:root {
  --bg:#f5f7f1;
  --ink:#173c34;
  --muted:#64766d;
  --green:#17664f;
  --line:#dce5d7;
  --accent:#d7ae68
}
.lesson-glyph-link {
  display: block;
  text-decoration: none;
  border-radius: 12px;
}
.lesson-glyph-link:hover {
  background: #f0f5e9;
}
.lesson-detail-link {
  margin-top: 16px;
  color: var(--green);
  font-size: 14px;
  font-weight: 600;
  text-underline-offset: 4px;
}
.back-link {
  display: inline-block;
  margin-top: 28px;
  color: var(--green);
  text-underline-offset: 4px;
}
.detail-glyph {
  font-size: 88px;
  line-height: 1.8;
  color: var(--green);
}
* {
  box-sizing:border-box
}
body {
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:16px 'DM Sans',system-ui,sans-serif;
  line-height:1.6
}
a {
  color:inherit
}
button,input,select {
  font:inherit
}
button,a,input,select {
  touch-action:manipulation
}
button {
  cursor:pointer
}
button:disabled {
  cursor:default;
  opacity:.65
}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible {
  outline:3px solid #a37527;
  outline-offset:4px
}
.shan,:lang(shn) {
  font-family:'Panglong','Shan','Padauk','Myanmar Text',sans-serif;
  letter-spacing:normal
}
.mark {
  display:inline-grid;
  place-items:center;
  width:38px;
  height:38px;
  background:var(--green);
  color:#fff;
  border-radius:12px;
  margin-right:12px
}
header {
  background:#fff;
  border-bottom:1px solid var(--line)
}
.topbar,nav,main,footer {
  max-width:1180px;
  margin:auto;
  padding-left:32px;
  padding-right:32px
}
.topbar {
  height:84px;
  display:flex;
  align-items:center;
  gap:20px
}
.brand {
  text-decoration:none;
  font-size:21px;
  font-weight:700
}
.wordmark {
  margin-left:auto;
  font-size:26px;
  color:var(--green)
}
nav {
  display:flex;
  gap:8px;
  padding-top:8px;
  padding-bottom:17px;
  flex-wrap:wrap
}
nav a {
  padding:7px 13px;
  text-decoration:none;
  font-size:14px;
  border-radius:20px;
  color:var(--muted)
}
nav a[aria-current] {
  background:#e7eee1;
  color:var(--green);
  font-weight:700
}
nav a:hover {
  background:#eff3ea
}
.menu-button {
  display:none
}
.home-intro {
  position:relative;
  padding:46px 0 40px;
  border-bottom:1px solid var(--line)
}
.eyebrow {
  font-size:12px;
  letter-spacing:2px;
  font-weight:700;
  color:var(--green)
}
h1 {
  font-size:clamp(36px,5vw,60px);
  line-height:1.15;
  letter-spacing:-2.5px;
  margin:14px 0 18px;
  font-weight:600
}
h2 {
  font-size:24px;
  line-height:1.3;
  letter-spacing:-.7px
}
h3 {
  font-size:21px;
  margin:16px 0 7px
}
p {
  color:var(--muted);
  line-height:1.75
}
.home-intro p {
  max-width:450px
}
.hero-glyphs {
  position:absolute;
  right:25px;
  top:55px;
  font-size:86px;
  color:#9ab699;
  display:flex;
  gap:20px;
  transform:rotate(-5deg);
  line-height:1.8
}
.hero-glyphs span {
  color:var(--green)
}
.primary,.secondary {
  display:inline-block;
  text-decoration:none;
  border:0;
  border-radius:24px;
  padding:12px 20px;
  font-size:14px;
  font-weight:600
}
.primary {
  background:var(--green);
  color:white
}
.primary:hover {
  background:#104e3b
}
.secondary {
  background:#e6edde;
  color:var(--ink)
}
.section-heading {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin:30px 0 22px;
  flex-wrap:wrap
}
input,select {
  padding:11px 16px;
  border-radius:16px;
  border:1px solid var(--line);
  background:white;
  color:var(--ink);
  max-width:100%;
  min-height:46px
}
.topics-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-bottom:48px
}
.topic-card {
  display:block;
  text-decoration:none;
  background:white;
  border:1px solid var(--line);
  padding:25px;
  border-radius:22px;
  transition:transform .2s,box-shadow .2s;
  min-height:240px
}
.topic-card:hover {
  transform:translateY(-4px);
  box-shadow:0 12px 35px #173c3410
}
.topic-top {
  display:flex;
  justify-content:space-between;
  align-items:center
}
.topic-icon {
  width:56px;
  height:58px;
  display:grid;
  place-items:center;
  font-size:34px;
  background:#e5eddb;
  color:var(--green);
  border-radius:15px
}
.topic-card:nth-child(2n) .topic-icon {
  background:#f4e8d2;
  color:#87622e
}
.topic-card:nth-child(3n) .topic-icon {
  background:#e4ebf4;
  color:#496c8b
}
.small {
  font-size:12px;
  color:var(--muted)
}
.topic-card p {
  margin:0 0 22px
}
.topic-link {
  font-size:14px;
  color:var(--green);
  font-weight:600
}
.lesson-head {
  padding:38px 0 12px
}
.lesson-head p {
  max-width:740px
}
.lesson-tools {
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
  margin:20px 0 28px
}
.lesson-tools label {
  display:flex;
  align-items:center;
  gap:12px
}
.lesson-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-bottom:36px
}
.lesson-card {
  border:1px solid var(--line);
  border-radius:20px;
  padding:20px;
  background:white;
  display:flex;
  flex-direction:column
}
.glyph {
  font-size:56px;
  line-height:1.8;
  text-align:center;
  color:var(--green);
  overflow-wrap:anywhere
}
.lesson-card .label {
  font-weight:700;
  font-size:19px;
  margin-top:10px
}
.lesson-card .note {
  font-size:14px;
  color:var(--muted);
  margin:8px 0 16px
}
.sound {
  border:0;
  background:#e6efdf;
  color:var(--green);
  width:44px;
  height:44px;
  border-radius:50%;
  display:grid;
  place-items:center;
  flex-shrink:0
}
.sound svg {
  width:21px;
  height:21px
}
.card-bottom {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto
}
.audio-state {
  font-size:12px;
  color:var(--muted)
}
.playing {
  box-shadow:0 0 0 2px var(--green)
}
body[data-page="conversation"] .lesson-grid {
  grid-template-columns:repeat(2,1fr)
}
.panel {
  border:1px solid var(--line);
  background:white;
  border-radius:24px;
  padding:30px;
  margin:24px 0 40px
}
.panel h2:first-child {
  margin-top:0
}
.panel label {
  display:block;
  margin-bottom:12px
}
.number-result {
  display:block;
  font-size:64px;
  line-height:1.8;
  color:var(--green);
  overflow-wrap:anywhere
}
.exchange {
  display:grid;
  grid-template-columns:100px 1fr;
  align-items:center;
  gap:12px;
  max-width:500px;
  margin-bottom:24px
}
.exchange strong {
  font-size:36px;
  line-height:1.8
}
.quiz {
  max-width:800px;
  margin:20px auto 50px;
  text-align:center
}
.quiz .section-heading {
  margin-top:0
}
.quiz-glyph {
  font-size:95px;
  color:var(--green);
  line-height:1.7
}
.options {
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
  margin:20px auto;
  max-width:550px
}
.option {
  border:1px solid var(--line);
  background:#f7f9f3;
  padding:15px;
  border-radius:14px;
  color:var(--ink);
  font-weight:600
}
.correct {
  background:#dcebd3!important;
  border-color:#67915f!important
}
.incorrect {
  background:#f7e3df!important;
  border-color:#b7796d!important
}
progress {
  width:100%;
  height:9px;
  accent-color:var(--green)
}
.game-letters,.game-targets {
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:15px;
  margin:25px 0
}
.game-letter {
  font-size:48px;
  background:#f0f5e9;
  border:1px solid #b9cbb0;
  border-radius:16px;
  min-height:100px;
  color:var(--green)
}
.game-letter[aria-pressed="true"] {
  background:var(--green);
  color:white
}
.game-target {
  border:2px dashed #b7c8ab;
  border-radius:16px;
  background:white;
  min-height:100px;
  color:var(--ink);
  font-weight:700
}
.game-target.matched {
  border-style:solid;
  background:#e4efda
}
.game-target.over {
  border-color:var(--green);
  background:#f0f5e9
}
.studio-grid {
  display:grid;
  gap:14px
}
.studio-row {
  display:flex;
  align-items:center;
  gap:15px;
  flex-wrap:wrap;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px 20px
}
.studio-glyph {
  font-size:35px;
  line-height:1.8;
  min-width:90px;
  color:var(--green)
}
.studio-label {
  flex:1;
  min-width:110px
}
.studio-row button {
  min-height:42px
}
.notice {
  border-left:3px solid #c79742;
  padding:15px 20px;
  background:#eeeede;
  border-radius:0 14px 14px 0
}
.status:not(:empty) {
  background:#173c34;
  color:white;
  padding:14px 20px;
  border-radius:15px;
  position:sticky;
  bottom:15px;
  z-index:3
}
.status:empty {
  display:none
}
dialog {
  border:1px solid var(--line);
  border-radius:24px;
  padding:30px;
  max-width:min(90vw,520px);
  color:var(--ink)
}
dialog::backdrop {
  background:#102c2470
}
footer {
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding-top:25px;
  padding-bottom:25px;
  font-size:14px;
  color:var(--muted)
}
[hidden] {
  display:none!important
}
@media(max-width:950px) {
  .hero-glyphs {
    font-size:64px;
    right:0;
    top:80px
  }
  .lesson-grid {
    grid-template-columns:repeat(3,1fr)
  }
  nav {
    gap:2px
  }
  nav a {
    padding:7px 9px
  }
}
@media(max-width:720px) {
  .topics-grid {
    grid-template-columns:repeat(2,1fr)
  }
  .hero-glyphs {
    display:none
  }
  .lesson-grid {
    grid-template-columns:repeat(2,1fr)
  }
  .game-letters,.game-targets {
    grid-template-columns:repeat(3,1fr)
  }
  .menu-button {
    display:block;
    border:1px solid var(--line);
    border-radius:20px;
    background:white;
    padding:9px 15px
  }
  .topbar {
    height:74px
  }
  .wordmark {
    font-size:20px
  }
  nav {
    display:none
  }
  nav.open {
    display:flex
  }
  .panel {
    padding:22px
  }
  .lesson-tools input {
    flex:1;
    min-width:180px
  }
}
@media(max-width:460px) {
  .topbar,nav,main,footer {
    padding-left:20px;
    padding-right:20px
  }
  .wordmark {
    display:none
  }
  .menu-button {
    margin-left:auto
  }
  .brand {
    font-size:18px
  }
  .topics-grid {
    grid-template-columns:1fr
  }
  .home-intro {
    padding-top:30px
  }
  .lesson-card {
    padding:16px
  }
  .glyph {
    font-size:43px
  }
  .lesson-card .label {
    font-size:16px
  }
  .lesson-card .note {
    font-size:14px
  }
  .game-letters,.game-targets {
    gap:9px
  }
  .game-letter {
    font-size:37px
  }
  .game-target {
    font-size:14px
  }
  body[data-page="conversation"] .lesson-grid {
    grid-template-columns:1fr
  }
  .studio-row {
    padding:15px
  }
  .studio-glyph {
    min-width:70px
  }
  .section-heading input {
    width:100%
  }
  footer {
    flex-direction:column
  }
}
/* Practice controls are scoped so shared panel/input rules cannot distort them. */
body[data-page="practicing"] main { max-width:1024px; }
body[data-page="practicing"] .quiz { max-width:none; margin:28px 0 48px; }
.spelling h2 { margin:8px 0 12px; }
.spelling-filters { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; margin:24px 0; }
.spelling .spelling-filters label { display:grid; gap:8px; margin:0; min-width:0; font-size:13px; font-weight:600; }
.spelling-filters select { width:100%; min-width:0; font-size:15px; }
.spelling-parts { display:grid; grid-template-columns:minmax(0,1fr) auto minmax(0,1.4fr) auto minmax(0,1fr); align-items:center; gap:12px; margin:28px 0; }
.spelling-part { display:grid; align-content:center; text-align:center; padding:18px 10px; min-height:140px; min-width:0; border:1px solid var(--line); border-radius:18px; background:var(--bg); }
.spelling-part > span:first-child { font-size:12px; color:var(--muted); line-height:1.5; min-height:36px; }
.spelling-part .shan { font-size:clamp(28px,4vw,44px); line-height:1.8; color:var(--green); }
.spelling-plus { font-size:24px; color:var(--muted); text-align:center; }
.spelling-answer { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:10px 16px; align-items:center; }
.spelling .spelling-answer > label { grid-column:1/-1; margin:0; font-size:14px; font-weight:600; }
.spelling-answer input { width:100%; min-width:0; font-size:24px; min-height:58px; }
.spelling-answer input::placeholder { font:16px 'DM Sans',system-ui,sans-serif; }
.spelling-answer-actions,.spelling-actions,.spelling-example-buttons { display:flex; align-items:center; flex-wrap:wrap; gap:10px; }
.spelling-actions { padding-top:22px; margin-top:22px; border-top:1px solid var(--line); }
.spelling .spelling-recorded { display:flex; align-items:center; gap:10px; margin:18px 0 0; font-size:14px; cursor:pointer; }
.spelling-recorded input[type="checkbox"] { width:18px; height:18px; min-height:18px; min-width:18px; flex:0 0 18px; padding:0; margin:0; accent-color:var(--green); }
.spelling #spellFeedback:empty { display:none; }
.spelling #spellFeedback { margin:14px 0; }
.spelling #spellResult { text-align:center; border-radius:18px; background:#f5f8f0; padding:14px; margin-top:20px; }
.spelling #spellSyllable { font-size:clamp(46px,9vw,80px); overflow-wrap:anywhere; }
.spelling #spellReading { margin:0; overflow-wrap:anywhere; }
.spelling #spellAudioState { font-size:13px; margin:12px 0 24px; }
.spelling-examples { border-top:1px solid var(--line); padding-top:18px; }
.spelling-examples p { margin:0 0 12px; font-size:14px; font-weight:600; }
.spelling-example-buttons button { font-size:20px; line-height:1.6; padding:10px 16px; }
@media(max-width:720px) {
  .spelling-filters { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .spelling-answer { grid-template-columns:minmax(0,1fr); }
  .spelling-answer-actions > button { flex:1; }
  .spelling-actions > button { flex:1 1 130px; }
}
@media(max-width:460px) {
  body[data-page="practicing"] .panel { padding:18px; }
  .spelling-filters { gap:12px; }
  .spelling-filters select { padding:10px 8px; font-size:14px; }
  .spelling-parts { gap:5px; }
  .spelling-part { padding:12px 4px; min-height:125px; border-radius:12px; }
  .spelling-part > span:first-child { font-size:10px; min-height:30px; }
  .spelling-part .shan { font-size:26px; }
  .spelling-plus { font-size:18px; }
  .spelling-example-buttons { display:grid; grid-template-columns:1fr; }
  .spelling-answer-actions > button { padding:12px; }
  body[data-page="practicing"] .quiz-glyph { font-size:72px; }
}
@media(prefers-reduced-motion:reduce) {
  * {
    transition:none!important
  }
}