/* Плоский стиль: розовый + тиффани, без градиентов */
:root{
  --bg:#fdeef4;
  --card:#ffffff;
  --text:#1f2a2e;
  --muted:#8a9aa0;
  --pink:#f48fb1;
  --pink-strong:#ec6d9a;
  --pink-soft:#fcd9e6;
  --tiffany:#0abab5;
  --tiffany-dark:#089e9a;
  --tiffany-soft:#d5f3f2;
  --ok:#0abab5; --ok-soft:#d5f3f2;
  --bad:#ec6d9a; --bad-soft:#fcd9e6;
  --warn:#d9a514; --warn-soft:#faf3d7;
  --reveal:#8a9aa0; --reveal-soft:#eef2f3;
  --subj:#9b6ba3; --subj-soft:#e8d5f0;
  --cond:#e89b3c; --cond-soft:#f9e4cc;
  --imp:#6fb3a1; --imp-soft:#d8ede7;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0a0a0a; --card:#1a1a1a; --text:#eef6f5; --muted:#8fa5a3;
         --pink-soft:#4b2f3c; --tiffany-soft:#123f3d;
         --ok-soft:#123f3d; --bad-soft:#4b2f3c; --warn-soft:#3d3413; --reveal-soft:#2e3a39;
         --subj-soft:#3d2a47; --cond-soft:#4a3522; --imp-soft:#2a3f38; }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--text); background:var(--bg);
  min-height:100vh; padding-bottom:86px;
  font-size:15px;
}

.topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;
  position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:2px solid var(--pink-soft)}
.brand{font-size:16px;font-weight:700;color:var(--tiffany-dark)}
.stats{display:flex;gap:8px;align-items:center;font-size:13px}
.pill{background:var(--card);padding:5px 11px;border-radius:999px;border:2px solid var(--tiffany-soft);white-space:nowrap}
.pill i{font-style:normal;color:var(--tiffany-dark);font-weight:700}
.icon-btn{background:var(--card);border:2px solid var(--pink-soft);font-size:16px;cursor:pointer;padding:5px 10px;border-radius:999px;font-family:inherit}

.screen{max-width:560px;margin:0 auto;padding:8px 16px}
h1{font-size:20px;font-weight:700;margin:12px 0 14px}
h2{font-size:11px;text-transform:uppercase;letter-spacing:.1em;margin:20px 0 8px;color:var(--muted);font-weight:700}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{cursor:pointer}
.chip input{display:none}
.chip span{display:inline-block;padding:10px 14px;border-radius:999px;background:var(--card);
  font-size:12.5px;font-weight:500;border:2px solid var(--pink-soft);user-select:none;
  transition:transform .12s, border-color .12s, background .12s}
.chip span:active{transform:scale(.95)}
.chip input:checked + span{background:var(--tiffany);border-color:var(--tiffany);color:#fff;font-weight:700}

.chip.subj span{border-color:var(--subj-soft)}
.chip.subj input:checked + span{background:var(--subj);border-color:var(--subj);color:#fff}

.chip.cond span{border-color:var(--cond-soft)}
.chip.cond input:checked + span{background:var(--cond);border-color:var(--cond);color:#fff}

.chip.imp span{border-color:var(--imp-soft)}
.chip.imp input:checked + span{background:var(--imp);border-color:var(--imp);color:#fff}

.primary{padding:15px 22px;font-size:14px;font-weight:700;color:#fff;border:none;border-radius:16px;cursor:pointer;
  background:var(--tiffany);transition:transform .12s, opacity .15s, background .15s;font-family:inherit}
.primary:hover{background:var(--tiffany-dark)}
.primary:active{transform:scale(.97)}
.primary:disabled{opacity:.35;cursor:default;transform:none}
#btn-start{display:block;width:100%;margin-top:26px}
.ghost{padding:13px 16px;font-size:13px;font-weight:600;border:2px solid var(--pink-soft);border-radius:16px;cursor:pointer;
  background:var(--card);color:var(--muted);font-family:inherit}
.ghost:active{transform:scale(.97)}
.btnrow{display:flex;gap:10px;margin-top:20px}
.btnrow .primary{flex:1}

.install-wrapper{margin-top:20px}
.install-toggle{
  display:block;
  padding:8px 12px;font-size:12px;font-weight:600;
  border:none;border-bottom:1px dashed var(--muted);cursor:pointer;
  background:transparent;color:var(--muted);font-family:inherit;
  text-align:left;transition:color .2s;
}
.install-toggle:hover{color:var(--text)}
.install-toggle:active{opacity:.7}
.install-content{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  font-size:11.5px;color:var(--muted);line-height:1.9;
  opacity:0;
}
.install-content.show{
  max-height:200px;margin-top:8px;padding:10px 12px;
  background:var(--card);border:1px solid var(--pink-soft);border-radius:10px;
  opacity:1;
}

.card{position:relative;background:var(--card);border-radius:22px;padding:22px 18px;border:2px solid var(--pink-soft)}
.translation{text-align:center;color:var(--muted);font-size:13px;font-weight:500}
.prep{text-align:center;color:var(--tiffany-dark);font-size:11.5px;font-weight:500;min-height:16px;margin-top:3px}
.infinitive{text-align:center;font-size:30px;font-weight:800;margin:4px 0 10px;color:var(--pink-strong)}
.tense-badge{text-align:center;margin:0 auto 16px;width:max-content;max-width:100%;
  background:var(--tiffany-soft);color:var(--tiffany-dark);
  padding:6px 16px;border-radius:999px;font-size:12px;font-weight:700}

.rows{display:flex;flex-direction:column;gap:8px}
.row{display:flex;align-items:center;gap:8px}
.row .pron{width:88px;text-align:right;font-size:12px;font-weight:600;color:var(--muted);flex-shrink:0;white-space:nowrap}
.row input{flex:1;min-width:0;padding:11px 12px;font-size:15px;border:2px solid var(--pink-soft);border-radius:13px;
  background:transparent;color:var(--text);outline:none;transition:border-color .15s, background .15s;font-family:inherit}
.row input:focus{border-color:var(--tiffany)}
.row input.ok{border-color:var(--ok);background:var(--ok-soft);color:var(--tiffany-dark);font-weight:700}
.row input.bad{border-color:var(--bad);background:var(--bad-soft)}
.row input.almost{border-color:var(--warn);background:var(--warn-soft)}
.row input.revealed{border-color:var(--reveal);background:var(--reveal-soft);color:var(--reveal);font-weight:500}
.row .mark{width:24px;text-align:center;font-size:15px;flex-shrink:0}
.row .check{border:2px solid var(--tiffany);background:var(--card);color:var(--tiffany-dark);font-size:16px;cursor:pointer;padding:8px 10px;border-radius:10px;font-family:inherit;font-weight:700;transition:all .15s}
.row .check:active{transform:scale(.92);background:var(--tiffany);color:#fff}
.row .check.hidden{display:none}
.row .reveal{border:none;background:none;font-size:15px;cursor:pointer;padding:4px;opacity:.5;flex-shrink:0}
.row .reveal:hover{opacity:1}
.correction{margin:0 0 2px 96px;font-size:11.5px;color:var(--bad)}
.correction b{font-size:13.5px}

#phrase-block{margin-top:18px;padding-top:14px;border-top:2px dashed var(--pink-soft)}
.phrase-label{font-size:11px;font-weight:700;color:var(--tiffany-dark);text-transform:uppercase;letter-spacing:.06em}
.phrase-src{font-size:15px;font-weight:600;margin:8px 0 10px}
#phrase-block .row input{width:100%}

.accent-bar{position:fixed;left:0;right:0;bottom:0;z-index:10;display:none;gap:6px;justify-content:center;flex-wrap:wrap;
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
  background:var(--card);border-top:2px solid var(--pink-soft)}
.accent-bar button{font-size:16px;font-weight:600;padding:8px 0;width:36px;border:2px solid var(--tiffany-soft);border-radius:10px;cursor:pointer;
  background:var(--card);color:var(--tiffany-dark);font-family:inherit}
.accent-bar button:active{background:var(--tiffany);color:#fff;transform:scale(.92)}

.praise{position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--tiffany);color:#fff;font-weight:700;font-size:14px;
  padding:8px 22px;border-radius:999px;
  animation:pop 1.6s ease forwards;pointer-events:none;white-space:nowrap;z-index:3}
@keyframes pop{0%{transform:translateX(-50%) scale(0);opacity:0}15%{transform:translateX(-50%) scale(1.1);opacity:1}
  30%{transform:translateX(-50%) scale(1)}80%{opacity:1}100%{opacity:0;transform:translateX(-50%) translateY(-16px)}}

.xpfloat{position:absolute;right:14px;font-size:13px;font-weight:700;color:var(--tiffany-dark);pointer-events:none;
  animation:floatup 1s ease forwards;z-index:3}
@keyframes floatup{0%{opacity:0;transform:translateY(0)}20%{opacity:1}100%{opacity:0;transform:translateY(-34px)}}

#confetti{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:50}
#confetti span{position:absolute;top:-4vh;width:9px;height:13px;border-radius:3px;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(115vh) rotate(720deg)}}

.version{margin-top:22px;text-align:center;font-size:10.5px;color:var(--muted)}

.shake{animation:shake .3s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.pulse{animation:pulse .4s}
@keyframes pulse{0%{transform:scale(1)}40%{transform:scale(1.25)}100%{transform:scale(1)}}