/* ── Google Ads page ──────────────────────────────────────── */
.ga-page {
  padding-top: 56px;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Hero */
.ga-hero {
  position: relative;
  padding: 48px 0 40px;
  text-align: center;
}

.ga-back {
  position: absolute;
  left: 40px;
  top: 104px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-mid);
  transition: color 0.15s;
  z-index: 10;
}

.ga-back:hover { color: var(--text); }

.ga-hero h1 {
  font-size: clamp(24px, 4vw, 32px);
  margin-bottom: 12px;
}

.ga-subtitle {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-mid);
  max-width: 600px;
  margin: 0 auto;
}

/* Explainer cards */
.ga-explainer {
  padding-bottom: 48px;
}

.ga-explainer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.ga-explainer-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ga-explainer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ga-explainer-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ga-explainer-num {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}

.ga-explainer-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-dim);
  padding: 4px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s, transform 0.2s;
}

.ga-explainer-toggle:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.ga-explainer-card.expanded .ga-explainer-toggle {
  transform: rotate(90deg);
}

.ga-explainer-card h3 {
  font-size: 14px;
  font-weight: 650;
  color: var(--text);
}

.ga-explainer-short {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-mid);
}

.ga-explainer-full {
  display: none;
}

.ga-explainer-card.expanded .ga-explainer-full {
  display: block;
}

.ga-explainer-card.expanded .ga-explainer-short {
  display: none;
}

.ga-explainer-full p {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-mid);
  margin-bottom: 6px;
}

.ga-explainer-full p:last-child {
  margin-bottom: 0;
}

/* Bar chart */
.ga-chart-section {
  padding-bottom: 56px;
}

.ga-chart-section h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.ga-chart-lead {
  font-size: 13px;
  color: var(--text-mid);
  margin-bottom: 28px;
}

.ga-chart {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ga-bar-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ga-bar-label {
  width: 130px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.ga-bar-model {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.ga-bar-vendor {
  font-size: 11px;
  color: var(--text-dim);
}

.ga-bar-track {
  flex: 1;
  height: 28px;
  background: #f0f0f3;
  border-radius: 6px;
  overflow: hidden;
}

.ga-bar-fill {
  height: 100%;
  border-radius: 6px;
  background: var(--accent);
  transition: width 0.8s ease-out;
}

.ga-bar-opus { background: #f59e0b; }
.ga-bar-gpt { background: #10b981; }
.ga-bar-gemini { background: #3b82f6; }
.ga-bar-grok { background: #8b5cf6; }

.ga-bar-value {
  width: 50px;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-align: right;
}

.ga-bar-value.pending {
  font-weight: 500;
  font-size: 12px;
  color: var(--text-dim);
}

/* Results analysis */
.ga-results-analysis {
  margin-top: 28px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
}

.ga-results-analysis p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-mid);
}

.ga-chart-metric-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 28px;
  margin-bottom: 12px;
}

/* Per-level charts */
.ga-level-charts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 32px;
}

.ga-level-chart {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ga-level-chart h3 {
  font-size: 14px;
  font-weight: 650;
  color: var(--text);
  letter-spacing: -0.01em;
}

.ga-level-chart h3 span {
  font-weight: 400;
  color: var(--text-dim);
  font-size: 12px;
  margin-left: 4px;
}

.ga-level-chart .ga-bar-row {
  gap: 10px;
}

.ga-level-chart .ga-bar-label {
  width: 80px;
}

.ga-level-chart .ga-bar-track {
  height: 20px;
}

.ga-level-chart .ga-bar-value {
  width: 44px;
  font-size: 13px;
}

/* Task sections */
.ga-tasks {
  padding-bottom: 100px;
}

.ga-level-group {
  margin-bottom: 48px;
}

.ga-level-header {
  margin-bottom: 20px;
}

.ga-level-badge {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 5px;
  font-weight: 700;
  margin-bottom: 8px;
}

.ga-level-header h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.ga-level-header p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.5;
}

.ga-task-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Individual task */
.ga-task {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}

.ga-task:hover {
  border-color: #d0d0d8;
}

.ga-task-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
}

.ga-task-header:hover {
  background: rgba(0, 0, 0, 0.01);
}

.ga-task-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ga-task-info h3 {
  font-size: 15px;
  font-weight: 650;
  color: var(--text);
  letter-spacing: -0.01em;
}

.ga-task-score {
  font-size: 12px;
  color: var(--text-mid);
}

.ga-task-score strong {
  color: var(--text);
}

.ga-task-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-dim);
  padding: 4px;
  border-radius: 6px;
  transition: background 0.15s, transform 0.2s;
}

.ga-task-toggle:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.ga-task.open .ga-task-toggle {
  transform: rotate(180deg);
}

/* Steps (hidden by default) */
.ga-task-steps {
  display: none;
  padding: 0 20px 20px;
  border-top: 1px solid var(--border);
}

.ga-task.open .ga-task-steps {
  display: block;
}

.ga-task-source {
  font-size: 11px;
  color: var(--text-dim);
  padding: 14px 0 6px;
  line-height: 1.5;
}

.ga-task-source a {
  color: var(--accent);
  text-decoration: none;
}

.ga-task-source a:hover {
  text-decoration: underline;
}

/* Task description */
.ga-task-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-mid);
  padding: 14px 0 8px;
}

/* Model selector */
.ga-model-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  padding-bottom: 8px;
}

.ga-model-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-mid);
  cursor: pointer;
  transition: all 0.15s;
}

.ga-model-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ga-model-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.ga-model-pill.untested {
  opacity: 0.45;
}

/* Step pass/fail indicators */
.ga-step-id.pass {
  background: #dcfce7;
  color: #16a34a;
}

.ga-step-id.fail {
  background: #fee2e2;
  color: #dc2626;
}

.ga-step-status {
  flex-shrink: 0;
  font-size: 15px;
  font-weight: 700;
  width: 24px;
  text-align: center;
  margin-top: 2px;
}

.ga-step-status.pass { color: #16a34a; }
.ga-step-status.fail { color: #dc2626; }
.ga-step-status.untested { color: var(--text-dim); }

.ga-step-phase {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  padding: 16px 0 8px;
}

.ga-step-phase:first-child {
  padding-top: 16px;
}

.ga-step {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #f4f4f5;
}

.ga-step:last-child {
  border-bottom: none;
}

.ga-step-id {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  border-radius: 7px;
  background: #f4f4f5;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-mid);
  margin-top: 1px;
}

.ga-step-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ga-step-body strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.ga-step-body p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-mid);
}

.ga-step-pts {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .ga-explainer-grid { grid-template-columns: 1fr; }
  .ga-level-charts { grid-template-columns: 1fr; }
  .ga-bar-label { width: 90px; }
  .ga-bar-value { width: 40px; font-size: 12px; }
}