), 0 0 96px rgba(157,77,255,.07);
  --vip-radius:   22px;
}

/* ── Body lock ─────────────────────────────────────────────── */
body.vip-processing-lock {
  overflow: hidden;
  touch-action: none;
}

/* Cancel control (all long-running ops) */
.proc-actions {
  display: flex;
  justify-content: center;
  margin: 14px 0 4px;
}
.proc-cancel-btn {
  min-height: 44px;
  min-width: 120px;
  padding: 10px 22px;
  border-radius: 10px;
  border: 1px solid rgba(0, 255, 231, 0.35);
  background: rgba(0, 20, 30, 0.75);
  color: var(--vip-text, #d8e6f4);
  font: 600 13px/1 system-ui, sans-serif;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: border-color 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}
.proc-cancel-btn:hover:not(:disabled) {
  border-color: var(--vip-cyan, #00ffe7);
  background: rgba(0, 40, 50, 0.9);
}
.proc-cancel-btn:focus-visible {
  outline: 2px solid var(--vip-cyan, #00ffe7);
  outline-offset: 2px;
}
.proc-cancel-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── Overlay shell ─────────────────────────────────────────── */
.processing-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: var(--vip-bg);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .32s ease, visibility .32s ease;
  z-index: 99999;
}

.processing-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ── Animated backdrop layers ──────────────────────────────── */
.proc-backdrop {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.proc-backdrop-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,231,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,231,.035) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(157,77,255,.13), transparent 48%);
  background-size: 44px 44px, 44px 44px, 100% 100%;
  mask-image: radial-gradient(circle at center, black 38%, transparent 88%);
  animation: vip-grid-drift 20s linear infinite;
}

.proc-backdrop-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0, 255, 231, 0.012) 3px,
    rgba(0, 255, 231, 0.012) 4px
  );
  pointer-events: none;
}

/* ── Processing card ───────────────────────────────────────── */
.processing-card {
  position: relative;
  width: min(100%, 780px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 26px 26px 22px;
  border-radius: var(--vip-radius);
  border: 1px solid var(--vip-border);
  background:
    radial-gradient(circle at top center, rgba(0,255,231,.045), transparent 38%),
    radial-gradient(circle at bottom right, rgba(255,60,172,.05), transparent 40%),
    radial-gradient(circle at top left, rgba(157,77,255,.04), transparent 36%),
    linear-gradient(180deg, var(--vip-panel) 0%, var(--vip-panel-2) 100%);
  box-shadow: var(--vip-shadow), 0 40px 100px rgba(0,0,0,.45);
  overflow: hidden;
}

/* Animated gradient border */
.processing-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(0,255,231,.45),
    rgba(157,77,255,.18),
    rgba(255,60,172,.38),
    rgba(247,185,85,.22),
    rgba(0,255,231,.45)
  );
  background-size: 300% 300%;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  animation: vip-border-flow 6s ease infinite;
}

/* Corner accents */
.processing-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,255,231,.6), transparent);
  pointer-events: none;
}

/* ── Card entrance ─────────────────────────────────────────── */
.vip-enter {
  animation: vip-enter .48s cubic-bezier(.2,.72,0,1.06) both;
}

/* ── Title section ─────────────────────────────────────────── */
.proc-title-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.proc-badge-wrap {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 4px;
}

.proc-badge {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 999px;
  font: 700 10px/1 'JetBrains Mono', monospace;
  letter-spacing: 2.5px;
  color: #030f0c;
  background: linear-gradient(90deg, var(--vip-cyan), #7dfff5);
  box-shadow: 0 0 18px rgba(0,255,231,.3), 0 0 40px rgba(0,255,231,.1);
}

.proc-badge--dim {
  color: var(--vip-dim);
  background: transparent;
  border: 1px solid rgba(0,255,231,.14);
  box-shadow: none;
  letter-spacing: 1.8px;
}

.proc-title {
  color: var(--vip-text);
  font: 700 26px/1.15 'Outfit', 'Segoe UI', sans-serif;
  letter-spacing: -.02em;
}

.proc-subtitle {
  color: var(--vip-dim);
  font: 500 11px/1.4 'JetBrains Mono', monospace;
  letter-spacing: .8px;
}

/* ── Canvas spinner ────────────────────────────────────────── */
.proc-spinner-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  isolation: isolate;
}

/* Concentric pulsing rings behind the spinner canvas — adds depth */
.proc-spinner-wrap::before,
.proc-spinner-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  border-radius: 50%;
  border: 1px solid rgba(0,255,231,.18);
  pointer-events: none;
  z-index: -1;
  animation: vip-spin-ring 3.4s cubic-bezier(.4,0,.2,1) infinite;
}
.proc-spinner-wrap::before {
  width: 80%;
  height: 80%;
  border-color: rgba(255,42,61,.20);
  animation-delay: .0s;
}
.proc-spinner-wrap::after {
  width: 100%;
  height: 100%;
  border-color: rgba(167,107,255,.18);
  animation-delay: 1.1s;
}
@keyframes vip-spin-ring {
  0%   { transform: scale(.85); opacity: .55; }
  60%  { transform: scale(1.05); opacity: 0; }
  100% { transform: scale(1.20); opacity: 0; }
}

.proc-spinner-canvas {
  display: block;
  width: 220px;
  height: 220px;
  /* subtle drop-shadow + tinted bloom for depth */
  filter:
    drop-shadow(0 0 22px rgba(0,255,231,.26))
    drop-shadow(0 0 36px rgba(255,42,61,.10));
  animation: vip-spin-breathe 4.2s ease-in-out infinite;
}
@keyframes vip-spin-breathe {
  0%,100% { transform: scale(1); }
  50%     { transform: scale(1.02); }
}

@media (prefers-reduced-motion: reduce) {
  .proc-spinner-wrap::before,
  .proc-spinner-wrap::after,
  .proc-spinner-canvas { animation: none !important; }
}

/* ── Stage cluster ─────────────────────────────────────────── */
.proc-stage-cluster {
  width: 100%;
  display: grid;
  gap: 8px;
}

.proc-stage-chip {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid rgba(0,255,231,.22);
  background: rgba(0,255,231,.07);
  color: var(--vip-cyan);
  font: 700 11px/1 'JetBrains Mono', monospace;
  letter-spacing: 1px;
  transition: border-color .2s, background .2s, color .2s;
}

.proc-stage-chip--cyan   { border-color: rgba(0,255,231,.22);   background: rgba(0,255,231,.07);   color: var(--vip-cyan); }
.proc-stage-chip--violet { border-color: rgba(157,77,255,.26);  background: rgba(157,77,255,.07);  color: #c4a3ff; }
.proc-stage-chip--pink   { border-color: rgba(255,60,172,.26);  background: rgba(255,60,172,.07);  color: #ff8acc; }
.proc-stage-chip--amber  { border-color: rgba(247,185,85,.26);  background: rgba(247,185,85,.07);  color: #ffce7a; }

.proc-stage-name {
  color: var(--vip-text);
  font: 600 20px/1.25 'Outfit', 'Segoe UI', sans-serif;
  transition: color .18s;
}

.proc-stage-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font: 600 12px/1 'JetBrains Mono', monospace;
  color: var(--vip-dim);
}

.proc-pct {
  color: var(--vip-cyan);
  text-shadow: 0 0 10px rgba(0,255,231,.5);
}

/* ── Progress bar ──────────────────────────────────────────── */
.proc-bar-wrap {
  position: relative;
  width: 100%;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
}

.proc-bar-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg,
    var(--vip-cyan)   0%,
    var(--vip-violet) 35%,
    var(--vip-pink)   70%,
    var(--vip-amber)  100%
  );
  box-shadow: 0 0 20px rgba(0,255,231,.28);
  transition: width .22s ease;
}

.proc-bar-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    108deg,
    transparent 18%,
    rgba(255,255,255,.18) 48%,
    transparent 78%
  );
  transform: translateX(-120%);
  animation: vip-bar-shine 2.8s linear infinite;
}

/* ── Mini spectrograph ─────────────────────────────────────── */
.proc-spectro-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.proc-spectro-label {
  font: 700 9px/1 'JetBrains Mono', monospace;
  letter-spacing: 2px;
  color: var(--vip-dim);
  text-transform: uppercase;
  opacity: .75;
}

.proc-spectro-canvas {
  display: block;
  width: 100%;
  height: 52px;
  border-radius: 8px;
  background: rgba(0,0,0,.3);
  border: 1px solid rgba(255,255,255,.04);
}

/* ── Phase track ───────────────────────────────────────────── */
.proc-phase-track {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.proc-phase-pill {
  min-height: 62px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 10px 11px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.025);
  color: var(--vip-dim);
  transition:
    transform .2s cubic-bezier(.22,.68,0,1.2),
    border-color .2s ease,
    background .2s ease,
    color .2s ease,
    box-shadow .2s ease;
  cursor: default;
}

.proc-phase-pill.active {
  transform: translateY(-3px);
  color: var(--vip-text);
}

.proc-phase-pill.complete {
  border-color: rgba(0,255,231,.15);
  background: rgba(0,255,231,.04);
}

/* Colour variants */
.proc-phase-pill--cyan.active   { border-color: rgba(0,255,231,.4);   background: rgba(0,255,231,.08);   box-shadow: 0 4px 20px rgba(0,255,231,.1); }
.proc-phase-pill--violet.active { border-color: rgba(157,77,255,.4);  background: rgba(157,77,255,.08);  box-shadow: 0 4px 20px rgba(157,77,255,.1); }
.proc-phase-pill--pink.active   { border-color: rgba(255,60,172,.4);  background: rgba(255,60,172,.08);  box-shadow: 0 4px 20px rgba(255,60,172,.1); }
.proc-phase-pill--amber.active  { border-color: rgba(247,185,85,.4);  background: rgba(247,185,85,.08);  box-shadow: 0 4px 20px rgba(247,185,85,.1); }

/* ── complete pulse for finished phases ── */
.proc-phase-pill.complete::before {
  display: none;
}

.proc-phase-icon {
  font-size: 15px;
  line-height: 1;
}

.proc-phase-label {
  font: 600 10px/1.2 'JetBrains Mono', monospace;
  letter-spacing: .3px;
}

/* ── Message ───────────────────────────────────────────────── */
.proc-message-wrap {
  width: 100%;
}

.proc-message-label {
  margin-bottom: 5px;
  color: var(--vip-dim);
  font: 700 9px/1 'JetBrains Mono', monospace;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: .8;
}

.proc-message {
  min-height: 26px;
  color: var(--vip-text);
  font: 600 15px/1.45 'Outfit', 'Segoe UI', sans-serif;
  transition: opacity .25s ease, transform .25s ease;
}

.proc-message.fade-out {
  opacity: 0;
  transform: translateY(5px);
}

.proc-message.fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* ── Status grid ───────────────────────────────────────────── */
.proc-status-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.proc-status-cell {
  padding: 11px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.025);
  border: 1px solid rgba(255,255,255,.05);
  transition: border-color .18s;
}

.proc-status-cell:hover {
  border-color: rgba(0,255,231,.12);
}

.proc-status-k {
  display: block;
  margin-bottom: 5px;
  color: var(--vip-dim);
  font: 700 9px/1 'JetBrains Mono', monospace;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

.proc-status-v {
  color: var(--vip-text);
  font: 600 12px/1.35 'Outfit', 'Segoe UI', sans-serif;
}

/* ── Footer hint ───────────────────────────────────────────── */
.proc-cancel-hint {
  width: 100%;
  text-align: center;
  color: var(--vip-dim);
  font: 600 9px/1 'JetBrains Mono', monospace;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  opacity: .65;
}

/* ── Keyframes ─────────────────────────────────────────────── */
@keyframes vip-enter {
  from { opacity: 0; transform: translateY(16px) scale(.97); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}

@keyframes vip-grid-drift {
  from { transform: translate3d(0,0,0); }
  to   { transform: translate3d(44px,44px,0); }
}

@keyframes vip-border-flow {
  0%,100% { background-position: 0%   50%; }
  50%      { background-position: 100% 50%; }
}

@keyframes vip-bar-shine {
  from { transform: translateX(-140%); }
  to   { transform: translateX(140%); }
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 840px) {
  .processing-card {
    width: min(100%, 680px);
    padding: 22px 18px 18px;
  }
  .proc-phase-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .proc-status-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .processing-overlay {
    padding: 10px;
  }
  .processing-card {
    gap: 12px;
    padding: 18px 14px 16px;
    border-radius: 18px;
  }
  .proc-spinner-wrap,
  .proc-spinner-canvas {
    width: 176px;
    height: 176px;
  }
  .proc-title {
    font-size: 21px;
  }
  .proc-stage-name {
    font-size: 17px;
  }
  .proc-phase-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .proc-phase-pill {
    min-height: auto;
  }
  .proc-status-grid {
    grid-template-columns: 1fr;
  }
  .proc-spectro-canvas {
    height: 40px;
  }
}

@media (max-width: 400px) {
  .proc-phase-track {
    grid-template-columns: 1fr;
  }
}

/* ── Reduced motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .proc-backdrop-grid,
  .proc-bar-shine,
  .processing-card::before {
    animation: none !important;
  }
}

/* Release polish: elapsed + reduced motion + filter-empty */
.proc-elapsed {
  font-variant-numeric: tabular-nums;
  color: var(--vip-dim, #5a7a96);
  letter-spacing: 0.04em;
  margin-left: 8px;
}
@media (prefers-reduced-motion: reduce) {
  .proc-cancel-btn,
  .processing-overlay,
  .proc-bar-fill {
    transition: none !important;
    animation: none !important;
  }
}