:root {
  --pho-bg: #f8fafc;
  --pho-surface: #ffffff;
  --pho-card: #ffffff;
  --pho-border: #e2e8f0;
  --pho-border-focus: #2563eb;
  --pho-blue: #2563eb;
  --pho-blue-hover: #1d4ed8;
  --pho-green: #10b981;
  --pho-text: #0f172a;
  --pho-muted: #64748b;
  --pho-radius: 8px;
}

body {
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

.pho-container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

.pho-header {
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--pho-border);
  background: #ffffff;
}

.pho-breadcrumbs {
  font-size: 0.875rem;
  color: var(--pho-muted);
  margin-bottom: 12px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.pho-breadcrumbs a {
  color: var(--pho-blue);
  text-decoration: none;
  font-weight: 600;
}

.pho-breadcrumbs a:hover {
  text-decoration: underline;
}

.pho-title {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--pho-text);
  letter-spacing: -0.025em;
}

.pho-subtitle {
  font-size: 1.0625rem;
  color: var(--pho-muted);
  margin: 0;
}

.pho-main {
  padding: 32px 0 60px;
}

/* Presets */
.pho-presets-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.pho-preset-lbl {
  font-size: 0.8125rem;
  color: var(--pho-muted);
  font-weight: 700;
  text-transform: uppercase;
}

.pho-chip {
  background: #ffffff;
  color: var(--pho-muted);
  border: 1px solid #cbd5e1;
  border-radius: 16px;
  padding: 5px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pho-chip:hover {
  border-color: var(--pho-blue);
  color: var(--pho-blue);
}

.pho-chip.active {
  background: var(--pho-blue);
  color: #ffffff;
  border-color: var(--pho-blue);
}

/* Selector Card */
.pho-card {
  background: var(--pho-card);
  border: 1px solid var(--pho-border);
  border-radius: var(--pho-radius);
  padding: 24px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
  margin-bottom: 28px;
}

.pho-select-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
}

@media (max-width: 720px) {
  .pho-select-grid {
    grid-template-columns: 1fr;
  }
}

.pho-select-col {
  display: flex;
  flex-direction: column;
}

.pho-lbl {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--pho-text);
  margin-bottom: 6px;
}

.pho-select {
  width: 100%;
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  color: var(--pho-text);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  box-sizing: border-box;
}

.pho-vs-badge {
  background: #f1f5f9;
  color: var(--pho-muted);
  font-weight: 800;
  font-size: 0.875rem;
  padding: 8px 14px;
  border-radius: 20px;
  text-align: center;
  border: 1px solid var(--pho-border);
  margin-top: 18px;
}

.pho-action-row {
  margin-top: 20px;
  display: flex;
  justify-content: center;
}

.pho-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--pho-blue);
  color: #ffffff;
  border: none;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

.pho-btn-primary:hover {
  background: var(--pho-blue-hover);
}

/* Comparison Matrix */
.pho-matrix-card {
  background: #ffffff;
  border: 1px solid var(--pho-border);
  border-radius: var(--pho-radius);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
  overflow: hidden;
  margin-bottom: 32px;
}

.pho-device-headers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #f8fafc;
  border-bottom: 1.5px solid var(--pho-border);
}

.pho-dev-header-box {
  padding: 24px;
  text-align: center;
}

.pho-dev-header-box:first-child {
  border-right: 1px solid var(--pho-border);
}

.pho-dev-name {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--pho-text);
  margin: 0 0 6px;
}

.pho-dev-price {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--pho-blue);
  margin-bottom: 4px;
}

.pho-dev-os {
  display: block;
  font-size: 0.75rem;
  color: var(--pho-muted);
  font-weight: 500;
}

/* Specs Table */
.pho-category-header {
  background: #f1f5f9;
  padding: 10px 20px;
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--pho-text);
  letter-spacing: 0.05em;
  border-top: 1px solid var(--pho-border);
  border-bottom: 1px solid var(--pho-border);
}

.pho-specs-table {
  border: 1px solid var(--pho-border);
  border-radius: 8px;
  overflow: hidden;
}

.pho-spec-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid #f1f5f9;
}

.pho-spec-col {
  padding: 14px 20px;
  font-size: 0.875rem;
}

.pho-spec-col:first-child {
  border-right: 1px solid #f1f5f9;
}

.pho-spec-lbl {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  color: var(--pho-muted);
  font-weight: 700;
  margin-bottom: 2px;
}

.pho-spec-val {
  color: var(--pho-text);
  font-weight: 600;
}

.pho-winner-tag {
  display: inline-block;
  background: #dcfce7;
  color: #15803d;
  font-size: 0.6875rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

/* Ad slots */
.pho-ad-container {
  width: 100%;
  margin: 36px 0;
  display: flex;
  justify-content: center;
}

.pho-ad-box {
  width: 100%;
  max-width: 728px;
  min-height: 280px;
  background: #ffffff;
  border: 1px dashed var(--pho-border);
  border-radius: var(--pho-radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Content */
.pho-content-section {
  margin-top: 48px;
}

.pho-content-section h2 {
  font-size: 1.5rem;
  color: var(--pho-text);
  margin-bottom: 16px;
}

.pho-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 28px 0;
}

.pho-feature-card {
  background: #ffffff;
  border: 1px solid var(--pho-border);
  border-radius: var(--pho-radius);
  padding: 20px;
}

.pho-feature-card h3 {
  font-size: 1.125rem;
  margin: 0 0 8px;
  color: var(--pho-blue);
}

.pho-feature-card p {
  font-size: 0.875rem;
  color: var(--pho-muted);
  margin: 0;
}

.pho-footer {
  background: #ffffff;
  border-top: 1px solid var(--pho-border);
  padding: 28px 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--pho-muted);
}

.pho-footer a {
  color: var(--pho-blue);
  text-decoration: none;
  font-weight: 600;
}

.pho-consent-inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.pho-consent-text {
  font-size: 0.875rem;
  color: #cbd5e1;
  margin: 0;
}

.pho-consent-actions {
  display: flex;
  gap: 8px;
}

.pho-btn-consent-yes {
  background: var(--pho-blue);
  color: #ffffff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}

.pho-btn-consent-no {
  background: transparent;
  color: #94a3b8;
  border: 1px solid #475569;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
}

/* tf:dark-palette — generated by migrate_chrome.py */
/* Neutrals inherit the shared chrome tokens so all tools share one
   ground; brand hues are kept and lightened, never inverted. */
[data-theme="dark"] {
  --pho-bg: var(--tf-surface);
  --pho-surface: var(--tf-surface);
  --pho-card: var(--tf-surface);
  --pho-border: var(--tf-surface);
  --pho-border-focus: #819dda;
  --pho-blue: #819dda;
  --pho-blue-hover: #8198da;
  --pho-green: #81dabd;
  --pho-text: var(--tf-ink);
  --pho-muted: var(--tf-ink-faint);
}