:root {
  color-scheme: dark;
  --body-bg: #0d0b09;
  --body-surface: #17120f;
  --body-surface-soft: #211916;
  --body-surface-strong: #2a211d;
  --body-border: rgba(238, 213, 177, 0.18);
  --body-text: #f4eadb;
  --body-muted: #b9a995;
  --body-warm: #e7b77a;
  --body-green: #9fca9a;
  --body-blue: #96b6c4;
  --body-rose: #d79b90;
  --body-shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
  --body-radius: 8px;
  --body-max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--body-bg);
}

body.body-mode-page {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(231, 183, 122, 0.08), transparent 280px),
    linear-gradient(135deg, #0d0b09 0%, #14100d 54%, #0d1010 100%);
  color: var(--body-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body.body-mode-page[data-reduce-motion="true"] *,
body.body-mode-page[data-reduce-motion="true"] *::before,
body.body-mode-page[data-reduce-motion="true"] *::after {
  scroll-behavior: auto !important;
  transition-duration: 0.01ms !important;
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
}

a {
  color: inherit;
}

a:hover {
  color: var(--body-warm);
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--body-warm);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 20;
  transform: translateY(-140%);
  padding: 10px 14px;
  border-radius: var(--body-radius);
  background: var(--body-warm);
  color: #17100c;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.body-nav,
.body-shell,
.body-footer {
  width: min(100% - 28px, var(--body-max));
  margin: 0 auto;
}

.body-top {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--body-border);
  background: rgba(13, 11, 9, 0.9);
  backdrop-filter: blur(14px);
}

.body-nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.body-brand,
.body-nav__links,
.body-actions,
.button-row,
.preference-row,
.step-controls,
.body-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.body-brand {
  text-decoration: none;
}

.body-brand__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(231, 183, 122, 0.42);
  border-radius: var(--body-radius);
  background: rgba(231, 183, 122, 0.12);
  color: var(--body-warm);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

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

.body-brand small {
  color: var(--body-muted);
  font-size: 0.78rem;
}

.body-nav__links a,
.body-footer a {
  padding: 8px 10px;
  border: 1px solid var(--body-border);
  border-radius: var(--body-radius);
  background: rgba(255, 255, 255, 0.03);
  color: var(--body-muted);
  text-decoration: none;
}

.body-nav__links a:hover,
.body-footer a:hover {
  color: var(--body-text);
  border-color: rgba(231, 183, 122, 0.46);
}

.body-shell {
  padding: 24px 0 36px;
  display: grid;
  gap: 18px;
}

.body-hero,
.body-panel,
.body-card,
.routine-card {
  border: 1px solid var(--body-border);
  border-radius: var(--body-radius);
  background: rgba(23, 18, 15, 0.9);
  box-shadow: var(--body-shadow);
}

.body-hero {
  display: grid;
  gap: 18px;
  padding: 22px;
}

.body-hero__copy,
.section-heading,
.body-card,
.routine-card,
.step-copy,
.quiet-box {
  display: grid;
  gap: 10px;
}

.kicker {
  margin: 0;
  color: var(--body-warm);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 2.45rem;
  line-height: 1;
  letter-spacing: -0.03em;
}

h2 {
  margin-bottom: 0;
  font-size: 1.38rem;
  line-height: 1.15;
}

h3 {
  margin-bottom: 0;
}

.lead {
  max-width: 780px;
  margin-bottom: 0;
  color: #ead9c3;
  font-size: 1.08rem;
}

.muted,
.section-heading p,
.body-card p,
.routine-card p,
.preference-note {
  color: var(--body-muted);
}

.muted,
.preference-note {
  margin-bottom: 0;
}

.body-button,
.mode-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--body-border);
  border-radius: var(--body-radius);
  background: rgba(255, 255, 255, 0.04);
  color: var(--body-text);
  text-decoration: none;
  cursor: pointer;
}

.body-button:hover:not(:disabled),
.mode-button:hover:not(:disabled) {
  border-color: rgba(231, 183, 122, 0.5);
  background: rgba(231, 183, 122, 0.12);
}

.body-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.body-button--primary,
.mode-button.is-active {
  border-color: rgba(231, 183, 122, 0.72);
  background: var(--body-warm);
  color: #17100c;
  font-weight: 850;
}

.preference-panel {
  padding: 16px;
  border: 1px solid var(--body-border);
  border-radius: var(--body-radius);
  background: rgba(33, 25, 22, 0.86);
}

.preference-row {
  justify-content: space-between;
}

.switch-field {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--body-text);
  font-weight: 700;
}

.switch-field input {
  width: 46px;
  height: 26px;
  accent-color: var(--body-warm);
}

.select-field {
  display: grid;
  gap: 6px;
  min-width: min(100%, 220px);
  color: var(--body-text);
  font-weight: 700;
}

select,
textarea {
  width: 100%;
  border: 1px solid var(--body-border);
  border-radius: var(--body-radius);
  background: #100c0a;
  color: var(--body-text);
  padding: 10px 11px;
}

.app-grid,
.quick-grid,
.routine-layout,
.step-list {
  display: grid;
  gap: 14px;
}

.body-card {
  padding: 16px;
  min-height: 180px;
  text-decoration: none;
  box-shadow: none;
}

.body-card:hover {
  transform: translateY(-1px);
  border-color: rgba(231, 183, 122, 0.44);
  color: var(--body-text);
}

.body-card__tag {
  width: fit-content;
  padding: 4px 8px;
  border: 1px solid rgba(231, 183, 122, 0.28);
  border-radius: var(--body-radius);
  color: var(--body-warm);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.body-panel {
  padding: 18px;
}

.disclaimer {
  padding: 14px;
  border: 1px solid rgba(150, 182, 196, 0.3);
  border-radius: var(--body-radius);
  background: rgba(150, 182, 196, 0.08);
  color: #d8e5e8;
}

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

.routine-card {
  padding: 16px;
}

.routine-meter {
  height: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.routine-meter span {
  display: block;
  width: var(--progress, 0%);
  height: 100%;
  background: linear-gradient(90deg, var(--body-warm), var(--body-green));
}

.timer-readout {
  display: grid;
  gap: 4px;
  padding: 18px;
  border: 1px solid var(--body-border);
  border-radius: var(--body-radius);
  background: var(--body-surface-soft);
  text-align: center;
}

.timer-readout strong {
  font-size: 2.55rem;
  line-height: 1;
  letter-spacing: 0.02em;
}

.timer-readout span {
  color: var(--body-muted);
}

.posture-visual {
  min-height: 240px;
  display: grid;
  place-items: center;
  border: 1px solid var(--body-border);
  border-radius: var(--body-radius);
  background: #100c0a;
}

.body-line {
  width: min(56vw, 180px);
  height: 210px;
  display: grid;
  place-items: center;
  position: relative;
}

.body-line::before {
  content: '';
  position: absolute;
  width: 4px;
  height: 172px;
  top: 30px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--body-blue), var(--body-warm), var(--body-green));
}

.body-line::after {
  content: '';
  position: absolute;
  width: 58px;
  height: 58px;
  top: 0;
  border: 3px solid var(--body-blue);
  border-radius: 999px;
  background: rgba(150, 182, 196, 0.08);
}

.body-line__shoulders,
.body-line__hips,
.body-line__seat {
  position: absolute;
  border-radius: 999px;
  background: rgba(231, 183, 122, 0.78);
}

.body-line__shoulders {
  width: 128px;
  height: 5px;
  top: 72px;
}

.body-line__hips {
  width: 92px;
  height: 5px;
  bottom: 58px;
  background: rgba(159, 202, 154, 0.76);
}

.body-line__seat {
  width: 150px;
  height: 6px;
  bottom: 20px;
  background: rgba(244, 234, 219, 0.28);
}

.step-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-list button {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--body-border);
  border-radius: var(--body-radius);
  background: rgba(255, 255, 255, 0.03);
  color: var(--body-muted);
  text-align: left;
  cursor: pointer;
}

.step-list button.is-active {
  border-color: rgba(231, 183, 122, 0.58);
  background: rgba(231, 183, 122, 0.12);
  color: var(--body-text);
}

.step-copy h2 {
  font-size: 1.65rem;
}

.step-copy p {
  margin-bottom: 0;
}

.cue-list {
  margin: 0;
  padding-left: 20px;
  color: #ead9c3;
}

.quiet-box {
  padding: 14px;
  border: 1px solid rgba(159, 202, 154, 0.28);
  border-radius: var(--body-radius);
  background: rgba(159, 202, 154, 0.08);
}

.body-footer {
  justify-content: center;
  padding: 0 0 40px;
}

@media (min-width: 720px) {
  .body-hero {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

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

  .routine-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 980px) {
  h1 {
    font-size: 3.05rem;
  }

  .app-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

@media (max-width: 680px) {
  .body-nav {
    min-height: auto;
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 0;
  }

  .body-button,
  .body-nav__links a,
  .body-footer a {
    flex: 1 1 auto;
  }

  .preference-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .body-card {
    min-height: auto;
  }
}