/* ========== LEARN TOOLS (quiz, payment-split, minimum-cost only) ========== */

html:has(body.tool-page),
body.tool-page {
  overflow-x: hidden;
  max-width: 100%;
}

.tool-section {
  overflow-x: hidden;
  max-width: 100%;
}

.tool-section .container,
.tool-layout,
.tool-viz,
.tool-panel,
.tool-chart {
  min-width: 0;
  max-width: 100%;
}

.tool-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--t-color);
}

.tool-back-link:hover {
  color: var(--accent-primary);
}

.tool-section {
  padding: 0 0 80px;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

@media (min-width: 1024px) {
  .tool-layout {
    grid-template-columns: minmax(280px, 320px) 1fr;
    gap: 32px;
  }
}

.tool-panel {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.tool-panel--sticky {
  position: sticky;
  top: 96px;
}

.tool-ctrl {
  margin-bottom: 28px;
}
.tool-ctrl:last-child {
  margin-bottom: 0;
}

.tool-ctrl-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.tool-ctrl-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.tool-ctrl-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-primary);
  font-variant-numeric: tabular-nums;
}

.tool-ctrl-help {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.45;
}

.tool-ctrl-range {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
}

.tool-slider {
  width: 100%;
  height: 28px;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

.tool-slider::-webkit-slider-runnable-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
}

.tool-slider::-moz-range-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
}

.tool-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  margin-top: -8px;
  border-radius: 50%;
  border: none;
  background: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(151, 165, 252, 0.2);
  transition: transform 150ms ease;
}

.tool-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: none;
  background: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(151, 165, 252, 0.2);
}

.tool-slider:active::-webkit-slider-thumb {
  transform: scale(1.12);
}

/* Compare cards (minimum cost) */
.tool-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .tool-compare {
    grid-template-columns: 1fr 1fr;
  }
}

.tool-compare-card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.tool-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.tool-tag--good {
  background: rgba(72, 212, 64, 0.12);
  color: var(--status-success);
}

.tool-tag--bad {
  background: rgba(223, 63, 63, 0.12);
  color: var(--status-danger);
}

.tool-metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.tool-metric:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.tool-metric-label {
  font-size: 13px;
  color: var(--text-muted);
}

.tool-metric-value {
  font-size: 17px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.tool-metric-value--lg {
  font-size: 22px;
  font-weight: 700;
}

.tool-metric-value--good {
  color: var(--status-success);
}

.tool-metric-value--bad {
  color: var(--status-danger);
}

/* Stats row (payment split) */
.tool-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .tool-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tool-stat {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.tool-stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.tool-stat-value {
  font-size: 26px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.tool-stat-value--accent {
  background: linear-gradient(135deg, #97a5fc 0%, #1d15f4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Chart panel */
.tool-chart {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.tool-chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.tool-chart-title {
  font-size: 17px;
  font-weight: 600;
}

.tool-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--text-secondary);
}

.tool-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tool-legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  flex-shrink: 0;
}

.tool-legend-swatch--line {
  width: 16px;
  height: 3px;
  border-radius: 2px;
}

.tool-legend-swatch--interest {
  background: var(--accent-primary);
}

.tool-legend-swatch--principal {
  background: var(--accent-strong);
}

.tool-legend-swatch--fixed {
  background: var(--status-success);
}

.tool-legend-swatch--min {
  background: var(--status-danger);
}

.tool-chart-canvas {
  position: relative;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 260px;
  overflow: hidden;
}

.tool-chart-canvas svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: hidden;
  max-width: 100%;
}

.tool-chart-axis {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 10px;
}

.tool-insight {
  margin-top: 20px;
  padding: 18px 20px;
  background: var(--accent-soft);
  border: 1px solid rgba(151, 165, 252, 0.15);
  border-radius: var(--radius-md);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
}

.tool-insight strong {
  color: var(--accent-primary);
  font-weight: 600;
}

.tool-insight .is-danger {
  color: var(--status-danger);
  font-weight: 600;
}

.tool-disclaimer-wrap {
  padding: 0 0 64px;
}

.tool-disclaimer {
  max-width: 880px;
  padding-top: 28px;
  border-top: 1px solid var(--border-default);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ========== QUIZ ========== */
.tool-quiz-main .page-hero--compact {
  padding-bottom: 40px;
}

.tool-quiz-wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 0 80px;
}

.tool-quiz-progress {
  margin-bottom: 40px;
}

.tool-quiz-progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.tool-quiz-progress-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.tool-quiz-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(135deg, #97a5fc 0%, #1d15f4 100%);
  border-radius: var(--radius-pill);
  transition: width 400ms ease-out;
}

.tool-quiz-intro {
  text-align: center;
  padding: 8px 0 24px;
}

.tool-quiz-intro-meta {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 32px 0 40px;
  flex-wrap: wrap;
}

.tool-quiz-intro-stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-primary);
}

.tool-quiz-intro-stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

.tool-quiz-question {
  display: none;
}

.tool-quiz-question.is-active {
  display: block;
}

.tool-quiz-q-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.12;
  margin-bottom: 32px;
}

.tool-quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 36px;
}

.tool-quiz-option {
  width: 100%;
  text-align: left;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.45;
  color: var(--text-primary);
  background: var(--surface-card);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  cursor: pointer;
  transition: background var(--t-color), border-color var(--t-color), transform var(--t-transform);
}

.tool-quiz-option:hover {
  background: var(--surface-hover);
  border-color: rgba(151, 165, 252, 0.45);
}

.tool-quiz-option.is-selected {
  background: var(--accent-soft);
  border-color: var(--accent-primary);
}

.tool-quiz-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.tool-quiz-result {
  display: none;
}

.tool-quiz-result.is-active {
  display: block;
}

.tool-quiz-result-title {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #97a5fc 0%, #1d15f4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tool-quiz-result-sub {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.55;
}

.tool-quiz-traits {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.tool-quiz-traits-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.tool-quiz-trait {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.tool-quiz-trait:last-child {
  margin-bottom: 0;
}

.tool-quiz-trait-icon {
  flex-shrink: 0;
  margin-top: 2px;
  line-height: 1;
  display: flex;
  align-items: center;
}

.tool-quiz-confidence {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.tool-quiz-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.tool-quiz-hidden {
  display: none !important;
}

.tool-quiz-footnote {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border-default);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

.tool-viz {
  min-width: 0;
}

@media (max-width: 1023px) {
  .tool-page .page-hero-blob {
    display: none;
  }
  .tool-panel--sticky {
    position: static;
  }
}

@media (max-width: 767px) {
  .page-main .page-hero--compact .t-h1 {
    font-size: 30px;
    line-height: 1.12;
  }
  .page-main .page-hero-lead {
    font-size: 16px;
    margin-top: 14px;
  }
  .tool-quiz-main .page-hero--compact {
    padding: 56px 0 28px;
  }
  .tool-quiz-main .page-hero--compact .t-h1 {
    font-size: 30px;
    line-height: 1.12;
  }
  .tool-quiz-main .page-hero-lead {
    font-size: 16px;
    margin-top: 14px;
  }
  .tool-quiz-main.is-quiz-active .page-hero--compact {
    padding: 56px 0 12px;
  }
  .tool-quiz-main.is-quiz-active .page-hero--compact .page-hero-eyebrow,
  .tool-quiz-main.is-quiz-active .page-hero--compact .t-h1,
  .tool-quiz-main.is-quiz-active .page-hero--compact .page-hero-lead {
    display: none;
  }
  .tool-quiz-main.is-quiz-active .tool-back-link {
    margin-bottom: 0;
  }
  .tool-back-link { margin-bottom: 16px; }
  .tool-section { padding-bottom: 56px; }
  .tool-panel { padding: 22px 18px; }
  .tool-ctrl-value { font-size: 20px; }
  .tool-compare {
    grid-template-columns: 1fr;
  }
  .tool-stats {
    grid-template-columns: 1fr;
  }
  .tool-chart {
    padding: 20px 16px;
  }
  .tool-chart-canvas {
    aspect-ratio: 4 / 3;
    min-height: 200px;
  }
  .tool-quiz-wrap {
    padding-bottom: 0;
    max-width: 100%;
  }
  .tool-quiz-main.is-quiz-active .page-main {
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
    padding-bottom: 0;
  }
  .tool-quiz-main.is-quiz-active .tool-quiz-wrap {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    padding-left: 0;
    padding-right: 0;
  }
  .tool-quiz-main.is-quiz-active .page-hero--compact .container {
    padding-bottom: 8px;
  }
  .tool-quiz-main.is-quiz-active #quizWrap:not(.tool-quiz-hidden) {
    display: flex !important;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    padding: 0 20px;
  }
  .tool-quiz-main.is-quiz-active #questionsContainer {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
  }
  .tool-quiz-progress {
    margin-bottom: 16px;
    flex-shrink: 0;
    padding: 0;
    background: none;
    position: static;
  }
  .tool-quiz-progress-meta {
    font-size: 10px;
    margin-bottom: 6px;
    letter-spacing: 0.04em;
  }
  .tool-quiz-progress-bar {
    height: 3px;
  }
  .tool-quiz-q-title {
    font-size: 20px;
    line-height: 1.25;
    margin-bottom: 16px;
  }
  .tool-quiz-options {
    gap: 8px;
    margin-bottom: 16px;
  }
  .tool-quiz-option {
    padding: 12px 14px;
    font-size: 14px;
    line-height: 1.35;
    border-radius: var(--radius-md);
  }
  .tool-quiz-question.is-active .tool-quiz-actions {
    flex-shrink: 0;
    position: sticky;
    bottom: 0;
    margin: 0;
    padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(180deg, transparent 0%, var(--bg-base) 28%);
    border-top: 1px solid var(--border-default);
  }
  .tool-quiz-actions .btn-primary {
    height: 48px;
    font-size: 15px;
  }
  .tool-quiz-intro {
    padding: 0 0 32px;
  }
  .tool-quiz-intro-meta {
    gap: 20px;
    margin: 20px 0 28px;
  }
  .tool-quiz-intro-stat-num {
    font-size: 24px;
  }
  .tool-quiz-intro .btn {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }
  .tool-quiz-result-title {
    font-size: 32px;
  }
  .tool-quiz-result-sub {
    font-size: 16px;
  }
  .tool-quiz-actions {
    flex-direction: column-reverse;
    align-items: stretch;
  }
  .tool-quiz-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .tool-quiz-result-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .tool-quiz-result-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Tool pages: docked burger on body (outside header scroll context) */
@media (max-width: 1023px) {
  body > .menu-toggle {
    display: inline-flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: fixed !important;
    top: 12px !important;
    right: max(16px, env(safe-area-inset-right, 16px)) !important;
    left: auto !important;
    z-index: 250 !important;
    pointer-events: auto !important;
  }
}