:root{
  --bg:#f4f5fb; --card:#fff; --ink:#1e2235; --muted:#6b7280;
  --pri:#4f46e5; --pri-d:#4338ca; --ok:#16a34a; --bad:#dc2626;
  --line:#e6e8f0; --radius:16px;
  --a1:#22c55e; --a2:#10b981; --b1:#3b82f6; --b2:#8b5cf6; --c1:#ef4444;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;padding-bottom:84px}
a{color:inherit;text-decoration:none}

/* topbar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;background:var(--pri);color:#fff;padding-top:calc(14px + env(safe-area-inset-top))}
.brand{font-weight:800;font-size:19px}.brand span{font-weight:400;opacity:.85}
.streak{background:rgba(255,255,255,.18);padding:5px 12px;border-radius:20px;font-weight:700;font-size:15px}

.container{max-width:620px;margin:0 auto;padding:18px}
.page-title{font-size:24px;margin:6px 0 4px}
.section{font-size:15px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);
  margin:26px 0 12px;display:flex;align-items:center;gap:8px}
.section small{font-weight:400;text-transform:none;letter-spacing:0}
.muted{color:var(--muted);font-size:14px}
.back{display:inline-block;color:var(--pri);font-weight:600;margin-bottom:6px;font-size:15px}

/* tabbar */
.tabbar{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--card);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);z-index:20}
.tabbar a{flex:1;text-align:center;padding:9px 0 7px;font-size:11px;color:var(--muted);font-weight:600}
.tabbar a span{display:block;font-size:21px;margin-bottom:2px;filter:grayscale(.4);opacity:.7}
.tabbar a.active{color:var(--pri)}
.tabbar a.active span{filter:none;opacity:1}

/* stats */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}
.stat{background:var(--card);border-radius:var(--radius);padding:18px;text-align:center;
  box-shadow:0 1px 3px rgba(20,20,60,.06)}
.stat .num{font-size:30px;font-weight:800;color:var(--pri)}
.stat .lbl{font-size:12.5px;color:var(--muted);margin-top:2px}

.cta{display:block;background:var(--pri);color:#fff;text-align:center;padding:16px;
  border-radius:var(--radius);font-weight:700;margin:8px 0 4px;box-shadow:0 6px 16px rgba(79,70,229,.3)}
.cta.done{background:#e8f6ee;color:var(--ok);box-shadow:none}

.cards{display:flex;flex-direction:column;gap:12px}
.card{display:flex;align-items:center;gap:14px;background:var(--card);padding:16px;
  border-radius:var(--radius);box-shadow:0 1px 3px rgba(20,20,60,.06)}
.card-ic{font-size:26px;width:48px;height:48px;display:grid;place-items:center;
  background:#eef0fb;border-radius:12px}
.card b{display:block}.card span{font-size:13px;color:var(--muted)}

/* lessons */
.lesson-list{display:flex;flex-direction:column;gap:9px}
.lesson-row{display:flex;align-items:center;gap:12px;background:var(--card);padding:14px 16px;
  border-radius:14px;box-shadow:0 1px 3px rgba(20,20,60,.05)}
.lesson-title{flex:1;font-weight:600}
.chev{color:var(--muted);font-size:22px}
.badge{font-size:11px;font-weight:800;color:#fff;padding:3px 8px;border-radius:8px}
.badge-A1{background:var(--a1)}.badge-A2{background:var(--a2)}.badge-B1{background:var(--b1)}
.badge-B2{background:var(--b2)}.badge-C1{background:var(--c1)}

/* grammar + vocab */
.grammar{background:#eef0fb;border-radius:var(--radius);padding:16px;margin:14px 0}
.grammar h3{margin:0 0 8px;font-size:15px}
.grammar p{margin:0;line-height:1.6;font-size:15px}
.vocab-list{display:flex;flex-direction:column;gap:9px}
.vocab-item{background:var(--card);padding:13px 16px;border-radius:13px;box-shadow:0 1px 3px rgba(20,20,60,.05)}
.vrow{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.vrow .en{font-size:16px}.vrow .ro{color:var(--muted);font-size:14px;text-align:right}
.ex{font-size:13px;color:var(--muted);font-style:italic;margin-top:5px}
.lesson-actions{display:flex;gap:10px;margin:20px 0;flex-wrap:wrap}

/* buttons */
.btn{display:inline-block;background:#eef0fb;color:var(--pri);border:none;padding:13px 18px;
  border-radius:12px;font-weight:700;font-size:15px;cursor:pointer;text-align:center}
.btn.primary{background:var(--pri);color:#fff}
.btn.primary:active{background:var(--pri-d)}
.btn.big{width:100%;padding:16px}
.btn.small{padding:8px 12px;font-size:13px}
.btn.logout,.btn.next{background:#fff;border:1px solid var(--line)}
.btn.logout{color:var(--bad);margin-top:24px;width:100%}
.btn.next{margin-top:12px;width:100%;color:var(--pri)}

/* login */
.login-wrap{min-height:80vh;display:grid;place-items:center}
.login-card{background:var(--card);padding:30px 24px;border-radius:22px;width:100%;max-width:380px;
  box-shadow:0 10px 40px rgba(20,20,60,.1);text-align:center}
.login-card h1{margin:0 0 2px}.accent{color:var(--pri)}
.login-card form{display:flex;flex-direction:column;gap:14px;margin-top:22px;text-align:left}
label{font-size:13px;font-weight:600;color:var(--muted);display:flex;flex-direction:column;gap:6px}
input,select,textarea{font-size:16px;padding:13px 14px;border:1px solid var(--line);border-radius:12px;
  font-family:inherit;background:#fff;color:var(--ink)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--pri)}

.alert{padding:12px 14px;border-radius:12px;font-size:14px;margin:12px 0}
.alert.err{background:#fde8e8;color:var(--bad)}
.alert.ok{background:#e8f6ee;color:var(--ok)}

/* exercises */
.exo-progress{color:var(--muted);font-weight:600;margin-bottom:12px}
.q{font-size:19px;font-weight:600;margin:10px 0 18px;line-height:1.4}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{background:var(--card);border:2px solid var(--line);padding:15px;border-radius:13px;
  font-size:16px;text-align:left;cursor:pointer}
.opt.right{border-color:var(--ok);background:#e8f6ee}
.opt.wrong{border-color:var(--bad);background:#fde8e8}
.ans-input{width:100%;margin-bottom:6px}
.hint{font-size:13px;color:var(--muted);margin:6px 0 12px}
.feedback{margin-top:16px;font-size:16px;font-weight:600}
.feedback.good{color:var(--ok)}.feedback.bad{color:var(--bad)}
.finish{text-align:center;padding:30px 0;display:flex;flex-direction:column;gap:12px}

/* flashcard */
.flashcard{background:var(--card);border-radius:22px;padding:34px 22px;text-align:center;
  box-shadow:0 4px 20px rgba(20,20,60,.08);margin-top:14px}
.fc-front{font-size:30px;font-weight:800;margin-bottom:18px}
.fc-back{margin:14px 0 22px}
.ro-big{font-size:24px;font-weight:700;color:var(--pri)}
.rate{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:18px}
.rb{border:none;padding:15px;border-radius:13px;font-weight:700;font-size:15px;cursor:pointer;color:#fff}
.rb.again{background:#ef4444}.rb.hard{background:#f59e0b}.rb.good{background:#3b82f6}.rb.easy{background:#22c55e}

/* translate */
.tr-langs{display:flex;align-items:center;gap:10px;justify-content:center;font-weight:700;margin:8px 0 16px}
.tr-input{width:100%;min-height:120px;resize:vertical;font-size:17px;margin-bottom:12px}
.tr-output{background:var(--card);border-radius:var(--radius);padding:18px;margin-top:16px;
  box-shadow:0 1px 3px rgba(20,20,60,.06)}
.tr-result{font-size:19px;font-weight:600;margin-bottom:10px}
.tr-inputwrap{position:relative}
.mic-btn{position:absolute;right:10px;bottom:22px;width:46px;height:46px;border-radius:50%;
  border:none;background:var(--pri);color:#fff;font-size:21px;cursor:pointer;
  box-shadow:0 3px 10px rgba(79,70,229,.4);display:grid;place-items:center}
.mic-btn.rec{background:var(--bad);animation:pulse 1.1s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(220,38,38,.5)}70%{box-shadow:0 0 0 14px rgba(220,38,38,0)}100%{box-shadow:0 0 0 0 rgba(220,38,38,0)}}
.micstate{min-height:20px;font-size:13px;color:var(--muted);margin-bottom:10px;font-weight:600}
.tr-actions{display:flex;gap:10px}
.swap-btn{border:none;background:#eef0fb;color:var(--pri);width:38px;height:38px;border-radius:50%;
  font-size:18px;cursor:pointer;font-weight:700}
.swap-btn:active{transform:rotate(180deg)}

/* install bar */
.install-bar{position:fixed;left:10px;right:10px;bottom:78px;z-index:30;display:flex;align-items:center;gap:10px;
  background:var(--ink);color:#fff;padding:12px 14px;border-radius:14px;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.install-bar span{flex:1;font-size:13.5px;font-weight:600}
.install-bar .ib-go{background:var(--pri);color:#fff;border:none;padding:9px 14px;border-radius:10px;font-weight:700;cursor:pointer}
.install-bar .ib-x{background:transparent;color:#aaa;border:none;font-size:16px;cursor:pointer}

/* photo translate */
.photo-sec{margin-top:24px;border-top:1px solid var(--line);padding-top:8px}
.photo-target{display:flex;gap:14px;align-items:center;font-size:14px;color:var(--muted);margin:8px 0 12px;flex-wrap:wrap}
.photo-target label{flex-direction:row;align-items:center;gap:5px;color:var(--ink)}
.photo-btn{width:100%}
.ocr-det{margin-top:12px;font-size:13px;color:var(--muted)}
.ocr-det summary{cursor:pointer;font-weight:600}
.ocr-det pre{white-space:pre-wrap;background:#f4f5fb;padding:10px;border-radius:8px;margin-top:6px;font-size:12.5px}

/* travel */
.travel-head{color:var(--pri)}
.travel-row{border-left:4px solid var(--pri)}
.travel-row .lesson-title{font-size:16px}

/* pronuntie pe cuvant */
.word-actions{display:flex;align-items:center;gap:8px;margin-top:8px}
.wa{background:#eef0fb;border:none;width:34px;height:34px;border-radius:9px;font-size:15px;cursor:pointer}
.wa.rec{background:var(--bad);animation:pulse 1.1s infinite}
.wa-fb{font-size:13px;color:var(--muted);font-weight:600}
.wa-fb.ok{color:var(--ok)}.wa-fb.bad{color:var(--bad)}
.listen-play{width:100%;margin-bottom:12px;background:#eef0fb}

/* statistici */
.bars{display:flex;align-items:flex-end;gap:5px;height:140px;background:var(--card);
  padding:14px 10px 6px;border-radius:var(--radius);box-shadow:0 1px 3px rgba(20,20,60,.06)}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}
.bar{width:100%;max-width:22px;background:var(--pri);border-radius:5px 5px 0 0;min-height:3px;transition:height .3s}
.bar-lbl{font-size:9px;color:var(--muted);margin-top:4px;transform:rotate(-50deg);white-space:nowrap}
.srs-bar{display:flex;height:26px;border-radius:8px;overflow:hidden;background:#eef0fb}
.seg-new{background:#cbd5e1}.seg-learn{background:#f59e0b}.seg-known{background:var(--ok)}
.srs-legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px;font-size:13px;color:var(--muted)}
.dot{display:inline-block;width:11px;height:11px;border-radius:50%;margin-right:4px;vertical-align:middle}
.dnew{background:#cbd5e1}.dlearn{background:#f59e0b}.dknown{background:var(--ok)}
.level-prog{margin-bottom:14px}
.level-prog-head{display:flex;align-items:center;gap:10px;font-size:14px;margin-bottom:6px}
.level-prog-head .pct{margin-left:auto;font-weight:700;color:var(--pri)}
.prog-track{height:10px;background:#eef0fb;border-radius:6px;overflow:hidden}
.prog-fill{height:100%;border-radius:6px}
.prog-A1{background:var(--a1)}.prog-A2{background:var(--a2)}.prog-B1{background:var(--b1)}
.prog-B2{background:var(--b2)}.prog-C1{background:var(--c1)}

/* conversatie */
.chat{min-height:180px;max-height:46vh;overflow-y:auto;background:var(--card);border-radius:var(--radius);
  padding:14px;box-shadow:0 1px 3px rgba(20,20,60,.06);margin-bottom:14px;display:flex;flex-direction:column;gap:10px}
.bubble{max-width:82%;padding:10px 13px;border-radius:14px}
.bubble.left{align-self:flex-start;background:#eef0fb;border-bottom-left-radius:4px}
.bubble.right{align-self:flex-end;background:var(--pri);color:#fff;border-bottom-right-radius:4px}
.b-orig{font-size:13px;opacity:.7;margin-bottom:3px}
.b-trans{font-size:16px;font-weight:600}
.conv-controls{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:8px}
.conv-btn{border:none;padding:16px 10px;border-radius:14px;font-weight:700;font-size:15px;cursor:pointer;color:#fff}
.conv-btn.ro{background:#3b82f6}.conv-btn.en{background:#8b5cf6}

/* ghid de fraze */
.pb-list{display:flex;flex-direction:column;gap:10px}
.pb-item{background:var(--card);padding:13px 15px;border-radius:13px;box-shadow:0 1px 3px rgba(20,20,60,.05)}
.pb-ro{font-weight:700;margin-bottom:7px}
.pb-line{display:flex;align-items:center;gap:8px;margin-top:4px}
.pb-flag{font-size:15px}
.pb-en{flex:1;font-size:15px}
.pb-tr{flex:1;font-size:15px;color:var(--pri)}

/* lectura */
.reading-text{background:var(--card);padding:18px;border-radius:var(--radius);line-height:2;font-size:17px;
  box-shadow:0 1px 3px rgba(20,20,60,.06)}
.word{cursor:pointer;border-radius:4px;padding:0 1px}
.word:active,.word:hover{background:#eef0fb}
.wordpop{position:fixed;left:12px;right:12px;bottom:88px;z-index:30;background:var(--ink);color:#fff;
  padding:16px;border-radius:16px;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.wp-en{font-size:18px;font-weight:700}
.wp-ro{font-size:17px;color:#c7d2fe;margin:4px 0 12px}
.wp-actions{display:flex;gap:8px;align-items:center}
.wp-actions .wa{background:rgba(255,255,255,.15);color:#fff}

/* quiz */
.quiz-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-weight:700;color:var(--muted)}
.timer{background:#eef0fb;color:var(--pri);padding:4px 12px;border-radius:20px}

/* verbe */
.verb-tabs{display:flex;gap:8px;margin-bottom:14px}
.vt{flex:1;background:#eef0fb;border:none;padding:11px;border-radius:11px;font-weight:700;cursor:pointer;color:var(--muted)}
.vt.active{background:var(--pri);color:#fff}
.verb-card{background:var(--card);padding:20px;border-radius:var(--radius);box-shadow:0 1px 3px rgba(20,20,60,.06);
  display:flex;flex-direction:column;gap:12px}
.v-base{font-size:30px;font-weight:800;text-align:center}
.v-ro{text-align:center;color:var(--muted);margin-top:-8px}
.verb-score{text-align:center;margin-top:14px;font-weight:700;color:var(--pri)}
.vtable{display:flex;flex-direction:column;gap:6px}
.vrow-t{display:grid;grid-template-columns:1fr 1fr 1fr 1.2fr;gap:6px;background:var(--card);padding:10px 12px;
  border-radius:10px;font-size:13.5px;box-shadow:0 1px 2px rgba(20,20,60,.04)}
.vrow-t b{color:var(--pri)}.vrow-t i{color:var(--muted);font-style:normal}

/* forms */
.add-form{display:flex;flex-direction:column;gap:14px;background:var(--card);padding:18px;
  border-radius:var(--radius);box-shadow:0 1px 3px rgba(20,20,60,.06)}
.inline-form{display:flex;gap:10px;align-items:center}
.inline-form select{flex:1}