/* Fonts are bundled with the app (no Google Fonts request). Baloo Bhai 2 and Hind Vadodara are open-source (SIL Open Font License). */
@font-face {
  font-family: 'Baloo Bhai 2';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(fonts/baloo-bhai-2-gujarati-500-normal.woff2) format('woff2');
  unicode-range: U+0951-0952,U+0964-0965,U+0A80-0AFF,U+200C-200D,U+20B9,U+25CC,U+A830-A839;
}
@font-face {
  font-family: 'Baloo Bhai 2';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(fonts/baloo-bhai-2-latin-500-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Baloo Bhai 2';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url(fonts/baloo-bhai-2-gujarati-700-normal.woff2) format('woff2');
  unicode-range: U+0951-0952,U+0964-0965,U+0A80-0AFF,U+200C-200D,U+20B9,U+25CC,U+A830-A839;
}
@font-face {
  font-family: 'Baloo Bhai 2';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url(fonts/baloo-bhai-2-latin-700-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Baloo Bhai 2';
  font-style: normal;
  font-display: swap;
  font-weight: 800;
  src: url(fonts/baloo-bhai-2-gujarati-800-normal.woff2) format('woff2');
  unicode-range: U+0951-0952,U+0964-0965,U+0A80-0AFF,U+200C-200D,U+20B9,U+25CC,U+A830-A839;
}
@font-face {
  font-family: 'Baloo Bhai 2';
  font-style: normal;
  font-display: swap;
  font-weight: 800;
  src: url(fonts/baloo-bhai-2-latin-800-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Hind Vadodara';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(fonts/hind-vadodara-gujarati-400-normal.woff2) format('woff2');
  unicode-range: U+0951-0952,U+0964-0965,U+0A80-0AFF,U+200C-200D,U+20B9,U+25CC,U+A830-A839;
}
@font-face {
  font-family: 'Hind Vadodara';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(fonts/hind-vadodara-latin-400-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Hind Vadodara';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(fonts/hind-vadodara-gujarati-500-normal.woff2) format('woff2');
  unicode-range: U+0951-0952,U+0964-0965,U+0A80-0AFF,U+200C-200D,U+20B9,U+25CC,U+A830-A839;
}
@font-face {
  font-family: 'Hind Vadodara';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(fonts/hind-vadodara-latin-500-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Hind Vadodara';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(fonts/hind-vadodara-gujarati-600-normal.woff2) format('woff2');
  unicode-range: U+0951-0952,U+0964-0965,U+0A80-0AFF,U+200C-200D,U+20B9,U+25CC,U+A830-A839;
}
@font-face {
  font-family: 'Hind Vadodara';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(fonts/hind-vadodara-latin-600-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Hind Vadodara';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url(fonts/hind-vadodara-gujarati-700-normal.woff2) format('woff2');
  unicode-range: U+0951-0952,U+0964-0965,U+0A80-0AFF,U+200C-200D,U+20B9,U+25CC,U+A830-A839;
}
@font-face {
  font-family: 'Hind Vadodara';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url(fonts/hind-vadodara-latin-700-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

/* Gujarati Shikho. Palette comes from Gujarati block-print and bandhani cloth:
   indigo dye, madder red, turmeric, and undyed cotton. */
:root {
  --neel: #22307A;
  --neel-deep: #182258;
  --madder: #B5352B;
  --madder-tint: #F7DEDA;
  --turmeric: #E9A620;
  --turmeric-deep: #B97E0C;
  --turmeric-tint: #FCF1D6;
  --cotton: #F4F5F9;
  --ink: #171B3D;
  --muted: #5A5F86;
  --rule: #CDD1E6;
  --leaf: #2E7D5B;
  --leaf-deep: #1F5C41;
  --leaf-tint: #DCEFE5;
  --font-ui: 'Hind Vadodara', 'Noto Sans Gujarati', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-gu: 'Baloo Bhai 2', 'Hind Vadodara', 'Noto Sans Gujarati', system-ui, sans-serif;
  --dots: radial-gradient(circle, rgba(255,255,255,.5) 1.5px, transparent 2.2px) 0 0 / 16px 16px,
          radial-gradient(circle, rgba(255,255,255,.5) 1.5px, transparent 2.2px) 8px 8px / 16px 16px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--dots), var(--neel-deep);
  -webkit-tap-highlight-color: transparent;
}
#app {
  max-width: 480px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  background: var(--cotton);
  position: relative;
}
@media (min-width: 520px) {
  #app { box-shadow: 0 0 0 4px var(--turmeric), 0 0 60px rgba(0,0,0,.35); }
}
.gu { font-family: var(--font-gu); }
h1, h2, h3, p { margin: 0; }
button { font-family: inherit; }
:focus-visible { outline: 3px solid var(--madder); outline-offset: 3px; }

/* ---------- buttons ---------- */
.btn {
  font: 600 18px/1.2 var(--font-ui);
  background: var(--turmeric);
  color: var(--ink);
  border: 0;
  border-radius: 14px;
  padding: 14px 22px;
  min-height: 52px;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--turmeric-deep);
}
.btn:active:not(:disabled) { transform: translateY(3px); box-shadow: 0 1px 0 var(--turmeric-deep); }
.btn:disabled { background: #DADCEA; color: #8A8FAE; box-shadow: 0 4px 0 #BEC2D8; cursor: default; }
.btn.wide { width: 100%; }
.btn.ghost { background: #fff; color: var(--neel); border: 2px solid var(--neel); box-shadow: 0 4px 0 var(--neel); }
.btn.ghost:active:not(:disabled) { box-shadow: 0 1px 0 var(--neel); }
.link {
  background: none; border: 0; padding: 6px 0; color: var(--neel);
  font: 600 16px var(--font-ui); text-decoration: underline; cursor: pointer; text-align: left;
}
.link.danger { color: var(--madder); }

/* ---------- block-print tile: the one memorable object ---------- */
.tile {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--neel);
  border: 3px solid var(--neel);
  border-radius: 8px;
  font-family: var(--font-gu);
  font-weight: 700;
  line-height: 1;
  text-align: center;
  max-width: 100%;
  overflow-wrap: anywhere;
}
.tile::after {
  content: '';
  position: absolute;
  inset: 6px;
  border: 2px dotted var(--turmeric);
  border-radius: 4px;
  pointer-events: none;
}
.tile.big { width: 190px; height: 190px; font-size: 104px; }
.tile.md  { padding: 40px 44px; font-size: 68px; min-width: 190px; }
.tile.sm  { padding: 38px 36px; font-size: 48px; }
.tile.xs  { padding: 38px 30px; font-size: 34px; line-height: 1.25; }
.tile.mini { width: 64px; height: 64px; font-size: 28px; border-width: 2px; flex: none; }
.tile.mini::after { inset: 4px; border-width: 1.5px; }
.tile.mini.long { font-size: 20px; }
.stamp { animation: stamp .28s ease-out; }
@keyframes stamp { from { transform: scale(1.12) rotate(-2deg); opacity: .4; } to { transform: none; opacity: 1; } }

/* ---------- home ---------- */
.hero {
  background: var(--dots), var(--neel);
  color: #fff;
  padding: calc(18px + env(safe-area-inset-top)) 22px 64px;
  border-radius: 0 0 26px 26px;
}
.stats { display: flex; gap: 8px; justify-content: flex-end; }
.pill { background: rgba(255,255,255,.16); border-radius: 99px; padding: 3px 13px; font-weight: 600; font-size: 15px; }
.wordmark { font: 800 68px/1.15 var(--font-gu); color: var(--turmeric); margin-top: 6px; }
.hero-sub { color: #D8DBF2; max-width: 30ch; }

.home-body { padding: 0 18px 32px; }
.resume {
  display: flex; align-items: center; gap: 14px;
  background: #fff; border: 2px solid var(--neel); border-radius: 12px;
  padding: 14px; margin-top: -38px; box-shadow: 0 4px 0 var(--neel);
}
.resume-text { flex: 1; min-width: 0; }
.resume h2 { font: 700 19px/1.25 var(--font-ui); }
.resume p { color: var(--muted); font-size: 15px; }
.resume .btn { padding: 12px 18px; }
.resume.finished { display: block; }

.note {
  margin-top: 16px; padding: 12px 14px; border-radius: 10px;
  background: var(--turmeric-tint); border: 1px solid var(--turmeric); font-size: 15px;
}

.level { margin-top: 30px; }
.level h2 { font: 800 26px/1.2 var(--font-gu); color: var(--neel); }
.level-sub { color: var(--muted); font-size: 15px; }
.trail { list-style: none; margin: 16px 0 0; padding: 0; position: relative; }
.trail::before {
  content: ''; position: absolute; left: 27px; top: 26px; bottom: 26px;
  border-left: 4px dotted var(--rule);
}
.trail li { position: relative; }
.stop {
  display: flex; align-items: center; gap: 14px; width: 100%;
  background: none; border: 0; padding: 8px 0; text-align: left; color: inherit; cursor: pointer;
}
.stop:disabled { cursor: default; }
.badge {
  position: relative; z-index: 1; flex: none;
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  font: 700 24px/1 var(--font-gu);
  background: #fff; color: var(--neel); border: 3px solid var(--neel);
}
.badge.long { font-size: 17px; }
.stop.current .badge { background: var(--turmeric); border-color: var(--turmeric-deep); color: var(--ink); box-shadow: 0 0 0 5px var(--turmeric-tint); }
.stop.done .badge { background: var(--neel); color: #fff; }
.stop.done .badge::after {
  content: '✓'; position: absolute; right: -4px; bottom: -4px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--leaf); color: #fff; font: 700 13px/22px var(--font-ui); text-align: center; border: 2px solid var(--cotton);
}
.stop.locked .badge { background: #E4E6F1; border-color: var(--rule); color: #8A8FAE; font-size: 20px; }
.stop-title { display: block; font-weight: 700; font-size: 18px; line-height: 1.3; }
.stop-sub { display: block; color: var(--muted); font-size: 14px; }
.stop.locked .stop-title { color: var(--muted); }

.tools { margin-top: 36px; border-top: 2px solid var(--rule); padding-top: 14px; }
.tools summary { cursor: pointer; font-weight: 600; color: var(--muted); }
.tools > * { margin-top: 10px; }
.check { display: flex; gap: 10px; align-items: center; font-size: 16px; }
.check input { width: 20px; height: 20px; accent-color: var(--neel); }
.tools a.link { display: block; }

/* ---------- lesson ---------- */
.lesson { display: flex; flex-direction: column; min-height: 100vh; min-height: 100dvh; }
.top { display: flex; align-items: center; gap: 10px; padding: calc(10px + env(safe-area-inset-top)) 14px 6px; }
.x { border: 0; background: none; width: 44px; height: 44px; font-size: 22px; color: var(--muted); cursor: pointer; border-radius: 50%; }
.bar { flex: 1; height: 12px; background: var(--rule); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--turmeric); border-radius: 99px; transition: width .25s; }
.stage { flex: 1; padding: 18px 20px 24px; display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.count { color: var(--muted); font-size: 15px; }
.rom { font: 700 30px/1.2 var(--font-ui); color: var(--madder); }
.extra { font-size: 40px; color: var(--neel); line-height: 1; }
.mean { font-size: 20px; max-width: 26ch; }
.ex { color: var(--muted); font-size: 16px; }
.ex .gu { color: var(--ink); font-size: 20px; }
.tip { background: var(--turmeric-tint); border-left: 5px solid var(--turmeric); border-radius: 6px; padding: 10px 14px; text-align: left; font-size: 16px; margin-top: 6px; max-width: 40ch; }
.listen { padding: 10px 26px; min-height: 46px; font-size: 17px; }
.listen::before { content: '🔊  '; }

.quiz { flex: 1; padding: 12px 18px 24px; display: flex; flex-direction: column; gap: 18px; align-items: center; }
.prompt { font: 700 22px/1.3 var(--font-ui); text-align: center; }
.ask { font: 700 34px/1.25 var(--font-ui); text-align: center; padding: 6px 0; }
.hint-rom { color: var(--muted); font-size: 18px; }
.opts { display: grid; gap: 12px; width: 100%; margin-top: auto; }
.opts.g2 { grid-template-columns: 1fr 1fr; }
.opt {
  background: #fff; color: var(--ink); border: 2px solid var(--rule); border-radius: 12px;
  padding: 14px 10px; min-height: 64px; font: 600 20px/1.3 var(--font-ui);
  box-shadow: 0 3px 0 var(--rule); cursor: pointer;
}
.opt.gu { font: 600 34px/1.2 var(--font-gu); }
.opt:hover:not(:disabled) { border-color: var(--neel); }
.opt:disabled { cursor: default; opacity: .55; }
.opt.right { opacity: 1; background: var(--leaf-tint); border-color: var(--leaf); box-shadow: 0 3px 0 var(--leaf); }
.opt.wrong { opacity: 1; background: var(--madder-tint); border-color: var(--madder); box-shadow: 0 3px 0 var(--madder); }

.dock {
  position: sticky; bottom: 0; display: grid; gap: 10px;
  background: #fff; border-top: 2px solid var(--rule);
  padding: 14px 18px calc(14px + env(safe-area-inset-bottom));
}
.dock.good { background: var(--leaf-tint); border-color: var(--leaf); }
.dock.bad { background: var(--madder-tint); border-color: var(--madder); }
.dock.good .btn { background: var(--leaf); color: #fff; box-shadow: 0 4px 0 var(--leaf-deep); }
.dock.bad .btn { background: var(--madder); color: #fff; box-shadow: 0 4px 0 #85261E; }
.fb { font-size: 17px; }
.fb strong { display: block; font-size: 20px; }
.dock.good .fb { color: var(--leaf-deep); }
.dock.bad .fb { color: #85261E; }
.fb .gu { font-size: 22px; }
.dock.row { grid-template-columns: 1fr 1fr; }

.result { justify-content: center; }
.result h1 { font: 800 32px/1.2 var(--font-gu); color: var(--neel); }
.xp { font: 700 22px var(--font-ui); color: var(--turmeric-deep); }

/* ---------- content review ---------- */
.rv { padding: calc(16px + env(safe-area-inset-top)) 16px 40px; }
.rv h1 { font: 800 28px/1.2 var(--font-gu); color: var(--neel); margin-bottom: 6px; }
.rv p { color: var(--muted); font-size: 15px; margin-bottom: 12px; }
.rv-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0 6px; }
.rv-actions .btn { min-height: 44px; padding: 8px 16px; font-size: 16px; }
.rv h2 { font: 700 17px var(--font-ui); margin: 22px 0 6px; }
.rv-scroll { overflow-x: auto; border: 1px solid var(--rule); border-radius: 8px; background: #fff; }
.rv table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 420px; }
.rv th, .rv td { padding: 7px 9px; text-align: left; border-bottom: 1px solid var(--rule); vertical-align: top; }
.rv th { background: var(--cotton); font-weight: 600; }
.rv td.gu { font-size: 20px; line-height: 1.3; white-space: nowrap; }
.rv tr.flag td { background: var(--turmeric-tint); }
.rv code { font-size: 12px; color: var(--muted); }

.toast {
  position: fixed; left: 50%; bottom: 100px; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px;
  max-width: min(90vw, 420px); font-size: 15px; z-index: 20; text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .stamp { animation: none; }
  .bar i { transition: none; }
}

/* ---------- v2: speaking-first additions ---------- */
.tile.roman { padding: 30px 24px; min-width: min(100%, 250px); line-height: 1.2; text-transform: none; overflow-wrap: break-word; }
.tile.r1 { font-size: 56px; }
.tile.r2 { font-size: 40px; }
.tile.r3 { font-size: 31px; }
.tile.r4 { font-size: 25px; }
.gu-line { font-size: 28px; color: var(--neel); line-height: 1.3; }
.row-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.slow::before { content: '🐢  '; }
.extra { font: 700 34px/1 var(--font-gu); color: var(--neel); }
.rec-zone { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 100%; margin-top: 6px; }
.say-hint { color: var(--muted); font-size: 15px; text-align: center; }
.btn.rec { background: var(--madder); color: #fff; box-shadow: 0 4px 0 #85261E; min-width: 180px; }
.btn.rec:active:not(:disabled) { box-shadow: 0 1px 0 #85261E; }
.btn.rec::before { content: '🎙  '; }
.btn.rec.on::before { content: '⏹  '; }
.btn.rec.on { animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 4px 0 #85261E, 0 0 0 8px rgba(181, 53, 43, .25); } }
.opt .o-rom { display: block; font-weight: 700; }
.opt .o-en { display: block; font-size: 15px; color: var(--muted); font-weight: 500; }
.say { font-weight: 700; }
@media (prefers-reduced-motion: reduce) { .btn.rec.on { animation: none; } }