:root {
  --paper: #f7f3ea;
  --ink: #20241f;
  --muted: #6f756b;
  --line: #ded7c9;
  --moss: #496452;
  --moss-dark: #253d31;
  --clay: #b06d51;
  --mist: #e8ebe0;
  --white: rgba(255, 255, 255, 0.58);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
}

body {
  color: var(--ink);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  margin: 0;
}

button,
textarea,
input {
  font: inherit;
}

button {
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  min-height: 44px;
  padding: 0 16px;
}

select {
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  min-height: 44px;
  padding: 0 14px;
  width: 100%;
}

button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.shell {
  display: grid;
  gap: 20px;
  margin: 0 auto;
  max-width: 960px;
  min-height: 100vh;
  padding: 22px 16px 40px;
}

.site-hero {
  display: grid;
  gap: 28px;
  min-height: min(760px, calc(100vh - 44px));
  padding-top: 8px;
}

.landing-shell {
  max-width: 900px;
}

.practice-shell {
  max-width: 820px;
}

.site-nav {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 0 14px;
}

.site-nav a {
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.86rem;
  min-height: 36px;
  padding: 8px 10px;
  text-decoration: none;
}

.site-nav a:focus,
.site-nav a:hover {
  border-color: var(--line);
  color: var(--moss-dark);
}

.practice-header {
  align-items: start;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr auto;
}

.practice-header h1 {
  font-size: clamp(2rem, 10vw, 4rem);
}

.topbar {
  align-items: center;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
}

.brand-lockup {
  align-items: center;
  display: flex;
  gap: 12px;
  grid-column: 1 / -1;
}

.brand-mark {
  flex: 0 0 auto;
  height: 74px;
  object-fit: contain;
  width: 58px;
}

.brand-name {
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.98rem;
  line-height: 1.2;
}

.hero-copy {
  display: grid;
  gap: 18px;
}

.hero-grid {
  align-items: end;
  display: grid;
  gap: 26px;
}

.hero-lede {
  color: var(--moss-dark);
  font-size: 1.08rem;
  line-height: 1.75;
  max-width: 680px;
}

.hero-actions {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.link-button {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  display: inline-flex;
  font-family: ui-sans-serif, system-ui, sans-serif;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  text-decoration: none;
}

.hero-mark {
  justify-self: center;
  max-width: 280px;
  opacity: 0.96;
  width: min(58vw, 280px);
}

.hero-mark img {
  display: block;
  height: auto;
  width: 100%;
}

.eyebrow {
  color: var(--moss);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  margin: 0 0 6px;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(2.1rem, 12vw, 4.8rem);
  font-weight: 400;
  line-height: 0.95;
  max-width: 560px;
}

h2 {
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.45;
}

h3 {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.35;
}

.switch {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex;
  flex: 0 0 auto;
  font-family: ui-sans-serif, system-ui, sans-serif;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
}

.switch input {
  accent-color: var(--moss);
}

.composer,
.coach,
.panel,
.intention,
.awareness,
.focus-reader {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.entry-section {
  display: grid;
  gap: 14px;
}

.entry-panel {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
  padding: 24px 0 6px;
}

.entry-panel h2,
.english-overview h2 {
  color: var(--moss-dark);
  font-size: clamp(1.45rem, 7vw, 2.65rem);
  line-height: 1.12;
}

.entry-panel p:not(.eyebrow),
.english-overview p {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  line-height: 1.68;
}

.entry-panel .link-button {
  width: 100%;
}

.english-entry {
  color: var(--ink);
}

.english-overview {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 22px;
  padding: 26px 0 4px;
}

.english-flow {
  display: grid;
  gap: 12px;
}

.english-flow article {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 9px;
  padding-top: 14px;
}

.system-section,
.prep-section,
.daily-section,
.difference-section {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 22px;
  padding: 26px 0 4px;
}

.section-heading {
  display: grid;
  gap: 10px;
  max-width: 700px;
}

.section-heading h2,
.bilingual-section h2 {
  color: var(--moss-dark);
  font-size: clamp(1.45rem, 7vw, 2.65rem);
  line-height: 1.12;
}

.section-heading p:not(.eyebrow),
.bilingual-section p {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  line-height: 1.65;
}

.layer-list,
.practice-map,
.difference-grid {
  display: grid;
  gap: 12px;
}

.layer-item,
.practice-map article,
.difference-grid > div {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 9px;
  padding-top: 14px;
}

.layer-item span {
  color: var(--clay);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.78rem;
}

.layer-item p,
.practice-map p,
.difference-grid p,
.prep-steps p {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  line-height: 1.62;
}

.prep-steps {
  counter-reset: prep;
  display: grid;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.prep-steps li {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
  padding: 14px 0;
}

.prep-steps li::before {
  color: var(--clay);
  content: counter(prep, decimal-leading-zero);
  counter-increment: prep;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.78rem;
}

.prep-steps span {
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 500;
}

.bilingual-section {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 18px;
  padding: 26px 0 4px;
}

.intention {
  color: var(--moss-dark);
  font-size: 1.05rem;
  line-height: 1.75;
  padding: 14px 16px;
}

.composer {
  display: grid;
  gap: 12px;
  padding: 12px;
}

.file-input {
  display: none;
}

textarea {
  background: transparent;
  border: 0;
  color: var(--ink);
  line-height: 1.7;
  min-height: 150px;
  outline: 0;
  resize: vertical;
  width: 100%;
}

.actions {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
}

.actions button:first-child {
  grid-column: 1 / -1;
}

.file-meta {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.82rem;
  line-height: 1.45;
}

.primary {
  background: var(--moss-dark);
  border-color: var(--moss-dark);
  color: #fbfaf5;
}

.soft-button {
  background: var(--mist);
  border: 0;
  color: var(--moss-dark);
}

.controls {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.phonics-controls {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.phonics-controls label {
  color: var(--muted);
  display: grid;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.82rem;
  gap: 6px;
}

.phonics-coach {
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 16px;
  padding: 16px;
}

.phonics-coach h3 {
  color: var(--moss-dark);
  font-size: clamp(1.45rem, 8vw, 2.3rem);
  font-weight: 400;
  line-height: 1.1;
  margin: 0 0 8px;
}

.phonics-coach p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.phonics-actions {
  display: grid;
  gap: 10px;
}

.phonics-section {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 20px;
  padding: 26px 0 4px;
}

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

.sound-card {
  align-items: start;
  background: rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  display: grid;
  gap: 8px;
  justify-items: start;
  min-height: 126px;
  padding: 14px;
  text-align: left;
}

.sound-card strong {
  color: var(--moss-dark);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1;
}

.sound-card span {
  color: var(--clay);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.86rem;
}

.sound-card small {
  align-self: end;
}

.active-sound {
  background: #fffaf3;
  border-color: var(--clay);
  box-shadow: 0 0 0 1px rgba(172, 107, 74, 0.12);
}

.vowel-card {
  min-height: 210px;
}

.sound-variants {
  display: block;
}

.sound-variants b {
  color: var(--moss-dark);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 600;
}

.ladder-list {
  display: grid;
  gap: 10px;
}

.ladder-row {
  align-items: center;
  border-radius: 8px;
  display: grid;
  gap: 8px;
  grid-template-columns: 72px 1fr;
  justify-items: start;
  min-height: 62px;
  text-align: left;
}

.ladder-row span {
  color: var(--clay);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.82rem;
}

.ladder-row strong {
  font-size: 1.05rem;
  font-weight: 400;
}

.voice-row {
  grid-column: 1 / -1;
}

.controls label {
  color: var(--muted);
  display: grid;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.82rem;
  gap: 6px;
}

.toggle-row {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  grid-template-columns: auto 1fr;
  min-height: 44px;
  padding: 0 12px;
}

.toggle-row input {
  accent-color: var(--moss);
}

input[type="range"] {
  accent-color: var(--moss);
  width: 100%;
}

.notice {
  background: #fff3ee;
  border: 1px solid #e6c8bb;
  border-radius: 8px;
  color: #8a3d28;
  font-family: ui-sans-serif, system-ui, sans-serif;
  padding: 12px 14px;
}

.practice {
  display: grid;
  gap: 10px;
}

.awareness {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.awareness h2 {
  color: var(--moss-dark);
}

.awareness-actions,
.focus-actions {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
}

.focus-reader {
  display: grid;
  gap: 18px;
  min-height: 54vh;
  padding: 18px;
  place-items: center;
  text-align: center;
}

.focus-reader[hidden] {
  display: none;
}

.focus-reader p:not(.eyebrow) {
  font-size: clamp(1.8rem, 10vw, 4.2rem);
  line-height: 1.18;
  max-width: 760px;
}

.focus-active .composer,
.focus-active .practice,
.focus-active .drawer,
.focus-active .site-hero,
.focus-active .entry-section,
.focus-active .english-overview,
.focus-active .system-section,
.focus-active .prep-section,
.focus-active .daily-section,
.focus-active .bilingual-section,
.focus-active .difference-section,
.focus-active .intention {
  display: none;
}

.sentence {
  align-items: start;
  border-left: 2px solid transparent;
  display: grid;
  gap: 12px;
  grid-template-columns: 44px 1fr;
  padding: 14px 0 14px 8px;
}

.sentence.active {
  border-color: var(--clay);
}

.listen {
  background: var(--mist);
  border: 0;
  color: var(--moss-dark);
  padding: 0;
  width: 44px;
}

.sentence p {
  font-size: 1.32rem;
  line-height: 1.72;
}

.word {
  background: transparent;
  border: 0;
  border-radius: 4px;
  min-height: 0;
  padding: 1px 2px;
}

.word:focus,
.word:hover {
  background: #e7dfd0;
}

.word.selected {
  background: #d9cfbd;
  color: var(--moss-dark);
}

.word-popover {
  background: rgba(255, 252, 246, 0.98);
  border: 1px solid rgba(111, 123, 96, 0.22);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(47, 57, 45, 0.18);
  color: var(--ink);
  display: grid;
  gap: 8px;
  left: 12px;
  max-width: min(320px, calc(100vw - 24px));
  padding: 14px 15px;
  position: fixed;
  top: 12px;
  width: max-content;
  z-index: 20;
}

.word-popover[hidden] {
  display: none;
}

.word-popover::before {
  background: inherit;
  border-left: 1px solid rgba(111, 123, 96, 0.22);
  border-top: 1px solid rgba(111, 123, 96, 0.22);
  content: "";
  height: 12px;
  left: calc(50% - 6px);
  position: absolute;
  top: -7px;
  transform: rotate(45deg);
  width: 12px;
}

.word-popover__head {
  align-items: baseline;
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.word-popover__head strong {
  color: var(--moss-dark);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 1.2rem;
}

.word-popover__head span {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.86rem;
  white-space: nowrap;
}

.word-popover p {
  font-size: 0.98rem;
  line-height: 1.55;
  margin: 0;
}

.word-sound {
  background: var(--mist);
  border: 0;
  color: var(--moss-dark);
  font-family: ui-sans-serif, system-ui, sans-serif;
  min-height: 36px;
  padding: 0 12px;
}

.coach {
  align-items: center;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  padding: 16px;
}

.cue {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.9rem;
  line-height: 1.55;
  margin-top: 8px;
}

.recording {
  background: var(--clay);
  border-color: var(--clay);
  color: #fffaf7;
}

.shadow-controls {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
  width: 100%;
}

.shadow-controls button {
  white-space: nowrap;
}

.recording-player {
  width: 100%;
}

.analysis {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
  padding-top: 12px;
}

.analysis.scoreless strong {
  display: none;
}

.analysis strong {
  color: var(--moss-dark);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 1.7rem;
}

small,
.phonetic {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  line-height: 1.5;
}

.drawer {
  display: grid;
  gap: 12px;
}

.panel {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chips span {
  background: var(--mist);
  border-radius: 999px;
  color: var(--moss-dark);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.82rem;
  padding: 7px 10px;
}

.mistakes {
  display: grid;
  gap: 8px;
}

.mistakes p {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.9rem;
  line-height: 1.45;
}

.mistakes strong {
  color: var(--ink);
}

@media (min-width: 700px) {
  .shell {
    gap: 24px;
    padding: 42px 24px 64px;
  }

  .controls,
  .drawer {
    grid-template-columns: 1fr 1fr;
  }

  .phonics-controls {
    align-items: end;
    grid-template-columns: 1fr 1fr auto;
  }

  .phonics-coach {
    align-items: center;
    grid-template-columns: 1fr minmax(160px, 0.34fr);
  }

  .phonics-coach audio {
    grid-column: 1 / -1;
  }

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

  .consonant-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .chunk-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .site-hero {
    min-height: min(780px, calc(100vh - 84px));
  }

  .site-nav {
    justify-content: flex-end;
  }

  .practice-header {
    align-items: center;
  }

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

  .entry-panel {
    min-height: 280px;
    padding: 34px 0 8px;
  }

  .entry-panel .link-button {
    align-self: end;
    justify-self: start;
    width: auto;
  }

  .topbar {
    grid-template-columns: 1fr auto;
  }

  .brand-mark {
    height: 88px;
    width: 70px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 340px);
  }

  .hero-actions {
    grid-template-columns: max-content max-content;
  }

  .hero-mark {
    max-width: 340px;
    width: 100%;
  }

  .system-section,
  .prep-section,
  .daily-section,
  .difference-section {
    padding: 34px 0 8px;
  }

  .layer-list,
  .practice-map,
  .english-flow {
    grid-template-columns: repeat(3, 1fr);
  }

  .practice-map {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .bilingual-section {
    align-items: start;
    grid-template-columns: 0.9fr 1.1fr;
    padding: 34px 0 8px;
  }

  .english-overview {
    padding: 34px 0 8px;
  }

  .prep-steps li {
    align-items: start;
    grid-template-columns: 70px 180px 1fr;
  }

  .prep-steps li::before {
    padding-top: 2px;
  }

  .controls {
    align-items: end;
  }

  .coach {
    grid-template-columns: 1fr auto;
  }

  .shadow-controls {
    min-width: 152px;
  }

  .awareness {
    align-items: center;
    grid-template-columns: 1fr auto;
  }

  .awareness-actions {
    min-width: 260px;
  }

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

  .actions button:first-child {
    grid-column: auto;
  }

  .analysis {
    grid-column: 1 / -1;
  }

  .recording-player {
    grid-column: 1 / -1;
  }
}