:root {
  --paper: #f3f2ec;
  --ink: #151512;
  --muted: #77766f;
  --line: #b9b7af;
  --soft: #e8e6de;
  --wash: rgba(255, 255, 255, .38);
  --mono: "IBM Plex Mono Embedded", "Noto Sans SC Embedded", monospace;
  --display: "Space Mono Embedded", "Noto Sans SC Embedded", monospace;
  --shell: min(1060px, calc(100vw - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 10%, rgba(0, 0, 0, .025) 0 1px, transparent 1.5px) 0 0 / 7px 7px,
    var(--paper);
  font: 400 14px/1.65 var(--mono);
  -webkit-font-smoothing: antialiased;
}
body[data-lang="en"] .zh,
body[data-lang="zh"] .en { display: none !important; }
button, textarea { color: inherit; font: inherit; }
button, summary { cursor: pointer; }
a { color: inherit; text-underline-offset: 4px; }
button:focus-visible, a:focus-visible, summary:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}
::selection { color: var(--paper); background: var(--ink); }
h1, h2, h3, p { margin-top: 0; }
.shell { width: var(--shell); margin-inline: auto; }

.progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 60;
  width: 0;
  height: 3px;
  background: var(--ink);
}
.noise {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
}
.pixel-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.pixel-icon {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  overflow: visible;
  color: var(--ink);
  fill: currentColor;
  shape-rendering: crispEdges;
  transform-origin: center;
}
.pixel-frame { opacity: 1; }
.pixel-frame-b { opacity: 0; }
.pixel-drift { animation: pixel-drift 3.2s steps(2, end) infinite; }
.pixel-pulse { animation: pixel-pulse 1.5s steps(2, end) infinite; }
.pixel-gauge { animation: pixel-gauge 2.6s steps(2, end) infinite; }
.pixel-walk .pixel-frame-a, .pixel-curve .pixel-frame-a { animation: pixel-frame-a 1.1s steps(1, end) infinite; }
.pixel-walk .pixel-frame-b, .pixel-curve .pixel-frame-b { animation: pixel-frame-b 1.1s steps(1, end) infinite; }
.pixel-flame { animation: pixel-flame 1.4s steps(2, end) infinite; }
.pixel-spark { animation: pixel-spark 2.8s steps(2, end) infinite; }
@keyframes pixel-drift { 0%, 72%, 100% { transform: translateY(0); } 82% { transform: translateY(-2px); } }
@keyframes pixel-pulse { 0%, 64%, 100% { transform: scale(1); } 72% { transform: scale(1.08); } 82% { transform: scale(.96); } }
@keyframes pixel-gauge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(2px); } }
@keyframes pixel-frame-a { 0%, 49.9% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes pixel-frame-b { 0%, 49.9% { opacity: 0; } 50%, 100% { opacity: 1; } }
@keyframes pixel-flame { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-2px); } }
@keyframes pixel-spark { 0%, 100% { opacity: .65; } 50% { opacity: 1; } }

.site-head {
  height: 86px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: .08em;
}
.return-link { display: inline-flex; align-items: center; gap: 10px; justify-self: start; text-decoration: none; }
.return-logo {
  display: block;
  width: 52px;
  height: 52px;
  object-fit: contain;
  filter: grayscale(1) contrast(1.8) brightness(.8);
}
.return-copy { color: var(--muted); font-size: 9px; }
.return-link:hover .return-logo { filter: grayscale(1) contrast(2.2) brightness(.35); }
.section-nav { display: flex; align-items: center; gap: 10px; }
.section-nav a { text-decoration: none; }
.section-nav a:hover { text-decoration: underline; }
.lang-switch {
  justify-self: end;
  padding: 6px 8px;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
}
.lang-switch:hover { color: var(--paper); background: var(--ink); }
.ticker { overflow: hidden; border-bottom: 1px solid var(--line); white-space: nowrap; }
.ticker-track {
  width: max-content;
  padding: 8px 0;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .14em;
  animation: ticker 24s linear infinite;
}
@keyframes ticker { to { transform: translateX(-50%); } }

.intro {
  position: relative;
  isolation: isolate;
  min-height: 640px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  align-content: center;
  gap: 28px clamp(46px, 8vw, 100px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-pattern {
  position: absolute;
  inset: 22px -14vw;
  z-index: -1;
  display: grid;
  align-content: space-around;
  overflow: hidden;
  color: rgba(21, 21, 18, .04);
  font: 400 clamp(34px, 5.8vw, 76px)/1 var(--display);
  letter-spacing: .16em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}
.hero-pattern span:nth-child(even) { transform: translateX(8vw); }
.intro-index {
  grid-column: 1 / -1;
  width: max-content;
  max-width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 8px 12px;
  color: var(--paper);
  background: var(--ink);
  font-size: 9px;
  letter-spacing: .11em;
}
.sample-label { margin-left: 0; }
.intro-copy-block { align-self: center; }
.eyebrow {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .15em;
}
h1 {
  width: max-content;
  max-width: 100%;
  margin-bottom: 28px;
  padding: .04em .18em .1em;
  color: var(--paper);
  background: var(--ink);
  font: 700 clamp(38px, 6vw, 68px)/1.03 var(--display);
  letter-spacing: -.065em;
}
.intro-copy { max-width: 610px; margin: 0; font-size: 15px; }
.readiness-ring {
  position: relative;
  align-self: center;
  min-height: 250px;
  border: 1px solid var(--ink);
  background: var(--paper) !important;
}
.readiness-ring::before {
  position: absolute;
  inset: -8px 8px 8px -8px;
  z-index: -1;
  content: "";
  border: 1px solid var(--line);
}
.readiness { min-height: 248px; display: flex; flex-direction: column; justify-content: space-between; padding: 22px; }
.metric-index { font-size: 9px; letter-spacing: .1em; }
.readiness strong {
  font: 400 clamp(50px, 6vw, 76px)/.9 var(--display);
  letter-spacing: -.09em;
}
.readiness-value { display: flex; align-items: center; gap: 10px; }
.readiness-value .pixel-icon { width: 24px; height: 24px; flex-basis: 24px; }
.readiness > div { display: flex; flex-direction: column; font-size: 9px; letter-spacing: .1em; }
.readiness small { margin-top: 5px; color: var(--muted); font-size: 8px; letter-spacing: .04em; }
.system-status {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  border-top: 1px solid var(--line);
}
#sync-status, #agent-status {
  margin: 0;
  padding-top: 14px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .03em;
  white-space: pre-line;
}
#sync-status {
  color: var(--ink);
  font: 700 11px/1.7 var(--display);
  letter-spacing: .015em;
}
#agent-status { color: var(--ink); text-align: right; }
.intro-summary {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--ink);
}
.intro-summary article {
  min-height: 116px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: center;
  column-gap: 16px;
  padding: 20px 24px;
}
.intro-summary article:first-child { padding-left: 0; }
.intro-summary article + article { border-left: 1px solid var(--ink); }
.intro-summary article > span, .intro-summary small { color: var(--muted); font-size: 8px; letter-spacing: .1em; }
.metric-value { display: flex; align-items: center; gap: 8px; min-width: 0; color: var(--ink); }
.intro-summary .metric-value {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
}
.intro-summary .metric-value strong {
  font: 400 clamp(25px, 3.4vw, 40px)/1 var(--display);
  letter-spacing: -.08em;
  white-space: nowrap;
}
.daily-vitals {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--ink);
}
.daily-vitals article {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 5px 10px;
  padding: 16px 20px;
}
.daily-vitals article:first-child { padding-left: 0; }
.daily-vitals article + article { border-left: 1px solid var(--ink); }
.daily-vitals article > span { grid-column: 1 / -1; color: var(--muted); font-size: 7px; letter-spacing: .08em; }
.daily-vitals .metric-value { grid-column: 1; }
.daily-vitals .pixel-icon { width: 24px; height: 24px; flex-basis: 24px; }
.daily-vitals strong { min-width: 0; font: 400 clamp(23px, 3vw, 34px)/1 var(--display); letter-spacing: -.07em; overflow-wrap: anywhere; }
.daily-vitals small { color: var(--muted); font-size: 7px; letter-spacing: .08em; }

.section-grid {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 40px;
  padding: 100px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 24px;
}
.section-label { padding-top: 7px; color: var(--muted); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; }
.section-label > span { display: block; margin-bottom: 10px; color: var(--ink); font: 400 12px/1 var(--display); }
.section-label p { margin: 0; }
.section-body { min-width: 0; }
.heading-row { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
h2 {
  margin: 0;
  font: 700 clamp(24px, 3vw, 38px)/1.18 var(--display);
  letter-spacing: -.035em;
}
.big-metric, .step-readout { display: flex; flex-direction: column; align-items: flex-end; flex: 0 0 auto; }
.big-metric strong, .step-readout strong { font: 400 clamp(32px, 4.5vw, 52px)/1 var(--display); letter-spacing: -.09em; white-space: nowrap; }
.big-metric > span, .step-readout > span { margin-top: 8px; color: var(--muted); font-size: 8px; letter-spacing: .1em; }

.sleep-panel { border-top: 1px solid var(--ink); }
.sleep-overview {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--ink);
}
.sleep-window { display: flex; align-items: center; gap: 18px; margin: 0; }
.sleep-window > span { display: flex; flex-direction: column; color: var(--muted); font-size: 8px; letter-spacing: .08em; }
.sleep-window b { margin-top: 5px; color: var(--ink); font: 700 16px/1 var(--display); letter-spacing: -.04em; }
.sleep-window > i { width: 42px; height: 1px; background: var(--ink); }
.sleep-window-note { max-width: 360px; margin: 0; color: var(--muted); font-size: 9px; text-align: right; }
.stage-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--ink); }
.stage-card {
  position: relative;
  min-height: 156px;
  padding: 20px;
  overflow: hidden;
  text-align: left;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.stage-card + .stage-card { border-left: 1px solid var(--ink); }
.stage-card::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  opacity: 0;
  background: var(--ink);
  transition: opacity .18s ease;
}
.stage-card:hover::before, .stage-card[aria-pressed="true"]::before { opacity: 1; }
.stage-card:hover, .stage-card[aria-pressed="true"] { color: var(--paper); }
.stage-card-label, .stage-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 9px; letter-spacing: .08em; }
.stage-card-label { justify-content: flex-start; }
.stage-card-label i, .lane-label i { width: 8px; height: 8px; flex: 0 0 auto; border: 1px solid currentColor; }
.stage-card[data-stage="deep"] .stage-card-label i { background: currentColor; }
.stage-card[data-stage="light"] .stage-card-label i { background: linear-gradient(135deg, transparent 38%, currentColor 40% 60%, transparent 62%); }
.stage-card[data-stage="rem"] .stage-card-label i { border-radius: 50%; background: currentColor; }
.stage-card > strong { display: block; margin: 22px 0; font: 400 clamp(24px, 3vw, 34px)/1 var(--display); letter-spacing: -.08em; white-space: nowrap; }
.stage-card-foot { color: var(--muted); }
.stage-card:hover .stage-card-foot, .stage-card[aria-pressed="true"] .stage-card-foot { color: #bbb9b0; }
.stage-meter {
  --meter-on: var(--ink);
  --meter-off: #aaa89f;
  position: absolute;
  inset: auto 20px 14px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--meter-off) 0 6px, transparent 6px 9px);
}
.stage-meter i {
  display: block;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--meter-on) 0 6px, transparent 6px 9px);
}
.stage-card:hover .stage-meter,
.stage-card[aria-pressed="true"] .stage-meter { --meter-on: var(--paper); --meter-off: #66655f; }
.timeline-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin: 42px 0 20px; }
.timeline-heading h3 { margin: 0; font: 700 14px/1.3 var(--display); }
.timeline-heading > span { color: var(--muted); font-size: 8px; letter-spacing: .09em; }
.sleep-timeline { --label: 80px; }
.sleep-lane { display: grid; grid-template-columns: var(--label) minmax(0, 1fr); align-items: center; height: 38px; transition: opacity .18s ease; }
.sleep-lane.is-muted { opacity: .22; }
.lane-label { display: flex; align-items: center; gap: 8px; font-size: 9px; }
.sleep-lane[data-stage="deep"] .lane-label i { background: var(--ink); }
.sleep-lane[data-stage="rem"] .lane-label i { border-radius: 50%; background: var(--ink); }
.lane-track {
  position: relative;
  height: 27px;
  border-block: 1px solid var(--line);
  background: repeating-linear-gradient(90deg, transparent 0 calc(25% - 1px), rgba(21, 21, 18, .12) calc(25% - 1px) 25%);
}
.live-sleep-block {
  position: absolute;
  top: 4px;
  min-width: 2px;
  height: 17px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: #77766f;
}
.sleep-lane[data-stage="deep"] .live-sleep-block { background: var(--ink); }
.sleep-lane[data-stage="light"] .live-sleep-block { background: #8f8d85; }
.sleep-lane[data-stage="rem"] .live-sleep-block { background: repeating-linear-gradient(135deg, var(--ink) 0 2px, transparent 2px 4px); border: 1px solid var(--ink); }
.sleep-lane[data-stage="awake"] .live-sleep-block { background: var(--paper); border: 1px solid var(--ink); }
.live-sleep-block:hover, .live-sleep-block[aria-pressed="true"] { outline: 2px solid var(--ink); outline-offset: 2px; z-index: 2; }
.timeline-axis { display: flex; justify-content: space-between; padding-left: var(--label); margin-top: 8px; color: var(--muted); font-size: 8px; }
.interval-readout { min-height: 36px; margin: 22px 0 0; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.sleep-foot { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 24px; border-block: 1px solid var(--ink); }
.sleep-foot > span { display: flex; flex-direction: column; gap: 8px; padding: 16px 20px; color: var(--muted); font-size: 8px; letter-spacing: .08em; }
.sleep-foot > span:first-child { padding-left: 0; }
.sleep-foot > span + span { border-left: 1px solid var(--ink); }
.sleep-foot b { color: var(--ink); font-size: 11px; font-weight: 500; letter-spacing: 0; }

.step-chart-wrap { position: relative; height: 300px; padding-top: 28px; border-block: 1px solid var(--ink); }
.step-chart { height: 100%; display: grid; grid-template-columns: repeat(auto-fit, minmax(28px, 62px)); align-items: stretch; gap: clamp(6px, 1vw, 12px); overflow-x: auto; }
.step-day { min-width: 16px; height: 100%; display: grid; grid-template-rows: 1fr 40px; gap: 8px; padding: 0; border: 0; background: transparent; }
.step-bar-track { position: relative; display: flex; min-height: 0; align-items: flex-end; }
.step-bar { display: block; width: 100%; height: var(--height); min-height: 1px; background: var(--line); transition: background .18s ease; }
.step-day:hover .step-bar, .step-day[aria-pressed="true"] .step-bar { background: var(--ink); }
.step-day > span:last-child { overflow: hidden; color: var(--muted); font-size: 8px; white-space: nowrap; writing-mode: vertical-rl; }
.goal-line { position: absolute; inset: 50% 0 auto; z-index: 2; border-top: 1px dashed var(--muted); pointer-events: none; }
.goal-line > span { position: absolute; right: 0; bottom: 4px; padding-left: 6px; color: var(--muted); background: var(--paper); font-size: 8px; }
.step-summary { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 24px; border-bottom: 1px solid var(--ink); }
.step-summary p { display: flex; flex-direction: column; gap: 9px; margin: 0; padding: 0 20px 18px; color: var(--muted); font-size: 8px; letter-spacing: .08em; }
.step-summary p:first-child { padding-left: 0; }
.step-summary p + p { border-left: 1px solid var(--ink); }
.step-summary strong { color: var(--ink); font: 400 clamp(14px, 2vw, 21px)/1.3 var(--display); letter-spacing: -.04em; overflow-wrap: anywhere; }

.expand-note, .empty-note { margin: 0; color: var(--muted); font-size: 9px; letter-spacing: .05em; }
.activity-list { border-top: 1px solid var(--ink); }
.live-workout { border-bottom: 1px solid var(--ink); }
.live-workout summary {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto 24px;
  gap: 20px;
  align-items: center;
  min-height: 94px;
  padding: 18px 0;
  list-style: none;
}
.live-workout summary::-webkit-details-marker { display: none; }
.live-workout summary::after { content: "+"; font: 400 22px/1 var(--display); }
.live-workout[open] summary::after { content: "−"; }
.live-workout summary:hover { padding-inline: 12px; background: var(--wash); }
.workout-index { color: var(--muted); font-size: 9px; }
.workout-title { font: 700 16px/1.35 var(--display); }
.workout-date { color: var(--muted); font-size: 9px; }
.workout-duration { font: 400 18px/1 var(--display); }
.workout-detail { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(200px, .75fr); gap: 28px; padding: 8px 0 30px; }
.route-map { position: relative; min-height: 260px; border: 1px solid var(--ink); background: var(--soft); }
.route-map::before { position: absolute; inset: 0; content: ""; background: radial-gradient(circle, rgba(21,21,18,.12) 0 1px, transparent 1.5px) 0 0 / 8px 8px; }
.route-map svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.route-path { fill: none; stroke: var(--ink); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.route-point { fill: var(--paper); stroke: var(--ink); stroke-width: 3; }
.route-empty { display: grid; min-height: 260px; place-items: center; border: 1px solid var(--line); color: var(--muted); font-size: 9px; }
.workout-meta { margin: 0; }
.workout-meta > div { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.workout-meta dt { color: var(--muted); font-size: 8px; letter-spacing: .06em; }
.workout-meta dd { margin: 0; font-size: 10px; text-align: right; }

.nudge-label { display: block; margin-bottom: 10px; color: var(--muted); font-size: 8px; letter-spacing: .1em; }
#nudge textarea {
  display: block;
  width: 100%;
  min-height: 132px;
  resize: vertical;
  padding: 22px;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--paper);
  box-shadow: 8px 8px 0 var(--ink);
  font-size: 17px;
  line-height: 1.7;
  caret-color: var(--ink);
}
#nudge textarea::selection { color: var(--paper); background: var(--ink); }
.nudge-buttons { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; }
.nudge-buttons button {
  min-height: 50px;
  padding: 12px 18px;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
}
.nudge-buttons button:hover { color: var(--paper); background: var(--ink); }
.nudge-buttons .send-button { min-width: min(100%, 300px); color: var(--paper); background: var(--ink); }
.nudge-buttons .send-button:hover { color: var(--ink); background: var(--paper); }
.nudge-buttons button:disabled { opacity: .35; cursor: wait; }
#ai-status, #nudge-result { margin: 24px 0 0; color: var(--muted); font-size: 9px; }
.history-drawer { margin-top: 34px; border-top: 1px solid var(--ink); }
.history-drawer summary { padding: 14px 0; list-style: none; font-size: 9px; letter-spacing: .08em; }
.history-drawer summary::after { float: right; content: "+"; }
.history-drawer[open] summary::after { content: "−"; }
#reminder-history { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
#reminder-history li { padding: 12px 0; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 9px; overflow-wrap: anywhere; }

.site-foot { display: flex; justify-content: space-between; gap: 24px; padding: 60px 0; font-size: 9px; }
.site-foot p { margin: 0; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .pixel-icon, .pixel-frame { animation: none; }
  .pixel-frame-b { opacity: 0; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 28px, 680px); }
  body { font-size: 13px; }
  .site-head { height: 72px; grid-template-columns: 1fr auto; }
  .section-nav { display: none; }
  .return-logo { width: 46px; height: 46px; }
  .intro { min-height: auto; grid-template-columns: 1fr 150px; gap: 28px 24px; padding: 54px 0 68px; }
  .hero-pattern { inset: 12px -70vw; font-size: 42px; }
  .intro-index { flex-wrap: wrap; gap: 8px 14px; }
  .sample-label { margin-left: 0; }
  h1 { font-size: clamp(34px, 10vw, 52px); }
  .readiness-ring { min-height: 170px; }
  .readiness { min-height: 168px; padding: 16px; }
  .readiness strong { font-size: 43px; }
  .readiness-value { gap: 7px; }
  .readiness-value .pixel-icon { width: 24px; height: 24px; flex-basis: 24px; }
  .intro-summary article { min-height: 96px; padding: 14px; }
  .intro-summary article:first-child { padding-left: 0; }
  .intro-summary .metric-value { gap: 6px; }
  .intro-summary .metric-value .pixel-icon { width: 24px; height: 24px; flex-basis: 24px; }
  .intro-summary .metric-value strong { font-size: 24px; }
  .daily-vitals { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .daily-vitals article:nth-child(3) { border-left: 0; border-top: 1px solid var(--ink); padding-left: 0; }
  .daily-vitals article:nth-child(4) { border-top: 1px solid var(--ink); }
  .section-grid { grid-template-columns: 1fr; gap: 28px; padding: 68px 0; }
  .section-label { display: flex; align-items: baseline; gap: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
  .section-label > span { margin: 0; }
  .sleep-overview { align-items: flex-start; flex-direction: column; }
  .sleep-window-note { text-align: left; }
  .stage-card { padding: 16px 12px; }
  .stage-card > strong { font-size: 24px; }
  .sleep-foot > span { padding-inline: 12px; }
  .step-chart { grid-template-columns: repeat(auto-fit, minmax(28px, 54px)); }
  .live-workout summary { grid-template-columns: 36px minmax(0, 1fr) auto 18px; gap: 12px; }
  .workout-detail { grid-template-columns: 1fr; }
  .site-foot { flex-direction: column; gap: 2px; }
}

@media (max-width: 480px) {
  .return-copy { display: none; }
  .intro { grid-template-columns: 1fr 112px; gap: 24px 16px; }
  .intro-index { grid-column: 1 / -1; font-size: 8px; }
  .intro-copy { font-size: 12px; }
  .readiness-ring, .readiness { min-height: 126px; }
  .readiness { padding: 11px; }
  .readiness strong { font-size: 34px; }
  .readiness-value .pixel-icon { width: 24px; height: 24px; flex-basis: 24px; }
  .readiness > div { font-size: 7px; }
  .readiness small { display: none; }
  #sync-status { font-size: 10px; }
  .system-status { grid-template-columns: 1fr; gap: 0; }
  #agent-status { padding-bottom: 12px; text-align: left; }
  .intro-summary article { display: flex; flex-direction: column; gap: 4px; padding-inline: 8px; }
  .intro-summary .metric-value { gap: 3px; }
  .intro-summary .metric-value .pixel-icon { width: 24px; height: 24px; flex-basis: 24px; }
  .intro-summary .metric-value strong { order: 1; font-size: 19px; }
  .intro-summary small { order: 2; }
  .heading-row { align-items: flex-start; flex-wrap: wrap; }
  .big-metric, .step-readout { align-items: flex-start; }
  .stage-cards { grid-template-columns: 1fr; }
  .stage-card { min-height: 94px; display: grid; grid-template-columns: 1fr auto 34px; align-items: center; gap: 10px; }
  .stage-card + .stage-card { border-left: 0; border-top: 1px solid var(--ink); }
  .stage-card > strong { margin: 0; }
  .stage-card-foot > span, .stage-meter { display: none; }
  .sleep-timeline { --label: 60px; }
  .lane-label { font-size: 8px; }
  .timeline-axis span:nth-child(even) { display: none; }
  .sleep-foot > span { padding-inline: 7px; font-size: 7px; }
  .step-chart-wrap { height: 250px; }
  .step-summary p { padding-inline: 8px; }
  .step-summary strong { font-size: 13px; }
  .expand-note { display: none; }
  .live-workout summary { grid-template-columns: 28px minmax(0, 1fr) 18px; }
  .workout-duration { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}