/* ToolHub · Guías VR visuales v17.2 */
.guide-page {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 80px;
}

.guide-progress {
  position: fixed;
  z-index: 49;
  top: 75px;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
}

.guide-progress > span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--purple));
  transition: width .08s linear;
}

.guide-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: .86rem;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.guide-breadcrumb a:hover { color: var(--green); }

.guide-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: end;
  padding: 38px;
  border: 1px solid rgba(56,217,150,.28);
  border-radius: 24px;
  background:
    radial-gradient(circle at 95% 15%, rgba(51,148,255,.18), transparent 30%),
    radial-gradient(circle at 72% 90%, rgba(155,104,255,.14), transparent 32%),
    var(--panel);
  box-shadow: var(--shadow);
}

.guide-hero h1 {
  margin: 8px 0 14px;
  font-size: clamp(2.3rem, 6vw, 4.6rem);
  line-height: .98;
  letter-spacing: -.045em;
}

.guide-hero p {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 1.03rem;
}

.hero-tags,
.quick-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.hero-tag,
.quick-pill {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(7,11,18,.4);
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
}

.hero-side {
  min-width: 190px;
  display: grid;
  gap: 10px;
}

.hero-stat {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(7,11,18,.45);
}

.hero-stat strong {
  display: block;
  color: var(--green);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 4px;
}

.hero-stat span {
  color: var(--text);
  font-size: .9rem;
}

.guide-shell {
  display: grid;
  grid-template-columns: 245px minmax(0, 1fr);
  gap: 28px;
  margin-top: 28px;
  align-items: start;
}

.guide-toc {
  position: sticky;
  top: 104px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
}

.guide-toc-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: .8rem;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.guide-toc a {
  display: block;
  padding: 9px 10px;
  margin: 2px 0;
  border-radius: 9px;
  color: var(--muted);
  font-size: .86rem;
  transition: .18s ease;
}

.guide-toc a:hover,
.guide-toc a.active {
  color: var(--text);
  background: var(--green-soft);
}

.guide-main {
  min-width: 0;
}

.guide-section {
  scroll-margin-top: 110px;
  margin-bottom: 26px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
}

.guide-section h2 {
  margin: 0 0 8px;
  font-size: 1.55rem;
}

.guide-section > p,
.section-intro {
  color: var(--muted);
  line-height: 1.7;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.summary-grid,
.choice-grid,
.compare-grid,
.setting-grid,
.source-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
  margin-top: 18px;
}

.summary-card,
.compare-card,
.setting-card,
.source-card {
  padding: 17px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(7,11,18,.28);
}

.summary-card .icon,
.compare-card .icon,
.setting-card .icon {
  font-size: 1.4rem;
  margin-bottom: 9px;
}

.summary-card strong,
.compare-card h3,
.setting-card h3,
.source-card strong {
  display: block;
  margin: 0 0 7px;
  color: var(--text);
}

.summary-card p,
.compare-card p,
.setting-card p,
.source-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: .88rem;
}

.compare-meta {
  display: grid;
  gap: 7px;
  margin-top: 14px;
}

.compare-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: .78rem;
}

.compare-row b { color: var(--text); }

.notice {
  margin-top: 16px;
  padding: 15px 17px;
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.notice strong { color: var(--text); }
.notice.green { border-left-color: var(--green); background: var(--green-soft); }
.notice.blue { border-left-color: var(--blue); background: var(--blue-soft); }
.notice.purple { border-left-color: var(--purple); background: var(--purple-soft); }
.notice.warn { border-left-color: #ffb84d; background: rgba(255,184,77,.08); }
.notice.danger { border-left-color: #ff6677; background: rgba(255,102,119,.07); }

.steps {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 13px;
  align-items: start;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: rgba(7,11,18,.25);
}

.step-num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 900;
}

.step h3 { margin: 2px 0 5px; font-size: 1rem; }
.step p { margin: 0; color: var(--muted); line-height: 1.55; font-size: .88rem; }

.choice-grid {
  grid-template-columns: repeat(4, minmax(0,1fr));
}

.choice-button,
.tracker-choice {
  padding: 12px 10px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: rgba(7,11,18,.28);
  color: var(--muted);
  cursor: pointer;
  transition: .18s ease;
}

.choice-button:hover,
.choice-button.active,
.tracker-choice:hover,
.tracker-choice.active {
  color: var(--text);
  border-color: rgba(56,217,150,.58);
  background: var(--green-soft);
}

.choice-result {
  margin-top: 14px;
  padding: 18px;
  border: 1px solid rgba(56,217,150,.28);
  border-radius: 14px;
  background: linear-gradient(145deg, var(--green-soft), rgba(51,148,255,.05));
}

.choice-result strong {
  display: block;
  color: var(--green);
  margin-bottom: 6px;
}

.choice-result p { margin: 0; color: var(--muted); line-height: 1.6; }

.accordion-list {
  display: grid;
  gap: 9px;
  margin-top: 16px;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(7,11,18,.24);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  font-weight: 750;
}

.accordion-trigger span:last-child {
  color: var(--green);
  font-size: 1.2rem;
  transition: transform .2s ease;
}

.accordion-item.open .accordion-trigger span:last-child { transform: rotate(45deg); }

.accordion-panel {
  display: none;
  padding: 0 16px 16px;
  color: var(--muted);
  line-height: 1.65;
  font-size: .9rem;
}

.accordion-item.open .accordion-panel { display: block; }

.accordion-panel ul {
  padding-left: 18px;
  margin-bottom: 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 18px;
  font-size: .86rem;
}

.data-table th,
.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--text);
  background: rgba(7,11,18,.3);
}

.data-table td { color: var(--muted); }

.flow-map {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 18px;
}

.flow-node {
  flex: 1 1 135px;
  min-height: 72px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(7,11,18,.3);
  font-size: .86rem;
  font-weight: 750;
}

.flow-arrow {
  color: var(--green);
  font-weight: 900;
}

.source-card {
  display: block;
  transition: .18s ease;
}

.source-card:hover {
  border-color: rgba(51,148,255,.55);
  transform: translateY(-2px);
}

.source-card small {
  color: var(--blue);
  font-weight: 800;
}

.guide-footer-note {
  margin-top: 28px;
  color: var(--muted);
  text-align: center;
  font-size: .82rem;
  line-height: 1.6;
}

.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-strong);
  color: var(--green);
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: .2s ease;
}

.back-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

/* FBT body visual */
.fbt-layout {
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(0, 1.25fr);
  gap: 18px;
  margin-top: 18px;
}

.body-stage {
  position: relative;
  min-height: 470px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 35%, rgba(51,148,255,.11), transparent 38%),
    rgba(7,11,18,.28);
  overflow: hidden;
}

.body-figure {
  position: absolute;
  left: 50%;
  top: 32px;
  width: 180px;
  height: 405px;
  transform: translateX(-50%);
}

.body-head {
  position: absolute;
  left: 68px;
  top: 0;
  width: 46px;
  height: 52px;
  border: 3px solid rgba(237,244,255,.5);
  border-radius: 50%;
}

.body-torso {
  position: absolute;
  left: 80px;
  top: 54px;
  width: 20px;
  height: 150px;
  border-radius: 12px;
  background: rgba(237,244,255,.28);
}

.body-arm,
.body-leg {
  position: absolute;
  width: 14px;
  border-radius: 10px;
  background: rgba(237,244,255,.22);
  transform-origin: top center;
}

.body-arm { top: 74px; height: 125px; }
.body-arm.left { left: 67px; transform: rotate(24deg); }
.body-arm.right { left: 99px; transform: rotate(-24deg); }
.body-leg { top: 192px; height: 190px; }
.body-leg.left { left: 73px; transform: rotate(7deg); }
.body-leg.right { left: 94px; transform: rotate(-7deg); }

.tracker-dot {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(56,217,150,.22);
  border-radius: 50%;
  background: rgba(56,217,150,.08);
  box-shadow: 0 0 0 0 rgba(56,217,150,0);
  transition: .22s ease;
}

.tracker-dot.active {
  border-color: var(--green);
  background: var(--green);
  box-shadow: 0 0 20px rgba(56,217,150,.5);
}

.tracker-dot::after {
  content: attr(data-label);
  position: absolute;
  left: 22px;
  top: -4px;
  white-space: nowrap;
  color: var(--muted);
  font-size: .67rem;
  opacity: .65;
}

.dot-chest { left: 82px; top: 85px; }
.dot-hip { left: 82px; top: 171px; }
.dot-larm { left: 43px; top: 115px; }
.dot-rarm { left: 121px; top: 115px; }
.dot-lthigh { left: 68px; top: 225px; }
.dot-rthigh { left: 100px; top: 225px; }
.dot-lankle { left: 58px; top: 334px; }
.dot-rankle { left: 109px; top: 334px; }
.dot-lfoot { left: 52px; top: 387px; }
.dot-rfoot { left: 116px; top: 387px; }

.tracker-controls {
  display: grid;
  gap: 10px;
  align-content: start;
}

.tracker-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.tracker-summary {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: rgba(7,11,18,.25);
}

.tracker-summary h3 { margin: 0 0 8px; }
.tracker-summary p { color: var(--muted); line-height: 1.6; margin: 0; }

@media (max-width: 980px) {
  .guide-hero { grid-template-columns: 1fr; }
  .hero-side { grid-template-columns: repeat(2, 1fr); min-width: 0; }
  .guide-shell { grid-template-columns: 1fr; }
  .guide-toc { position: static; display: flex; gap: 5px; overflow-x: auto; padding: 10px; }
  .guide-toc-title { display: none; }
  .guide-toc a { white-space: nowrap; }
  .summary-grid, .compare-grid, .setting-grid, .source-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 700px) {
  .guide-page { width: min(100% - 24px, 1240px); padding-top: 22px; }
  .guide-hero { padding: 24px; border-radius: 18px; }
  .guide-section { padding: 20px; }
  .summary-grid, .compare-grid, .setting-grid, .source-grid, .choice-grid { grid-template-columns: 1fr; }
  .fbt-layout { grid-template-columns: 1fr; }
  .body-stage { min-height: 450px; }
  .tracker-buttons { grid-template-columns: repeat(2, 1fr); }
  .data-table { display: block; overflow-x: auto; }
  .flow-arrow { transform: rotate(90deg); width: 100%; text-align: center; }
  .hero-side { grid-template-columns: 1fr; }
}