:root {
  color-scheme: light;
  --canvas: #f4f2eb;
  --surface: #fffefb;
  --ink: #17243a;
  --muted: #647082;
  --indigo: #30476f;
  --indigo-deep: #21375f;
  --indigo-soft: #e1e7f1;
  --mist: #e9efee;
  --moss: #7f9486;
  --clay: #b78072;
  --line: #d9ddd8;
  --line-strong: #b9c4c4;
  --focus: #1d5fb8;
  --route-colour: #496776;
  --shadow: 0 18px 60px rgba(35, 49, 66, 0.075), 0 2px 8px rgba(35, 49, 66, 0.035);
  --radius-lg: 28px;
  --radius-md: 18px;
  --page-edge: 20px;
  --page: min(1160px, calc(100% - 40px));
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 82% 4%, rgba(203, 216, 218, 0.46), transparent 31rem),
    radial-gradient(circle at 2% 23%, rgba(223, 226, 211, 0.38), transparent 27rem),
    var(--canvas);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
summary {
  font: inherit;
}

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

button {
  color: inherit;
}

svg {
  display: block;
}

[hidden] {
  display: none !important;
}

.visually-hidden,
.sr-status {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: calc(12px + env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  padding: 11px 16px;
  border-radius: 9px;
  background: var(--ink);
  color: white;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-180%);
}

.skip-link:focus-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.site-header {
  width: var(--page);
  min-height: calc(88px + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
  padding-left: max(0px, calc(env(safe-area-inset-left) - var(--page-edge)));
  padding-right: max(0px, calc(env(safe-area-inset-right) - var(--page-edge)));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 46px;
  height: 46px;
  padding: 8px;
  border: 1px solid rgba(104, 123, 128, 0.28);
  border-radius: 14px;
  background: rgba(255, 255, 252, 0.58);
  fill: none;
  stroke: var(--indigo);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
}

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

.brand strong {
  font-size: 1.04rem;
  letter-spacing: -0.02em;
}

.brand small {
  margin-top: 1px;
  color: var(--muted);
  font-size: 0.74rem;
}

.local-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 7px 12px;
  border: 1px solid rgba(107, 123, 128, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 252, 0.38);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.local-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--moss);
}

main,
footer {
  width: var(--page);
  margin-inline: auto;
}

main {
  padding-left: max(0px, calc(env(safe-area-inset-left) - var(--page-edge)));
  padding-right: max(0px, calc(env(safe-area-inset-right) - var(--page-edge)));
}

.view {
  padding: 38px 0 72px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: clamp(38px, 7vw, 92px);
  margin: 26px 0 60px;
}

.intro-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--indigo);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.intro-copy h1,
.intro-copy .lede,
.intro-copy .eyebrow,
h2,
p {
  overflow-wrap: break-word;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-family: Iowan Old Style, Palatino Linotype, Georgia, "Times New Roman", serif;
  font-size: clamp(2.9rem, 6.15vw, 5.45rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

h2 {
  margin: 0;
  font-family: Iowan Old Style, Palatino Linotype, Georgia, "Times New Roman", serif;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.lede {
  max-width: 690px;
  margin: 24px 0 0;
  color: #586679;
  font-size: clamp(1rem, 1.8vw, 1.17rem);
  line-height: 1.68;
}

.promise-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 28px;
  color: var(--indigo);
  font-size: 0.78rem;
  font-weight: 750;
}

.promise-row span {
  min-width: 0;
  max-width: 100%;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  overflow-wrap: break-word;
}

.promise-row span::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--moss);
  content: "";
}

.route-art {
  min-width: 0;
  padding: 18px;
  border: 1px solid rgba(102, 122, 126, 0.13);
  border-radius: 34px;
  background: rgba(255, 255, 252, 0.28);
}

.route-art svg {
  width: 100%;
  overflow: visible;
}

.land-back {
  fill: #e2e9e8;
}

.land-front {
  fill: #d3ddda;
}

.route-line {
  fill: none;
  stroke: var(--indigo);
  stroke-dasharray: 4 8;
  stroke-linecap: round;
  stroke-width: 3;
}

.route-start,
.route-end {
  fill: var(--canvas);
  stroke: var(--indigo);
  stroke-width: 3;
}

.route-end {
  fill: var(--indigo);
}

.trees {
  fill: none;
  stroke: #6d8375;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.builder-form {
  overflow: clip;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 254, 251, 0.93);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.choice-section {
  padding: clamp(26px, 4.2vw, 48px);
  border-bottom: 1px solid var(--line);
}

.choice-section:nth-of-type(even) {
  background: rgba(238, 242, 239, 0.27);
}

.choice-section > legend {
  width: 100%;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 13px;
  font-size: clamp(1.22rem, 2.2vw, 1.55rem);
  font-weight: 760;
  letter-spacing: -0.025em;
}

.choice-help {
  max-width: 680px;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 0.82rem;
}

.step-number {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(48, 71, 111, 0.14);
  background: var(--indigo-soft);
  color: var(--indigo);
  font-size: 0.8rem;
}

.duration-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.duration-grid label,
.choice-card,
.segmented label {
  position: relative;
  cursor: pointer;
}

.duration-grid input,
.choice-card input,
.segmented input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.duration-grid label > span {
  min-height: 82px;
  display: grid;
  place-content: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(252, 252, 248, 0.84);
  color: var(--ink);
  font-size: 1.32rem;
  font-weight: 760;
  text-align: center;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.duration-grid small {
  margin-left: 3px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 650;
}

.duration-grid input:checked + span {
  border-color: var(--indigo);
  background: linear-gradient(145deg, #edf1f7, var(--indigo-soft));
  color: var(--indigo-deep);
  box-shadow: inset 0 0 0 1px var(--indigo);
}

.duration-grid input:focus-visible + span,
.choice-card input:focus-visible + .choice-card-body,
.segmented input:focus-visible + span {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.choice-grid {
  display: grid;
  gap: 12px;
}

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

.route-groups {
  display: grid;
  gap: 30px;
}

.route-choice-group {
  min-width: 0;
}

.route-choice-group h3 {
  margin: 0 0 11px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.route-group-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.choice-card-body {
  min-height: 126px;
  height: 100%;
  padding: 19px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(252, 252, 248, 0.82);
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.choice-card:hover .choice-card-body,
.duration-grid label:hover > span {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.choice-card input:checked + .choice-card-body {
  border-color: var(--indigo);
  background: linear-gradient(145deg, #f7f8fa, #e8edf4);
  box-shadow: inset 0 0 0 1px var(--indigo);
}

.choice-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.choice-card-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(48, 71, 111, 0.08);
  background: var(--mist);
  color: var(--indigo);
}

.choice-card-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.choice-tick {
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: transparent;
}

.choice-card input:checked + .choice-card-body .choice-tick {
  border-color: var(--indigo);
  background: var(--indigo);
  color: white;
}

.choice-tick svg {
  width: 13px;
  height: 13px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
}

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

.choice-card strong {
  font-size: 0.96rem;
}

.choice-card small {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.48;
}

.route-group-grid .choice-card-body {
  position: relative;
  overflow: hidden;
}

.route-group-grid .choice-card-body::after {
  position: absolute;
  right: -25px;
  bottom: -35px;
  width: 105px;
  height: 105px;
  border-radius: 50%;
  background: var(--choice-wash, rgba(91, 116, 118, 0.08));
  content: "";
  pointer-events: none;
}

.choice-card[data-choice-id="woodlandRiver"] { --choice-wash: rgba(83, 125, 139, 0.13); }
.choice-card[data-choice-id="dawnPark"] { --choice-wash: rgba(190, 161, 113, 0.15); }
.choice-card[data-choice-id="pineEarth"] { --choice-wash: rgba(89, 119, 91, 0.14); }
.choice-card[data-choice-id="coastShelter"] { --choice-wash: rgba(89, 135, 155, 0.14); }
.choice-card[data-choice-id="rainTrail"] { --choice-wash: rgba(94, 112, 135, 0.13); }
.choice-card[data-choice-id="deepWoodland"] { --choice-wash: rgba(63, 101, 74, 0.14); }
.choice-card[data-choice-id="leafReturn"] { --choice-wash: rgba(127, 140, 92, 0.15); }
.choice-card[data-choice-id="meadowTreeLine"] { --choice-wash: rgba(154, 161, 103, 0.14); }
.choice-card[data-choice-id="gravelRidge"] { --choice-wash: rgba(139, 126, 111, 0.14); }
.choice-card[data-choice-id="openHillReturn"] { --choice-wash: rgba(151, 142, 111, 0.14); }
.choice-card[data-choice-id="canalPath"] { --choice-wash: rgba(76, 126, 139, 0.14); }
.choice-card[data-choice-id="riverLoop"] { --choice-wash: rgba(66, 116, 134, 0.15); }
.choice-card[data-choice-id="forestStream"] { --choice-wash: rgba(62, 118, 104, 0.15); }
.choice-card[data-choice-id="windMeadow"] { --choice-wash: rgba(151, 166, 105, 0.15); }
.choice-card[data-choice-id="rainToCoast"] { --choice-wash: rgba(76, 129, 151, 0.15); }
.choice-card[data-choice-id="oldLanes"] { --choice-wash: rgba(111, 112, 87, 0.15); }

.choice-tags {
  position: relative;
  z-index: 1;
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.choice-tags > span {
  min-height: 23px;
  padding: 4px 7px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(90, 107, 110, 0.15);
  border-radius: 999px;
  background: rgba(255, 255, 252, 0.66);
  color: #627075;
  font-size: 0.63rem;
  font-weight: 700;
  line-height: 1.1;
}

.rhythm-disclosure {
  border-bottom: 1px solid var(--line);
}

.rhythm-disclosure > summary,
.more-sound-controls > summary {
  min-height: 92px;
  padding: 20px clamp(26px, 4.2vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

.rhythm-disclosure > summary::after,
.more-sound-controls > summary::after {
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  margin-left: 2px;
  border-right: 2px solid var(--indigo);
  border-bottom: 2px solid var(--indigo);
  content: "";
  transform: rotate(45deg) translateY(-3px);
  transition: transform 160ms ease;
}

.rhythm-disclosure[open] > summary::after,
.more-sound-controls[open] > summary::after {
  transform: rotate(225deg) translate(-2px, -1px);
}

.rhythm-disclosure summary > span:first-child,
.more-sound-controls summary > span:first-child {
  min-width: 0;
}

.rhythm-disclosure summary strong,
.rhythm-disclosure summary small,
.more-sound-controls summary strong,
.more-sound-controls summary small {
  display: block;
}

.rhythm-disclosure summary strong,
.more-sound-controls summary strong {
  font-size: 1rem;
}

.rhythm-disclosure summary small,
.more-sound-controls summary small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
}

.summary-value {
  margin-left: auto;
  color: var(--indigo);
  font-size: 0.78rem;
  font-weight: 750;
  white-space: nowrap;
}

.rhythm-panel {
  padding: 4px clamp(26px, 4.2vw, 48px) 36px;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(360px, 1fr);
  align-items: start;
  gap: 28px;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #f2f3f0;
}

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

.segmented label > span {
  min-height: 43px;
  padding: 9px 11px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
}

.segmented input:checked + span {
  background: var(--surface);
  color: var(--indigo);
  box-shadow: 0 2px 7px rgba(39, 59, 86, 0.09);
}

.target-cadence {
  display: grid;
  gap: 13px;
}

.cadence-values {
  display: grid;
  gap: 22px;
}

.cadence-values .target-cadence + .target-cadence {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.target-cadence.is-disabled {
  opacity: 0.58;
}

.target-cadence > label {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.82rem;
  font-weight: 700;
}

.target-cadence .control-note {
  margin: -2px 0 0;
}

.cadence-arrival legend {
  margin-bottom: 9px;
  font-size: 0.82rem;
  font-weight: 700;
}

.cadence-arrival .segmented label > span {
  min-height: 65px;
  align-content: center;
}

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

.cadence-arrival strong,
.cadence-arrival small {
  display: block;
}

.cadence-arrival small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 600;
}

output {
  color: var(--indigo);
  font-variant-numeric: tabular-nums;
}

.range-row {
  display: grid;
  grid-template-columns: 1fr 76px;
  align-items: center;
  gap: 12px;
}

input[type="range"] {
  width: 100%;
  height: 24px;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 5px;
  border-radius: 999px;
  background: #cfd8e3;
}

input[type="range"]::-moz-range-track {
  height: 5px;
  border-radius: 999px;
  background: #cfd8e3;
}

input[type="range"]::-webkit-slider-thumb {
  width: 22px;
  height: 22px;
  margin-top: -8.5px;
  appearance: none;
  border: 4px solid var(--surface);
  border-radius: 50%;
  background: var(--indigo);
  box-shadow: 0 1px 4px rgba(23, 37, 59, 0.24);
}

input[type="range"]::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border: 4px solid var(--surface);
  border-radius: 50%;
  background: var(--indigo);
  box-shadow: 0 1px 4px rgba(23, 37, 59, 0.24);
}

.number-input {
  width: 76px;
  min-height: 44px;
  padding: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: white;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.builder-action {
  padding: 26px clamp(26px, 4.2vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(90deg, #eef2f1, #e8eef2);
}

.builder-action p {
  max-width: 570px;
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.builder-action p strong {
  color: var(--ink);
}

.primary-button,
.secondary-button,
.back-button,
.variation-button,
.listen-button,
.text-button {
  min-height: 48px;
  border: 0;
  cursor: pointer;
}

.primary-button {
  min-width: 210px;
  padding: 14px 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, #36517f, var(--indigo-deep));
  color: white;
  font-weight: 780;
  box-shadow: 0 10px 26px rgba(44, 65, 110, 0.22);
  transition: background 150ms ease, transform 150ms ease;
}

.primary-button:hover {
  background: var(--indigo-deep);
  transform: translateY(-1px);
}

.primary-button:active {
  transform: translateY(0);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.58;
  transform: none;
}

.primary-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.primary-button.full {
  width: 100%;
}

.result-view {
  padding-top: 26px;
}

.back-button {
  padding: 8px 4px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  color: var(--indigo);
  font-size: 0.82rem;
  font-weight: 750;
}

.back-button svg,
.variation-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.result-hero {
  padding: 40px 0 42px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
}

.result-hero > div {
  min-width: 0;
}

.result-hero h1 {
  max-width: 850px;
  font-size: clamp(2.7rem, 5.5vw, 5rem);
}

.result-meta {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-chip,
.seed-label,
.preview-length,
.file-estimate {
  min-height: 31px;
  padding: 6px 10px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.seed-label {
  white-space: nowrap;
}

.variation-button {
  flex: 0 0 auto;
  padding: 10px 13px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(255, 255, 252, 0.44);
  color: var(--indigo);
  font-size: 0.78rem;
  font-weight: 750;
}

.variation-button:disabled,
.text-button:disabled {
  cursor: wait;
  opacity: 0.55;
}

.variation-tools {
  flex: 0 0 auto;
  display: grid;
  justify-items: end;
  gap: 9px;
}

.variation-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.surprise-button {
  border-color: color-mix(in srgb, var(--indigo) 30%, var(--line));
  background: color-mix(in srgb, var(--indigo-soft) 55%, white);
}

.undo-take {
  min-height: 37px;
  padding: 5px 5px 5px 11px;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 252, 0.72);
  color: var(--muted);
  font-size: 0.68rem;
}

.undo-take .text-button {
  min-height: 30px;
  padding: 4px 8px;
  color: var(--indigo);
  font-size: 0.68rem;
  font-weight: 800;
}

.result-layout {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: 18px;
}

.timeline-card,
.listen-card,
.export-card,
.sound-shaping,
.quality-note {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 254, 251, 0.94);
  box-shadow: var(--shadow);
}

.sound-shaping {
  position: relative;
  margin-bottom: 18px;
  overflow: hidden;
}

.sound-shaping::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--route-colour), var(--moss), transparent 86%);
  content: "";
}

.sound-shaping-heading {
  padding: clamp(25px, 3.5vw, 38px) clamp(23px, 3.5vw, 38px) 19px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.54fr);
  align-items: end;
  gap: 28px;
}

.sound-shaping-heading h2 {
  max-width: 660px;
}

.sound-shaping-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.55;
}

.atmosphere-control {
  margin: 0 clamp(23px, 3.5vw, 38px) clamp(27px, 3.5vw, 34px);
  padding: 18px clamp(17px, 2.2vw, 24px) 16px;
  border: 1px solid color-mix(in srgb, var(--route-colour) 23%, var(--line));
  border-radius: 16px;
  background:
    radial-gradient(circle at 92% 0, color-mix(in srgb, var(--route-colour) 10%, transparent), transparent 14rem),
    #f7f8f5;
}

.atmosphere-control > input[type="range"],
.runner-control > input[type="range"] {
  height: 30px;
}

.atmosphere-scale span:nth-child(2) {
  margin-inline: auto;
}

.more-sound-controls {
  border-top: 1px solid var(--line);
  background: rgba(240, 243, 241, 0.42);
}

.runner-space {
  padding: 0 clamp(23px, 3.5vw, 38px) clamp(26px, 3.5vw, 36px);
  display: grid;
  grid-template-columns: minmax(260px, 1.15fr) minmax(150px, 0.52fr) minmax(270px, 1fr);
  align-items: center;
  gap: clamp(20px, 3.2vw, 42px);
}

.runner-control,
.placement-fieldset {
  min-width: 0;
}

.pack-feel-controls {
  grid-column: 1 / -1;
  width: 100%;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: clamp(20px, 3vw, 36px);
}

.pack-feel-control {
  min-width: 0;
  transition: opacity 160ms ease;
}

.pack-feel-control > input[type="range"] {
  height: 30px;
}

.pack-feel-control.is-disabled {
  opacity: 0.5;
}

.control-heading {
  margin-bottom: 11px;
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.control-heading label,
.control-heading label strong,
.control-heading label small {
  display: block;
}

.control-heading label strong,
.placement-fieldset legend {
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 780;
}

.control-heading label small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.45;
}

.control-heading output {
  min-width: 72px;
  min-height: 34px;
  padding: 5px 9px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--route-colour) 30%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--route-colour) 7%, white);
  color: var(--indigo-deep);
  font-size: 0.82rem;
  font-weight: 850;
  white-space: nowrap;
}

.range-scale {
  margin-top: -1px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.63rem;
  font-weight: 680;
}

.control-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.48;
}

.runner-orbit-wrap {
  min-width: 0;
  display: grid;
  place-items: center;
}

.runner-orbit {
  position: relative;
  width: 146px;
  height: 108px;
}

.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid color-mix(in srgb, var(--route-colour) 25%, var(--line));
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-ring-one {
  width: 82px;
  height: 48px;
}

.orbit-ring-two {
  width: 140px;
  height: 92px;
  opacity: 0.66;
}

.runner-self,
.orbit-runners > span {
  position: absolute;
  z-index: 2;
  display: block;
  border-radius: 50%;
}

.runner-self {
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  border: 2px solid var(--indigo-deep);
  background: var(--surface);
  box-shadow: 0 0 0 5px rgba(48, 71, 111, 0.12);
  transform: translate(-50%, -50%);
}

.runner-self-label {
  position: absolute;
  z-index: 3;
  top: calc(50% + 13px);
  left: 50%;
  width: 72px;
  color: var(--indigo);
  font-size: 0.55rem;
  font-weight: 800;
  line-height: 1.12;
  text-align: center;
  transform: translateX(-50%);
}

.runner-self-label small {
  margin-top: 2px;
  display: block;
  font-size: 0.48rem;
  font-weight: 650;
}

.orbit-runners > span {
  top: var(--y, 50%);
  left: var(--x, 50%);
  width: 7px;
  height: 7px;
  background: color-mix(in srgb, var(--route-colour) 78%, var(--moss));
  box-shadow: 0 1px 3px rgba(22, 37, 56, 0.15);
  opacity: calc(1 - (var(--ring) * 0.16));
  transform: translate(-50%, -50%);
}

.placement-fieldset legend {
  margin-bottom: 9px;
}

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

.placement-options label > span {
  min-height: 64px;
  align-content: center;
}

.placement-options strong,
.placement-options small {
  display: block;
}

.placement-options small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.61rem;
  font-weight: 620;
  line-height: 1.35;
}

.placement-fieldset:disabled {
  opacity: 0.48;
}

.more-sound-controls > summary {
  min-height: 78px;
  padding-block: 15px;
}

.timeline-card,
.listen-card,
.export-card {
  min-width: 0;
  padding: clamp(23px, 3.5vw, 36px);
}

.listen-card {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 0, color-mix(in srgb, var(--route-colour) 14%, transparent), transparent 16rem),
    rgba(255, 254, 251, 0.96);
}

.export-card {
  background: rgba(255, 254, 251, 0.96);
}

.section-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
}

.timeline-card.timeline-disclosure {
  padding: 0;
  overflow: hidden;
}

.timeline-disclosure > summary {
  min-height: 105px;
  padding: clamp(23px, 3.5vw, 36px);
  align-items: center;
  cursor: pointer;
  list-style: none;
}

.timeline-disclosure > summary::after {
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  margin-left: 1px;
  border-right: 2px solid var(--indigo);
  border-bottom: 2px solid var(--indigo);
  content: "";
  transform: rotate(45deg) translateY(-3px);
  transition: transform 160ms ease;
}

.timeline-disclosure[open] > summary::after {
  transform: rotate(225deg) translate(-2px, -1px);
}

.timeline-disclosure > summary > span:first-child {
  min-width: 0;
  display: block;
}

.timeline-disclosure > summary .eyebrow {
  display: block;
}

.timeline-disclosure > summary strong {
  display: block;
  font-family: Iowan Old Style, Palatino Linotype, Georgia, "Times New Roman", serif;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.timeline-disclosure .timeline {
  margin: 6px clamp(23px, 3.5vw, 36px) clamp(23px, 3.5vw, 36px);
}

.compact-heading h2 {
  font-size: 1.72rem;
}

.timeline {
  margin: 36px 0 2px;
  padding: 0;
  list-style: none;
  counter-reset: phases;
}

.timeline-item {
  position: relative;
  min-height: 94px;
  padding: 0 0 28px 50px;
  counter-increment: phases;
}

.timeline-item:last-child {
  min-height: 64px;
  padding-bottom: 0;
}

.timeline-item::before {
  position: absolute;
  z-index: 1;
  top: 1px;
  left: 2px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 2px solid color-mix(in srgb, var(--route-colour) 25%, white);
  border-radius: 50%;
  background: white;
  color: var(--indigo);
  content: counter(phases, decimal-leading-zero);
  font-size: 0.62rem;
  font-weight: 850;
}

.timeline-item::after {
  position: absolute;
  top: 31px;
  bottom: -1px;
  left: 17px;
  width: 1px;
  background: #cad4d9;
  content: "";
}

.timeline-item:last-child::after {
  display: none;
}

.timeline-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 15px;
}

.timeline-top strong {
  font-size: 0.94rem;
}

.timeline-top time {
  color: var(--indigo);
  font-size: 0.71rem;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
  white-space: nowrap;
}

.timeline-item p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.79rem;
}

.timeline-tags {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.timeline-tags span {
  padding: 3px 7px;
  border-radius: 999px;
  background: #eff2f0;
  color: #4f6258;
  font-size: 0.65rem;
  font-weight: 680;
}

.action-column {
  min-width: 0;
  display: grid;
  gap: 18px;
}

.card-copy {
  margin: 16px 0 20px;
  color: var(--muted);
  font-size: 0.81rem;
  line-height: 1.58;
}

.listen-button {
  width: 100%;
  min-height: 76px;
  padding: 11px;
  display: flex;
  align-items: center;
  gap: 13px;
  border: 1px solid color-mix(in srgb, var(--route-colour) 36%, #d7dcdf);
  border-radius: 15px;
  background: color-mix(in srgb, var(--route-colour) 8%, #f6f7f6);
  color: var(--indigo);
  text-align: left;
}

.play-disc {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--route-colour), var(--indigo-deep));
  color: white;
}

.play-disc svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 2.2;
}

.play-icon {
  fill: currentColor;
  stroke: none;
}

.pause-icon {
  display: none;
}

.listen-button.is-playing .play-icon {
  display: none;
}

.listen-button.is-playing .pause-icon {
  display: block;
}

.listen-button strong,
.listen-button small {
  display: block;
}

.listen-button strong {
  font-size: 0.88rem;
}

.listen-button small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
}

.preview-progress {
  height: 4px;
  margin: 13px 1px 0;
  overflow: hidden;
  border-radius: 999px;
  background: #dce2e3;
}

.preview-progress span {
  width: 0;
  height: 100%;
  display: block;
  background: var(--moss);
  transition: width 120ms linear;
}

.volume-control {
  margin-top: 12px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
}

.volume-control input {
  width: 100%;
  min-width: 0;
  height: 20px;
}

.export-progress,
.export-ready {
  margin-top: 18px;
  padding: 18px;
  border-radius: 15px;
  background: #f0f3f2;
}

.export-ready.is-stale {
  border: 1px solid #d8cdb9;
  background: #f6f2e9;
}

.progress-copy {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
}

.progress-copy.minor {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.67rem;
}

progress {
  width: 100%;
  height: 9px;
  margin-top: 11px;
  overflow: hidden;
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: #d9e0df;
}

progress::-webkit-progress-bar {
  border-radius: 999px;
  background: #d9e0df;
}

progress::-webkit-progress-value {
  border-radius: 999px;
  background: var(--moss);
}

progress::-moz-progress-bar {
  border-radius: 999px;
  background: var(--moss);
}

.text-button {
  min-height: 42px;
  margin-top: 8px;
  padding: 7px 0;
  background: transparent;
  color: var(--indigo);
  font-size: 0.72rem;
  font-weight: 750;
}

.text-button.danger {
  color: #8b5247;
}

.export-ready {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
}

.ready-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #dce8df;
  color: #456452;
}

.ready-mark svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.1;
}

.export-ready strong,
.export-ready small {
  display: block;
}

.export-ready strong {
  font-size: 0.85rem;
}

.export-ready small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.69rem;
}

.ready-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.secondary-button {
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  background: white;
  color: var(--indigo);
  font-weight: 750;
}

.device-note,
.error-message {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 0.67rem;
  line-height: 1.5;
}

.error-message {
  padding: 10px 12px;
  border-left: 3px solid var(--clay);
  background: #f7eeeb;
  color: #71443b;
}

.fine-grid {
  padding: 3px clamp(23px, 3.5vw, 38px) 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.fine-grid.character-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  row-gap: 22px;
}

.fine-grid legend {
  margin-bottom: 9px;
  font-size: 0.78rem;
  font-weight: 750;
}

.fine-grid .control-note {
  margin: 8px 2px 0;
}

.quality-note {
  margin-top: 20px;
  padding: 24px 28px;
  display: flex;
  align-items: start;
  gap: 18px;
  box-shadow: none;
  background: rgba(234, 239, 236, 0.88);
}

.quality-note > svg {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  fill: none;
  stroke: var(--moss);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.quality-note h2 {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 780;
  letter-spacing: 0;
}

.quality-note p {
  max-width: 880px;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.55;
}

footer {
  min-height: 92px;
  padding: 24px max(0px, calc(env(safe-area-inset-right) - var(--page-edge))) calc(24px + env(safe-area-inset-bottom)) max(0px, calc(env(safe-area-inset-left) - var(--page-edge)));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
  color: #58677a;
  font-size: 0.7rem;
}

@media (max-width: 900px) {
  :root {
    --page-edge: 14px;
    --page: min(100% - 28px, 760px);
  }

  .intro-grid,
  .result-layout {
    grid-template-columns: 1fr;
  }

  .intro-grid {
    gap: 22px;
  }

  .route-art {
    width: min(560px, 100%);
    justify-self: center;
  }

  .result-layout {
    gap: 14px;
  }

  .action-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .sound-shaping-heading {
    grid-template-columns: minmax(0, 1fr) minmax(190px, 0.46fr);
  }

  .runner-space {
    grid-template-columns: minmax(0, 1fr) minmax(150px, 0.45fr);
  }

  .runner-control .control-heading {
    gap: 8px;
  }

  .runner-control .control-heading output {
    min-width: 68px;
    padding-inline: 7px;
    font-size: 0.7rem;
  }

  .placement-fieldset {
    grid-column: 1 / -1;
  }

  .motion-grid,
  .route-group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rhythm-panel {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 680px) {
  :root {
    --page-edge: 12px;
    --page: calc(100% - 24px);
    --radius-lg: 21px;
  }

  .site-header {
    min-height: calc(78px + env(safe-area-inset-top));
  }

  .brand-mark {
    width: 41px;
    height: 41px;
  }

  .local-note {
    min-height: 34px;
    padding: 6px 9px;
    font-size: 0.68rem;
  }

  .brand small {
    display: none;
  }

  .view {
    padding-top: 22px;
  }

  .intro-grid {
    margin: 15px 0 32px;
  }

  h1 {
    font-size: clamp(2.2rem, calc(8.5vw + 0.8rem), 4rem);
  }

  .route-art {
    margin-top: -4px;
  }

  .choice-section {
    padding: 25px 18px 29px;
  }

  .duration-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .duration-grid label > span {
    min-height: 68px;
    border-radius: 11px;
    font-size: 1.05rem;
  }

  .duration-grid small {
    display: block;
    margin: 1px 0 0;
    font-size: 0.58rem;
  }

  .motion-grid,
  .route-group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .choice-card-body {
    min-height: 108px;
    padding: 16px;
    gap: 15px;
  }

  .rhythm-disclosure > summary,
  .more-sound-controls > summary {
    min-height: 82px;
    padding-inline: 18px;
  }

  .summary-value {
    display: none;
  }

  .rhythm-panel {
    padding: 0 18px 26px;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .builder-action {
    padding: 14px 18px calc(14px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
  }

  .builder-action p {
    display: none;
  }

  .builder-action .primary-button {
    width: 100%;
  }

  .result-hero {
    padding: 29px 0 34px;
    align-items: start;
    flex-direction: column;
    gap: 20px;
  }

  .result-hero h1 {
    font-size: clamp(2rem, calc(7vw + 0.8rem), 3.6rem);
    overflow-wrap: anywhere;
  }

  .variation-tools,
  .variation-actions,
  .variation-button {
    width: 100%;
  }

  .variation-tools {
    justify-items: stretch;
  }

  .variation-actions {
    flex-wrap: nowrap;
  }

  .variation-button {
    flex: 1 1 0;
    justify-content: center;
  }

  .undo-take {
    justify-content: space-between;
  }

  .timeline-card,
  .listen-card,
  .export-card {
    padding: 22px 18px;
  }

  .section-heading {
    gap: 12px;
  }

  .timeline-top {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 3px 12px;
  }

  .action-column {
    grid-template-columns: 1fr;
  }

  .volume-control {
    grid-template-columns: minmax(0, 1fr);
    gap: 5px;
  }

  .sound-shaping-heading {
    padding: 24px 18px 17px;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .atmosphere-control {
    margin: 0 18px 24px;
    padding: 16px;
  }

  .fine-grid {
    padding-inline: 18px;
    grid-template-columns: 1fr;
  }

  .fine-grid.character-grid {
    grid-template-columns: 1fr;
  }

  .pack-feel-controls {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .runner-space {
    padding: 0 18px 24px;
    grid-template-columns: minmax(0, 1fr) 116px;
    gap: 20px 12px;
  }

  .runner-orbit {
    width: 116px;
    transform: scale(0.8);
  }

  .placement-fieldset {
    grid-column: 1 / -1;
  }

  .timeline-disclosure > summary {
    min-height: 92px;
    padding: 22px 18px;
  }

  .timeline-disclosure .timeline {
    margin-inline: 18px;
  }

  .quality-note {
    padding: 21px 18px;
  }

  footer {
    min-height: 110px;
    align-items: start;
    flex-direction: column;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .motion-grid,
  .route-group-grid {
    grid-template-columns: 1fr;
  }

  .route-groups {
    gap: 25px;
  }

  .cadence-arrival .segmented,
  .variation-actions {
    grid-template-columns: 1fr;
  }

  .placement-options {
    grid-template-columns: 1fr;
  }

  .cadence-arrival .arrival-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .variation-actions {
    display: grid;
  }
}

@media (max-width: 390px) {
  .local-note {
    display: none;
  }

  .target-cadence > label {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .range-row {
    grid-template-columns: minmax(0, 1fr) 70px;
    gap: 8px;
  }

  .number-input {
    width: 70px;
  }

  .atmosphere-control .control-heading,
  .runner-control .control-heading,
  .pack-feel-control .control-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }

  .atmosphere-control .control-heading output,
  .runner-control .control-heading output,
  .pack-feel-control .control-heading output {
    align-self: start;
    max-width: 100%;
    white-space: normal;
  }

  .ready-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 360px) {
  .runner-space {
    grid-template-columns: 1fr;
  }

  .runner-orbit-wrap,
  .placement-fieldset {
    grid-column: 1;
  }

  .runner-orbit-wrap {
    padding-block: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (forced-colors: active) {
  .choice-card input:checked + .choice-card-body,
  .duration-grid input:checked + span,
  .segmented input:checked + span {
    outline: 3px solid Highlight;
  }

  .local-dot,
  progress::-webkit-progress-value {
    background: Highlight;
  }
}