/* ============================================================
   DanilaMaster.tech — стиль «технокот»
   Палитра Новатек Групп (снята с novatec-group.ru):
   #035AAA фирменный · #013B6F глубокий · #225380 · #4479AA ·
   #DAE8F5 светлый подложка · белый · серые #333/#666
   + тёплый рыжий акцент кота Мурр Муррыча (#E0802A / #B4631C)

   Три темы через атрибут data-theme на <html>:
     dark  (по умолчанию) — техно-ночь, Linear-подход
     light — светлая, для печати
     cream — «кофейный крем», выбеленная бумага для чтения
   Режим чтения статей: прокрутка (по умолчанию) или книга
   с перелистыванием страниц (data-read="book").
   ============================================================ */

/* ---------- общие токены (не зависят от темы) ---------- */
:root {
  --nova: #035AAA;
  --nova-deep: #013B6F;
  --nova-mid: #225380;
  --nova-soft: #4479AA;
  --nova-tint: #DAE8F5;
  --cat: #E0802A;
  --cat-deep: #B4631C;
  --cat-hover: #F2923D;
  --cat-glow: rgba(224, 128, 42, 0.28);
  --radius-sm: 8px;
  --radius: 10px;
  --radius-lg: 20px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --serif: 'PT Serif', Georgia, serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ============================================================
   ТЕМА 1 — тёмная (техно-ночь), по умолчанию
   ============================================================ */
:root,
:root[data-theme="dark"] {
  --bg: #0b1220;
  --bg-panel: #101a2e;
  --bg-card: #16233c;
  --bg-elev: #1d2f4e;
  --ink: #f0f5fb;
  --ink-dim: #a8bcd4;
  --ink-soft: #6c80a0;
  --line: rgba(218, 232, 245, 0.14);
  --line-strong: rgba(218, 232, 245, 0.28);
  --nav-bg: rgba(11, 18, 32, 0.85);
  --grid-line: rgba(218, 232, 245, 0.045);
  --on-accent: #fff;
  --embed-bg: #ffffff;
  --num-accent: #7fc2ff;
  --hl: #ffd9a8;
  --grad-a: #5fb3ff;
  --grad-b: #7fc2ff;
  --ghost-bg: rgba(218, 232, 245, 0.05);
  --ghost-bg-hover: rgba(218, 232, 245, 0.10);
  --ok-bg: rgba(39, 166, 68, 0.14);
  --ok-ink: #b8ecc4;
  --ok-border: rgba(39, 166, 68, 0.40);
  --danger-bg: rgba(190, 60, 60, 0.15);
  --danger-ink: #ff9d9d;
  --danger-border: rgba(255, 120, 120, 0.35);
  --card-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.55), 0 2px 6px -2px rgba(0, 0, 0, 0.45);
  --book-cover-shadow: 0 18px 40px -14px rgba(0, 0, 0, 0.75), -4px 0 10px rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

/* ============================================================
   ТЕМА 2 — светлая (печать)
   ============================================================ */
:root[data-theme="light"] {
  --bg: #ffffff;
  --bg-panel: #f4f6f9;
  --bg-card: #ffffff;
  --bg-elev: #eef2f7;
  --ink: #1a2129;
  --ink-dim: #4a5565;
  --ink-soft: #77828f;
  --line: rgba(3, 45, 90, 0.12);
  --line-strong: rgba(3, 45, 90, 0.24);
  --nav-bg: rgba(255, 255, 255, 0.85);
  --grid-line: rgba(3, 60, 110, 0.06);
  --on-accent: #fff;
  --embed-bg: #ffffff;
  --num-accent: #035AAA;
  --hl: #06477c;
  --grad-a: #2f7bc0;
  --grad-b: #c96442;
  --ghost-bg: rgba(3, 45, 90, 0.05);
  --ghost-bg-hover: rgba(3, 45, 90, 0.10);
  --ok-bg: rgba(22, 128, 52, 0.10);
  --ok-ink: #0f7a2e;
  --ok-border: rgba(22, 128, 52, 0.40);
  --danger-bg: rgba(180, 40, 40, 0.08);
  --danger-ink: #a32020;
  --danger-border: rgba(180, 40, 40, 0.35);
  --card-shadow: 0 10px 25px -10px rgba(3, 45, 90, 0.12), 0 1px 3px rgba(3, 45, 90, 0.05);
  --book-cover-shadow: 0 16px 36px -12px rgba(3, 45, 90, 0.28), -4px 0 8px rgba(3, 45, 90, 0.12);
  color-scheme: light;
}

/* ============================================================
   ТЕМА 3 — кофейный крем (выбеленная бумага для чтения)
   ============================================================ */
:root[data-theme="cream"] {
  --bg: #f3ead9;
  --bg-panel: #efe4cf;
  --bg-card: #faf3e3;
  --bg-elev: #f7ecd7;
  --ink: #3a2f22;
  --ink-dim: #6b5c48;
  --ink-soft: #93836b;
  --line: rgba(90, 64, 30, 0.18);
  --line-strong: rgba(90, 64, 30, 0.30);
  --nav-bg: rgba(243, 234, 217, 0.88);
  --grid-line: rgba(120, 84, 40, 0.06);
  --on-accent: #fff;
  --embed-bg: #fbf5e6;
  --num-accent: #7a4a12;
  --hl: #8a4b13;
  --grad-a: #8a5a2a;
  --grad-b: #a3562f;
  --ghost-bg: rgba(90, 64, 30, 0.06);
  --ghost-bg-hover: rgba(90, 64, 30, 0.11);
  --ok-bg: rgba(120, 140, 40, 0.12);
  --ok-ink: #576b1f;
  --ok-border: rgba(120, 140, 40, 0.40);
  --danger-bg: rgba(150, 60, 30, 0.10);
  --danger-ink: #a33e1b;
  --danger-border: rgba(150, 60, 30, 0.35);
  --card-shadow: 0 10px 25px -10px rgba(90, 64, 30, 0.16), 0 1px 3px rgba(90, 64, 30, 0.06);
  --book-cover-shadow: 0 16px 36px -12px rgba(90, 64, 30, 0.30), -4px 0 8px rgba(90, 64, 30, 0.14);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column; min-height: 100vh;
  transition: background 0.25s ease, color 0.25s ease;
}
main { flex: 1; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--ink-dim); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); }

/* ------------------------------------------------------ навигация */
.nav { position: sticky; top: 0; z-index: 50; background: var(--nav-bg);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; font-weight: 600; letter-spacing: -0.01em; }
.brand em { color: var(--nova-soft); font-style: normal; }
.brand-logo { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; flex: 0 0 38px;
  border: 2px solid var(--nova-soft); box-shadow: 0 0 0 3px rgba(3,90,170,0.18); }
.brand-mark { color: var(--cat); font-size: 20px; line-height: 1; }
.nav-links { display: flex; gap: 22px; flex: 1; }
.nav-links a { color: var(--ink-dim); text-decoration: none; font-size: 14.5px; font-weight: 500; }
.nav-links a:hover { color: var(--ink); }

/* ---------- переключатели в верхней строке ---------- */
.nav-ctls { display: flex; align-items: center; gap: 10px; }
.ctl { display: inline-flex; align-items: center; gap: 2px; padding: 3px;
  background: var(--bg-elev); border: 1px solid var(--line-strong); border-radius: 999px; }
.ctl-btn { border: 0; background: transparent; color: var(--ink-soft); cursor: pointer;
  font-size: 15px; line-height: 1; width: 30px; height: 28px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 0.15s ease, color 0.15s ease; }
.ctl-btn:hover { color: var(--ink); }
.ctl-btn.is-on { background: var(--cat); color: #fff; }
.ctl-sep { width: 1px; height: 16px; background: var(--line-strong); margin: 0 3px; }
#readCtl { display: none; }        /* показывается JS только на странице статьи */
#readCtl.is-here { display: inline-flex; }

/* ------------------------------------------------------ кнопки */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: 14.5px; border: 1px solid transparent; cursor: pointer; }
.btn-primary { background: linear-gradient(135deg, var(--nova) 0%, var(--nova-mid) 100%); color: var(--on-accent); }
.btn-primary:hover { filter: brightness(1.12); }
.btn-ghost { background: var(--ghost-bg); color: var(--ink-dim); border: 1px solid var(--line-strong); }
.btn-ghost:hover { color: var(--ink); background: var(--ghost-bg-hover); }
.btn-cat { background: linear-gradient(135deg, var(--cat) 0%, var(--cat-deep) 100%); color: var(--on-accent); }
.btn-cat:hover { filter: brightness(1.1); box-shadow: 0 4px 18px var(--cat-glow); }
.btn-danger { background: var(--danger-bg); color: var(--danger-ink); border: 1px solid var(--danger-border); }
.btn-danger:hover { background: var(--danger-bg); filter: brightness(1.06); }
.btn-sm { padding: 5px 12px; font-size: 13px; border-radius: 6px; }

/* ------------------------------------------------------ hero */
.hero { position: relative; overflow: hidden; padding: 88px 0 74px;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(3, 90, 170, 0.35), transparent 60%),
    radial-gradient(700px 400px at 5% 110%, rgba(224, 128, 42, 0.16), transparent 55%),
    var(--bg); }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: radial-gradient(ellipse at 60% 40%, black 30%, transparent 75%); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; position: relative; }
.hero-kicker { font-family: var(--mono); font-size: 13px; color: var(--cat); letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 14px; }
.hero h1 { font-size: clamp(34px, 4.6vw, 56px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 18px;
  font-weight: 700; }
.hero h1 .grad { background: linear-gradient(100deg, var(--grad-a) 0%, var(--nova-soft) 55%, var(--cat) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 18px; color: var(--ink-dim); max-width: 540px; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-meta { display: flex; gap: 28px; flex-wrap: wrap; font-size: 13.5px; color: var(--ink-soft); }
.hero-meta .mono { color: var(--nova-soft); }
.hero-meta .hero-note { color: var(--ink-dim); border-left: 1px solid var(--line); padding-left: 20px; max-width: 340px; }
.cat-stage { position: relative; text-align: center; }
.cat-stage img { width: min(340px, 88%); border-radius: 16px; border: 1px solid var(--line-strong);
  box-shadow: 0 18px 60px rgba(0,0,0,0.35); background: var(--embed-bg); }
.cat-chip { position: absolute; font-family: var(--mono); font-size: 12px; padding: 6px 12px; border-radius: 999px;
  background: var(--bg-elev); border: 1px solid var(--line-strong); color: var(--ink-dim); }
.cat-chip.tl { top: -8px; left: 4%; }
.cat-chip.br { bottom: -10px; right: 4%; color: var(--cat); border-color: rgba(224,128,42,0.4); }

/* ------------------------------------------------------ секции */
.section { padding: 64px 0; }
.section-title { font-size: 27px; font-weight: 700; letter-spacing: -0.015em; margin: 0 0 8px; }
.section-sub { color: var(--ink-dim); max-width: 620px; margin: 0 0 34px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 30px; }
.section-head h2 { margin: 0; font-size: 26px; letter-spacing: -0.015em; }
.section-head a { color: var(--nova-soft); text-decoration: none; font-size: 14.5px; font-weight: 500; }
.section-head a:hover { color: var(--cat); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; text-decoration: none; color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease; display: block; }
.card:hover { transform: translateY(-3px); border-color: rgba(3, 90, 170, 0.6); background: var(--bg-elev); }
.card .num { font-family: var(--mono); font-size: 12.5px; color: var(--cat); letter-spacing: 0.1em; }
.card h3 { font-size: 17.5px; margin: 8px 0 8px; line-height: 1.35; }
.card p { color: var(--ink-dim); font-size: 14.5px; margin: 0 0 14px; line-height: 1.55; }
.card .more { color: var(--nova-soft); font-size: 14px; font-weight: 600; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card-book { font-size: 12.5px; color: var(--ink-soft); white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; max-width: 55%; }
.card-book::before { content: "📗 "; }

/* аккордеон «Наши книги» — аккуратные карточки, раскрываются по клику */
.acc { display: flex; flex-direction: column; gap: 12px; margin: 6px 0 10px; }
.acc-item { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; }
.acc-item[open] { border-color: rgba(224, 128, 42, 0.5); }
.acc-head { display: flex; align-items: center; gap: 18px; padding: 16px 18px; cursor: pointer;
  list-style: none; user-select: none; }
.acc-head::-webkit-details-marker { display: none; }
.acc-head:hover { background: var(--bg-elev); }
.acc-cover { width: 74px; height: 96px; object-fit: cover; border-radius: 8px;
  border: 1px solid var(--line-strong); background: var(--embed-bg); flex: 0 0 74px;
  box-shadow: 6px 8px 16px -12px rgba(0,0,0,0.5); }
.acc-info { flex: 1; min-width: 0; }
.acc-meta { font-family: var(--mono); font-size: 11.5px; color: var(--cat); letter-spacing: 0.12em;
  text-transform: uppercase; margin-bottom: 3px; }
.acc-info h3 { margin: 0 0 3px; font-size: 19px; line-height: 1.3; letter-spacing: -0.01em; }
.acc-sub { margin: 0; color: var(--ink-dim); font-size: 14px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.acc-arrow { flex: 0 0 auto; color: var(--ink-soft); font-size: 18px;
  transition: transform 0.2s ease; }
.acc-item[open] .acc-arrow { transform: rotate(180deg); }
.acc-body { border-top: 1px solid var(--line); padding: 18px 20px 22px; }
.acc-toc { list-style: none; margin: 0 0 18px; padding: 0; display: grid;
  grid-template-columns: repeat(2, 1fr); gap: 6px 22px; }
.acc-toc a { display: flex; align-items: baseline; gap: 10px; text-decoration: none;
  color: var(--ink-dim); font-size: 14px; padding: 5px 0; border-radius: 6px;
  transition: color 0.15s ease, background 0.15s ease; }
.acc-toc a:hover { color: var(--ink); background: var(--bg-elev); }
.acc-num { font-family: var(--mono); font-size: 12px; color: var(--cat); flex: 0 0 70px; }
.acc-body .btn { margin-top: 4px; }

.bases { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.base-tile { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 14px; text-align: center; }
.base-tile .b { font-family: var(--mono); font-size: 30px; font-weight: 600; color: var(--num-accent); }
.base-tile.hot .b { color: var(--cat); }
.base-tile .lbl { margin-top: 6px; font-size: 13px; color: var(--ink-dim); }

/* «книга оснований» на главной: титульная страница + оглавление (без листания) */
.bases-section { scroll-margin-top: 84px; }
.book-mini { display: grid; grid-template-columns: 300px 1fr; gap: 26px;
  max-width: 860px; margin: 8px auto 30px; align-items: stretch; }
.book-mini-cover { position: relative; display: flex; flex-direction: column; justify-content: space-between;
  background: linear-gradient(160deg, var(--paper) 0%, var(--paper-edge) 60%, var(--paper) 100%);
  color: var(--paper-ink);
  border: 1px solid var(--paper-line); border-radius: 4px 12px 12px 4px;
  padding: 26px 22px 22px; box-shadow: 12px 16px 30px -18px rgba(0,0,0,0.5);
  min-height: 280px; }
.book-mini-cover::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, rgba(80,60,20,0.28), rgba(80,60,20,0.12)); border-radius: 2px; }
.book-mini-kicker { font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--paper-dim); }
.book-mini-title { font-family: var(--serif); font-size: 30px; line-height: 1.14; font-weight: 650;
  color: var(--paper-ink); margin: 12px 0; }
.book-mini-meta { font-size: 13px; line-height: 1.45; color: var(--paper-dim); }
.book-mini-toc { display: flex; flex-direction: column; gap: 6px; }
.book-mini-toc .toc-head { font-family: var(--mono); font-size: 13px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--cat); margin-bottom: 4px; }
.book-mini-toc ol.toc { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 3px;
  counter-reset: none; }
.book-mini-toc ol.toc li { display: flex; }
.book-mini-toc ol.toc a { display: flex; align-items: baseline; gap: 12px; width: 100%;
  padding: 6px 10px; border-radius: 8px; color: var(--ink); text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease; }
.book-mini-toc ol.toc a:hover { background: var(--bg-elev); color: var(--cat); }
.book-mini-toc .toc-n { flex: 0 0 26px; font-family: var(--mono); font-size: 13px; font-weight: 600;
  color: var(--cat); text-align: right; }
.book-mini-toc .toc-t { font-size: 14.5px; line-height: 1.3; }
/* адаптив: обложка над оглавлением на узких экранах */
@media (max-width: 700px) {
  .book-mini { grid-template-columns: 1fr; }
  .book-mini-cover { min-height: 0; }
}

.why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.why .tile { background: rgba(3, 90, 170, 0.08); border: 1px solid rgba(3, 90, 170, 0.3); border-radius: var(--radius); padding: 22px; }
.why .tile h3 { font-size: 16px; margin: 12px 0 8px; }
.why .tile p { color: var(--ink-dim); font-size: 14.5px; margin: 0; line-height: 1.55; }
.why .tile .ic { font-size: 24px; line-height: 1; }

/* ------------------------------------------------------ блог */
.crumbline { font-size: 13px; color: var(--ink-soft); padding: 26px 0 0; }
.crumbline a { color: var(--nova-soft); text-decoration: none; }
.crumbline a:hover { color: var(--cat); }
.story-chip { display: inline-block; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em;
  color: var(--cat); background: rgba(224,128,42,0.12); border: 1px solid rgba(224,128,42,0.3);
  padding: 4px 12px; border-radius: 999px; margin-bottom: 12px; }
.story-hero { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 44px; align-items: center;
  padding: 48px 0 30px; }
.story-hero h1 { font-size: clamp(32px, 4vw, 48px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 12px; }
.story-hero p.lead { color: var(--ink-dim); font-size: 18px; margin: 0 0 18px; max-width: 560px; }
.story-hero-cover { width: 100%; max-width: 380px; border-radius: 14px; justify-self: center;
  box-shadow: var(--book-cover-shadow); display: block; }

.stories { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; padding: 4px 0 30px; }
.story-card { display: grid; grid-template-columns: 150px 1fr; gap: 20px; background: var(--bg-card);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; color: inherit;
  box-shadow: var(--card-shadow);
  transition: transform 0.15s ease, border-color 0.15s ease; }
.story-card:hover { transform: translateY(-3px); border-color: rgba(224, 128, 42, 0.5); box-shadow: 0 6px 24px -6px var(--cat-glow); }
.story-card .story-cover { width: 150px; height: 148px; object-fit: cover; display: block; }
.story-card .story-cover-link { display: block; }
.story-card .story-title { display: block; text-decoration: none; color: inherit; }
.story-body { padding: 16px 18px 14px 0; align-self: center; }
.story-body .num { font-family: var(--mono); font-size: 12px; color: var(--cat); letter-spacing: 0.12em; }
.story-body h3 { margin: 6px 0 8px; font-size: 19px; line-height: 1.3; }
.story-body p { margin: 0 0 12px; color: var(--ink-dim); font-size: 14px; line-height: 1.5; }
.story-links { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.story-body .more { color: var(--nova-soft); font-size: 14px; font-weight: 600; text-decoration: none; }
.story-body .more:hover { text-decoration: underline; }
.story-body .more.pdf { color: var(--cat); }
@media (max-width: 560px) { .story-links { flex-direction: column; align-items: flex-start; gap: 8px; } }

.list-head { padding: 56px 0 26px; }
.list-head h1 { font-size: 38px; letter-spacing: -0.02em; margin: 0 0 10px; }
.list-head p { color: var(--ink-dim); max-width: 640px; margin: 0; }
.chapters { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 10px 0 70px; }
.chapter-card { display: grid; grid-template-columns: 150px 1fr; gap: 20px; background: var(--bg-card);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; color: inherit;
  box-shadow: var(--card-shadow);
  transition: transform 0.15s ease, border-color 0.15s ease; }
.chapter-card:hover { transform: translateY(-3px); border-color: rgba(224, 128, 42, 0.5); box-shadow: 0 6px 24px -6px var(--cat-glow); }
.chapter-card img { width: 150px; height: 112px; object-fit: cover; display: block; }
.chapter-thumb { width: 150px; height: 112px; display: flex; align-items: center; justify-content: center;
  background: var(--bg-elev); border-right: 1px solid var(--line); }
.chapter-thumb-empty span { font-family: var(--mono); font-size: 13px; color: var(--ink-soft); letter-spacing: 0.1em; }
.chapter-body { padding: 16px 18px 14px 0; }
.chapter-body .num { font-family: var(--mono); font-size: 12px; color: var(--cat); letter-spacing: 0.12em; }
.chapter-body h3 { margin: 6px 0 7px; font-size: 17px; line-height: 1.35; }
.chapter-body p { margin: 0; color: var(--ink-dim); font-size: 14px; line-height: 1.5; }

/* ------------------------------------------------------ статья */
.post { max-width: 780px; margin: 0 auto; padding: 52px 0 70px; }
.post .crumb { font-family: var(--mono); font-size: 13px; color: var(--cat); margin-bottom: 14px; }
.post h1 { font-size: 36px; letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 8px; }
.post .post-meta { color: var(--ink-soft); font-size: 14px; margin-bottom: 26px; }
.post .cover { width: 100%; border-radius: 14px; border: 1px solid var(--line-strong); margin-bottom: 26px; background: var(--embed-bg); }
:is(.post, .book-stage .stf-page) .content { font-size: 17px; line-height: 1.75; }
:is(.post, .book-stage .stf-page) .content h2 { font-size: 23px; margin: 30px 0 12px; letter-spacing: -0.01em; }
:is(.post, .book-stage .stf-page) .content h3 { font-size: 19px; margin: 24px 0 10px; }
:is(.post, .book-stage .stf-page) .content p { margin: 0 0 16px; }
:is(.post, .book-stage .stf-page) .content blockquote { border-left: 4px solid var(--cat); margin: 18px 0; padding: 12px 20px;
  background: rgba(224, 128, 42, 0.08); border-radius: 0 8px 8px 0; color: var(--ink-dim); }
:is(.post) .content blockquote p { margin: 0 0 6px; }
:is(.post) .content blockquote p:last-child { margin: 0; }
:is(.post) .content table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 15px;
  display: block; overflow-x: auto; }
:is(.post) .content th { background: var(--bg-elev); text-align: left; padding: 9px 12px; border: 1px solid var(--line-strong); }
:is(.post) .content td { padding: 8px 12px; border: 1px solid var(--line); }
:is(.post) .content code { font-family: var(--mono); font-size: 14px; background: var(--bg-elev); padding: 2px 6px; border-radius: 4px; }
:is(.post) .content strong { color: var(--hl); font-weight: 650; }
:is(.post) .content li { margin: 5px 0; }
:is(.post) .content .md-img { max-width: 100%; border-radius: 12px; border: 1px solid var(--line-strong); margin: 14px 0; }
:is(.post) .content figure { margin: 20px auto; padding: 0 2px; text-align: center; }
:is(.post) .content figure .md-img { width: 100%; height: auto; margin: 0; }
:is(.post) .content figure figcaption { font-size: 13px; color: var(--ink-soft); margin-top: 7px; line-height: 1.45; padding: 0 6px; }
:is(.post) .content .bk-chap-title { font-size: 15px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cat); margin: 6px 0 10px; }
.post-nav { display: flex; justify-content: space-between; gap: 14px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); }
.post-nav a { color: var(--nova-soft); text-decoration: none; font-size: 14.5px; font-weight: 500; }
.post-nav a:hover { color: var(--cat); }

/* ---------- режим чтения: переключение прокрутка/книга ---------- */
#bookStage { display: none; }
body.is-book #bookStage { display: block; }
body.is-book #scrollContent,
body.is-book .story-hero,
body.is-book #chapters,
body.is-book #storyChapters,
body.is-book .post-nav,
body.is-book .crumbline,
body.is-book .story-chip,
body.is-book .hero,
body.is-book .post h1,
body.is-book .post .post-meta,
body.is-book .post .cover {
  display: none !important;
}
.book-wrap { margin: 26px 0 34px; width: 100%; display: flex; flex-direction: column;
  align-items: center; gap: 16px; }

/* книга живёт в потоке статьи, а не поверх сайта: при режиме «книга» прячем
   обычный текст и показываем книгу на его месте, без оверлея и z-index */
#bookStage, .book-wrap { display: none; }
body.is-book #scrollContent, body.is-book .cover { display: none; }
body.is-book #bookStage { display: block; }
body.is-book .book-wrap { display: flex; }

/* книжный режим занимает экран под закреплённым меню: нет вертикальной
   прокрутки страницы и нет футера — книга от меню до низа окна */
body.is-book { overflow: hidden; height: 100vh; }
body.is-book .footer { display: none !important; }
/* растягиваем ТОЛЬКО контент внутри <main>, а не меню/футер:
   .nav-inner тоже носит класс .wrap, поэтому нельзя нацеливаться на .wrap */
body.is-book main .wrap { min-height: calc(100vh - 60px); display: flex;
  flex-direction: column; justify-content: center; align-items: stretch; }
body.is-book main .post { width: 100%; max-width: 1120px; flex: 0 1 auto; align-self: center; }
body.is-book .book-wrap { margin: 0; width: 100%; }
body.is-book .book-stage { overflow: hidden; }
.book { transition: height 0.25s ease; margin: 0 auto; }
.book.edge-jump { animation: edgeJump 0.26s ease; }
@keyframes edgeJump { 0%,100%{transform:none} 30%{transform:rotate(-0.4deg)} 70%{transform:rotate(0.4deg)} }

/* бумага книги (читается в каждой теме) */
:root, :root[data-theme="dark"] { --paper: #4a3a28; --paper-edge: #3a2d1d;
  --paper-ink: #f1e5cc; --paper-dim: #c3b294; --paper-line: rgba(255,214,150,0.22); }
:root[data-theme="light"] { --paper: #ffffff; --paper-edge: #e6e9ee;
  --paper-ink: #1d2430; --paper-dim: #5b6675; --paper-line: rgba(30,50,80,0.22); }
:root[data-theme="cream"] { --paper: #f9f1df; --paper-edge: #eadfc2;
  --paper-ink: #3a2f1e; --paper-dim: #77684b; --paper-line: rgba(100,75,30,0.30); }

/* шапка книги: название главы + «к началу» + закрыть */
.book-wrap { align-items: center; }
.book-head, .book-track, .page-cnt { width: auto; max-width: 100%;
  margin-left: auto; margin-right: auto; }
.book-head { flex: 0 0 auto; display: flex; align-items: center;
  justify-content: space-between; gap: 14px; color: var(--ink);
  min-width: min(100%, 560px); }
.book-chapter { font-size: 15px; font-weight: 650; color: var(--cat);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.book-head-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.book-toc { color: var(--ink-dim); font-size: 13px; font-weight: 600;
  text-decoration: none; white-space: nowrap; transition: color 0.15s ease; }
.book-toc:hover { color: var(--cat); }
.book-close { border: 1px solid var(--cat); background: var(--cat); color: var(--on-accent);
  border-radius: 9px; cursor: pointer; padding: 8px 16px; font-size: 13px; font-weight: 600;
  flex: 0 0 auto; transition: border-color 0.15s ease, filter 0.15s ease; }
.book-close:hover { filter: brightness(1.08); }

.book-wrap .book { position: relative; flex: 0 0 auto; width: auto;
  user-select: none; }

/* контейнер StPageFlip */
.book-wrap .book-stage { position: relative; margin: 0 auto;
  cursor: grab; }

/* бумажная страница книги */
.book-stage .stf-page { background: linear-gradient(150deg, var(--paper) 0%, var(--paper-edge) 55%, var(--paper) 100%);
  color: var(--paper-ink);
  overflow: hidden;
  padding: 5.5% 9% 6%;
  font-size: 17px; line-height: 1.75;
  border-radius: 2px 10px 10px 2px;
  box-shadow: 0 6px 22px -6px rgba(0,0,0,0.55),
              0 2px 8px -2px rgba(0,0,0,0.4),
              inset 2px 0 6px -3px rgba(0,0,0,0.35);
  border: 1px solid var(--paper-line); }
.book-stage .stf-page p { margin: 0 0 16px; }
.book-stage .stf-page h2 { font-size: 23px; margin: 30px 0 12px; letter-spacing: -0.01em; }
.book-stage .stf-page h3 { font-size: 19px; margin: 24px 0 10px; }
.book-stage .stf-page img { max-width: 100%; height: auto; border-radius: 12px;
  border: 1px solid var(--line-strong); margin: 14px 0; }
.book-stage .stf-page table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 15px; }
.book-stage .stf-page th { background: var(--bg-elev); text-align: left; padding: 9px 12px; border: 1px solid var(--line-strong); }
.book-stage .stf-page td { padding: 8px 12px; border: 1px solid var(--line); }
.book-stage .stf-page blockquote { border-left: 4px solid var(--cat); margin: 18px 0; padding: 12px 20px; }
.book-stage .stf-page code { font-family: var(--mono); font-size: 14px; background: var(--bg-elev); padding: 2px 6px; border-radius: 4px; }
.book-stage .stf-page strong { color: var(--hl); font-weight: 650; }
.book-stage .stf-page li { margin: 5px 0; }
.book-stage .stf-page p,
.book-stage .stf-page li,
.book-stage .stf-page td,
.book-stage .stf-page th,
.book-stage .stf-page h1, .book-stage .stf-page h2, .book-stage .stf-page h3,
.book-stage .stf-page blockquote,
.book-stage .stf-page pre, .book-stage .stf-page code {
  overflow-wrap: break-word; word-break: break-word;
}
.book-stage .stf-page .md-img { max-width: 100%; border-radius: 12px; border: 1px solid var(--line-strong); margin: 14px 0; }
.book-stage .stf-page figure { margin: 20px auto; padding: 0 2px; text-align: center; }
.book-stage .stf-page figure .md-img { width: 100%; height: auto; margin: 0; }
.book-stage .stf-page figure figcaption { font-size: 13px; color: var(--ink-muted); margin-top: 7px; line-height: 1.45; padding: 0 6px; }
.book-stage .stf-page .bk-chap-title { font-size: 15px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--cat); margin: 6px 0 10px; }

/* счётчик страниц над книгой (в потоке, центрирован) */
.book-wrap .page-cnt { margin-top: 10px; text-align: center;
  font-size: 13px; color: var(--ink-dim); font-family: var(--mono); letter-spacing: 0.05em; }

/* горизонтальная лента-навигация по страницам под книгой */
.book-track { flex: 0 0 auto; display: flex; gap: 7px;
  overflow-x: hidden; padding: 6px 2px 0; scrollbar-width: none; -ms-overflow-style: none;
  justify-content: center; flex-wrap: wrap; }
.book-track::-webkit-scrollbar { display: none; width: 0; height: 0; }
.book-track .bk-cell { flex: 0 0 auto; min-width: 32px; height: 32px; padding: 0 9px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 9px; border: 1px solid var(--line-strong); background: var(--bg-elev);
  color: var(--ink-dim); font-family: var(--mono); font-size: 12.5px; cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease; }
.book-track .bk-cell:hover { border-color: var(--cat); color: var(--cat); }
.book-track .bk-cell.is-on { border-color: var(--cat); background: var(--cat); color: var(--on-accent);
  font-weight: 700; }
.book-track .bk-cell.is-done { color: var(--cat); opacity: 0.8; }
.book-track .bk-sep { flex: 0 0 auto; align-self: center; padding: 0 2px;
  color: var(--ink-dim); font-family: var(--mono); font-size: 13px;
  opacity: 0.75; line-height: 1; user-select: none; }

/* кофейная тема читается удобнее на засечках — и в статьях, и в книге */
:root[data-theme="cream"] .post .content { font-family: var(--serif); }
:root[data-theme="cream"] .book-stage .stf-page { font-family: var(--serif); }

/* ------------------------------------------------------ 404 */
.err404 { text-align: center; padding: 110px 0; }
.err404 .big { font-family: var(--mono); font-size: 90px; font-weight: 700; color: var(--nova-mid); line-height: 1; }
.err404 .big .cat { color: var(--cat); }
.err404 p { color: var(--ink-dim); margin: 14px 0 26px; font-size: 17px; }

/* ------------------------------------------------------ формы */
.form { max-width: 760px; }
.form label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-dim); margin: 16px 0 6px; }
.form input[type=text], .form input[type=password], .form input[type=file], .form textarea, .form select {
  width: 100%; background: var(--bg-panel); border: 1px solid var(--line-strong); color: var(--ink);
  border-radius: 8px; padding: 11px 14px; font-size: 15px; font-family: var(--font); }
.form textarea { resize: vertical; font-family: var(--mono); font-size: 14px; line-height: 1.6; }
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--nova); box-shadow: 0 0 0 3px rgba(3, 90, 170, 0.25); }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.flash { padding: 12px 18px; border-radius: 8px; margin: 14px 0; font-size: 14.5px; }
.flash.ok { background: var(--ok-bg); border: 1px solid var(--ok-border); color: var(--ok-ink); }
.flash.error { background: var(--danger-bg); border: 1px solid var(--danger-border); color: var(--danger-ink); }

/* ------------------------------------------------------ админка */
.admin-head { padding: 44px 0 20px; }
.admin-head h1 { margin: 0; font-size: 30px; letter-spacing: -0.015em; }
.posts-table { width: 100%; border-collapse: collapse; margin: 14px 0 60px; font-size: 14.5px; }
.posts-table th { text-align: left; color: var(--ink-soft); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.07em;
  padding: 8px 12px; border-bottom: 1px solid var(--line-strong); }
.posts-table td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.posts-table .t-title { font-weight: 600; }
.posts-table .tag-draft { background: rgba(224, 128, 42, 0.15); color: var(--cat); padding: 2px 9px; border-radius: 999px; font-size: 12px; }
.posts-table .tag-pub { background: var(--ok-bg); color: var(--ok-ink); padding: 2px 9px; border-radius: 999px; font-size: 12px; }
.posts-table input.btn { margin-right: 6px; }
.login-box { max-width: 400px; margin: 80px auto; background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 14px; padding: 34px; }
.login-box h1 { margin: 0 0 6px; font-size: 24px; }
.login-box .muted { margin-bottom: 20px; font-size: 14px; }
.editor-toolbar { display: flex; gap: 8px; margin: 10px 0; flex-wrap: wrap; }
.editor-toolbar .btn { font-size: 12.5px; padding: 5px 11px; }
.preview-pane { border: 1px dashed var(--line-strong); border-radius: 8px; padding: 16px 20px; margin-top: 14px;
  background: var(--bg-panel); min-height: 60px; }
.preview-pane h4 { margin: 0 0 10px; color: var(--ink-soft); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.08em; }
.preview-pane .content { font-size: 15px; }
.preview-pane .content table { font-size: 13.5px; }
.preview-pane .content p { margin: 0 0 10px; }
.upload-zone { display: inline-flex; gap: 10px; align-items: center; margin: 10px 0; flex-wrap: wrap; }
.upload-zone input[type=file] { width: auto; }
.upload-zone .hint { font-size: 12.5px; color: var(--ink-soft); }

/* ------------------------------------------------------ хлебные крошки */
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); margin: 22px 0 4px; }
.crumbs a { color: var(--cat); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs .sep { color: var(--ink-dim); }

/* ------------------------------------------------------ футер */
.footer { border-top: 1px solid var(--line); padding: 34px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: var(--ink-dim); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--ink); }
/* на страницах чтения книги (есть #bookStage) сайтовый футер не нужен:
   и в книжном режиме, и при прокрутке главы */
body:has(#bookStage) .footer { display: none; }

/* ------------------------------------------------------ адаптив */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .cat-stage { order: -1; }
  .cat-stage img { width: min(280px, 80%); }
  .cards, .why { grid-template-columns: 1fr; }
  .bases { grid-template-columns: repeat(3, 1fr); }
  .chapters { grid-template-columns: 1fr; }
  .chapter-card { grid-template-columns: 110px 1fr; }
  .chapter-card img { width: 110px; height: 96px; }
  .chapter-thumb { width: 110px; height: 96px; }
  .stories { grid-template-columns: 1fr; }
  .story-card { grid-template-columns: 110px 1fr; }
  .story-card .story-cover { width: 110px; height: 120px; }
  .story-hero { grid-template-columns: 1fr; }
  .story-hero-cover { display: block; margin: 0 auto; }
  .book-stage .stf-page { padding: 30px 30px 40px; }
  .acc-toc { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .nav-inner { flex-wrap: wrap; height: auto; gap: 8px 24px; padding: 12px 0; }
  .nav-links { order: 3; width: 100%; gap: 18px; }
  .bases { grid-template-columns: repeat(2, 1fr); }
  .form .row2 { grid-template-columns: 1fr; }
  .book-stage .stf-page { padding: 24px 22px 38px; font-size: 16px; }
  .book-head, .book-track { max-width: 92vw; }
  .book-track { justify-content: flex-start; }
}
/* ------------------------------------------------------ EasyMDE (админка): ЕДИНАЯ СВЕТЛАЯ тема
   Редактор НЕ зависит от темы сайта: всегда белый фон + тёмный текст — читаемо в любой теме. */
.EasyMDEContainer .editor-toolbar { background: #f7f6f1; border: 1px solid #d8d5cc; border-bottom: none; border-radius: 8px 8px 0 0; flex-wrap: wrap; }
.EasyMDEContainer .editor-toolbar button { color: #33312c; border: 1px solid transparent; border-radius: 4px; }
.EasyMDEContainer .editor-toolbar button:hover,
.EasyMDEContainer .editor-toolbar button.active { background: #ece7dc; color: #a34e0a; border-color: #e0b98a; }
.EasyMDEContainer .editor-toolbar i.separator { border-left: 1px solid #d8d5cc; }
.EasyMDEContainer .CodeMirror { background: #ffffff; color: #26241f; border: 1px solid #d8d5cc; font-family: var(--mono); font-size: 15px; min-height: 320px; }
.EasyMDEContainer .CodeMirror-focused { border-color: #c98a3d; }
.EasyMDEContainer .CodeMirror-cursor { border-left-color: #c57b1b; }
.EasyMDEContainer .CodeMirror-selected { background: #ffe9c7; }
.EasyMDEContainer .CodeMirror-lines { padding: 12px 14px; }
.EasyMDEContainer .cm-header { color: #8a3f05; }
.EasyMDEContainer .cm-strong, .EasyMDEContainer .cm-em { color: #1d4e89; }
.EasyMDEContainer .cm-link { color: #0645AD; }
.EasyMDEContainer .cm-url { color: #5a6b7a; }
.EasyMDEContainer .editor-preview { background: #ffffff; color: #26241f; border: 1px solid #d8d5cc; }
.EasyMDEContainer .editor-preview-side { background: #ffffff; color: #26241f; border: 1px solid #d8d5cc; position: relative; }
.EasyMDEContainer .editor-preview-side h1, .EasyMDEContainer .editor-preview-side h2,
.EasyMDEContainer .editor-preview-side h3, .EasyMDEContainer .editor-preview h1,
.EasyMDEContainer .editor-preview h2, .EasyMDEContainer .editor-preview h3 { color: #7c3703; }
.EasyMDEContainer .editor-preview-side a, .EasyMDEContainer .editor-preview a { color: #0645AD; }
.EasyMDEContainer .editor-preview table td, .EasyMDEContainer .editor-preview table th { border: 1px solid #cfcbc0; }
.EasyMDEContainer .editor-statusbar { background: #f7f6f1; color: #55524b; border: 1px solid #d8d5cc; border-top: none; font-size: 12px; }

/* кнопка «Свернуть предпросмотр» (внутри .editor-preview-side) */
.rs-close {
  position: sticky; top: 8px; float: right; z-index: 5;
  margin: 0 8px 8px 8px;
  background: var(--cat); color: #241305; border: none; border-radius: 6px;
  padding: 5px 10px; font-size: 12.5px; font-weight: 600; cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
}
.rs-close:hover { background: #f0913f; }

/* липкая панель «Сохранить» — доступна из любого режима редактора */
.save-bar {
  position: sticky; bottom: 0; z-index: 6;
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-top: 18px; padding: 10px 12px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 -6px 18px rgba(0,0,0,.12);
}

/* ------------------------------------------------------ правовая сноска */
.legal-note { margin: 34px 0 10px; border: 1px dashed var(--line-strong); border-radius: 10px;
  padding: 12px 16px; background: var(--bg-card); }
.legal-note summary { cursor: pointer; font-size: 14px; font-weight: 600; color: var(--ink-soft);
  user-select: none; }
.legal-note p { font-size: 12.5px; line-height: 1.55; color: var(--ink-soft); margin: 10px 0 0; }
.content .colophon { border: 1px dashed var(--line-strong); border-radius: 10px; padding: 14px 18px;
  margin: 30px 0 8px; background: var(--bg-card); font-size: 13.5px; color: var(--ink-soft); }
.content .colophon strong { color: var(--ink); }
.content .colophon p { margin: 8px 0 0; }

/* ------------------------------------------------------ resizer картинок в редакторе */
.rs-handle { position: fixed; width: 13px; height: 13px; background: var(--cat, #e0802a);
  border: 2px solid var(--bg-card, #161210); border-radius: 4px; cursor: nwse-resize;
  z-index: 99; box-shadow: 0 2px 8px rgba(0,0,0,.5); }
.rs-panel { position: fixed; z-index: 99; display: none; align-items: center; gap: 8px;
  background: #fffdf8; border: 1px solid #d8d5cc;
  border-radius: 10px; padding: 8px 10px; box-shadow: 0 10px 30px rgba(30,25,15,.25); }
.rs-input { width: 92px; padding: 5px 8px; border-radius: 7px; border: 1px solid #d8d5cc;
  background: #ffffff; color: #26241f; font-size: 13px; }
.rs-apply { padding: 5px 12px; border-radius: 7px; border: none; cursor: pointer;
  background: var(--cat, #e0802a); color: #241305; font-weight: 600; font-size: 13px; }
.rs-hint { font-size: 11.5px; color: #77715f; }
.rs-align { display: inline-flex; gap: 4px; margin-right: 4px; }
.rs-al { width: 28px; height: 28px; border-radius: 7px; border: 1px solid #d8d5cc;
  background: #ffffff; color: #33312c; cursor: pointer; font-size: 13px; line-height: 1; }
.rs-al:hover { border-color: var(--cat, #e0802a); }
.rs-al.is-on { background: var(--cat, #e0802a); color: #241305; border-color: var(--cat, #e0802a); }
.rs-step { display: inline-flex; gap: 4px; margin-right: 2px; }
.rs-st { height: 28px; padding: 0 9px; border-radius: 7px; border: 1px solid #d8d5cc;
  background: #ffffff; color: #33312c; cursor: pointer; font-size: 12.5px; font-weight: 600; line-height: 1; }
.rs-st:hover { border-color: var(--cat, #e0802a); color: #a34e0a; }
.rs-reset { color: #55524b; font-weight: 500; }

.pdficon { margin-left: 8px; font-size: 15px; opacity: .85; }
.card-foot .pdficon { float: right; }

/* плашка возврата к редактированию (полный вид и «бок о бок») — поверх редактора */
.EasyMDEContainer { position: relative; }
.rs-back-bar { position: absolute; top: 46px; right: 8px; z-index: 8; display: none;
  gap: 8px; flex-wrap: wrap; justify-content: flex-end; align-items: center;
  padding: 7px 9px; background: rgba(255,253,248,.97); border: 1px solid #d8d5cc;
  border-radius: 10px; box-shadow: 0 6px 18px rgba(30,25,15,.18); }
.rs-back-btn { padding: 6px 12px; border-radius: 7px; border: 1px solid #d8d5cc; cursor: pointer;
  background: #ffffff; color: #33312c; font-size: 13px; font-weight: 600; }
.rs-back-btn:hover { border-color: var(--cat, #e0802a); color: #a34e0a; }
.rs-back-main { background: var(--cat, #e0802a); color: #241305; border-color: var(--cat, #e0802a); }
.rs-back-main:hover { color: #241305; }

.cat-add { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 0; border-bottom: 1px solid var(--line); }
.cat-inline { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.fld { padding: 7px 10px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg-card); color: var(--ink); font-size: 14px; }
.btn-mini { padding: 5px 10px; font-size: 13px; }
.btn-danger { background: #a13c2f; color: #fff; }
.btn-danger:hover { background: #b84a3b; }

/* выравнивание картинок (markdown: {: width="300" .center } и html <img class="center">) */
.content img.left, .book-stage .stf-page img.left { float: left; margin: 6px 18px 10px 0; }
.content img.right, .book-stage .stf-page img.right { float: right; margin: 6px 0 10px 18px; }
.content img.center, .book-stage .stf-page img.center { display: block; margin: 16px auto; }
.content figure.left { float: left; margin: 8px 18px 10px 0; }
.content figure.right { float: right; margin: 8px 0 10px 18px; }
.content figure.center { margin-left: auto; margin-right: auto; }
.book-stage .stf-page figure.center { margin-left: auto; margin-right: auto; }
.content figure.left figcaption, .content figure.right figcaption { max-width: 280px; }
.content figure.center figcaption { text-align: center; }

/* ------------------------------------------------------ captcha/антибот */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; overflow: hidden; }
.captcha-row { flex-wrap: wrap; align-items: center; }
.captcha-input { max-width: 240px; }

/* ------------------------------------------------------ тематики блога */
.tagfilters { display: flex; flex-wrap: wrap; gap: 9px; margin: 20px 0 26px; }
.chip { display: inline-block; padding: 5px 14px; border-radius: 999px; border: 1px solid var(--line-strong);
  color: var(--ink-soft); font-size: 13.5px; font-weight: 500; text-decoration: none; background: var(--bg-card); }
.chip:hover { color: var(--cat); border-color: rgba(224,128,42,.5); }
.chip.on { background: var(--cat); border-color: var(--cat); color: #181310; }
.card-tag { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--cat); border: 1px solid rgba(224,128,42,.45); border-radius: 999px; padding: 2px 10px; margin-bottom: 10px; }
@media (max-width: 420px) {
  .post h1 { font-size: 28px; }
  .book-stage .stf-page { padding: 20px 18px 36px; }
  .ctl-btn { width: 26px; height: 26px; font-size: 14px; }
}

/* ------------------------------------------------------ печать */
@media print {
  :root, :root[data-theme] {
    --bg: #ffffff !important; --bg-panel: #f4f6f9 !important;
    --bg-card: #ffffff !important; --bg-elev: #eef2f7 !important;
    --ink: #1a2129 !important; --ink-dim: #4a5565 !important; --ink-soft: #77828f !important;
    --line: rgba(3, 45, 90, 0.12) !important; --line-strong: rgba(3, 45, 90, 0.24) !important;
    --nav-bg: #ffffff !important; --embed-bg: #ffffff !important;
    --num-accent: #035AAA !important; --hl: #06477c !important;
    --on-accent: #fff !important;
    color-scheme: light;
  }
  .nav, .footer .footer-links, .nav-ctls, .book-head, .book-track, .page-cnt,
  .stf__wrapper, .stf__parent, .stf__outerShadow, .stf__innerShadow, .stf__hardShadow,
  .hero-actions, .hero::after { display: none !important; }
  .nav { position: static; }
  body { background: #fff !important; }
  a { color: #06477c !important; text-decoration: none; }
  .post { max-width: 100%; }
  .book-wrap { position: static; padding: 0; background: #fff;
    -webkit-backdrop-filter: none; backdrop-filter: none; gap: 0; }
  .book-stage .stf-page { position: static; overflow: visible;
    padding: 0 0 22px; background: #fff; color: #1a2129; }
}

/* ============================================================
   ТРЕНАЖЁР ДВОИЧНОГО СЧЁТА  (/train/)
   Использует общие токены темы — сам подстраивается под light/cream/dark.
   ============================================================ */
.tr-panel {
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 6px 0 0;
}
.tr-panel-head h3 { margin: 0 0 4px; font-size: 20px; }
.tr-panel-head h4 { margin: 0 0 6px; font-size: 16px; }
.tr-muted { color: var(--ink-dim); font-size: 14px; margin: 0 0 16px; line-height: 1.5; }
.tr-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; margin-top: 6px; }
.tr-field { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--ink-dim); }
.tr-field input, .tr-field select {
  background: var(--bg-elev); border: 1px solid var(--line-strong); color: var(--ink);
  border-radius: 8px; padding: 8px 10px; font-family: var(--mono); font-size: 14px; min-width: 120px;
}
.tr-field select { font-family: var(--font); }
.tr-btn {
  background: var(--nova); color: var(--on-accent); border: 0; border-radius: 8px;
  padding: 9px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: background 0.15s ease;
}
.tr-btn:hover { background: var(--nova-mid); }
.tr-btn.ghost { background: var(--ghost-bg); color: var(--ink); border: 1px solid var(--line-strong); }
.tr-btn.ghost:hover { background: var(--ghost-bg-hover); }
.tr-gap { height: 34px; }
.tr-results { margin-top: 18px; }
.tr-cards { display: flex; gap: 12px; flex-wrap: wrap; }
.tr-card {
  flex: 1 1 130px; background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px; text-align: center;
}
.tr-card-lbl { font-size: 12px; color: var(--ink-dim); margin-bottom: 6px; }
.tr-card code { font-family: var(--mono); font-size: 18px; color: var(--ink); word-break: break-all; }
.tr-answer {
  font-size: 18px; color: var(--ink); background: rgba(3, 90, 170, 0.08);
  border: 1px solid rgba(3, 90, 170, 0.25); border-radius: 10px; padding: 12px 16px;
}
.tr-answer b { color: var(--nova-soft); }
.tr-steps-area { margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.tr-step-w { animation: tr-fade 0.25s ease; }
.tr-note { color: var(--ink); font-size: 14.5px; line-height: 1.55; }
.tr-step { color: var(--ink); background: var(--bg-elev); border-left: 3px solid var(--cat);
  border-radius: 6px; padding: 9px 14px; font-size: 14px; line-height: 1.6; }
.tr-step b { color: var(--cat); }
.tr-out { color: var(--ink); font-size: 15px; line-height: 1.6;
  border-left: 3px solid var(--nova-soft); background: var(--bg-elev);
  border-radius: 6px; padding: 10px 14px; }
.tr-out b { color: var(--nova-soft); }
.tr-mark { color: var(--cat); }
.tr-steps { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tr-steps th, .tr-steps td { border-bottom: 1px solid var(--line); padding: 6px 9px; text-align: left; vertical-align: top; }
.tr-steps th { color: var(--ink-dim); font-weight: 600; font-size: 12px; }
.tr-steps td.mono { font-family: var(--mono); }
/* разряд перевода: цифра остатка в рамке */
.tr-bit {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 24px; height: 26px; padding: 0 5px;
  font-family: var(--mono); font-weight: 700; font-size: 15px;
  border: 2px solid var(--cat); border-radius: 6px;
  color: var(--ink); background: var(--bg-card);
}
.tr-bit-lead { border-color: var(--nova-soft); background: var(--cat); color: #fff; }
.tr-bit-last td { background: var(--ghost-bg); }
.tr-tr-bit { border-bottom: 2px solid var(--cat); }
.tr-answer-bits { display: inline-flex; gap: 4px; flex-wrap: wrap; margin: 6px 0 2px; }
.tr-answer-bits .tr-bit { font-size: 17px; min-width: 28px; height: 30px; }
.tr-answer-bits .tr-bit:first-child { border-color: var(--nova-soft); background: var(--cat); color: #fff; }
.tr-table-wrap { overflow-x: auto; }
.tr-err { color: var(--danger-ink); background: var(--danger-bg); border: 1px solid var(--danger-border);
  border-radius: 8px; padding: 10px 14px; font-size: 14px; }
.tr-correct { color: var(--ok-ink); background: var(--ok-bg); border: 1px solid var(--ok-border);
  border-radius: 8px; padding: 10px 14px; display: block; font-weight: 600; }
.tr-wrong { color: var(--danger-ink); background: var(--danger-bg); border: 1px solid var(--danger-border);
  border-radius: 8px; padding: 10px 14px; display: block; font-weight: 600; }
.tr-ops { margin-bottom: 6px; }
.tr-op {
  background: var(--ghost-bg); color: var(--ink-dim); border: 1px solid var(--line-strong);
  border-radius: 999px; padding: 8px 16px; font-size: 14px; cursor: pointer; transition: all 0.15s ease;
}
.tr-op:hover { color: var(--ink); background: var(--ghost-bg-hover); }
.tr-op.is-on { background: var(--cat); color: #fff; border-color: var(--cat); font-weight: 600; }
.tr-quiz { margin-top: 20px; border-top: 1px dashed var(--line-strong); padding-top: 16px; }
.tr-quiz-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-top: 8px; }
.tr-verdict { margin-top: 12px; }
.tr-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin-top: 14px; }
.tr-tip { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; }
.tr-tip b { color: var(--cat); font-size: 15px; }
.tr-tip p { color: var(--ink-dim); font-size: 13.5px; line-height: 1.55; margin: 8px 0 0; }

/* --- двухколоночный вывод (десятично | двоично) --- */
.tr-duo-zone { margin-top: 14px; }
.tr-duo-grid { display: flex; flex-direction: column; gap: 14px; }
.tr-duo {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  animation: tr-fade 0.25s ease;
}
.tr-duo-head {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.tr-duo-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 720px) { .tr-duo-cols { grid-template-columns: 1fr; } }
.tr-duo-cell {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 14px;
  line-height: 1.6;
}
.tr-duo-cell .tr-duo-side {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 6px;
}
.tr-duo-dec { background: rgba(3, 90, 170, 0.06); border-color: rgba(3, 90, 170, 0.22); }
.tr-duo-dec .tr-duo-side { color: var(--nova-soft); }
.tr-duo-bin { background: rgba(224, 128, 42, 0.06); border-color: rgba(224, 128, 42, 0.24); }
.tr-duo-bin .tr-duo-side { color: var(--cat); }
.tr-duo-body { color: var(--ink); }
.tr-duo-body .mono, .tr-duo-body code { font-family: var(--mono); }

/* вертикаль «столбиком» */
.tr-col {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.45;
  margin: 6px 0 0;
  color: var(--ink);
  background: var(--bg-elev);
  border-radius: 6px;
  padding: 10px 12px;
}
.tr-col-car { color: var(--cat); font-size: 12px; }
.tr-col-op { color: var(--ink-soft); }
.tr-col-sum { color: var(--nova-soft); }
.tr-col-pad { color: var(--ink-soft); }

/* --- сворачиваемое подробное объяснение --- */
.tr-details {
  margin-top: 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-elev);
  overflow: hidden;
}
.tr-details > summary {
  cursor: pointer;
  padding: 13px 18px;
  font-weight: 600;
  color: var(--ink);
  font-size: 14.5px;
  list-style: none;
  position: relative;
  padding-left: 40px;
  user-select: none;
}
.tr-details > summary::-webkit-details-marker { display: none; }
.tr-details > summary::before {
  content: "＋";
  position: absolute;
  left: 16px;
  color: var(--cat);
  font-weight: 700;
  transition: transform 0.18s ease;
}
.tr-details[open] > summary::before { content: "－"; }
.tr-details > summary:hover { background: var(--ghost-bg); }
.tr-theory {
  padding: 4px 20px 18px 40px;
  border-top: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.65;
}
.tr-theory p { margin: 10px 0; }
.tr-theory b { color: var(--ink); }
.tr-theory code {
  font-family: var(--mono);
  background: var(--bg-card);
  color: var(--cat);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
}
.tr-theory-code {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--ink);
  overflow-x: auto;
  margin: 12px 0;
}
@keyframes tr-fade { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }

/* ===== Сообщения читателей (стена на главной + админка) ===== */
.msg-form { max-width: 640px; display: grid; gap: 10px; margin: 18px 0 8px; }
.msg-row { display: flex; gap: 10px; flex-wrap: wrap; }
.msg-form .msg-row .msg-input { flex: 1 1 200px; }
.msg-input {
  width: 100%; box-sizing: border-box;
  padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--card);
  color: var(--foreground); font: inherit;
}
.msg-input:focus { outline: none; border-color: var(--accent); }
.msg-wall { display: grid; gap: 12px; margin-top: 18px; max-width: 760px; }
.msg-card {
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--card); padding: 14px 16px;
}
.msg-card.msg-new { border-color: var(--accent); }
.msg-card .msg-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.msg-card p { margin: 0; white-space: pre-wrap; }
.msg-actions { margin-top: 10px; display: flex; gap: 8px; }
/* ============================================================
   SQL-тренажёр (/sql/) — скрытый инструмент
   ============================================================ */
.sqt-bar { display: flex; align-items: center; gap: 8px; margin: 4px 0 14px; flex-wrap: wrap; }
.sqt-mode { width: auto; height: auto; padding: 7px 14px; font-size: 13px; gap: 5px; white-space: nowrap; }
.sqt-mode.is-on { background: var(--cat); color: #1c150d; }
.sqt-layout { display: grid; grid-template-columns: 300px 1fr; gap: 16px; align-items: start; }
@media (max-width: 860px) { .sqt-layout { grid-template-columns: 1fr; } }
.sqt-panel-title { font-size: 12px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--ink-dim); margin: 14px 0 8px; }
.sqt-side .sqt-panel-title:first-child { margin-top: 0; }
.sqt-tables, .sqt-tasks { display: flex; flex-direction: column; gap: 6px; }
.sqt-tbl { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--bg-card); }
.sqt-tbl summary { padding: 6px 10px; cursor: pointer; font-weight: 600; color: var(--ink); font-family: var(--mono); font-size: 12.5px; }
.sqt-tbl summary:hover { color: var(--cat); }
.sqt-tbl pre { margin: 0; padding: 8px 10px; background: var(--bg-panel); overflow: auto;
  font-size: 11.5px; color: var(--ink-dim); white-space: pre; border-top: 1px solid var(--line); }
.sqt-task { padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer;
  background: var(--bg-card); transition: border-color .15s ease; }
.sqt-task:hover { border-color: var(--cat); }
.sqt-task.is-on { border-color: var(--cat); box-shadow: 0 0 0 1px var(--cat-glow); }
.sqt-task b { color: var(--cat); font-size: 12.5px; display: block; margin-bottom: 2px; }
.sqt-hint { color: var(--ink-dim); font-size: 11.5px; display: block; white-space: pre-wrap; }
.sqt-probe { display: block; font-size: 11px; margin-top: 4px; color: var(--ink-soft); font-family: var(--mono); }
.sqt-main { display: flex; flex-direction: column; min-width: 0; }
.sqt-sql { width: 100%; min-height: 220px; resize: vertical; background: var(--bg-card); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; padding: 12px; font-family: var(--mono);
  font-size: 13px; line-height: 1.55; outline: none; }
.sqt-sql:focus { border-color: var(--cat); }
.sqt-runbar { display: flex; align-items: center; gap: 8px; padding: 10px 0; flex-wrap: wrap; }
.sqt-runbar-note { color: var(--ink-dim); font-size: 12px; white-space: pre-wrap; }
.sqt-result { background: var(--bg-card); border: 1px solid var(--line); border-radius: 8px;
  overflow: auto; min-height: 120px; max-height: 480px; }
.sqt-empty { padding: 18px; color: var(--ink-soft); font-size: 12.5px; }
.sqt-table { border-collapse: collapse; width: 100%; font-size: 12.5px; }
.sqt-table th, .sqt-table td { padding: 6px 10px; border: 1px solid var(--line); text-align: left;
  white-space: nowrap; max-width: 340px; overflow: hidden; text-overflow: ellipsis; }
.sqt-table th { background: var(--bg-elev); color: var(--cat); position: sticky; top: 0; }
.sqt-meta { padding: 6px 12px; color: var(--ink-soft); font-size: 11.5px; border-top: 1px solid var(--line); font-family: var(--mono); }

/* --- Решения: разбор всех задач --- */
.sqt-sol { border: 1px solid var(--line); border-radius: 10px; background: var(--bg-card);
  padding: 14px 16px; margin-bottom: 12px; }
.sqt-sol h3 { margin: 0 0 6px; font-size: 15px; color: var(--cat); }
.sqt-sol-task { color: var(--ink); font-size: 13.5px; white-space: pre-wrap; margin-bottom: 8px; }
.sqt-sol-hint { color: var(--ink-dim); font-size: 12.5px; white-space: pre-wrap; margin-bottom: 10px;
  border-left: 2px solid var(--cat-glow); padding-left: 10px; }
.sqt-sol pre { background: var(--bg-panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; overflow: auto; font-family: var(--mono); font-size: 12.5px;
  line-height: 1.5; color: var(--ink); margin: 0 0 10px; white-space: pre; }
.sqt-sol-run { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sqt-sol-out { margin-top: 10px; max-height: 320px; overflow: auto; }
.sqt-sol-out .sqt-table { font-size: 12px; }

/* ---------------- Главная: широкая карусель книг ---------------- */
.carousel { position: relative; }
.car-viewport { overflow: hidden; border-radius: var(--radius-lg); }
.car-track { display: flex; transition: transform .55s cubic-bezier(.22, .61, .36, 1); }
.car-slide { flex: 0 0 100%; display: grid; grid-template-columns: 260px 1fr; gap: 34px;
  background: linear-gradient(120deg, var(--bg-card) 0%, var(--bg-elev) 100%);
  border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px 34px;
  text-decoration: none; color: inherit; align-items: center; min-height: 320px;
  transition: border-color .25s ease; }
.car-slide:hover { border-color: rgba(224, 128, 42, .5); }
.car-cover { width: 100%; max-width: 260px; aspect-ratio: 3/4; object-fit: cover;
  border-radius: var(--radius); box-shadow: 0 18px 50px -18px rgba(0, 0, 0, .6); justify-self: center; }
.car-info { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.car-meta { font-family: var(--mono); font-size: 12px; color: var(--cat); letter-spacing: .12em; text-transform: uppercase; }
.car-info h3 { font-size: clamp(22px, 2.6vw, 30px); margin: 0; line-height: 1.15; letter-spacing: -.015em; }
.car-sub { font-size: 15.5px; color: var(--ink-dim); margin: 0; line-height: 1.6; max-width: 560px; }
.car-info .btn { margin-top: 8px; }
.car-arrow { position: absolute; top: 45%; transform: translateY(-50%); z-index: 2;
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-strong);
  background: rgba(11, 18, 32, .72); backdrop-filter: blur(6px); color: var(--nova-soft);
  font-size: 22px; line-height: 1; cursor: pointer; display: grid; place-items: center;
  transition: background .2s, color .2s, border-color .2s; }
.car-arrow:hover { color: var(--cat); border-color: rgba(224, 128, 42, .55); }
.car-prev { left: 14px; } .car-next { right: 14px; }
.car-dots { display: flex; justify-content: center; gap: 8px; margin-top: 16px; }
.car-dot { width: 8px; height: 8px; border-radius: 50%; border: 0; padding: 0; cursor: pointer;
  background: var(--line-strong); transition: background .2s, transform .2s; }
.car-dot.on { background: var(--cat); transform: scale(1.35); }
@media (max-width: 860px) {
  .car-slide { grid-template-columns: 1fr; text-align: center; padding: 24px 20px; min-height: 0; }
  .car-cover { max-width: 200px; }
  .car-info { align-items: center; }
  .car-arrow { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .car-track { transition: none; }
}