/* Платформа репетитора — общая структура. Цвета, шрифты и украшения задают оболочки (папка skins) через переменные. */
:root {
  --bz-bg: #F5F6F9; --bz-panel: #FFFFFF; --bz-soft: #EEF1F6; --bz-line: #DCE1EA;
  --bz-ink: #161B26; --bz-text: #2A3242; --bz-mute: #5A6374;
  --bz-acc: #2F5BD8; --bz-on-acc: #FFFFFF; --bz-acc-soft: #E6ECFC; --bz-acc-ink: #2448B5;
  --bz-ok: #12865A; --bz-ok-bg: #E2F5EC; --bz-ok-ink: #0B6B47;
  --bz-warn: #D98A00; --bz-warn-bg: #FFF2D9; --bz-warn-ink: #7A4C00;
  --bz-bad: #C8324B; --bz-bad-bg: #FCE7EB; --bz-bad-ink: #A3233A;
  --bz-none: #E6E9EF; --bz-none-ink: #5A6374;
  --bz-radius: 16px; --bz-radius-sm: 10px; --bz-pill: 999px;
  --bz-font: system-ui, sans-serif; --bz-font-d: var(--bz-font);
  --bz-shadow: none; --bz-max: 1200px; --bz-gap: 20px;
}
html { -webkit-text-size-adjust: 100%; }
body.bz { margin: 0; background: var(--bz-bg); color: var(--bz-text); font-family: var(--bz-font); font-size: 16px; line-height: 1.55; }
.bz *, .bz *::before, .bz *::after { box-sizing: border-box; }
.bz a { color: var(--bz-acc-ink); }
.bz img { max-width: 100%; height: auto; }
.bz button, .bz input, .bz select, .bz textarea { font: inherit; color: inherit; }
.bz :focus-visible { outline: 3px solid var(--bz-acc); outline-offset: 2px; }
.bz-theme-anim, .bz-theme-anim * { transition: background-color .4s ease, color .4s ease, border-color .4s ease, fill .4s ease, stroke .4s ease !important; }
.bz [hidden] { display: none !important; }
.bz-skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--bz-panel); color: var(--bz-ink); padding: 10px 14px; border-radius: var(--bz-radius-sm); }
.bz-skip:focus { left: 8px; }
.bz-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.bz-hp { position: absolute; left: -9999px; }
.bz-wrap { max-width: var(--bz-max); margin: 0 auto; padding: 0 24px; }
.bz-ic { flex: none; }
.bz-muted { color: var(--bz-mute); }
.bz-h1 { font-family: var(--bz-font-d); color: var(--bz-ink); font-size: clamp(26px, 3.4vw, 34px); line-height: 1.15; margin: 0; letter-spacing: -.01em; }
.bz-h2 { font-family: var(--bz-font-d); color: var(--bz-ink); font-size: 22px; line-height: 1.25; margin: 0; }
.bz-h3 { font-family: var(--bz-font-d); color: var(--bz-ink); font-size: 18px; line-height: 1.3; margin: 0 0 12px; }
.bz-h2 a, .bz-h3 a { color: inherit; text-decoration: none; }
.bz-eyebrow { margin: 0 0 6px; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--bz-mute); }
.bz-eyebrow a { text-decoration: none; color: inherit; text-transform: none; letter-spacing: 0; font-size: 14px; }
.bz-accent { color: var(--bz-acc-ink); }

/* ---------- Каркас ---------- */
.bz-shell { min-height: 100vh; display: flex; flex-direction: column; overflow-x: clip; }
.bz-main { flex: 1 0 auto; width: 100%; padding-top: 24px; padding-bottom: 56px; display: flex; flex-direction: column; gap: var(--bz-gap); }
.bz-top { background: var(--bz-panel); border-bottom: 1px solid var(--bz-line); position: relative; z-index: 20; }
.bz-top-in { display: flex; align-items: center; gap: 18px; min-height: 66px; }
.bz-brand { font-family: var(--bz-font-d); font-weight: 700; font-size: 21px; color: var(--bz-ink) !important; text-decoration: none; white-space: nowrap; }
.bz-brand-dot { color: var(--bz-acc); }
.bz-menu { flex: 1; display: block; }
.bz-menu > summary { list-style: none; }
.bz-menu > summary::-webkit-details-marker { display: none; }
.bz-menu-btn { display: none; }
.bz-menu-body { display: flex; align-items: center; gap: 16px; justify-content: space-between; }
.bz-nav { display: flex; flex-wrap: wrap; gap: 4px; }
.bz-nav-a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px; border-radius: var(--bz-radius-sm); color: var(--bz-mute) !important; text-decoration: none; font-weight: 600; font-size: 15px; position: relative; transition: background-color .2s, color .2s; }
.bz-nav-a:hover { color: var(--bz-ink) !important; background: var(--bz-soft); }
.bz-nav-a.is-on { color: var(--bz-ink) !important; background: var(--bz-soft); }
.bz-badge { min-width: 20px; height: 20px; padding: 0 6px; border-radius: var(--bz-pill); background: var(--bz-warn); color: #1d1300; font-size: 12px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }
.bz-top-tools { display: flex; align-items: center; gap: 8px; }
.bz-top-out { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 10px; color: var(--bz-mute) !important; text-decoration: none; font-weight: 600; font-size: 14px; }
.bz-theme-toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px; border-radius: var(--bz-pill); border: 1px solid var(--bz-line); background: transparent; color: var(--bz-ink); cursor: pointer; font-weight: 600; font-size: 14px; }
.bz-theme-toggle > span { display: inline-flex; align-items: center; gap: 8px; }
[data-theme="dark"] .bz-tt-light, [data-theme="light"] .bz-tt-dark, html:not([data-theme]) .bz-tt-dark { display: none !important; }
.bz-theme-toggle .bz-ic { transition: transform .5s ease; }
.bz-theme-toggle:hover .bz-ic { transform: rotate(40deg); }
.bz-foot { border-top: 1px solid var(--bz-line); color: var(--bz-mute); font-size: 14px; }
.bz-foot-in { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 18px; padding-bottom: 18px; }
.bz-foot a { color: var(--bz-mute); }

.bz-cols { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: var(--bz-gap); align-items: start; }
.bz-col-main { display: flex; flex-direction: column; gap: var(--bz-gap); min-width: 0; }
.bz-col-side { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.bz-card { background: var(--bz-panel); border: 1px solid var(--bz-line); border-radius: var(--bz-radius); padding: 22px; box-shadow: var(--bz-shadow); min-width: 0; }
.bz-card-h { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.bz-card-h .bz-h3 { margin: 0; }
.bz-page-h { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px; }
.bz-page-h > p, .bz-page-h > div > p { margin: 4px 0 0; }
.bz-page-h .bz-muted { flex-basis: 100%; }
.bz-page-h > div .bz-muted { flex-basis: auto; }
.bz-crumbs { font-size: 14px; color: var(--bz-mute); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.bz-crumbs a { color: var(--bz-mute); text-decoration: none; }
.bz-crumbs a:hover { color: var(--bz-ink); text-decoration: underline; }
.bz-crumbs-sep { opacity: .5; }
.bz-row-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* ---------- Кнопки ---------- */
.bz-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: var(--bz-radius-sm); border: 1px solid transparent; background: var(--bz-soft); color: var(--bz-ink) !important; font-weight: 700; font-size: 15px; text-decoration: none; cursor: pointer; transition: transform .15s ease, background-color .2s, box-shadow .2s, opacity .2s; white-space: nowrap; }
.bz-btn:hover { transform: translateY(-1px); }
.bz-btn:active { transform: translateY(1px); }
.bz-btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }
.bz-btn-acc { background: var(--bz-acc); color: var(--bz-on-acc) !important; }
.bz-btn-warn { background: var(--bz-warn); color: #1d1300 !important; }
.bz-btn-line { background: transparent; border-color: var(--bz-line); }
.bz-btn-ghost { background: transparent; border-color: var(--bz-line); font-weight: 600; }
.bz-btn-ghost.is-on { background: var(--bz-soft); }
.bz-btn-soft { background: var(--bz-warn-bg); color: var(--bz-warn-ink) !important; }
.bz-btn-text { background: transparent; color: var(--bz-mute) !important; font-weight: 600; padding: 0 8px; }
.bz-btn-lg { min-height: 52px; padding: 0 26px; font-size: 16px; }
.bz-btn-block { width: 100%; }
.bz-link { background: none; border: 0; padding: 0; color: var(--bz-acc-ink); cursor: pointer; text-decoration: underline; font-weight: 600; min-height: 32px; }
.bz-pop { animation: bzPop .4s ease; }

/* ---------- Сегменты, чипы ---------- */
.bz-seg { display: inline-flex; gap: 4px; padding: 4px; border-radius: var(--bz-radius-sm); background: var(--bz-soft); flex-wrap: wrap; border: 0; margin: 0; }
.bz-seg a, .bz-seg label > span { display: inline-flex; align-items: center; justify-content: center; min-height: 36px; padding: 0 12px; border-radius: calc(var(--bz-radius-sm) - 3px); color: var(--bz-mute) !important; text-decoration: none; font-weight: 600; font-size: 14px; cursor: pointer; }
.bz-seg a.is-on, .bz-seg input:checked + span { background: var(--bz-panel); color: var(--bz-ink) !important; box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.bz-seg-radio label { position: relative; }
.bz-seg-radio input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.bz-seg-radio input:focus-visible + span { outline: 3px solid var(--bz-acc); }
.bz-seg-wide { display: flex; width: 100%; }
.bz-seg-wide label { flex: 1; display: flex; }
.bz-seg-wide label > span { flex: 1; min-height: 44px; }
.bz-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.bz-chip { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border-radius: var(--bz-pill); border: 1px solid var(--bz-line); color: var(--bz-ink) !important; text-decoration: none; font-weight: 600; font-size: 14px; }
.bz-chip.is-on, .bz-chip:hover { background: var(--bz-soft); }

/* ---------- Главная ---------- */
.bz-hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, 1fr); gap: 28px; align-items: center; padding: 12px 0 8px; }
.bz-hero-title { font-family: var(--bz-font-d); color: var(--bz-ink); font-size: clamp(32px, 4.6vw, 52px); line-height: 1.06; margin: 0 0 14px; letter-spacing: -.02em; }
.bz-hero-title .bz-accent { display: block; }
.bz-hero-sub { font-size: 18px; color: var(--bz-mute); margin: 0 0 22px; max-width: 620px; }
.bz-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.bz-quick { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.bz-quick-i { text-decoration: none; display: flex; flex-direction: column; gap: 2px; color: var(--bz-text) !important; transition: transform .2s; }
.bz-quick-i:hover { transform: translateY(-2px); }
.bz-quick-l { font-size: 13px; color: var(--bz-mute); }
.bz-quick-v { font-family: var(--bz-font-d); font-size: 38px; line-height: 1.1; color: var(--bz-ink); }
.bz-quick-s { font-size: 13px; color: var(--bz-mute); }
.bz-subject { display: flex; flex-direction: column; gap: 14px; }
.bz-subject-h { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.bz-lines { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.bz-line { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: center; padding: 14px; border-radius: var(--bz-radius); background: var(--bz-panel); border: 1px solid var(--bz-line); text-decoration: none; color: var(--bz-text) !important; transition: transform .2s ease, box-shadow .2s ease; min-height: 78px; }
.bz-line:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(0,0,0,.1); }
.bz-line-n { grid-row: span 2; width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-family: var(--bz-font-d); font-weight: 700; font-size: 18px; background: var(--bz-none); color: var(--bz-none-ink); }
.bz-line.is-good .bz-line-n { background: var(--bz-ok-bg); color: var(--bz-ok-ink); }
.bz-line.is-mid .bz-line-n { background: var(--bz-warn-bg); color: var(--bz-warn-ink); }
.bz-line.is-weak .bz-line-n { background: var(--bz-bad-bg); color: var(--bz-bad-ink); }
.bz-line-t { font-weight: 700; color: var(--bz-ink); line-height: 1.25; }
.bz-line-c { font-size: 13px; color: var(--bz-mute); }
.bz-cta-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.bz-cta-row p { margin: 0; }

/* ---------- Задача ---------- */
.bz-task { display: flex; flex-direction: column; gap: 16px; }
.bz-task-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.bz-task-title { font-family: var(--bz-font-d); color: var(--bz-ink); font-size: 24px; margin: 0; line-height: 1.2; }
h2.bz-task-title { font-size: 18px; }
.bz-task-n { display: inline-flex; width: 30px; height: 30px; border-radius: 8px; align-items: center; justify-content: center; background: var(--bz-soft); font-size: 15px; margin-right: 4px; }
.bz-task-meta { margin-left: auto; display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--bz-mute); }
.bz-task-meta a { color: inherit; }
.bz-diff { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--bz-mute); }
.bz-diff-bars { display: inline-flex; gap: 3px; }
.bz-diff-bars i { width: 16px; height: 6px; border-radius: 3px; background: var(--bz-line); }
.bz-diff-1 .bz-diff-bars i:nth-child(-n+1), .bz-diff-2 .bz-diff-bars i:nth-child(-n+2), .bz-diff-3 .bz-diff-bars i { background: var(--bz-acc); }
.bz-diff-2 .bz-diff-bars i:nth-child(-n+2) { background: var(--bz-warn); }
.bz-diff-3 .bz-diff-bars i { background: var(--bz-bad); }
.bz-cond { font-size: 18px; line-height: 1.65; color: var(--bz-text); overflow-x: auto; }
.bz-cond p { margin: 0 0 10px; }
.bz-cond figure { margin: 6px 0 10px; }
.bz-cond figure img { display: block; max-width: min(100%, 360px); }
[data-theme="dark"] .bz-cond img, [data-theme="dark"] .bz-explain img { filter: invert(.92) hue-rotate(180deg); border-radius: 6px; }
.bz-cond figcaption { font-size: 13px; color: var(--bz-mute); }
.bz-cond table { border-collapse: collapse; }
.bz-cond td, .bz-cond th { border: 1px solid var(--bz-line); padding: 4px 8px; }
.bz-answer { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.bz-answer-l { font-weight: 600; color: var(--bz-mute); }
.bz-answer-box { display: inline-flex; }
.bz-answer input { width: 180px; min-height: 48px; padding: 0 14px; border-radius: var(--bz-radius-sm); border: 2px solid var(--bz-line); background: var(--bz-bg); color: var(--bz-ink); font-size: 18px; font-weight: 600; transition: border-color .2s, background-color .2s; }
.bz-answer input:focus { border-color: var(--bz-acc); outline: none; }
.bz-answer.is-ok input { border-color: var(--bz-ok); background: var(--bz-ok-bg); }
.bz-answer.is-bad input { border-color: var(--bz-bad); background: var(--bz-bad-bg); animation: bzShake .4s ease; }
.bz-result { font-weight: 700; }
.bz-answer.is-ok .bz-result, .bz-result .is-ok { color: var(--bz-ok-ink); }
.bz-answer.is-bad .bz-result, .bz-result .is-bad { color: var(--bz-bad-ink); }
.bz-answer.is-ok .bz-result { animation: bzPop .5s ease; display: inline-block; }
.bz-task-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.bz-task-actions .bz-btn { min-height: 42px; font-size: 14px; }
[data-bz-variant-toggle] .bz-v-on, [data-bz-variant-toggle].is-on .bz-v-off { display: none; }
[data-bz-variant-toggle].is-on .bz-v-on { display: inline-flex; align-items: center; gap: 6px; }
[data-bz-variant-toggle] .bz-v-off { display: inline-flex; align-items: center; gap: 6px; }
[data-bz-variant-toggle].is-on { background: var(--bz-ok-bg); color: var(--bz-ok-ink) !important; }
.bz-answer-panel { padding: 12px 16px; border-radius: var(--bz-radius-sm); background: var(--bz-soft); font-weight: 700; color: var(--bz-ink); }
.bz-report { display: flex; flex-direction: column; gap: 8px; padding: 14px; border-radius: var(--bz-radius-sm); background: var(--bz-soft); }
.bz-report label { font-weight: 600; }
.bz-report textarea, .bz-field input, .bz-field select, .bz-field textarea, .bz-inline-form input { width: 100%; min-height: 46px; padding: 10px 14px; border-radius: var(--bz-radius-sm); border: 1px solid var(--bz-line); background: var(--bz-panel); color: var(--bz-ink); }
.bz-report-st { font-size: 14px; color: var(--bz-mute); }
.bz-explain { border-top: 1px dashed var(--bz-line); padding-top: 14px; }
.bz-explain-t { font-family: var(--bz-font-d); font-size: 17px; margin: 0 0 8px; color: var(--bz-ink); }
.bz-explain-by { font-size: 13px; color: var(--bz-mute); margin: 8px 0 0; }
.bz-steps ol { padding-left: 22px; }
.bz-steps li { margin-bottom: 6px; }
.bz-reveal { animation: bzFadeUp .35s ease both; }
.bz-pager { display: flex; justify-content: space-between; gap: 12px; }
.bz-train { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 16px; border-radius: var(--bz-radius-sm); background: var(--bz-warn-bg); color: var(--bz-warn-ink); font-weight: 700; }
.bz-train span { display: inline-flex; align-items: center; gap: 8px; }
.bz-train a { color: inherit; }
.bz-solved { animation: bzGlow 1.2s ease; }

/* номера задач */
.bz-numcard { display: flex; flex-direction: column; gap: 12px; }
.bz-numcard-h { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; font-weight: 700; color: var(--bz-ink); }
.bz-numcard-c { color: var(--bz-ok-ink); white-space: nowrap; }
.bz-nums { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; }
.bz-num { display: flex; align-items: center; justify-content: center; height: 40px; border-radius: 9px; border: 1px solid var(--bz-line); background: var(--bz-bg); color: var(--bz-mute) !important; text-decoration: none; font-size: 14px; font-weight: 600; transition: transform .15s; }
.bz-num:hover { transform: scale(1.06); }
.bz-num.is-ok { background: var(--bz-ok-bg); color: var(--bz-ok-ink) !important; border-color: transparent; }
.bz-num.is-bad { background: var(--bz-bad-bg); color: var(--bz-bad-ink) !important; border-color: transparent; }
.bz-num.is-current { background: var(--bz-acc); color: var(--bz-on-acc) !important; border-color: transparent; font-weight: 800; animation: bzPulse 2s ease-in-out infinite; }
.bz-numcard .bz-seg { width: 100%; }
.bz-numcard .bz-seg a { flex: 1; }
.bz-trows { display: flex; flex-direction: column; }
.bz-trow { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 12px 6px; border-bottom: 1px solid var(--bz-line); text-decoration: none; color: var(--bz-text) !important; transition: background-color .15s; border-radius: 8px; }
.bz-trow:last-child { border-bottom: 0; }
.bz-trow:hover { background: var(--bz-soft); }
.bz-trow-n { width: 34px; height: 34px; border-radius: 9px; background: var(--bz-soft); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--bz-ink); }
.bz-trow.is-ok .bz-trow-n { background: var(--bz-ok-bg); color: var(--bz-ok-ink); }
.bz-trow.is-bad .bz-trow-n { background: var(--bz-bad-bg); color: var(--bz-bad-ink); }

/* боковые карточки */
.bz-hwcard { background: var(--bz-warn-bg); border-color: transparent; display: flex; flex-direction: column; gap: 6px; }
.bz-hwcard-l { font-size: 13px; color: var(--bz-warn-ink); font-weight: 700; }
.bz-hwcard-t { font-weight: 800; color: var(--bz-ink); }
.bz-hwcard .bz-btn { margin-top: 6px; }
.bz-sidecta { display: flex; flex-direction: column; gap: 6px; }
.bz-sidecta-t { font-family: var(--bz-font-d); font-weight: 700; font-size: 17px; color: var(--bz-ink); }
.bz-sidecta p { margin: 0 0 6px; }

/* репетитор */
.bz-tutor { display: flex; gap: 14px; align-items: flex-start; }
.bz-tutor-full { background: var(--bz-panel); border: 1px solid var(--bz-line); border-radius: var(--bz-radius); padding: 20px; box-shadow: var(--bz-shadow); }
.bz-tutor-line { background: var(--bz-panel); border: 1px solid var(--bz-line); border-radius: var(--bz-radius); padding: 16px 20px; align-items: center; }
.bz-tutor-ph { width: 56px; height: 56px; border-radius: 50%; flex: none; display: flex; align-items: center; justify-content: center; background: var(--bz-acc-soft); color: var(--bz-acc-ink); font-weight: 800; font-size: 18px; overflow: hidden; }
.bz-tutor-full .bz-tutor-ph { width: 72px; height: 72px; font-size: 22px; }
.bz-tutor-ph img { width: 100%; height: 100%; object-fit: cover; }
.bz-tutor-l { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--bz-mute); }
.bz-tutor-n { font-family: var(--bz-font-d); font-weight: 700; font-size: 17px; color: var(--bz-ink); }
.bz-tutor-full .bz-tutor-n { font-size: 20px; }
.bz-tutor-r { font-size: 14px; color: var(--bz-mute); }
.bz-tutor-g { list-style: none; margin: 6px 0 0; padding: 0; display: flex; flex-direction: column; gap: 3px; font-size: 14px; color: var(--bz-text); }
.bz-tutor-g li { display: flex; gap: 8px; }
.bz-tutor-g li::before { content: ""; width: 14px; height: 14px; flex: none; margin-top: 4px; border-radius: 50%; background: var(--bz-ok-bg); box-shadow: inset 0 0 0 4px var(--bz-ok); }
.bz-tutor-line .bz-tutor-g { flex-direction: row; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--bz-mute); }
.bz-tutor-a { font-size: 14px; color: var(--bz-mute); margin-top: 8px; }
.bz-tutor-a p { margin: 0 0 6px; }

/* ---------- Кабинет ---------- */
.bz-cab-h { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 14px; }
.bz-cab-h p { margin: 4px 0 0; }
.bz-tabs { display: flex; gap: 4px; overflow-x: auto; border-bottom: 1px solid var(--bz-line); scrollbar-width: none; }
.bz-tabs a { flex: none; display: inline-flex; align-items: center; min-height: 46px; padding: 0 14px; color: var(--bz-mute) !important; text-decoration: none; font-weight: 700; border-bottom: 3px solid transparent; margin-bottom: -1px; }
.bz-tabs a.is-on { color: var(--bz-ink) !important; border-color: var(--bz-acc); }
.bz-cab-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--bz-gap); }
.bz-span2 { grid-column: 1 / -1; }
.bz-pred { display: flex; align-items: center; gap: 20px; }
.bz-ring { width: 128px; height: 128px; flex: none; }
.bz-ring-bg { fill: none; stroke: var(--bz-soft); stroke-width: 12; }
.bz-ring-fg { fill: none; stroke: var(--bz-acc); stroke-width: 12; stroke-linecap: round; animation: bzRing 1.6s .2s cubic-bezier(.2,.8,.2,1) both; }
.bz-ring-t { font-family: var(--bz-font-d); font-size: 30px; font-weight: 700; fill: var(--bz-ink); }
.bz-pred-v { font-family: var(--bz-font-d); font-size: 34px; font-weight: 700; color: var(--bz-ink); line-height: 1.1; }
.bz-pred-goal { font-size: 18px; color: var(--bz-mute); font-weight: 600; }
.bz-pred-d { font-weight: 700; font-size: 14px; }
.bz-pred-d.is-up { color: var(--bz-ok-ink); }
.bz-pred-d.is-down { color: var(--bz-bad-ink); }
.bz-kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.bz-kpi { display: flex; flex-direction: column; }
.bz-kpi-l { font-size: 13px; color: var(--bz-mute); }
.bz-kpi-v { font-family: var(--bz-font-d); font-size: 30px; color: var(--bz-ink); line-height: 1.15; }
.bz-kpi-s { font-size: 12px; color: var(--bz-mute); }
.bz-map-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.bz-tile { display: flex; flex-direction: column; gap: 2px; padding: 12px; border-radius: 12px; text-decoration: none; background: var(--bz-none); color: var(--bz-none-ink) !important; animation: bzTile .45s calc(var(--i, 0) * 50ms + .2s) ease both; transition: transform .2s; min-width: 0; }
.bz-tile:hover { transform: translateY(-2px) scale(1.02); }
.bz-tile.is-good { background: var(--bz-ok-bg); color: var(--bz-ok-ink) !important; }
.bz-tile.is-mid { background: var(--bz-warn-bg); color: var(--bz-warn-ink) !important; }
.bz-tile.is-weak { background: var(--bz-bad-bg); color: var(--bz-bad-ink) !important; }
.bz-tile-n { font-size: 12px; font-weight: 700; opacity: .85; }
.bz-tile-v { font-family: var(--bz-font-d); font-size: 22px; }
.bz-tile-t { font-size: 11px; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bz-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; font-size: 13px; color: var(--bz-mute); }
.bz-legend span::before { content: ""; display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.bz-legend .is-good::before { background: var(--bz-ok); } .bz-legend .is-mid::before { background: var(--bz-warn); }
.bz-legend .is-weak::before { background: var(--bz-bad); } .bz-legend .is-none::before { background: var(--bz-none); border: 1px solid var(--bz-line); }
.bz-recs { display: flex; flex-direction: column; gap: 10px; }
.bz-recs .bz-h3 { margin-bottom: 4px; }
.bz-rec { display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 12px; background: var(--bz-soft); }
.bz-rec-b { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.bz-rec-b b { color: var(--bz-ink); }
.bz-rec-b .bz-muted { font-size: 13px; }
.bz-bar { display: block; height: 5px; border-radius: 3px; background: var(--bz-line); overflow: hidden; margin-top: 4px; }
.bz-bar i { display: block; height: 100%; background: var(--bz-bad); border-radius: 3px; animation: bzGrowW 1.2s .4s ease both; }
.bz-word { display: flex; flex-direction: column; gap: 14px; }
.bz-word-b { display: flex; gap: 14px; align-items: flex-start; }
.bz-word-t { font-weight: 700; color: var(--bz-ink); }
.bz-word-c { margin: 4px 0; line-height: 1.5; }
.bz-grade { width: 46px; height: 46px; flex: none; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; font-family: var(--bz-font-d); font-size: 24px; font-weight: 800; background: var(--bz-ok-bg); color: var(--bz-ok-ink); }
.bz-grade.is-empty { background: var(--bz-soft); color: var(--bz-mute); }
.bz-grade-sm { width: 34px; height: 34px; font-size: 18px; }
.bz-hwline { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; background: var(--bz-warn-bg); color: var(--bz-warn-ink) !important; text-decoration: none; flex-wrap: wrap; }
.bz-hwline span { display: inline-flex; align-items: center; gap: 8px; }
.bz-hwline .bz-muted { color: inherit; }
.bz-line-chart { width: 100%; height: auto; display: block; }
.bz-lc-line { fill: none; stroke: var(--bz-acc); stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; stroke-dasharray: 1200; animation: bzDraw 2s .3s ease both; }
.bz-lc-dot { fill: var(--bz-panel); stroke: var(--bz-acc); stroke-width: 2.5; animation: bzFade .3s calc(var(--i) * 150ms + .5s) both; }
.bz-lc-goal { stroke: var(--bz-warn); stroke-width: 1.5; stroke-dasharray: 6 5; }
.bz-lc-gt { fill: var(--bz-warn-ink); font-size: 12px; font-weight: 700; }
.bz-lc-x { fill: var(--bz-mute); font-size: 11px; }
.bz-heat-grid { display: grid; grid-template-columns: repeat(21, minmax(0, 1fr)); gap: 4px; }
.bz-heat-c { aspect-ratio: 1; border-radius: 3px; background: var(--bz-soft); animation: bzFade .3s calc(var(--i) * 8ms) both; }
.bz-heat-c.l1 { background: color-mix(in srgb, var(--bz-acc) 25%, var(--bz-soft)); }
.bz-heat-c.l2 { background: color-mix(in srgb, var(--bz-acc) 50%, var(--bz-soft)); }
.bz-heat-c.l3 { background: color-mix(in srgb, var(--bz-acc) 75%, var(--bz-soft)); }
.bz-heat-c.l4 { background: var(--bz-acc); }

/* таблицы, статусы, журнал */
.bz-table-wrap { overflow-x: auto; }
.bz-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.bz-table th { text-align: left; font-size: 13px; color: var(--bz-mute); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--bz-line); white-space: nowrap; }
.bz-table td { padding: 12px 10px; border-bottom: 1px solid var(--bz-line); vertical-align: middle; }
.bz-table tr:last-child td { border-bottom: 0; }
.bz-pill { display: inline-flex; align-items: center; min-height: 28px; padding: 0 12px; border-radius: var(--bz-pill); font-size: 13px; font-weight: 700; white-space: nowrap; background: var(--bz-soft); color: var(--bz-mute); }
.bz-pill.is-ok { background: var(--bz-ok-bg); color: var(--bz-ok-ink); }
.bz-pill.is-warn { background: var(--bz-warn-bg); color: var(--bz-warn-ink); }
.bz-pill.is-bad { background: var(--bz-bad-bg); color: var(--bz-bad-ink); }
.bz-journal { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.bz-journal-i { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--bz-line); }
.bz-journal-i:last-child { border-bottom: 0; }
.bz-journal-i p { margin: 4px 0 0; }
.bz-empty { text-align: center; padding: 20px 10px; color: var(--bz-mute); }
.bz-empty p { margin: 0 0 14px; }
.bz-flash { padding: 12px 16px; border-radius: var(--bz-radius-sm); font-weight: 600; animation: bzFadeUp .4s ease both; }
.bz-flash.is-ok { background: var(--bz-ok-bg); color: var(--bz-ok-ink); }
.bz-flash.is-bad { background: var(--bz-bad-bg); color: var(--bz-bad-ink); }
.bz-notice { display: flex; gap: 10px; align-items: center; padding: 12px 14px; border-radius: var(--bz-radius-sm); }
.bz-notice.is-warn { background: var(--bz-warn-bg); color: var(--bz-warn-ink); }
.bz-quote { margin: 0; padding: 14px 18px; border-radius: var(--bz-radius-sm); background: var(--bz-soft); color: var(--bz-ink); }
.bz-quote cite { display: block; margin-top: 6px; font-style: normal; font-size: 13px; color: var(--bz-mute); }
.bz-timeline { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.bz-dl { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 6px 14px; margin: 0; }
.bz-dl dt { color: var(--bz-mute); font-size: 14px; }
.bz-dl dd { margin: 0; color: var(--bz-ink); }
.bz-bkinfo { display: flex; flex-direction: column; gap: 14px; }
.bz-bk-when { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; }
.bz-bk-date { font-family: var(--bz-font-d); font-size: 28px; font-weight: 700; color: var(--bz-ink); }
.bz-bk-time { font-size: 18px; color: var(--bz-mute); }
.bz-bkinfo form { display: inline; }
.bz-list { margin: 0 0 10px; padding-left: 18px; }
.bz-ticks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.bz-ticks li { display: flex; gap: 10px; }
.bz-ticks li::before { content: "✓"; color: var(--bz-ok); font-weight: 800; }
.bz-code { font-family: ui-monospace, monospace; font-size: 30px; font-weight: 800; letter-spacing: .18em; padding: 14px 18px; border-radius: var(--bz-radius-sm); background: var(--bz-soft); color: var(--bz-ink); text-align: center; cursor: pointer; transition: background-color .2s; }
.bz-code.is-copied { background: var(--bz-ok-bg); color: var(--bz-ok-ink); }
.bz-code-in { text-transform: uppercase; letter-spacing: .12em; font-weight: 700; }
.bz-inline-form { display: flex; gap: 10px; flex-wrap: wrap; }
.bz-inline-form input { flex: 1; min-width: 160px; width: auto; }

/* ---------- Формы ---------- */
.bz-form { display: flex; flex-direction: column; gap: 14px; }
.bz-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.bz-field label { font-weight: 600; font-size: 14px; color: var(--bz-ink); }
.bz-field input:focus, .bz-field select:focus, .bz-field textarea:focus { border-color: var(--bz-acc); outline: none; box-shadow: 0 0 0 3px var(--bz-acc-soft); }
.bz-field[hidden] { display: none; }
.bz-req { color: var(--bz-bad); }
.bz-grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.bz-grid2 .bz-span2 { grid-column: 1 / -1; }
.bz-check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; cursor: pointer; }
.bz-check input { width: 20px; height: 20px; margin-top: 1px; flex: none; accent-color: var(--bz-acc); }
.bz-fs { border: 0; padding: 0; margin: 0 0 18px; }
.bz-fs legend { font-weight: 700; color: var(--bz-ink); margin-bottom: 10px; }
.bz-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px; }
.bz-pick-i { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border-radius: var(--bz-radius-sm); border: 1px solid var(--bz-line); cursor: pointer; min-height: 48px; }
.bz-pick-i input { width: 18px; height: 18px; accent-color: var(--bz-acc); }
.bz-pick-tools { display: flex; gap: 16px; margin-top: 10px; }
.bz-warn { color: var(--bz-bad-ink); font-weight: 700; margin-top: 10px; }
.bz-variant { display: flex; flex-direction: column; gap: var(--bz-gap); }
.bz-variant-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.bz-score { font-size: 20px; color: var(--bz-ink); }
.bz-score b { font-family: var(--bz-font-d); font-size: 28px; }
.bz-done-ok .bz-task { border-left: 4px solid var(--bz-ok); }
.bz-done-bad .bz-task { border-left: 4px solid var(--bz-bad); }
.bz-hw-h { align-items: flex-start; }
.bz-hw-res { display: flex; flex-wrap: wrap; gap: 18px 30px; align-items: center; }
.bz-hw-score { font-size: 18px; }
.bz-hw-score b { font-family: var(--bz-font-d); font-size: 40px; color: var(--bz-ink); }

/* ---------- Запись ---------- */
.bz-bk { display: flex; flex-direction: column; gap: var(--bz-gap); }
.bz-step-h { display: flex; align-items: center; gap: 10px; font-family: var(--bz-font-d); font-size: 19px; color: var(--bz-ink); margin: 0 0 14px; }
.bz-step-n { width: 30px; height: 30px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: var(--bz-acc); color: var(--bz-on-acc); font-size: 15px; font-weight: 800; }
.bz-services { display: flex; flex-direction: column; gap: 10px; }
.bz-service { display: flex; gap: 14px; align-items: center; padding: 16px; border-radius: var(--bz-radius-sm); border: 2px solid var(--bz-line); cursor: pointer; transition: border-color .2s, background-color .2s, transform .2s; }
.bz-service:hover { transform: translateY(-1px); }
.bz-service input { width: 20px; height: 20px; accent-color: var(--bz-acc); flex: none; }
.bz-service:has(input:checked) { border-color: var(--bz-acc); background: var(--bz-acc-soft); }
.bz-service-b { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.bz-service-n { font-weight: 800; color: var(--bz-ink); }
.bz-service-d { font-size: 14px; color: var(--bz-mute); }
.bz-service-m { font-size: 13px; color: var(--bz-mute); display: inline-flex; align-items: center; gap: 6px; }
.bz-service-p { font-family: var(--bz-font-d); font-weight: 800; font-size: 19px; color: var(--bz-ink); white-space: nowrap; }
.bz-days { display: flex; gap: 8px; overflow-x: auto; padding: 4px 2px 10px; scrollbar-width: thin; }
.bz-day { flex: none; width: 66px; min-height: 76px; border-radius: var(--bz-radius-sm); border: 1px solid var(--bz-line); background: var(--bz-panel); color: var(--bz-ink); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0; cursor: pointer; animation: bzFadeUp .35s calc(var(--i) * 30ms) both; transition: transform .15s, background-color .2s; }
.bz-day:hover { transform: translateY(-2px); }
.bz-day[aria-pressed="true"] { background: var(--bz-acc); color: var(--bz-on-acc); border-color: transparent; }
.bz-day-w, .bz-day-m { font-size: 12px; opacity: .8; }
.bz-day-d { font-size: 22px; font-family: var(--bz-font-d); }
.bz-times { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 8px; margin-top: 6px; }
.bz-time { min-height: 44px; border-radius: var(--bz-radius-sm); border: 1px solid var(--bz-line); background: var(--bz-bg); color: var(--bz-ink); font-weight: 700; cursor: pointer; animation: bzFadeUp .3s calc(var(--i) * 20ms) both; transition: background-color .2s, transform .15s; }
.bz-time:hover { transform: translateY(-1px); }
.bz-time[aria-pressed="true"] { background: var(--bz-acc); color: var(--bz-on-acc); border-color: transparent; }
.bz-picked { font-weight: 700; color: var(--bz-ink); margin: 12px 0 0; }
.bz-bk-total { font-weight: 700; color: var(--bz-ink); margin: 14px 0 10px; }
.bz-bk-note { text-align: center; margin: 8px 0 0; font-size: 14px; }

/* вход / регистрация */
.bz-auth { display: grid; grid-template-columns: minmax(0, 460px) minmax(0, 360px); gap: var(--bz-gap); justify-content: center; align-items: start; padding-top: 10px; }
.bz-auth-card { display: flex; flex-direction: column; gap: 16px; }
.bz-demo-logins { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 12px; border-radius: var(--bz-radius-sm); background: var(--bz-soft); }
.bz-auth-links { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin: 0; font-size: 14px; }

/* демо-плашка */
body.bz:has(.bz-demo) .bz-foot { padding-bottom: 64px; }
.bz-demo { position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%); z-index: 50; display: flex; align-items: center; gap: 4px; padding: 6px; border-radius: var(--bz-pill); background: #11151d; color: #fff; box-shadow: 0 10px 30px rgba(0,0,0,.3); font: 600 14px/1 system-ui, sans-serif; animation: bzFadeUp .5s .5s both; }
.bz-demo-t { padding: 0 10px 0 12px; opacity: .7; }
.bz-demo a { display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px; border-radius: var(--bz-pill); color: #fff !important; text-decoration: none; }
.bz-demo a.is-on { background: #fff; color: #11151d !important; }

/* ---------- Анимации ---------- */
.bz-anim { opacity: 0; transform: translateY(14px); }
.bz-anim.is-in { animation: bzFadeUp .6s var(--d, 0ms) cubic-bezier(.2,.8,.2,1) both; }
@keyframes bzFadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes bzFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes bzPop { 0% { transform: scale(.7); } 60% { transform: scale(1.12); } 100% { transform: scale(1); } }
@keyframes bzShake { 0%, 100% { transform: none; } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
@keyframes bzPulse { 0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--bz-acc) 50%, transparent); } 50% { box-shadow: 0 0 0 6px transparent; } }
@keyframes bzGlow { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--bz-ok) 45%, transparent); } 100% { box-shadow: 0 0 0 18px transparent; } }
@keyframes bzRing { from { stroke-dasharray: 0 314.16; } }
@keyframes bzTile { from { opacity: 0; transform: scale(.85); } to { opacity: 1; transform: none; } }
@keyframes bzGrowW { from { width: 0; } }
@keyframes bzDraw { from { stroke-dashoffset: 1200; } to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .bz *, .bz *::before, .bz *::after { animation: none !important; transition: none !important; }
  .bz-anim { opacity: 1; transform: none; }
}

/* ---------- Адаптив ---------- */
@media (max-width: 1080px) {
  .bz-cols { grid-template-columns: minmax(0, 1fr) 280px; }
  .bz-map-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .bz-wrap { padding: 0 16px; }
  .bz-main { padding-top: 16px; }
  .bz-cols, .bz-hero, .bz-cab-grid, .bz-auth { grid-template-columns: minmax(0, 1fr); }
  .bz-quick { grid-template-columns: minmax(0, 1fr); }
  .bz-top-in { min-height: 58px; justify-content: space-between; }
  .bz-menu { flex: none; position: static; }
  .bz-menu-btn { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: var(--bz-radius-sm); border: 1px solid var(--bz-line); cursor: pointer; color: var(--bz-ink); }
  .bz-menu[open] > .bz-menu-body { position: absolute; left: 0; right: 0; top: 100%; background: var(--bz-panel); border-bottom: 1px solid var(--bz-line); padding: 12px 16px 16px; flex-direction: column; align-items: stretch; box-shadow: 0 14px 30px rgba(0,0,0,.15); animation: bzFadeUp .25s ease both; }
  .bz-menu-body .bz-nav { flex-direction: column; }
  .bz-top-tools { justify-content: space-between; }
  .bz-map-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bz-grid2 { grid-template-columns: minmax(0, 1fr); }
  .bz-heat-grid { grid-template-columns: repeat(14, minmax(0, 1fr)); }
  .bz-task-meta { margin-left: 0; width: 100%; }
  .bz-pred { flex-direction: column; text-align: center; }
  .bz-table th:nth-child(2), .bz-table td:nth-child(2) { display: none; }
  .bz-demo { bottom: 10px; left: 10px; right: 10px; transform: none; justify-content: center; animation: none; }
  .bz-demo a { padding: 0 10px; font-size: 13px; }
  .bz-demo-t { display: none; }
}
@media (max-width: 860px) {
  .bz-menu:not([open]) > .bz-menu-body { display: none; }
}
@media (max-width: 640px) {
  .bz-table thead { display: none; }
  .bz-table, .bz-table tbody, .bz-table tr, .bz-table td { display: block; width: 100%; }
  .bz-table tr { padding: 12px 0; border-bottom: 1px solid var(--bz-line); }
  .bz-table tr:last-child { border-bottom: 0; }
  .bz-table td { border: 0; padding: 4px 0; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
  .bz-table td[data-label]:not([data-label=""])::before { content: attr(data-label); color: var(--bz-mute); font-size: 13px; flex: none; }
  .bz-table td:first-child { display: block; }
  .bz-table td:first-child::before { display: none; }
  .bz-table td:last-child { padding-top: 8px; }
  .bz-table td:last-child .bz-btn { width: 100%; }
  .bz-table th:nth-child(2), .bz-table td:nth-child(2) { display: flex; }
}
@media (max-width: 480px) {
  .bz-card { padding: 16px; }
  .bz-nums { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .bz-answer input { width: 100%; }
  .bz-answer-box, .bz-answer .bz-btn { flex: 1 1 100%; }
  .bz-service { flex-wrap: wrap; }
  .bz-lines { grid-template-columns: minmax(0, 1fr); }
}
@media print {
  .bz-top, .bz-side-nav, .bz-foot, .bz-col-side, .bz-demo, .bz-variant-h .bz-row-actions, .bz-variant-foot, .bz-task-actions { display: none !important; }
  .bz-anim { opacity: 1 !important; transform: none !important; }
  body.bz { background: #fff; }
  .bz-card { border: 0; box-shadow: none; padding: 0 0 18px; break-inside: avoid; }
}