/* Verbé — тренажёр. Палитра и типографика лендинга. */

:root{
  --ink:        #0E2A21;
  --ink-soft:   #4A6B5E;
  --green-900:  #0E3B2E;
  --green-700:  #15654C;
  --green-500:  #1FA97C;
  --green-300:  #7FD3B4;
  --green-100:  #D6F0E4;
  --green-50:   #EDF8F3;
  --pink-600:   #E8538A;
  --pink-500:   #FF6FA5;
  --pink-300:   #FFA9C8;
  --pink-100:   #FFE3ED;
  --pink-50:    #FFF2F6;
  --cream:      #FBFAF7;
  --white:      #FFFFFF;
  --line:       #E6EFE9;
  --radius:     20px;
  --shadow:     0 2px 4px rgba(14,42,33,.04), 0 12px 32px rgba(14,42,33,.06);

  --ok:var(--green-500);       --ok-soft:var(--green-50);
  --bad:var(--pink-600);       --bad-soft:var(--pink-50);
  --reveal:var(--ink-soft);    --reveal-soft:#EEF2F3;
}

*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:'Manrope',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--cream);color:var(--ink);
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  padding-bottom:env(safe-area-inset-bottom);
}
a{color:inherit;text-decoration:none}

/* ---------- Верхняя панель ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 24px;
  background:rgba(251,250,247,.85);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center}
.brand img{height:30px;width:auto;display:block}

.stats{display:flex;align-items:center;gap:8px;margin-left:auto}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--white);border:1px solid var(--line);
  font-size:14px;font-weight:700;letter-spacing:-.01em;
}
.pill b{font-weight:800;color:var(--green-700)}
.pill i{font-style:normal;font-size:12px;font-weight:700;color:var(--ink-soft)}
.icon-btn{
  width:38px;height:38px;border-radius:999px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  background:var(--white);border:1px solid var(--line);
  font-family:inherit;font-size:17px;color:var(--ink-soft);
  transition:background .15s,border-color .15s,color .15s;
}
.icon-btn:hover{background:var(--green-50);border-color:var(--green-100);color:var(--green-700)}

/* ---------- Экраны ---------- */
.screen{width:100%;max-width:720px;margin:0 auto;padding:32px 24px 64px}
.screen[hidden]{display:none}

.screen h1{
  font-size:clamp(26px,4vw,36px);font-weight:800;
  letter-spacing:-.035em;line-height:1.15;
  color:var(--green-900);margin-bottom:28px;
}
.screen h2{
  font-size:12px;font-weight:800;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-soft);margin:26px 0 12px;
}

/* ---------- Чипы настроек ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{cursor:pointer;user-select:none}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{
  display:inline-flex;align-items:center;
  padding:9px 17px;border-radius:999px;
  background:var(--white);border:1.5px solid var(--line);
  font-size:14px;font-weight:700;color:var(--ink-soft);
  transition:all .15s;
}
.chip span:hover{border-color:var(--green-300);color:var(--green-700)}
.chip input:checked + span{
  background:var(--green-500);border-color:var(--green-500);color:#fff;
}
.chip input:focus-visible + span{outline:2px solid var(--green-500);outline-offset:2px}

/* ---------- Кнопки ---------- */
button{font-family:inherit}
.primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;border:none;border-radius:999px;cursor:pointer;
  background:var(--green-500);color:#fff;
  font-size:15px;font-weight:700;letter-spacing:-.01em;
  transition:background .15s,transform .15s;
}
.primary:hover:not(:disabled){background:var(--green-700);transform:translateY(-1px)}
.primary:disabled{background:var(--green-100);color:var(--green-300);cursor:default}
#btn-start{width:100%;margin-top:32px;padding:17px 30px;font-size:16px}

.ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:15px 26px;border-radius:999px;cursor:pointer;
  background:transparent;border:1.5px solid var(--line);
  color:var(--ink-soft);font-size:15px;font-weight:700;
  transition:all .15s;
}
.ghost:hover{border-color:var(--green-300);color:var(--green-700);background:var(--white)}

.ios-hint{
  margin-top:18px;padding:13px 17px;
  background:var(--pink-50);border:1px solid var(--pink-100);
  border-radius:14px;font-size:13.5px;font-weight:600;color:var(--ink);
}
.ios-hint b{color:var(--pink-600)}
.ios-hint .share-ico{
  display:inline-block;transform:translateY(1px);
  font-size:15px;color:var(--pink-600);
}

.version{
  margin-top:28px;text-align:center;
  font-size:12.5px;font-weight:600;color:var(--ink-soft);
}

/* ---------- Карточка тренировки ---------- */
.card{
  position:relative;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:30px 28px;
}
.card.pulse{animation:pulse .45s ease}
@keyframes pulse{
  0%{transform:scale(1)}
  40%{transform:scale(1.014)}
  100%{transform:scale(1)}
}

.translation{
  font-size:14px;font-weight:700;color:var(--ink-soft);
  letter-spacing:-.01em;
}
.prep{font-size:13px;font-weight:600;color:var(--pink-600);margin-top:4px}
.infinitive{
  font-size:clamp(28px,5vw,38px);font-weight:800;
  letter-spacing:-.035em;line-height:1.1;
  color:var(--green-900);margin-top:6px;
}
.tense-badge{
  display:inline-flex;align-items:center;margin-top:12px;
  padding:5px 14px;border-radius:999px;
  background:var(--green-50);border:1px solid var(--green-100);
  font-size:12.5px;font-weight:800;color:var(--green-700);
  letter-spacing:.02em;
}

/* ---------- Строки ввода ---------- */
.rows{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.row{display:flex;align-items:center;gap:9px}
.pron{
  flex:0 0 86px;text-align:right;
  font-size:14.5px;font-weight:700;color:var(--ink-soft);
  letter-spacing:-.01em;
}
.row input{
  flex:1 1 auto;min-width:0;
  padding:13px 16px;border-radius:14px;
  background:var(--cream);border:1.5px solid var(--line);
  font-family:inherit;font-size:16.5px;font-weight:700;
  color:var(--green-900);letter-spacing:-.01em;
  transition:border-color .15s,background .15s;
}
.row input::placeholder{color:var(--green-300);font-weight:600}
.row input:focus{outline:none;border-color:var(--green-500);background:var(--white)}
.row input.ok{border-color:var(--ok);background:var(--ok-soft);color:var(--green-700)}
.row input.bad{border-color:var(--bad);background:var(--bad-soft);color:var(--pink-600)}
.row input.revealed{border-color:var(--reveal);background:var(--reveal-soft);color:var(--ink-soft)}
.row input:disabled{opacity:1}

.reveal{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  background:var(--white);border:1.5px solid var(--line);
  font-size:16px;transition:all .15s;
}
.reveal:hover{border-color:var(--pink-300);background:var(--pink-50)}
.mark{
  flex:0 0 22px;text-align:center;
  font-size:16px;font-weight:800;line-height:1;
}
.correction{
  margin-left:95px;font-size:13.5px;font-weight:700;
  color:var(--pink-600);
}
.correction:empty{display:none}

/* ---------- Бонусная фраза ---------- */
#phrase-block{
  margin-top:24px;padding-top:22px;
  border-top:1px solid var(--line);
}
#phrase-block[hidden]{display:none}
.phrase-label{
  font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-soft);margin-bottom:8px;
}
.phrase-src{
  font-size:16.5px;font-weight:700;color:var(--ink);
  margin-bottom:12px;letter-spacing:-.01em;
}
#phrase-block .row input{flex:1 1 auto}

/* ---------- Нижние кнопки ---------- */
.btnrow{
  display:flex;gap:10px;margin-top:26px;
  padding-top:22px;border-top:1px solid var(--line);
}
.btnrow .ghost{flex:0 0 auto}
.btnrow .primary{flex:1 1 auto}

/* ---------- Панель акцентов ---------- */
.accent-bar{
  position:sticky;bottom:0;z-index:40;
  display:none;flex-wrap:wrap;gap:7px;justify-content:center;
  margin-top:24px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:rgba(251,250,247,.9);
  backdrop-filter:saturate(180%) blur(12px);
  border-top:1px solid var(--line);
}
.accent-bar button{
  min-width:42px;height:42px;padding:0 12px;border-radius:12px;cursor:pointer;
  background:var(--white);border:1.5px solid var(--line);
  font-size:17px;font-weight:700;color:var(--green-700);
  transition:all .12s;
}
.accent-bar button:hover{border-color:var(--green-300);background:var(--green-50)}
.accent-bar button:active{transform:scale(.94)}

/* ---------- Похвала и XP ---------- */
.praise{
  position:fixed;left:50%;top:22%;transform:translateX(-50%);
  z-index:80;pointer-events:none;
  padding:12px 24px;border-radius:999px;
  background:var(--green-900);color:#fff;
  font-size:16px;font-weight:800;letter-spacing:-.02em;
  box-shadow:var(--shadow);
  animation:praise 1.15s ease forwards;
}
@keyframes praise{
  0%{opacity:0;transform:translateX(-50%) translateY(8px) scale(.94)}
  18%{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}
  75%{opacity:1}
  100%{opacity:0;transform:translateX(-50%) translateY(-14px) scale(.98)}
}
.xpfloat{
  position:fixed;right:26px;top:66px;z-index:80;pointer-events:none;
  font-size:16px;font-weight:800;color:var(--green-500);
  animation:xpfloat 1s ease forwards;
}
@keyframes xpfloat{
  0%{opacity:0;transform:translateY(6px)}
  25%{opacity:1;transform:translateY(0)}
  100%{opacity:0;transform:translateY(-24px)}
}

#confetti{position:fixed;inset:0;z-index:70;pointer-events:none;overflow:hidden}

/* ---------- Мобильные ---------- */
@media(max-width:600px){
  .topbar{padding:12px 16px}
  .brand img{height:26px}
  .pill{padding:5px 11px;font-size:13px}
  .screen{padding:24px 16px 48px}
  .card{padding:24px 18px;border-radius:16px}
  .pron{flex:0 0 66px;font-size:13.5px}
  .correction{margin-left:75px}
  .row input{font-size:16px;padding:12px 14px}
  .btnrow{flex-direction:column-reverse}
  .btnrow .ghost,.btnrow .primary{width:100%}
}

/* Explicit answer check controls on desktop and mobile. */
.row .check{flex-shrink:0;border:2px solid var(--green-300);background:var(--white);color:var(--ink);font:inherit;font-weight:700;border-radius:10px;padding:8px 10px;cursor:pointer}
.row .check.hidden,.row .check[hidden]{display:none}

/* Word feedback stays next to the editable answer; colour also has a text label. */
.phrase-feedback{margin:12px 0;line-height:2;overflow-wrap:anywhere}
.phrase-feedback[hidden]{display:none}
.phrase-feedback-label{font-size:12px;line-height:1.5;color:var(--ink-soft);margin-bottom:6px}
.phrase-word{display:inline-block;padding:1px 5px;border-radius:5px;font-weight:700}
.phrase-word-correct{color:#126246;background:#e5f5ed}
.phrase-word-incorrect,.phrase-word-extra,.phrase-word-missing{color:#a82238;background:#fff0f2;text-decoration:underline;text-decoration-style:wavy;text-underline-offset:3px}

#phrase-input[hidden]{display:none}
#phrase-feedback input.phrase-gap{width:80px;max-width:100%;padding:6px 9px;border:2px solid #cf7784;border-radius:7px;background:#fff;color:var(--ink);font:inherit}
#phrase-feedback input.phrase-gap:focus{outline:2px solid var(--mint);outline-offset:2px}

#phrase-block .row{flex-wrap:wrap}
#phrase-feedback{flex:1 1 260px;margin:0}

.range-help{font-size:14px;color:var(--muted,#527569);line-height:1.6;margin:14px 0 26px;max-width:760px}

[hidden]{display:none!important}