/* Source: context-switching-simulator.html inline styles */
#runBtn,
#floatingRunBtn {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 6px color-mix(in srgb, var(--color-primary) 24%, transparent);
}

#runBtn:hover,
#floatingRunBtn:hover {
  border-color: color-mix(in srgb, var(--color-primary) 85%, #000);
  background: color-mix(in srgb, var(--color-primary) 85%, #000);
}

#runBtn:focus-visible,
#floatingRunBtn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.simulator-page .view-tabs {
  scroll-margin-top: 12px;
}

.simulator-page {
  width: min(1280px, calc(100% - 32px));
  margin-right: auto;
  margin-left: auto;
  --simulator-run: #2e9d63;
  --simulator-complete: #27815a;
  --simulator-wait: #f3a51b;
  --simulator-secondary: #7c4dff;
  --simulator-accent: #3861fb;
  --simulator-muted: #7b8794;
  --simulator-border: var(--gh-border);
  --simulator-panel: var(--gh-canvas);
  --simulator-panel-soft: var(--gh-canvas-subtle);
  --simulator-track: var(--gh-border);
  --simulator-productive: var(--simulator-run);
  --simulator-primary: var(--simulator-accent);
  --simulator-primary-soft: color-mix(in srgb, var(--simulator-accent) 12%, var(--gh-canvas));
  --simulator-wait-soft: color-mix(in srgb, var(--simulator-wait) 14%, var(--gh-canvas));
}

.view-panel[data-panel='simulator'] .sim-grid {
  grid-template-columns: minmax(0, 1fr);
}

.process-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
}

.cpu-core {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--simulator-border);
  border-radius: 16px;
  background: var(--simulator-panel-soft);
  text-align: center;
}

.cpu-core small,
.queue-title {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--simulator-muted);
}

.cpu-pid {
  margin: 8px 0 3px;
  font-size: 2rem;
  font-weight: 900;
}

.quantum-track {
  width: 78%;
  height: 8px;
  margin-top: 13px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--simulator-track);
}

.quantum-fill {
  height: 100%;
  background: var(--simulator-run);
  transition: width 0.12s linear;
}

.process-queue {
  min-height: 220px;
  padding: 13px;
  border: 1px solid var(--simulator-border);
  border-radius: 16px;
  background: var(--simulator-panel-soft);
}

.queue-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.process-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.process-chip {
  min-width: 57px;
  padding: 8px;
  border: 1px solid var(--simulator-border);
  border-radius: 10px;
  background: var(--simulator-panel);
  font-size: 0.73rem;
}

.process-chip b {
  display: block;
  font-size: 0.86rem;
}

.process-chip.waiting {
  border-color: var(--simulator-wait);
  background: var(--simulator-wait-soft);
}

.process-chip.done {
  opacity: 0.7;
  border-color: var(--simulator-productive);
}

.switch-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 8px;
  align-items: center;
  margin-top: 14px;
  padding: 10px;
  border: 1px solid var(--simulator-border);
  border-radius: 14px;
}

.switch-stage {
  padding: 8px;
  text-align: center;
  border-radius: 9px;
  color: var(--simulator-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.switch-stage.active {
  color: var(--simulator-primary);
  background: var(--simulator-primary-soft);
}

.cpu-timeline {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 58px;
  gap: 6px 0;
  padding: 9px;
  border: 1px solid var(--simulator-border);
  border-radius: 12px;
  background: var(--simulator-panel-soft);
}

.cpu-segment {
  display: flex;
  flex: 0 0 auto;
  min-width: 0;
  max-width: 100%;
  height: 28px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 0;
  padding: 0;
  font-size: 0.67rem;
  font-weight: 800;
  white-space: nowrap;
}

.cpu-segment[hidden] {
  display: none;
}

.cpu-segment.run {
  color: #243447;
  background: #91b7df;
}

.cpu-segment.cs {
  color: #754f2d;
  background: repeating-linear-gradient(135deg, #f4cfaa 0 5px, #fff0df 5px 10px);
}

.cpu-segment.idle {
  color: #285f51;
  background: #a9d9c8;
}

.cpu-segment.run.completed {
  color: #fff;
  background: var(--simulator-complete);
}

.timeline-legend .tl-legend-completed::before {
  background: var(--simulator-complete);
}

.efficiency-bar {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--simulator-track);
}

.efficiency-bar i {
  display: block;
  height: 100%;
  background: var(--simulator-productive);
}

.event-log {
  display: grid;
  max-height: 190px;
  gap: 6px;
  overflow: auto;
}

.event-log div {
  padding: 7px 9px;
  border-radius: 8px;
  background: var(--simulator-panel-soft);
  color: var(--simulator-muted);
  font-size: 0.72rem;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.preset-row .simulator-button.active {
  color: #fff;
  border-color: var(--simulator-primary);
  background: var(--simulator-primary);
}

.timeline-heading {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 18px 0 8px;
}

.learn-flow {
  display: grid;
  grid-template-columns:
    minmax(135px, 1fr) auto minmax(135px, 1fr) auto minmax(135px, 1fr)
    auto minmax(135px, 1fr) auto minmax(135px, 1fr);
  gap: 8px;
  align-items: stretch;
  margin-top: 14px;
}

.learn-step {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 12px;
  border: 1px solid var(--simulator-border);
  border-radius: 10px;
  background: var(--simulator-panel-soft);
  text-align: center;
}

.learn-step b {
  display: block;
  margin-bottom: 4px;
  font-size: 0.78rem;
}

.learn-step small {
  color: var(--simulator-muted);
  font-size: 0.68rem;
  line-height: 1.4;
}

.learn-flow i {
  align-self: center;
  text-align: center;
  color: var(--simulator-muted);
}

.learn-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--simulator-muted);
  font-size: 0.8rem;
}

.learn-list li + li {
  margin-top: 5px;
}

.learn-summary {
  margin-top: 16px;
  padding: 14px;
  border-left: 3px solid var(--simulator-primary);
  border-radius: 0 10px 10px 0;
  background: var(--simulator-primary-soft);
}

.learn-summary strong {
  display: block;
  margin-bottom: 4px;
}

.view-panel[data-panel='analysis'] {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}

.view-panel[data-panel='analysis'] .simulator-panel {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}

.view-panel[data-panel='analysis'] .result-grid {
  grid-template-columns: minmax(0, 2.7fr) minmax(160px, 1fr);
}

.view-panel[data-panel='analysis'] .result-grid > * {
  border-left: 0;
  border-bottom: 1px solid var(--gh-border);
}

.view-panel[data-panel='analysis'] .result-grid > *:nth-child(even) {
  border-left: 1px solid var(--gh-border);
}

.view-panel[data-panel='analysis'] .result-grid .better {
  color: var(--simulator-run);
  font-weight: 900;
}

.getting-started {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--simulator-border);
  border-radius: 16px;
  background: var(--simulator-panel);
}

.getting-started h2 {
  margin: 0 0 4px;
}

.getting-started > p {
  margin: 0;
  color: var(--simulator-muted);
  font-size: 14px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.scenario-card {
  position: relative;
  min-height: 112px;
  padding: 14px;
  border: 1px solid var(--simulator-border);
  border-radius: 13px;
  background: var(--simulator-panel);
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.scenario-card:hover {
  border-color: var(--simulator-primary);
  transform: translateY(-1px);
}

.scenario-card.active {
  border: 2px solid var(--simulator-primary);
  background: var(--simulator-primary-soft);
}

.scenario-card strong,
.scenario-card span {
  display: block;
}

.scenario-card strong {
  margin-bottom: 4px;
}

.scenario-card span {
  color: var(--simulator-muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.start-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--simulator-border);
}

.start-bar p {
  margin: 0;
  color: var(--simulator-muted);
  font-size: 0.82rem;
}

.start-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

.start-actions .simulator-button {
  line-height: 1.4;
}

.start-main {
  flex: 0 0 auto;
  width: auto;
  min-width: 180px;
  min-height: 44px;
  padding-inline: 22px;
  font-size: 0.9rem;
}

.start-reset {
  min-height: 44px;
}

.advanced-settings {
  margin-top: 12px;
  border-top: 1px solid var(--simulator-border);
}

.advanced-settings summary {
  padding: 13px 2px 0;
  cursor: pointer;
  font-weight: 800;
}

.advanced-settings .controls-grid {
  width: 100%;
  margin-top: 12px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.advanced-settings .simulator-field {
  min-width: 0;
}

.now-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  margin: 0 0 14px;
  padding: 13px;
  border: 1px solid var(--simulator-border);
  border-radius: 13px;
  background: var(--simulator-primary-soft);
}

#liveProcessMovement {
  scroll-margin-top: 16px;
}

.now-card .now-icon {
  position: relative;
  display: flex;
  width: 48px;
  height: 48px;
  margin: 0;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--simulator-primary, #3861fb);
  color: white;
  font-size: 1.2rem;
  line-height: 1;
  font-weight: 900;
}

.now-card .now-icon svg {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 24px;
  height: 24px;
  margin: 0;
  transform: translate(-50%, -50%);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.now-card .now-icon .now-icon-switch {
  stroke: none;
}

.now-card .now-icon .now-icon-switch text {
  fill: currentColor;
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: -0.3px;
  text-anchor: middle;
  dominant-baseline: central;
}

.now-card strong,
.now-card span {
  display: block;
}

.now-card span {
  margin-top: 2px;
  color: var(--simulator-muted);
  font-size: 0.78rem;
}

.playback-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-top: 14px;
}

.playback-row .simulator-button {
  min-height: 44px;
}

.simulation-progress {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--simulator-track);
}

.simulation-progress i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--simulator-primary);
  transition: width 0.2s ease;
}

.queue-help {
  margin: 0 0 9px;
  color: var(--simulator-muted);
  font-size: 0.7rem;
}

.simulation-progress {
  margin-bottom: 14px;
}

.cpu-segment {
  transition:
    opacity 0.2s ease,
    box-shadow 0.2s ease;
}

.cpu-segment.past {
  opacity: 1;
}

.cpu-segment.current {
  opacity: 1;
  box-shadow: inset -2px 0 var(--color-primary);
}

#startTitle {
  font-size: clamp(1rem, 4.4vw, 1.35rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.start-actions {
  display: grid;
  width: 360px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.start-actions .simulator-button {
  width: 100%;
  min-width: 0;
  min-height: 44px;
}

.simulator-page .hero {
  padding-right: 190px;
}

.simulator-page .hero::after {
  display: none;
}

.hero-avatar {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: 28px;
  width: 120px;
  height: 120px;
  object-fit: contain;
  transform: translateY(-50%);
  pointer-events: none;
}

.simulator-page .hero h1,
.simulator-page .hero .hero-label,
.simulator-page .hero-description {
  position: relative;
  z-index: 2;
}

@media (max-width: 900px) {
  .scenario-grid {
    grid-template-columns: 1fr 1fr;
  }

  .advanced-settings .controls-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .process-grid {
    grid-template-columns: 1fr;
  }

  .cpu-core {
    order: -1;
    min-height: 150px;
  }

  .process-queue {
    min-height: 120px;
  }

  .switch-flow,
  .learn-flow {
    grid-template-columns: 1fr;
  }

  .switch-flow > i,
  .learn-flow > i {
    transform: rotate(90deg);
    text-align: center;
  }

  .start-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .start-actions {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .start-actions .simulator-button {
    padding-inline: 8px;
    font-size: 0.78rem;
    white-space: nowrap;
  }

  .start-main {
    width: auto;
  }
}

@media (max-width: 620px) {
  .simulator-page .hero {
    padding-right: 18px;
  }

  .hero-avatar {
    top: 18px;
    right: 16px;
    width: 62px;
    height: 62px;
    transform: none;
  }

  .simulator-page .hero h1 {
    max-width: calc(100% - 68px);
  }
}

@media (max-width: 520px) {
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .advanced-settings .controls-grid {
    grid-template-columns: 1fr;
  }

  .scenario-card {
    min-height: auto;
  }
}

/* Shared hero treatment: keep this last so it matches blocking/non-blocking I/O. */
/* Source: page-specific hero styles */
body.common-header-overlay .wrap {
  position: relative;
  padding: 0 0 24px;
}

body.common-header-overlay .site-header {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(calc(100% - 32px), 1280px);
  transform: translateX(-50%);
}

body.common-header-overlay .site-header .menu {
  color: #fff;
}

body.common-header-overlay .calculator-page.simulator-page {
  margin-top: 0;
}

.simulator-page .hero {
  min-height: 380px;
  margin-top: 0;
  padding: 126px 42% 42px 38px;
  border: 0;
  border-radius: 24px;
  background: #eaf6ff;
  box-shadow: 0 18px 44px rgba(34, 72, 126, 0.13);
}

.simulator-page .hero::after {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 24px;
  background:
    linear-gradient(
      90deg,
      rgba(248, 252, 255, 0.98) 0%,
      rgba(239, 248, 255, 0.94) 29%,
      rgba(235, 247, 255, 0.55) 46%,
      rgba(235, 247, 255, 0) 62%
    ),
    url('/resources/pic/categories/computer-hero.webp') center/cover no-repeat;
  content: '';
  opacity: 1;
  pointer-events: none;
}

.simulator-page .hero h1,
.simulator-page .hero .hero-label,
.simulator-page .hero-description {
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  body.common-header-overlay .wrap {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 0 10px;
  }

  body.common-header-overlay .site-header {
    width: 100%;
  }

  body.common-header-overlay .site-header .menu {
    color: var(--common-ink);
    text-shadow: none;
  }

  .calculator-page.simulator-page {
    margin-top: 0;
  }

  .simulator-page .hero {
    width: 100%;
    min-height: 530px;
    margin-top: 0;
    margin-left: 0;
    padding: 70px 20px 270px;
    border-radius: 0 0 16px 16px;
    background: #f8fcff;
    box-shadow: none;
    transform: none;
  }

  .simulator-page .hero::after {
    inset: auto 0 0;
    width: 100%;
    height: 280px;
    border-radius: 0 0 16px 16px;
    background:
      linear-gradient(
        180deg,
        #f8fcff 0%,
        rgba(248, 252, 255, 0.96) 7%,
        rgba(248, 252, 255, 0.36) 22%,
        rgba(248, 252, 255, 0) 38%
      ),
      url('/resources/pic/categories/computer-hero.webp') 63% center/auto 100% no-repeat;
    opacity: 1;
  }

  .simulator-page .hero-label {
    margin-bottom: 7px;
    font-size: 0.65rem;
  }

  .simulator-page .hero h1 {
    max-width: 100%;
    font-size: clamp(1.75rem, 7.8vw, 2.1rem);
    line-height: 1.06;
    letter-spacing: -0.04em;
  }

  .simulator-page .hero .lead {
    max-width: 100%;
    margin-top: 1px;
    color: #40536b;
    font-size: 0.8rem;
    line-height: 1.48;
  }
}

@media (max-width: 768px) {
  .simulator-page .getting-started {
    width: 100%;
    min-width: 0;
    margin: 0;
    padding: 20px 16px;
    border: 0;
    border-top: 1px solid var(--color-border);
    border-radius: 0;
    background: var(--color-surface);
    box-shadow: none;
  }
}