/* Leximi i Kuranit — identité inspirée du livre « ABT-ja e Kuranit ».
   Couleurs mesurées sur le PDF, assombries quand elles servent de texte (contraste AA). */

@font-face { font-family: 'KFGQPC Hafs'; src: url('../fonts/kfgqpc-hafs-v18.woff2') format('woff2'); font-display: swap; }
@font-face { font-family: 'Nunito'; font-weight: 400; font-display: swap; src: url('../fonts/nunito-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: 'Nunito'; font-weight: 700; font-display: swap; src: url('../fonts/nunito-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: 'Nunito'; font-weight: 800; font-display: swap; src: url('../fonts/nunito-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: 'Nunito'; font-weight: 400; font-display: swap; src: url('../fonts/nunito-latin-ext-400-normal.woff2') format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: 'Nunito'; font-weight: 700; font-display: swap; src: url('../fonts/nunito-latin-ext-700-normal.woff2') format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: 'Nunito'; font-weight: 800; font-display: swap; src: url('../fonts/nunito-latin-ext-800-normal.woff2') format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: 'Nunito'; font-weight: 400; font-display: swap; src: url('../fonts/nunito-vietnamese-400-normal.woff2') format('woff2');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB; }
@font-face { font-family: 'Nunito'; font-weight: 700; font-display: swap; src: url('../fonts/nunito-vietnamese-700-normal.woff2') format('woff2');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB; }
@font-face { font-family: 'Nunito'; font-weight: 800; font-display: swap; src: url('../fonts/nunito-vietnamese-800-normal.woff2') format('woff2');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB; }

:root {
  color-scheme: light;
  /* Couverture du livre */
  --turquoise: #60CAD4;      /* fonds seulement, jamais en texte */
  --turquoise-soft: #E3F6F9;
  --petrol: #36788F;         /* accent principal, texte blanc dessus OK */
  --petrol-dark: #2A6073;
  --red: #ED1C24;            /* logo « ABT » */
  /* Code couleur des signes (p. 6 du livre) */
  --fatha: #D12287;  --fatha-bg: #FCEAF3;
  --kasra: #357EA0;  --kasra-bg: #E6F2F8;
  --damma: #B56007;  --damma-bg: #FDF0E2;
  --sukun: #BE3D21;  --sukun-bg: #FBEBE6;
  --long: #36788F;   --long-bg: #E3F6F9;
  /* Tuiles pastel du livre */
  --peach: #FEF1E1;  --peach-line: #EBD3B5;
  --anis: #EEF7D6;   --anis-line: #CFE3A0;
  --glacier: #E3F6F9; --glacier-line: #B4DEE4;
  /* Neutres */
  --bg: #F6F9F9;
  --paper: #FFFFFF;
  --ink: #1F2A2E;
  --muted: #4F5D63;          /* 6,4:1 sur blanc */
  --line: #D5E0E2;
  --correct: #1D6B4F; --correct-bg: #E8F5EE;
  --wrong: #B23A26;   --wrong-bg: #FCEEEA;
  --focus: #F2A900;
  --radius: 14px;
  --ar: 'KFGQPC Hafs', 'Noto Naskh Arabic', 'Geeza Pro', 'Traditional Arabic', serif;
  --base: 17px;
}
html.text-large { --base: 20px; }

* { box-sizing: border-box; }
html { font-size: var(--base); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; min-height: 100dvh;
  background: var(--bg); color: var(--ink);
  font-family: 'Nunito', system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.5;
}
button, input { font: inherit; color: inherit; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
svg { width: 1.25em; height: 1.25em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }
h1:focus { outline: none; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.ar { font-family: var(--ar); font-weight: 400; line-height: 1.9; }
.heavy { text-decoration: underline; text-decoration-thickness: .12em; text-underline-offset: .18em; }

.app-shell { width: min(100% - 32px, 720px); margin: 0 auto; padding: 18px 0 48px; }

/* ---------- Navigation ---------- */
.top-nav, .quiz-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 48px; margin-bottom: 8px; }
.back-link, .home-link {
  display: inline-flex; align-items: center; gap: 6px; min-height: 48px; padding: 8px 12px;
  border-radius: 12px; text-decoration: none; font-weight: 700; font-size: .9rem;
}
.back-link { padding-left: 8px; background: var(--paper); border: 1.5px solid var(--line); color: var(--petrol-dark); }
.back-link svg { width: 1.4em; height: 1.4em; }
.home-link { background: var(--paper); border: 1.5px solid var(--line); color: var(--petrol-dark); }
@media (hover: hover) { .home-link:hover, .back-link:hover { background: var(--turquoise-soft); } }

/* ---------- En-têtes ---------- */
.page-head { margin-bottom: 22px; }
.page-title { margin: 0; font-size: 2rem; line-height: 1.15; font-weight: 800; letter-spacing: -.01em; }
.bar-title { border-left: 6px solid var(--ink); padding-left: 12px; text-transform: uppercase; letter-spacing: .01em; }
.bar-title.small { font-size: 1.15rem; margin: 0 0 6px; }
.overline { margin: 0 0 6px; color: var(--petrol-dark); font-size: .85rem; font-weight: 800; }
.page-intro { margin: 10px 0 0; color: var(--muted); font-size: 1rem; }
.section-title { margin: 30px 0 12px; font-size: 1.2rem; font-weight: 800; }
.note { margin: 14px 0 0; color: var(--muted); font-size: .95rem; }
.inline-ar { font-size: 1.5em; line-height: 1.2; color: var(--ink); }
.lead { margin: 0 0 6px; font-size: 1.05rem; }
.status { min-height: 1.5em; margin: 12px 0 0; color: var(--muted); font-size: .95rem; }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; min-height: 48px; color: var(--petrol-dark); font-weight: 700; }

/* ---------- Accueil ---------- */
.hero {
  display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 18px;
  padding: 22px; border-radius: 22px; background: var(--turquoise); color: var(--ink);
}
.hero-logo { display: grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; background: #fff; box-shadow: 0 4px 0 rgba(31,42,46,.12); }
.hero-logo span { font-family: var(--ar); font-size: 50px; line-height: 1; color: var(--petrol-dark); transform: translateY(-6px); }
.hero h1 { margin: 0; font-size: 2rem; line-height: 1.1; font-weight: 800; }
.hero p { margin: 6px 0 0; font-size: 1rem; font-weight: 700; }
.home-grid { display: grid; gap: 12px; margin-top: 18px; }
.home-card {
  display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 14px;
  min-height: 88px; padding: 14px 16px; border-radius: 18px; border: 1.5px solid; text-decoration: none;
}
.home-icon { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 14px; background: rgba(255,255,255,.75); }
.home-icon svg { width: 30px; height: 30px; }
.home-copy strong { display: block; font-size: 1.25rem; font-weight: 800; }
.home-copy span { display: block; font-size: .95rem; color: var(--muted); }
.home-card > svg { color: var(--ink); opacity: .6; }
.c-lessons { background: var(--peach); border-color: var(--peach-line); }
.c-alphabet { background: var(--glacier); border-color: var(--glacier-line); }
.c-signs { background: var(--fatha-bg); border-color: #F1C2DA; }
.c-words { background: var(--anis); border-color: var(--anis-line); }
.c-quiz { background: #ECEFFA; border-color: #CCD5EF; }
.c-practice { background: var(--anis); border-color: var(--anis-line); }
.home-icon svg { color: var(--petrol-dark); }
.c-signs .home-icon svg { color: var(--fatha); }
.home-foot { margin-top: 28px; color: var(--muted); font-size: .9rem; text-align: center; }
.size-switch { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
.size-switch button { min-width: 48px; min-height: 48px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--paper); font-weight: 800; cursor: pointer; }
.size-switch button.big { font-size: 1.3rem; }
.size-switch button[aria-pressed="true"] { border-color: var(--petrol); background: var(--petrol); color: #fff; }

/* ---------- Alfabeti ---------- */
.letter-list { display: grid; gap: 12px; }
.letter-card {
  display: grid; grid-template-columns: 76px 1fr auto; align-items: center; gap: 14px;
  min-height: 92px; padding: 8px 16px; border-radius: var(--radius); border: 1.5px solid; text-decoration: none;
}
.tile-0 { background: var(--peach); border-color: var(--peach-line); }
.tile-1 { background: var(--anis); border-color: var(--anis-line); }
.tile-2 { background: var(--glacier); border-color: var(--glacier-line); }
.letter-card-ar { font-size: 3.2rem; text-align: center; line-height: 1.6; }
.letter-card-copy strong { display: block; font-size: 1.3rem; font-weight: 800; }
.letter-card-copy span { color: var(--muted); }
.letter-hero { display: grid; place-items: center; min-height: 190px; border-radius: 20px; background: var(--paper); border: 1.5px solid var(--line); }
.letter-hero-ar { font-size: 8rem; line-height: 1.5; }
.letter-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 14px 0 0; }
.letter-facts div { padding: 10px 14px; border-radius: 12px; background: var(--paper); border: 1.5px solid var(--line); }
.letter-facts dt { font-size: .8rem; font-weight: 800; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.letter-facts dd { margin: 2px 0 0; font-weight: 700; }
.letter-facts dd .ar { font-size: 1.6rem; line-height: 1.3; }

/* Formes de la lettre (tableau du livre, en cartes) */
.forms-cards { display: grid; gap: 12px; }
.forms-card { padding: 12px; border-radius: var(--radius); background: var(--paper); border: 1.5px solid var(--line); }
.forms-card header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.forms-card header a { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; min-height: 48px; min-width: 48px; }
.forms-card header strong { font-size: 1.15rem; }
.forms-main { font-size: 2rem; line-height: 1.4; }
.tone { color: var(--muted); font-size: .9rem; font-weight: 700; }
.forms-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; direction: ltr; }
.form-cell { display: grid; justify-items: center; padding: 6px 2px 8px; border-radius: 10px; background: var(--glacier); }
.form-glyph { color: var(--petrol-dark); font-weight: 800; font-size: .9rem; letter-spacing: .1em; }
.form-ar { font-size: 2.4rem; line-height: 1.6; }
.form-cell small { font-size: .8rem; font-weight: 700; color: var(--ink); }

/* Syllabes (boutons audio) */
.syl-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.syl-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.syl {
  position: relative; display: grid; justify-items: center; align-content: center; min-height: 112px; padding: 8px 6px 10px;
  border-radius: var(--radius); border: 2px solid var(--line); background: var(--paper); cursor: pointer;
}
.syl > svg { position: absolute; top: 8px; right: 8px; width: 18px; height: 18px; color: var(--petrol); }
.syl-ar { font-size: 2.6rem; line-height: 1.6; }
.syl-latin { font-weight: 800; font-size: 1.05rem; letter-spacing: .04em; }
.syl-note { font-size: .8rem; color: var(--muted); font-weight: 700; }
.syl-static { cursor: default; background: var(--sukun-bg); border-style: dashed; }
.syl.is-playing { border-color: var(--petrol); box-shadow: 0 0 0 3px var(--turquoise-soft); }
.sign-fatha.syl { border-bottom: 5px solid var(--fatha); }
.sign-kasra.syl { border-bottom: 5px solid var(--kasra); }
.sign-damma.syl { border-bottom: 5px solid var(--damma); }
.sign-sukun.syl { border-bottom: 5px solid var(--sukun); }
.sign-long.syl { border-bottom: 5px solid var(--long); }
.sukun-row { display: grid; grid-template-columns: 130px 1fr; gap: 14px; align-items: center; }
.sukun-row p { margin: 0; color: var(--muted); }
.sukun-row strong { color: var(--ink); }

/* ---------- Shenjat ---------- */
.family { margin-top: 26px; }
.family-intro { margin: 0 0 12px; color: var(--muted); }
.sign-list, .rule-list { display: grid; gap: 12px; }
.sign-card, .rule-card {
  display: grid; grid-template-columns: 76px 1fr; gap: 14px; padding: 14px;
  border-radius: var(--radius); background: var(--paper); border: 1.5px solid var(--line); border-left: 6px solid var(--line);
}
.sign-tile { display: grid; place-items: center; align-self: start; height: 96px; border-radius: 12px; }
.sign-tile-ar { font-size: 4.4rem; line-height: 1; padding-bottom: .15em; }
.sign-tile-ar.small { font-size: 2.2rem; }
.sign-fatha { border-left-color: var(--fatha); } .sign-fatha .sign-tile { background: var(--fatha-bg); color: var(--fatha); }
.sign-kasra { border-left-color: var(--kasra); } .sign-kasra .sign-tile { background: var(--kasra-bg); color: var(--kasra); }
.sign-damma { border-left-color: var(--damma); } .sign-damma .sign-tile { background: var(--damma-bg); color: var(--damma); }
.sign-sukun { border-left-color: var(--sukun); } .sign-sukun .sign-tile { background: var(--sukun-bg); color: var(--sukun); }
.sign-long { border-left-color: var(--long); } .sign-long .sign-tile { background: var(--long-bg); color: var(--long); }
.sign-body h3, .rule-card h3 { margin: 0; font-size: 1.15rem; font-weight: 800; }
.sign-body p, .rule-card p { margin: 6px 0 0; color: var(--muted); }
.formula { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; direction: ltr; margin-top: 4px; }
.f-ar { font-size: 2.3rem; line-height: 1.6; min-width: 1.4em; text-align: center; }
.f-sign { font-size: 2.8rem; }
.sign-fatha .f-sign { color: var(--fatha); } .sign-kasra .f-sign { color: var(--kasra); }
.sign-damma .f-sign { color: var(--damma); } .sign-sukun .f-sign { color: var(--sukun); } .sign-long .f-sign { color: var(--long); }
.f-op { font-size: 1.3rem; font-weight: 800; color: var(--muted); }
.f-result { font-weight: 400; padding: 0 8px; border-radius: 10px; background: var(--turquoise-soft); }
.sign-body .f-latin { margin-top: 0; color: var(--ink); font-weight: 800; letter-spacing: .04em; }
.sign-example { display: flex; align-items: center; gap: 14px; }
.ex-ar { font-size: 2.4rem; line-height: 1.6; color: var(--ink); }
.ex-latin { font-weight: 800; color: var(--ink); letter-spacing: .04em; }
.muted-note { font-style: italic; font-size: .9rem; }
.pill-audio, .toggle-readings, .pill-link {
  display: inline-flex; align-items: center; gap: 8px; min-height: 48px; margin-top: 10px; padding: 8px 16px;
  border-radius: 999px; border: 1.5px solid var(--petrol); background: var(--paper); color: var(--petrol-dark);
  font-weight: 800; font-size: .95rem; text-decoration: none; cursor: pointer;
}
.pill-audio.is-playing { background: var(--petrol); color: #fff; }

/* ---------- Mësimet ---------- */
.lesson-list { display: grid; gap: 12px; }
.lesson-card {
  display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 14px; min-height: 92px;
  padding: 12px 16px; border-radius: var(--radius); background: var(--paper); border: 1.5px solid var(--line); text-decoration: none;
}
.lesson-num { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--petrol); color: #fff; font-weight: 800; font-size: 1.15rem; }
.lesson-copy strong { display: block; font-weight: 800; }
.lesson-copy > span { display: block; color: var(--muted); }
.badge { display: inline-block; margin-top: 6px; padding: 2px 10px; border-radius: 999px; background: var(--turquoise); color: var(--ink); font-style: normal; font-weight: 800; font-size: .8rem; }
.lesson > :first-child { margin-top: 0; }
.points { margin: 0; padding-left: 1.2em; }
.points li { margin-bottom: 10px; }
.callout { margin-top: 18px; padding: 16px; border-radius: var(--radius); background: var(--glacier); border: 1.5px solid var(--glacier-line); }
.callout.secondary { background: var(--peach); border-color: var(--peach-line); }
.callout h3 { margin: 0; font-size: 1.1rem; font-weight: 800; }
.callout p { margin: 6px 0 0; }
.callout-example { display: flex; justify-content: center; align-items: center; gap: 16px; }
.callout-ar { font-size: 2.8rem; line-height: 1.6; }
.practice { display: grid; gap: 14px; }
.practice-row { padding: 12px; border-radius: var(--radius); background: var(--paper); border: 1.5px solid var(--line); }
.practice-head { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; font-size: 1.1rem; font-weight: 800; }
.practice-ar { font-size: 2.2rem; line-height: 1.4; }
.chains { display: grid; gap: 12px; }
.chain { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 0; padding: 0; list-style: none; direction: rtl; }
.chain-step { display: grid; justify-items: center; padding: 8px; border-radius: 12px; border: 1.5px solid; direction: ltr; }
.chain-step small { font-size: .8rem; font-weight: 800; color: var(--muted); }
.step-0 { background: var(--peach); border-color: var(--peach-line); }
.step-1 { background: var(--anis); border-color: var(--anis-line); }
.step-2 { background: var(--glacier); border-color: var(--glacier-line); }
.chain-ar { font-size: 2rem; line-height: 1.7; white-space: nowrap; }
.chain-reading { grid-column: 1 / -1; text-align: center; font-weight: 800; letter-spacing: .05em; direction: ltr; }
.lesson-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 30px; }
.lesson-nav a { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; border-radius: 12px; background: var(--paper); border: 1.5px solid var(--line); text-decoration: none; font-weight: 800; }

/* ---------- Mots ---------- */
.words-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.words-head .toggle-readings { margin-top: 18px; }
.word-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 12px 0 0; padding: 0; list-style: none; }
.word-card { display: grid; justify-items: center; align-content: center; min-height: 112px; padding: 8px; border-radius: 12px; background: var(--anis); border: 1.5px solid var(--anis-line); }
.word-ar { font-size: 2.4rem; line-height: 1.8; }
.word-reading { font-weight: 800; letter-spacing: .05em; color: var(--ink); }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-row button { min-height: 48px; padding: 8px 16px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--paper); font-weight: 800; cursor: pointer; }
.filter-row button[aria-pressed="true"] { background: var(--petrol); border-color: var(--petrol); color: #fff; }
.words-tools { display: flex; flex-wrap: wrap; gap: 10px; }
.counter { color: var(--muted); font-weight: 700; margin: 0 0 8px; }
.flash { display: grid; justify-items: center; align-content: center; min-height: 240px; border-radius: 20px; background: var(--anis); border: 1.5px solid var(--anis-line); }
.flash-ar { font-size: 4.5rem; line-height: 1.8; }
.flash-reading { margin: 0 0 14px; font-size: 1.4rem; font-weight: 800; letter-spacing: .05em; text-align: center; padding: 0 12px; }
.flash-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }

/* ---------- Boutons ---------- */
.btn-primary, .btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; min-height: 56px; padding: 10px 18px;
  border-radius: 14px; font-weight: 800; font-size: 1.05rem; text-decoration: none; cursor: pointer; border: 2px solid var(--petrol);
}
.btn-primary { background: var(--petrol); color: #fff; }
.btn-secondary { background: var(--paper); color: var(--petrol-dark); }
.btn-primary:disabled, .btn-secondary:disabled { opacity: .45; cursor: default; }
@media (hover: hover) { .btn-primary:not(:disabled):hover { background: var(--petrol-dark); } }
.wide { width: 100%; }
.link-button { min-height: 48px; padding: 8px 12px; border: 0; background: none; color: var(--petrol-dark); font-weight: 800; cursor: pointer; }

/* ---------- Kuizi ---------- */
.select-tools { display: flex; justify-content: flex-end; }
.letter-select-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 0; border: 0; }
.letter-select {
  display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 8px; min-height: 76px; padding: 8px 14px;
  border-radius: var(--radius); background: var(--paper); border: 2px solid var(--line); cursor: pointer;
}
.letter-select:has(input:checked) { border-color: var(--petrol); background: var(--turquoise-soft); }
.letter-select input { width: 24px; height: 24px; margin: 0; accent-color: var(--petrol); }
.select-ar { font-size: 2.4rem; line-height: 1.5; text-align: center; }
.letter-select strong { font-size: 1.15rem; }
.quiz-scope { margin: 14px 0 0; color: var(--muted); }
.quiz-scope strong { color: var(--ink); }
.error-text { min-height: 1.5em; color: var(--wrong); font-weight: 700; }
.quiz-progress { display: flex; justify-content: space-between; font-weight: 800; margin-bottom: 8px; }
.score { color: var(--correct); }
.progress { height: 8px; border-radius: 999px; background: var(--line); overflow: hidden; }
.progress span { display: block; width: 0; height: 100%; background: var(--petrol); transition: width .25s ease; }
.quiz-prompt { margin: 20px 0 10px; text-align: center; font-size: 1.5rem; font-weight: 800; }
.quiz-panel { display: grid; justify-items: center; padding: 10px 16px 16px; border-radius: 22px; background: var(--paper); border: 1.5px solid var(--line); }
.quiz-ar { font-size: 6.5rem; line-height: 1.7; }
.quiz-panel .pill-audio { margin-top: 0; }
.quiz-noaudio { margin: 0; color: var(--muted); font-weight: 700; }
.choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.choice {
  position: relative; min-height: 76px; border-radius: 14px; border: 2px solid var(--line); background: var(--paper);
  font-size: 1.5rem; font-weight: 800; letter-spacing: .06em; cursor: pointer;
}
.choice-key { position: absolute; top: 6px; left: 10px; font-size: .75rem; color: var(--muted); letter-spacing: 0; }
.choice:disabled { cursor: default; }
.choice.is-correct { background: var(--correct-bg); border-color: var(--correct); color: var(--correct); }
.choice.is-wrong { background: var(--wrong-bg); border-color: var(--wrong); color: var(--wrong); }
.choice.is-correct::after { content: '✓'; position: absolute; right: 14px; top: 50%; transform: translateY(-50%); }
.choice.is-wrong::after { content: '✕'; position: absolute; right: 14px; top: 50%; transform: translateY(-50%); }
.choice.is-dimmed { opacity: .55; }
.feedback { margin-top: 16px; padding: 14px 16px; border-radius: 12px; background: var(--correct-bg); border-left: 6px solid var(--correct); }
.feedback.wrong { background: var(--wrong-bg); border-left-color: var(--wrong); }
.fb-title { margin: 0; font-weight: 800; font-size: 1.15rem; }
.feedback:not(.wrong) .fb-title { color: var(--correct); }
.feedback.wrong .fb-title { color: var(--wrong); }
.fb-text { margin: 6px 0 0; }
#qNext { margin-top: 14px; }
.result { text-align: center; padding: 22px; border-radius: 22px; background: var(--turquoise); }
.result h1 { margin: 0; font-size: 1.6rem; font-weight: 800; }
.result-score { margin: 6px 0; font-size: 1.4rem; font-weight: 800; }
.result-score strong { font-size: 3rem; }
.result p:last-child { margin: 0; font-weight: 700; }
.mistakes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; }
.mistakes li { display: grid; justify-items: center; padding: 8px; border-radius: 12px; background: var(--wrong-bg); font-weight: 800; }
.mistake-ar { font-size: 2.6rem; line-height: 1.6; }
.result-actions { display: grid; gap: 10px; margin-top: 20px; }

/* ---------- Petits écrans ---------- */
@media (max-width: 420px) {
  .app-shell { width: min(100% - 24px, 720px); padding-top: 12px; }
  .hero { gap: 14px; padding: 18px; }
  .hero-logo { width: 68px; height: 68px; }
  .hero-logo span { font-size: 40px; }
  .hero h1, .page-title { font-size: 1.7rem; }
  .home-card { grid-template-columns: 48px 1fr auto; gap: 12px; }
  .home-icon { width: 48px; height: 48px; }
  .form-ar { font-size: 2rem; }
  .sign-card, .rule-card { grid-template-columns: 60px 1fr; gap: 12px; }
  .sign-tile { height: 76px; }
  .sign-tile-ar { font-size: 3.4rem; }
  .f-ar { font-size: 1.8rem; }
  .formula { gap: 2px 6px; }
  .sukun-row { grid-template-columns: 110px 1fr; }
  .chain-ar { font-size: 1.6rem; }
  .quiz-ar { font-size: 5.5rem; }
}
@media (max-width: 340px) {
  .syl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .letter-select-list, .word-grid { grid-template-columns: 1fr; }
  .chain { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* ---------- Ushtrime ---------- */
.practice-grid { display: grid; gap: 14px; }
.practice-card {
  display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 14px;
  min-height: 120px; padding: 18px 16px; border-radius: 18px; border-width: 1.5px; border-style: solid; text-decoration: none;
}
.practice-card > svg { color: var(--ink); opacity: .6; }

/* ---------- Animation d'entrée des pages ---------- */
@keyframes page-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes card-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.page-enter { animation: page-in .28s ease-out backwards; }
.page-enter .home-card, .page-enter .practice-card, .page-enter .lesson-card, .page-enter .letter-card { animation: card-in .32s ease-out backwards; }
.page-enter :is(.home-card, .practice-card, .lesson-card, .letter-card):nth-child(2) { animation-delay: .04s; }
.page-enter :is(.home-card, .practice-card, .lesson-card, .letter-card):nth-child(3) { animation-delay: .08s; }
.page-enter :is(.home-card, .practice-card, .lesson-card, .letter-card):nth-child(4) { animation-delay: .12s; }
.page-enter :is(.home-card, .practice-card, .lesson-card, .letter-card):nth-child(n+5) { animation-delay: .16s; }
@media (prefers-reduced-motion: reduce) {
  .page-enter, .page-enter * { animation: none !important; }
}

/* ---------- Survol et toucher des cartes ---------- */
.home-card, .practice-card, .lesson-card, .letter-card, .syl, .lesson-nav a, .choice:not(:disabled), .word-card {
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.home-card > svg, .practice-card > svg, .lesson-card > svg, .letter-card > svg { transition: transform .18s ease, opacity .18s ease; }
@media (hover: hover) and (pointer: fine) {
  :is(.home-card, .practice-card, .lesson-card, .letter-card, .lesson-nav a):hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(31, 42, 46, .10);
  }
  :is(.home-card, .practice-card, .lesson-card, .letter-card):hover > svg { transform: translateX(4px); opacity: 1; }
  :is(.syl, .choice):not(.syl-static):not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(31, 42, 46, .10);
    border-color: var(--petrol);
  }
  .word-card:hover { transform: translateY(-2px); box-shadow: 0 6px 14px rgba(31, 42, 46, .08); }
}
:is(.home-card, .practice-card, .lesson-card, .letter-card, .lesson-nav a, .syl, .choice):not(:disabled):active { transform: scale(.98); }
@media (prefers-reduced-motion: reduce) {
  :is(.home-card, .practice-card, .lesson-card, .letter-card, .syl, .choice, .word-card, .lesson-nav a),
  :is(.home-card, .practice-card, .lesson-card, .letter-card, .syl, .choice, .word-card, .lesson-nav a):hover,
  :is(.home-card, .practice-card, .lesson-card, .letter-card, .syl, .choice, .lesson-nav a):active { transform: none; transition: none; }
}