:root {
  color-scheme: light;
  --ink: #191919;
  --muted: #68707a;
  --line: #d9dee4;
  --paper: #fbfbf8;
  --panel: #ffffff;
  --red: #c51f12;
  --gold: #f1c84c;
  --orange: #e8842d;
  --green: #357c46;
  --blue: #2e63aa;
  --brown: #70422b;
  --shadow: 0 14px 34px rgba(18, 24, 31, .12);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
select,
input,
textarea,
a {
  border-radius: 8px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, #ffffff 0%, #fff7f2 54%, #f6faf8 100%);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.brand-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--red);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(1.55rem, 2.6vw, 2.5rem);
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0;
}

.header-stats {
  display: flex;
  gap: 10px;
}

.header-stats div {
  min-width: 112px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .76);
}

.header-stats span {
  display: block;
  font-size: 1.42rem;
  font-weight: 800;
}

.header-stats small {
  display: block;
  color: var(--muted);
}

main {
  width: min(1200px, calc(100% - 32px));
  margin: 18px auto 48px;
}

.tabs {
  display: flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  background: #fff;
  overflow-x: auto;
}

.tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 10px 14px;
  min-height: 42px;
  cursor: pointer;
  white-space: nowrap;
}

.tab.active {
  background: var(--ink);
  color: #fff;
}

.view {
  display: none;
  padding-top: 18px;
}

.view.active {
  display: block;
}

.toolbar,
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.field {
  display: grid;
  gap: 7px;
  min-width: 210px;
}

.field.grow {
  flex: 1;
}

.field span {
  color: var(--muted);
  font-size: .84rem;
  font-weight: 700;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 11px 12px;
  outline: none;
}

select:focus,
input:focus,
textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(197, 31, 18, .14);
}

.rank-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(160px, 1fr));
  gap: 12px;
}

.rank-card,
.check-item,
.technique-card,
.source-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 4px 14px rgba(20, 25, 31, .05);
}

.rank-card {
  position: relative;
  display: grid;
  gap: 12px;
  min-height: 168px;
  padding: 16px;
  cursor: pointer;
}

.rank-card.active {
  border-color: var(--ink);
  box-shadow: var(--shadow);
}

.belt-strip {
  height: 10px;
  border-radius: 999px;
  background: var(--belt-color);
}

.progress-track {
  height: 10px;
  overflow: hidden;
  background: #eef0f2;
  border-radius: 999px;
}

.progress-fill {
  width: var(--pct);
  height: 100%;
  background: var(--belt-color);
  border-radius: inherit;
}

.rank-meta {
  color: var(--muted);
  font-size: .9rem;
}

.wide-band {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  background: #191919;
  color: #fff;
}

.wide-band .eyebrow {
  color: #f6c84e;
}

.focus-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(160px, 1fr));
  gap: 10px;
  flex: 1;
}

.focus-pill {
  padding: 12px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
}

.belt-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
}

.belt-nav {
  display: grid;
  align-content: start;
  gap: 8px;
}

.belt-nav button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  padding: 12px;
  cursor: pointer;
  text-align: left;
}

.belt-nav button.active {
  border-color: var(--ink);
  box-shadow: var(--shadow);
}

.belt-dot {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--belt-color);
  border: 1px solid rgba(0,0,0,.15);
  flex: 0 0 auto;
}

.belt-detail {
  min-width: 0;
}

.chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  padding: 8px 10px;
  cursor: pointer;
}

.chip.active {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.checklist {
  display: grid;
  gap: 10px;
}

.check-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
}

.check-item input {
  width: 20px;
  height: 20px;
}

.check-text {
  min-width: 0;
}

.check-title {
  display: block;
  font-weight: 700;
}

.check-description {
  display: block;
  max-width: 760px;
  margin-top: 5px;
  color: #3e4a57;
  font-size: .92rem;
  line-height: 1.45;
}

.check-meta {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: .88rem;
}

.primary-button,
.ghost-button,
.icon-button,
.demo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid transparent;
  padding: 8px 12px;
  text-decoration: none;
  cursor: pointer;
}

.primary-button {
  background: var(--red);
  color: #fff;
}

.ghost-button,
.demo-button {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.icon-button {
  width: 38px;
  padding: 0;
  background: var(--ink);
  color: #fff;
}

.technique-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 12px;
}

.technique-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  min-height: 166px;
}

.tag-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: .78rem;
}

.notes-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
}

textarea {
  min-height: 420px;
  resize: vertical;
}

.source-panel {
  padding: 16px;
}

.source-panel ul {
  margin: 8px 0 16px;
  padding-left: 20px;
}

.small-copy {
  color: var(--muted);
  font-size: .9rem;
}

dialog {
  width: min(860px, calc(100% - 24px));
  border: 1px solid var(--line);
  padding: 0;
  box-shadow: var(--shadow);
}

dialog::backdrop {
  background: rgba(0,0,0,.42);
}

.dialog-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.demo-body {
  display: grid;
  grid-template-columns: minmax(330px, 1.15fr) minmax(0, .85fr);
  gap: 18px;
  padding: 18px;
}

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0d0f12;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.generated-demo {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 8px;
  padding: 10px;
  color: #f8fafc;
  background: #101418;
}

.generated-demo[hidden] {
  display: none;
}

.generated-stage {
  position: relative;
  min-height: 112px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
  background:
    linear-gradient(90deg, transparent 49%, rgba(255,255,255,.08) 50%, transparent 51%),
    linear-gradient(0deg, #1f6b5e, #234f58);
}

.generated-stage::before,
.generated-stage::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  border-top: 1px solid rgba(255,255,255,.22);
}

.generated-stage::before { top: 28px; }
.generated-stage::after { bottom: 28px; }

.generated-label {
  position: absolute;
  left: 10px;
  top: 8px;
  z-index: 2;
  max-width: calc(100% - 20px);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: rgba(255,255,255,.86);
}

.generated-figure {
  position: absolute;
  width: 48px;
  height: 54px;
  left: var(--x, 42%);
  top: var(--y, 48%);
  transform: translate(-50%, -50%) rotate(var(--r, 0deg));
  transform-origin: center;
}

.generated-figure .head,
.generated-figure .body,
.generated-figure .belt,
.generated-figure .leg {
  position: absolute;
  display: block;
}

.generated-figure .head {
  width: 15px;
  height: 15px;
  left: 16px;
  top: 0;
  border-radius: 50%;
  background: var(--figure-color);
}

.generated-figure .body {
  width: 26px;
  height: 28px;
  left: 11px;
  top: 14px;
  border-radius: 7px 7px 4px 4px;
  background: var(--figure-color);
}

.generated-figure .belt {
  width: 28px;
  height: 4px;
  left: 10px;
  top: 29px;
  background: #f4c542;
}

.generated-figure .leg {
  width: 12px;
  height: 22px;
  top: 38px;
  border-radius: 6px;
  background: var(--figure-color);
  transform-origin: top center;
}

.generated-figure .leg.left {
  left: 12px;
  transform: rotate(-18deg);
}

.generated-figure .leg.right {
  right: 12px;
  transform: rotate(18deg);
}

.generated-figure.tori { --figure-color: #f8fafc; }
.generated-figure.uke { --figure-color: #d94c4c; }

.generated-cues {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .78rem;
  line-height: 1.25;
}

.generated-cues li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.generated-cues span {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  color: #101418;
  background: #f4c542;
  font-weight: 800;
  font-size: .72rem;
}

.generated-cues strong {
  display: block;
  margin-bottom: 2px;
  color: #fff;
  font-size: .78rem;
}

.generated-cues p {
  margin: 0;
  color: rgba(255,255,255,.78);
}

.generated-demo[data-motion="scissor"] .tori,
.generated-demo[data-motion="swing"] .tori,
.generated-demo[data-motion="sleeve-reversal"] .tori {
  animation: generatedBottomPlayer 4.5s ease-in-out infinite;
}

.generated-demo[data-motion="scissor"] .uke,
.generated-demo[data-motion="swing"] .uke,
.generated-demo[data-motion="sleeve-reversal"] .uke {
  animation: generatedSweepPartner 4.5s ease-in-out infinite;
}

.generated-demo[data-motion="pass"] .tori,
.generated-demo[data-motion="double-under"] .tori,
.generated-demo[data-motion="one-arm-pass"] .tori {
  animation: generatedPassPlayer 4.5s ease-in-out infinite;
}

.generated-demo[data-motion="pass"] .uke,
.generated-demo[data-motion="double-under"] .uke,
.generated-demo[data-motion="one-arm-pass"] .uke {
  animation: generatedGuardPartner 4.5s ease-in-out infinite;
}

.generated-demo[data-motion="roll"] .tori,
.generated-demo[data-motion="leg-extension"] .tori,
.generated-demo[data-motion="cross-hook"] .tori {
  animation: generatedRollPlayer 4.5s ease-in-out infinite;
}

.generated-demo[data-motion="roll"] .uke,
.generated-demo[data-motion="leg-extension"] .uke,
.generated-demo[data-motion="cross-hook"] .uke {
  animation: generatedRollPartner 4.5s ease-in-out infinite;
}

.generated-demo[data-motion="cartwheel"] .tori {
  animation: generatedCartwheelPlayer 4.5s ease-in-out infinite;
}

.generated-demo[data-motion="cartwheel"] .uke {
  animation: generatedGuardPartner 4.5s ease-in-out infinite;
}

.generated-demo[data-motion="combo-flow"] .tori {
  animation: generatedComboPlayer 4.5s ease-in-out infinite;
}

.generated-demo[data-motion="combo-flow"] .uke {
  animation: generatedComboPartner 4.5s ease-in-out infinite;
}

@keyframes generatedBottomPlayer {
  0%, 100% { left: 36%; top: 65%; transform: translate(-50%, -50%) rotate(-88deg); }
  45% { left: 46%; top: 61%; transform: translate(-50%, -50%) rotate(-28deg); }
  72% { left: 58%; top: 45%; transform: translate(-50%, -50%) rotate(0deg); }
}

@keyframes generatedSweepPartner {
  0%, 100% { left: 58%; top: 44%; transform: translate(-50%, -50%) rotate(0deg); }
  45% { left: 55%; top: 54%; transform: translate(-50%, -50%) rotate(30deg); }
  72% { left: 66%; top: 67%; transform: translate(-50%, -50%) rotate(88deg); }
}

@keyframes generatedPassPlayer {
  0%, 100% { left: 30%; top: 46%; transform: translate(-50%, -50%) rotate(0deg); }
  45% { left: 50%; top: 38%; transform: translate(-50%, -50%) rotate(8deg); }
  72% { left: 68%; top: 48%; transform: translate(-50%, -50%) rotate(0deg); }
}

@keyframes generatedGuardPartner {
  0%, 100% { left: 55%; top: 60%; transform: translate(-50%, -50%) rotate(90deg); }
  45% { left: 52%; top: 61%; transform: translate(-50%, -50%) rotate(90deg); }
  72% { left: 48%; top: 64%; transform: translate(-50%, -50%) rotate(82deg); }
}

@keyframes generatedRollPlayer {
  0%, 100% { left: 42%; top: 66%; transform: translate(-50%, -50%) rotate(-90deg); }
  45% { left: 50%; top: 55%; transform: translate(-50%, -50%) rotate(-170deg); }
  72% { left: 62%; top: 48%; transform: translate(-50%, -50%) rotate(-360deg); }
}

@keyframes generatedRollPartner {
  0%, 100% { left: 58%; top: 44%; transform: translate(-50%, -50%) rotate(0deg); }
  45% { left: 54%; top: 52%; transform: translate(-50%, -50%) rotate(82deg); }
  72% { left: 45%; top: 66%; transform: translate(-50%, -50%) rotate(110deg); }
}

@keyframes generatedCartwheelPlayer {
  0%, 100% { left: 29%; top: 44%; transform: translate(-50%, -50%) rotate(0deg); }
  38% { left: 50%; top: 27%; transform: translate(-50%, -50%) rotate(180deg); }
  72% { left: 70%; top: 45%; transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes generatedComboPlayer {
  0%, 100% { left: 38%; top: 43%; transform: translate(-50%, -50%) rotate(0deg); }
  38% { left: 46%; top: 43%; transform: translate(-50%, -50%) rotate(-8deg); }
  72% { left: 58%; top: 52%; transform: translate(-50%, -50%) rotate(18deg); }
}

@keyframes generatedComboPartner {
  0%, 100% { left: 58%; top: 43%; transform: translate(-50%, -50%) rotate(0deg); }
  38% { left: 57%; top: 43%; transform: translate(-50%, -50%) rotate(8deg); }
  72% { left: 66%; top: 63%; transform: translate(-50%, -50%) rotate(90deg); }
}

.generated-stage {
  min-height: 0;
  border-color: rgba(255,255,255,.18);
  background: #101418;
}

.generated-stage::before,
.generated-stage::after {
  display: none;
}

.generated-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.mat-grid {
  fill: none;
  stroke: rgba(255,255,255,.2);
  stroke-width: 2;
  stroke-linecap: round;
}

.motion-arrow {
  fill: none;
  stroke: #f4c542;
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 12 12;
  opacity: .82;
  filter: drop-shadow(0 2px 3px rgba(0,0,0,.35));
  animation: arrowPulse 2.4s ease-in-out infinite;
}

.leg-track {
  fill: none;
  stroke: #f8fafc;
  stroke-width: 3;
  stroke-dasharray: 8 10;
  stroke-linecap: round;
  opacity: .28;
}

.track-right {
  stroke: #f4c542;
}

.pass-arrow,
.roll-arrow {
  opacity: 0;
}

.demo-rig {
  filter: url(#figureShadow);
  transform-box: fill-box;
  transform-origin: center;
}

.figure-shadow {
  fill: rgba(0,0,0,.28);
}

.gi-jacket {
  stroke: rgba(10,14,18,.6);
  stroke-width: 3;
}

.tori-jacket {
  fill: #f8fafc;
}

.uke-jacket {
  fill: #d94c4c;
}

.head {
  fill: #f0c7a8;
  stroke: rgba(10,14,18,.5);
  stroke-width: 3;
}

.gi-line {
  fill: none;
  stroke-linecap: round;
  stroke-width: 18;
  transform-box: fill-box;
  transform-origin: center;
}

.tori-rig .gi-line {
  stroke: #f8fafc;
}

.uke-rig .gi-line {
  stroke: #d94c4c;
}

.lapel {
  fill: none;
  stroke: rgba(10,14,18,.44);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.belt-line {
  fill: none;
  stroke: #f4c542;
  stroke-width: 8;
  stroke-linecap: round;
}

.face-line {
  fill: none;
  stroke: rgba(10,14,18,.55);
  stroke-width: 3;
  stroke-linecap: round;
}

.joint {
  fill: #f4c542;
  stroke: rgba(10,14,18,.45);
  stroke-width: 2;
  transform-box: fill-box;
  transform-origin: center;
}

.foot {
  fill: #f8fafc;
  stroke: rgba(10,14,18,.48);
  stroke-width: 3;
  transform-box: fill-box;
  transform-origin: center;
}

.uke-rig .foot {
  fill: #d94c4c;
}

.limbs .leg.left,
.limbs .leg.right,
.limbs .knee.left,
.limbs .knee.right,
.limbs .foot.left,
.limbs .foot.right {
  animation-duration: 5s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}

.generated-demo .tori-rig {
  animation: realisticComboTori 5s ease-in-out infinite;
}

.generated-demo .uke-rig {
  animation: realisticComboUke 5s ease-in-out infinite;
}

.generated-demo[data-motion="scissor"] .tori-rig,
.generated-demo[data-motion="swing"] .tori-rig,
.generated-demo[data-motion="sleeve-reversal"] .tori-rig {
  animation-name: realisticSweepTori;
}

.generated-demo[data-motion="scissor"] .uke-rig,
.generated-demo[data-motion="swing"] .uke-rig,
.generated-demo[data-motion="sleeve-reversal"] .uke-rig {
  animation-name: realisticSweepUke;
}

.generated-demo[data-motion="pass"] .tori-rig,
.generated-demo[data-motion="double-under"] .tori-rig,
.generated-demo[data-motion="one-arm-pass"] .tori-rig {
  animation-name: realisticPassTori;
}

.generated-demo[data-motion="pass"] .uke-rig,
.generated-demo[data-motion="double-under"] .uke-rig,
.generated-demo[data-motion="one-arm-pass"] .uke-rig {
  animation-name: realisticPassUke;
}

.generated-demo[data-motion="roll"] .tori-rig,
.generated-demo[data-motion="leg-extension"] .tori-rig,
.generated-demo[data-motion="cross-hook"] .tori-rig {
  animation-name: realisticRollTori;
}

.generated-demo[data-motion="roll"] .uke-rig,
.generated-demo[data-motion="leg-extension"] .uke-rig,
.generated-demo[data-motion="cross-hook"] .uke-rig {
  animation-name: realisticRollUke;
}

.generated-demo[data-motion="cartwheel"] .tori-rig {
  animation-name: realisticCartwheelTori;
}

.generated-demo[data-motion="cartwheel"] .uke-rig {
  animation-name: realisticPassUke;
}

.generated-demo[data-motion="scissor"] .tori-rig .leg.left,
.generated-demo[data-motion="swing"] .tori-rig .leg.left,
.generated-demo[data-motion="sleeve-reversal"] .tori-rig .leg.left {
  animation-name: sweepBlockLeg;
}

.generated-demo[data-motion="scissor"] .tori-rig .leg.right,
.generated-demo[data-motion="swing"] .tori-rig .leg.right,
.generated-demo[data-motion="sleeve-reversal"] .tori-rig .leg.right {
  animation-name: sweepChopLeg;
}

.generated-demo[data-motion="scissor"] .tori-rig .knee.left,
.generated-demo[data-motion="swing"] .tori-rig .knee.left,
.generated-demo[data-motion="sleeve-reversal"] .tori-rig .knee.left,
.generated-demo[data-motion="scissor"] .tori-rig .foot.left,
.generated-demo[data-motion="swing"] .tori-rig .foot.left,
.generated-demo[data-motion="sleeve-reversal"] .tori-rig .foot.left {
  animation-name: sweepBlockMarker;
}

.generated-demo[data-motion="scissor"] .tori-rig .knee.right,
.generated-demo[data-motion="swing"] .tori-rig .knee.right,
.generated-demo[data-motion="sleeve-reversal"] .tori-rig .knee.right,
.generated-demo[data-motion="scissor"] .tori-rig .foot.right,
.generated-demo[data-motion="swing"] .tori-rig .foot.right,
.generated-demo[data-motion="sleeve-reversal"] .tori-rig .foot.right {
  animation-name: sweepChopMarker;
}

.generated-demo[data-motion="pass"] .tori-rig .leg.left,
.generated-demo[data-motion="double-under"] .tori-rig .leg.left,
.generated-demo[data-motion="one-arm-pass"] .tori-rig .leg.left {
  animation-name: passLeadLeg;
}

.generated-demo[data-motion="pass"] .tori-rig .leg.right,
.generated-demo[data-motion="double-under"] .tori-rig .leg.right,
.generated-demo[data-motion="one-arm-pass"] .tori-rig .leg.right {
  animation-name: passTrailLeg;
}

.generated-demo[data-motion="pass"] .tori-rig .knee.left,
.generated-demo[data-motion="double-under"] .tori-rig .knee.left,
.generated-demo[data-motion="one-arm-pass"] .tori-rig .knee.left,
.generated-demo[data-motion="pass"] .tori-rig .foot.left,
.generated-demo[data-motion="double-under"] .tori-rig .foot.left,
.generated-demo[data-motion="one-arm-pass"] .tori-rig .foot.left {
  animation-name: passLeadMarker;
}

.generated-demo[data-motion="pass"] .tori-rig .knee.right,
.generated-demo[data-motion="double-under"] .tori-rig .knee.right,
.generated-demo[data-motion="one-arm-pass"] .tori-rig .knee.right,
.generated-demo[data-motion="pass"] .tori-rig .foot.right,
.generated-demo[data-motion="double-under"] .tori-rig .foot.right,
.generated-demo[data-motion="one-arm-pass"] .tori-rig .foot.right {
  animation-name: passTrailMarker;
}

.generated-demo[data-motion="roll"] .tori-rig .leg.left,
.generated-demo[data-motion="leg-extension"] .tori-rig .leg.left,
.generated-demo[data-motion="cross-hook"] .tori-rig .leg.left {
  animation-name: rollExtendLeg;
}

.generated-demo[data-motion="roll"] .tori-rig .leg.right,
.generated-demo[data-motion="leg-extension"] .tori-rig .leg.right,
.generated-demo[data-motion="cross-hook"] .tori-rig .leg.right {
  animation-name: rollHookLeg;
}

.generated-demo[data-motion="roll"] .tori-rig .knee.left,
.generated-demo[data-motion="leg-extension"] .tori-rig .knee.left,
.generated-demo[data-motion="cross-hook"] .tori-rig .knee.left,
.generated-demo[data-motion="roll"] .tori-rig .foot.left,
.generated-demo[data-motion="leg-extension"] .tori-rig .foot.left,
.generated-demo[data-motion="cross-hook"] .tori-rig .foot.left {
  animation-name: rollExtendMarker;
}

.generated-demo[data-motion="roll"] .tori-rig .knee.right,
.generated-demo[data-motion="leg-extension"] .tori-rig .knee.right,
.generated-demo[data-motion="cross-hook"] .tori-rig .knee.right,
.generated-demo[data-motion="roll"] .tori-rig .foot.right,
.generated-demo[data-motion="leg-extension"] .tori-rig .foot.right,
.generated-demo[data-motion="cross-hook"] .tori-rig .foot.right {
  animation-name: rollHookMarker;
}

.generated-demo[data-motion="cartwheel"] .tori-rig .leg.left {
  animation-name: cartwheelSplitLeft;
}

.generated-demo[data-motion="cartwheel"] .tori-rig .leg.right {
  animation-name: cartwheelSplitRight;
}

.generated-demo[data-motion="cartwheel"] .tori-rig .knee.left,
.generated-demo[data-motion="cartwheel"] .tori-rig .foot.left {
  animation-name: cartwheelMarkerLeft;
}

.generated-demo[data-motion="cartwheel"] .tori-rig .knee.right,
.generated-demo[data-motion="cartwheel"] .tori-rig .foot.right {
  animation-name: cartwheelMarkerRight;
}

.generated-demo[data-motion="pass"] .pass-arrow,
.generated-demo[data-motion="double-under"] .pass-arrow,
.generated-demo[data-motion="one-arm-pass"] .pass-arrow,
.generated-demo[data-motion="cartwheel"] .pass-arrow {
  opacity: .82;
}

.generated-demo[data-motion="pass"] .sweep-arrow,
.generated-demo[data-motion="double-under"] .sweep-arrow,
.generated-demo[data-motion="one-arm-pass"] .sweep-arrow,
.generated-demo[data-motion="cartwheel"] .sweep-arrow {
  opacity: 0;
}

.generated-demo[data-motion="roll"] .roll-arrow,
.generated-demo[data-motion="leg-extension"] .roll-arrow,
.generated-demo[data-motion="cross-hook"] .roll-arrow {
  opacity: .82;
}

.generated-demo[data-motion="roll"] .sweep-arrow,
.generated-demo[data-motion="leg-extension"] .sweep-arrow,
.generated-demo[data-motion="cross-hook"] .sweep-arrow {
  opacity: 0;
}

@keyframes arrowPulse {
  0%, 100% { stroke-dashoffset: 0; opacity: .62; }
  50% { stroke-dashoffset: -24; opacity: .95; }
}

@keyframes realisticSweepTori {
  0%, 100% { transform: translate(220px, 228px) rotate(-82deg) scale(.92); }
  38% { transform: translate(268px, 210px) rotate(-38deg) scale(.96); }
  72% { transform: translate(382px, 160px) rotate(2deg) scale(1); }
}

@keyframes realisticSweepUke {
  0%, 100% { transform: translate(382px, 166px) rotate(0deg) scale(1); }
  38% { transform: translate(384px, 208px) rotate(30deg) scale(.98); }
  72% { transform: translate(462px, 248px) rotate(88deg) scale(.94); }
}

@keyframes realisticPassTori {
  0%, 100% { transform: translate(178px, 164px) rotate(0deg) scale(.98); }
  42% { transform: translate(314px, 122px) rotate(9deg) scale(1); }
  76% { transform: translate(468px, 164px) rotate(0deg) scale(1); }
}

@keyframes realisticPassUke {
  0%, 100% { transform: translate(370px, 226px) rotate(88deg) scale(.95); }
  42% { transform: translate(352px, 232px) rotate(92deg) scale(.95); }
  76% { transform: translate(310px, 238px) rotate(82deg) scale(.95); }
}

@keyframes realisticRollTori {
  0%, 100% { transform: translate(246px, 244px) rotate(-92deg) scale(.94); }
  42% { transform: translate(318px, 192px) rotate(-188deg) scale(.97); }
  76% { transform: translate(410px, 158px) rotate(-360deg) scale(1); }
}

@keyframes realisticRollUke {
  0%, 100% { transform: translate(390px, 158px) rotate(4deg) scale(1); }
  42% { transform: translate(366px, 206px) rotate(78deg) scale(.96); }
  76% { transform: translate(292px, 250px) rotate(112deg) scale(.94); }
}

@keyframes realisticCartwheelTori {
  0%, 100% { transform: translate(172px, 162px) rotate(0deg) scale(.98); }
  35% { transform: translate(320px, 90px) rotate(180deg) scale(1); }
  75% { transform: translate(492px, 164px) rotate(360deg) scale(.98); }
}

@keyframes realisticComboTori {
  0%, 100% { transform: translate(238px, 164px) rotate(0deg) scale(1); }
  42% { transform: translate(282px, 160px) rotate(-10deg) scale(1); }
  76% { transform: translate(360px, 202px) rotate(18deg) scale(.98); }
}

@keyframes realisticComboUke {
  0%, 100% { transform: translate(392px, 166px) rotate(0deg) scale(1); }
  42% { transform: translate(392px, 166px) rotate(8deg) scale(1); }
  76% { transform: translate(452px, 246px) rotate(88deg) scale(.94); }
}

@keyframes sweepBlockLeg {
  0%, 100% { transform: translate(0, 0) rotate(-8deg) scaleY(1); }
  38% { transform: translate(8px, -10px) rotate(-46deg) scaleY(1.16); }
  72% { transform: translate(15px, -14px) rotate(-18deg) scaleY(1.05); }
}

@keyframes sweepChopLeg {
  0%, 100% { transform: translate(0, 0) rotate(8deg) scaleY(1); }
  38% { transform: translate(-8px, 9px) rotate(54deg) scaleY(1.18); }
  72% { transform: translate(-4px, -6px) rotate(20deg) scaleY(1.03); }
}

@keyframes sweepBlockMarker {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  38% { transform: translate(12px, -13px) rotate(-28deg); }
  72% { transform: translate(15px, -12px) rotate(-10deg); }
}

@keyframes sweepChopMarker {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  38% { transform: translate(-12px, 12px) rotate(34deg); }
  72% { transform: translate(-5px, -6px) rotate(12deg); }
}

@keyframes passLeadLeg {
  0%, 100% { transform: translate(0, 0) rotate(-6deg) scaleY(1); }
  42% { transform: translate(15px, -18px) rotate(-58deg) scaleY(1.18); }
  76% { transform: translate(22px, 3px) rotate(-14deg) scaleY(1.02); }
}

@keyframes passTrailLeg {
  0%, 100% { transform: translate(0, 0) rotate(8deg) scaleY(1); }
  42% { transform: translate(-10px, 10px) rotate(34deg) scaleY(.95); }
  76% { transform: translate(18px, -2px) rotate(18deg) scaleY(1.05); }
}

@keyframes passLeadMarker {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  42% { transform: translate(17px, -18px) rotate(-35deg); }
  76% { transform: translate(24px, 3px) rotate(-8deg); }
}

@keyframes passTrailMarker {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  42% { transform: translate(-10px, 10px) rotate(22deg); }
  76% { transform: translate(18px, -2px) rotate(10deg); }
}

@keyframes rollExtendLeg {
  0%, 100% { transform: translate(0, 0) rotate(-8deg) scaleY(1); }
  42% { transform: translate(18px, -7px) rotate(-72deg) scaleY(1.22); }
  76% { transform: translate(8px, -10px) rotate(-24deg) scaleY(1.05); }
}

@keyframes rollHookLeg {
  0%, 100% { transform: translate(0, 0) rotate(8deg) scaleY(1); }
  42% { transform: translate(-15px, 9px) rotate(62deg) scaleY(1.15); }
  76% { transform: translate(-8px, -4px) rotate(28deg) scaleY(1.02); }
}

@keyframes rollExtendMarker {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  42% { transform: translate(19px, -8px) rotate(-42deg); }
  76% { transform: translate(8px, -9px) rotate(-12deg); }
}

@keyframes rollHookMarker {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  42% { transform: translate(-16px, 10px) rotate(38deg); }
  76% { transform: translate(-8px, -3px) rotate(14deg); }
}

@keyframes cartwheelSplitLeft {
  0%, 100% { transform: translate(0, 0) rotate(-6deg) scaleY(1); }
  35% { transform: translate(-18px, -22px) rotate(-92deg) scaleY(1.34); }
  75% { transform: translate(7px, 3px) rotate(-12deg) scaleY(1); }
}

@keyframes cartwheelSplitRight {
  0%, 100% { transform: translate(0, 0) rotate(6deg) scaleY(1); }
  35% { transform: translate(18px, -22px) rotate(92deg) scaleY(1.34); }
  75% { transform: translate(-7px, 3px) rotate(12deg) scaleY(1); }
}

@keyframes cartwheelMarkerLeft {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  35% { transform: translate(-21px, -24px) rotate(-58deg); }
  75% { transform: translate(7px, 3px) rotate(-5deg); }
}

@keyframes cartwheelMarkerRight {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  35% { transform: translate(21px, -24px) rotate(58deg); }
  75% { transform: translate(-7px, 3px) rotate(5deg); }
}

.demo-meta {
  color: var(--muted);
  margin-top: 0;
}

.demo-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .app-header,
  .toolbar,
  .section-head,
  .wide-band {
    align-items: stretch;
    flex-direction: column;
  }

  .rank-grid,
  .technique-grid,
  .focus-list,
  .notes-layout,
  .demo-body {
    grid-template-columns: 1fr;
  }

  .belt-layout {
    grid-template-columns: 1fr;
  }

  .belt-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  main {
    width: min(100% - 20px, 1200px);
  }

  .app-header {
    padding: 16px;
  }

  .brand-logo {
    width: 58px;
    height: 58px;
  }

  .header-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .header-stats div {
    min-width: 0;
  }

  .belt-nav {
    grid-template-columns: 1fr;
  }

  .check-item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .check-item .demo-button {
    grid-column: 2;
    width: fit-content;
  }
}