/* ===== Общая светлая тема портала (для 5 класса) ===== */
:root{
  --bg:#eef7ff;--ink:#1e293b;--muted:#64748b;
  --blue:#2563eb;--blue-d:#1e40af;--sky:#e0f2fe;--line:#bfdbfe;
  --ok:#15803d;--err:#dc2626;
  --a:#16a34a;--a-bg:#dcfce7;--b:#ea580c;--b-bg:#ffedd5;--c:#c026d3;--c-bg:#fae8ff;
}
*{box-sizing:border-box}
body{margin:0;padding:14px;font-family:'Nunito',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--ink);line-height:1.6;
  background-color:var(--bg);background-image:radial-gradient(#cfe6ff 2px,transparent 2px);background-size:26px 26px}
.wrapper{max-width:950px;margin:0 auto}
button{font-family:inherit}
:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}

header{background:linear-gradient(100deg,#38bdf8,#8b5cf6);color:#fff;padding:16px 22px;border-radius:20px;margin-bottom:18px;box-shadow:0 6px 0 rgba(30,64,175,.25)}
.teacher-name{margin:0;font-size:19px;font-weight:800}
.card{background:#fff;padding:24px;border-radius:24px;margin-bottom:20px;border:3px solid var(--line);box-shadow:0 7px 0 rgba(37,99,235,.14)}
h2{font-size:24px;font-weight:800;color:var(--blue-d);margin:0 0 6px;padding-bottom:10px;border-bottom:3px dashed var(--line)}
h3{font-size:19px;font-weight:800;color:#7c3aed;margin:28px 0 10px}
p,li{font-size:16px;color:#334155}
.back-btn{display:inline-block;margin-bottom:14px;padding:8px 18px;border-radius:30px;background:var(--sky);color:var(--blue-d);font-weight:800;font-size:14px;text-decoration:none;border:2px solid var(--line);transition:.15s}
.back-btn:hover{background:var(--blue);color:#fff}

/* Лекция: цветные карточки */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:18px 0}
.info-card{border-radius:18px;padding:16px 18px;border:3px solid;background:var(--sky);border-color:#7dd3fc}
.info-card:nth-child(2){background:#fef9c3;border-color:#fde047}
.info-card:nth-child(3){background:#fce7f3;border-color:#f9a8d4}
.info-card-title{font-weight:800;font-size:17px;margin-bottom:6px}
.rule{border-radius:16px;background:#fef08a;padding:12px 18px;font-weight:800;color:#713f12;transform:rotate(-.4deg);margin:16px 0}
.steps{padding-left:22px}

/* Таблица разрядов */
.table-responsive,.ray-wrap{overflow-x:auto;margin:12px 0}
.place-table{width:100%;min-width:560px;border-collapse:separate;border-spacing:4px;text-align:center;font-size:14px}
.place-table th{background:var(--sky);color:var(--blue-d);padding:8px;border-radius:10px;font-weight:800}
.place-table td{padding:10px;border-radius:10px;background:#f1f5f9;color:#94a3b8}
.place-table td.on{font-weight:800;font-size:22px;color:hsl(var(--h) 70% 32%);background:hsl(var(--h) 90% 88%);animation:pop .3s}
.demo{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-weight:800}
.demo input{width:170px;font:inherit;font-size:18px;font-weight:800;padding:8px 14px;border:3px solid #93c5fd;border-radius:14px;color:var(--ink)}
.demo-words{text-align:center;font-weight:700;color:#475569;min-height:2.4em}

/* Помощник-сова и путь из звёздочек */
.coach{position:sticky;top:8px;z-index:5;background:#fff;border:3px solid #fbbf24;border-radius:20px;padding:10px 14px;margin:16px 0;box-shadow:0 5px 0 rgba(245,158,11,.25)}
.coach-top{display:flex;align-items:center;gap:12px}
.owl{font-size:40px;line-height:1}
.owl.hop{animation:hop .5s}
.bubble{flex:1;background:#fffbeb;border-radius:14px;padding:6px 12px;font-weight:800;font-size:15px;color:#78350f}
.coach-stats{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:8px;font-size:14px;font-weight:800;color:#475569}
.path{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.dot{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:800;background:#e2e8f0;color:#64748b;transition:.3s}
.dot.done{background:#fde047;color:#713f12;transform:scale(1.12);box-shadow:0 0 0 3px #fef08a}

#win{display:none;text-align:center;padding:18px;margin-top:16px;border:3px dashed #22c55e;border-radius:18px;background:#f0fdf4;color:var(--ok);font-weight:800;animation:pop .4s}

/* Кнопки */
.filter-container{display:flex;gap:10px;margin:16px 0;flex-wrap:wrap}
.filter-btn,.check-btn{border:none;border-radius:14px;font-weight:800;cursor:pointer;transition:.12s}
.filter-btn{background:#fff;color:var(--blue-d);padding:9px 16px;border:2.5px solid var(--line);box-shadow:0 3px 0 var(--line)}
.filter-btn:hover,.filter-btn.active{background:var(--blue);color:#fff;border-color:var(--blue-d);box-shadow:0 3px 0 var(--blue-d)}
.check-btn{background:#22c55e;color:#fff;padding:11px 22px;font-size:15px;box-shadow:0 4px 0 #15803d}
.check-btn:hover:not(:disabled){filter:brightness(1.06)}
.check-btn:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px 0 #15803d}
.check-btn:disabled{background:#86efac;box-shadow:none;cursor:default;color:#14532d}
.refresh{width:44px;height:44px;border-radius:50%;border:none;background:#8b5cf6;color:#fff;font-size:22px;cursor:pointer;box-shadow:0 4px 0 #6d28d9;transition:.12s}
.refresh:active{transform:translateY(3px);box-shadow:0 1px 0 #6d28d9}
.refresh.spin{animation:spin .5s}

/* Задания */
.task-box{position:relative;background:#fff;border:3px solid var(--line);border-left-width:10px;border-radius:20px;padding:18px 20px;margin-top:16px;transition:.2s}
.task-box[data-level=a]{border-left-color:var(--a)}
.task-box[data-level=b]{border-left-color:var(--b)}
.task-box[data-level=c]{border-left-color:var(--c)}
.task-box[hidden]{display:none}
.task-box.solved{background:#f0fdf4;border-color:#86efac}
.task-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.num{font-size:13px;color:var(--muted);font-weight:700}
.task-badge{font-size:12px;font-weight:800;padding:4px 12px;border-radius:20px}
.badge-a{background:var(--a-bg);color:var(--a)}
.badge-b{background:var(--b-bg);color:var(--b)}
.badge-c{background:var(--c-bg);color:var(--c)}
.task-condition{display:flex;gap:10px;font-size:17px;font-weight:700;margin-bottom:12px}
.ic{font-size:28px;line-height:1.2}
.tiles{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}
.tile{width:40px;height:48px;display:grid;place-items:center;font-size:24px;font-weight:800;border-radius:12px;color:hsl(var(--h) 70% 30%);
  background:hsl(var(--h) 90% 88%);border:2.5px solid hsl(var(--h) 70% 62%);box-shadow:0 3px 0 hsl(var(--h) 70% 62%);animation:pop .35s both}
.tiles .gap{width:10px}
.task-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.task-input{flex:1 1 180px;max-width:270px;font:inherit;font-size:17px;font-weight:700;padding:10px 14px;border:3px solid #93c5fd;border-radius:14px;color:var(--ink);background:#fff}
.task-input:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 4px rgba(37,99,235,.15)}
.feedback{margin-top:10px;font-weight:800;min-height:1.4em}
.feedback.correct{color:var(--ok)}
.feedback.incorrect{color:var(--err)}
.feedback small{display:block;color:#92400e;background:#fef3c7;border-radius:10px;padding:4px 10px;margin-top:6px;font-weight:700}

/* Координатный луч (для темы 1.2) */
.ray{display:block;width:100%;min-width:480px;height:auto}
.ray .tk{font-size:15px;fill:#475569;text-anchor:middle;font-weight:700}
.ray .pl{font-size:19px;font-weight:800;text-anchor:middle}

.shake{animation:shake .35s}
.burst{position:absolute;left:50%;top:50%;pointer-events:none;font-size:22px;animation:fly .9s ease-out forwards}
@keyframes pop{from{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@keyframes hop{30%{transform:translateY(-12px) rotate(-8deg)}60%{transform:translateY(0) rotate(6deg)}}
@keyframes fly{to{transform:translate(var(--dx),var(--dy)) rotate(240deg);opacity:0}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media (max-width:520px){.owl{font-size:32px}.card{padding:18px}}

/* ===== Урок, результат и рабочая карточка (используется portal.js) ===== */
.small{font-size:13px;color:var(--muted);font-weight:700}
.lesson{background:#ecfeff;border:3px solid #a5f3fc;border-radius:16px;padding:10px 16px;font-weight:700;color:#155e75;margin:14px 0;font-size:15px}
.result{background:#f0f9ff;border:3px solid var(--line);border-radius:20px;padding:16px 20px;margin-top:20px}
.result h3{margin:0 0 8px}
.result label{font-weight:800;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.r-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin:12px 0 6px}
.r-grid div{background:#fff;border-radius:14px;padding:8px;text-align:center;border:2px solid var(--line)}
.r-grid b{display:block;font-size:24px;color:var(--blue-d);line-height:1.3}
.r-grid small{font-weight:700;color:var(--muted)}
.tools{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:18px;padding:12px 16px;border:3px dashed #cbd5e1;border-radius:16px}
.tool-btn{border:none;border-radius:14px;background:#8b5cf6;color:#fff;font-weight:800;padding:10px 18px;font-size:14px;cursor:pointer;box-shadow:0 4px 0 #6d28d9}
.tool-btn:active{transform:translateY(3px);box-shadow:0 1px 0 #6d28d9}
#print-sheet{display:none}

@page{size:A4;margin:12mm}
@media print{
  body.printing{background:#fff!important;padding:0!important}
  body.printing>*:not(#print-sheet){display:none!important}
  body.printing #print-sheet{display:block;color:#000;font-size:12pt;line-height:1.35}
  body.printing *{-webkit-print-color-adjust:exact;print-color-adjust:exact;animation:none!important}
  .ps-head{display:flex;justify-content:space-between;align-items:flex-end;border-bottom:2px solid #000;padding-bottom:5pt}
  .ps-h1{font-size:18pt;font-weight:800}
  .ps-var{font-weight:800;border:1.5px solid #000;border-radius:6pt;padding:3pt 8pt}
  .ps-name{margin:10pt 0 12pt;white-space:nowrap}
  .ps-line{display:inline-block;border-bottom:1px solid #000;height:12pt;vertical-align:bottom}
  .ps-line.w1{width:220pt}.ps-line.w2{width:70pt}.ps-line.w3{width:34pt}.ps-line.w4{width:170pt}
  .ps-task{display:flex;gap:10pt;break-inside:avoid;margin-bottom:9pt;padding-bottom:7pt;border-bottom:1px dotted #888}
  .ps-n{flex:none;width:28pt;text-align:center;font-weight:800;font-size:16pt}
  .ps-n small{display:block;font-size:8pt;letter-spacing:1px}
  .ps-body{flex:1}
  .ps-q{font-weight:700}
  .ps-ans{margin-top:7pt;font-weight:700}
  .ps-ans.key{color:#065f46;font-size:13pt}
  .ps-body .tiles{margin:5pt 0 0}
  .ps-body .tile{width:25pt;height:30pt;font-size:14pt;box-shadow:none;border-radius:6pt}
  .ps-body .ray-wrap{border:none;padding:0;margin:4pt 0 0;background:none;overflow:visible}
  .ps-body .ray{min-width:0;width:100%;max-width:400pt}
  .ps-foot{margin-top:8pt;font-size:8.5pt;color:#444;text-align:center}
}