:root {
  color-scheme: dark;
  --ink: oklch(0.135 0.008 145);
  --ink-raised: oklch(0.185 0.009 145);
  --ink-soft: oklch(0.225 0.009 145);
  --porcelain: oklch(0.965 0.008 105);
  --porcelain-dim: oklch(0.87 0.01 105);
  --silver: oklch(0.74 0.009 120);
  --mineral: oklch(0.62 0.012 125);
  --signal: oklch(0.72 0.17 145);
  --signal-dark: oklch(0.46 0.12 145);
  --warning: oklch(0.78 0.14 80);
  --danger: oklch(0.64 0.19 27);
  --line: color-mix(in oklch, var(--porcelain) 13%, transparent);
  --line-strong: color-mix(in oklch, var(--porcelain) 24%, transparent);
  --surface-light: oklch(0.94 0.008 105);
  --text-light: oklch(0.19 0.01 145);
  --easing: cubic-bezier(0.16, 1, 0.3, 1);
  --topbar-height: 72px;
  --bottom-nav-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--ink);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--ink);
  color: var(--porcelain);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.is-session-open {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

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

button {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--porcelain);
  outline-offset: 4px;
}

.coach-topbar {
  position: sticky;
  z-index: 80;
  top: 0;
  min-height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px clamp(18px, 3vw, 42px);
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}

.coach-brand {
  color: var(--porcelain);
  font-family: Montserrat, Inter, sans-serif;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  line-height: 1;
  text-decoration: none;
}

.coach-topbar__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.coach-save-status {
  margin: 0 8px 0 0;
  color: var(--mineral);
  font-size: 0.75rem;
}

.coach-store-link,
.text-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  color: var(--porcelain);
  font-weight: 650;
  text-underline-offset: 4px;
  cursor: pointer;
}

.coach-store-link:hover,
.text-button:hover {
  text-decoration: underline;
}

.text-button--danger {
  color: color-mix(in oklch, var(--danger) 78%, var(--porcelain));
}

.coach-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms var(--easing), background-color 180ms var(--easing), color 180ms var(--easing), border-color 180ms var(--easing);
}

.coach-button:hover {
  transform: translateY(-2px);
}

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

.coach-button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
}

.coach-button--primary {
  background: var(--porcelain);
  color: var(--text-light);
}

.coach-button--primary:hover {
  background: oklch(0.89 0.009 105);
}

.coach-button--secondary,
.coach-button--quiet {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--porcelain);
}

.coach-button--secondary:hover,
.coach-button--quiet:hover {
  border-color: var(--porcelain-dim);
  background: color-mix(in oklch, var(--porcelain) 7%, transparent);
}

.coach-button--large {
  min-height: 58px;
  padding: 17px 27px;
  font-size: 1rem;
}

.coach-button__play {
  font-size: 0.82em;
}

.coach-eyebrow {
  margin: 0 0 11px;
  color: var(--silver);
  font-size: 0.71rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.2;
}

/* Onboarding */
.coach-onboarding {
  min-height: calc(100vh - var(--topbar-height));
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(480px, 1.18fr);
  background: var(--ink);
}

.onboarding-intro {
  min-height: calc(100vh - var(--topbar-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 7vw, 112px);
  background:
    radial-gradient(circle at 10% 80%, color-mix(in oklch, var(--signal) 12%, transparent), transparent 33%),
    var(--ink-raised);
}

.onboarding-intro h1 {
  max-width: 9ch;
  margin: 0 0 24px;
  font-size: clamp(2.7rem, 5.5vw, 5.2rem);
  font-weight: 750;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.onboarding-intro > p:not(.coach-eyebrow):not(.coach-privacy-note) {
  max-width: 54ch;
  margin: 0;
  color: var(--porcelain-dim);
  font-size: 1.06rem;
}

.onboarding-proof {
  display: grid;
  gap: 12px;
  margin: 40px 0 26px;
  padding: 0;
  list-style: none;
}

.onboarding-proof li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--porcelain);
  font-weight: 600;
}

.onboarding-proof li::before {
  content: "✓";
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in oklch, var(--signal) 17%, transparent);
  color: var(--signal);
  font-size: 0.74rem;
}

.coach-privacy-note {
  margin: auto 0 0;
  color: var(--mineral);
  font-size: 0.78rem;
}

.onboarding-form {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 6vw, 96px);
  background: var(--porcelain);
  color: var(--text-light);
}

.onboarding-progress {
  max-width: 760px;
  margin-bottom: 38px;
  color: color-mix(in oklch, var(--text-light) 64%, transparent);
  font-size: 0.76rem;
  font-weight: 700;
}

.onboarding-progress__track {
  height: 3px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 99px;
  background: color-mix(in oklch, var(--text-light) 12%, transparent);
}

.onboarding-progress__track span {
  width: 25%;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--text-light);
  transition: width 240ms var(--easing);
}

.onboarding-step {
  max-width: 760px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.onboarding-step legend {
  max-width: 18ch;
  padding: 0;
  font-size: clamp(2rem, 3.4vw, 3.15rem);
  font-weight: 750;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.onboarding-step__lead {
  max-width: 58ch;
  margin: 12px 0 30px;
  color: color-mix(in oklch, var(--text-light) 67%, transparent);
}

.model-picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.model-option {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
  border-radius: 20px;
  background: oklch(0.92 0.008 105);
  cursor: pointer;
  transition: border-color 180ms var(--easing), transform 180ms var(--easing), background-color 180ms var(--easing);
}

.model-option:hover {
  transform: translateY(-3px);
  border-color: color-mix(in oklch, var(--text-light) 34%, transparent);
}

.model-option:has(input:checked) {
  border-color: var(--text-light);
  background: oklch(0.95 0.007 105);
}

.model-option input,
.goal-option input,
.segmented-choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.model-option input:focus-visible + .model-option__media,
.goal-option input:focus-visible + span,
.segmented-choice input:focus-visible + span {
  outline: 2px solid var(--text-light);
  outline-offset: -4px;
}

.model-option__media {
  height: clamp(190px, 27vw, 310px);
  display: block;
  overflow: hidden;
  background: oklch(0.955 0.006 105);
}

.model-option__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.model-option:nth-child(2) .model-option__media img {
  object-fit: contain;
  padding: 12px;
}

.model-option__copy {
  display: flex;
  flex-direction: column;
  padding: 18px 56px 20px 20px;
}

.model-option__copy strong {
  font-size: 1.08rem;
}

.model-option__copy small {
  margin-top: 4px;
  color: color-mix(in oklch, var(--text-light) 62%, transparent);
}

.model-option__check {
  position: absolute;
  right: 18px;
  bottom: 22px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in oklch, var(--text-light) 22%, transparent);
  border-radius: 50%;
  color: transparent;
  font-size: 0.78rem;
}

.model-option:has(input:checked) .model-option__check {
  border-color: var(--text-light);
  background: var(--text-light);
  color: var(--porcelain);
}

.coach-field {
  display: grid;
  gap: 8px;
  color: color-mix(in oklch, var(--text-light) 74%, transparent);
  font-size: 0.78rem;
  font-weight: 700;
}

.coach-field--name {
  max-width: 420px;
  margin-bottom: 22px;
}

.coach-field input,
.coach-field select {
  width: 100%;
  min-height: 50px;
  border: 1px solid color-mix(in oklch, var(--text-light) 18%, transparent);
  border-radius: 12px;
  padding: 0 15px;
  background: color-mix(in oklch, var(--porcelain) 88%, var(--text-light));
  color: var(--text-light);
  font-size: 1rem;
  font-weight: 500;
}

.coach-field input:focus,
.coach-field select:focus {
  border-color: var(--text-light);
  outline: 2px solid color-mix(in oklch, var(--text-light) 26%, transparent);
  outline-offset: 2px;
}

.goal-picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.goal-option {
  position: relative;
  min-width: 0;
  cursor: pointer;
}

.goal-option > span {
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid color-mix(in oklch, var(--text-light) 15%, transparent);
  border-radius: 14px;
  padding: 14px 18px;
  background: color-mix(in oklch, var(--porcelain) 90%, var(--text-light));
  transition: border-color 180ms var(--easing), background-color 180ms var(--easing);
}

.goal-option > span::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 18px;
  height: 18px;
  border: 1px solid color-mix(in oklch, var(--text-light) 25%, transparent);
  border-radius: 50%;
}

.goal-option:has(input:checked) > span {
  border-color: var(--text-light);
  background: oklch(0.89 0.015 145);
}

.goal-option:has(input:checked) > span::after {
  border-color: var(--text-light);
  background: var(--text-light);
  box-shadow: inset 0 0 0 4px oklch(0.89 0.015 145);
}

.goal-option strong {
  padding-right: 22px;
  font-size: 0.92rem;
}

.goal-option small {
  margin-top: 4px;
  color: color-mix(in oklch, var(--text-light) 59%, transparent);
  font-size: 0.76rem;
}

.field-message {
  min-height: 20px;
  margin: 10px 0 0;
  color: var(--danger);
  font-size: 0.76rem;
  font-weight: 650;
}

.choice-group + .choice-group,
.choice-group + .switch-row {
  margin-top: 24px;
}

.choice-group__label {
  margin: 0 0 10px;
  font-size: 0.8rem;
  font-weight: 750;
}

.segmented-choice {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.segmented-choice label {
  position: relative;
}

.segmented-choice span {
  min-height: 50px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
  border-radius: 12px;
  padding: 8px 12px;
  text-align: center;
  font-size: 0.84rem;
  font-weight: 650;
  cursor: pointer;
}

.segmented-choice input:checked + span {
  border-color: var(--text-light);
  background: var(--text-light);
  color: var(--porcelain);
}

.switch-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  border-top: 1px solid color-mix(in oklch, var(--text-light) 13%, transparent);
  padding-top: 22px;
  cursor: pointer;
}

.switch-row > span:first-child {
  display: grid;
}

.switch-row small {
  margin-top: 3px;
  color: color-mix(in oklch, var(--text-light) 58%, transparent);
}

.switch-row input {
  position: absolute;
  opacity: 0;
}

.switch {
  position: relative;
  width: 50px;
  height: 29px;
  flex: 0 0 auto;
  border-radius: 99px;
  background: color-mix(in oklch, var(--text-light) 18%, transparent);
  transition: background-color 180ms var(--easing);
}

.switch::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--porcelain);
  box-shadow: 0 2px 9px color-mix(in oklch, var(--ink) 26%, transparent);
  transition: transform 180ms var(--easing);
}

.switch-row input:checked + .switch {
  background: var(--signal-dark);
}

.switch-row input:checked + .switch::after {
  transform: translateX(21px);
}

.switch-row input:focus-visible + .switch {
  outline: 2px solid var(--text-light);
  outline-offset: 3px;
}

.time-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.plan-preview {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
  border-top: 1px solid color-mix(in oklch, var(--text-light) 15%, transparent);
  padding-top: 24px;
}

.plan-preview__number {
  font-size: 3.2rem;
  font-weight: 780;
  letter-spacing: -0.06em;
  line-height: 1;
}

.plan-preview p {
  max-width: 48ch;
  margin: 3px 0 0;
  color: color-mix(in oklch, var(--text-light) 62%, transparent);
  font-size: 0.82rem;
}

.onboarding-actions {
  max-width: 760px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 34px;
}

.onboarding-actions .coach-button--primary {
  background: var(--text-light);
  color: var(--porcelain);
}

.onboarding-actions .coach-button--quiet {
  border-color: color-mix(in oklch, var(--text-light) 20%, transparent);
  color: var(--text-light);
}

/* App shell */
.coach-product {
  min-height: calc(100vh - var(--topbar-height));
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
}

.coach-sidebar {
  position: sticky;
  top: var(--topbar-height);
  height: calc(100vh - var(--topbar-height));
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  padding: 26px 18px 22px;
  background: var(--ink);
}

.coach-sidebar__profile {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 8px 24px;
}

.coach-avatar {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--porcelain);
  color: var(--text-light);
  font-size: 0.84rem;
  font-weight: 800;
}

.coach-sidebar__profile > div {
  min-width: 0;
  display: grid;
}

.coach-sidebar__profile strong,
.coach-sidebar__profile span:not(.coach-avatar) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.coach-sidebar__profile strong {
  font-size: 0.88rem;
}

.coach-sidebar__profile span:not(.coach-avatar) {
  color: var(--mineral);
  font-size: 0.72rem;
}

.coach-nav {
  display: grid;
  gap: 4px;
}

.coach-nav__item {
  width: 100%;
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 0;
  border-radius: 12px;
  padding: 10px 12px;
  background: transparent;
  color: var(--mineral);
  font-weight: 650;
  text-align: left;
  cursor: pointer;
}

.coach-nav__item:hover {
  background: color-mix(in oklch, var(--porcelain) 5%, transparent);
  color: var(--porcelain);
}

.coach-nav__item.is-active {
  background: var(--ink-raised);
  color: var(--porcelain);
}

.coach-nav__item svg,
.coach-bottom-nav svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.coach-sidebar__note {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding: 20px 8px 0;
}

.coach-sidebar__note strong {
  font-size: 0.74rem;
}

.coach-sidebar__note p {
  margin: 5px 0 0;
  color: var(--mineral);
  font-size: 0.68rem;
  line-height: 1.45;
}

.coach-workspace {
  min-width: 0;
  background: var(--surface-light);
  color: var(--text-light);
}

.coach-view {
  width: min(100%, 1280px);
  min-height: calc(100vh - var(--topbar-height));
  margin: 0 auto;
  padding: clamp(32px, 5vw, 72px);
}

.view-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.view-heading .coach-eyebrow,
.coach-workspace .coach-eyebrow {
  color: color-mix(in oklch, var(--text-light) 56%, transparent);
}

.view-heading h1 {
  max-width: 17ch;
  margin: 0;
  font-size: clamp(2.15rem, 4vw, 4rem);
  font-weight: 760;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.view-install-button {
  display: none;
  border-color: color-mix(in oklch, var(--text-light) 23%, transparent);
  color: var(--text-light);
}

.today-hero {
  min-height: 410px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  overflow: hidden;
  border-radius: 28px;
  background: var(--ink);
  color: var(--porcelain);
}

.today-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(34px, 6vw, 74px);
}

.today-hero__status {
  margin: 0 0 14px;
  color: var(--silver);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.today-hero h2 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4.3rem);
  font-weight: 740;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.today-hero__content > p:not(.today-hero__status):not(.today-hero__mode) {
  max-width: 54ch;
  margin: 20px 0 28px;
  color: var(--porcelain-dim);
}

.today-hero__mode {
  margin: 16px 0 0;
  color: var(--mineral);
  font-size: 0.72rem;
}

.today-hero__product {
  position: relative;
  min-height: 390px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--ink-raised);
}

.today-hero__product img {
  position: relative;
  z-index: 2;
  width: min(82%, 430px);
  height: 94%;
  object-fit: contain;
  filter: drop-shadow(0 34px 32px color-mix(in oklch, var(--ink) 38%, transparent));
}

.product-orbit {
  position: absolute;
  z-index: 1;
  width: min(76%, 350px);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.product-orbit::before,
.product-orbit::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid color-mix(in oklch, var(--porcelain) 7%, transparent);
  border-radius: inherit;
}

.product-orbit::after {
  inset: 27%;
}

.routine-section,
.care-actions,
.plan-strip,
.calendar-section,
.history-section {
  margin-top: clamp(58px, 8vw, 96px);
}

.section-heading-inline {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 25px;
}

.section-heading-inline h2,
.care-actions__intro h2 {
  max-width: 17ch;
  margin: 0;
  font-size: clamp(1.65rem, 2.7vw, 2.65rem);
  font-weight: 730;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.section-heading-inline > p,
.section-heading-inline > span {
  margin: 0;
  color: color-mix(in oklch, var(--text-light) 54%, transparent);
  font-size: 0.76rem;
}

.routine-timeline {
  border-top: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
}

.routine-row {
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr) auto;
  align-items: center;
  gap: 26px;
  min-height: 106px;
  border-bottom: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
}

.routine-row__time {
  font-size: 1.15rem;
  font-weight: 720;
  letter-spacing: -0.02em;
}

.routine-row__copy {
  display: grid;
}

.routine-row__copy strong {
  font-size: 1rem;
}

.routine-row__copy small {
  margin-top: 4px;
  color: color-mix(in oklch, var(--text-light) 58%, transparent);
}

.routine-row__state {
  min-width: 108px;
}

.routine-row.is-complete .routine-row__state {
  color: var(--signal-dark);
  font-size: 0.78rem;
  font-weight: 750;
}

.routine-row .coach-button {
  min-height: 42px;
  border-color: color-mix(in oklch, var(--text-light) 20%, transparent);
  color: var(--text-light);
}

.care-actions {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: start;
}

.care-actions__intro > p:not(.coach-eyebrow) {
  max-width: 38ch;
  margin: 15px 0 0;
  color: color-mix(in oklch, var(--text-light) 60%, transparent);
}

.care-actions__list {
  border-top: 1px solid color-mix(in oklch, var(--text-light) 17%, transparent);
}

.care-task {
  width: 100%;
  min-height: 82px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  border: 0;
  border-bottom: 1px solid color-mix(in oklch, var(--text-light) 17%, transparent);
  padding: 13px 0;
  background: transparent;
  color: var(--text-light);
  text-align: left;
  cursor: pointer;
}

.care-task__check {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in oklch, var(--text-light) 25%, transparent);
  border-radius: 50%;
  color: transparent;
  transition: background-color 180ms var(--easing), color 180ms var(--easing), border-color 180ms var(--easing);
}

.care-task__copy {
  display: grid;
}

.care-task__copy strong {
  font-size: 0.92rem;
}

.care-task__copy small {
  margin-top: 2px;
  color: color-mix(in oklch, var(--text-light) 55%, transparent);
}

.care-task__action {
  color: color-mix(in oklch, var(--text-light) 58%, transparent);
  font-size: 0.74rem;
  font-weight: 650;
}

.care-task.is-complete .care-task__check {
  border-color: var(--signal-dark);
  background: var(--signal-dark);
  color: var(--porcelain);
}

.care-task.is-complete .care-task__copy strong {
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in oklch, var(--text-light) 35%, transparent);
}

.day-strip {
  display: grid;
  grid-template-columns: repeat(28, minmax(17px, 1fr));
  gap: 5px;
}

.day-dot {
  min-width: 0;
  display: grid;
  gap: 6px;
  justify-items: center;
  color: color-mix(in oklch, var(--text-light) 44%, transparent);
  font-size: 0.58rem;
}

.day-dot::before {
  content: "";
  width: 100%;
  aspect-ratio: 1;
  max-width: 27px;
  border: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
  border-radius: 50%;
}

.day-dot.is-complete::before {
  border-color: var(--signal-dark);
  background: var(--signal-dark);
}

.day-dot.is-current::before {
  border: 2px solid var(--text-light);
  box-shadow: inset 0 0 0 3px var(--surface-light);
  background: var(--text-light);
}

.day-dot.is-future span {
  opacity: 0.62;
}

/* Progress */
.progress-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: clamp(40px, 7vw, 92px);
  border-top: 1px solid color-mix(in oklch, var(--text-light) 17%, transparent);
  border-bottom: 1px solid color-mix(in oklch, var(--text-light) 17%, transparent);
  padding: clamp(35px, 5vw, 60px) 0;
}

.progress-narrative > p {
  max-width: 22ch;
  margin: 0 0 30px;
  font-size: clamp(1.55rem, 3vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.progress-bar-large,
.head-life-track {
  height: 8px;
  overflow: hidden;
  border-radius: 99px;
  background: color-mix(in oklch, var(--text-light) 12%, transparent);
}

.progress-bar-large span,
.head-life-track span {
  width: 0;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--signal-dark);
  transition: width 260ms var(--easing);
}

.progress-narrative small {
  display: block;
  margin-top: 10px;
  color: color-mix(in oklch, var(--text-light) 54%, transparent);
}

.progress-stats {
  display: grid;
  margin: 0;
}

.progress-stats div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid color-mix(in oklch, var(--text-light) 15%, transparent);
  padding: 13px 0;
}

.progress-stats div:last-child {
  border-bottom: 0;
}

.progress-stats dt {
  color: color-mix(in oklch, var(--text-light) 59%, transparent);
  font-size: 0.78rem;
}

.progress-stats dd {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 720;
}

.calendar-legend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.calendar-legend i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--signal-dark);
}

.plan-calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-top: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
  border-left: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
}

.calendar-day {
  min-height: 102px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
  border-bottom: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
  padding: 12px;
}

.calendar-day > span:first-child {
  color: color-mix(in oklch, var(--text-light) 48%, transparent);
  font-size: 0.68rem;
}

.calendar-day strong {
  font-size: 1.1rem;
}

.calendar-day small {
  color: color-mix(in oklch, var(--text-light) 56%, transparent);
  font-size: 0.65rem;
}

.calendar-day.is-complete {
  background: color-mix(in oklch, var(--signal) 9%, var(--surface-light));
}

.calendar-day.is-current {
  box-shadow: inset 0 0 0 2px var(--text-light);
}

.session-history {
  border-top: 1px solid color-mix(in oklch, var(--text-light) 17%, transparent);
}

.history-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  min-height: 76px;
  border-bottom: 1px solid color-mix(in oklch, var(--text-light) 17%, transparent);
}

.history-row time,
.history-row small {
  color: color-mix(in oklch, var(--text-light) 58%, transparent);
  font-size: 0.75rem;
}

.history-row strong {
  font-size: 0.9rem;
}

.empty-history {
  min-height: 150px;
  display: grid;
  place-content: center;
  justify-items: center;
  border-bottom: 1px solid color-mix(in oklch, var(--text-light) 17%, transparent);
  color: color-mix(in oklch, var(--text-light) 59%, transparent);
  text-align: center;
}

.empty-history strong {
  color: var(--text-light);
}

.empty-history p {
  margin: 5px 0 0;
  font-size: 0.82rem;
}

/* Brush care */
.care-hero {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
  background: var(--ink);
  color: var(--porcelain);
}

.care-hero__image {
  min-height: 480px;
  background: var(--ink-raised);
}

.care-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.care-hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(38px, 6vw, 78px);
}

.care-hero__content h2 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2rem, 3.8vw, 3.8rem);
  font-weight: 740;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.care-hero__content > p:not(.coach-eyebrow) {
  max-width: 50ch;
  margin: 18px 0 30px;
  color: var(--porcelain-dim);
}

.head-life-meta {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  margin: 9px 0 25px;
  color: var(--mineral);
  font-size: 0.68rem;
}

.care-hero .coach-button {
  align-self: flex-start;
}

.care-guide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 54px;
  border-top: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
}

.care-guide section {
  min-height: 230px;
  border-right: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
  padding: 27px clamp(22px, 3vw, 38px) 25px 0;
}

.care-guide section + section {
  padding-left: clamp(22px, 3vw, 38px);
}

.care-guide section:last-child {
  border-right: 0;
}

.care-guide__number {
  color: color-mix(in oklch, var(--text-light) 40%, transparent);
  font-size: 0.7rem;
  font-weight: 750;
}

.care-guide h3 {
  margin: 62px 0 8px;
  font-size: 1.1rem;
}

.care-guide p {
  margin: 0;
  color: color-mix(in oklch, var(--text-light) 60%, transparent);
  font-size: 0.82rem;
}

.health-boundary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 34px;
  border: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
  border-radius: 14px;
  padding: 19px 22px;
}

.health-boundary strong {
  font-size: 0.84rem;
}

.health-boundary p {
  max-width: 65ch;
  margin: 0;
  color: color-mix(in oklch, var(--text-light) 60%, transparent);
  font-size: 0.76rem;
}

/* Profile */
.profile-form {
  border-top: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
}

.profile-section {
  display: grid;
  grid-template-columns: minmax(230px, 0.58fr) minmax(0, 1.42fr);
  gap: clamp(32px, 7vw, 90px);
  border-bottom: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
  padding: 34px 0;
}

.profile-section h2 {
  margin: 0;
  font-size: 1.22rem;
  letter-spacing: -0.025em;
}

.profile-section > div:first-child p {
  max-width: 32ch;
  margin: 7px 0 0;
  color: color-mix(in oklch, var(--text-light) 59%, transparent);
  font-size: 0.78rem;
}

.profile-fields {
  display: grid;
  gap: 15px;
}

.profile-fields--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.profile-form .coach-field input,
.profile-form .coach-field select {
  background: oklch(0.975 0.005 105);
}

.profile-goals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.profile-goal {
  position: relative;
  min-height: 48px;
  display: flex;
  align-items: center;
  border: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
}

.profile-goal input {
  width: 18px;
  height: 18px;
  margin: 0 10px 0 0;
  accent-color: var(--signal-dark);
}

.profile-goal span {
  font-size: 0.82rem;
  font-weight: 650;
}

.profile-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 30px;
}

.profile-form .coach-button--primary {
  background: var(--text-light);
  color: var(--porcelain);
}

.coach-bottom-nav {
  display: none;
}

/* Guided session */
.session-takeover,
.session-complete {
  position: fixed;
  z-index: 180;
  inset: 0;
  overflow-y: auto;
  background: var(--ink);
  color: var(--porcelain);
}

.session-header {
  min-height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px clamp(18px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
}

.session-close {
  min-height: 44px;
  border: 0;
  background: transparent;
  color: var(--silver);
  font-weight: 650;
  cursor: pointer;
}

.session-close:hover {
  color: var(--porcelain);
}

.session-layout {
  min-height: calc(100vh - var(--topbar-height));
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(390px, 1.25fr);
  grid-template-rows: 1fr auto;
  gap: 30px clamp(38px, 7vw, 100px);
  align-items: center;
  padding: clamp(36px, 6vw, 86px);
}

.session-copy h2 {
  max-width: 10ch;
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 5.5rem);
  font-weight: 740;
  letter-spacing: -0.06em;
  line-height: 0.94;
}

.session-copy > p:not(.coach-eyebrow) {
  max-width: 47ch;
  margin: 22px 0 0;
  color: var(--porcelain-dim);
}

.session-mode {
  display: grid;
  gap: 2px;
  margin-top: 32px;
}

.session-mode span {
  color: var(--mineral);
  font-size: 0.7rem;
}

.session-mode strong {
  font-size: 0.92rem;
}

.session-timer-wrap {
  display: grid;
  place-items: center;
}

.session-ring {
  width: min(52vw, 410px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--signal) var(--session-progress), color-mix(in oklch, var(--porcelain) 9%, transparent) 0);
  box-shadow: 0 28px 90px color-mix(in oklch, var(--ink) 52%, transparent);
}

.session-ring::before {
  content: "";
  width: calc(100% - 18px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--ink-raised);
}

.session-ring > div {
  position: absolute;
  z-index: 1;
  display: grid;
  justify-items: center;
}

.session-ring span {
  font-variant-numeric: tabular-nums;
  font-size: clamp(4rem, 10vw, 7.8rem);
  font-weight: 730;
  letter-spacing: -0.075em;
  line-height: 0.92;
}

.session-ring small {
  margin-top: 11px;
  color: var(--silver);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mouth-map {
  width: min(100%, 470px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 5px;
}

.mouth-map span {
  min-height: 42px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  padding: 4px;
  color: var(--mineral);
  font-size: 0.62rem;
  text-align: center;
}

.mouth-map span.is-active {
  background: var(--porcelain);
  color: var(--text-light);
  font-weight: 750;
}

.mouth-map span.is-complete {
  color: var(--signal);
}

.session-controls {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.session-complete {
  display: grid;
  place-content: center;
  justify-items: center;
  padding: 30px;
  text-align: center;
}

.session-complete__mark {
  width: 80px;
  height: 80px;
  display: grid;
  place-items: center;
  margin-bottom: 30px;
  border-radius: 50%;
  background: var(--signal-dark);
  color: var(--porcelain);
  font-size: 2rem;
}

.session-complete h2 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.session-complete p:not(.coach-eyebrow) {
  margin: 20px 0 30px;
  color: var(--porcelain-dim);
}

.noscript-message {
  position: fixed;
  z-index: 220;
  inset: 0;
  display: grid;
  place-content: center;
  padding: 30px;
  background: var(--ink);
  text-align: center;
}

.noscript-message p {
  max-width: 46ch;
  color: var(--silver);
}

@media (max-width: 1050px) {
  .coach-onboarding {
    grid-template-columns: 0.72fr 1.28fr;
  }

  .onboarding-intro {
    padding: 50px 38px;
  }

  .onboarding-form {
    padding: 46px 38px;
  }

  .coach-product {
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .today-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(240px, 0.82fr);
  }

  .day-strip {
    grid-template-columns: repeat(14, minmax(22px, 1fr));
    row-gap: 12px;
  }
}

@media (max-width: 820px) {
  :root {
    --topbar-height: 64px;
  }

  .coach-save-status,
  .coach-topbar .coach-button,
  .coach-topbar .coach-store-link {
    display: none;
  }

  .coach-onboarding {
    display: block;
  }

  .onboarding-intro {
    min-height: auto;
    padding: 48px 24px 42px;
  }

  .onboarding-intro h1 {
    max-width: 12ch;
    font-size: clamp(2.7rem, 12vw, 4.8rem);
  }

  .coach-privacy-note {
    margin-top: 28px;
  }

  .onboarding-form {
    min-height: calc(100vh - var(--topbar-height));
    justify-content: flex-start;
    padding: 36px 22px 42px;
  }

  .model-option__media {
    height: 240px;
  }

  .coach-product {
    display: block;
    padding-bottom: var(--bottom-nav-height);
  }

  .coach-sidebar {
    display: none;
  }

  .coach-view {
    min-height: calc(100vh - var(--topbar-height) - var(--bottom-nav-height));
    padding: 31px 20px 48px;
  }

  .view-heading {
    align-items: flex-start;
  }

  .view-heading h1 {
    font-size: clamp(2.2rem, 10vw, 3.5rem);
  }

  .view-install-button {
    display: inline-flex;
    min-width: 44px;
    min-height: 44px;
    overflow: hidden;
    padding: 0 14px;
  }

  .today-hero {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .today-hero__content {
    order: 2;
    padding: 31px 25px 34px;
  }

  .today-hero__product {
    min-height: 300px;
    order: 1;
  }

  .today-hero__product img {
    width: min(78%, 340px);
    height: 94%;
  }

  .care-actions {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .progress-overview,
  .care-hero {
    grid-template-columns: 1fr;
  }

  .care-hero__image {
    min-height: 370px;
  }

  .care-guide {
    grid-template-columns: 1fr;
  }

  .care-guide section,
  .care-guide section + section {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid color-mix(in oklch, var(--text-light) 16%, transparent);
    padding: 26px 0;
  }

  .care-guide section:last-child {
    border-bottom: 0;
  }

  .care-guide h3 {
    margin-top: 25px;
  }

  .health-boundary {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .profile-section {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .coach-bottom-nav {
    position: fixed;
    z-index: 90;
    right: 0;
    bottom: 0;
    left: 0;
    height: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    padding: 7px 6px env(safe-area-inset-bottom);
    background: var(--ink);
  }

  .coach-bottom-nav button {
    min-width: 0;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 4px;
    border: 0;
    border-radius: 10px;
    padding: 4px;
    background: transparent;
    color: var(--mineral);
    cursor: pointer;
  }

  .coach-bottom-nav button.is-active {
    color: var(--porcelain);
  }

  .coach-bottom-nav span {
    overflow: hidden;
    font-size: 0.59rem;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .session-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    padding: 34px 20px 45px;
  }

  .session-copy {
    text-align: center;
  }

  .session-copy h2,
  .session-copy > p:not(.coach-eyebrow) {
    margin-right: auto;
    margin-left: auto;
  }

  .session-mode {
    justify-items: center;
  }

  .session-ring {
    width: min(78vw, 390px);
  }

  .session-controls {
    grid-column: auto;
  }
}

@media (max-width: 580px) {
  .coach-topbar {
    padding-right: 18px;
    padding-left: 18px;
  }

  .coach-brand {
    font-size: 0.98rem;
  }

  .model-picker,
  .goal-picker,
  .time-grid,
  .profile-fields--two,
  .profile-goals {
    grid-template-columns: 1fr;
  }

  .model-option {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: center;
  }

  .model-option__media {
    height: 145px;
  }

  .model-option__copy {
    padding: 18px 46px 18px 16px;
  }

  .segmented-choice {
    grid-template-columns: 1fr;
  }

  .segmented-choice span {
    justify-content: start;
    padding-left: 16px;
  }

  .onboarding-actions {
    flex-direction: column-reverse;
  }

  .onboarding-actions .coach-button {
    width: 100%;
  }

  .today-hero__product {
    min-height: 250px;
  }

  .routine-row {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 13px;
    padding: 16px 0;
  }

  .routine-row__state {
    grid-column: 2;
    min-width: 0;
    justify-self: start;
  }

  .section-heading-inline {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .day-strip {
    grid-template-columns: repeat(7, minmax(22px, 1fr));
  }

  .progress-overview {
    gap: 30px;
  }

  .calendar-day {
    min-height: 74px;
    padding: 8px;
  }

  .calendar-day small {
    display: none;
  }

  .history-row {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 12px;
    padding: 12px 0;
  }

  .history-row small {
    grid-column: 2;
  }

  .profile-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .session-header {
    padding-right: 18px;
    padding-left: 18px;
  }

  .session-copy h2 {
    font-size: clamp(2.55rem, 14vw, 4.2rem);
  }

  .session-ring span {
    font-size: clamp(4rem, 22vw, 6.6rem);
  }

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

  .session-controls {
    flex-direction: column;
  }

  .session-controls .coach-button {
    width: 100%;
  }
}

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

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