/* ===== МатЛэнд — стили ===== */
:root{
  --bg:#0f0f1a; --bg2:#171728; --card:#1d1d32; --card2:#24243d;
  --text:#f2f2fa; --muted:#9a9ab8; --line:#2e2e4d;
  --p1:#7c5cff; --p2:#00d4ff; --p3:#ff5ca8; --gold:#ffc247;
  --ok:#3ddc84; --bad:#ff5c6c;
  --grad:linear-gradient(135deg,#7c5cff 0%,#00d4ff 100%);
  --grad2:linear-gradient(135deg,#ff5ca8,#ffc247);
  --r:18px; --sh:0 10px 40px rgba(0,0,0,.35);
  --font:'Rubik',system-ui,sans-serif; --font-d:'Unbounded','Rubik',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);min-height:100vh;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
[hidden]{display:none!important}

/* шапка */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:14px clamp(16px,4vw,48px);background:rgba(15,15,26,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:900;font-size:20px}
.logo-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--grad);font-size:22px;color:#fff}
.logo-text em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.topnav{display:flex;align-items:center;gap:14px}
.nav-link{color:var(--muted);font-weight:500;transition:color .2s}
.nav-link:hover{color:var(--text)}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;
  border-radius:14px;padding:12px 22px;transition:transform .15s,box-shadow .15s,background .2s;user-select:none}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 24px rgba(124,92,255,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(124,92,255,.55)}
.btn-ghost{background:var(--card);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--card2)}
.btn-big{padding:16px 30px;font-size:17px;border-radius:16px}
.btn-small{padding:8px 14px;font-size:13px}
.btn-wide{width:100%}

/* герой */
.view{max-width:1100px;margin:0 auto;padding:clamp(20px,4vw,48px) clamp(16px,4vw,40px)}
.hero{position:relative;text-align:center;padding:clamp(40px,8vw,90px) 0 30px}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.float-sym{position:absolute;font-family:var(--font-d);font-weight:900;opacity:.12;font-size:clamp(30px,6vw,64px);
  animation:floaty 7s ease-in-out infinite;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.s1{left:4%;top:8%}.s2{right:8%;top:4%;animation-delay:-2s}.s3{left:12%;bottom:8%;animation-delay:-4s}
.s4{right:14%;bottom:16%;animation-delay:-1s}.s5{left:38%;top:0;animation-delay:-3s}
.s6{right:34%;bottom:0;animation-delay:-5s}.s7{left:0;top:48%;animation-delay:-2.5s}.s8{right:2%;top:52%;animation-delay:-3.5s}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-18px) rotate(5deg)}}
.hero-title{font-family:var(--font-d);font-weight:900;font-size:clamp(30px,6.5vw,64px);line-height:1.12;letter-spacing:-.5px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:var(--muted);font-size:clamp(15px,2.2vw,19px);max-width:620px;margin:20px auto 0;line-height:1.6}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.hero-stats{display:flex;justify-content:center;gap:clamp(20px,5vw,56px);margin-top:48px;flex-wrap:wrap}
.stat b{display:block;font-family:var(--font-d);font-size:clamp(24px,4vw,40px);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:13px}

/* фичи */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:56px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .2s,border-color .2s}
.feature:hover{transform:translateY(-4px);border-color:var(--p1)}
.feature-ico{font-size:34px;margin-bottom:12px}
.feature h3{font-size:18px;margin-bottom:8px}
.feature p{color:var(--muted);font-size:14px;line-height:1.6}

/* классы */
.page-title{font-family:var(--font-d);font-weight:900;font-size:clamp(24px,4.5vw,40px);text-align:center}
.page-sub{color:var(--muted);text-align:center;margin:10px 0 34px}
.grade-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px}
.grade-card{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:24px 18px;text-align:center;transition:transform .2s,border-color .2s,box-shadow .2s;display:block}
.grade-card:hover{transform:translateY(-5px);border-color:transparent;box-shadow:var(--sh)}
.grade-card:hover::before{opacity:1}
.grade-card::before{content:"";position:absolute;inset:0;background:var(--gc,var(--grad));opacity:0;transition:opacity .2s;z-index:0}
.grade-card>*{position:relative;z-index:1}
.grade-num{font-family:var(--font-d);font-weight:900;font-size:44px}
.grade-lbl{color:var(--muted);font-size:13px;margin-top:2px}
.grade-card:hover .grade-lbl{color:rgba(255,255,255,.85)}
.grade-topics{font-size:11.5px;color:var(--muted);margin-top:10px;line-height:1.45}
.grade-card:hover .grade-topics{color:rgba(255,255,255,.75)}
.grade-stars{margin-top:10px;font-size:12px;color:var(--gold)}

/* каталог игр */
.crumbs{margin-bottom:16px}
.crumbs a{color:var(--muted);font-size:14px}
.crumbs a:hover{color:var(--text)}
.game-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.game-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;
  display:flex;flex-direction:column;gap:10px;transition:transform .2s,border-color .2s,box-shadow .2s;cursor:pointer;text-align:left}
.game-card:hover{transform:translateY(-4px);border-color:var(--ac,var(--p1));box-shadow:var(--sh)}
.game-ico{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;font-size:28px;background:var(--ac-bg,rgba(124,92,255,.16))}
.game-name{font-weight:700;font-size:17px}
.game-desc{color:var(--muted);font-size:13.5px;line-height:1.5;flex:1}
.game-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.game-mech{background:var(--bg2);border:1px solid var(--line);border-radius:99px;padding:3px 10px}
.game-stars{color:var(--gold)}
.badge-premium{position:absolute;top:14px;left:14px;background:var(--grad2);color:#3a2200;font-weight:900;
  font-size:11px;padding:4px 10px;border-radius:99px;letter-spacing:.4px;z-index:2}
/* крупная кнопка рейтинга в правом верхнем углу карточки */
.game-card .lb-btn{position:absolute;top:12px;right:12px;z-index:3;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;font-size:24px;background:var(--bg2);border:1px solid var(--line);
  box-shadow:0 4px 14px rgba(0,0,0,.25);transition:transform .15s,border-color .2s,background .2s}
.game-card .lb-btn:hover{transform:scale(1.1) rotate(-6deg);border-color:var(--gold);background:rgba(255,194,71,.14)}
.game-card .lb-btn:active{transform:scale(.94)}
.game-card.locked{opacity:.88}
.game-card.locked .game-ico{filter:grayscale(.4)}

/* экран игры */
.view-play{max-width:900px;display:flex;flex-direction:column;min-height:calc(100vh - 130px)}
.play-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.play-name{font-family:var(--font-d);font-weight:700;font-size:clamp(14px,2.5vw,18px);text-align:center;flex:1;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.play-score{font-weight:700;font-size:15px;min-width:90px;text-align:right;color:var(--p2)}
.play-timer{color:var(--muted);min-width:48px;font-variant-numeric:tabular-nums}
.game-root{flex:1;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;position:relative;min-height:440px}

/* общие элементы игр */
.g-wrap{flex:1;display:flex;flex-direction:column;padding:clamp(14px,3vw,28px);gap:14px}
.g-question{font-family:var(--font-d);font-weight:700;font-size:clamp(22px,5vw,38px);text-align:center;padding:10px 6px;
  min-height:64px;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px}
.g-question small{font-size:.55em;color:var(--muted);width:100%;font-family:var(--font);font-weight:500}
.g-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.g-opt{background:var(--card2);border:2px solid var(--line);border-radius:16px;padding:clamp(14px,3vw,22px);
  font-size:clamp(18px,3.5vw,26px);font-weight:700;transition:transform .12s,border-color .15s,background .15s;text-align:center}
.g-opt:hover{border-color:var(--p1)}
.g-opt:active{transform:scale(.95)}
.g-opt.right{background:rgba(61,220,132,.18);border-color:var(--ok)}
.g-opt.wrong{background:rgba(255,92,108,.18);border-color:var(--bad);animation:shake .3s}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.g-bar{height:10px;background:var(--bg2);border-radius:99px;overflow:hidden}
.g-bar>i{display:block;height:100%;background:var(--grad);border-radius:99px;transition:width .3s}
.g-bar.hp>i{background:linear-gradient(90deg,#ff5c6c,#ffc247)}
.g-row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--muted)}
.g-canvas{width:100%;flex:1;display:block;touch-action:manipulation;border-radius:0 0 var(--r) var(--r)}
.g-timer{font-weight:900;font-variant-numeric:tabular-nums}
.g-timer.low{color:var(--bad);animation:pulse .5s infinite alternate}
@keyframes pulse{to{opacity:.4}}
.g-msg{text-align:center;font-size:15px;color:var(--muted);min-height:22px}
.g-msg.ok{color:var(--ok)}.g-msg.bad{color:var(--bad)}
.g-center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center;padding:20px}
.g-bigico{font-size:64px;animation:floaty 3s ease-in-out infinite}

/* память */
.mem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;flex:1;align-content:center}
.mem-card{aspect-ratio:1/1;perspective:600px;cursor:pointer;border:none;background:none;min-height:0}
.mem-inner{position:relative;width:100%;height:100%;transition:transform .35s;transform-style:preserve-3d}
.mem-card.open .mem-inner{transform:rotateY(180deg)}
.mem-face{position:absolute;inset:0;display:grid;place-items:center;border-radius:14px;backface-visibility:hidden;
  font-weight:700;font-size:clamp(13px,2.6vw,19px);padding:4px}
.mem-back{background:var(--grad);color:#fff;font-family:var(--font-d);font-size:24px}
.mem-front{background:var(--card2);border:2px solid var(--line);transform:rotateY(180deg)}
.mem-card.done .mem-front{border-color:var(--ok);background:rgba(61,220,132,.14)}
@media(max-width:480px){.mem-grid{gap:7px}}

/* порядок */
.ord-pool{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-content:center;flex:1}
.ord-chip{background:var(--card2);border:2px solid var(--line);border-radius:14px;padding:14px 20px;font-size:clamp(17px,3vw,24px);font-weight:700;transition:transform .15s,opacity .2s,border-color .2s}
.ord-chip:active{transform:scale(.93)}
.ord-chip.used{opacity:.25;pointer-events:none}
.ord-chip.err{border-color:var(--bad);animation:shake .3s}
.ord-done{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;min-height:52px;align-items:center}
.ord-slot{background:rgba(61,220,132,.14);border:2px solid var(--ok);border-radius:12px;padding:10px 16px;font-weight:700;font-size:clamp(15px,2.6vw,20px)}

/* верно/неверно */
.tf-btns{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tf-btn{border-radius:18px;padding:clamp(18px,4vw,30px);font-size:clamp(18px,3.5vw,26px);font-weight:900;border:2px solid var(--line);transition:transform .12s}
.tf-btn:active{transform:scale(.95)}
.tf-yes{background:rgba(61,220,132,.14);color:var(--ok)}
.tf-no{background:rgba(255,92,108,.14);color:var(--bad)}

/* числовая прямая */
.nl-track{position:relative;height:74px;margin:16px 6px}
.nl-line{position:absolute;left:0;right:0;top:36px;height:6px;background:var(--bg2);border-radius:99px}
.nl-tick{position:absolute;top:26px;width:2px;height:26px;background:var(--line)}
.nl-lab{position:absolute;top:56px;transform:translateX(-50%);font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.nl-target{position:absolute;top:22px;width:34px;height:34px;margin-left:-17px;border-radius:50%;background:var(--grad);
  display:grid;place-items:center;font-weight:900;color:#fff;box-shadow:0 4px 16px rgba(124,92,255,.5);cursor:grab;touch-action:none;z-index:2}
.nl-zone{position:absolute;top:30px;height:18px;border-radius:8px;background:rgba(0,212,255,.13)}

/* конструктор */
.bld-eq{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;font-size:clamp(22px,5vw,36px);font-weight:700;font-family:var(--font-d)}
.bld-hole{min-width:58px;padding:6px 12px;border-radius:12px;border:2px dashed var(--p2);color:var(--p2);text-align:center}
.bld-hole.filled{border-style:solid}
.bld-hole.ok{border-color:var(--ok);color:var(--ok)}
.bld-hole.bad{border-color:var(--bad);color:var(--bad);animation:shake .3s}

/* тропа */
.path-doors{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;flex:1;align-content:center}
.path-door{background:var(--card2);border:2px solid var(--line);border-radius:16px;padding:clamp(18px,4vw,30px) 8px;
  font-size:clamp(17px,3.2vw,24px);font-weight:700;text-align:center;transition:transform .15s,border-color .2s}
.path-door:hover{border-color:var(--p1)}
.path-door:active{transform:scale(.94)}
.path-door::before{content:"🚪";display:block;font-size:30px;margin-bottom:8px}
.path-map{display:flex;gap:5px;justify-content:center;margin-top:4px}
.path-step{width:14px;height:14px;border-radius:50%;background:var(--bg2);border:1px solid var(--line)}
.path-step.done{background:var(--ok);border-color:var(--ok)}
.path-step.here{background:var(--grad);border-color:transparent;animation:pulse .8s infinite alternate}

/* дуэль и босс */
.duel-heads{display:flex;justify-content:space-between;align-items:center;gap:12px}
.duel-side{flex:1}
.duel-face{font-size:38px;text-align:center}
.duel-hpnum{text-align:center;font-size:12px;color:var(--muted);margin-top:4px}
.hit-flash{animation:hitflash .35s}
@keyframes hitflash{30%{filter:brightness(2) saturate(0);transform:scale(1.12)}}

/* модалки */
.modal-wrap{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:rgba(8,8,16,.75);backdrop-filter:blur(6px);padding:20px}
.modal{position:relative;background:var(--card);border:1px solid var(--line);border-radius:24px;max-width:420px;width:100%;
  padding:34px 28px;text-align:center;box-shadow:var(--sh);animation:modalin .25s}
@keyframes modalin{from{transform:translateY(24px) scale(.96);opacity:0}}
.modal-x{position:absolute;top:14px;right:16px;color:var(--muted);font-size:18px;padding:6px}
.modal-ico{font-size:52px;margin-bottom:10px}
.modal h3{font-family:var(--font-d);font-size:22px;margin-bottom:10px}
.modal p{color:var(--muted);font-size:14.5px;line-height:1.6;margin-bottom:18px}
.modal-note{margin:16px 0 8px!important}
.promo-row{display:flex;gap:8px}
.promo-row input{flex:1;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;
  color:var(--text);font-family:inherit;font-size:15px;outline:none;text-transform:uppercase}
.promo-row input:focus{border-color:var(--p1)}
.promo-msg{min-height:18px;font-size:13px;margin:8px 0 0!important}
.promo-msg.ok{color:var(--ok)}.promo-msg.bad{color:var(--bad)}
.result-stars{font-size:40px;letter-spacing:6px;margin-bottom:8px}
.result-btns{display:flex;gap:10px;justify-content:center}

/* летящие пояснения ошибок — колонка на свободном поле слева от игры */
.err-tray{position:fixed;left:16px;top:50%;transform:translateY(-50%);z-index:40;
  display:flex;flex-direction:column;gap:7px;width:210px;pointer-events:none}
.err-tray::before{content:"Как было правильно";display:block;color:var(--muted);font-size:11px;
  font-weight:700;letter-spacing:.4px;text-transform:uppercase;opacity:.7;margin-bottom:2px}
.err-chip{background:rgba(61,220,132,.1);border:1px solid rgba(61,220,132,.45);color:#d7ffe8;border-radius:11px;
  padding:7px 12px;font-size:13px;line-height:1.35;pointer-events:none;
  box-shadow:0 4px 16px rgba(0,0,0,.3);
  transition:transform .6s cubic-bezier(.4,.1,.3,1),opacity .5s;will-change:transform}
.err-chip::before{content:"✓ ";color:var(--ok);font-weight:900}
.err-chip.settled{opacity:.95}
/* на узких экранах колонка не прячется, а компактно прижимается к нижнему левому углу */
@media(max-width:1180px){
  .err-tray{left:8px;top:auto;bottom:12px;transform:none;width:158px}
  .err-tray::before{font-size:9.5px}
  .err-chip{font-size:11px;padding:5px 8px}
  .err-tray .err-chip:nth-child(n+5){display:none}
}

/* разбор ошибок в итогах */
.result-mistakes{max-height:150px;overflow:auto;text-align:left;margin:0 0 14px;display:flex;flex-direction:column;gap:5px}
.result-mistakes .rm-item{background:rgba(61,220,132,.1);border:1px solid rgba(61,220,132,.4);border-radius:10px;
  padding:6px 10px;font-size:13px;color:#d7ffe8}
.result-mistakes .rm-item::before{content:"✓ ";color:var(--ok);font-weight:900}
.result-mistakes .rm-title{color:var(--muted);font-size:12.5px;margin-bottom:2px}

/* оплата */
.pay-options{display:flex;flex-direction:column;gap:10px;margin-bottom:6px}

/* модалка жалобы */
#report-text{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;
  color:var(--text);font-family:inherit;font-size:14px;outline:none;resize:vertical;margin-bottom:14px}
#report-text:focus{border-color:var(--p1)}
.rep-card{text-align:left}
.rep-card .rep-reason{color:var(--text);font-size:14px;margin-top:4px}
.rep-card.done{opacity:.5}
.rep-actions{display:flex;gap:8px;margin-top:6px}

/* лайки */
.meta-right{display:inline-flex;align-items:center;gap:6px}
.like-btn{background:var(--bg2);border:1px solid var(--line);border-radius:99px;padding:3px 10px;
  font-size:12.5px;color:var(--muted);transition:transform .15s,border-color .2s}
.like-btn:hover{border-color:var(--p3)}
.like-btn:active{transform:scale(.9)}
.like-btn.liked{color:var(--p3);border-color:var(--p3);background:rgba(255,92,168,.1)}

/* анкета */
.profile-form{display:flex;flex-direction:column;gap:10px;text-align:left}
.profile-form input,.profile-form select{background:var(--bg2);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;color:var(--text);font-family:inherit;font-size:15px;outline:none;width:100%}
.profile-form input:focus,.profile-form select:focus{border-color:var(--p1)}
.profile-form select{appearance:none;-webkit-appearance:none}

/* фильтры рейтинга */
.lb-filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;max-width:720px;margin:0 auto 18px}
.lb-filters select,.lb-filters input{background:var(--bg2);border:1px solid var(--line);border-radius:12px;
  padding:10px 14px;color:var(--text);font-family:inherit;font-size:14px;outline:none}
.lb-filters select:focus,.lb-filters input:focus{border-color:var(--p1)}
.lb-filters input{width:150px}

/* таблица рейтинга */
.lb-table{display:flex;flex-direction:column;gap:8px;max-width:720px;margin:0 auto}
.lb-row{display:grid;grid-template-columns:44px 1fr auto auto;gap:10px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 16px;position:relative}
.lb-menu-btn{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:18px;
  color:var(--muted);background:transparent;border:1px solid transparent;transition:background .2s,color .2s}
.lb-menu-btn:hover{background:var(--bg2);color:var(--text)}
.lb-pop{position:absolute;right:12px;top:48px;z-index:20;background:var(--card2);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--sh);overflow:hidden;min-width:180px}
.lb-pop button{display:block;width:100%;text-align:left;padding:11px 14px;font-size:14px;transition:background .15s}
.lb-pop button:hover{background:var(--bg2)}
.lb-pop button.danger{color:var(--bad)}
.lb-row.medal-1{border-color:var(--gold);background:linear-gradient(90deg,rgba(255,194,71,.14),var(--card))}
.lb-row.medal-2{border-color:#c0c8d8;background:linear-gradient(90deg,rgba(192,200,216,.12),var(--card))}
.lb-row.medal-3{border-color:#d8925c;background:linear-gradient(90deg,rgba(216,146,92,.12),var(--card))}
.lb-row.me{outline:2px solid var(--p2);outline-offset:1px}
.lb-rank{font-family:var(--font-d);font-weight:900;font-size:18px;text-align:center;color:var(--muted)}
.lb-row.medal-1 .lb-rank,.lb-row.medal-2 .lb-rank,.lb-row.medal-3 .lb-rank{font-size:22px}
.lb-who b{font-size:15px}
.lb-who span{display:block;color:var(--muted);font-size:12.5px;margin-top:2px}
.lb-pts{text-align:right;font-weight:900;font-family:var(--font-d);color:var(--p2)}
.lb-pts small{display:block;color:var(--gold);font-weight:400;font-family:var(--font);font-size:12px}
.lb-sep{text-align:center;color:var(--muted);letter-spacing:4px}
.lb-banner{max-width:720px;margin:0 auto 18px;background:linear-gradient(135deg,rgba(255,194,71,.16),rgba(255,92,168,.12));
  border:1px solid var(--gold);border-radius:16px;padding:16px 20px;text-align:center}
.lb-banner b{color:var(--gold)}
.lb-banner code{background:var(--bg2);border:1px dashed var(--gold);border-radius:8px;padding:3px 10px;
  font-size:16px;font-weight:700;letter-spacing:1px}
.lb-empty{text-align:center;color:var(--muted);padding:40px 16px}
.lb-empty .g-bigico{font-size:48px;margin-bottom:12px}

.footer{text-align:center;color:var(--muted);font-size:13px;padding:30px 16px;border-top:1px solid var(--line);margin-top:40px}

@media(max-width:560px){
  .g-options{gap:9px}
  .hero-cta .btn{width:100%}
  .path-doors{grid-template-columns:1fr 1fr}
  .play-score{min-width:64px}
}
/* ===================================================================
   ПРЕМИУМ v3: 3D-оформление и дизайнерские анимации
   =================================================================== */

/* смайл игры в шапке — принудительно emoji-шрифт, иначе может не отображаться */
.play-ico{font-family:'Apple Color Emoji','Segoe UI Emoji','Noto Color Emoji','Twemoji Mozilla','Segoe UI Symbol',sans-serif;font-weight:400}

/* 3D-кнопки: объём, нависание, физическое нажатие */
.g-opt{background:linear-gradient(180deg,#2d2d4c,#20203a);border-color:#3a3a5e;
  box-shadow:0 5px 0 #14142a,0 10px 18px rgba(0,0,0,.35)}
.g-opt:hover{border-color:var(--p1);transform:translateY(-2px);box-shadow:0 7px 0 #14142a,0 14px 22px rgba(0,0,0,.4)}
.g-opt:active{transform:translateY(4px);box-shadow:0 1px 0 #14142a}
.g-opt.right{box-shadow:0 5px 0 rgba(20,90,50,.8),0 10px 18px rgba(61,220,132,.25)}
.g-opt.wrong{box-shadow:0 5px 0 rgba(120,30,40,.8)}
.tf-btn{box-shadow:0 5px 0 rgba(0,0,0,.4),0 10px 18px rgba(0,0,0,.3)}
.tf-btn:active{transform:translateY(4px);box-shadow:0 1px 0 rgba(0,0,0,.4)}
.ord-chip{background:linear-gradient(180deg,#2d2d4c,#20203a);box-shadow:0 4px 0 #14142a,0 8px 14px rgba(0,0,0,.3)}
.ord-chip:active{transform:translateY(3px) scale(.97);box-shadow:0 1px 0 #14142a}
.path-door{background:linear-gradient(180deg,#2d2d4c,#20203a);box-shadow:0 5px 0 #14142a,0 10px 18px rgba(0,0,0,.35)}
.path-door:active{transform:translateY(4px);box-shadow:0 1px 0 #14142a}
.g-question{text-shadow:0 3px 10px rgba(0,0,0,.45)}
.game-card:hover{transform:perspective(700px) translateY(-4px) rotateX(2.5deg)}
.game-ico{box-shadow:inset 0 -3px 0 rgba(0,0,0,.25),0 4px 10px rgba(0,0,0,.25)}

/* появление вопроса */
.slide-in{animation:qslide .3s ease-out}
@keyframes qslide{from{opacity:0;transform:translateY(-10px) scale(.97)}}

/* FX: частицы, всплывающий текст, снаряды */
.fx-p{position:fixed;z-index:220;width:9px;height:9px;border-radius:3px;pointer-events:none;
  transform:translate(-50%,-50%);box-shadow:0 0 8px rgba(255,255,255,.25)}
.fx-float{position:fixed;z-index:220;font-family:var(--font-d);font-weight:900;font-size:21px;
  pointer-events:none;transform:translate(-50%,-50%);text-shadow:0 2px 10px rgba(0,0,0,.55)}
.fx-proj{position:fixed;z-index:230;font-size:26px;pointer-events:none;transform:translate(-50%,-50%);
  filter:drop-shadow(0 3px 6px rgba(0,0,0,.4))}
.fx-star{font-size:22px}
.fx-bolt{font-size:30px}
.fx-fire{font-size:28px}
.fx-piece{font-family:var(--font-d);font-weight:900;font-size:24px;color:var(--p2);
  background:var(--card2);border:2px solid var(--p2);border-radius:12px;padding:4px 12px;
  box-shadow:0 8px 20px rgba(0,212,255,.35)}
.fx-arrow{width:46px;height:5px;background:linear-gradient(90deg,#8a6b3f,#e8d9b0);border-radius:3px;font-size:0}
.fx-arrow::before{content:"";position:absolute;left:-2px;top:-3px;border-right:9px solid #d94f4f;
  border-top:5.5px solid transparent;border-bottom:5.5px solid transparent}
.fx-arrow::after{content:"";position:absolute;right:-9px;top:-4.5px;border-left:13px solid #e8eaf2;
  border-top:7px solid transparent;border-bottom:7px solid transparent}

/* штамп «верно/неверно» + компоновка без пустоты: вопрос по центру, кнопки внизу */
.tf-qbox{position:relative;flex:1;display:flex;align-items:center;justify-content:center;min-height:120px}
.tf-qbox .g-question{font-size:clamp(26px,6vw,46px)}
.tf-btn{padding:clamp(22px,5vw,38px)}
.fx-stamp{position:absolute;left:50%;top:50%;z-index:6;pointer-events:none;
  font-family:var(--font-d);font-weight:900;font-size:clamp(22px,5vw,34px);letter-spacing:1px;
  padding:8px 20px;border:4px solid;border-radius:14px;background:rgba(15,15,26,.6);backdrop-filter:blur(2px);
  transform:translate(-50%,-50%) rotate(-10deg)}
.fx-stamp.ok{color:var(--ok);border-color:var(--ok);box-shadow:0 0 24px rgba(61,220,132,.4)}
.fx-stamp.bad{color:var(--bad);border-color:var(--bad);box-shadow:0 0 24px rgba(255,92,108,.4)}

/* дуэль: атаки и вспышки */
.duel-face{filter:drop-shadow(0 6px 12px rgba(0,0,0,.45))}
.duel-vs{animation:vspulse 1.6s ease-in-out infinite}
@keyframes vspulse{50%{transform:scale(1.18) rotate(8deg)}}
.duel-face.atk{animation:atklunge .4s}
@keyframes atklunge{35%{transform:translateX(10px) scale(1.12)}}

/* босс-битва: лучник против дракона */
.boss-wrap{position:relative}
.boss-scene{position:relative;display:flex;align-items:flex-end;justify-content:space-between;
  padding:8px 12px 4px;min-height:104px;gap:12px}
.boss-archer{position:relative;z-index:2;filter:drop-shadow(0 5px 8px rgba(0,0,0,.4))}
.boss-archer.shoot{animation:archershoot .35s}
/* рисованный лучник */
.arch{position:relative;width:54px;height:58px}
.arch i{position:absolute;display:block}
.a-hood{left:10px;top:0;width:22px;height:15px;background:linear-gradient(180deg,#3fae6b,#2e8c52);border-radius:11px 11px 4px 4px;z-index:3}
.a-hood::after{content:"";position:absolute;left:-7px;top:8px;border-top:7px solid transparent;border-bottom:3px solid transparent;border-right:9px solid #2e8c52}
.a-face{left:15px;top:6px;width:13px;height:9px;background:#ffcf9e;border-radius:3px;z-index:2}
.a-face::after{content:"";position:absolute;right:2px;top:3px;width:2.5px;height:2.5px;background:#33241a;border-radius:50%}
.a-body{left:11px;top:14px;width:20px;height:21px;background:linear-gradient(180deg,#3fae6b,#267144);border-radius:7px 7px 5px 5px;z-index:2}
.a-belt{left:11px;top:27px;width:20px;height:4px;background:#6b4a28;border-radius:2px;z-index:3}
.a-legs{left:13px;top:35px;width:16px;height:15px;background:#5b4632;border-radius:0 0 5px 5px}
.a-legs::after{content:"";position:absolute;left:-2px;bottom:-4px;width:20px;height:4.5px;background:#33241a;border-radius:2px}
.a-quiver{left:0;top:13px;width:9px;height:21px;background:linear-gradient(180deg,#a06a2e,#8a5a26);border-radius:4px;transform:rotate(14deg);z-index:1}
.a-quiver::after{content:"";position:absolute;left:2px;top:-6px;width:2px;height:8px;background:#e8d9b0;box-shadow:3.5px -1px 0 #e8d9b0}
.a-arm{left:25px;top:19px;width:16px;height:5px;background:#3fae6b;border-radius:3px;z-index:4}
.a-arm::after{content:"";position:absolute;right:-1px;top:0;width:5px;height:5px;background:#ffcf9e;border-radius:50%}
.a-bow{left:38px;top:3px;width:14px;height:47px;border:3.5px solid #8a5a26;border-left:none;
  border-radius:0 15px 15px 0/0 24px 24px 0;box-shadow:1px 0 0 rgba(0,0,0,.2);z-index:2}
.a-string{left:38px;top:4px;width:1.8px;height:46px;background:#e8e8f0;z-index:1}
@keyframes archershoot{40%{transform:translateX(7px) scale(1.06)}}
.boss-col{flex:0 0 44%;display:flex;flex-direction:column;gap:8px;align-items:center;z-index:2}
.boss-face{font-size:62px;line-height:1;filter:drop-shadow(0 8px 16px rgba(0,0,0,.5));
  animation:bossbob 2.6s ease-in-out infinite;transform:scaleX(-1)}
@keyframes bossbob{50%{transform:scaleX(-1) translateY(-8px) scale(1.04)}}
.boss-face.roar{animation:bossroar .5s}
@keyframes bossroar{30%{transform:scaleX(-1) scale(1.25) rotate(-6deg);filter:drop-shadow(0 0 22px rgba(255,122,60,.9))}}
.boss-face.hit-flash{animation:bosshit .35s}
@keyframes bosshit{30%{transform:scaleX(-1) scale(1.14);filter:brightness(2.2) saturate(0)}}
.boss-col .g-bar{width:100%}
.boss-heat{position:absolute;inset:-10px;z-index:1;pointer-events:none;opacity:0;transition:opacity .18s;
  background:radial-gradient(ellipse at 75% 45%,rgba(255,122,60,.4),transparent 62%)}
.boss-heat.on{opacity:1}

/* башня: небо, Марио-строитель, кирпичные этажи */
.tw-scene{position:relative;height:236px;flex:0 0 auto;border-radius:16px;overflow:hidden;
  background:linear-gradient(180deg,#4aa8e8 0%,#8fd0f7 55%,#c2e8ff 100%);
  box-shadow:inset 0 -6px 18px rgba(0,0,0,.15)}
.tw-sun{position:absolute;top:10px;right:16px;font-size:30px;animation:floaty 6s ease-in-out infinite}
.tw-cloud{position:absolute;font-size:28px;opacity:.95;filter:drop-shadow(0 4px 6px rgba(0,0,0,.1))}
.tw-cloud.c1{top:14px;animation:cloudmove 26s linear infinite}
.tw-cloud.c2{top:52px;font-size:20px;animation:cloudmove 34s linear infinite reverse}
@keyframes cloudmove{from{left:-60px}to{left:105%}}
.tw-ground{position:absolute;bottom:0;left:0;right:0;height:22px;z-index:2;
  background:linear-gradient(180deg,#6fbf5e,#4c9147 40%,#7a5b3a 40%,#5d452c)}
.tw-tower{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column-reverse;align-items:center;gap:1px}
.tw-block{height:23px;border-radius:3px;display:flex;justify-content:space-evenly;align-items:center;
  background-image:repeating-linear-gradient(90deg,rgba(0,0,0,.14) 0 2px,transparent 2px 22px),
    repeating-linear-gradient(0deg,rgba(0,0,0,.16) 0 1.5px,transparent 1.5px 11.5px),
    linear-gradient(180deg,#d1734f,#b45a3e);
  box-shadow:inset 0 2px 0 rgba(255,255,255,.25),0 3px 5px rgba(0,0,0,.3)}
.tw-block i{width:8px;height:11px;background:linear-gradient(180deg,#fff3c7,#ffd76e);border-radius:2px;
  box-shadow:0 0 7px rgba(255,225,130,.9),inset 0 -2px 0 rgba(0,0,0,.15)}
.tw-roof{width:0;height:0;border-left:48px solid transparent;border-right:48px solid transparent;
  border-bottom:32px solid #7c5cff;position:relative;filter:drop-shadow(0 -2px 6px rgba(0,0,0,.2))}
.tw-flag{position:absolute;left:-10px;top:4px;font-size:20px;animation:floaty 2.5s ease-in-out infinite}
.tw-mario{position:absolute;bottom:22px;left:-40px;width:26px;height:38px;z-index:4}
.tw-mario .m-bob{position:relative;width:100%;height:100%}
.tw-mario.walk .m-bob{animation:mwalk .32s steps(2) infinite}
@keyframes mwalk{50%{transform:translateY(-3px) rotate(3deg)}}
.tw-mario .m-cap{position:absolute;top:0;left:3px;width:20px;height:8px;background:#e63b2e;border-radius:7px 7px 2px 2px}
.tw-mario .m-cap::before{content:"";position:absolute;right:-6px;top:4px;width:11px;height:4px;background:#e63b2e;border-radius:2px}
.tw-mario .m-face{position:absolute;top:8px;left:5px;width:16px;height:9px;background:#ffcf9e;border-radius:4px}
.tw-mario .m-face::before{content:"";position:absolute;right:2px;top:2px;width:3px;height:3px;background:#3b2a1a;border-radius:50%}
.tw-mario .m-body{position:absolute;top:17px;left:2px;width:22px;height:13px;background:#2456d8;border-radius:5px 5px 3px 3px}
.tw-mario .m-body::before{content:"";position:absolute;left:4px;top:-3px;width:14px;height:5px;background:#e63b2e;border-radius:2px}
.tw-mario .m-body::after{content:"";position:absolute;left:8px;top:3px;width:6px;height:6px;background:#ffd76e;border-radius:50%}
.tw-mario .m-legs{position:absolute;bottom:0;left:4px;width:18px;height:8px;background:#5b3b20;border-radius:2px 2px 4px 4px}
.tw-mario .m-carry{display:none;position:absolute;top:-13px;left:0;width:26px;height:11px;border-radius:2px;
  background-image:repeating-linear-gradient(90deg,rgba(0,0,0,.15) 0 1.5px,transparent 1.5px 9px),linear-gradient(180deg,#d1734f,#b45a3e);
  box-shadow:0 2px 4px rgba(0,0,0,.3)}

/* порядок: паровозики */
.ord-done{min-height:56px}
.ord-done.ord-train{width:100%;position:relative;justify-content:flex-start;align-items:flex-end;
  gap:12px;padding:4px 8px 20px;min-height:84px;overflow:hidden}
.ord-done.ord-train::after{content:"";position:absolute;left:0;right:0;bottom:9px;height:4px;
  background:linear-gradient(180deg,#9aa0b5,#6d7288);border-radius:2px;box-shadow:0 5px 0 -1px #565b70}
.ord-done.ord-train::before{content:"";position:absolute;left:0;right:0;bottom:2px;height:14px;
  background:repeating-linear-gradient(90deg,#6b5233 0 7px,transparent 7px 24px)}
.ord-trainitem{display:flex;align-items:flex-end;z-index:1;position:relative}
.ot-loco{font-size:27px;transform:scaleX(-1);filter:drop-shadow(0 3px 4px rgba(0,0,0,.35));margin-left:-3px}
.ot-wagon{color:#fff;font-weight:900;font-size:clamp(14px,2.6vw,18px);padding:7px 12px;margin-bottom:7px;
  border-radius:9px 9px 4px 4px;position:relative;text-shadow:0 1px 3px rgba(0,0,0,.4);
  box-shadow:inset 0 2px 0 rgba(255,255,255,.35),inset 0 -3px 0 rgba(0,0,0,.25),0 3px 6px rgba(0,0,0,.3)}
.ot-wagon::after{content:"";position:absolute;left:4px;right:4px;bottom:-8px;height:9px;
  background:radial-gradient(circle 4.5px at 22% 50%,#20222e 96%,transparent),
    radial-gradient(circle 4.5px at 78% 50%,#20222e 96%,transparent)}

/* порядок: растущая лесенка */
.ord-done.ord-ladder{flex-direction:column-reverse;align-items:center;justify-content:flex-start;
  gap:3px;min-height:150px}
.ord-step{border:1px solid rgba(0,0,0,.35);color:#fff;
  font-weight:900;font-size:clamp(15px,3vw,20px);padding:9px 26px;border-radius:8px;
  transform-origin:center bottom;text-shadow:0 1px 3px rgba(0,0,0,.45)}

/* порядок: цепочка */
.ord-done.ord-chain{align-items:center;gap:2px}
.ord-chainlink{background:linear-gradient(180deg,#e3e7f2,#9aa2b8);color:#20243a;font-weight:900;
  font-size:clamp(13px,2.5vw,17px);padding:8px 15px;border-radius:99px;border:2px solid #7a829a;
  box-shadow:inset 0 2px 3px rgba(255,255,255,.7),inset 0 -3px 4px rgba(0,0,0,.18),0 4px 8px rgba(0,0,0,.35)}
.ot-link{font-size:19px;margin:0 -1px;filter:drop-shadow(0 2px 3px rgba(0,0,0,.35))}

/* порядок: великаны по росту */
.ord-done.ord-giants{align-items:flex-end;gap:14px}
.ord-giant{display:flex;flex-direction:column;align-items:center;gap:3px}
.ord-giant span{filter:drop-shadow(0 4px 6px rgba(0,0,0,.4));line-height:1}
.ord-giant b{background:var(--card2);border:1px solid var(--line);border-radius:8px;padding:2px 9px;font-size:12.5px}

/* тропа: светящиеся тропинки к дверям */
.path-area{position:relative;flex:1;display:flex;flex-direction:column;justify-content:flex-end;min-height:170px}
.trail-svg{position:absolute;inset:0;pointer-events:none;z-index:0;width:100%;height:100%;overflow:visible}
.trail{fill:none;stroke:rgba(255,194,71,.5);stroke-width:3;stroke-dasharray:1 11;stroke-linecap:round;
  animation:trailmove 1s linear infinite}
@keyframes trailmove{to{stroke-dashoffset:-12}}
.trail.win{stroke:var(--ok);stroke-dasharray:none;animation:none;filter:drop-shadow(0 0 5px rgba(61,220,132,.8))}
.trail.lose{stroke:rgba(255,92,108,.65)}
.path-hero{position:absolute;top:-4px;left:50%;transform:translateX(-50%);font-size:26px;z-index:1;
  filter:drop-shadow(0 4px 6px rgba(0,0,0,.4));animation:floaty 3s ease-in-out infinite}
.path-doors{position:relative;z-index:1}
.path-door.opened{border-color:var(--ok);background:linear-gradient(180deg,rgba(61,220,132,.22),rgba(61,220,132,.08))}
.path-door.opened::before{animation:dooropen .45s}
@keyframes dooropen{40%{transform:rotateY(-55deg) scale(1.1)}}
/* замок периметров: рисованные SVG-замки со светящимся периметром */
.path-door{position:relative}
.path-door.castle::before{content:none}
.castle-ico{display:block;line-height:0;margin-bottom:8px;filter:drop-shadow(0 4px 6px rgba(0,0,0,.4))}
.path-door b{display:block;font-weight:700}
.path-door.castle{animation:castleglow 1.8s ease-in-out infinite}
@keyframes castleglow{50%{box-shadow:0 0 0 3px rgba(255,194,71,.55),0 0 26px rgba(255,194,71,.3),0 5px 0 #14142a}}
.path-door.castle::after{content:"";position:absolute;inset:7px;border:2px dashed rgba(255,194,71,.6);
  border-radius:11px;pointer-events:none;animation:perimpulse 2.2s linear infinite}
@keyframes perimpulse{50%{border-color:rgba(255,92,168,.75)}}
.path-door.castle.opened{animation:none;box-shadow:0 0 0 3px var(--ok),0 0 26px rgba(61,220,132,.45)}
.path-door.castle.opened::after{border-color:var(--ok);animation:none}

/* память: салют при совпадении */
.mem-card.done .mem-inner{animation:memglow .55s}
@keyframes memglow{45%{transform:rotateY(180deg) scale(1.14)}}
.mem-card.done .mem-front{box-shadow:0 0 14px rgba(61,220,132,.45)}
.mem-back{box-shadow:inset 0 -4px 0 rgba(0,0,0,.22)}

/* числовая прямая: метка-призрак верного ответа */
.nl-answer{position:absolute;top:42px;transform:translateX(-50%);color:var(--ok);font-size:15px;
  line-height:1;text-align:center;z-index:1;animation:pulse .55s infinite alternate;pointer-events:none}
.nl-answer i{display:block;font-style:normal;font-size:11px;font-weight:900;margin-top:2px}

/* мини-линейка в разборе ошибок */
.rw{display:flex;flex-direction:column;gap:4px}
.rw-q{font-size:12px;line-height:1.35}
.rw-track{position:relative;height:24px;margin:14px 8px 10px}
.rw-track::before{content:"";position:absolute;left:0;right:0;top:9px;height:3px;
  background:rgba(255,255,255,.35);border-radius:2px}
.rw-dot{position:absolute;top:3.5px;margin-left:-7px;width:14px;height:14px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%,#8effc2,var(--ok) 65%);box-shadow:0 0 9px rgba(61,220,132,.95)}
.rw-val{position:absolute;top:-14px;transform:translateX(-50%);font-style:normal;font-size:11px;
  font-weight:900;color:#d7ffe8;white-space:nowrap}
.rw-lab{position:absolute;top:15px;transform:translateX(-50%);font-size:9.5px;color:rgba(255,255,255,.55);white-space:nowrap}
@media(min-width:1181px){ .err-tray{width:232px} }

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}