/* ==========================================================================
   Phone Camera Settings Guide — Styles
   Shared styles for model-specific phone camera guide pages
   (iPhone, Samsung Galaxy, Google Pixel)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
.phone-guide-page {
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  background-color: var(--color-gray-50);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.highlight {
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
}

/* --------------------------------------------------------------------------
   Phone Model Selector — Dropdown Picker
   Replaces hero model pills to reduce visual redundancy with section-nav
   -------------------------------------------------------------------------- */
.phone-selector {
  margin-top: var(--space-2);
  position: relative;
  display: inline-block;
}

.phone-selector-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-500);
  background: transparent;
  border: 1px dashed var(--color-gray-400);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.phone-selector-trigger:hover {
  color: var(--color-black);
  border-color: var(--color-gray-500);
  background: var(--color-white);
}

.phone-selector.is-open .phone-selector-trigger {
  color: var(--color-black);
  border-color: var(--color-gray-400);
  border-style: solid;
  background: var(--color-white);
}

.phone-selector-icon {
  flex-shrink: 0;
  opacity: 0.6;
}

.phone-selector-trigger:hover .phone-selector-icon,
.phone-selector.is-open .phone-selector-icon {
  opacity: 1;
}

.phone-selector-chevron {
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.phone-selector.is-open .phone-selector-chevron {
  transform: rotate(180deg);
}

.phone-selector-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  min-width: 540px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.08),
    0 12px 32px rgba(0, 0, 0, 0.05);
  padding: var(--space-3);
  z-index: 100;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.phone-selector.is-open .phone-selector-dropdown {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.phone-selector-group {
  padding: var(--space-2) 0;
}

.phone-selector-group:first-child {
  padding-top: var(--space-1);
}

.phone-selector-group:last-child {
  padding-bottom: var(--space-1);
}

.phone-selector-group + .phone-selector-group {
  border-top: 1px solid var(--color-gray-100);
}

.phone-selector-brand {
  display: block;
  padding: var(--space-1) var(--space-3) var(--space-1) var(--space-5);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gray-400);
}

.phone-selector-models {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: var(--space-1) var(--space-2);
}

.phone-selector-option {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.phone-selector-option:hover {
  background: var(--color-gray-100);
  color: var(--color-black);
}

.phone-selector-option.active {
  background: var(--color-black);
  color: var(--color-white);
}

.phone-selector-option.active:hover {
  opacity: 0.9;
}

@media (max-width: 640px) {
  .phone-selector-dropdown {
    min-width: 280px;
    left: 0;
    right: auto;
  }
}

/* --------------------------------------------------------------------------
   Camera System — Lens Specs Grid
   -------------------------------------------------------------------------- */
.camera-system-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.lens-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  transition: all var(--transition-fast);
}

.lens-card:hover {
  border-color: var(--color-gray-400);
  box-shadow: var(--shadow-sm);
}

.lens-card--primary {
  border-color: var(--color-black);
  box-shadow: 0 0 0 1px var(--color-black);
}

.lens-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
}

.lens-card-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-gray-600);
  stroke-width: 1.5;
  fill: none;
}

.lens-card-name {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.lens-card-focal {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-mono);
  margin-bottom: var(--space-1);
}

.lens-card-aperture {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
}

.lens-card-detail {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

/* --------------------------------------------------------------------------
   Scenario Quick-Reference Cards
   -------------------------------------------------------------------------- */
.phone-scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
}

.phone-scenario-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
}

.phone-scenario-card:hover {
  border-color: var(--color-gray-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.phone-scenario-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: var(--color-black);
  color: var(--color-white);
}

.phone-scenario-name {
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
}

.phone-scenario-mode {
  font-size: 10px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  padding: 2px var(--space-2);
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
}

.phone-scenario-settings {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: var(--space-3) var(--space-5);
  flex: 1;
}

.phone-scenario-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-gray-100);
  font-size: var(--text-sm);
}

.phone-scenario-row:last-child {
  border-bottom: none;
}

.phone-scenario-row span:first-child {
  color: var(--color-gray-500);
}

.phone-scenario-row span:last-child {
  font-family: var(--font-mono);
  font-weight: var(--font-weight-medium);
}

.phone-scenario-cta {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-400);
  border-top: 1px solid var(--color-gray-100);
  transition: color var(--transition-fast);
}

.phone-scenario-card:hover .phone-scenario-cta {
  color: var(--color-black);
}

/* --------------------------------------------------------------------------
   Video Settings Matrix
   -------------------------------------------------------------------------- */
.video-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.video-matrix-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
}

.video-matrix-card--highlight {
  border-color: var(--color-black);
  box-shadow: 0 0 0 1px var(--color-black);
}

.video-matrix-res {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-mono);
  margin-bottom: var(--space-1);
}

.video-matrix-fps {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
}

.video-matrix-codec {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

/* --------------------------------------------------------------------------
   Feature Highlight Cards
   -------------------------------------------------------------------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5);
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-fast);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card-icon {
  width: 44px;
  height: 44px;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.feature-card-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-black);
  stroke-width: 1.5;
  fill: none;
}

.feature-card-title {
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.feature-card-desc {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

.feature-card-tag {
  display: inline-block;
  margin-top: var(--space-3);
  padding: 2px var(--space-2);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  background: var(--color-gray-100);
  color: var(--color-gray-600);
  border-radius: var(--radius-sm);
}

.feature-card-tag--new {
  background: var(--color-black);
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Generation Comparison
   -------------------------------------------------------------------------- */
.gen-comparison {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.gen-comparison-header {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  background: var(--color-gray-100);
  border-bottom: 1px solid var(--color-gray-200);
}

.gen-comparison-header span {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-gray-500);
  text-align: left;
}

.gen-comparison-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  border-bottom: 1px solid var(--color-gray-200);
}

.gen-comparison-row:last-child {
  border-bottom: none;
}

.gen-comparison-row > span {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  text-align: left;
  color: var(--color-gray-600);
}

.gen-comparison-row > span:first-child {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-500);
}

.gen-comparison-row > span:nth-child(3) {
  font-weight: var(--font-weight-semibold);
  color: var(--color-black);
}

.gen-comparison-row:hover {
  background: var(--color-gray-50);
}

.gen-new-badge {
  display: inline-block;
  padding: 3px var(--space-2);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  background: var(--color-black);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  vertical-align: baseline;
  margin-left: var(--space-1);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  line-height: 1.2;
}

@media (max-width: 640px) {
  .gen-comparison-header,
  .gen-comparison-row {
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .gen-comparison-row span,
  .gen-comparison-header span {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }

  .gen-new-badge {
    font-size: 9px;
    padding: 1px 4px;
  }
}

/* --------------------------------------------------------------------------
   FAQ Section
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background var(--transition-fast);
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  flex-shrink: 0;
  font-size: var(--text-xl);
  font-weight: var(--font-weight-normal);
  color: var(--color-gray-400);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question::after {
  content: '−';
}

.faq-question:hover {
  background: var(--color-gray-50);
}

.faq-answer {
  padding: 0 var(--space-5) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

.faq-answer p + p {
  margin-top: var(--space-3);
}

/* --------------------------------------------------------------------------
   Storage Grid (reuse from iphone.css pattern)
   -------------------------------------------------------------------------- */
.storage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.storage-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
}

.storage-card--highlight {
  border-color: var(--color-black);
  box-shadow: 0 0 0 1px var(--color-black);
}

.storage-capacity {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
}

.storage-time {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.storage-time .time-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-mono);
}

.storage-time .time-unit {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.storage-note {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

/* --------------------------------------------------------------------------
   Format Comparison (reuse from iphone.css)
   -------------------------------------------------------------------------- */
.format-comparison {
  margin-top: var(--space-8);
}

.comparison-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-5);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .comparison-grid {
    grid-template-columns: 1fr;
  }
}

.comparison-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.comparison-card--pro {
  background: var(--color-black);
  color: var(--color-white);
  border: none;
}

.comparison-format {
  font-size: var(--text-base);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
}

.comparison-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.comparison-list li {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  padding-left: var(--space-4);
  position: relative;
}

.comparison-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-gray-400);
}

.comparison-card--pro .comparison-list li {
  color: var(--color-gray-300);
}

.comparison-card--pro .comparison-list li::before {
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   Spec Cards (reuse from iphone.css)
   -------------------------------------------------------------------------- */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.spec-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
}

.spec-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-mono);
  margin-bottom: var(--space-2);
}

.spec-label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-1);
}

.spec-note {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   Related Pages / Cross-links
   -------------------------------------------------------------------------- */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}

.related-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
}

.related-card:hover {
  border-color: var(--color-gray-400);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.related-card-text {
  flex: 1;
}

.related-card-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: 2px;
}

.related-card-title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
}

.related-card-arrow {
  flex-shrink: 0;
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.related-card:hover .related-card-arrow {
  transform: translateX(3px);
  color: var(--color-black);
}

/* --------------------------------------------------------------------------
   iOS Settings Mockup (iPhone)
   -------------------------------------------------------------------------- */
.iphone-frame {
  width: 390px;
  max-width: 100%;
  background: #1a1a1e;
  border-radius: 52px;
  padding: 14px;
  position: relative;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.1),
    0 8px 24px rgba(0, 0, 0, 0.08),
    0 24px 48px rgba(0, 0, 0, 0.06);
}

@media (max-width: 400px) {
  .iphone-frame { border-radius: 44px; }
  .iphone-screen { border-radius: 34px; }
}

.iphone-screen {
  background: #f2f2f7;
  border-radius: 40px;
  overflow: hidden;
  position: relative;
}

.iphone-screen--dark { background: #000; }

.iphone-di {
  width: 126px;
  height: 36px;
  background: #000;
  border-radius: 19px;
  position: absolute;
  top: 11px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.iphone-home-bar {
  width: 134px;
  height: 5px;
  background: #000;
  border-radius: 3px;
  margin: 16px auto 8px;
}

.iphone-home-bar--light { background: rgba(255, 255, 255, 0.5); }

.ios-statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px 0;
  height: 52px;
  position: relative;
  z-index: 5;
}

.ios-time {
  font-family: -apple-system, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: #000;
  letter-spacing: 0.01em;
}

.ios-status-icons {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #000;
}

.iphone-screen--dark .ios-time,
.iphone-screen--dark .ios-status-icons { color: #fff; }

.ios-battery { display: flex; align-items: center; gap: 1px; }

.ios-battery__body {
  width: 25px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 3px;
  padding: 1.5px;
}

.ios-battery__fill {
  width: 100%;
  height: 100%;
  background: currentColor;
  border-radius: 1px;
}

.ios-battery__cap {
  width: 2px;
  height: 5px;
  background: currentColor;
  border-radius: 0 1px 1px 0;
  opacity: 0.5;
}

.ios-navbar { padding: 8px 16px 12px; }

.ios-navbar__back {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--color-ios-blue);
  font-family: -apple-system, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  font-size: 17px;
  margin-bottom: 4px;
}

.ios-navbar__title {
  font-family: -apple-system, 'SF Pro Display', 'Helvetica Neue', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: #000;
  letter-spacing: -0.02em;
  display: block;
}

.iphone-screen--dark .ios-navbar__back { color: var(--color-ios-blue-dark); }
.iphone-screen--dark .ios-navbar__title { color: #fff; }

.ios-settings-body { padding: 0 0 20px; }

.ios-group { margin-bottom: 20px; }
.ios-group:last-child { margin-bottom: 0; }

.ios-group__label {
  font-family: -apple-system, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: #6d6d72;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 0 32px 6px;
}

.iphone-screen--dark .ios-group__label { color: #8e8e93; }

.ios-group__card {
  background: #fff;
  margin: 0 16px;
  border-radius: 10px;
  overflow: hidden;
}

.iphone-screen--dark .ios-group__card { background: #1c1c1e; }

.ios-group__footer {
  font-family: -apple-system, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  font-size: 12px;
  color: #6d6d72;
  padding: 6px 32px 0;
  line-height: 1.4;
}

.iphone-screen--dark .ios-group__footer { color: #8e8e93; }

.ios-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 16px;
  min-height: 44px;
  position: relative;
}

.ios-row + .ios-row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  right: 0;
  height: 0.5px;
  background: rgba(60, 60, 67, 0.36);
}

.iphone-screen--dark .ios-row + .ios-row::before {
  background: rgba(84, 84, 88, 0.65);
}

.ios-row__text {
  font-family: -apple-system, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  font-size: 15px;
  color: #000;
}

.iphone-screen--dark .ios-row__text { color: #fff; }

.ios-row__nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.ios-row__val {
  font-family: -apple-system, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  font-size: 15px;
  color: #8e8e93;
}

.ios-chevron {
  color: #c7c7cc;
  flex-shrink: 0;
}

.iphone-screen--dark .ios-chevron { color: #48484a; }

.ios-row__hint {
  font-family: -apple-system, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  font-size: 13px;
  color: #8e8e93;
  flex-shrink: 0;
}

.ios-switch {
  width: 51px;
  height: 31px;
  border-radius: 15.5px;
  background: #e9e9eb;
  position: relative;
  flex-shrink: 0;
}

.ios-switch--on { background: #34c759; }

.iphone-screen--dark .ios-switch { background: #39393d; }
.iphone-screen--dark .ios-switch--on { background: #30d158; }

.ios-switch__thumb {
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: #fff;
  position: absolute;
  top: 2px;
  left: 2px;
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.15),
    0 0 1px rgba(0, 0, 0, 0.1);
}

.ios-switch--on .ios-switch__thumb {
  left: auto;
  right: 2px;
}

/* --------------------------------------------------------------------------
   Android Settings Mockup (Samsung / Pixel)
   -------------------------------------------------------------------------- */
.android-frame {
  width: 390px;
  max-width: 100%;
  background: #1a1a1e;
  border-radius: 36px;
  padding: 10px;
  position: relative;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.1),
    0 8px 24px rgba(0, 0, 0, 0.08),
    0 24px 48px rgba(0, 0, 0, 0.06);
}

.android-screen {
  background: #f5f5f5;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
}

.android-screen--dark {
  background: #1c1c1e;
}

.android-camera-hole {
  width: 14px;
  height: 14px;
  background: #000;
  border-radius: 50%;
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.android-statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px 0;
  height: 44px;
  position: relative;
  z-index: 5;
  font-family: -apple-system, 'Roboto', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #000;
}

.android-screen--dark .android-statusbar {
  color: #fff;
}

.android-navbar {
  padding: 16px 20px 12px;
  font-family: -apple-system, 'Roboto', sans-serif;
}

.android-navbar__title {
  font-size: 22px;
  font-weight: 500;
  color: #000;
  display: block;
}

.android-screen--dark .android-navbar__title {
  color: #e0e0e0;
}

.android-settings-body {
  padding: 0 0 16px;
}

.android-group {
  margin-bottom: 16px;
}

.android-group:last-child {
  margin-bottom: 0;
}

.android-group__label {
  font-family: -apple-system, 'Roboto', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: #1a73e8;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 0 20px 6px;
}

.android-screen--dark .android-group__label {
  color: #8ab4f8;
}

.android-group__card {
  background: #fff;
  margin: 0 12px;
  border-radius: 12px;
  overflow: hidden;
}

.android-screen--dark .android-group__card {
  background: #2d2d2d;
}

.android-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  min-height: 48px;
  position: relative;
}

.android-row + .android-row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 0.5px;
  background: rgba(0, 0, 0, 0.08);
}

.android-screen--dark .android-row + .android-row::before {
  background: rgba(255, 255, 255, 0.08);
}

.android-row__text {
  font-family: -apple-system, 'Roboto', sans-serif;
  font-size: 15px;
  color: #000;
}

.android-screen--dark .android-row__text {
  color: #e0e0e0;
}

.android-row__val {
  font-family: -apple-system, 'Roboto', sans-serif;
  font-size: 14px;
  color: #666;
}

.android-screen--dark .android-row__val {
  color: #9e9e9e;
}

.android-home-bar {
  width: 120px;
  height: 4px;
  background: #000;
  border-radius: 2px;
  margin: 12px auto 6px;
  opacity: 0.3;
}

.android-screen--dark .android-home-bar {
  background: #fff;
}

/* --------------------------------------------------------------------------
   Settings Showcase Layout
   -------------------------------------------------------------------------- */
.settings-showcase {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 48px;
  margin: var(--space-8) 0;
}

.settings-showcase > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.settings-showcase-caption {
  text-align: center;
}

.settings-showcase-caption strong {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-black);
}

.settings-showcase-caption span {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

@media (max-width: 900px) {
  .settings-showcase {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
.lens-card,
.phone-scenario-card,
.feature-card,
.faq-item {
  animation: pgFadeInUp 0.5s ease-out forwards;
  opacity: 0;
}

@keyframes pgFadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lens-card:nth-child(1) { animation-delay: 50ms; }
.lens-card:nth-child(2) { animation-delay: 100ms; }
.lens-card:nth-child(3) { animation-delay: 150ms; }
.lens-card:nth-child(4) { animation-delay: 200ms; }

.phone-scenario-card:nth-child(1) { animation-delay: 0ms; }
.phone-scenario-card:nth-child(2) { animation-delay: 40ms; }
.phone-scenario-card:nth-child(3) { animation-delay: 80ms; }
.phone-scenario-card:nth-child(4) { animation-delay: 120ms; }
.phone-scenario-card:nth-child(5) { animation-delay: 160ms; }
.phone-scenario-card:nth-child(6) { animation-delay: 200ms; }

.feature-card:nth-child(1) { animation-delay: 50ms; }
.feature-card:nth-child(2) { animation-delay: 100ms; }
.feature-card:nth-child(3) { animation-delay: 150ms; }
.feature-card:nth-child(4) { animation-delay: 200ms; }

.faq-item:nth-child(1) { animation-delay: 0ms; }
.faq-item:nth-child(2) { animation-delay: 40ms; }
.faq-item:nth-child(3) { animation-delay: 80ms; }
.faq-item:nth-child(4) { animation-delay: 120ms; }
.faq-item:nth-child(5) { animation-delay: 160ms; }

/* --------------------------------------------------------------------------
   Night Vision Mode
   -------------------------------------------------------------------------- */
body.night-vision.phone-guide-page {
  background-color: var(--nv-bg);
}

/* Phone Selector in night vision */
body.night-vision .phone-selector-trigger {
  color: var(--nv-text-dim);
  border-color: var(--nv-border);
}

body.night-vision .phone-selector-trigger:hover,
body.night-vision .phone-selector.is-open .phone-selector-trigger {
  color: var(--nv-text);
  border-color: var(--nv-text-dim);
  background: var(--nv-bg-card);
}

body.night-vision .phone-selector-dropdown {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.4),
    0 12px 32px rgba(0, 0, 0, 0.3);
}

body.night-vision .phone-selector-group + .phone-selector-group {
  border-top-color: var(--nv-border-subtle);
}

body.night-vision .phone-selector-brand {
  color: var(--nv-text-dim);
}

body.night-vision .phone-selector-option {
  color: var(--nv-text-muted);
}

body.night-vision .phone-selector-option:hover {
  background: var(--nv-bg-elevated);
  color: var(--nv-text);
}

body.night-vision .phone-selector-option.active {
  background: var(--nv-text);
  color: var(--nv-bg);
}

/* Lens Cards */
body.night-vision .lens-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .lens-card--primary {
  border-color: var(--nv-text);
  box-shadow: 0 0 0 1px var(--nv-text);
}

body.night-vision .lens-card-icon {
  background: var(--nv-bg-elevated);
}

body.night-vision .lens-card-icon svg {
  stroke: var(--nv-text-muted);
}

body.night-vision .lens-card-name {
  color: var(--nv-text);
}

body.night-vision .lens-card-focal {
  color: var(--nv-text);
}

body.night-vision .lens-card-aperture {
  color: var(--nv-text-dim);
}

body.night-vision .lens-card-detail {
  color: var(--nv-text-dim);
}

/* Scenario Cards */
body.night-vision .phone-scenario-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .phone-scenario-header {
  background: #200000;
}

body.night-vision .phone-scenario-row {
  border-bottom-color: var(--nv-border-subtle);
}

body.night-vision .phone-scenario-row span:first-child {
  color: var(--nv-text-dim);
}

body.night-vision .phone-scenario-row span:last-child {
  color: var(--nv-text);
}

body.night-vision .phone-scenario-cta {
  color: var(--nv-text-dim);
  border-top-color: var(--nv-border);
}

body.night-vision .phone-scenario-card:hover .phone-scenario-cta {
  color: var(--nv-text);
}

/* Video Matrix */
body.night-vision .video-matrix-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .video-matrix-card--highlight {
  border-color: var(--nv-text);
  box-shadow: 0 0 0 1px var(--nv-text);
}

body.night-vision .video-matrix-res {
  color: var(--nv-text);
}

body.night-vision .video-matrix-fps {
  color: var(--nv-text-dim);
}

body.night-vision .video-matrix-codec {
  color: var(--nv-text-dim);
}

/* Feature Cards */
body.night-vision .feature-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .feature-card-icon {
  background: var(--nv-bg-elevated);
}

body.night-vision .feature-card-icon svg {
  stroke: var(--nv-text);
}

body.night-vision .feature-card-title {
  color: var(--nv-text);
}

body.night-vision .feature-card-desc {
  color: var(--nv-text-muted);
}

body.night-vision .feature-card-tag {
  background: var(--nv-bg-elevated);
  color: var(--nv-text-dim);
}

body.night-vision .feature-card-tag--new {
  background: var(--nv-text);
  color: var(--nv-bg);
}

/* Generation Comparison */
body.night-vision .gen-comparison {
  border-color: var(--nv-border);
}

body.night-vision .gen-comparison-header {
  background: var(--nv-bg-elevated);
  border-bottom-color: var(--nv-border);
}

body.night-vision .gen-comparison-header span {
  color: var(--nv-text-dim);
}

body.night-vision .gen-comparison-row {
  border-bottom-color: var(--nv-border-subtle);
}

body.night-vision .gen-comparison-row:hover {
  background: var(--nv-bg-card);
}

body.night-vision .gen-comparison-row span {
  color: var(--nv-text-muted);
}

body.night-vision .gen-comparison-row span:first-child {
  color: var(--nv-text-dim);
}

body.night-vision .gen-comparison-row span:nth-child(3) {
  color: var(--nv-text);
}

body.night-vision .gen-new-badge {
  background: var(--nv-bg-elevated);
  color: var(--nv-text-dim);
}

/* FAQ */
body.night-vision .faq-item {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .faq-question {
  color: var(--nv-text);
}

body.night-vision .faq-question::after {
  color: var(--nv-text-dim);
}

body.night-vision .faq-question:hover {
  background: var(--nv-bg-elevated);
}

body.night-vision .faq-answer {
  color: var(--nv-text-muted);
}

/* Storage Cards */
body.night-vision .storage-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .storage-card--highlight {
  border-color: var(--nv-text);
  box-shadow: 0 0 0 1px var(--nv-text);
}

body.night-vision .storage-capacity {
  color: var(--nv-text-dim);
}

body.night-vision .storage-time .time-value {
  color: var(--nv-text);
}

body.night-vision .storage-time .time-unit {
  color: var(--nv-text-dim);
}

body.night-vision .storage-note {
  color: var(--nv-text-dim);
}

/* Spec Cards */
body.night-vision .spec-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .spec-value {
  color: var(--nv-text);
}

body.night-vision .spec-label {
  color: var(--nv-text);
}

body.night-vision .spec-note {
  color: var(--nv-text-dim);
}

/* Format Comparison */
body.night-vision .comparison-title {
  color: var(--nv-text);
}

body.night-vision .comparison-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .comparison-card--pro {
  background: #200000;
  border: 1px solid var(--nv-border);
}

body.night-vision .comparison-format {
  color: var(--nv-text);
}

body.night-vision .comparison-list li {
  color: var(--nv-text-muted);
}

body.night-vision .comparison-list li::before {
  color: var(--nv-text-dim);
}

/* Related Cards */
body.night-vision .related-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .related-card:hover {
  border-color: var(--nv-text-dim);
}

body.night-vision .related-card-label {
  color: var(--nv-text-dim);
}

body.night-vision .related-card-title {
  color: var(--nv-text);
}

body.night-vision .related-card-arrow {
  color: var(--nv-text-dim);
}

body.night-vision .related-card:hover .related-card-arrow {
  color: var(--nv-text);
}

/* iOS Mockup */
body.night-vision .iphone-frame {
  background: #0a0000;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.3),
    0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Android Mockup */
body.night-vision .android-frame {
  background: #0a0000;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.3),
    0 8px 24px rgba(0, 0, 0, 0.2);
}

body.night-vision .settings-showcase-caption strong {
  color: var(--nv-text);
}

body.night-vision .settings-showcase-caption span {
  color: var(--nv-text-dim);
}