:root {
  color-scheme: light;
  --ink: #2f2420;
  --muted: #786d66;
  --paper: #f4efe6;
  --cream: #fffaf1;
  --coral: #db684f;
  --coral-dark: #ba4d39;
  --plum: #602f45;
  --sage: #8d9b83;
  --line: rgba(72, 52, 43, 0.17);
  --shadow: 0 22px 70px rgba(64, 40, 30, 0.13);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 87% 10%, rgba(219, 104, 79, 0.12), transparent 26rem),
    linear-gradient(90deg, rgba(91, 62, 48, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 76px 100%, auto;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

footer a {
  color: inherit;
  text-underline-offset: 3px;
}

button {
  font: inherit;
}

.page-shell {
  width: min(1220px, calc(100% - 44px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 96px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font: italic 28px/1 Georgia, serif;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  letter-spacing: 0.22em;
  font-size: 14px;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.session-stats {
  display: flex;
  gap: 38px;
}

.session-stats span {
  min-width: 74px;
}

.session-stats small,
.session-stats strong {
  display: block;
}

.session-stats small {
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.session-stats strong {
  font-family: "Courier New", monospace;
  font-size: 15px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(250px, 0.7fr);
  align-items: end;
  gap: 60px;
  padding: 56px 0 38px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.hero h1 {
  margin: 0;
  font: 400 clamp(43px, 6vw, 76px)/0.94 Georgia, "Times New Roman", serif;
  letter-spacing: -0.04em;
}

.hero h1 em {
  color: var(--coral);
  font-weight: 400;
}

.hero-copy {
  max-width: 390px;
  margin: 0 0 3px;
  color: var(--muted);
  font: 16px/1.65 Georgia, serif;
}

.class-order {
  margin-bottom: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 250, 241, 0.5);
}

.class-order ol {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.class-order li {
  position: relative;
  min-height: 83px;
  padding: 16px 17px 14px;
  border-right: 1px solid var(--line);
  color: rgba(47, 36, 32, 0.45);
}

.class-order li:last-child {
  border-right: 0;
}

.class-order li.active {
  color: var(--cream);
  background: var(--plum);
}

.class-order li span,
.class-order li strong,
.class-order li small {
  display: block;
}

.class-order li span {
  position: absolute;
  top: 13px;
  right: 14px;
  font: 10px/1 "Courier New", monospace;
}

.class-order li strong {
  margin: 5px 0 5px;
  font: 18px/1 Georgia, serif;
}

.class-order li small {
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.game-card {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.75fr);
  overflow: hidden;
  min-height: 500px;
  border: 1px solid rgba(91, 65, 53, 0.16);
  border-radius: 26px;
  background: var(--cream);
  box-shadow: var(--shadow);
}

.studio-panel {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1px 2px 18px;
}

.phase-pill {
  padding: 7px 11px;
  border-radius: 99px;
  color: var(--plum);
  background: #eee5e3;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.phase-pill.perform {
  color: #fff;
  background: var(--coral);
}

.tempo {
  color: var(--muted);
  font: 11px/1 "Courier New", monospace;
}

.audio-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tempo i {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--coral);
}

.music-toggle {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--plum);
  background: rgba(255, 250, 241, 0.72);
  cursor: pointer;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.music-toggle[aria-pressed="false"] {
  color: var(--muted);
  opacity: 0.68;
}

.stage {
  position: relative;
  flex: 1;
  min-height: 420px;
  overflow: hidden;
  border-radius: 18px;
  background:
    linear-gradient(to bottom, transparent 74%, rgba(97, 61, 44, 0.08) 74%, rgba(97, 61, 44, 0.03)),
    linear-gradient(115deg, #d8c9bd, #efe1d4 50%, #cfbcae);
  isolation: isolate;
}

.stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.28;
  background: repeating-linear-gradient(90deg, transparent 0 119px, rgba(78, 49, 38, 0.18) 120px 121px);
}

.arch {
  position: absolute;
  top: -27%;
  width: 46%;
  height: 89%;
  border: 1px solid rgba(82, 54, 43, 0.18);
  border-radius: 50% 50% 0 0;
  background: rgba(255, 249, 240, 0.18);
}

.arch-one {
  left: 2%;
}

.arch-two {
  right: 2%;
}

.barre {
  position: absolute;
  z-index: 1;
  top: 61%;
  left: 0;
  width: 100%;
  height: 6px;
  border-bottom: 2px solid rgba(74, 45, 35, 0.48);
  background: rgba(114, 69, 49, 0.6);
}

.barre::before,
.barre::after {
  content: "";
  position: absolute;
  top: 7px;
  width: 4px;
  height: 48px;
  background: rgba(74, 45, 35, 0.35);
}

.barre::before { left: 13%; }
.barre::after { right: 13%; }

.dancer-wrap {
  position: absolute;
  z-index: 2;
  top: 45%;
  left: 50%;
  width: min(54%, 330px);
  height: 330px;
  transform: translate(-50%, -50%);
}

.dancer {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  transition: transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.dancer.beat {
  transform: scale(1.018);
}

.phaser-dancer {
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0;
  filter: drop-shadow(0 7px 8px rgba(74, 45, 35, 0.08));
  pointer-events: none;
  transition: opacity 240ms ease;
}

.dancer.phaser-ready .phaser-dancer {
  opacity: 1;
}

.phaser-dancer canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.stage-copy {
  position: absolute;
  z-index: 3;
  right: 22px;
  bottom: 19px;
  left: 22px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 4px 24px;
  padding-top: 13px;
  border-top: 1px solid rgba(73, 48, 38, 0.22);
}

.stage-copy span,
.stage-copy small {
  color: rgba(55, 39, 33, 0.68);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.stage-copy strong {
  grid-column: 1;
  font: italic 28px/1.1 Georgia, serif;
}

.stage-copy small {
  grid-row: 1 / 3;
  grid-column: 2;
  align-self: end;
  max-width: 130px;
  line-height: 1.5;
  letter-spacing: 0;
  text-align: right;
}

.lesson-panel {
  display: flex;
  flex-direction: column;
  padding: 38px 34px 29px;
}

.lesson-top h2 {
  margin: 0 0 13px;
  font: 34px/1.05 Georgia, serif;
}

.lesson-top > p:last-child {
  min-height: 69px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.practice-picker {
  margin-top: 22px;
}

.practice-picker-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 9px;
}

.practice-picker-heading small,
.practice-picker-heading span {
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.practice-picker-heading span {
  color: var(--coral-dark);
  letter-spacing: 0.05em;
}

.practice-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

.practice-option {
  min-width: 0;
  padding: 11px 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 250, 241, 0.58);
  cursor: pointer;
  text-align: left;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.practice-option:hover:not(:disabled),
.practice-option:focus-visible {
  border-color: var(--coral);
  outline: none;
  transform: translateY(-1px);
}

.practice-option.selected {
  border-color: var(--coral);
  background: #fff8ee;
  box-shadow: 0 0 0 2px rgba(219, 104, 79, 0.1);
}

.practice-option:disabled {
  cursor: wait;
  opacity: 0.55;
}

.practice-option strong,
.practice-option small {
  display: block;
}

.practice-option strong {
  margin-bottom: 5px;
  font: 14px/1 Georgia, serif;
}

.practice-option small {
  color: var(--muted);
  font-size: 7px;
  line-height: 1.35;
}

.sequence-preview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
  margin: 23px 0 22px;
}

.sequence-dot {
  height: 5px;
  border-radius: 9px;
  background: #ddd4ca;
  transition: background 160ms ease, transform 160ms ease;
}

.sequence-dot.active {
  background: var(--coral);
  transform: scaleY(1.4);
}

.sequence-dot.done {
  background: var(--plum);
}

.sequence-dot.correct { background: var(--sage); }
.sequence-dot.wrong { background: var(--coral-dark); }

.beat-display {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.beat-orbit {
  display: grid;
  width: 53px;
  height: 53px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(91, 47, 69, 0.35);
  border-radius: 50%;
  color: var(--plum);
  font: 23px/1 Georgia, serif;
  transition: 100ms ease;
}

.beat-orbit.pulse {
  color: #fff;
  background: var(--coral);
  border-color: var(--coral);
  transform: scale(1.1);
}

.beat-display small,
.beat-display strong {
  display: block;
}

.beat-display small {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.beat-display strong {
  font-family: "Courier New", monospace;
  font-size: 13px;
}

.primary-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: auto;
  padding: 18px 19px;
  border: 0;
  border-radius: 9px;
  color: #fff;
  background: var(--ink);
  cursor: pointer;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.04em;
  transition: transform 160ms ease, background 160ms ease;
}

.primary-button:hover {
  background: var(--plum);
  transform: translateY(-2px);
}

.primary-button:disabled {
  opacity: 0.42;
  cursor: wait;
  transform: none;
}

.key-hint {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 9px;
  text-align: center;
}

.pose-section {
  padding: 55px 0 70px;
}

.pose-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 22px;
}

.pose-section-heading h2 {
  margin: 0;
  font: 32px/1.1 Georgia, serif;
}

.pose-section-heading > p {
  max-width: 300px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

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

.control-groups {
  grid-template-columns: 1.15fr 0.85fr;
  align-items: start;
  gap: 18px;
}

.control-set {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 250, 241, 0.4);
}

.control-set.automatic {
  opacity: 0.48;
}

.control-set.automatic .control-set-heading::after {
  content: "AUTOMATIC";
  padding: 4px 6px;
  border-radius: 99px;
  color: var(--plum);
  background: rgba(91, 47, 69, 0.08);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.control-set-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 13px;
}

.control-set-heading h3 {
  margin: 0;
  font: 21px/1 Georgia, serif;
}

.control-set-heading span {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.control-grid {
  display: grid;
  gap: 10px;
}

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

.lower-control-grid {
  grid-template-columns: 1fr;
}

.pose-card {
  position: relative;
  display: grid;
  grid-template-columns: 74px 1fr;
  align-items: center;
  min-height: 118px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--ink);
  background: rgba(255, 250, 241, 0.72);
  text-align: left;
  transition: border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease, opacity 150ms ease;
}

.pose-card:not(:disabled) {
  cursor: pointer;
}

.pose-card:not(:disabled):hover,
.pose-card:focus-visible {
  border-color: var(--coral);
  box-shadow: 0 9px 24px rgba(81, 50, 38, 0.11);
  outline: none;
  transform: translateY(-3px);
}

.pose-card:disabled {
  opacity: 0.52;
}

.pose-card.selected {
  border-color: var(--coral);
  background: #fff8ee;
  box-shadow: 0 0 0 3px rgba(219, 104, 79, 0.13);
  transform: translateY(-3px);
}

.pose-card.part-selected {
  border-color: rgba(219, 104, 79, 0.55);
  background: rgba(255, 248, 238, 0.7);
}

.pose-card.key-active {
  border-color: var(--coral);
  box-shadow: inset 0 0 0 2px rgba(219, 104, 79, 0.16);
  transform: translateY(1px);
}

.compact-card {
  grid-template-columns: 1fr;
  min-height: 82px;
  padding: 16px 38px 14px 16px;
}

.pose-card.wrong-choice {
  border-color: var(--coral-dark);
  animation: shake 220ms ease;
}

.keycap {
  position: absolute;
  top: 10px;
  right: 10px;
  display: grid;
  width: 21px;
  height: 21px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--muted);
  font: 10px/1 "Courier New", monospace;
}

.pose-card strong,
.pose-card small {
  display: block;
}

.pose-card strong {
  margin-bottom: 6px;
  font: 18px/1.05 Georgia, serif;
}

.pose-card small {
  color: var(--muted);
  font-size: 10px;
}

.mini-pose {
  position: relative;
  display: block;
  width: 56px;
  height: 72px;
}

.mini-pose i,
.mini-pose b,
.mini-pose em {
  position: absolute;
  left: 50%;
  display: block;
  background: var(--plum);
}

.mini-pose i {
  top: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translateX(-50%);
}

.mini-pose b {
  top: 15px;
  width: 12px;
  height: 27px;
  border-radius: 7px;
  transform: translateX(-50%);
}

.mini-pose em {
  top: 21px;
  width: 52px;
  height: 2px;
  border-radius: 5px;
  transform: translateX(-50%);
}

.mini-pose::before,
.mini-pose::after {
  content: "";
  position: absolute;
  top: 40px;
  left: 50%;
  width: 4px;
  height: 29px;
  border-radius: 4px;
  background: var(--plum);
  transform-origin: 50% 0;
}

.mini-pose::before { transform: translateX(-3px) rotate(9deg); }
.mini-pose::after { transform: translateX(1px) rotate(-9deg); }
.mini-plie::before { height: 24px; transform: translateX(-4px) rotate(27deg); }
.mini-plie::after { height: 24px; transform: translateX(1px) rotate(-27deg); }
.mini-grand::before { height: 19px; transform: translateX(-4px) rotate(39deg); }
.mini-grand::after { height: 19px; transform: translateX(1px) rotate(-39deg); }
.mini-tendu::after { height: 33px; transform: translateX(1px) rotate(-53deg); }
.mini-forward { transform: rotate(18deg); transform-origin: 50% 90%; }
.mini-side { transform: rotate(-13deg); transform-origin: 50% 90%; }
.mini-releve em { top: 15px; width: 31px; transform: translateX(-50%) rotate(90deg); }

.toast {
  position: fixed;
  z-index: 20;
  top: 24px;
  left: 50%;
  padding: 10px 17px;
  border-radius: 99px;
  color: #fff;
  background: var(--ink);
  box-shadow: 0 9px 25px rgba(45, 32, 27, 0.2);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -12px);
  transition: 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast.good { background: #66745f; }
.toast.bad { background: var(--coral-dark); }

footer {
  display: flex;
  justify-content: space-between;
  padding: 22px 0 35px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  40% { transform: translateX(-5px); }
  70% { transform: translateX(4px); }
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .game-card {
    grid-template-columns: 1fr;
  }

  .studio-panel {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .lesson-panel {
    min-height: 430px;
  }

  .pose-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .control-groups {
    grid-template-columns: 1fr;
  }

  .lower-control-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .class-order {
    overflow-x: auto;
  }

  .class-order ol {
    min-width: 760px;
  }
}

@media (max-width: 600px) {
  .page-shell {
    width: min(100% - 24px, 1220px);
  }

  .topbar {
    min-height: 78px;
  }

  .session-stats {
    gap: 11px;
  }

  .session-stats span {
    min-width: 52px;
  }

  .brand small {
    display: none;
  }

  .hero {
    padding: 40px 0 29px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .studio-panel {
    padding: 12px;
  }

  .audio-meta {
    align-items: flex-end;
    flex-direction: column;
    gap: 7px;
  }

  .stage {
    min-height: 390px;
  }

  .stage-copy small {
    display: none;
  }

  .lesson-panel {
    min-height: 410px;
    padding: 31px 23px 24px;
  }

  .pose-section-heading {
    align-items: start;
    flex-direction: column;
    gap: 8px;
  }

  .pose-section-heading > p {
    text-align: left;
  }

  .pose-grid {
    grid-template-columns: 1fr;
  }

  .upper-control-grid,
  .lower-control-grid {
    grid-template-columns: 1fr;
  }

  .control-set-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  footer {
    gap: 12px;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}