/**
 * KTX2 performans sayfası — öğretici lab (VRAM çubuğu, yükleme hissi, indirme mini bar)
 * Kök: figure.doc-ktx2-performance-lab [data-material-demo="ktx2-performance-lab"]
 */

figure.doc-ktx2-performance-lab {
  border-color: rgba(94, 200, 255, 0.22);
}

.doc-ktx2-performance-lab .doc-material-demo__tag {
  color: rgba(150, 215, 255, 0.95);
}

.doc-perf-lab__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 0.75rem 0.9rem 0.5rem;
  box-sizing: border-box;
}

@media (min-width: 860px) {
  .doc-perf-lab__body {
    grid-template-columns: minmax(0, 17.5rem) minmax(0, 1fr);
    align-items: start;
    gap: 1rem 1.1rem;
    padding: 0.85rem 1rem 0.55rem;
  }
}

.doc-perf-lab__stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.doc-perf-lab__block {
  padding: 0.65rem 0.7rem 0.7rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 4, 14, 0.45);
}

.doc-perf-lab__block-title {
  margin: 0 0 0.5rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: rgba(155, 190, 235, 0.9);
}

.doc-perf-lab__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.55rem;
}

.doc-perf-lab__pill {
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.32rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(195, 210, 235, 0.92);
  background: rgba(8, 12, 22, 0.75);
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    color 0.15s ease;
}

.doc-perf-lab__pill:hover {
  border-color: rgba(94, 200, 255, 0.35);
}

.doc-perf-lab__pill[aria-pressed="true"] {
  border-color: rgba(94, 200, 255, 0.55);
  color: #0a0e14;
  background: linear-gradient(135deg, #5ec8ff, #3a9fd8);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.25);
}

.doc-perf-lab__bar-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 0.45rem 0.55rem;
  overflow: visible;
}

.doc-perf-lab__bar-row--shake-png .doc-perf-lab__bar-track {
  animation: doc-perf-bar-track-shake 0.48s ease-in-out 1 both;
}

@keyframes doc-perf-bar-track-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  18% {
    transform: translateX(-2px);
  }
  36% {
    transform: translateX(2px);
  }
  54% {
    transform: translateX(-1.2px);
  }
  72% {
    transform: translateX(1.2px);
  }
}

.doc-perf-lab__bar-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.35);
}

.doc-perf-lab__bar-fill {
  height: 100%;
  width: 0%;
  max-width: 100%;
  border-radius: inherit;
  transition: none;
  will-change: width;
}

.doc-perf-lab__bar-fill--anim-fast {
  transition:
    width 0.26s cubic-bezier(0.5, 0, 0.15, 1),
    background 0.2s ease;
}

.doc-perf-lab__bar-fill--anim-slow {
  transition:
    width 1.18s cubic-bezier(0.2, 0.9, 0.28, 1),
    background 0.5s ease;
}

.doc-perf-lab__bar-fill--bad {
  background: linear-gradient(90deg, #c44 0%, #e85555 100%);
}

.doc-perf-lab__bar-fill--good {
  background: linear-gradient(90deg, #2a9d6a 0%, #3dd68f 100%);
}

/* PNG: hızlı dolu bar + kırmızı nabız + mikro parıltı — “tehlike” hissi */
.doc-perf-lab__bar-track--impact-png .doc-perf-lab__bar-fill--bad {
  animation:
    doc-perf-bar-pulse-red 0.68s ease-in-out 0.28s 5,
    doc-perf-bar-micro-flicker 0.45s ease-in-out 0.55s 2;
}

@keyframes doc-perf-bar-pulse-red {
  0%,
  100% {
    filter: brightness(1) drop-shadow(0 0 0 transparent);
  }
  50% {
    filter: brightness(1.24) drop-shadow(0 0 11px rgba(255, 60, 60, 0.58));
  }
}

@keyframes doc-perf-bar-micro-flicker {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.88;
  }
}

/* KTX2: yavaş dolu bar + yeşil stabilize — “güven” hissi */
.doc-perf-lab__bar-track--impact-ktx .doc-perf-lab__bar-fill--good {
  animation: doc-perf-bar-settle-green 1.25s ease-out 0.95s 1 forwards;
}

@keyframes doc-perf-bar-settle-green {
  0% {
    filter: brightness(1.12) drop-shadow(0 0 8px rgba(60, 220, 160, 0.45));
  }
  100% {
    filter: brightness(1) drop-shadow(0 0 3px rgba(60, 220, 160, 0.22));
  }
}

.doc-perf-lab__bar-meta {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.74rem;
  font-weight: 600;
  color: rgba(220, 230, 248, 0.96);
  white-space: nowrap;
}

.doc-perf-lab__bar-ico {
  font-size: 0.85rem;
  line-height: 1;
}

.doc-perf-lab__block--usecase {
  border-color: rgba(94, 200, 255, 0.14);
  background: rgba(4, 10, 22, 0.55);
}

.doc-perf-lab__usecase-list {
  margin: 0;
  padding: 0 0 0 0.1rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.72rem;
  line-height: 1.45;
  color: rgba(185, 205, 235, 0.95);
}

.doc-perf-lab__usecase-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.45rem;
}

.doc-perf-lab__usecase-arrow {
  color: rgba(120, 200, 255, 0.85);
  font-weight: 700;
}

.doc-perf-lab__dl-grid {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.doc-perf-lab__dl-row {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  align-items: center;
  gap: 0.4rem 0.5rem;
  font-size: 0.72rem;
  padding: 0.38rem 0.48rem;
  border-radius: 9px;
}

.doc-perf-lab__dl-row--png {
  background: linear-gradient(90deg, rgba(200, 60, 60, 0.14), rgba(200, 60, 60, 0.02));
  border: 1px solid rgba(220, 90, 90, 0.22);
  border-left: 3px solid rgba(230, 100, 100, 0.65);
}

.doc-perf-lab__dl-row--ktx {
  background: linear-gradient(90deg, rgba(46, 200, 150, 0.12), rgba(46, 200, 150, 0.02));
  border: 1px solid rgba(60, 200, 160, 0.2);
  border-left: 3px solid rgba(70, 220, 170, 0.55);
}

.doc-perf-lab__dl-val--ktx {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.doc-perf-lab__dl-ratio-badge {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.12rem 0.38rem;
  border-radius: 6px;
  color: rgba(210, 255, 235, 0.98);
  background: rgba(30, 160, 120, 0.35);
  border: 1px solid rgba(80, 230, 190, 0.35);
  white-space: nowrap;
}

.doc-perf-lab__dl-label {
  font-weight: 600;
  color: rgba(175, 195, 225, 0.92);
}

.doc-perf-lab__dl-track {
  height: 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.doc-perf-lab__dl-fill {
  height: 100%;
  border-radius: inherit;
  transition: width 0.4s ease;
}

.doc-perf-lab__dl-fill--png {
  width: 100%;
  background: linear-gradient(90deg, rgba(220, 90, 90, 0.85), rgba(255, 120, 100, 0.75));
}

.doc-perf-lab__dl-fill--ktx {
  width: 26.67%;
  background: linear-gradient(90deg, rgba(46, 200, 160, 0.85), rgba(80, 220, 190, 0.8));
}

.doc-perf-lab__dl-val {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.7rem;
  color: rgba(200, 215, 240, 0.95);
  white-space: nowrap;
}

.doc-perf-lab__stage {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-width: 0;
}

.doc-perf-lab__load-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.doc-perf-lab__load-btn {
  border: none;
  border-radius: 10px;
  padding: 0.45rem 0.95rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  color: #05070c;
  background: linear-gradient(135deg, #3a9fd8, #5ec8ff);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  transition: filter 0.15s ease, transform 0.12s ease;
}

.doc-perf-lab__load-btn:hover {
  filter: brightness(1.06);
}

.doc-perf-lab__load-btn:active {
  transform: translateY(1px);
}

.doc-perf-lab__load-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.doc-perf-lab__load-hint {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.45;
  color: rgba(155, 175, 205, 0.9);
}

.doc-perf-lab__load-hint-line {
  display: inline;
  margin-left: 0.25rem;
  font-weight: 600;
}

.doc-perf-lab__load-hint-line--bad {
  color: rgba(255, 150, 150, 0.95);
}

.doc-perf-lab__load-hint-line--good {
  color: rgba(120, 235, 190, 0.95);
}

.doc-perf-lab__network {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.45rem 0.55rem 0.5rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(0, 6, 16, 0.55);
}

.doc-perf-lab__network-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(145, 185, 230, 0.92);
}

.doc-perf-lab__network-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.4rem 0.55rem;
}

.doc-perf-lab__network-hint {
  font-size: 0.62rem;
  font-weight: 600;
  color: rgba(140, 165, 200, 0.85);
  white-space: nowrap;
}

.doc-perf-lab__network-slider {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  accent-color: #5ec8ff;
  cursor: pointer;
}

.doc-perf-lab__network-value {
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(200, 225, 255, 0.96);
}

.doc-perf-lab__network-note {
  margin: 0;
  font-size: 0.62rem;
  line-height: 1.4;
  color: rgba(130, 155, 190, 0.88);
}

.doc-perf-lab__viewport-shell {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(94, 200, 255, 0.15);
  min-height: 200px;
  aspect-ratio: 16 / 10;
  background: radial-gradient(ellipse 80% 75% at 50% 90%, rgba(40, 90, 140, 0.25), #05060c 62%);
}

.doc-perf-lab__viewport-shell--png-chug {
  animation: doc-perf-viewport-png-chug 0.44s ease-in-out 1 both;
}

@keyframes doc-perf-viewport-png-chug {
  0%,
  100% {
    opacity: 1;
  }
  14% {
    opacity: 0.32;
  }
  28% {
    opacity: 0.88;
  }
  42% {
    opacity: 0.36;
  }
  58% {
    opacity: 0.8;
  }
  72% {
    opacity: 0.44;
  }
}

.doc-perf-lab__viewport-shell--flash-ok {
  animation: doc-perf-viewport-flash-ok 0.5s ease-out 1;
}

@keyframes doc-perf-viewport-flash-ok {
  0% {
    box-shadow:
      inset 0 0 0 2px rgba(70, 220, 170, 0.95),
      0 0 24px rgba(50, 200, 150, 0.35);
  }
  100% {
    box-shadow:
      inset 0 0 0 0 transparent,
      0 0 0 transparent;
  }
}

.doc-perf-lab__viewport-shell .doc-material-demo__viewport {
  position: absolute;
  inset: 0;
}

.doc-perf-lab__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  background: rgba(4, 6, 12, 0.82);
  backdrop-filter: blur(4px);
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(220, 232, 252, 0.96);
}

.doc-perf-lab__overlay[hidden] {
  display: none !important;
}

.doc-perf-lab__overlay--png-stall {
  overflow: hidden;
}

.doc-perf-lab__overlay--png-stall::before {
  content: "";
  position: absolute;
  inset: -10% -5%;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0) 0 2px,
    rgba(0, 0, 0, 0.18) 2px 3px
  );
  opacity: 0.45;
  mix-blend-mode: multiply;
  animation: doc-perf-overlay-scan 0.55s linear infinite;
}

.doc-perf-lab__overlay--png-stall::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 80, 80, 0.12);
  animation: doc-perf-overlay-glitch-edge 0.12s steps(2, end) infinite;
}

@keyframes doc-perf-overlay-scan {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(6px);
  }
}

@keyframes doc-perf-overlay-glitch-edge {
  0%,
  100% {
    clip-path: inset(0 0 0 0);
    opacity: 0.55;
  }
  50% {
    clip-path: inset(0 2% 0 0);
    opacity: 0.85;
  }
}

.doc-perf-lab__viewport-shell--png-glitch-tint {
  animation: doc-perf-shell-glitch-tint 0.18s steps(2, end) infinite;
}

@keyframes doc-perf-shell-glitch-tint {
  0%,
  100% {
    filter: contrast(1.06) brightness(0.94) saturate(0.92);
  }
  50% {
    filter: contrast(1.12) brightness(0.88) saturate(0.85) hue-rotate(-4deg);
  }
}

.doc-perf-lab__spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-top-color: rgba(94, 200, 255, 0.95);
  animation: doc-perf-spin 0.7s linear infinite;
}

.doc-perf-lab__overlay--png-stall .doc-perf-lab__spinner {
  animation: doc-perf-spin-stall 1.35s steps(4, end) infinite;
  opacity: 0.78;
}

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

@keyframes doc-perf-spin-stall {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .doc-perf-lab__spinner {
    animation: none;
    border-top-color: rgba(94, 200, 255, 0.5);
  }

  .doc-perf-lab__overlay--png-stall .doc-perf-lab__spinner {
    animation: none;
  }

  .doc-perf-lab__bar-track--impact-png .doc-perf-lab__bar-fill--bad,
  .doc-perf-lab__bar-track--impact-ktx .doc-perf-lab__bar-fill--good {
    animation: none;
  }

  .doc-perf-lab__overlay--png-stall::before,
  .doc-perf-lab__overlay--png-stall::after {
    animation: none;
    opacity: 0.2;
  }

  .doc-perf-lab__viewport-shell--png-glitch-tint {
    animation: none;
    filter: none;
  }

  .doc-perf-lab__viewport-shell--flash-ok {
    animation: none;
  }

  .doc-perf-lab__viewport-shell--png-chug {
    animation: none;
  }

  .doc-perf-lab__bar-row--shake-png .doc-perf-lab__bar-track {
    animation: none;
  }

  .doc-perf-lab__bar-fill,
  .doc-perf-lab__dl-fill {
    transition: none;
  }
}

.doc-perf-lab__status {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(130, 200, 255, 0.92);
}