:root {
  color-scheme: light;
  --paper: oklch(0.955 0.012 95);
  --paper-deep: oklch(0.912 0.018 95);
  --ink: oklch(0.265 0.025 155);
  --muted: oklch(0.49 0.026 155);
  --line: oklch(0.82 0.026 105);
  --sage: oklch(0.48 0.09 155);
  --sage-soft: oklch(0.89 0.045 155);
  --clay: oklch(0.58 0.13 40);
  --danger: oklch(0.49 0.16 28);
  --focus: oklch(0.6 0.15 240);
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --font-body: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-4xl: 64px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --shadow: 0 24px 60px oklch(0.28 0.03 155 / 0.1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { min-height: 100%; background: var(--paper); }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, transparent 0 72%, oklch(0.89 0.04 155 / 0.34) 72% 73%, transparent 73%),
    var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
}

button, input, select, textarea { font: inherit; }
button, select, input[type="range"] { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: var(--space-md);
  left: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.app-shell { min-height: 100vh; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: var(--space-lg) clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: var(--space-md); font-size: .82rem; font-weight: 700; letter-spacing: .08em; }
.brand small { display: block; margin-top: 2px; color: var(--muted); font-size: .7rem; font-weight: 500; letter-spacing: 0; }
.brand-mark {
  display: grid;
  width: 38px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--sage);
  border-radius: 50%;
  color: var(--sage);
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.session-tools { display: flex; gap: var(--space-sm); }
.session-tools[hidden] { display: none; }

.screen { display: none; min-height: calc(100vh - 82px); padding: clamp(32px, 6vw, 96px) clamp(20px, 6vw, 96px); }
.screen.is-active { display: block; animation: reveal .55s cubic-bezier(.22, 1, .36, 1) both; }
@keyframes reveal { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.welcome-layout, .summary-layout {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(340px, 1.12fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: start;
  max-width: 1260px;
  margin: 0 auto;
}
.welcome-copy { position: sticky; top: 128px; }
.eyebrow { margin: 0 0 var(--space-lg); color: var(--clay); font-size: .73rem; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 500; line-height: 1.03; text-wrap: balance; }
h1 { max-width: 8ch; font-size: clamp(3.6rem, 7vw, 6.9rem); letter-spacing: -.055em; }
h2 { max-width: 16ch; font-size: clamp(2.5rem, 5vw, 5.2rem); letter-spacing: -.045em; }
h3 { font-size: 1.3rem; }
.lede { max-width: 58ch; margin: var(--space-xl) 0 0; color: var(--muted); font-size: 1.14rem; }
.privacy-note { display: flex; max-width: 420px; gap: var(--space-md); margin-top: var(--space-3xl); padding-top: var(--space-lg); border-top: 1px solid var(--line); color: var(--muted); }
.privacy-note span { color: var(--sage); font-size: 1.6rem; line-height: 1; }
.privacy-note p { margin: 0; font-size: .9rem; }

.setup { display: grid; gap: var(--space-2xl); padding: clamp(24px, 4vw, 48px); border: 1px solid var(--line); border-radius: var(--radius-md); background: oklch(0.98 0.008 95); box-shadow: var(--shadow); }
fieldset { display: grid; gap: var(--space-md); min-width: 0; margin: 0; padding: 0; border: 0; }
legend { margin-bottom: var(--space-lg); font-family: var(--font-display); font-size: 1.55rem; }
.range-heading { display: flex; justify-content: space-between; gap: var(--space-md); margin-top: var(--space-sm); font-weight: 650; }
.range-heading output { min-width: 2ch; color: var(--sage); font-family: var(--font-display); font-size: 1.3rem; text-align: right; }
.range-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: .72rem; }
input[type="range"] { width: 100%; accent-color: var(--sage); }
.focus-options { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
.focus-options label { position: relative; }
.focus-options input { position: absolute; opacity: 0; }
.focus-options span { display: grid; min-height: 92px; align-content: center; gap: var(--space-xs); padding: var(--space-lg); border: 1px solid var(--line); border-radius: var(--radius-sm); transition: border-color .18s, background .18s, transform .18s; }
.focus-options small { color: var(--muted); line-height: 1.3; }
.focus-options input:checked + span { border-color: var(--sage); background: var(--sage-soft); transform: translateY(-2px); }
.focus-options input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }
.setup-footer { display: flex; align-items: end; justify-content: space-between; gap: var(--space-lg); padding-top: var(--space-lg); border-top: 1px solid var(--line); }
.duration-label { display: grid; gap: var(--space-sm); color: var(--muted); font-size: .8rem; }
select, textarea { border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--ink); background: var(--paper); }
select { padding: var(--space-sm) var(--space-xl) var(--space-sm) var(--space-md); }

.primary-button, .quiet-button, .pause-button, .stop-button, .text-button, .danger-button {
  min-height: 46px;
  border: 0;
  border-radius: 999px;
  transition: transform .18s cubic-bezier(.22, 1, .36, 1), background .18s, color .18s;
}
.primary-button { padding: var(--space-md) var(--space-xl); color: var(--paper); background: var(--ink); font-weight: 700; }
.primary-button:hover, .danger-button:hover { transform: translateY(-2px); }
.quiet-button, .pause-button { padding: var(--space-sm) var(--space-lg); border: 1px solid var(--line); color: var(--ink); background: transparent; }
.pause-button { border-color: var(--sage); }
.text-button { padding: var(--space-sm) var(--space-md); color: var(--muted); background: transparent; }
.danger-button { padding: var(--space-md) var(--space-xl); color: var(--paper); background: var(--danger); font-weight: 700; }

.session-screen.is-active { display: grid; grid-template-columns: 240px minmax(0, 760px); justify-content: center; gap: clamp(48px, 8vw, 120px); }
.progress-rail { align-self: start; position: sticky; top: 120px; }
.timer span { display: block; font-family: var(--font-display); font-size: 3.4rem; letter-spacing: -.04em; line-height: 1; }
.timer small { color: var(--muted); }
.progress-rail ol { display: grid; gap: var(--space-md); margin: var(--space-2xl) 0; padding: 0; list-style: none; }
.progress-rail li { display: flex; align-items: center; gap: var(--space-md); color: var(--muted); font-size: .82rem; }
.progress-rail li::before { content: ""; width: 8px; height: 8px; border: 1px solid var(--line); border-radius: 50%; }
.progress-rail li.is-current { color: var(--ink); font-weight: 700; }
.progress-rail li.is-current::before { border-color: var(--clay); background: var(--clay); }
.progress-rail li.is-done::before { border-color: var(--sage); background: var(--sage); }
.stop-button { width: 100%; padding: var(--space-sm) var(--space-md); border: 1px solid color-mix(in oklch, var(--danger) 55%, var(--paper)); color: var(--danger); background: transparent; font-size: .78rem; }
.exercise { align-self: start; max-width: 760px; }
.instruction { max-width: 60ch; margin: var(--space-xl) 0 var(--space-2xl); color: var(--muted); font-size: 1.08rem; }
.exercise-body { min-height: 270px; }
.exercise-actions { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); margin-top: var(--space-3xl); padding-top: var(--space-lg); border-top: 1px solid var(--line); }
.breathing-orbit { display: grid; width: min(52vw, 250px); aspect-ratio: 1; margin: var(--space-xl) auto; place-items: center; border: 1px solid var(--sage); border-radius: 50%; }
.breathing-orbit::before { content: ""; width: 62%; aspect-ratio: 1; border-radius: 50%; background: var(--sage-soft); animation: breathe 8s cubic-bezier(.45, 0, .55, 1) infinite; }
@keyframes breathe { 0%, 100% { transform: scale(.65); opacity: .55; } 50% { transform: scale(1); opacity: 1; } }
.prompt-stack { display: grid; gap: var(--space-xl); }
.prompt-group { display: grid; gap: var(--space-sm); }
.prompt-group label { font-family: var(--font-display); font-size: 1.25rem; }
.prompt-group textarea { width: 100%; min-height: 92px; padding: var(--space-lg); resize: vertical; }
.choice-list { display: grid; gap: var(--space-sm); }
.choice-list label { display: flex; gap: var(--space-md); align-items: flex-start; padding: var(--space-lg) 0; border-bottom: 1px solid var(--line); }
.choice-list input { margin-top: 5px; accent-color: var(--sage); }
.phrase { max-width: 30ch; margin: var(--space-2xl) 0; color: var(--sage); font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 3.4rem); line-height: 1.08; }

.summary-form { display: grid; gap: var(--space-xl); padding: clamp(24px, 4vw, 48px); border: 1px solid var(--line); border-radius: var(--radius-md); background: oklch(0.98 0.008 95); }
.summary-form label { font-family: var(--font-display); font-size: 1.35rem; }
.summary-form textarea { width: 100%; padding: var(--space-lg); resize: vertical; }
.result-sheet { max-width: 820px; margin: 0 auto; }
.result-metrics { display: flex; gap: var(--space-3xl); margin: var(--space-3xl) 0; padding: var(--space-xl) 0; border-block: 1px solid var(--line); }
.result-metrics div { min-width: 150px; }
.result-metrics dt { color: var(--muted); font-size: .78rem; }
.result-metrics dd { margin: var(--space-xs) 0 0; font-family: var(--font-display); font-size: 2rem; }
.reflection-result { margin-top: var(--space-2xl); }
.reflection-result p { max-width: 65ch; color: var(--muted); font-size: 1.08rem; }
.erase-note { margin-top: var(--space-3xl); color: var(--muted); font-size: .78rem; }
.result-actions, .safety-actions { display: flex; gap: var(--space-md); margin-top: var(--space-xl); }

dialog { max-width: 560px; padding: var(--space-2xl); border: 1px solid var(--line); border-radius: var(--radius-md); color: var(--ink); background: var(--paper); box-shadow: var(--shadow); }
dialog::backdrop { background: oklch(0.2 0.02 155 / .48); }
dialog h2 { font-size: 2.7rem; }
dialog p:not(.eyebrow) { color: var(--muted); }

@media (max-width: 840px) {
  body { background: var(--paper); }
  .welcome-layout, .summary-layout { grid-template-columns: 1fr; gap: var(--space-3xl); }
  .welcome-copy { position: static; }
  h1 { max-width: 10ch; }
  .session-screen.is-active { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .progress-rail { position: static; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: var(--space-lg); }
  .progress-rail ol { grid-column: 1 / -1; display: flex; overflow: hidden; margin: 0; }
  .progress-rail li { font-size: 0; gap: var(--space-xs); }
  .progress-rail li::before { width: 10px; height: 10px; }
  .stop-button { width: auto; }
}

@media (max-width: 560px) {
  .topbar { min-height: 70px; padding: var(--space-md) var(--space-lg); }
  .brand small { display: none; }
  .quiet-button { display: none; }
  .screen { min-height: calc(100vh - 70px); padding: var(--space-2xl) var(--space-lg); }
  .focus-options { grid-template-columns: 1fr; }
  .setup-footer, .exercise-actions, .result-actions, .safety-actions { align-items: stretch; flex-direction: column; }
  .primary-button, .danger-button { width: 100%; }
  .progress-rail { grid-template-columns: 1fr; }
  .stop-button { width: 100%; }
  .result-metrics { gap: var(--space-lg); }
  .result-metrics div { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  body { background: var(--paper); }
  .topbar, .result-actions, .erase-note { display: none; }
  .screen { display: none !important; }
  .screen[data-screen="result"] { display: block !important; padding: 0; }
}