:root{
    --bg:#eef3f8; --bg2:#ffffff; --card:#ffffff; --line:#d9e3ee;
    --brand:#3b7ec2; --brand-dark:#2a639c; --brand-soft:#e9f1f9;
    --text:#1f2d3a; --muted:#5f7183;
    --good:#2e9e5b; --bad:#d9534f; --warn:#e0a800;
    --hl:rgba(59,126,194,.45);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.6}
  .wrap{max-width:1620px;margin:0 auto;padding:0 20px}

  header{background:linear-gradient(90deg,var(--brand-dark),var(--brand));border-bottom:1px solid var(--brand-dark);position:sticky;top:0;z-index:10;box-shadow:0 2px 8px rgba(31,45,58,.15)}
  .nav{display:flex;align-items:center;gap:22px;height:66px;flex-wrap:nowrap}
  .logo{display:flex;align-items:center;gap:12px;color:#fff;font-size:1.15rem;font-weight:600;letter-spacing:.4px;text-decoration:none;cursor:pointer;border-radius:10px;padding:4px 8px;transition:.15s}
  a.logo:hover{background:rgba(255,255,255,.15)}
  .logo-img{width:44px;height:44px;border-radius:10px;display:block;flex:0 0 auto;background-image:url("logo.png");background-size:cover;background-position:center}
  .nav a{color:#dce9f5;text-decoration:none;font-size:.98rem;transition:.2s;padding:6px 2px;white-space:nowrap}
  .nav a:hover{color:#fff}
  .nav a.active{color:#fff;border-bottom:2px solid #fff}

  .hero{padding:64px 0 44px;text-align:center}
  .hero h1{font-family:Georgia,serif;font-size:2.5rem;color:var(--brand-dark);margin-bottom:14px;font-weight:600}
  .hero p{color:var(--muted);max-width:620px;margin:0 auto;font-size:1.08rem}

  .stats{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;padding:0 0 40px}
  .stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 30px;text-align:center;min-width:160px;box-shadow:0 1px 3px rgba(31,45,58,.07)}
  .stat b{display:block;font-size:1.8rem;color:var(--brand)}
  .stat span{color:var(--muted);font-size:.86rem}

  section{padding:42px 0}
  h2.section-title{font-size:1.55rem;color:var(--brand-dark);margin-bottom:24px;font-weight:600;border-bottom:2px solid var(--line);padding-bottom:10px}

  .grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
  .card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;cursor:pointer;transition:.2s;box-shadow:0 1px 3px rgba(31,45,58,.07)}
  .card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:0 4px 12px rgba(31,45,58,.12)}
  .badge{display:inline-block;font-size:.72rem;letter-spacing:.8px;text-transform:uppercase;color:var(--brand-dark);background:var(--brand-soft);border-radius:20px;padding:3px 12px;margin-bottom:10px}
  .badge-lv{background:#f3ecdc;color:#8a6a1f}
  .badge-topic{background:#e7f4ec;color:#20714a}
  .card h3{font-size:1.16rem;margin-bottom:6px;font-weight:600}
  .card .date{color:var(--muted);font-size:.84rem}

  .board-frame{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;display:inline-block;box-shadow:0 1px 3px rgba(31,45,58,.07)}
  .board-frame .board{width:100%;max-width:720px}
  .status{min-height:1.6em;margin:10px 0;font-size:1.02rem}
  .status.good{color:var(--good)} .status.bad{color:var(--bad)}
  .btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
  button{background:#fff;border:1px solid var(--brand);color:var(--brand-dark);border-radius:9px;padding:9px 18px;font-family:inherit;font-size:.94rem;cursor:pointer;transition:.15s}
  button:hover{background:var(--brand);color:#fff}
  button.ghost{border-color:var(--line);color:var(--muted)}
  button.ghost:hover{background:var(--line);color:var(--text)}
  button.sel{background:var(--brand);color:#fff;border-color:var(--brand)}
  .hint-box{background:var(--brand-soft);border-left:3px solid var(--brand);padding:10px 14px;border-radius:0 8px 8px 0;margin-top:12px;display:none;color:var(--text)}

  .hl{background:var(--hl)!important}

  footer{border-top:1px solid var(--line);margin-top:44px;padding:28px 0;text-align:center;color:var(--muted);font-size:.88rem}

  .modal-bg{display:none;position:fixed;inset:0;background:rgba(31,45,58,.55);z-index:100;overflow-y:auto;padding:40px 16px}
  .modal-bg.open{display:block}
  .modal{background:#fff;border:1px solid var(--brand);border-radius:16px;max-width:720px;margin:0 auto;padding:34px 38px;position:relative;box-shadow:0 10px 40px rgba(31,45,58,.25)}
  .modal h2{color:var(--brand-dark);font-weight:600;margin-bottom:6px;font-size:1.5rem}
  .modal .date{color:var(--muted);font-size:.86rem;margin-bottom:18px}
  .modal p{margin-bottom:14px}
  .modal ul{margin:0 0 14px 22px}
  .modal h3{color:var(--brand-dark);font-weight:600;margin:18px 0 8px}
  .close-x{position:absolute;top:12px;right:16px;font-size:1.7rem;color:var(--muted);cursor:pointer;border:none;background:none}
  .close-x:hover{color:var(--brand)}

  /* ============ ТРЕНАЖЕР ДЕБЮТОВ ============ */
  .openings-layout{display:grid;grid-template-columns:270px minmax(560px,720px) minmax(400px,1fr);gap:26px;align-items:start}
  @media(max-width:1280px){.openings-layout{grid-template-columns:1fr}}
  .chapters{display:flex;flex-direction:column;gap:10px;position:sticky;top:124px;max-height:calc(100vh - 149px);overflow-y:auto;padding:2px 8px 12px 2px;scrollbar-width:thin;scrollbar-color:#b9c9d9 transparent}
  .chapters::-webkit-scrollbar{width:8px}
  .chapters::-webkit-scrollbar-thumb{background:#c3d2e0;border-radius:8px}
  .chapters::-webkit-scrollbar-thumb:hover{background:#9fb6cc}
  .chapter-btn{text-align:left;border:1px solid var(--line);color:var(--text);background:#fff;border-radius:12px;padding:13px 15px;font-size:.96rem;font-weight:500;cursor:pointer;transition:.15s;box-shadow:0 1px 3px rgba(31,45,58,.06)}
  .chapter-btn:hover{border-color:var(--brand)}
  .chapter-btn.sel{border:2px solid var(--brand);background:var(--brand-soft);box-shadow:0 2px 8px rgba(42,99,156,.18)}
  .chapter-btn .ch-title{color:var(--text);font-weight:600}
  .chapter-btn.sel .ch-title{color:var(--brand-dark)}
  .chapter-btn.sel .prog{color:var(--brand-dark);font-weight:700}
  .chapter-btn .done-mark{color:var(--good);font-weight:700;margin-right:4px}
  .chapter-btn .prog{float:right;color:var(--muted);font-size:.8rem}
  .line-list{display:flex;flex-direction:column;gap:7px;margin:2px 0 6px 12px;padding-left:12px;border-left:2px solid var(--line)}
  .line-btn{text-align:left;border:1px solid var(--line);color:var(--text);background:#fff;border-radius:10px;padding:10px 13px;font-size:.9rem;line-height:1.45;cursor:pointer;transition:.15s;display:flex;gap:10px;align-items:flex-start}
  .ln-idx{flex:0 0 auto;min-width:26px;height:26px;border-radius:8px;background:var(--brand-soft);color:var(--brand-dark);font-size:.8rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;margin-top:1px}
  .line-btn.sel .ln-idx{background:#fff;color:var(--brand-dark)}
  .ln-body{flex:1;min-width:0}
  .ln-main{display:block;font-weight:600;font-size:.93rem;color:var(--text)}
  .line-btn.sel .ln-main{color:#fff}
  .ln-hint{display:block;color:var(--muted);font-size:.79rem;margin-top:2px;line-height:1.4}
  .line-btn.sel .ln-hint{color:#e2edf8}
  .line-btn.danger .ln-hint{color:#a85f5b}
  .line-btn.dubious .ln-hint{color:#9c8433}
  .line-btn:hover{border-color:var(--brand)}
  .line-btn.sel{border-color:var(--brand-dark);background:var(--brand);color:#fff;font-weight:600;box-shadow:0 2px 6px rgba(42,99,156,.25)}
  .line-btn.random{border-style:dashed;color:var(--brand-dark)}
  .line-btn .done-mark{color:var(--good);font-weight:700}
  .line-btn.danger{border-left:4px solid var(--bad);background:#fdf1f0}
  .line-btn.danger .warn-mark{color:var(--bad);font-weight:700}
  .line-btn.dubious{border-left:4px solid var(--warn);background:#fdf9ec}
  .line-btn.dubious .warn-mark{color:var(--warn);font-weight:700}
  .open-panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;min-height:0;box-shadow:0 1px 3px rgba(31,45,58,.07);align-self:stretch;display:flex;flex-direction:column;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#b9c9d9 transparent}
  .board-frame{align-self:start}
  .open-panel h3{color:var(--brand-dark);font-weight:600;font-size:1.2rem;margin-bottom:12px}
  .mode-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px;align-items:center}
  .comment-view{background:var(--brand-soft);border:2px solid var(--brand);border-left-width:5px;border-radius:12px;padding:13px 17px;margin:14px 0 0;min-height:100px;flex:1 1 auto;overflow-y:auto;color:var(--text);font-size:1rem;line-height:1.65;scrollbar-width:thin;scrollbar-color:#b9c9d9 transparent}
  .comment-view.empty{display:none}
  /* тренер выползает из нижней части панели, когда есть пояснение */
  .coach-box{display:flex;flex-direction:column;align-items:center;gap:6px;overflow:hidden;max-height:0;opacity:0;transform:translateY(46px);transition:max-height .5s ease,opacity .4s ease,transform .45s cubic-bezier(.2,.9,.3,1.15),margin .4s ease;align-self:flex-end;position:relative;z-index:3;margin:0 14px 0 0}
  .coach-box.show{max-height:400px;opacity:1;transform:none;margin-top:-30px;margin-bottom:6px}
  .coach-box .ph{width:auto;height:340px;max-width:240px;display:block;filter:drop-shadow(0 10px 16px rgba(31,45,58,.35))}
  .coach-box .cap{color:var(--brand-dark);font-weight:600;font-size:.92rem;text-align:center;line-height:1.35}
  .coach-box .cap small{display:block;color:var(--muted);font-weight:400;font-size:.76rem;margin-top:3px}
  .movetext{font-size:.94rem;color:var(--muted);max-height:140px;flex:0 0 auto;overflow-y:auto;background:#f7fafc;border:1px solid var(--line);border-radius:10px;padding:12px 15px;line-height:1.8}
  .movetext b{color:var(--text);font-weight:600;margin-right:2px}
  .movetext .mv{cursor:pointer;padding:2px 5px;border-radius:5px}
  .movetext .mv:hover{background:var(--line)}
  .movetext .mv.cur{background:var(--brand);color:#fff}
  .movetext .mv.far{color:var(--muted);opacity:.4;cursor:default}
  .movetext .mv.far:hover{background:none}

/* доска в фирменных цветах APCHESS */
.white-1e1d7{background-color:#dde3e8!important}
.black-3c85d{background-color:#4a7fb5!important}
.board-b72b1{border-color:#2a639c!important;border-radius:6px}

/* Расцветка шахматной доски: выбор ученика хранится в chess_school_board_theme.
   Цвета нотации рассчитаны на контраст с соответствующей клеткой. */
html[data-board-theme="blue"] .white-1e1d7{background-color:#dce9f5!important;color:#4f85b9!important}
html[data-board-theme="blue"] .black-3c85d{background-color:#4f85b9!important;color:#dce9f5!important}
html[data-board-theme="green"] .white-1e1d7{background-color:#f0eed7!important;color:#769656!important}
html[data-board-theme="green"] .black-3c85d{background-color:#769656!important;color:#f0eed7!important}
html[data-board-theme="wood"] .white-1e1d7{background-color:#f0d9b5!important;color:#b58863!important}
html[data-board-theme="wood"] .black-3c85d{background-color:#b58863!important;color:#f0d9b5!important}
html[data-board-theme="pink"] .white-1e1d7{background-color:#fde3ee!important;color:#c76691!important}
html[data-board-theme="pink"] .black-3c85d{background-color:#c76691!important;color:#fde3ee!important}
html[data-board-theme="contrast"] .white-1e1d7{background-color:#f5f5f5!important;color:#303841!important}
html[data-board-theme="contrast"] .black-3c85d{background-color:#303841!important;color:#f5f5f5!important}

  /* окно выбора дебюта */
  .picker-inline{max-width:840px;margin:6px auto 0}
  .picker-inline h2{color:var(--brand-dark);font-size:1.6rem;font-weight:600;margin-bottom:6px}
  .picker-inline .sub{color:var(--muted);margin-bottom:24px}
  .picker-bg{position:fixed;inset:0;background:rgba(31,45,58,.55);backdrop-filter:blur(3px);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
  .picker{background:#fff;border-radius:18px;max-width:660px;width:100%;padding:34px 38px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
  .picker h2{color:var(--brand-dark);font-weight:600;font-size:1.5rem;margin-bottom:6px}
  .picker .sub{color:var(--muted);margin-bottom:24px}
  .picker-list{display:flex;flex-direction:column;gap:14px}
  .course-card{border:2px solid var(--line);border-radius:14px;padding:18px 20px;display:flex;align-items:center;gap:16px;cursor:pointer;transition:.2s;background:#fff}
  .course-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:0 6px 16px rgba(42,99,156,.15)}
  .course-card .ico{font-size:2.1rem;line-height:1}
  .course-card .info{flex:1;min-width:0}
  .course-card h3{color:var(--text);font-size:1.1rem;font-weight:600}
  .course-card .meta{color:var(--muted);font-size:.85rem;margin-top:4px}
  .course-card .bar{height:6px;background:var(--line);border-radius:6px;margin-top:10px;overflow:hidden}
  .course-card .bar i{display:block;height:100%;background:var(--good);border-radius:6px}
  .course-card .go{border:1px solid var(--brand);color:var(--brand-dark);border-radius:10px;padding:10px 22px;font-weight:600;white-space:nowrap;transition:.15s}
  .course-card:hover .go{background:var(--brand);color:#fff}

a.card-link{display:block;text-decoration:none;color:inherit}
.page-head{padding:38px 0 6px}
.page-head h1{color:var(--brand-dark);font-size:1.9rem;font-weight:600}
.page-head p{color:var(--muted);margin-top:6px;max-width:640px}

  /* ============ МОБИЛЬНАЯ ВЕРСТКА ============ */
  html{-webkit-text-size-adjust:100%}
  img{max-width:100%}

  /* планшеты и меньше: тренажёры в одну колонку */
  @media(max-width:1280px){
    .openings-layout{grid-template-columns:1fr !important;gap:16px}
    .openings-layout>*{min-width:0}
    .chapters{position:static;max-height:none;overflow:visible}
    /* доска и панель управления — первыми, список глав следует ниже */
    .openings-layout>.board-frame{order:-2}
    .openings-layout>.open-panel{order:-1}
    .coach-box .ph{height:280px}
    /* в тренажёре дебютов заголовок, режим, статус, комментарий и кнопки — сразу под доской */
    #trainerView .open-panel h3{order:-6;margin-bottom:4px}
    #trainerView .mode-row{order:-5;margin-bottom:6px}
    #trainerView .status{order:-4;margin:6px 0}
    #trainerView .comment-view{order:-3;margin-top:8px}
    #trainerView .btns{order:-2;margin-top:8px}
  }

  @media(max-width:1200px){
    .nav{gap:14px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
      -webkit-mask-image:linear-gradient(to right,#000 88%,transparent 99%);mask-image:linear-gradient(to right,#000 88%,transparent 99%)}
    .nav::-webkit-scrollbar{display:none}
    .nav .logo{flex:0 0 auto}
  }

  @media(max-width:768px){
    .wrap{padding:0 14px}
    /* навигация: горизонтальная прокрутка вместо переполнения */
    .nav{height:56px;gap:14px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
      -webkit-mask-image:linear-gradient(to right,#000 82%,transparent 99%);mask-image:linear-gradient(to right,#000 82%,transparent 99%)}
    .nav::-webkit-scrollbar{display:none}
    .nav a{white-space:nowrap;font-size:.92rem;padding:6px 4px}
    .nav .logo{flex:0 0 auto;font-size:1.02rem;gap:8px;padding:4px 6px}
    .nav .logo-img{width:34px;height:34px}

    .hero{padding:34px 0 24px}
    .hero h1{font-size:1.65rem}
    .hero p{font-size:.97rem}
    .stats{gap:10px;padding-bottom:26px}
    .stat{flex:1 1 42%;min-width:0;padding:12px 8px}
    .stat b{font-size:1.3rem}
    .stat span{font-size:.76rem}
    section{padding:24px 0}
    h2.section-title{font-size:1.2rem;margin-bottom:16px}
    .page-head{padding:22px 0 2px}
    .page-head h1{font-size:1.4rem}
    .page-head p{font-size:.92rem}

    /* широкие таблицы (лидерборд и др.) прокручиваются горизонтально */
    #lbTable{overflow-x:auto}

    /* доска занимает всю ширину экрана */
    .board-frame{display:block;width:100%;max-width:100%;padding:10px}
    .board-frame .board{max-width:100%}

    /* модалки и окна выбора */
    .modal-bg{padding:16px 10px}
    .modal{padding:20px 16px}
    .modal h2{font-size:1.25rem;padding-right:26px}
    .close-x{top:6px;right:10px;font-size:1.4rem}
    .picker{padding:20px 16px}
    .picker h2{font-size:1.25rem}
    .course-card{padding:14px 16px;gap:12px;flex-wrap:wrap}
    .course-card .ico{font-size:1.6rem}
    .course-card .info{flex:1 1 55%}
    .course-card .go{flex:1 1 100%;text-align:center;padding:10px}

    /* панели тренажёров */
    .movetext{max-height:110px;font-size:.88rem;padding:10px 12px}
    .comment-view{font-size:.93rem;padding:11px 14px}
    .coach-box .ph{height:200px;max-width:150px}
    .coach-box.show{margin-top:-14px}
    .open-panel{padding:14px}

    /* список глав — компактная облако чипов, линии выбранной главы — чипами ниже */
    .chapters{flex-direction:row;flex-wrap:wrap;overflow:visible;gap:8px;padding:2px 2px 10px;align-items:flex-start;max-height:none}
    .chapters>div{display:contents}
    .chapters #bkChapters{display:contents}
    .chapters .chapter-btn,.chapters .mode-row{flex:0 0 auto}
    .chapters .chapter-btn{white-space:nowrap;padding:9px 14px;font-size:.88rem}
    .chapters .chapter-btn .prog{float:none;margin-left:6px;font-size:.78rem}
    .chapters .mode-row{margin:0;gap:6px}
    .chapters .mode-row button{flex:0 0 auto !important;white-space:nowrap;padding:7px 12px}
    .chapters .line-list{flex-direction:row;flex-wrap:wrap;flex:1 1 100%;gap:8px;margin:0;padding:0;border-left:none;overflow:visible}
    .chapters .line-btn{flex:0 0 auto;white-space:nowrap;padding:8px 12px;font-size:.84rem;align-items:center}
    .chapters .line-btn .ln-idx{margin-top:0}
    .chapters .line-btn .ln-hint{display:none}

    /* удобные мишени для пальца, без серой подсветки тапа */
    button{padding:10px 14px}
    *{-webkit-tap-highlight-color:transparent}
    input,textarea,select{font-size:16px}
    .promo-box{padding:16px}
    .promo-row{gap:8px}
    .promo-row button{padding:10px 12px;font-size:1.5rem}

    footer{padding:20px 0;font-size:.8rem;margin-top:28px}
    /* кабинеты (перекрываем их страничные <style>) */
    .wrap .login-box{margin:28px auto;padding:22px}
    .wrap .admin-box{margin:24px auto;padding:20px}
  }

  @media(max-width:600px){
    .grid{grid-template-columns:1fr}
    .hero h1{font-size:1.4rem}
    .card{padding:16px}
    .line-btn{padding:9px 11px;font-size:.86rem}
    .chapter-btn{padding:11px 13px;font-size:.92rem}
    .stat b{font-size:1.15rem}
  }

  /* ============ ТРЕК «МОЙ ПУТЬ» ============ */
  .track-current{padding:28px;margin-bottom:34px}
  .track-current-head{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}
  .track-current-head h2{font-size:1.7rem;color:var(--brand-dark);margin:2px 0 6px}
  .track-icon{font-size:2.6rem;line-height:1;color:var(--brand);flex:0 0 auto}
  .track-skills{color:var(--muted);font-size:.94rem;margin:0;max-width:560px}
  .track-pct{margin-left:auto;text-align:center;background:var(--brand-soft);border-radius:14px;padding:10px 20px;flex:0 0 auto}
  .track-pct b{display:block;font-size:1.6rem;color:var(--brand-dark)}
  .track-pct span{color:var(--muted);font-size:.78rem}
  .bar-lg{height:12px}
  .track-next{background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:14px 18px;margin:18px 0}
  .track-next h3{color:var(--brand-dark);font-size:1.12rem;margin:4px 0 4px}
  .track-next p{color:var(--muted);font-size:.92rem;margin:0 0 10px}
  .track-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:8px}
  .track-step{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff}
  .track-step.next{border-color:var(--brand);box-shadow:0 2px 8px rgba(42,99,156,.15)}
  .track-step.ok{border-color:var(--good);background:#f2f9f4}
  .track-step-head{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:.9rem}
  .track-step-no{width:22px;height:22px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);font-size:.78rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
  .track-step.ok .track-step-no{background:var(--good);color:#fff}
  .track-step-head b{flex:1;min-width:0}
  .track-step-val{color:var(--muted);font-size:.8rem;white-space:nowrap}
  .track-step .bar{height:7px;background:var(--line);border-radius:7px;overflow:hidden;margin:0 0 8px}
  .track-step .bar i{display:block;height:100%;background:var(--good);border-radius:7px}
  .track-go{display:inline-block;font-size:.84rem;font-weight:600;color:var(--brand-dark);text-decoration:none;border:1px solid var(--brand);border-radius:8px;padding:4px 12px;transition:.15s}
  .track-go:hover{background:var(--brand);color:#fff;text-decoration:none}
  .track-go.solid{background:var(--brand);color:#fff;padding:8px 20px;border-radius:9px}
  .track-go.solid:hover{background:var(--brand-dark)}
  #levelLadder{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
  .track-level{cursor:default}
  .track-level.locked{opacity:.62}
  .track-level.current{border-color:var(--brand);box-shadow:0 4px 14px rgba(42,99,156,.18)}
  .track-level.done{border-color:#bfe0cb}
  .track-level-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
  .track-level-head .track-icon{font-size:1.7rem}
  .track-level-head h3{font-size:1.08rem;flex:1;margin:0}
  .track-state{font-size:.76rem;color:var(--muted);white-space:nowrap}
  .track-level.done .track-state{color:var(--good);font-weight:700}
  .track-level.current .track-state{color:var(--brand-dark);font-weight:700}
  .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
  .chip{font-size:.74rem;background:#f2f6fa;border:1px solid var(--line);border-radius:16px;padding:2px 10px;color:var(--muted)}
  .track-level .bar{height:7px;background:var(--line);border-radius:7px;overflow:hidden;margin-top:10px}
  .track-level .bar i{display:block;height:100%;background:var(--good);border-radius:7px}
  @media(max-width:768px){
    .track-current{padding:18px}
    .track-current-head h2{font-size:1.35rem}
    .track-icon{font-size:2rem}
    .track-pct{padding:8px 14px;margin-left:0}
    .track-pct b{font-size:1.2rem}
    .track-steps{grid-template-columns:1fr}
  }

  /* ============ ПОВТОРЕНИЕ И СЛАБЫЕ ТЕМЫ ============ */
  .rep-block{max-width:760px;margin:0 auto 22px;background:#fff8ec;border:2px solid #ecd9ae;border-radius:16px;padding:16px 20px}
  .rep-head{color:#8a6a1f;font-weight:700;font-size:1.02rem}
  .rep-note{color:var(--muted);font-size:.82rem;margin:4px 0 10px}
  #repList{display:flex;flex-direction:column;gap:8px}
  .rep-item{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;border:1px solid #e3d2a8;background:#fff;border-radius:10px;padding:9px 14px;cursor:pointer;transition:.15s;width:100%}
  .rep-item:hover{border-color:var(--brand)}
  .rep-item b{font-size:.92rem;color:var(--text)}
  .rep-item span{font-size:.78rem;color:var(--muted)}
  .weak-topic{margin-bottom:14px}
  .weak-topic .wt-head{display:flex;justify-content:space-between;font-size:.9rem;margin-bottom:4px}
  .weak-topic .wt-head b{font-weight:600}
  .weak-topic .wt-head span{color:var(--muted);font-size:.8rem}
  .weak-topic .bar{height:9px;background:var(--line);border-radius:9px;overflow:hidden}
  .weak-topic .bar i{display:block;height:100%;background:var(--bad);border-radius:9px}
  .weak-empty{color:var(--muted);font-size:.92rem}

  /* ============ ГЕЙМИФИКАЦИЯ: ДОСТИЖЕНИЯ, ЗАДАЧА ДНЯ ============ */
  .pod-card{display:flex;align-items:center;gap:18px;flex-wrap:wrap;cursor:default;margin-bottom:0}
  .pod-right{display:flex;align-items:center;gap:14px;margin-left:auto}
  .ach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;max-width:1100px}
  .ach-item{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding:20px 14px}
  .ach-item .ach-icon{font-size:2.2rem;line-height:1}
  .ach-item b{font-size:.98rem}
  .ach-desc{color:var(--muted);font-size:.8rem;line-height:1.4}
  .ach-lock{color:#b08c3d;font-size:.74rem;font-weight:600}
  .ach-item.earned{border-color:#e0c26a;background:linear-gradient(160deg,#fffdf5,#fdf6e3)}
  .ach-item:not(.earned){opacity:.72}
  @media(max-width:768px){
    .pod-right{margin-left:0;width:100%;justify-content:space-between}
    .ach-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
  }
/* ============ ТЁМНАЯ ТЕМА (переключатель — кнопка в шапке, theme.js) ============ */
  html[data-theme="dark"]{
    --bg:#141a21; --bg2:#1a222b; --card:#1e2630; --line:#35424f;
    --brand:#5b9bd9; --brand-dark:#a9c8e8; --brand-soft:#22303e;
    --text:#e4eaf0; --muted:#94a4b2;
    --good:#4cc381; --bad:#e57368; --warn:#e0b83c;
    --hl:rgba(91,155,217,.45);
  }
  html[data-theme="dark"] body{background:var(--bg);color:var(--text)}
  html[data-theme="dark"] header{background:linear-gradient(90deg,#16283d,#234a73);border-bottom-color:#16283d}

  /* элементы с белым фоном в стилях выше */
  html[data-theme="dark"] button{background:#26303c;color:var(--text);border-color:#4a5f78}
  html[data-theme="dark"] button:hover{background:var(--brand);color:#fff}
  html[data-theme="dark"] button.ghost{border-color:var(--line);color:var(--muted)}
  html[data-theme="dark"] button.ghost:hover{background:#2a3542;color:var(--text)}
  html[data-theme="dark"] button.sel{background:var(--brand);color:#fff}
  html[data-theme="dark"] .modal,
  html[data-theme="dark"] .picker,
  html[data-theme="dark"] .chapter-btn,
  html[data-theme="dark"] .line-btn,
  html[data-theme="dark"] .open-panel,
  html[data-theme="dark"] .track-step,
  html[data-theme="dark"] .rep-item,
  html[data-theme="dark"] .course-card,
  html[data-theme="dark"] .book-card{background:var(--card);color:var(--text)}
  html[data-theme="dark"] .chapter-btn.sel,
  html[data-theme="dark"] .track-pct,
  html[data-theme="dark"] .track-next,
  html[data-theme="dark"] .hint-box,
  html[data-theme="dark"] .comment-view{background:var(--brand-soft)}
  html[data-theme="dark"] .track-step.ok{background:#17281f}
  html[data-theme="dark"] .line-btn.sel{background:var(--brand);color:#fff}
  html[data-theme="dark"] .line-btn.danger{background:#3a2226}
  html[data-theme="dark"] .line-btn.dubious{background:#38301d}
  html[data-theme="dark"] .rep-block{background:#2c2718;border-color:#5c4d22}
  html[data-theme="dark"] .rep-head{color:#e3c46b}
  html[data-theme="dark"] .rep-item{background:#241f12;border-color:#5c4d22}
  html[data-theme="dark"] .movetext{background:#1a212a;border-color:var(--line)}
  html[data-theme="dark"] .chip{background:#222c38;border-color:var(--line)}
  html[data-theme="dark"] .ach-item.earned{background:linear-gradient(160deg,#2c2616,#242012);border-color:#8a6a1f}
  html[data-theme="dark"] .ach-lock{color:#c9a44f}
  html[data-theme="dark"] .badge-lv{background:#342c15;color:#e3c46b}
  html[data-theme="dark"] .badge-topic{background:#17301f;color:#6fcf97}
  html[data-theme="dark"] .track-go{color:var(--brand-dark);border-color:#4a5f78}
  html[data-theme="dark"] .track-go:hover{background:var(--brand);color:#fff}
  html[data-theme="dark"] .track-go.solid{background:var(--brand);color:#fff}

  /* поля ввода, таблицы, кабинеты */
  html[data-theme="dark"] input,
  html[data-theme="dark"] textarea,
  html[data-theme="dark"] select{background:#161d26;color:var(--text);border-color:#4a5f78 !important}
  html[data-theme="dark"] input::placeholder,
  html[data-theme="dark"] textarea::placeholder{color:#5f7183}
  html[data-theme="dark"] td,html[data-theme="dark"] th{border-bottom-color:#2a3542 !important}
  html[data-theme="dark"] .login-box,
  html[data-theme="dark"] .admin-box,
  html[data-theme="dark"] .promo-box,
  html[data-theme="dark"] .apc-nick{background:var(--card);color:var(--text);border:1px solid var(--line)}
  html[data-theme="dark"] .login-box .sub{color:var(--muted)}
  html[data-theme="dark"] .apc-nick h2,
  html[data-theme="dark"] .admin-box h1{color:var(--text)}

  /* прочее */
  html[data-theme="dark"] .card:hover{box-shadow:0 4px 14px rgba(0,0,0,.4)}
  html[data-theme="dark"] .stat,
  html[data-theme="dark"] .card{box-shadow:0 1px 3px rgba(0,0,0,.35)}
  html[data-theme="dark"] .picker-bg{backdrop-filter:blur(3px)}
  html[data-theme="dark"] .track-level.done{border-color:#2c5c40}
  html[data-theme="dark"] .chapters::-webkit-scrollbar-thumb{background:#3a4a5a}
/* акцентные кнопки кабинетов остаются золотыми */
  html[data-theme="dark"] .login-box button,
  html[data-theme="dark"] .admin-box button,
  html[data-theme="dark"] .apc-userbar button,
  html[data-theme="dark"] .about-cta{background:#e0a94b;color:#1b1408;border:0}
  html[data-theme="dark"] .login-box button:hover,
  html[data-theme="dark"] .admin-box button:hover,
  html[data-theme="dark"] .about-cta:hover{background:#f0c070;color:#1b1408}
  html[data-theme="dark"] .about-cta.ghost-cta{background:transparent;border:2px solid #e0a94b;color:#e0a94b}

/* ============ КУРС «ПУТЬ К 1200», ИССЛЕДОВАНИЕ, ДНЕВНИК ============ */
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;margin-top:6px}
.tbl th{text-align:left;color:var(--muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.5px;padding:6px 8px;border-bottom:2px solid var(--line)}
.tbl td{padding:8px;border-bottom:1px solid var(--line);vertical-align:top}
.target-chip{display:inline-block;font-size:.78rem;font-weight:600;color:var(--brand-dark);background:var(--brand-soft);border-radius:14px;padding:2px 10px;vertical-align:middle}
.fig{margin:16px 0;text-align:center}
.fig img{max-width:100%;border:1px solid var(--line);border-radius:12px}
.fig figcaption{color:var(--muted);font-size:.82rem;margin-top:6px}
.diary-form label{display:block;font-weight:600;font-size:.9rem;margin-top:10px}
.diary-form select,.diary-form textarea{width:100%;margin-top:4px;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit;font-size:.92rem;background:var(--bg2,#fff);color:var(--text);box-sizing:border-box}
.df-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.df-actions{display:flex;align-items:center;gap:16px;margin-top:14px;flex-wrap:wrap}
.diary-shield{color:var(--muted);font-size:.9rem}
.diary-entry{border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-top:10px}
.diary-head{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.diary-head span{color:var(--muted);font-size:.84rem}
.diary-q{font-size:.9rem;margin-top:4px}
html[data-theme="dark"] .fig img{border-color:var(--line)}

/* ============ НОВАЯ НАВИГАЦИЯ: 4 РАЗДЕЛА + ПОДВКЛАДКИ ============ */
.main-nav{display:flex;align-items:center;gap:22px;flex:1;min-width:0}
.main-nav a{color:#dce9f5;text-decoration:none;font-size:.98rem;transition:.2s;padding:6px 2px;white-space:nowrap}
.main-nav a:hover{color:#fff}
.main-nav a.active{color:#fff;border-bottom:2px solid #fff}

/* подвкладки раздела (Учёба / Тренировка) */
.subnav-bar{position:sticky;top:66px;z-index:9;background:var(--bg2);border-bottom:1px solid var(--line);box-shadow:0 1px 3px rgba(31,45,58,.05)}
.subnav{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-top:8px;padding-bottom:8px}
.subnav::-webkit-scrollbar{display:none}
.subnav a{flex:0 0 auto;text-decoration:none;color:var(--muted);font-size:.92rem;font-weight:600;padding:7px 16px;border-radius:20px;transition:.15s;white-space:nowrap}
.subnav a:hover{color:var(--brand-dark);background:var(--brand-soft)}
.subnav a.active{color:#fff;background:var(--brand)}

/* нижняя навигация — только мобильная */
.bottom-nav{display:none}

/* ссылки в футере */
footer a{color:var(--muted);text-decoration:none;border-bottom:1px dotted var(--muted)}
footer a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}

/* ============ ИЕРАРХИЯ КНОПОК ============ */
/* главное действие на экране — одно, залитое */
button.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}
button.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
button.btn-primary:disabled{opacity:.55;cursor:default}
/* тулбар иконочных кнопок (навигация по ходам и т.п.) */
.toolbar{display:inline-flex;gap:4px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:3px}
.toolbar .tb-btn{border:0;background:transparent;color:var(--muted);min-width:38px;padding:6px 9px;font-size:.95rem;border-radius:8px;line-height:1}
.toolbar .tb-btn:hover{background:var(--brand-soft);color:var(--brand-dark)}
/* сегмент-переключатель режимов (вкладки вместо россыпи кнопок) */
.seg{display:inline-flex;gap:2px;background:var(--brand-soft);border-radius:12px;padding:3px}
.seg button{border:0;background:transparent;color:var(--brand-dark);border-radius:9px;padding:7px 16px;font-weight:600}
.seg button:hover{background:rgba(255,255,255,.55);color:var(--brand-dark)}
.seg button.sel,.seg button.solid{background:#fff;color:var(--brand-dark);box-shadow:0 1px 4px rgba(31,45,58,.18)}

/* ============ ГЛАВНАЯ: КОМПАКТНАЯ СТАТИСТИКА ============ */
.stats-strip{display:flex;justify-content:center;gap:8px 34px;flex-wrap:wrap;padding:0 0 34px;color:var(--muted);font-size:.94rem}
.stats-strip b{color:var(--brand);font-size:1.05rem;margin-right:4px}
.stats-strip span{white-space:nowrap}

/* тёмная тема для новых элементов */
html[data-theme="dark"] .subnav-bar{background:var(--bg2);border-bottom-color:var(--line)}
html[data-theme="dark"] .subnav a:hover{background:var(--brand-soft)}
html[data-theme="dark"] .toolbar{background:var(--card);border-color:var(--line)}
html[data-theme="dark"] .toolbar .tb-btn{color:var(--muted)}
html[data-theme="dark"] .toolbar .tb-btn:hover{background:var(--brand-soft);color:var(--text)}
html[data-theme="dark"] .seg{background:var(--brand-soft)}
html[data-theme="dark"] .seg button:hover{background:rgba(255,255,255,.08)}
html[data-theme="dark"] .seg button.sel,html[data-theme="dark"] .seg button.solid{background:var(--card);color:var(--text)}
html[data-theme="dark"] button.btn-primary{background:var(--brand);color:#10202f;border-color:var(--brand)}
html[data-theme="dark"] button.btn-primary:hover{background:#7ab1e3}
html[data-theme="dark"] footer a:hover{color:var(--brand-dark)}
html[data-theme="dark"] .bottom-nav{background:var(--bg2);border-top-color:var(--line)}
html[data-theme="dark"] .bottom-nav a{color:var(--muted)}
html[data-theme="dark"] .bottom-nav a.active{color:var(--brand)}

/* ============ МОБИЛЬНАЯ НАВИГАЦИЯ ============ */
@media(max-width:768px){
  .main-nav{display:none} /* верхние ссылки уступают место нижней панели */
  .subnav-bar{top:56px}
  .bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:50;
    background:var(--bg2);border-top:1px solid var(--line);
    padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));
    box-shadow:0 -2px 10px rgba(31,45,58,.08)}
  .bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;
    text-decoration:none;color:var(--muted);font-size:.68rem;font-weight:600;padding:4px 0;border-radius:10px}
  .bottom-nav a .bn-ico{font-size:1.25rem;line-height:1}
  .bottom-nav a.active{color:var(--brand)}
  body{padding-bottom:64px}
}
/* Карта рангов открывается на странице прогресса; лидерборд остаётся живой таблицей. */
.rank-map-home-link{display:block;margin-top:14px;padding-top:13px;border-top:1px solid var(--line);font-weight:700;text-decoration:none;color:var(--brand)}
.rank-map-section{max-width:760px}
.rank-map-card{padding:0;overflow:hidden;cursor:default}
.rank-map-card summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 18px;color:var(--ink);user-select:none}
.rank-map-card summary::-webkit-details-marker{display:none}
.rank-map-card summary b,.rank-map-card summary small{display:block}
.rank-map-card summary small{margin-top:3px;color:var(--muted)}
.rank-map-open{font-weight:700;color:var(--brand);white-space:nowrap}
.rank-map-card[open] .rank-map-open{font-size:0}.rank-map-card[open] .rank-map-open:after{content:'Скрыть';font-size:1rem}
.rank-map-link{display:block;border-top:1px solid var(--line);background:#eaf5ff}
.rank-map-link img{display:block;width:100%;height:auto}
.rank-map-card .meta{padding:10px 18px 16px;margin:0}
@media(max-width:600px){
  .rank-map-card summary{padding:14px}
  .rank-map-card summary small{font-size:.78rem}
}

/* Живой лидерборд в фирменном стиле Apchess */
.apc-lb-kicker{margin:2px 0 10px;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-dark)}
.apc-lb-wrap{overflow-x:auto;border:1px solid #c7ddef;border-radius:14px;background:#f9fcff}
.apc-lb-table{width:100%;min-width:560px;border-collapse:separate;border-spacing:0;font-size:.94rem;color:var(--text)}
.apc-lb-table th{padding:12px 14px;background:linear-gradient(115deg,#2b77bc,#4697d9);color:#fff;text-align:left;font-size:.75rem;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}
.apc-lb-table th:first-child{border-radius:13px 0 0 0;text-align:center;width:54px}.apc-lb-table th:last-child{border-radius:0 13px 0 0}
.apc-lb-table td{padding:11px 14px;border-top:1px solid #dbe9f5;vertical-align:middle;background:#fff}
.apc-lb-table tr:first-child td{border-top:0}.apc-lb-table tr:last-child td:first-child{border-radius:0 0 0 13px}.apc-lb-table tr:last-child td:last-child{border-radius:0 0 13px 0}
.apc-lb-table tbody tr{transition:background .15s}.apc-lb-table tbody tr:hover td{background:#f0f8ff}
.apc-lb-table .apc-lb-top-1 td{background:linear-gradient(90deg,#fff8d8,#fffdf5)}
.apc-lb-table .apc-lb-top-2 td{background:linear-gradient(90deg,#eef6fd,#fff)}
.apc-lb-table .apc-lb-top-3 td{background:linear-gradient(90deg,#fff1e8,#fff)}
.apc-lb-place{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;border-radius:50%;font-weight:800;color:var(--brand-dark);background:#e6f1fa}
.apc-lb-place.place-1,.apc-lb-place.place-2,.apc-lb-place.place-3{background:transparent;font-size:1.25rem}
.apc-lb-name{font-weight:750;white-space:nowrap}.apc-lb-table small{display:block;margin-top:3px;color:var(--muted);font-size:.75rem;white-space:nowrap}
.apc-lb-level{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:28px;border-radius:15px;padding:0 9px;font-weight:800;color:#174e80;background:#ddecfa}
.apc-lb-level.start{color:#24724a;background:#dff5e8}.apc-lb-level.growth{color:#17649d;background:#dceeff}.apc-lb-level.master{color:#7a5111;background:#fff0c9}.apc-lb-level.elite{color:#6b3f94;background:#f0e0ff}
.apc-lb-solved{display:inline-block;color:#174e80;background:#eaf4fc;border-radius:999px;padding:5px 10px;min-width:38px;text-align:center}.apc-lb-xp{color:#8a651d}
.apc-lb-my-position{margin-top:18px}.apc-lb-my-label{margin:0 0 8px;text-align:center;font-size:.86rem;font-weight:800;color:var(--apc-navy)}.apc-lb-my-wrap{border-color:#9bd5b5;background:#eefaf3}.apc-lb-my-wrap .apc-lb-table{min-width:560px}.apc-lb-my-wrap .apc-lb-table td{background:#e4f6ed;border-top:0}.apc-lb-table .apc-lb-me td{box-shadow:inset 0 1px 0 rgba(22,134,90,.06),inset 0 -1px 0 rgba(22,134,90,.06)}.apc-lb-table .apc-lb-me .apc-lb-name{color:#0e6b48}.apc-lb-my-wrap .apc-lb-place{background:#ccebdc;color:#0e6b48}
html[data-theme="dark"] .apc-lb-wrap{background:#182433;border-color:#36536d}html[data-theme="dark"] .apc-lb-my-label{color:#d7ecff}html[data-theme="dark"] .apc-lb-my-wrap{background:#173329;border-color:#2e7b5b}html[data-theme="dark"] .apc-lb-my-wrap .apc-lb-table td{background:#173329}html[data-theme="dark"] .apc-lb-table td{background:#1d2b3b;border-color:#36536d}html[data-theme="dark"] .apc-lb-table tbody tr:hover td{background:#23384d}html[data-theme="dark"] .apc-lb-table .apc-lb-top-1 td{background:#41371f}html[data-theme="dark"] .apc-lb-table .apc-lb-top-2 td{background:#20364a}html[data-theme="dark"] .apc-lb-table .apc-lb-top-3 td{background:#463126}
@media(max-width:600px){.apc-lb-wrap{margin:0 -4px}.apc-lb-table{font-size:.88rem;min-width:510px}.apc-lb-table th,.apc-lb-table td{padding:10px 9px}.apc-lb-table th:nth-child(2){min-width:138px}.apc-lb-table small{font-size:.7rem}}
/* ========================================================================
   APCHESS DESIGN FOUNDATION — stage 1
   Tokens map legacy variables, so working training features keep their data.
   ======================================================================== */
:root{
  --apc-navy:#0d315b;--apc-navy-2:#103d70;--apc-blue:#1769b0;--apc-blue-strong:#075aa4;--apc-blue-soft:#e8f3fc;--apc-sky:#b9e1fb;
  --apc-gold:#f3b33d;--apc-gold-deep:#b86a08;--apc-gold-soft:#fff4d9;--apc-bg:#f4f8fc;--apc-surface:#fff;--apc-surface-alt:#edf4fa;
  --apc-ink:#10243d;--apc-muted:#60748a;--apc-line:#d8e4f0;--apc-success:#16865a;--apc-success-soft:#e4f6ed;--apc-warning:#d58510;--apc-error:#c73e45;--apc-focus:rgba(23,105,176,.34);
  --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;
  --radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:26px;--radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,36,61,.06),0 3px 10px rgba(16,36,61,.04);--shadow-2:0 12px 30px rgba(16,49,91,.10);--shadow-3:0 20px 50px rgba(16,49,91,.16);
  --font-sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --bg:var(--apc-bg);--bg2:var(--apc-surface);--card:var(--apc-surface);--line:var(--apc-line);--brand:var(--apc-blue);--brand-dark:var(--apc-navy);--brand-soft:var(--apc-blue-soft);--text:var(--apc-ink);--muted:var(--apc-muted);--good:var(--apc-success);--bad:var(--apc-error);--warn:var(--apc-warning);
}
*{scroll-margin-top:92px}
body{font-family:var(--font-sans);background:var(--apc-bg);letter-spacing:-.01em}
body:before{content:"";position:fixed;z-index:-1;inset:0;background:radial-gradient(circle at 92% -5%,rgba(185,225,251,.52),transparent 31rem),linear-gradient(180deg,#f8fbfe 0,var(--apc-bg) 430px);pointer-events:none}
.wrap{max-width:1620px;padding-left:clamp(16px,3vw,32px);padding-right:clamp(16px,3vw,32px)}
a{color:var(--apc-blue-strong)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--apc-focus);outline-offset:3px}
header{background:rgba(13,49,91,.97);border-bottom:1px solid rgba(185,225,251,.22);box-shadow:0 4px 20px rgba(6,29,56,.16);backdrop-filter:blur(12px)}
.nav{height:72px;gap:clamp(14px,2.4vw,32px)}
.logo{font-size:1.04rem;font-weight:800;letter-spacing:.08em;padding:4px 6px}.logo-img{width:42px;height:42px;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,.2)}
.main-nav{align-self:stretch;display:flex;align-items:stretch;gap:5px}.nav .main-nav a{display:flex;align-items:center;color:#dcecff;font-size:.91rem;font-weight:700;letter-spacing:.01em;padding:0 12px;border-bottom:3px solid transparent}.nav .main-nav a:hover{background:rgba(255,255,255,.08);color:#fff}.nav .main-nav a.active{border-bottom-color:var(--apc-gold);color:#fff}
.nav .apc-userbar{margin-left:auto!important;gap:8px!important}.nav .apc-userbar .apc-username{max-width:180px!important}.nav .apc-userbar button{border-color:rgba(255,255,255,.25)!important;color:#fff!important;background:rgba(255,255,255,.08)!important}.nav .apc-userbar button:hover{background:rgba(255,255,255,.17)!important}.nav .apc-login{margin-left:auto!important;background:var(--apc-gold)!important;border:0!important;color:var(--apc-navy)!important;border-radius:var(--radius-sm)!important;padding:9px 14px!important;font-weight:800!important}
section{padding:var(--space-12) 0}.card{border-radius:var(--radius-lg);border-color:var(--apc-line);box-shadow:var(--shadow-1);padding:var(--space-6);cursor:default}.card:hover{border-color:#9bc8eb;box-shadow:var(--shadow-2)}.card-link{cursor:pointer}.card-link:hover{transform:translateY(-3px)}
.badge{margin:0;border-radius:var(--radius-pill);padding:4px 10px;font-size:.68rem;font-weight:800;letter-spacing:.08em;color:var(--apc-blue-strong);background:var(--apc-blue-soft)}
button,.button,.track-go{border-radius:var(--radius-sm);font-family:var(--font-sans);font-weight:800;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;text-decoration:none}.button--primary{background:var(--apc-gold);border:1px solid var(--apc-gold);color:var(--apc-navy);box-shadow:0 5px 0 var(--apc-gold-deep)}.button--primary:hover{background:#ffc95a;color:var(--apc-navy);transform:translateY(-2px);box-shadow:0 7px 0 var(--apc-gold-deep)}.button--primary:active{transform:translateY(2px);box-shadow:0 3px 0 var(--apc-gold-deep)}
input,select,textarea{border-radius:var(--radius-sm);border-color:#b8cadb;background:var(--apc-surface);font-family:var(--font-sans)}
footer{margin-top:var(--space-16);padding:32px 0;background:rgba(13,49,91,.04)}
/* Home: status, one action, learning route, then a compact leaderboard. */
.home-page{padding-bottom:var(--space-12)}.home-intro{padding:clamp(32px,5vw,68px) 0 var(--space-5)}.home-intro>div{max-width:740px}.eyebrow{margin:0 0 var(--space-2);font-size:.72rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase;color:var(--apc-blue-strong)}.eyebrow--light{color:#b9e1fb}.home-intro h1{margin:0;color:var(--apc-navy);font-size:clamp(2rem,4.2vw,3.5rem);line-height:1.05;letter-spacing:-.045em}.home-intro p:not(.eyebrow){max-width:660px;margin:var(--space-4) 0 0;color:var(--apc-muted);font-size:clamp(1rem,1.5vw,1.12rem)}
.status-deck{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(160px,.8fr) minmax(270px,1.45fr) minmax(190px,1fr);gap:clamp(20px,3vw,40px);align-items:center;overflow:hidden;margin:0;padding:clamp(24px,4vw,42px);color:#fff;border:1px solid rgba(185,225,251,.35);border-radius:var(--radius-xl);background:linear-gradient(125deg,var(--apc-navy) 0%,#0e4f8e 58%,#1979c2 100%);box-shadow:var(--shadow-3);animation:apc-deck-in .55s cubic-bezier(.2,.8,.2,1) both}.status-deck:before{content:"";position:absolute;z-index:-1;width:430px;height:430px;right:-120px;top:-240px;border:48px solid rgba(185,225,251,.14);border-radius:50%}.status-deck:after{content:"";position:absolute;z-index:-1;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.08),transparent 38%);pointer-events:none}.status-deck__level{display:flex;align-items:baseline;gap:9px}.status-deck__level strong{font-size:clamp(3.1rem,5.8vw,5rem);line-height:.9;letter-spacing:-.07em}.status-deck__level span{font-size:.9rem;color:#d9ecfc;font-weight:700}.status-deck__rank{margin:var(--space-3) 0 0;font-size:1.12rem;font-weight:800}.status-deck__xp{min-width:0;padding:0 clamp(0px,2vw,22px);border-left:1px solid rgba(255,255,255,.22);border-right:1px solid rgba(255,255,255,.22)}.status-deck__xp-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:.84rem;color:#d9ecfc}.status-deck__xp-head strong{font-size:1.35rem;color:#fff}.home-progress{height:13px;overflow:hidden;margin:var(--space-3) 0 var(--space-2);border-radius:var(--radius-pill);background:rgba(1,25,54,.35);box-shadow:inset 0 1px 2px rgba(0,0,0,.25)}.home-progress i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#f8c852,#fff0a7);box-shadow:0 0 14px rgba(255,237,151,.55);transition:width .7s cubic-bezier(.2,.8,.2,1)}.status-deck__xp p{margin:0;color:#d9ecfc;font-size:.82rem}.status-deck__goal{display:grid;gap:5px;max-width:210px}.status-deck__goal-label{font-size:.72rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase;color:#b9e1fb}.status-deck__goal strong{font-size:1rem;line-height:1.3}.status-deck__goal span:last-child{font-size:.81rem;line-height:1.35;color:#d9ecfc}.status-deck__mascot{position:absolute;right:-8px;bottom:-27px;width:clamp(108px,13vw,180px);filter:drop-shadow(0 16px 14px rgba(2,25,53,.28));transform-origin:70% 80%;animation:apc-mascot-idle 4s ease-in-out infinite;pointer-events:none}
.home-first-steps{margin:var(--space-5) 0 0;padding:12px 14px;color:var(--apc-navy);font-size:.9rem;font-weight:700;background:var(--apc-gold-soft);border-left:4px solid var(--apc-gold);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.home-next{padding-bottom:var(--space-5)}.home-section-heading{display:flex;justify-content:space-between;align-items:end;gap:var(--space-4);margin-bottom:var(--space-5)}.home-section-heading h2{margin:0;color:var(--apc-navy);font-size:clamp(1.35rem,2.2vw,1.8rem);letter-spacing:-.03em}.text-link{font-size:.9rem;font-weight:800;text-decoration:none;white-space:nowrap}.text-link:hover{text-decoration:underline}.home-primary-action{display:flex;align-items:center;justify-content:space-between;gap:var(--space-6);padding:clamp(22px,3vw,32px);border:1px solid #a8d2ef;border-radius:var(--radius-xl);background:linear-gradient(110deg,#fff 0%,#f1f8fd 100%);box-shadow:var(--shadow-1)}.badge--gold{color:var(--apc-gold-deep);background:var(--apc-gold-soft)}.home-primary-action h3{margin:10px 0 5px;color:var(--apc-navy);font-size:clamp(1.25rem,2.4vw,1.75rem);letter-spacing:-.03em}.home-primary-action p{margin:0;color:var(--apc-muted);font-size:.92rem;max-width:700px}.home-primary-action__cta{display:flex;flex:0 0 auto;align-items:center;gap:var(--space-4)}.action-state{font-size:.84rem;font-weight:750;color:var(--apc-muted);white-space:nowrap}.action-state--done{color:var(--apc-success)}.home-homework{margin-top:var(--space-4);padding:var(--space-5) var(--space-6);border:1px solid var(--apc-line);border-radius:var(--radius-lg);background:var(--apc-surface);box-shadow:var(--shadow-1)}.home-homework__title{display:flex;justify-content:space-between;align-items:center;gap:var(--space-3)}.home-homework__hint{font-size:.82rem;color:var(--apc-muted)}.homework-item{margin-top:var(--space-3)}.homework-item__head{display:flex;justify-content:space-between;gap:12px;align-items:baseline}.homework-item__due{font-size:.82rem;color:var(--apc-muted);white-space:nowrap}.homework-item__due.is-urgent{color:var(--apc-error);font-weight:800}.homework-progress{height:8px;overflow:hidden;margin:10px 0 5px;border-radius:var(--radius-pill);background:#e2edf6}.homework-progress i{display:block;height:100%;border-radius:inherit;background:var(--apc-success);transition:width .5s ease}.homework-item__meta{font-size:.82rem;color:var(--apc-muted)}
.home-learning{padding-bottom:var(--space-5)}.home-learning-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4)}.home-route-card{position:relative;display:flex;min-height:190px;flex-direction:column;align-items:flex-start;padding:var(--space-6);overflow:hidden;color:var(--apc-ink);text-decoration:none;border:1px solid var(--apc-line);border-radius:var(--radius-lg);background:var(--apc-surface);box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.home-route-card:hover{transform:translateY(-4px);border-color:#8cc5ed;box-shadow:var(--shadow-2)}.home-route-card--puzzles{color:#fff;border-color:var(--apc-navy);background:linear-gradient(135deg,var(--apc-navy),var(--apc-blue))}.home-route-card--puzzles:after{content:"";position:absolute;right:-35px;bottom:-65px;width:165px;height:165px;border:28px solid rgba(185,225,251,.22);border-radius:50%}.home-route-card__index{font-size:.72rem;font-weight:900;letter-spacing:.11em;color:var(--apc-blue-strong)}.home-route-card--puzzles .home-route-card__index{color:#b9e1fb}.home-route-card h3{margin:var(--space-4) 0 var(--space-1);font-size:1.22rem}.home-route-card p{margin:0;color:var(--apc-muted);font-size:.88rem}.home-route-card p b{color:inherit}.home-route-card--puzzles p{color:#d9ecfc}.home-route-card>span:last-child{margin-top:auto;font-size:.88rem;font-weight:850}.home-route-card>span:last-child i{margin-left:4px;font-style:normal;transition:transform .18s ease}.home-route-card:hover>span:last-child i{display:inline-block;transform:translateX(4px)}
.home-leaderboard{padding-top:var(--space-10)}.home-leaderboard__table{overflow:auto;border:1px solid var(--apc-line);border-radius:var(--radius-lg);background:var(--apc-surface);box-shadow:var(--shadow-1)}.home-leaderboard-table{width:100%;min-width:560px;border-collapse:collapse}.home-leaderboard-table th{padding:12px 16px;color:var(--apc-muted);font-size:.68rem;font-weight:850;letter-spacing:.1em;text-align:left;text-transform:uppercase;background:#f7fafc}.home-leaderboard-table td{padding:14px 16px;border-top:1px solid var(--apc-line);font-size:.93rem}.home-leaderboard-table tr.is-top{background:linear-gradient(90deg,rgba(243,179,61,.13),transparent 62%)}.leader-place{display:inline-grid;width:26px;height:26px;place-items:center;border-radius:50%;font-weight:900;color:var(--apc-navy);background:#e8f1f8}.is-top-1 .leader-place{color:#684600;background:var(--apc-gold)}.is-top-2 .leader-place{background:#d9e2eb}.is-top-3 .leader-place{color:#6e3c18;background:#e6b181}.leader-name{max-width:360px;overflow:hidden;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.home-leaderboard-table small{display:block;margin-top:2px;color:var(--apc-muted);font-size:.76rem}.home-leaderboard__note{margin:var(--space-3) 0 0;color:var(--apc-muted);font-size:.78rem}.home-empty-state{display:grid;gap:4px;padding:var(--space-6);color:var(--apc-muted);border:1px dashed #b8cadb;border-radius:var(--radius-lg);background:var(--apc-surface)}.home-empty-state b{color:var(--apc-ink)}
@keyframes apc-deck-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes apc-mascot-idle{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-5px) rotate(-1deg)}}
@media(max-width:900px){.status-deck{grid-template-columns:155px 1fr;padding-right:140px}.status-deck__goal{grid-column:1/-1;max-width:none;padding-top:var(--space-4);border-top:1px solid rgba(255,255,255,.22)}.status-deck__mascot{right:-20px;bottom:-12px}}
@media(max-width:700px){.nav{height:64px}.logo{font-size:.95rem}.logo-img{width:36px;height:36px}.main-nav{display:none}.nav .apc-userbar{margin-left:auto!important}.nav .apc-userbar .apc-username{display:none!important}.nav .apc-login{font-size:.82rem!important;padding:8px 11px!important}.home-intro{padding-top:var(--space-8)}.status-deck{grid-template-columns:1fr;padding:var(--space-6);padding-right:120px;gap:var(--space-5)}.status-deck__xp{padding:0;border:0}.status-deck__goal{grid-column:auto;padding-top:var(--space-4)}.status-deck__mascot{width:112px;right:-14px;bottom:-18px}.home-primary-action{align-items:flex-start;flex-direction:column}.home-primary-action__cta{width:100%;justify-content:space-between}.home-learning-grid{grid-template-columns:1fr}.home-route-card{min-height:148px}.home-route-card h3{margin-top:var(--space-3)}.home-section-heading{align-items:flex-end}.homework-item__head{align-items:flex-start;flex-direction:column}.homework-item__due{white-space:normal}.bottom-nav{background:rgba(13,49,91,.96);border-top-color:rgba(185,225,251,.2);box-shadow:0 -5px 20px rgba(6,29,56,.14)}.bottom-nav a{color:#cce5f9}.bottom-nav a.active{color:#fff}.bottom-nav a.active:after{background:var(--apc-gold)}}
@media(max-width:380px){.wrap{padding-left:14px;padding-right:14px}.home-intro h1{font-size:2rem}.status-deck{padding:20px;padding-right:86px}.status-deck__mascot{width:90px}.home-primary-action__cta{align-items:flex-start;flex-direction:column}.home-primary-action__cta .button{width:100%}.home-homework{padding:var(--space-4)}.home-section-heading .text-link{font-size:.8rem}.home-leaderboard-table th,.home-leaderboard-table td{padding-left:12px;padding-right:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.status-deck__mascot{animation:none}}
html[data-theme="dark"]{--apc-bg:#0c1623;--apc-surface:#132236;--apc-surface-alt:#182b42;--apc-ink:#edf6ff;--apc-muted:#abc0d3;--apc-line:#29445e;--apc-blue-soft:#173a5d;--apc-gold-soft:#3b2d10;--bg:var(--apc-bg);--bg2:var(--apc-surface);--card:var(--apc-surface);--line:var(--apc-line);--text:var(--apc-ink);--muted:var(--apc-muted);--brand-soft:var(--apc-blue-soft)}html[data-theme="dark"] body:before{background:radial-gradient(circle at 92% -5%,rgba(21,96,155,.25),transparent 31rem),var(--apc-bg)}html[data-theme="dark"] .home-intro h1,html[data-theme="dark"] .home-section-heading h2{color:#f2f8ff}html[data-theme="dark"] .home-primary-action{border-color:#2b5c82;background:linear-gradient(110deg,#132236,#182b42)}html[data-theme="dark"] .home-homework,html[data-theme="dark"] .home-route-card,html[data-theme="dark"] .home-leaderboard__table{background:var(--apc-surface);border-color:var(--apc-line)}html[data-theme="dark"] .home-route-card--puzzles{background:linear-gradient(135deg,#0d315b,#1769b0)}html[data-theme="dark"] .home-leaderboard-table th{background:#182b42}html[data-theme="dark"] .home-leaderboard-table tr.is-top{background:linear-gradient(90deg,rgba(243,179,61,.13),transparent 62%)}html[data-theme="dark"] .leader-place{color:#eff8ff;background:#26445f}html[data-theme="dark"] .home-empty-state{background:var(--apc-surface);border-color:#45637e}
/* APCHESS rollout — shared page surfaces and progress centre */
.home-intro{padding-top:clamp(22px,3vw,40px);padding-bottom:var(--space-3)}.home-intro h1{font-size:clamp(1.75rem,3.25vw,2.8rem)}.status-deck{grid-template-columns:minmax(172px,.85fr) minmax(320px,1.55fr) minmax(230px,1fr);padding-block:clamp(28px,3.4vw,38px);border-width:1px}.status-deck__level strong{font-size:clamp(3.5rem,6vw,5.25rem)}.status-deck__rank{font-size:1.28rem}.status-deck__xp-head{font-size:.95rem}.status-deck__xp-head strong{font-size:1.55rem}.status-deck__xp p,.status-deck__goal span:last-child{font-size:.9rem}.status-deck__goal{max-width:260px;gap:8px}.status-deck__goal strong{font-size:1.12rem}.status-deck__mascot{right:-24px;width:clamp(104px,12vw,168px)}.nav:after{content:"";align-self:center;width:7px;height:7px;margin-left:-20px;border-radius:50%;background:var(--apc-gold);box-shadow:0 0 0 4px rgba(243,179,61,.15)}
.page-head{padding:clamp(28px,4vw,52px) 0 var(--space-4)}.page-head h1{font-size:clamp(1.8rem,3.4vw,2.75rem);letter-spacing:-.04em}.page-head p{max-width:700px;font-size:1rem}.section-title{border:0!important;padding:0!important;margin-bottom:var(--space-5)!important;font-size:clamp(1.35rem,2.3vw,1.8rem)!important;letter-spacing:-.03em}.subnav-bar{border-color:var(--apc-line);background:rgba(255,255,255,.72);backdrop-filter:blur(10px)}.subnav-bar a{border-radius:var(--radius-sm);font-weight:750}.subnav-bar a.active{background:var(--apc-blue-soft);color:var(--apc-blue-strong)}
.progress-page{padding-bottom:var(--space-12)}.progress-hero{display:flex;align-items:end;min-height:174px;padding-bottom:var(--space-6);border-bottom:1px solid var(--apc-line)}.progress-stats{justify-content:flex-start;padding:var(--space-5) 0 0;gap:var(--space-3)}.progress-stats .stat{min-width:145px;flex:1;padding:16px 18px;border-radius:var(--radius-md);box-shadow:none}.progress-stats .stat b{font-size:1.55rem}.progress-section-heading{display:flex;justify-content:space-between;align-items:end;gap:var(--space-3);margin-bottom:var(--space-4)}.progress-section-heading h2{margin:0;color:var(--apc-navy);font-size:clamp(1.25rem,2vw,1.65rem);letter-spacing:-.03em}.progress-status-section{padding-top:var(--space-10)}.progress-xp-card{position:relative;max-width:none!important;overflow:hidden;padding:clamp(24px,4vw,38px)!important;border-color:#9bcbed!important;background:linear-gradient(125deg,#fff,#edf7ff)!important}.progress-xp-card:after{content:"";position:absolute;right:-70px;bottom:-140px;width:320px;height:320px;border:44px solid rgba(23,105,176,.08);border-radius:50%;pointer-events:none}.progress-xp-card .bar{height:12px!important;border-radius:var(--radius-pill)!important;background:#dceaf4!important}.progress-xp-card .bar i{background:linear-gradient(90deg,var(--apc-blue),#61b8ee)!important}.progress-xp-card .meta{font-size:.95rem!important}.progress-xp-card #xpName{color:var(--apc-navy);font-size:clamp(1.35rem,2vw,1.75rem)}.progress-xp-card #apcFaceImg{height:126px!important}.progress-xp-card #apcFaceSay{font-size:.88rem!important}.progress-achievements-head{display:flex;justify-content:space-between;align-items:end;margin-top:var(--space-8);margin-bottom:var(--space-4)}.progress-achievements-head h3{margin:0;color:var(--apc-navy);font-size:1.35rem}.ach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:var(--space-3)}.ach-item,.achievement{min-height:124px;border:1px solid var(--apc-line);border-radius:var(--radius-md);background:var(--apc-surface);box-shadow:var(--shadow-1)}.progress-primary-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:var(--space-5);padding-block:var(--space-8)}.progress-primary-grid section{padding:0}.progress-primary-grid .card{height:calc(100% - 48px);max-width:none!important}.progress-quest-card .bar{height:10px!important;border-radius:var(--radius-pill)!important}.progress-rating-card #rtGraph svg{border-radius:var(--radius-md)!important;background:#edf7ff!important}.rank-map-section{padding-top:var(--space-6)}.rank-map-card{max-width:none!important;padding:0!important;overflow:hidden}.rank-map-card summary{padding:var(--space-5) var(--space-6);background:var(--apc-surface-alt)}.rank-map-card summary b{color:var(--apc-navy);font-size:1.16rem}.rank-route{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;padding:1px;background:var(--apc-line)}.rank-route__stop{position:relative;min-height:124px;display:flex;flex-direction:column;justify-content:space-between;gap:8px;padding:16px;background:var(--apc-surface)}.rank-route__stop.is-complete{background:linear-gradient(150deg,#edf8f3,#fff)}.rank-route__stop.is-current{z-index:1;color:#fff;background:linear-gradient(135deg,var(--apc-navy),var(--apc-blue));box-shadow:inset 0 0 0 2px var(--apc-gold)}.rank-route__number{font-size:.72rem;font-weight:900;letter-spacing:.1em;color:var(--apc-muted)}.rank-route__stop.is-current .rank-route__number,.rank-route__stop.is-current small{color:#cfeaff}.rank-route__stop strong{font-size:1rem;line-height:1.15}.rank-route__stop small{display:block;margin-top:3px;color:var(--apc-muted);font-size:.76rem}.rank-route__state{align-self:flex-start;padding:3px 7px;border-radius:var(--radius-pill);font-size:.68rem;font-weight:800;color:var(--apc-blue-strong);background:var(--apc-blue-soft)}.rank-route__stop.is-current .rank-route__state{color:#513400;background:var(--apc-gold)}.rank-route__stop.is-locked{opacity:.68}.rank-map-card>.meta{padding:var(--space-4) var(--space-6)}.progress-leaderboard-card{max-width:none!important;padding:0!important;overflow:hidden}.progress-leaderboard-card>#lbTable{padding:var(--space-5) var(--space-6)}.progress-lb-table{min-width:680px}.apc-lb-me{background:rgba(23,105,176,.10)!important;box-shadow:inset 4px 0 0 var(--apc-blue)}.apc-lb-me .apc-lb-name:after{content:"Вы";display:inline-block;margin-left:8px;padding:1px 6px;border-radius:999px;color:var(--apc-blue-strong);background:var(--apc-blue-soft);font-size:.65rem;font-weight:800}.progress-secondary-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5);padding-block:var(--space-6)}.progress-secondary-grid .card{max-width:none!important}.progress-library-section{padding-block:var(--space-6)}.progress-library-section .grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.progress-library-section .prog-card{min-height:145px}.weak-empty{padding:var(--space-5);border:1px dashed #aac5d8;border-radius:var(--radius-md);background:var(--apc-surface-alt)}
/* Teaching pages: board/content leads, decoration stays quiet. */
.openings-layout,.bk-layout{gap:clamp(16px,2vw,26px)}.open-panel,.bk-panel,.lp-panel{border-color:var(--apc-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1)}.board-frame{border-radius:var(--radius-lg);padding:clamp(8px,1.2vw,14px);box-shadow:var(--shadow-2)}.chapters,.picker-list,.courseList{border-radius:var(--radius-md)}.chapter-btn,.picker-inline,.go{border-radius:var(--radius-sm)}.coach-box,.bk-bubble,.lp-bubble{border-color:#a7ceeb!important;background:#f2f9fe!important;box-shadow:none}.page-head+.openings-layout,.page-head+.bk-layout{padding-top:var(--space-4)}.bk-coach{margin-bottom:var(--space-4)!important}.bk-avatar{filter:drop-shadow(0 6px 10px rgba(13,49,91,.18))}.board-settings{border-color:var(--apc-line)!important;border-radius:var(--radius-md)!important;background:var(--apc-surface)!important}.board-theme-btn{border-radius:var(--radius-sm)!important}.learn-map{border-radius:var(--radius-xl);background:linear-gradient(145deg,#f7fbff,#e9f4fc);border-color:#b9d9ef}.lesson-body{max-width:920px;margin-inline:auto;border-radius:var(--radius-lg)}.lesson-finish{max-width:920px;margin-inline:auto;border-color:#a7d4b9;background:linear-gradient(145deg,#f2fbf6,#fff)}.lesson-diagram{border-radius:var(--radius-md)}.quiz-btn{border-radius:var(--radius-sm)}.lp-wrap{max-width:1180px}.lp-topbar{border-color:var(--apc-line);background:var(--apc-surface);border-radius:var(--radius-md)}.lp-done{border-radius:var(--radius-xl)}
/* Study, research and informational pages. */
.diary-form,.diary-entry,.quest-card{border-radius:var(--radius-lg)!important;border-color:var(--apc-line)!important;box-shadow:var(--shadow-1)}.diary-head{background:var(--apc-surface-alt)!important}.research-page .stats,.about-hero{margin-top:var(--space-4)}.about-hero{border-radius:var(--radius-xl);border:1px solid #b7d8ef;background:linear-gradient(135deg,#f7fbff,#eaf5fd)}.about-quote{border-left-color:var(--apc-gold)}.tbl,.table-scroll table{border-radius:var(--radius-md);overflow:hidden}.fig{border-radius:var(--radius-lg)}.login-box{border-radius:var(--radius-xl)!important;border-color:#b7d8ef!important;box-shadow:var(--shadow-3)!important}.auth-tabs button{border-radius:var(--radius-sm)!important}.admin-box{border-radius:var(--radius-lg);border-color:var(--apc-line);box-shadow:var(--shadow-1)}.table-scroll{border-radius:var(--radius-md);border-color:var(--apc-line)}
@media(max-width:900px){.status-deck{grid-template-columns:165px 1fr;padding-right:132px}.status-deck__goal{font-size:1rem}.progress-primary-grid,.progress-secondary-grid{grid-template-columns:1fr}.rank-route{grid-template-columns:repeat(2,1fr)}.rank-route__stop:last-child{grid-column:span 2}.progress-stats .stat{min-width:calc(50% - 8px)}}
@media(max-width:700px){.nav:after{display:none}.home-intro{padding-top:24px}.status-deck{grid-template-columns:1fr;padding-right:112px}.status-deck__goal strong{font-size:1.04rem}.status-deck__xp-head strong{font-size:1.35rem}.progress-hero{min-height:auto;padding-top:var(--space-8)}.progress-xp-card{padding:var(--space-5)!important}.progress-xp-card #apcFaceImg{height:92px!important}.progress-stats{display:grid;grid-template-columns:1fr 1fr}.progress-stats .stat{min-width:0}.rank-route{grid-template-columns:1fr}.rank-route__stop,.rank-route__stop:last-child{min-height:86px;grid-column:auto;display:grid;grid-template-columns:32px 1fr auto;align-items:center}.rank-route__state{justify-self:end}.progress-leaderboard-card>#lbTable{padding:var(--space-4)}.progress-secondary-grid{gap:var(--space-3)}.openings-layout,.bk-layout{gap:var(--space-4)}}
@media(max-width:380px){.progress-stats{gap:8px}.progress-stats .stat{padding:12px}.progress-stats .stat b{font-size:1.35rem}.status-deck__goal{padding-top:10px}.rank-route__stop{padding:12px}.rank-route__stop strong{font-size:.92rem}}
html[data-theme="dark"] .progress-xp-card{background:linear-gradient(125deg,#132236,#18334d)!important;border-color:#2d6490!important}html[data-theme="dark"] .rank-route{background:#29445e}html[data-theme="dark"] .rank-route__stop{background:#132236}html[data-theme="dark"] .rank-route__stop.is-complete{background:linear-gradient(150deg,#153243,#132236)}html[data-theme="dark"] .progress-rating-card #rtGraph svg{background:#182b42!important}html[data-theme="dark"] .coach-box,html[data-theme="dark"] .bk-bubble,html[data-theme="dark"] .lp-bubble{background:#182b42!important;border-color:#294f70!important}html[data-theme="dark"] .about-hero,html[data-theme="dark"] .learn-map{background:linear-gradient(135deg,#132236,#182b42);border-color:#294f70}
/* Pre-deploy corrections: one source of truth for shell geometry. */
:root{--apc-header-h:72px;--apc-bottom-nav-h:64px}
.nav{height:var(--apc-header-h)}
.subnav-bar{top:var(--apc-header-h)}
.progress-secondary-section{padding-block:var(--space-6)}
.progress-secondary-section>.section-title{margin-bottom:var(--space-5)!important}
.progress-secondary-section>.card{max-width:none!important}
@media(max-width:768px){
  :root{--apc-header-h:64px}
  .subnav-bar{top:var(--apc-header-h)}
  body{padding-bottom:calc(var(--apc-bottom-nav-h) + env(safe-area-inset-bottom, 0px))}
}
/* Specialized puzzle training workspace. Existing IDs retain their logic. */
.training-context{display:grid;grid-template-columns:auto minmax(170px,1fr) minmax(260px,1.4fr) auto;gap:16px;align-items:center;margin:20px auto 18px;padding:13px 16px;max-width:1280px;border:1px solid var(--apc-line);border-radius:var(--radius-lg);background:rgba(255,255,255,.88);box-shadow:var(--shadow-1)}.training-back{padding:8px 10px;border:1px dashed #91b9d8;background:transparent;color:var(--apc-blue-strong);font-size:.84rem}.training-context__path{display:grid;gap:1px;min-width:0}.training-context__path span{overflow:hidden;color:var(--apc-muted);font-size:.78rem;text-overflow:ellipsis;white-space:nowrap}.training-context__path b{overflow:hidden;color:var(--apc-navy);font-size:.94rem;text-overflow:ellipsis;white-space:nowrap}.training-context__progress{min-width:0}.training-context__head{display:flex;justify-content:space-between;gap:10px;margin-bottom:6px;color:var(--apc-muted);font-size:.78rem}.training-context__head span:last-child{white-space:nowrap}.training-context__bar{height:8px;overflow:hidden;border-radius:var(--radius-pill);background:#dceaf4}.training-context__bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--apc-blue),#6fc6f2);transition:width .4s ease}.training-context__mode{padding:5px 9px;border-radius:var(--radius-pill);color:var(--apc-blue-strong);background:var(--apc-blue-soft);font-size:.72rem;font-weight:850;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.training-workspace{display:grid;grid-template-columns:220px minmax(500px,720px) minmax(300px,390px);gap:clamp(16px,2vw,26px);align-items:start;justify-content:center;padding-bottom:48px}.training-rail{position:sticky;top:calc(var(--apc-header-h) + 18px);max-height:calc(100vh - var(--apc-header-h) - 36px);overflow:auto}.training-board-zone{min-width:0}.training-board-zone .board-frame{background:var(--apc-surface);padding:clamp(8px,1vw,14px);box-shadow:var(--shadow-2)}.training-task-panel{position:sticky;top:calc(var(--apc-header-h) + 18px);display:flex;flex-direction:column;gap:14px;padding:22px!important;min-height:430px}.training-task-panel__eyebrow{color:var(--apc-blue-strong);font-size:.7rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.training-task-panel h3{margin:0!important;color:var(--apc-navy);font-size:clamp(1.25rem,1.8vw,1.55rem)!important;line-height:1.2}.training-condition{padding:13px 14px;border-left:4px solid var(--apc-gold);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:var(--apc-gold-soft)}.training-condition__label,.training-feedback__label{display:block;margin-bottom:4px;color:var(--apc-muted);font-size:.7rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.training-condition strong{display:block;color:var(--apc-ink);font-size:.94rem;line-height:1.45}.training-feedback{padding:14px;border:1px solid #c7ddeb;border-radius:var(--radius-md);background:#f7fbfe;transition:background .18s ease,border-color .18s ease}.training-feedback .status{min-height:1.4em;margin:0;font-weight:750}.training-feedback.is-ready{border-color:#c7ddeb}.training-feedback:has(.status.good){border-color:#9bd5b5;background:var(--apc-success-soft)}.training-feedback:has(.status.bad){border-color:#e9b1b7;background:#fff1f2}.training-task-panel .btns{margin-top:auto;gap:8px}.training-task-panel #bkNextUnsolved{flex:1;min-height:46px}.training-secondary-actions{border-top:1px solid var(--apc-line);padding-top:12px}.training-secondary-actions summary{cursor:pointer;color:var(--apc-blue-strong);font-size:.86rem;font-weight:800}.training-secondary-actions[open]{display:flex;flex-wrap:wrap;gap:8px}.training-secondary-actions[open] summary{width:100%}.training-secondary-actions button{font-size:.82rem}.training-secondary-actions .board-settings{width:100%;margin:0}.training-secondary-actions .board-settings summary{padding-top:8px;color:var(--apc-muted)}.training-task-panel #qaBox,.training-task-panel #examTimer,.training-task-panel #examResult{margin-top:0}.training-workspace .bk-coach{display:none!important}.training-workspace #bkAdvice{margin-top:8px}.training-workspace .bk-toast{font-weight:800}.training-workspace .turn-ind{border-radius:var(--radius-pill);box-shadow:var(--shadow-1)}
#bookPicker{padding-bottom:48px}.rep-block{max-width:980px;margin:0 auto 24px;border-radius:var(--radius-lg)!important;background:linear-gradient(120deg,var(--apc-gold-soft),#fff)!important;border-color:#efd08b!important}.book-card{border-radius:var(--radius-lg)!important}.book-card .bar{border-radius:var(--radius-pill)!important}.stage-card{border-radius:var(--radius-lg)!important}.stage-card:hover{border-color:#8fc7ee!important}.training-workspace .chapters{border-radius:var(--radius-lg)}
@media(max-width:1240px){.training-workspace{grid-template-columns:minmax(480px,720px) minmax(300px,390px)}.training-rail{grid-column:1/-1;position:static;max-height:none;display:flex;gap:10px;align-items:flex-start}.training-rail #bkChapters{display:grid!important;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));width:100%}.training-rail .mode-row{flex:0 0 auto}}
@media(max-width:850px){.training-context{grid-template-columns:auto 1fr auto}.training-context__progress{grid-column:1/-1;grid-row:2}.training-workspace{grid-template-columns:1fr;gap:14px}.training-board-zone{order:1}.training-task-panel{position:static;order:2;min-height:0}.training-rail{order:3;flex-direction:column}.training-rail .mode-row{width:100%}.training-rail #bkChapters{grid-template-columns:1fr}.training-board-zone .board-frame{width:100%}}
@media(max-width:520px){.training-context{margin:12px auto 14px;padding:11px 12px;gap:10px}.training-back{font-size:0;padding:9px}.training-back:first-letter{font-size:1.05rem}.training-context__mode{display:none}.training-context__path b{font-size:.86rem}.training-context__head{font-size:.72rem}.training-task-panel{padding:18px!important}.training-task-panel .btns{align-items:stretch;flex-direction:column}.training-task-panel #bkNextUnsolved{width:100%}.training-task-panel #bkToolbar{align-self:flex-start}.training-board-zone .board-frame{padding:4px}.training-secondary-actions button{width:100%}.training-workspace{padding-bottom:20px}}
html[data-theme="dark"] .training-context{background:rgba(19,34,54,.92);border-color:var(--apc-line)}html[data-theme="dark"] .training-context__bar{background:#29445e}html[data-theme="dark"] .training-feedback{background:#182b42;border-color:#294f70}html[data-theme="dark"] .training-condition{background:#3b2d10}html[data-theme="dark"] .training-condition strong{color:var(--apc-ink)}
/* Training workspace polish: fewer surfaces, clearer task hierarchy. */
.training-context__path b{font-size:.9rem}.training-context__head span:first-child{font-weight:800;color:var(--apc-navy)}.training-context__head span:last-child{color:var(--apc-muted)}.training-task-panel{gap:12px;background:var(--apc-surface)!important}.training-task-panel__eyebrow{margin-bottom:-5px;color:var(--apc-blue-strong);font-size:.72rem}.training-task-panel h3{font-size:1.45rem!important}.training-condition{padding:0;border:0;border-radius:0;background:transparent}.training-condition strong{color:var(--apc-ink);font-size:.95rem;font-weight:650}.training-feedback{padding:4px 0 0;border:0;border-top:1px solid var(--apc-line);border-radius:0;background:transparent}.training-feedback__label{display:none}.training-feedback .status{display:flex;align-items:center;gap:7px;color:var(--apc-muted);font-size:.88rem;font-weight:750}.training-feedback.is-ready{border-color:transparent;background:transparent}.training-feedback.is-ready .status{color:var(--apc-blue-strong)}.training-feedback:has(.status.good){padding:10px 12px;border:1px solid #9bd5b5;border-radius:var(--radius-sm);background:var(--apc-success-soft)}.training-feedback:has(.status.bad){padding:10px 12px;border:1px solid #e9b1b7;border-radius:var(--radius-sm);background:#fff4f5}.training-feedback #bkAdvice{padding:0;border:0;background:transparent}.training-task-panel .btns{margin-top:8px}.training-task-panel #bkNextUnsolved{flex:0 0 auto;min-height:38px;padding:8px 11px;color:var(--apc-blue-strong);border:1px solid #a8cdea;background:transparent;box-shadow:none;font-size:.84rem}.training-task-panel #bkNextUnsolved:hover{background:var(--apc-blue-soft);transform:none}.training-task-panel:has(.status.good) #bkNextUnsolved{width:100%;min-height:46px;color:var(--apc-navy);border-color:var(--apc-gold);background:var(--apc-gold);box-shadow:0 4px 0 var(--apc-gold-deep);font-size:.94rem}.training-task-panel:has(.status.good) #bkNextUnsolved:hover{background:#ffc95a;transform:translateY(-1px)}.training-task-panel .toolbar{margin-left:auto}.training-secondary-actions{margin-top:2px}.training-workspace .turn-ind{padding:5px 9px!important;font-size:.78rem!important;background:rgba(255,255,255,.92)!important}.training-rail .chapter-btn{color:var(--apc-navy);font-weight:750;background:var(--apc-surface)}.training-rail .chapter-btn:hover{color:var(--apc-blue-strong);background:var(--apc-blue-soft)}.training-rail .chapter-btn.active,.training-rail .chapter-btn.sel,.training-rail .mode-row button.sel{color:#fff!important;background:var(--apc-blue)!important;border-color:var(--apc-blue)!important}.training-rail .mode-row button{color:var(--apc-navy);font-weight:750}.training-rail .mode-row{background:var(--apc-surface-alt);border-radius:var(--radius-sm);padding:3px}.training-board-zone .turn-ind{left:50%;right:auto!important;bottom:8px;top:auto!important;transform:translateX(-50%)}html[data-theme="dark"] .training-context__head span:first-child{color:var(--apc-ink)}html[data-theme="dark"] .training-feedback{border-color:var(--apc-line)}html[data-theme="dark"] .training-feedback.is-ready{border-color:transparent}html[data-theme="dark"] .training-condition strong{color:var(--apc-ink)}html[data-theme="dark"] .training-workspace .turn-ind{background:rgba(19,34,54,.94)!important}@media(max-width:520px){.training-task-panel h3{font-size:1.27rem!important}.training-task-panel #bkNextUnsolved{width:100%}.training-task-panel .toolbar{margin-left:0}.training-workspace .turn-ind{bottom:5px}}
/* Final training feedback polish: concise task panel with compact mascot. */
.training-condition{display:none}.training-feedback{display:flex;align-items:center;min-height:116px;padding:0!important;border:0!important;background:transparent!important}.training-feedback .status,.training-feedback #bkAdvice{display:none!important}.training-workspace .bk-coach{display:flex!important;align-items:center;gap:12px;width:100%;margin:0!important}.training-workspace .bk-avatar{width:auto;height:108px;flex:0 0 auto;margin:0!important;filter:drop-shadow(0 5px 8px rgba(13,49,91,.16))}.training-workspace .bk-name{display:none}.training-workspace .bk-bubble{min-height:0;margin:0!important;padding:0!important;border:0!important;background:transparent!important;color:var(--apc-navy);font-size:1rem;font-weight:800;line-height:1.35}.training-workspace .bk-bubble:before{display:none}.training-task-panel:has(.status.good) .bk-bubble{color:var(--apc-success)}.training-task-panel:has(.status.bad) .bk-bubble{color:var(--apc-error)}.training-task-panel:has(.status.good) .bk-coach{padding:8px 10px;border-radius:var(--radius-sm);background:var(--apc-success-soft)}.training-task-panel:has(.status.bad) .bk-coach{padding:8px 10px;border-radius:var(--radius-sm);background:#fff4f5}.training-task-panel:has(.status.good) .bk-avatar,.training-task-panel:has(.status.bad) .bk-avatar{height:96px}.training-task-panel__eyebrow{font-size:.74rem}.training-task-panel .btns{margin-top:0}.training-task-panel .training-secondary-actions{margin-top:auto}@media(max-width:520px){.training-feedback{min-height:96px}.training-workspace .bk-avatar{height:90px}.training-task-panel:has(.status.good) .bk-avatar,.training-task-panel:has(.status.bad) .bk-avatar{height:82px}.training-workspace .bk-bubble{font-size:.94rem}}
html[data-theme="dark"] .training-workspace .bk-bubble{color:var(--apc-ink)}html[data-theme="dark"] .training-task-panel:has(.status.good) .bk-coach{background:#153243}html[data-theme="dark"] .training-task-panel:has(.status.bad) .bk-coach{background:#402330}
/* Dark training panel: these controls inherit light-theme blue elsewhere. */
html[data-theme="dark"] .training-task-panel__eyebrow{color:#6fc6f2}
html[data-theme="dark"] .training-task-panel h3{color:var(--apc-ink)}
html[data-theme="dark"] .training-task-panel #bkNextUnsolved{color:#b9e1fb;border-color:#5c92ba}
html[data-theme="dark"] .training-task-panel #bkNextUnsolved:hover{background:#173a5d}
/* Keep the turn indicator in normal document flow beneath its own board. */
.training-board-zone .turn-ind{position:relative!important;left:auto!important;right:auto!important;top:auto!important;bottom:auto!important;transform:none!important;width:min(100%,540px);margin:12px auto 0!important}
@media(max-width:520px){.training-board-zone .turn-ind{margin-top:8px!important}}

/* ============ DARK THEME: TEXT READABILITY AUDIT ============ */
/* --apc-navy remains a dark brand token for backgrounds; never use it as
   foreground text on a dark surface. These rules cover every shared page
   surface that intentionally uses that token in the light theme. */
html[data-theme="dark"] .home-primary-action h3,
html[data-theme="dark"] .home-first-steps,
html[data-theme="dark"] .progress-section-heading h2,
html[data-theme="dark"] .progress-xp-card #xpName,
html[data-theme="dark"] .progress-achievements-head h3,
html[data-theme="dark"] .rank-map-card summary b,
html[data-theme="dark"] .training-context__path b,
html[data-theme="dark"] .training-task-panel h3,
html[data-theme="dark"] .training-rail .chapter-btn,
html[data-theme="dark"] .training-rail .mode-row button{
  color:var(--apc-ink);
}
html[data-theme="dark"] .training-task-panel__eyebrow,
html[data-theme="dark"] .training-context__mode,
html[data-theme="dark"] .training-feedback.is-ready .status{
  color:#8dcef5;
}
html[data-theme="dark"] .training-task-panel #bkNextUnsolved{
  color:#b9e1fb;
  border-color:#5c92ba;
}
html[data-theme="dark"] .training-task-panel #bkNextUnsolved:hover{background:#173a5d;}
html[data-theme="dark"] .about-list,
html[data-theme="dark"] .about-quote{color:var(--apc-ink);}
html[data-theme="dark"] .login-box .sub,
html[data-theme="dark"] #progNote,
html[data-theme="dark"] .admin-box [style*="color:#888"],
html[data-theme="dark"] .admin-box [style*="color:#bbb"]{color:var(--apc-muted)!important;}
html[data-theme="dark"] .admin-box [style*="color:#1b5e20"]{color:#7de0a6!important;}


/* ========================================================================
   LEADERBOARD REDESIGN — compact, calmer and easier to scan
   ======================================================================== */
.home-leaderboard{max-width:1040px;margin-inline:auto}
.home-leaderboard .home-section-heading{margin-bottom:14px}
.home-leaderboard__table{overflow:hidden;border:1px solid #d9e6f1;border-radius:20px;background:var(--apc-surface);box-shadow:0 10px 28px rgba(16,49,91,.07)}
.home-leaderboard-table{min-width:0;table-layout:fixed;border-collapse:separate;border-spacing:0}
.home-leaderboard-table th{height:42px;padding:0 18px;border:0;color:#7890a5;background:#f6f9fc;font-size:.67rem;letter-spacing:.09em}
.home-leaderboard-table th:first-child{width:76px;text-align:center}.home-leaderboard-table th:nth-child(3){width:150px}.home-leaderboard-table th:last-child{width:124px;text-align:right}
.home-leaderboard-table td{height:58px;padding:8px 18px;border-top:1px solid #e8eff5;background:var(--apc-surface);font-size:.91rem}
.home-leaderboard-table tbody tr:first-child td{border-top:0}
.home-leaderboard-table tbody tr{transition:transform .15s ease,box-shadow .15s ease}.home-leaderboard-table tbody tr:hover td{background:#fbfdff}
.home-leaderboard-table tr.is-top td{background:var(--apc-surface)}
.home-leaderboard-table tr.is-top-1 td{background:linear-gradient(90deg,rgba(255,245,211,.72),rgba(255,255,255,.92) 38%,#fff 100%)}
.home-leaderboard-table tr.is-top-2 td{background:linear-gradient(90deg,rgba(236,243,249,.92),rgba(255,255,255,.96) 38%,#fff 100%)}
.home-leaderboard-table tr.is-top-3 td{background:linear-gradient(90deg,rgba(252,237,226,.86),rgba(255,255,255,.96) 38%,#fff 100%)}
.leader-rank-cell{text-align:center}.leader-place{width:30px;height:30px;font-size:.78rem;box-shadow:none}.is-top-1 .leader-place{color:#71500d;background:#f7c95c}.is-top-2 .leader-place{color:#506273;background:#dbe4ec}.is-top-3 .leader-place{color:#72471f;background:#e7bb91}
.leader-player{display:flex;align-items:center;gap:11px;min-width:0}.leader-avatar{display:inline-grid;flex:0 0 34px;width:34px;height:34px;place-items:center;border:1px solid #c8ddeb;border-radius:11px;color:#175f98;background:#eaf4fb;font-size:.78rem;font-weight:900;text-transform:uppercase}.leader-name{min-width:0;max-width:none;color:var(--apc-ink);font-weight:780}.leader-level b{color:var(--apc-ink);font-size:.92rem}.leader-level small{margin-top:1px;font-size:.7rem}.leader-score{text-align:right}.leader-score b{font-size:.94rem;font-variant-numeric:tabular-nums}.home-leaderboard__note{margin-top:10px;text-align:right}

.progress-leaderboard-card{max-width:1100px!important;margin-inline:auto;border:1px solid #d9e6f1!important;border-radius:22px!important;background:var(--apc-surface)!important;box-shadow:0 12px 32px rgba(16,49,91,.07)!important}
.progress-leaderboard-card>#lbTable{padding:22px 24px 20px}
.apc-lb-kicker{margin:0 0 12px;color:#7890a5;font-size:.69rem;letter-spacing:.11em}
.apc-lb-wrap{overflow:hidden;border:1px solid #dbe7f1;border-radius:18px;background:var(--apc-surface);box-shadow:none}
.apc-lb-table{min-width:640px;table-layout:fixed;border-collapse:separate;border-spacing:0;font-size:.91rem}
.apc-lb-table th{height:42px;padding:0 16px;border:0;color:#7890a5;background:#f6f9fc;font-size:.66rem;letter-spacing:.09em}
.apc-lb-table th:first-child{width:68px;text-align:center}.apc-lb-table th:nth-child(3){width:150px}.apc-lb-table th:nth-child(4){width:110px;text-align:right}.apc-lb-table th:nth-child(5){width:110px;text-align:right}.apc-lb-table th:first-child,.apc-lb-table th:last-child{border-radius:0}
.apc-lb-table td{height:58px;padding:8px 16px;border-top:1px solid #e8eff5;background:var(--apc-surface)}
.apc-lb-table tbody tr:first-child td{border-top:0}.apc-lb-table tbody tr:hover td{background:#fbfdff}
.apc-lb-table .apc-lb-top-1 td{background:linear-gradient(90deg,rgba(255,245,211,.72),rgba(255,255,255,.94) 42%,#fff)}
.apc-lb-table .apc-lb-top-2 td{background:linear-gradient(90deg,rgba(236,243,249,.92),rgba(255,255,255,.96) 42%,#fff)}
.apc-lb-table .apc-lb-top-3 td{background:linear-gradient(90deg,rgba(252,237,226,.86),rgba(255,255,255,.96) 42%,#fff)}
.apc-lb-rank-cell{text-align:center}.apc-lb-place{min-width:30px;width:30px;height:30px;padding:0;background:#e8f1f8;font-size:.78rem}.apc-lb-place.place-1,.apc-lb-place.place-2,.apc-lb-place.place-3{font-size:.78rem}.apc-lb-place.place-1{color:#71500d;background:#f7c95c}.apc-lb-place.place-2{color:#506273;background:#dbe4ec}.apc-lb-place.place-3{color:#72471f;background:#e7bb91}
.apc-lb-player{display:flex;align-items:center;gap:11px;min-width:0}.apc-lb-avatar{display:inline-grid;flex:0 0 34px;width:34px;height:34px;place-items:center;border:1px solid #c8ddeb;border-radius:11px;color:#175f98;background:#eaf4fb;font-size:.78rem;font-weight:900;text-transform:uppercase}.apc-lb-name{display:block;overflow:hidden;color:var(--apc-ink);font-weight:780;text-overflow:ellipsis;white-space:nowrap}.apc-lb-player small{display:block;margin-top:1px;color:var(--apc-muted);font-size:.69rem}.apc-lb-level-cell{white-space:nowrap}.apc-lb-level{min-width:30px;height:27px;padding:0 8px;font-size:.76rem}.apc-lb-level-cell small{display:inline;margin:0 0 0 7px;font-size:.69rem}.apc-lb-number{text-align:right;font-variant-numeric:tabular-nums}.apc-lb-solved{padding:0;min-width:0;color:var(--apc-ink);background:transparent;border-radius:0}.apc-lb-xp{color:#86631e}
.apc-lb-table .apc-lb-me td{box-shadow:none}.apc-lb-table .apc-lb-me .apc-lb-name{color:var(--apc-blue-strong)}
.apc-lb-my-position{margin-top:18px;padding-top:18px;border-top:1px dashed #c9d9e6}.apc-lb-my-label{margin:0 0 9px;text-align:left;color:var(--apc-muted);font-size:.72rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.apc-lb-my-card{display:grid;grid-template-columns:96px minmax(230px,1.5fr) minmax(125px,.8fr) minmax(105px,.65fr) minmax(105px,.65fr);gap:14px;align-items:center;padding:13px 16px;border:1px solid #a9d8c0;border-radius:16px;background:linear-gradient(105deg,#f0fbf5,#fbfffd);box-shadow:0 5px 16px rgba(22,134,90,.07)}
.apc-lb-my-rank,.apc-lb-my-stat{display:grid;gap:2px}.apc-lb-my-rank span,.apc-lb-my-stat span{color:#7890a5;font-size:.65rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.apc-lb-my-rank strong{color:#0d6f49;font-size:1.08rem;font-variant-numeric:tabular-nums}.apc-lb-my-stat strong{color:var(--apc-ink);font-size:.94rem;font-variant-numeric:tabular-nums}.apc-lb-my-stat small{overflow:hidden;color:var(--apc-muted);font-size:.68rem;text-overflow:ellipsis;white-space:nowrap}.apc-lb-my-player .apc-lb-avatar{border-color:#a9d8c0;color:#0d6f49;background:#ddf3e8}.apc-lb-my-player .apc-lb-name{color:#0d6f49}
.progress-leaderboard-card>.meta{margin:0!important;padding:0 24px 18px;color:#8497a9!important;font-size:.76rem!important;text-align:right}

html[data-theme="dark"] .home-leaderboard__table,html[data-theme="dark"] .progress-leaderboard-card,html[data-theme="dark"] .apc-lb-wrap{border-color:#29445e!important;background:#132236!important}
html[data-theme="dark"] .home-leaderboard-table th,html[data-theme="dark"] .apc-lb-table th{color:#9eb4c8;background:#182b42}
html[data-theme="dark"] .home-leaderboard-table td,html[data-theme="dark"] .apc-lb-table td{border-color:#29445e;background:#132236}
html[data-theme="dark"] .home-leaderboard-table tbody tr:hover td,html[data-theme="dark"] .apc-lb-table tbody tr:hover td{background:#182b42}
html[data-theme="dark"] .home-leaderboard-table tr.is-top-1 td,html[data-theme="dark"] .apc-lb-table .apc-lb-top-1 td{background:linear-gradient(90deg,#3a331f,#132236 48%)}
html[data-theme="dark"] .home-leaderboard-table tr.is-top-2 td,html[data-theme="dark"] .apc-lb-table .apc-lb-top-2 td{background:linear-gradient(90deg,#203244,#132236 48%)}
html[data-theme="dark"] .home-leaderboard-table tr.is-top-3 td,html[data-theme="dark"] .apc-lb-table .apc-lb-top-3 td{background:linear-gradient(90deg,#382b24,#132236 48%)}
html[data-theme="dark"] .leader-avatar,html[data-theme="dark"] .apc-lb-avatar{border-color:#36536d;color:#cfe9fb;background:#20384e}
html[data-theme="dark"] .leader-name,html[data-theme="dark"] .leader-level b,html[data-theme="dark"] .apc-lb-name,html[data-theme="dark"] .apc-lb-solved{color:var(--apc-ink)}
html[data-theme="dark"] .apc-lb-my-position{border-top-color:#36536d}html[data-theme="dark"] .apc-lb-my-card{border-color:#2e7b5b;background:linear-gradient(105deg,#153329,#132236)}html[data-theme="dark"] .apc-lb-my-player .apc-lb-avatar{border-color:#2e7b5b;color:#9fe0bf;background:#173b2f}html[data-theme="dark"] .apc-lb-my-player .apc-lb-name,html[data-theme="dark"] .apc-lb-my-rank strong{color:#9fe0bf}

@media(max-width:720px){
  .home-leaderboard__table,.apc-lb-wrap{overflow-x:auto}.home-leaderboard-table{min-width:540px}.home-leaderboard-table th,.home-leaderboard-table td{padding-left:12px;padding-right:12px}.home-leaderboard-table th:first-child{width:60px}.home-leaderboard-table th:nth-child(3){width:130px}.home-leaderboard-table th:last-child{width:105px}
  .progress-leaderboard-card>#lbTable{padding:16px 14px}.apc-lb-table{min-width:600px}.apc-lb-table th,.apc-lb-table td{padding-left:11px;padding-right:11px}
  .apc-lb-my-card{grid-template-columns:78px 1fr 90px;gap:10px}.apc-lb-my-stat:nth-child(4),.apc-lb-my-stat:nth-child(5){grid-column:auto}.apc-lb-my-player{grid-column:2/4}.apc-lb-my-rank{grid-row:1/3}.progress-leaderboard-card>.meta{padding-left:14px;padding-right:14px;text-align:left}
}
@media(max-width:480px){.apc-lb-my-card{grid-template-columns:72px 1fr}.apc-lb-my-player{grid-column:2}.apc-lb-my-stat{padding-top:8px;border-top:1px solid rgba(120,144,165,.18)}.apc-lb-my-stat:nth-child(3){grid-column:1}.apc-lb-my-stat:nth-child(4){grid-column:2}.apc-lb-my-stat:nth-child(5){grid-column:2}.apc-lb-my-rank{grid-row:auto}.home-leaderboard__note{display:none}}

/* ========================================================================== 
   HOME DASHBOARD v30 — compact student-first redesign
   ========================================================================== */
.home-dashboard{max-width:1220px!important;padding-bottom:64px}
.home-hero-new{position:relative;display:grid;grid-template-columns:minmax(0,1.55fr) minmax(260px,.65fr);min-height:390px;overflow:hidden;margin:34px 0 18px;padding:clamp(30px,4.5vw,58px);border:1px solid #d8e7f2;border-radius:32px;background:linear-gradient(135deg,#f8fcff 0%,#eef8ff 54%,#e4f3fd 100%);box-shadow:0 18px 50px rgba(16,49,91,.08)}
.home-hero-new:before{content:"";position:absolute;width:330px;height:330px;right:-95px;top:-150px;border:46px solid rgba(25,121,194,.08);border-radius:50%}
.home-hero-new__copy{position:relative;z-index:2;align-self:center;max-width:700px}
.home-kicker{margin:0 0 10px;color:var(--apc-blue-strong);font-size:.78rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.home-hero-new h1{max-width:700px;margin:0;color:var(--apc-navy);font-size:clamp(2.15rem,4.5vw,4rem);line-height:.98;letter-spacing:-.055em}
.home-hero-new__next{max-width:640px;margin-top:28px;padding-left:18px;border-left:3px solid var(--apc-gold)}
.home-hero-new__next>span{display:block;margin-bottom:4px;color:#7890a5;font-size:.7rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.home-hero-new__next h2{margin:0;color:var(--apc-ink);font-size:clamp(1.15rem,2vw,1.45rem);letter-spacing:-.025em}
.home-hero-new__next p{max-width:620px;margin:7px 0 0;color:var(--apc-muted);font-size:.94rem;line-height:1.55}
.home-hero-new__actions{display:flex;align-items:center;gap:18px;margin-top:24px;flex-wrap:wrap}
.home-continue{min-height:48px;padding-inline:22px!important;border-radius:14px!important;box-shadow:0 8px 20px rgba(18,91,145,.16)}
.home-continue i{margin-left:7px;font-style:normal}.home-next-rank{color:#7890a5;font-size:.78rem;font-weight:750}
.home-hero-new__visual{position:relative;display:grid;place-items:end center;min-height:280px;align-self:stretch}
.home-hero-new__visual img{position:relative;z-index:2;width:min(100%,285px);max-height:320px;object-fit:contain;object-position:center bottom;filter:drop-shadow(0 20px 20px rgba(13,49,91,.18));animation:apc-mascot-idle 4s ease-in-out infinite}
.home-mascot-orbit{position:absolute;border-radius:50%;background:rgba(255,255,255,.72);box-shadow:0 16px 50px rgba(43,118,171,.08)}
.home-mascot-orbit--one{width:250px;height:250px;right:3%;bottom:8%}.home-mascot-orbit--two{width:110px;height:110px;right:2%;top:2%;background:rgba(243,179,61,.15)}
.home-first-steps{max-width:760px;margin:10px 0 0}

.home-stats-strip{display:grid;grid-template-columns:1fr 1.55fr 1fr 1fr;gap:10px;margin:0 0 44px}
.home-stat-chip{display:flex;align-items:center;min-width:0;gap:12px;padding:16px 17px;border:1px solid #dce8f1;border-radius:18px;background:var(--apc-surface);box-shadow:0 6px 18px rgba(16,49,91,.045)}
.home-stat-chip__icon{display:grid;flex:0 0 38px;width:38px;height:38px;place-items:center;border-radius:12px;color:#17649e;background:#eaf5fc;font-size:1.05rem;font-weight:900}
.home-stat-chip small{display:block;color:#8398aa;font-size:.65rem;font-weight:850;letter-spacing:.07em;text-transform:uppercase}.home-stat-chip strong{display:block;overflow:hidden;margin-top:3px;color:var(--apc-ink);font-size:.94rem;text-overflow:ellipsis;white-space:nowrap}
.home-stat-chip--xp{align-items:flex-start}.home-stat-chip__body{min-width:0;flex:1}.home-stat-chip__top{display:flex;align-items:end;justify-content:space-between;gap:10px}.home-stat-chip__top>span{color:#8398aa;font-size:.7rem;white-space:nowrap}.home-progress--compact{height:7px;margin:8px 0 0;background:#e6eff6;box-shadow:none}.home-progress--compact i{background:linear-gradient(90deg,#efb13b,#f7d97b);box-shadow:none}

.home-section-heading--simple{align-items:end;margin-bottom:16px}.home-section-heading--simple h2{font-size:clamp(1.45rem,2.3vw,1.9rem)}.home-section-heading--simple p{margin:5px 0 0;color:var(--apc-muted);font-size:.88rem}
.home-today{margin-bottom:44px}.home-today-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.home-today-card{display:flex;min-width:0;min-height:214px;flex-direction:column;padding:20px;text-decoration:none;border:1px solid #dce8f1;border-radius:22px;background:var(--apc-surface);box-shadow:0 8px 24px rgba(16,49,91,.055);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
a.home-today-card:hover{transform:translateY(-3px);border-color:#a6cfea;box-shadow:0 14px 30px rgba(16,49,91,.09)}
.home-today-card--daily{background:linear-gradient(145deg,#fffdf8,#fff9ea)}.home-today-card--repeat{background:linear-gradient(145deg,#f9fcff,#eef8ff)}.home-today-card--homework{background:linear-gradient(145deg,#fbfffd,#f0faf5)}
.home-today-card__head{display:flex;align-items:center;gap:9px}.home-today-card__icon{display:grid;width:34px;height:34px;place-items:center;border-radius:11px;color:#17649e;background:#e8f4fc;font-size:1rem;font-weight:900}.home-today-card--daily .home-today-card__icon{color:#8a6313;background:#fff0bf}.home-today-card--homework .home-today-card__icon{color:#0c7650;background:#dff4e9}
.home-today-card h3{margin:18px 0 6px;color:var(--apc-navy);font-size:1.16rem;letter-spacing:-.025em}.home-today-card>p,.home-today-empty{margin:0;color:var(--apc-muted);font-size:.84rem;line-height:1.5}.home-today-card__footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:18px;color:#668199;font-size:.76rem;font-weight:800}.home-today-card__footer a,.home-today-card__footer>span:last-child{color:var(--apc-blue-strong);text-decoration:none}.home-today-card__footer i{font-style:normal}.home-homework-summary{display:flex;justify-content:space-between;gap:10px;margin-top:2px}.home-homework-summary strong{overflow:hidden;color:var(--apc-ink);font-size:.9rem;text-overflow:ellipsis;white-space:nowrap}.homework-progress{margin-top:14px}

.home-learning{padding-bottom:44px}.home-learning-grid--new{gap:14px}.home-learning-grid--new .home-route-card{min-height:210px;padding:22px;border-radius:22px;box-shadow:0 8px 24px rgba(16,49,91,.055)}.home-route-card__visual{position:absolute!important;right:18px;top:16px;display:grid!important;width:54px;height:54px;place-items:center;margin:0!important;border-radius:17px;color:#17649e;background:#eaf5fc;font-size:1.6rem!important;line-height:1}.home-route-card--puzzles .home-route-card__visual{color:#fff;background:rgba(255,255,255,.14)}.home-learning-grid--new .home-route-card__index{margin-top:3px}.home-learning-grid--new .home-route-card h3{margin-top:38px;font-size:1.25rem}.home-learning-grid--new .home-route-card p{max-width:82%;line-height:1.5}
.home-leaderboard{padding-top:10px!important}

html[data-theme="dark"] .home-hero-new{border-color:#29445e;background:linear-gradient(135deg,#132236 0%,#152b42 58%,#173650 100%)}
html[data-theme="dark"] .home-hero-new h1,html[data-theme="dark"] .home-hero-new__next h2{color:var(--apc-ink)}html[data-theme="dark"] .home-mascot-orbit--one{background:rgba(32,56,78,.82)}html[data-theme="dark"] .home-mascot-orbit--two{background:rgba(243,179,61,.12)}
html[data-theme="dark"] .home-stat-chip,html[data-theme="dark"] .home-today-card{border-color:#29445e;background:#132236}html[data-theme="dark"] .home-today-card--daily{background:linear-gradient(145deg,#1f291f,#241f16)}html[data-theme="dark"] .home-today-card--repeat{background:linear-gradient(145deg,#132236,#172d44)}html[data-theme="dark"] .home-today-card--homework{background:linear-gradient(145deg,#13271f,#132236)}html[data-theme="dark"] .home-progress--compact{background:#263f58}

@media(max-width:900px){.home-hero-new{grid-template-columns:1fr minmax(180px,.46fr);min-height:350px;padding:34px}.home-hero-new__visual img{width:220px}.home-stats-strip{grid-template-columns:repeat(2,1fr)}.home-today-grid{grid-template-columns:1fr 1fr}.home-today-card--homework{grid-column:1/-1}.home-learning-grid--new{grid-template-columns:1fr 1fr}.home-learning-grid--new .home-route-card:last-child{grid-column:1/-1}}
@media(max-width:640px){.home-dashboard{padding-left:14px!important;padding-right:14px!important}.home-hero-new{display:block;min-height:0;margin-top:18px;padding:26px 22px 0;border-radius:24px}.home-hero-new h1{font-size:2.35rem}.home-hero-new__next{margin-top:22px}.home-hero-new__actions{align-items:flex-start;flex-direction:column;gap:10px}.home-continue{width:100%;justify-content:center}.home-next-rank{padding-bottom:4px}.home-hero-new__visual{min-height:210px;margin-top:8px}.home-hero-new__visual img{width:205px;max-height:230px}.home-mascot-orbit--one{width:190px;height:190px;right:15%}.home-stats-strip{grid-template-columns:1fr 1fr;margin-bottom:34px}.home-stat-chip{padding:13px 12px}.home-stat-chip--xp{grid-column:1/-1;grid-row:2}.home-stat-chip__icon{width:34px;height:34px;flex-basis:34px}.home-today-grid,.home-learning-grid--new{grid-template-columns:1fr}.home-today-card--homework,.home-learning-grid--new .home-route-card:last-child{grid-column:auto}.home-today-card{min-height:188px}.home-learning-grid--new .home-route-card{min-height:185px}.home-section-heading--simple{align-items:flex-start}.home-section-heading--simple .text-link{margin-top:4px}}
@media(max-width:420px){.home-hero-new h1{font-size:2rem}.home-stats-strip{grid-template-columns:1fr}.home-stat-chip--xp{grid-column:auto;grid-row:auto}.home-stat-chip__top>span{display:none}.home-route-card__visual{width:48px;height:48px;font-size:1.35rem!important}}


/* =========================================================
   APCHESS UI refresh · Progress + Puzzles · 2026-09-19
   ========================================================= */
.progress-dashboard-v2{max-width:1220px!important}
.progress-overview-v2{display:grid;grid-template-columns:minmax(290px,.78fr) minmax(560px,1.22fr);gap:28px;align-items:stretch;margin:34px 0 8px;padding:clamp(24px,3.6vw,38px);border:1px solid #d8e7f2;border-radius:28px;background:linear-gradient(135deg,#f9fcff 0%,#eef8ff 62%,#e7f4fc 100%);box-shadow:0 16px 44px rgba(16,49,91,.07)}
.progress-overview-v2 .progress-hero{min-height:0;padding:0;border:0;align-items:center}.progress-overview-v2 .progress-hero h1{margin:3px 0 8px;color:var(--apc-navy);font-size:clamp(2.2rem,4.2vw,3.45rem);line-height:1;letter-spacing:-.055em}.progress-overview-v2 .progress-hero p:last-child{max-width:470px;margin:0;color:var(--apc-muted);font-size:.93rem;line-height:1.55}
.progress-overview-v2 .progress-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;padding:0}.progress-overview-v2 .progress-stats .stat{display:flex;align-items:center;gap:12px;min-width:0;padding:15px 16px;border:1px solid rgba(179,208,228,.8);border-radius:18px;background:rgba(255,255,255,.78);box-shadow:none;text-align:left}.progress-overview-v2 .progress-stats .stat>div{min-width:0}.progress-overview-v2 .progress-stats .stat b{display:block;margin:0;color:var(--apc-navy);font-size:1.35rem;line-height:1.05}.progress-overview-v2 .progress-stats .stat div>span{display:block;margin-top:4px;color:#7f94a6;font-size:.72rem;font-weight:750;white-space:normal}.progress-stat-icon{display:grid;flex:0 0 37px;width:37px;height:37px;place-items:center;border-radius:12px;color:#17649e;background:#e7f3fb;font-size:.95rem;font-weight:900}
.progress-status-section{padding-top:42px}.progress-xp-card{border-radius:24px!important;box-shadow:0 10px 30px rgba(16,49,91,.06)!important}.progress-xp-card>div{position:relative;z-index:1}.progress-achievements-head{margin-top:34px}.ach-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.ach-item,.achievement{min-height:116px!important;padding:16px!important;border-radius:18px!important;box-shadow:0 6px 18px rgba(16,49,91,.045)!important}.ach-item .ach-icon{font-size:1.7rem!important}.ach-item b{font-size:.91rem}.ach-item .ach-desc,.ach-item .ach-lock{font-size:.73rem!important;line-height:1.35}
.progress-primary-grid{gap:16px;padding-block:38px}.progress-primary-grid .card{border-radius:22px!important;box-shadow:0 8px 24px rgba(16,49,91,.055)!important}.progress-quest-card,.progress-rating-card{padding:22px!important}
.rank-map-section{max-width:none!important;padding-top:14px}.rank-map-card{border-radius:22px!important;box-shadow:0 8px 24px rgba(16,49,91,.045)!important}.rank-map-card summary{padding:19px 22px}.rank-route{grid-template-columns:repeat(5,1fr)}
.progress-insights-v2{gap:16px;padding-block:38px}.progress-insights-v2>div{min-width:0}.progress-insight-card{height:calc(100% - 46px);min-height:180px;padding:20px!important;border-radius:22px!important;box-shadow:0 8px 24px rgba(16,49,91,.05)!important}.progress-insight-card .weak-empty{height:100%;display:flex;align-items:center}.progress-library-section{padding-block:30px}.progress-library-section .grid{gap:14px}.progress-library-section .prog-card{border-radius:20px!important;box-shadow:0 7px 20px rgba(16,49,91,.045)!important;transition:transform .18s ease,box-shadow .18s ease}.progress-library-section .prog-card:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(16,49,91,.075)!important}
#lbSection{padding-top:28px}#lbSection>.section-title{margin-bottom:16px!important}.progress-leaderboard-card{box-shadow:0 10px 28px rgba(16,49,91,.055)!important}
html[data-theme="dark"] .progress-overview-v2{border-color:#29445e;background:linear-gradient(135deg,#132236,#152b42 62%,#173650)}html[data-theme="dark"] .progress-overview-v2 .progress-stats .stat{border-color:#29445e;background:rgba(19,34,54,.78)}html[data-theme="dark"] .progress-overview-v2 .progress-hero h1,html[data-theme="dark"] .progress-overview-v2 .progress-stats .stat b{color:var(--apc-ink)}html[data-theme="dark"] .progress-stat-icon{color:#8bc8f2;background:#213a53}

.puzzles-page-v2{max-width:1220px!important}.puzzles-hero-v2{position:relative;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(220px,.45fr);min-height:300px;overflow:hidden;margin:30px 0 34px;padding:clamp(28px,4vw,46px);border:1px solid #d8e7f2;border-radius:28px;background:linear-gradient(135deg,#f9fcff 0%,#eef8ff 58%,#e4f3fd 100%);box-shadow:0 16px 44px rgba(16,49,91,.07)}.puzzles-hero-v2__copy{position:relative;z-index:2;align-self:center;max-width:720px}.puzzles-hero-v2 h1{margin:4px 0 10px;color:var(--apc-navy);font-size:clamp(2.35rem,4.4vw,3.7rem);line-height:1;letter-spacing:-.055em}.puzzles-hero-v2 p:not(.eyebrow){max-width:640px;margin:0;color:var(--apc-muted);font-size:.95rem;line-height:1.55}.puzzles-hero-v2__chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.puzzles-hero-v2__chips span{padding:7px 10px;border:1px solid #d5e5f0;border-radius:999px;color:#55748d;background:rgba(255,255,255,.72);font-size:.72rem;font-weight:800}.puzzles-hero-v2__visual{position:relative;display:grid;place-items:end center;min-height:220px}.puzzles-hero-v2__visual img{position:relative;z-index:2;width:min(100%,205px);max-height:235px;object-fit:contain;filter:drop-shadow(0 16px 18px rgba(13,49,91,.16))}.puzzles-hero-v2__halo{position:absolute;width:210px;height:210px;right:3%;bottom:1%;border-radius:50%;background:rgba(255,255,255,.7);box-shadow:0 16px 46px rgba(43,118,171,.08)}
.puzzles-library-v2{padding-bottom:62px!important}.puzzles-section-head-v2{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:4px auto 18px;max-width:1180px}.puzzles-section-head-v2 h2{margin:2px 0 4px;color:var(--apc-navy);font-size:clamp(1.45rem,2.4vw,1.9rem);letter-spacing:-.035em}.puzzles-section-head-v2 p:last-child{margin:0;color:var(--apc-muted);font-size:.84rem}
.puzzles-library-v2 #pickerList{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:1180px;margin:0 auto}.puzzles-library-v2 .book-card{position:relative!important;display:flex;flex-direction:column;gap:16px;min-width:0;max-width:none;margin:0;padding:18px;border:1px solid #dce8f1;border-radius:22px!important;background:var(--apc-surface);box-shadow:0 8px 24px rgba(16,49,91,.05);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.puzzles-library-v2 .book-card:hover{transform:translateY(-3px);border-color:#a6cfea;box-shadow:0 14px 30px rgba(16,49,91,.085)}.puzzles-library-v2 .book-card>img,.puzzles-library-v2 .book-card>.cover-ph{width:100%;max-width:none;height:168px;min-height:168px;object-fit:cover;border-radius:15px;box-shadow:none}.puzzles-library-v2 .book-card>.cover-ph{background:linear-gradient(145deg,#1769b0,#0b3f73);font-size:3.2rem}.puzzles-library-v2 .book-card .bi{display:flex;flex:1;flex-direction:column;justify-content:flex-start}.puzzles-library-v2 .book-card h3{margin:0 0 5px;color:var(--apc-navy);font-size:1.15rem;line-height:1.25}.puzzles-library-v2 .book-card .meta{margin:0 0 10px;font-size:.79rem;line-height:1.4}.puzzles-library-v2 .book-card .bar{height:7px;margin:10px 0 6px;background:#e6eff6}.puzzles-library-v2 .book-card .bar i{background:linear-gradient(90deg,#1f8bd1,#66c0ee)}.puzzles-library-v2 .book-card .prog{font-size:.75rem}.puzzles-library-v2 .book-card .go{width:100%;margin-top:auto;padding:9px 12px;text-align:center;border:1px solid #add0e9;border-radius:12px;color:var(--apc-blue-strong);background:#f4faff;font-size:.82rem}.puzzles-library-v2 .book-card:hover .go{color:#fff;background:var(--apc-blue)}
.puzzles-library-v2 .bk-daily,.puzzles-library-v2 .bk-gexam{grid-column:1/-1;min-height:0;flex-direction:row;align-items:center;padding:20px 22px}.puzzles-library-v2 .bk-daily{border-color:#f0d38f!important;background:linear-gradient(135deg,#fffdf7,#fff8e6)!important}.puzzles-library-v2 .bk-daily .bi,.puzzles-library-v2 .bk-gexam .bi{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:24px;align-items:center}.puzzles-library-v2 .bk-daily h3,.puzzles-library-v2 .bk-gexam h3{grid-column:1}.puzzles-library-v2 .bk-daily .meta,.puzzles-library-v2 .bk-gexam .meta,.puzzles-library-v2 .bk-daily .prog,.puzzles-library-v2 .bk-gexam .prog{grid-column:1}.puzzles-library-v2 .bk-daily .go,.puzzles-library-v2 .bk-gexam .go{grid-column:2;grid-row:1/5;align-self:center;width:auto;min-width:180px;margin:0;padding:10px 16px}
.puzzles-library-v2 .rep-block{display:grid;grid-template-columns:minmax(0,1fr) minmax(230px,.42fr);column-gap:24px;align-items:center;max-width:1180px;margin:0 auto 28px;padding:20px 22px;border:1px solid #c9dfef!important;border-radius:22px!important;background:linear-gradient(135deg,#f8fcff,#eef8ff)!important;box-shadow:0 8px 24px rgba(16,49,91,.045)}.puzzles-library-v2 .rep-head{margin-bottom:5px;color:var(--apc-navy);font-size:1rem;font-weight:850}.puzzles-library-v2 .rep-note{grid-column:1;color:var(--apc-muted);font-size:.79rem;line-height:1.45}.puzzles-library-v2 #repList{grid-column:2;grid-row:1/3}.puzzles-library-v2 .rep-item{width:100%;min-height:64px;border:1px solid #a9cee8!important;border-radius:14px!important;background:#fff!important;box-shadow:none!important}.puzzles-library-v2 .rep-item b{color:var(--apc-blue-strong)}
.stage-view-v2{padding:10px 0 52px}.stage-view-v2 #stageList{max-width:1180px!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:14px!important}.stage-view-v2 .stage-card{padding:18px;border:1px solid #dce8f1!important;border-radius:22px!important;background:var(--apc-surface)!important;box-shadow:0 8px 24px rgba(16,49,91,.05)!important}.stage-view-v2 .stage-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(16,49,91,.085)!important}.stage-view-v2 .stage-card img,.stage-view-v2 .stage-card .cover-ph{max-width:145px}.stage-view-v2 .stage-card h3{font-size:1.08rem}.stage-view-v2 .stage-wide{grid-column:1/-1!important;min-height:100px}.stage-view-v2 .stage-wide img,.stage-view-v2 .stage-wide .cover-ph{display:none}
.book-reader-v2 .training-context{max-width:1220px;margin-top:28px;border-radius:18px;box-shadow:0 7px 22px rgba(16,49,91,.045)}.book-reader-v2 .training-workspace{grid-template-columns:205px minmax(500px,700px) minmax(300px,360px);gap:18px;max-width:1280px;margin:0 auto}.book-reader-v2 .training-rail{padding:12px!important;border:1px solid #dce8f1!important;box-shadow:0 7px 22px rgba(16,49,91,.04)}.book-reader-v2 .training-board-zone .board-frame{border:1px solid #dce8f1;border-radius:20px!important;box-shadow:0 12px 32px rgba(16,49,91,.08)!important}.book-reader-v2 .training-task-panel{border:1px solid #dce8f1!important;border-radius:20px!important;box-shadow:0 10px 28px rgba(16,49,91,.065)!important}
html[data-theme="dark"] .puzzles-hero-v2{border-color:#29445e;background:linear-gradient(135deg,#132236,#152b42 58%,#173650)}html[data-theme="dark"] .puzzles-hero-v2 h1,html[data-theme="dark"] .puzzles-section-head-v2 h2,html[data-theme="dark"] .puzzles-library-v2 .book-card h3,html[data-theme="dark"] .puzzles-library-v2 .rep-head{color:var(--apc-ink)}html[data-theme="dark"] .puzzles-hero-v2__chips span,html[data-theme="dark"] .puzzles-library-v2 .rep-item{border-color:#345570;background:#172b41!important}html[data-theme="dark"] .puzzles-library-v2 .book-card{border-color:#29445e;background:#132236}html[data-theme="dark"] .puzzles-library-v2 .bk-daily{border-color:#6c5930!important;background:linear-gradient(135deg,#272418,#211f17)!important}html[data-theme="dark"] .puzzles-library-v2 .rep-block{border-color:#29445e!important;background:linear-gradient(135deg,#132236,#172d44)!important}html[data-theme="dark"] .book-reader-v2 .training-rail,html[data-theme="dark"] .book-reader-v2 .training-board-zone .board-frame,html[data-theme="dark"] .book-reader-v2 .training-task-panel{border-color:#29445e!important}

@media(max-width:980px){.progress-overview-v2{grid-template-columns:1fr}.progress-overview-v2 .progress-hero{padding-bottom:4px}.ach-grid{grid-template-columns:repeat(2,1fr)}.rank-route{grid-template-columns:repeat(2,1fr)}.puzzles-hero-v2{grid-template-columns:1fr minmax(170px,.34fr)}.puzzles-library-v2 #pickerList{grid-template-columns:repeat(2,minmax(0,1fr))}.puzzles-library-v2 .book-card:not(.bk-daily):not(.bk-gexam):last-of-type{grid-column:auto}.stage-view-v2 #stageList{grid-template-columns:repeat(2,minmax(0,1fr))!important}.book-reader-v2 .training-workspace{grid-template-columns:1fr!important}}
@media(max-width:700px){.progress-overview-v2{margin-top:18px;padding:22px 18px;border-radius:22px}.progress-overview-v2 .progress-stats{grid-template-columns:1fr 1fr}.progress-primary-grid,.progress-insights-v2{grid-template-columns:1fr}.ach-grid{grid-template-columns:1fr 1fr}.rank-route{grid-template-columns:1fr}.puzzles-page-v2{padding-left:14px!important;padding-right:14px!important}.puzzles-hero-v2{display:block;min-height:0;margin:18px 0 28px;padding:24px 20px 0;border-radius:22px}.puzzles-hero-v2 h1{font-size:2.35rem}.puzzles-hero-v2__visual{min-height:170px;margin-top:8px}.puzzles-hero-v2__visual img{width:165px;max-height:180px}.puzzles-hero-v2__halo{width:160px;height:160px;right:25%}.puzzles-library-v2 .rep-block{grid-template-columns:1fr;gap:14px}.puzzles-library-v2 .rep-note,.puzzles-library-v2 #repList{grid-column:1;grid-row:auto}.puzzles-library-v2 #pickerList,.stage-view-v2 #stageList{grid-template-columns:1fr!important}.puzzles-library-v2 .bk-daily,.puzzles-library-v2 .bk-gexam{display:block}.puzzles-library-v2 .bk-daily .bi,.puzzles-library-v2 .bk-gexam .bi{display:block}.puzzles-library-v2 .bk-daily .go,.puzzles-library-v2 .bk-gexam .go{width:100%;margin-top:14px}.puzzles-library-v2 .book-card>img,.puzzles-library-v2 .book-card>.cover-ph{height:150px;min-height:150px}.stage-view-v2 .stage-wide{display:block;text-align:center}}
@media(max-width:430px){.progress-overview-v2 .progress-stats{grid-template-columns:1fr}.ach-grid{grid-template-columns:1fr}.puzzles-hero-v2__chips span{font-size:.68rem}.puzzles-library-v2 .book-card{padding:16px}}

/* Endgame card on redesigned home */
@media(min-width:901px){.home-learning-grid--new{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(min-width:641px) and (max-width:900px){.home-learning-grid--new .home-route-card:last-child{grid-column:auto}}
/* Parent card for the complete Ivashchenko task collection. */
.puzzles-library-v2 #pickerList .book-card--series{grid-column:1/-1;flex-direction:row;align-items:center;max-width:760px;margin:0 auto 4px;padding:22px 26px}
@media(max-width:700px){.puzzles-library-v2 #pickerList .book-card--series{flex-direction:column;align-items:stretch;max-width:none;padding:16px}}