:root{
  --ink:#18324A; --ink-2:#29455f; --paper:#F7F3EA; --paper-2:#EEE7DA;
  --burgundy:#7A343F; --charcoal:#252525; --muted:#6F746F; --line:#DED7C9;
  --success:#4F6657; --danger:#8B4B4B; --white:#fff; --shadow:0 14px 40px rgba(24,50,74,.12);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",Times,serif;
  --reader-size:20px; --reader-line:1.72;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--paper);color:var(--charcoal);font-family:var(--sans)}
button,input,select{font:inherit}
button{cursor:pointer}
button:focus-visible,.clickable:focus-visible{outline:3px solid rgba(122,52,63,.28);outline-offset:2px}
.app-shell{min-height:100dvh;padding-bottom:86px}
.screen{max-width:760px;margin:0 auto;padding:calc(env(safe-area-inset-top) + 18px) 20px 32px}
.topline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.08em;color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);display:grid;place-items:center;color:var(--paper);font-family:var(--serif);font-weight:700}
.kicker{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--burgundy);font-weight:800}
h1,h2,h3,p{margin-top:0}
h1{font-family:var(--serif);font-weight:500;font-size:clamp(34px,7vw,52px);line-height:1.03;color:var(--ink);margin-bottom:12px}
h2{font-family:var(--serif);font-weight:500;color:var(--ink);font-size:30px}
h3{font-size:17px;color:var(--ink);margin-bottom:8px}
.lead{font-size:18px;line-height:1.55;color:#4B514F}
.muted{color:var(--muted)}
.small{font-size:13px}
.card{background:rgba(255,255,255,.52);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 2px 0 rgba(24,50,74,.02)}
.card + .card{margin-top:12px}
.hero-card{padding:22px;background:linear-gradient(145deg,rgba(255,255,255,.68),rgba(238,231,218,.62))}
.primary{border:0;border-radius:16px;background:var(--ink);color:var(--paper);padding:14px 18px;font-weight:750;min-height:48px}
.secondary{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.5);color:var(--ink);padding:13px 16px;font-weight:700;min-height:46px}
.ghost{border:0;background:transparent;color:var(--ink);padding:10px 8px;font-weight:700}
.burgundy{background:var(--burgundy)}
.full{width:100%}
.row{display:flex;align-items:center;gap:10px}
.row.wrap{flex-wrap:wrap}
.between{justify-content:space-between}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:7px 11px;background:var(--paper-2);color:var(--ink);font-size:12px;font-weight:700}
.pill.active{background:var(--ink);color:var(--paper)}
.section{margin:28px 0}
.section-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:12px}
.section-title h2{font-size:24px;margin:0}
.metric{padding:14px 0;border-top:1px solid var(--line)}
.metric:first-child{border-top:0}
.metric strong{font-size:25px;font-family:var(--serif);font-weight:500;color:var(--ink)}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:rgba(247,243,234,.94);backdrop-filter:blur(16px);border-top:1px solid var(--line);padding:8px max(12px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));z-index:30}
.bottom-nav-inner{max-width:760px;margin:auto;display:grid;grid-template-columns:repeat(4,1fr)}
.nav-btn{border:0;background:transparent;padding:8px 4px;color:var(--muted);font-size:11px;font-weight:700;display:flex;flex-direction:column;align-items:center;gap:5px}
.nav-btn .ico{font-size:19px;line-height:1}
.nav-btn.active{color:var(--ink)}
.choice{width:100%;text-align:left;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.45);padding:16px;color:var(--charcoal)}
.choice.selected{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink);background:rgba(255,255,255,.72)}
.progress-line{height:5px;background:var(--line);border-radius:99px;overflow:hidden}
.progress-line > span{display:block;height:100%;background:var(--burgundy)}
.onboarding{display:flex;min-height:100dvh;align-items:center}
.onboarding .inner{width:100%;max-width:620px;margin:auto;padding:30px 20px}
.step-dots{display:flex;gap:7px;margin-bottom:28px}
.step-dot{width:24px;height:4px;border-radius:9px;background:var(--line)}
.step-dot.active{background:var(--burgundy)}
.time-btn{flex:1;border:1px solid var(--line);border-radius:16px;padding:13px 8px;background:rgba(255,255,255,.5);font-weight:800;color:var(--ink)}
.time-btn.active{background:var(--ink);color:var(--paper)}
.reading-card{display:block;width:100%;text-align:left}
.reading-card .meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}
.reading-card.read{opacity:.68}
.reader-screen{max-width:760px;margin:auto;min-height:100dvh;background:var(--paper);padding-bottom:120px}
.reader-head{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:calc(env(safe-area-inset-top) + 12px) 16px 12px;background:rgba(247,243,234,.94);backdrop-filter:blur(15px);border-bottom:1px solid rgba(222,215,201,.7)}
.reader-tools{display:flex;align-items:center;gap:6px}
.icon-btn{width:44px;height:44px;border:0;background:transparent;border-radius:13px;color:var(--ink);font-size:19px}
.icon-btn:hover{background:var(--paper-2)}
.reader-content{max-width:680px;margin:auto;padding:34px 24px}
.reader-title{font-family:var(--serif);font-weight:500;color:var(--ink);font-size:38px;line-height:1.12;margin-bottom:8px}
.reader-meta{color:var(--muted);font-size:13px;margin-bottom:30px}
.reader-text{font-family:var(--serif);font-size:var(--reader-size);line-height:var(--reader-line);letter-spacing:.002em}
.reader-word{border-radius:5px;padding:1px 1px;cursor:pointer;transition:.15s}
.reader-word:hover{background:rgba(122,52,63,.09)}
.reader-word.target{background:linear-gradient(transparent 68%,rgba(122,52,63,.16) 68%)}
.reader-footer{max-width:680px;margin:0 auto;padding:0 24px}
.sheet-backdrop{position:fixed;inset:0;background:rgba(16,27,36,.22);z-index:60;display:flex;align-items:flex-end}
.sheet{width:100%;max-width:760px;margin:0 auto;background:var(--paper);border-radius:28px 28px 0 0;padding:14px 20px calc(20px + env(safe-area-inset-bottom));box-shadow:0 -20px 60px rgba(24,50,74,.2);max-height:78dvh;overflow:auto;animation:sheetUp .18s ease-out}
@keyframes sheetUp{from{transform:translateY(20px);opacity:.6}to{transform:none;opacity:1}}
.sheet-handle{width:44px;height:5px;border-radius:99px;background:var(--line);margin:0 auto 18px}
.word-title{font-family:var(--serif);font-size:34px;color:var(--ink);margin-bottom:2px}
.word-meaning{font-size:18px;margin:14px 0}
.example{font-family:var(--serif);font-size:18px;line-height:1.5;border-left:3px solid var(--burgundy);padding-left:14px}
.sheet-actions{display:flex;gap:10px;margin-top:18px}
.sheet-actions button{flex:1}
.question{font-family:var(--serif);font-size:24px;line-height:1.35;color:var(--ink)}
.answer-btn{width:100%;text-align:left;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.52);padding:14px;margin-top:10px}
.answer-btn.good{background:rgba(79,102,87,.12);border-color:rgba(79,102,87,.5)}
.answer-btn.bad{background:rgba(139,75,75,.10);border-color:rgba(139,75,75,.45)}
.toast{position:fixed;z-index:100;left:50%;bottom:100px;transform:translateX(-50%) translateY(10px);background:var(--charcoal);color:white;padding:11px 15px;border-radius:999px;font-size:13px;opacity:0;pointer-events:none;transition:.2s;white-space:nowrap;max-width:88vw;overflow:hidden;text-overflow:ellipsis}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.library-tabs{display:flex;gap:8px;overflow:auto;padding-bottom:4px;margin-bottom:16px}
.lib-btn{white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:9px 13px;background:transparent;color:var(--ink);font-weight:700}
.lib-btn.active{background:var(--ink);color:var(--paper)}
.search{width:100%;border:1px solid var(--line);background:rgba(255,255,255,.48);border-radius:16px;padding:14px 15px;color:var(--charcoal);outline:none}
.search:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(24,50,74,.08)}
.list-item{padding:15px 0;border-top:1px solid var(--line);cursor:pointer}
.list-item:first-child{border-top:0}
.list-item strong{color:var(--ink)}
.list-item p{margin:5px 0 0;font-size:14px;color:var(--muted)}
.wordbook{display:grid;grid-template-columns:repeat(auto-fill,minmax(12px,1fr));gap:4px;align-items:end;height:80px;padding:12px;border-bottom:8px solid #8c6b4d;background:linear-gradient(#ece2d1,#e7dcc8);border-radius:15px 15px 3px 3px}
.book{border-radius:3px 3px 1px 1px;background:var(--burgundy);height:var(--h);min-width:8px;box-shadow:inset -2px 0 rgba(0,0,0,.08)}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 0;border-top:1px solid var(--line)}
.setting-row:first-child{border-top:0}
.toggle{width:52px;height:30px;background:var(--line);border-radius:99px;padding:3px;border:0}
.toggle::after{content:"";display:block;width:24px;height:24px;border-radius:50%;background:white;transition:.2s;box-shadow:0 2px 7px rgba(0,0,0,.15)}
.toggle.on{background:var(--ink)}
.toggle.on::after{transform:translateX(22px)}
.empty{padding:30px 10px;text-align:center;color:var(--muted)}
.diag-option{display:block;width:100%;text-align:left;border:1px solid var(--line);border-radius:16px;padding:14px;background:rgba(255,255,255,.5);margin-top:10px}
.diag-option.selected{border-color:var(--ink);background:rgba(24,50,74,.06)}
.audio-bar{position:fixed;left:50%;bottom:85px;transform:translateX(-50%);width:min(680px,calc(100% - 24px));z-index:25;background:var(--ink);color:var(--paper);border-radius:18px;padding:10px 12px;box-shadow:var(--shadow);display:flex;align-items:center;gap:10px}
.audio-bar button{border:0;background:rgba(255,255,255,.08);color:var(--paper);width:40px;height:40px;border-radius:12px}
.audio-bar select{background:transparent;color:var(--paper);border:0}
.audio-bar select option{color:var(--charcoal)}
.badge{font-size:11px;font-weight:800;border-radius:999px;padding:5px 8px;background:var(--paper-2);color:var(--ink)}
.note{border-left:3px solid var(--burgundy);padding:12px 14px;background:rgba(122,52,63,.055);border-radius:0 12px 12px 0;line-height:1.5}
body.dark{--paper:#17191B;--paper-2:#222529;--charcoal:#ECE8DE;--muted:#A9ADA8;--line:#34393E;--ink:#D9E5EF;--ink-2:#B7C8D7;--burgundy:#C8808A;--white:#222529;background:var(--paper)}
body.dark .card,body.dark .choice,body.dark .secondary,body.dark .answer-btn,body.dark .search,body.dark .diag-option{background:rgba(34,37,41,.72)}
body.dark .bottom-nav,body.dark .reader-head{background:rgba(23,25,27,.94)}
body.dark .sheet{background:var(--paper)}
@media(max-width:520px){
  .screen{padding-left:16px;padding-right:16px}
  .grid{grid-template-columns:1fr}
  .grid.keep-two{grid-template-columns:repeat(2,1fr)}
  .reader-content{padding-left:20px;padding-right:20px}
  .reader-title{font-size:34px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* V1.1 — dictionnaire étendu + feedback de compréhension */
.dictionary-loading{display:flex;align-items:center;gap:13px;padding:20px 2px;color:var(--ink)}
.spinner{width:24px;height:24px;border:3px solid var(--line);border-top-color:var(--burgundy);border-radius:50%;animation:spin .8s linear infinite;flex:0 0 auto}
@keyframes spin{to{transform:rotate(360deg)}}
.dictionary-source{margin-top:16px;padding-top:11px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}
.answer-feedback{display:flex;gap:14px;align-items:flex-start;border-radius:18px;padding:16px;margin:8px 0 14px;border:1px solid var(--line)}
.answer-feedback.correct{background:rgba(79,102,87,.10);border-color:rgba(79,102,87,.38)}
.answer-feedback.incorrect{background:rgba(139,75,75,.08);border-color:rgba(139,75,75,.36)}
.feedback-icon{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:900;flex:0 0 34px;background:var(--paper-2);color:var(--ink)}
.answer-feedback.correct .feedback-icon{color:var(--success)}
.answer-feedback.incorrect .feedback-icon{color:var(--danger)}
.answer-feedback p{margin:5px 0 0;line-height:1.45}
.glossary-search{display:grid;grid-template-columns:1fr auto;gap:9px;margin-top:14px}
@media(max-width:480px){.glossary-search{grid-template-columns:1fr}.glossary-search .primary{width:100%}}

/* LIRE V1.2 — dictionnaire contextuel */
.reader-expression{border-radius:6px;cursor:pointer;padding:1px 2px;background:linear-gradient(transparent 72%,rgba(122,52,63,.14) 72%);text-decoration:underline;text-decoration-style:dotted;text-decoration-color:rgba(122,52,63,.42);text-underline-offset:4px}
.reader-expression:hover{background:rgba(122,52,63,.10)}
.poly-pill{margin-top:7px;background:rgba(122,52,63,.09);color:var(--burgundy)}
.matched-form{font-size:13px;color:var(--muted);margin-top:7px}
.lexical-context{font-family:var(--serif);font-size:16px;line-height:1.48;margin:15px 0;padding:12px 14px;border-radius:14px;background:rgba(24,50,74,.045);color:var(--charcoal)}
.context-label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--burgundy);font-weight:800;margin:18px 0 8px}
.other-label{margin-top:22px}
.sense-card{width:100%;text-align:left;border:1px solid var(--line);border-radius:16px;padding:14px;background:rgba(255,255,255,.35);color:var(--charcoal);margin-top:8px}
.primary-sense{background:rgba(24,50,74,.055);border-color:rgba(24,50,74,.18)}
.other-sense{cursor:pointer}
.other-sense:hover{border-color:rgba(122,52,63,.45);background:rgba(122,52,63,.04)}
.sense-head{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:17px;color:var(--ink)}
.sense-star{color:var(--burgundy);font-size:15px}
.sense-number{width:22px;height:22px;display:inline-grid;place-items:center;border-radius:99px;background:var(--paper-2);font-size:11px;font-weight:800}
.sense-card p{font-size:14px;line-height:1.45;margin:8px 0 0;color:var(--muted)}
.sense-example{font-family:var(--serif);font-size:15px;line-height:1.45;margin-top:9px;color:var(--charcoal)}
.choose-sense{display:block;font-size:11px;font-weight:800;color:var(--burgundy);margin-top:9px}
.sense-reason{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.4}
.dictionary-warning{border-left:3px solid var(--burgundy);background:rgba(122,52,63,.06);padding:13px 14px;border-radius:0 12px 12px 0;margin-top:16px;line-height:1.45}
.dictionary-source a{color:inherit;text-decoration:underline;text-underline-offset:2px}
body.dark .sense-card{background:rgba(34,37,41,.74)}
body.dark .primary-sense{background:rgba(217,229,239,.06)}
body.dark .lexical-context{background:rgba(217,229,239,.05)}

/* V1.3 Long Reading */
.reader-section-title{font-family:var(--serif);font-size:25px;font-weight:500;color:var(--ink);margin:38px 0 14px;padding-top:8px;border-top:1px solid var(--line)}
.duration-tabs{margin-top:-6px;margin-bottom:20px}
.reader-text p{margin:0 0 1.15em}

/* LIRE V1.4 — Conjugaison */
.conj-home-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 26px}
.conj-entry{min-height:142px;text-align:left;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--line);background:rgba(255,255,255,.5);border-radius:22px;padding:18px;color:var(--charcoal)}
.conj-entry strong{font-family:var(--serif);font-size:22px;color:var(--ink);font-weight:500}.conj-entry span{font-size:13px;color:var(--muted);line-height:1.45}
.tense-card{padding:18px 0;border-top:1px solid var(--line)}.tense-card:first-child{border-top:0}.tense-head{display:flex;gap:10px;align-items:center;justify-content:space-between}.tense-card p{line-height:1.55;margin:9px 0}.tense-equivalent{font-size:14px;color:var(--burgundy);font-weight:700}.tense-example{font-family:var(--serif);font-size:17px;line-height:1.5;background:var(--paper-2);border-radius:14px;padding:12px;margin-top:10px}
.verb-toolbar{display:grid;grid-template-columns:1fr auto;gap:10px;margin:14px 0}.verb-filter-row{display:flex;gap:8px;overflow:auto;padding-bottom:5px}.verb-card{width:100%;text-align:left;border:1px solid var(--line);border-radius:18px;padding:15px;background:rgba(255,255,255,.45);margin-top:9px}.verb-card .verb-name{font-family:var(--serif);font-size:21px;color:var(--ink)}.verb-rank{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--paper-2);font-size:11px;font-weight:800;color:var(--ink)}
.irregular-mark{background:rgba(122,52,63,.12);color:var(--burgundy)}.regular-mark{background:rgba(79,102,87,.12);color:var(--success)}
.conj-verb-header{padding:22px}.conj-verb-header h1{margin-bottom:7px}.verb-meanings{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.verb-meaning{font-size:12px;border-radius:999px;padding:7px 10px;background:var(--paper-2);color:var(--ink)}
.tense-picker{display:flex;gap:8px;overflow:auto;padding:5px 0 12px;scrollbar-width:none}.tense-picker::-webkit-scrollbar{display:none}.tense-chip{white-space:nowrap;border:1px solid var(--line);background:transparent;color:var(--ink);padding:9px 12px;border-radius:999px;font-weight:700;font-size:12px}.tense-chip.active{background:var(--ink);color:var(--paper)}
.conj-table{width:100%;border-collapse:separate;border-spacing:0;margin-top:12px;overflow:hidden;border:1px solid var(--line);border-radius:18px}.conj-table td{padding:13px 14px;border-top:1px solid var(--line);font-family:var(--serif);font-size:17px}.conj-table tr:first-child td{border-top:0}.conj-table td:first-child{width:36%;font-family:var(--sans);font-size:12px;color:var(--muted);background:rgba(238,231,218,.32)}
.conj-note{margin-top:14px}.conj-source-note{font-size:12px;line-height:1.5;color:var(--muted);margin-top:18px}.priority-essential{background:rgba(79,102,87,.12);color:var(--success)}.priority-literary{background:rgba(122,52,63,.1);color:var(--burgundy)}
@media(max-width:520px){.conj-home-grid{grid-template-columns:1fr}.verb-toolbar{grid-template-columns:1fr}.conj-table td{padding:12px 11px}.conj-table td:first-child{width:31%}}