/* =====================================================================
   ඉතාලි–සිංහල App · colorful, mobile-first styles
   ===================================================================== */
:root{
  --bg:#0f1f1a;
  --bg2:#13261f;
  --paper:#f6f4ec;
  --card:#ffffff;
  --ink:#15241d;
  --muted:#6c7a72;
  --line:#e6e0d2;

  --green:#1f9d57;
  --green-deep:#12603a;
  --gold:#e0a022;
  --gold-soft:#fdecc6;
  --red:#e2553f;
  --blue:#2f7fd1;
  --purple:#7c5cd1;
  --pink:#e25fa0;
  --teal:#16b3a6;

  --grad-hero:linear-gradient(135deg,#1f9d57 0%,#16b3a6 45%,#2f7fd1 100%);
  --radius:18px;
  --shadow:0 6px 18px rgba(18,40,30,.12);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  background:var(--paper);color:var(--ink);
  font-family:'Inter','Noto Sans Sinhala',system-ui,sans-serif;
  line-height:1.5;
  padding-bottom:90px;
  overscroll-behavior-y:contain;
}
.si{font-family:'Noto Sans Sinhala',sans-serif}

/* ---------- header ---------- */
.hero{
  background:var(--grad-hero);color:#fff;
  padding:calc(env(safe-area-inset-top) + 20px) 16px 18px;
  border-bottom-left-radius:26px;border-bottom-right-radius:26px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.hero::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;
  background:radial-gradient(circle,rgba(255,255,255,.25),transparent 70%);border-radius:50%}
.hero h1{font-family:'Fraunces',serif;font-weight:700;font-size:1.5rem;letter-spacing:.3px}
.hero .sub{font-family:'Noto Sans Sinhala';font-size:1.05rem;color:#eafff3;margin-top:2px}
.hero .stats{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.pill{background:rgba(255,255,255,.18);backdrop-filter:blur(4px);
  padding:6px 12px;border-radius:30px;font-size:.8rem;font-weight:600;display:flex;gap:6px;align-items:center}
.pill b{font-weight:700}

/* ---------- mode tabs ---------- */
.modes{display:flex;gap:8px;margin-top:14px}
.mode{flex:1;text-align:center;padding:10px;border-radius:14px;font-family:'Noto Sans Sinhala';
  font-weight:600;font-size:.95rem;background:rgba(255,255,255,.16);color:#fff;cursor:pointer;
  border:2px solid transparent;transition:.15s}
.mode.active{background:#fff;color:var(--green-deep);box-shadow:var(--shadow)}

/* ---------- controls ---------- */
.wrap{max-width:760px;margin:0 auto;padding:0 14px}
.controls{position:sticky;top:0;z-index:30;background:var(--paper);padding:12px 0 6px}
.searchbar{display:flex;gap:8px;align-items:center}
.searchbar input{flex:1;padding:13px 16px;border:2px solid var(--line);border-radius:14px;
  font-size:1rem;font-family:'Inter','Noto Sans Sinhala';background:#fff;outline:none}
.searchbar input:focus{border-color:var(--green)}
.iconbtn{width:48px;height:48px;border-radius:14px;border:2px solid var(--line);background:#fff;
  font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center}
.iconbtn.on{background:var(--gold-soft);border-color:var(--gold);color:#8a5e09}

.filters{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;align-items:center}
.fbtn{font-family:'Noto Sans Sinhala';font-size:.8rem;padding:6px 12px;border-radius:30px;
  border:1.5px solid var(--line);background:#fff;cursor:pointer;color:var(--ink);font-weight:600}
.fbtn.fav.on{background:#ffe9ef;border-color:var(--pink);color:#b5347a}
.fbtn.learn.on{background:#e7f7ee;border-color:var(--green);color:var(--green-deep)}

.chips{display:flex;gap:7px;margin-top:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{font-family:'Noto Sans Sinhala';font-size:.82rem;padding:7px 14px;border-radius:30px;
  border:1.5px solid var(--line);background:#fff;cursor:pointer;white-space:nowrap;color:var(--ink);flex:0 0 auto}
.chip.active{color:#fff;border-color:transparent}

.count{font-size:.8rem;color:var(--muted);margin:10px 2px 2px;display:flex;justify-content:space-between}

/* ---------- groups + cards ---------- */
.group-title{font-family:'Noto Sans Sinhala';font-weight:700;font-size:1.05rem;
  margin:20px 2px 10px;padding:8px 12px;border-radius:12px;color:#fff;display:flex;
  justify-content:space-between;align-items:center;box-shadow:var(--shadow)}
.group-title span{font-size:.75rem;font-weight:600;opacity:.9}

.card{background:var(--card);border:1px solid var(--line);border-left:6px solid var(--green);
  border-radius:var(--radius);padding:13px 14px;margin-bottom:11px;box-shadow:0 2px 6px rgba(18,40,30,.06);
  position:relative}
.card .top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.it{font-family:'Fraunces',serif;font-weight:600;font-size:1.3rem;color:var(--green-deep);line-height:1.25}
.actions{display:flex;gap:6px;flex:0 0 auto}
.act{width:42px;height:42px;border-radius:12px;border:none;cursor:pointer;font-size:1.15rem;
  display:flex;align-items:center;justify-content:center;background:#f1efe6;color:#444;transition:.12s}
.act:active{transform:scale(.9)}
.act.speak{background:var(--green);color:#fff}
.act.speak.playing{background:var(--gold);color:#fff;animation:pulse .8s infinite}
.act.fav.on{background:#ffe1ec;color:#e25fa0}
.act.learn.on{background:#dff5e8;color:var(--green)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(224,160,34,.5)}100%{box-shadow:0 0 0 12px rgba(224,160,34,0)}}

.pron{font-family:'Noto Sans Sinhala';font-size:1.02rem;color:#8a5e09;background:var(--gold-soft);
  display:inline-block;padding:3px 11px;border-radius:8px;margin:9px 0 3px}
.mean{font-family:'Noto Sans Sinhala';font-size:1.05rem;color:var(--ink);margin-top:4px}
.mean::before{content:"→ ";color:var(--green);font-weight:700}
.card.learned{opacity:.72}
.card.learned .it{text-decoration:none}

.empty{text-align:center;color:var(--muted);padding:48px 12px;font-family:'Noto Sans Sinhala'}
.note{font-family:'Noto Sans Sinhala';font-size:.82rem;color:var(--muted);background:#fff;
  border:1px dashed var(--line);border-radius:12px;padding:12px 14px;margin:22px 2px}

/* ---------- speed sheet ---------- */
.speedrow{display:flex;gap:8px;margin-top:10px;align-items:center;font-family:'Noto Sans Sinhala';font-size:.82rem;color:var(--muted)}
.speedrow .sbtn{padding:6px 12px;border-radius:30px;border:1.5px solid var(--line);background:#fff;cursor:pointer;font-weight:600;color:var(--ink)}
.speedrow .sbtn.on{background:var(--teal);border-color:var(--teal);color:#fff}

/* ---------- install button (floating) ---------- */
#install{position:fixed;left:50%;transform:translateX(-50%);bottom:18px;z-index:50;
  background:var(--grad-hero);color:#fff;border:none;border-radius:30px;padding:13px 22px;
  font-family:'Noto Sans Sinhala';font-weight:700;font-size:.95rem;box-shadow:0 8px 22px rgba(18,40,30,.3);
  cursor:pointer;display:none;align-items:center;gap:8px}
#install.show{display:flex}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:80px;z-index:60;
  background:#15241d;color:#fff;padding:10px 18px;border-radius:30px;font-family:'Noto Sans Sinhala';
  font-size:.85rem;opacity:0;transition:.25s;pointer-events:none}
.toast.show{opacity:1}

@media(min-width:620px){ .it{font-size:1.4rem} .hero h1{font-size:1.8rem} }

/* ---------- quiz toggle ---------- */
.quizbar{margin-top:10px}
.qtoggle{display:flex;align-items:center;gap:8px;font-size:.9rem;color:#fff;
  background:rgba(255,255,255,.16);padding:8px 12px;border-radius:12px;cursor:pointer}
.qtoggle input{width:18px;height:18px;accent-color:#e0a022}

/* ---------- answer block ---------- */
.answer{margin-top:11px;padding:10px 12px;border-radius:12px;background:#eef7f1;
  border:1px solid #cfe9da}
.answer .alab{font-family:'Noto Sans Sinhala';font-size:.72rem;font-weight:700;color:var(--green-deep);
  letter-spacing:.5px;display:flex;justify-content:space-between;align-items:center;margin-bottom:5px}
.answer .ait{font-family:'Fraunces',serif;font-weight:600;font-size:1.08rem;color:#0f4e30}
.answer .apron{font-family:'Noto Sans Sinhala';font-size:.95rem;color:#8a5e09;
  background:var(--gold-soft);display:inline-block;padding:2px 9px;border-radius:7px;margin:6px 0 2px}
.answer .amean{font-family:'Noto Sans Sinhala';font-size:.98rem;color:var(--ink)}
.answer .amean::before{content:"→ ";color:var(--green);font-weight:700}
.answer .aspk{border:none;background:var(--green);color:#fff;border-radius:9px;
  width:34px;height:30px;cursor:pointer;font-size:.95rem}
.answer .aspk.playing{background:var(--gold);animation:pulse .8s infinite}
.answer.none{background:#faf7ef;border-style:dashed;color:var(--muted);font-family:'Noto Sans Sinhala';font-size:.85rem;padding:9px 12px}

/* ---------- flashcard reveal (Sinhala front → reveal Italian) ---------- */
.card.quiz .it, .card.quiz .pron, .card.quiz .answer{display:none}
.card.quiz .mean{display:block}
.card.quiz:not(.revealed) .mean::before{content:""}
.card.quiz:not(.revealed) .mean{font-size:1.2rem;font-weight:600;color:var(--ink);margin-top:0}
.card.quiz:not(.revealed) .act.speak{display:none}
.card.quiz.revealed .it,
.card.quiz.revealed .pron,
.card.quiz.revealed .answer{display:block}
.reveal{margin-top:10px;width:100%;padding:11px;border:none;border-radius:12px;
  background:linear-gradient(135deg,#e0a022,#e2553f);color:#fff;font-family:'Noto Sans Sinhala';
  font-weight:700;font-size:.95rem;cursor:pointer}
.card.quiz.revealed .reveal{display:none}

/* ---------- Show Answer button (normal mode) ---------- */
.answer.hidden{display:none}
.showans{margin-top:10px;width:100%;padding:11px;border:1.5px solid #cfe9da;border-radius:12px;
  background:#e7f1ec;color:var(--green-deep);font-family:'Noto Sans Sinhala';font-weight:700;
  font-size:.92rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px}
.showans:active{transform:scale(.99)}