/* ============================================================
   RuStart — дизайн-система
   Тёплая палитра, Nunito, акварельные градиенты, геймификация.
   ============================================================ */

/* Nunito лежит у нас: с fonts.googleapis.com его css блокировал рендер почти на секунду */
@font-face {
    font-family: 'Nunito';
    font-style: normal;
    font-weight: 400 900;
    font-display: swap;
    src: url("../fonts/nunito-cyrillic-j5J-TBW.woff2") format('woff2');
    unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
    font-family: 'Nunito';
    font-style: normal;
    font-weight: 400 900;
    font-display: swap;
    src: url("../fonts/nunito-latin-nQjjZd5.woff2") format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
    --bg: #faf6ef;
    --bg-soft: #fffdf9;
    --bg-sand: #f4eee3;
    --ink: #39323f;
    --ink-2: #4a3f54;
    --muted: #6a6172;
    --muted-2: #6c6475;
    --muted-3: #6f6878;

    --coral: #e3654a;
    --coral-ink: #ab4d38;
    --coral-strong: #bf553e;
    --coral-deep: #b1432c;
    --coral-soft: #fce6df;
    --coral-line: rgba(227, 101, 74, .35);

    --violet: #8a63cf;
    --violet-deep: #6d50b1;
    --violet-soft: #efe9fa;

    --green: #3aa182;
    --green-strong: #30846b;
    --green-deep: #266f58;
    --green-soft: #e3f4ee;

    --yellow: #ecc34e;
    --yellow-deep: #856713;
    --yellow-soft: #fbf3da;

    --blue: #3f7bcf;
    --blue-strong: #3c76c7;
    --blue-deep: #3162a8;
    --blue-soft: #e6effa;

    --orange: #df8a2f;
    --orange-deep: #935711;
    --orange-soft: #fbeedd;

    --line: rgba(57, 50, 63, .09);
    --line-soft: rgba(57, 50, 63, .06);
    --line-strong: rgba(57, 50, 63, .2);
    --shadow-card: 0 8px 24px rgba(57, 50, 63, .06);
    --shadow-float: 0 12px 28px rgba(57, 50, 63, .16);

    --radius: 22px;
    --radius-lg: 26px;
    --maxw: 1180px;
    --font: "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
/* Атрибут hidden слабее любого класса с display, а прячут элементы им (rs-row и прочие). */
[hidden] { display: none !important; }

html {
    -webkit-text-size-adjust: 100%;
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    overflow-x: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

a { color: var(--coral-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
/* ссылка посреди текста должна отличаться не только цветом */
p a:not(.rs-btn), .rs-prose a:not(.rs-btn), li a.rs-inline { text-decoration: underline; }
img { max-width: 100%; }
h1, h2, h3, h4 { margin: 0; letter-spacing: -.01em; }
p { margin: 0; }

/* grain overlay */
.rs-grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 50;
    opacity: .05;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@keyframes rs-fillx { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes rs-floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes rs-floaty2 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(8px); } }
@keyframes rs-autoflip { 0%, 38% { transform: rotateY(0); } 50%, 88% { transform: rotateY(180deg); } 100% { transform: rotateY(360deg); } }
@keyframes rs-drift { 0%, 100% { transform: translate(0, 0) rotate(0); } 50% { transform: translate(14px, -12px) rotate(4deg); } }
@keyframes rs-featherfall {
    0% { transform: translateY(-40px) translateX(0) rotate(0deg); opacity: 0; }
    8%, 92% { opacity: .9; }
    100% { transform: translateY(var(--fall, 900px)) translateX(var(--drift, 60px)) rotate(var(--spin, 320deg)); opacity: 0; }
}

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

/* ===== layout ===== */
.rs-container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.rs-section { padding: 60px 0; }
.rs-page { padding: 44px 0 20px; }

.rs-grid { display: grid; gap: 20px; }
.rs-grid-2 { grid-template-columns: repeat(2, 1fr); }
.rs-grid-3 { grid-template-columns: repeat(3, 1fr); }
.rs-grid-4 { grid-template-columns: repeat(4, 1fr); }

.rs-stack { display: flex; flex-direction: column; }
.rs-row { display: flex; align-items: center; }
.rs-wrap { flex-wrap: wrap; }
.rs-gap-2 { gap: 8px; }
.rs-gap-3 { gap: 14px; }
.rs-between { justify-content: space-between; }
.rs-center { text-align: center; }
.rs-mt-2 { margin-top: 12px; }
.rs-mt-3 { margin-top: 20px; }
.rs-mt-4 { margin-top: 28px; }

/* ===== headings ===== */
.rs-eyebrow {
    display: inline-block;
    background: #fff;
    color: var(--muted-2);
    font-weight: 800;
    font-size: 12px;
    letter-spacing: .02em;
    padding: 7px 15px;
    border-radius: 99px;
    box-shadow: 0 2px 10px rgba(57, 50, 63, .06);
}
.rs-h-section { font-size: 34px; font-weight: 900; color: var(--ink); }
.rs-sub { font-size: 16px; color: var(--muted-2); margin-top: 10px; line-height: 1.5; }

/* ===== nav ===== */
.rs-nav {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(10px);
    background: rgba(250, 246, 239, .82);
    border-bottom: 1px solid var(--line-soft);
}
.rs-nav__inner {
    max-width: var(--maxw);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 28px;
    gap: 20px;
}
/* margin-right забирает свободное место, иначе space-between раздвинул бы
   ссылки и счётчик перьев по всей ширине */
.rs-brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.rs-brand, .rs-brand:hover { text-decoration: none; }
.rs-brand img { height: 36px; width: auto; display: block; }
.rs-brand__name { font-weight: 900; font-size: 20px; color: var(--ink); }
.rs-brand__name .dot { color: var(--coral-ink); }
.rs-nav__links { display: flex; align-items: center; gap: 24px; font-weight: 700; font-size: 14.5px; color: var(--muted); }
.rs-nav__links a { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); }
.rs-nav__links a:hover { color: var(--ink); text-decoration: none; }
/* «Войти» в шапке — кнопка: цвет ссылок навигации ей не годится */
.rs-nav__links a.rs-btn--primary, .rs-nav__links a.rs-btn--primary:hover { color: #fff; }
.rs-nav__links a.is-active { color: var(--ink); }
.rs-nav__links a .rs-icon { color: var(--muted-3); }
.rs-nav__links a:hover .rs-icon, .rs-nav__links a.is-active .rs-icon { color: var(--coral); }
.rs-nav__inner .rs-nav__mobile-toggle { display: none; }
.rs-nav__user { display: flex; align-items: center; gap: 12px; }
.rs-nav__me { gap: 9px !important; }
/* красная точка висит на колокольчике, поэтому ссылка — точка отсчёта */
.rs-nav__links a.rs-nav__bell { position: relative; }
.rs-nav__dot {
    position: absolute;
    left: 12px;
    top: 50%;
    margin-top: -11px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--coral);
    box-shadow: 0 0 0 2px var(--bg);
}
/* бургер — одна иконка, полные отступы кнопки ему велики */
.rs-nav__inner .rs-nav__mobile-toggle { position: relative; padding: 9px 11px; }
.rs-nav__dot--corner { left: auto; right: 5px; top: 5px; margin-top: 0; }
.rs-nav__dot--avatar { left: 21px; top: 50%; margin-top: -14px; }
.rs-nav__me-name { max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* счётчик перьев в шапке (.rs-feathers занят падающими перьями в hero) */
.rs-nav__feathers {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--bg-sand);
    border: 1px solid var(--line-soft);
    font-weight: 800;
    font-size: 14px;
    color: var(--ink);
}
.rs-nav__feathers:hover { text-decoration: none; color: var(--ink); border-color: var(--line); }
.rs-nav__feathers .rs-icon { width: 16px; height: 16px; color: var(--coral); }
.rs-nav__feathers.is-bump { animation: rs-feathers-bump .4s ease; }
@keyframes rs-feathers-bump { 40% { transform: scale(1.2); } }

/* пристыкован к кнопке пользователя: вместе — одна капсула из двух сегментов */
.rs-dd--user { border: 1px solid var(--line-soft); border-radius: 999px; }
.rs-nav__feathers--docked { border: 0; border-right: 1px solid var(--line-soft); border-radius: 999px 0 0 999px; }
.rs-nav__feathers--docked:hover { background: var(--bg); border-color: var(--line); }
.rs-dd--user .rs-dd__toggle { padding: 5px 12px 5px 9px; }
.rs-dd--user .rs-nav__dot--avatar { left: 30px; }

/* дубль у бургера, пока меню с виджетом пользователя свёрнуто */
.rs-nav__feathers--bar { display: none; }

/* перо в полёте к счётчику; траекторию задаёт WAAPI */
.rs-feather-fly { position: fixed; z-index: 60; pointer-events: none; }
.rs-feather-fly .rs-icon { width: 20px; height: 20px; color: var(--coral); }

/* строка «+N перьев» в итоге тренажёра и теста */
.rs-feathers-gain { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; font-weight: 800; color: var(--coral-ink); }
.rs-feathers-gain .rs-icon { width: 18px; height: 18px; color: var(--coral); }

/* счётчик перьев в таблицах (список учеников) */
.rs-feather-count { display: inline-flex; align-items: center; gap: 4px; font-weight: 700; }
.rs-feather-count .rs-icon { width: 14px; height: 14px; color: var(--coral); }

/* ===== icons / avatar ===== */
.rs-icon { width: 19px; height: 19px; flex: none; }

.rs-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
    flex: none;
    background: var(--bg-sand);
    box-shadow: 0 0 0 2px var(--bg-soft), 0 0 0 3.5px var(--line);
}
.rs-avatar--letter {
    display: grid;
    place-items: center;
    background: var(--violet-soft);
    color: var(--violet-deep);
    font-weight: 900;
    font-size: 14px;
    line-height: 1;
}

/* nav dropdown */
/* display:flex — иначе строчный контекст добавляет снизу место под descender и пункт «Темы» встаёт выше соседей */
.rs-dd { position: relative; display: flex; }
.rs-dd__toggle {
    font-family: var(--font);
    font-weight: 700;
    font-size: 14.5px;
    line-height: inherit;
    color: var(--muted);
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.rs-dd__toggle:hover, .rs-dd__toggle.is-active { color: var(--ink); }
.rs-dd__toggle .rs-icon { color: var(--muted-3); }
.rs-dd__toggle:hover .rs-icon, .rs-dd__toggle.is-active .rs-icon { color: var(--coral); }
.rs-dd__caret { width: 14px; height: 14px; color: inherit !important; transition: transform .2s ease; }
.rs-dd.is-open .rs-dd__caret { transform: rotate(180deg); }
.rs-dd__menu {
    display: none;
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    width: 420px;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2px 10px;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-float);
    padding: 14px;
    z-index: 50;
}
.rs-dd.is-open .rs-dd__menu { display: grid; }
.rs-dd__menu a {
    color: var(--ink-2);
    font-weight: 700;
    font-size: 14px;
    padding: 9px 12px;
    border-radius: 12px;
    line-height: 1.3;
}
.rs-dd__menu a:hover { background: var(--bg-sand); color: var(--ink); text-decoration: none; }
/* меню пользователя — одна колонка у правого края, не растянутая сетка «Тем» */
.rs-dd--user .rs-dd__toggle { position: relative; }
.rs-dd__menu--user { width: 236px; grid-template-columns: 1fr; left: auto; right: 0; transform: none; }
.rs-dd__menu--user a { display: flex; align-items: center; gap: 9px; }
.rs-dd__menu--user .rs-icon { width: 17px; height: 17px; color: var(--muted-3); }
.rs-dd__menu--user a:hover .rs-icon { color: var(--coral); }
.rs-dd__dot { width: 8px; height: 8px; flex: none; margin-left: auto; border-radius: 50%; background: var(--coral); }
.rs-dd__all {
    grid-column: 1 / -1;
    color: var(--coral) !important;
    border-top: 1px solid var(--line-soft);
    margin-top: 4px;
    padding-top: 12px !important;
    border-radius: 0 !important;
}

/* topics catalog */
.rs-topics {
    columns: 3;
    column-gap: 22px;
}
.rs-topic-card {
    display: block;
    break-inside: avoid;
    margin-bottom: 22px;
    border-top: 3px solid var(--accent);
    scroll-margin-top: 90px;
}
.rs-topic-card__count {
    flex-shrink: 0;
    font-size: 12.5px;
    font-weight: 800;
    color: color-mix(in srgb, var(--accent) 45%, #2a2431);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    padding: 4px 11px;
    border-radius: 999px;
    white-space: nowrap;
}
.rs-topic-list { list-style: none; margin: 0; padding: 0; }
.rs-topic-list li {
    position: relative;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--ink-2);
    line-height: 1.35;
    padding: 8px 0 8px 18px;
    border-bottom: 1px solid var(--line-soft);
}
.rs-topic-list li:last-child { border-bottom: 0; }
.rs-topic-list li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 15px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    opacity: .55;
}
.rs-rules { scroll-margin-top: 90px; }
.rs-rules-list {
    columns: 3;
    column-gap: 28px;
}
.rs-rules-list li { break-inside: avoid; }

/* ===== buttons ===== */
.rs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font);
    font-weight: 800;
    font-size: 16px;
    line-height: 1;
    padding: 13px 26px;
    border-radius: 15px;
    /* Прозрачная рамка у всех: иначе кнопка с обводкой на 4px выше сплошной. */
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform .08s ease, box-shadow .08s ease;
    white-space: nowrap;
}
.rs-btn:hover { text-decoration: none; }
.rs-btn:active { transform: translateY(2px); }
.rs-btn--primary { background: var(--coral-strong); color: #fff; box-shadow: 0 5px 0 var(--coral-deep); }
.rs-btn--primary:active { box-shadow: 0 3px 0 var(--coral-deep); }
.rs-btn--blue { background: var(--blue-strong); color: #fff; box-shadow: 0 5px 0 var(--blue-deep); }
.rs-btn--blue:active { box-shadow: 0 3px 0 var(--blue-deep); }
.rs-btn--light { background: #fff; color: var(--muted); border: 2px solid var(--line); box-shadow: 0 5px 0 var(--line-strong); }
.rs-btn--light:active { box-shadow: 0 3px 0 var(--line-strong); }
.rs-btn--outline { background: transparent; color: var(--coral-ink); border: 2px solid var(--coral); box-shadow: 0 5px 0 var(--coral); }
.rs-btn--outline:active { box-shadow: 0 3px 0 var(--coral); }
.rs-btn--ghost { background: transparent; color: var(--muted); box-shadow: none; }
.rs-btn--ghost:hover { background: rgba(57, 50, 63, .05); }
.rs-btn--sm { font-size: 13.5px; padding: 7px 14px; border-radius: 11px; gap: 6px; }
.rs-btn--pill { border-radius: 99px; padding: 8px 20px; font-size: 14.5px; }
.rs-btn--danger-o { background: transparent; color: var(--coral-deep); border: 2px solid var(--coral-soft); box-shadow: 0 5px 0 var(--coral-line); }
.rs-btn--danger-o:active { box-shadow: 0 3px 0 var(--coral-line); }
.rs-btn--block { width: 100%; }
/* Ряд действий с разными подписями: кнопки одной ширины, чтобы столбик не прыгал. */
.rs-btn--fixed { min-width: 180px; }
/* Кнопка из одной иконки: карандаш правки в строке профиля. */
.rs-btn--icon { padding: 5px; border-radius: 10px; background: transparent; color: var(--muted); box-shadow: none; }
.rs-btn--icon:hover { background: rgba(57, 50, 63, .06); color: var(--ink); }
.rs-btn--icon svg { width: 18px; height: 18px; }
.rs-btn:disabled { opacity: .5; cursor: not-allowed; }
.rs-btn__icon { width: 20px; height: 20px; flex: none; }
.rs-btn--sm .rs-btn__icon { width: 17px; height: 17px; }
.rs-btn--ghost .rs-btn__icon { width: 19px; height: 19px; }

/* ===== pills / badges ===== */
.rs-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 800;
    font-size: 11.5px;
    padding: 5px 12px;
    border-radius: 99px;
    background: var(--bg-sand);
    color: var(--muted-2);
    letter-spacing: .01em;
}
.rs-pill--violet { background: var(--violet-soft); color: var(--violet-deep); }
.rs-pill--coral  { background: var(--coral-soft); color: var(--coral-deep); }
.rs-pill--green  { background: var(--green-soft); color: var(--green-deep); }
.rs-pill--yellow { background: var(--yellow-soft); color: var(--yellow-deep); }
.rs-pill--blue   { background: var(--blue-soft); color: var(--blue-deep); }
.rs-pill--orange { background: var(--orange-soft); color: var(--orange-deep); }
.rs-pill--muted  { background: var(--bg-sand); color: var(--muted-3); }
.rs-pill__icon { width: 14px; height: 14px; }

/* ===== cards ===== */
.rs-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    border: 1.5px solid var(--line-soft);
    box-shadow: var(--shadow-card);
}
.rs-card__title { font-weight: 800; font-size: 18px; color: var(--ink); }
a.rs-card__title:hover { color: var(--coral-deep); }
.rs-card__text { font-size: 14px; line-height: 1.55; color: var(--muted-2); margin-top: 7px; }
.rs-card-link { transition: transform .12s ease, box-shadow .12s ease; }
.rs-card-link:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(57, 50, 63, .1); text-decoration: none; }
/* Материал, до которого ученика не пускают: показываем, но не открываем. */
.rs-card--locked { opacity: .62; cursor: default; }
.rs-card--locked:hover { transform: none; box-shadow: var(--shadow-card); }

/* ===== уведомления ===== */
.rs-note { display: flex; align-items: flex-start; gap: 16px; padding: 18px 22px; color: var(--ink); }
.rs-note--new { border-color: var(--coral); background: var(--bg-soft); }
.rs-note__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--violet-soft);
    color: var(--violet-deep);
}
.rs-note--new .rs-note__icon { background: var(--coral-soft); color: var(--coral-deep); }
.rs-note__body { min-width: 0; flex: 1; }

/* ===== страница с боковыми вкладками (профиль) ===== */
.rs-side-layout { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: 28px; align-items: start; }
/* top учитывает липкую шапку, иначе вкладки уезжают под неё */
.rs-sidenav { position: sticky; top: 84px; display: flex; flex-direction: column; gap: 3px; }
.rs-sidenav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 14.5px;
    color: var(--muted);
    transition: background .12s ease, color .12s ease;
}
.rs-sidenav a:hover { background: var(--bg-sand); color: var(--ink); text-decoration: none; }
.rs-sidenav a.is-active { background: var(--violet-soft); color: var(--violet-deep); }
.rs-sidenav a .rs-icon { color: var(--muted-3); }
.rs-sidenav a:hover .rs-icon { color: var(--coral); }
.rs-sidenav a.is-active .rs-icon { color: var(--violet); }

/* ===== progress ===== */
.rs-progress { height: 8px; background: var(--bg-sand); border-radius: 99px; overflow: hidden; }
.rs-progress__bar { height: 100%; border-radius: 99px; transform-origin: left; animation: rs-fillx 1.4s .1s cubic-bezier(.2, .7, .2, 1) both; }

/* ===== hero ===== */
.rs-hero { position: relative; overflow: hidden; }
.rs-blob { position: absolute; filter: blur(26px); pointer-events: none; }
.rs-blob--v { width: 520px; height: 520px; left: -120px; top: -140px; border-radius: 46% 54% 60% 40% / 52% 44% 56% 48%; background: radial-gradient(circle at 40% 40%, rgba(138, 99, 207, .34), transparent 68%); animation: rs-drift 14s ease-in-out infinite; }
.rs-blob--y { width: 460px; height: 460px; right: -100px; top: -60px; border-radius: 54% 46% 42% 58% / 48% 56% 44% 52%; background: radial-gradient(circle at 50% 50%, rgba(236, 195, 78, .36), transparent 66%); animation: rs-drift 16s ease-in-out 1s infinite; }
.rs-blob--g { width: 420px; height: 420px; left: 38%; bottom: -220px; border-radius: 50%; background: radial-gradient(circle at 50% 50%, rgba(58, 161, 130, .28), transparent 66%); animation: rs-drift 18s ease-in-out .5s infinite; }

.rs-feathers { position: absolute; inset: 0; z-index: 2; pointer-events: none; overflow: hidden; }
.rs-feathers img { position: absolute; top: -40px; opacity: 0; animation-name: rs-featherfall; animation-timing-function: linear; animation-iteration-count: infinite; }

.rs-hero__grid {
    position: relative;
    max-width: var(--maxw);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 30px;
    padding: 64px 28px 72px;
    align-items: center;
}
.rs-hero__eyebrow {
    display: inline-block;
    background: rgba(255, 255, 255, .7);
    color: #9a6a23;
    font-weight: 800;
    font-size: 12.5px;
    padding: 8px 16px;
    border-radius: 99px;
    letter-spacing: .02em;
    box-shadow: 0 2px 10px rgba(57, 50, 63, .06);
}
.rs-hero__title { font-size: 52px; line-height: 1.04; font-weight: 900; color: var(--ink); margin-top: 20px; letter-spacing: -.02em; }
.rs-hero__lead { font-size: 18px; line-height: 1.55; color: var(--muted); font-weight: 500; margin-top: 18px; max-width: 450px; }
.rs-hero__cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.rs-avatars { display: flex; align-items: center; gap: 11px; margin-top: 26px; }
.rs-avatars__stack { display: flex; }
.rs-avatars__dot { width: 36px; height: 36px; border-radius: 50%; border: 2.5px solid var(--bg); }
.rs-avatars__dot + .rs-avatars__dot { margin-left: -11px; }
.rs-avatars__label { font-weight: 700; font-size: 14.5px; color: var(--muted); }

.rs-hero__art { position: relative; height: 420px; }
.rs-hero__mascot { position: absolute; inset: 0; display: grid; place-items: center; }
.rs-hero__mascot img { position: relative; width: 400px; height: auto; filter: drop-shadow(0 18px 34px rgba(227, 101, 74, .28)); animation: rs-floaty 6s ease-in-out infinite; }
.rs-hero__glow {
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(244, 178, 58, .34), rgba(227, 101, 74, .16) 42%, rgba(169, 95, 214, .1) 66%, transparent 74%);
    filter: blur(6px);
}
.rs-float { position: absolute; background: #fff; border-radius: 18px; box-shadow: var(--shadow-float); animation: rs-floaty 4.5s ease-in-out infinite; }
.rs-float--tr { top: 6px; right: 8px; padding: 13px 17px; }
.rs-float--bl { bottom: 18px; left: -6px; padding: 14px 17px; width: 200px; animation: rs-floaty2 5.5s ease-in-out .6s infinite; }
.rs-float--tag { top: 46%; left: -10px; background: var(--green-strong); color: #fff; font-weight: 800; font-size: 12px; padding: 8px 13px; border-radius: 12px; box-shadow: 0 8px 20px rgba(58, 161, 130, .34); animation: rs-floaty 5s ease-in-out 1.2s infinite; }

/* ===== tinted section backgrounds ===== */
.rs-band-soft {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 18% 25%, rgba(227, 101, 74, .1), transparent 42%),
        radial-gradient(circle at 85% 75%, rgba(58, 161, 130, .1), transparent 42%),
        var(--bg-soft);
}
.rs-band-sand {
    position: relative;
    background:
        radial-gradient(circle at 15% 20%, rgba(138, 99, 207, .08), transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(236, 195, 78, .1), transparent 40%),
        radial-gradient(circle at 70% 90%, rgba(58, 161, 130, .08), transparent 40%),
        var(--bg-sand);
}

/* diagnostic mock card */
.rs-quizcard { background: #fff; border-radius: var(--radius-lg); padding: 26px; box-shadow: 0 18px 44px rgba(57, 50, 63, .12); border: 1.5px solid var(--line-soft); }
.rs-opt { display: flex; align-items: center; gap: 12px; border: 1.5px solid var(--line); border-radius: 14px; padding: 13px 16px; font-weight: 700; font-size: 15px; color: var(--muted); }
.rs-opt__key { width: 24px; height: 24px; border-radius: 8px; background: var(--bg-sand); display: grid; place-items: center; font-weight: 800; font-size: 13px; color: var(--muted-3); }
.rs-opt--correct { border: 2px solid var(--green); color: var(--green-deep); background: var(--green-soft); }
.rs-opt--correct .rs-opt__key { background: var(--green-strong); color: #fff; }

/* ===== service / feature icon tiles ===== */
.rs-ftile { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 16px; }
.rs-ftile--v { color: var(--violet-deep); background: radial-gradient(circle at 30% 25%, rgba(138, 99, 207, .28), transparent 65%), var(--violet-soft); }
.rs-ftile--c { color: var(--coral-deep); background: radial-gradient(circle at 30% 25%, rgba(227, 101, 74, .26), transparent 65%), var(--coral-soft); }
.rs-ftile--g { color: var(--green-deep); background: radial-gradient(circle at 30% 25%, rgba(58, 161, 130, .26), transparent 65%), var(--green-soft); }
.rs-ftile--y { color: var(--yellow-deep); background: radial-gradient(circle at 30% 25%, rgba(236, 195, 78, .34), transparent 65%), var(--yellow-soft); }

/* ===== flip card ===== */
.rs-flipwrap {
    position: relative;
    background:
        radial-gradient(circle at 12% 18%, rgba(138, 99, 207, .16), transparent 45%),
        radial-gradient(circle at 90% 85%, rgba(227, 101, 74, .14), transparent 45%),
        #fffdfa;
    border-radius: 30px;
    border: 1.5px solid var(--line-soft);
    padding: 44px 40px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 44px;
    align-items: center;
    box-shadow: 0 12px 36px rgba(57, 50, 63, .06);
    overflow: hidden;
}
.rs-flip { perspective: 1100px; width: 300px; height: 188px; }
.rs-flip__inner { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; animation: rs-autoflip 7s ease-in-out infinite; }
.rs-flip__face { position: absolute; inset: 0; backface-visibility: hidden; border-radius: 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 9px; }
.rs-flip__front { background: #fff; border: 2px solid var(--violet-soft); box-shadow: 0 16px 34px rgba(57, 50, 63, .12); }
.rs-flip__back { transform: rotateY(180deg); background: linear-gradient(135deg, #8a63cf, #a878d8); box-shadow: 0 16px 34px rgba(138, 99, 207, .34); color: #fff; }
.rs-stat { }
.rs-stat__num { font-weight: 900; font-size: 24px; }
.rs-stat__label { font-weight: 700; font-size: 12px; color: var(--muted-3); }

/* ===== steps ===== */
.rs-step { text-align: center; }
.rs-step__num { width: 58px; height: 58px; border-radius: 18px; color: #fff; font-weight: 900; font-size: 24px; display: grid; place-items: center; margin: 0 auto; }
.rs-step__title { font-weight: 800; font-size: 16px; color: var(--ink); margin-top: 16px; }
.rs-step__text { font-size: 13.5px; line-height: 1.5; color: var(--muted-2); margin-top: 6px; }

/* ===== topic cards ===== */
.rs-topic { position: relative; border-radius: 24px; padding: 26px; overflow: hidden; background: #fff; }
/* акварельная заливка цветом темы: --tint задаётся в шаблоне */
.rs-topic--wash {
    background:
        radial-gradient(circle at 25% 18%, color-mix(in srgb, var(--tint) 30%, transparent), transparent 58%),
        radial-gradient(circle at 88% 92%, color-mix(in srgb, var(--tint) 18%, transparent), transparent 52%),
        #fff;
    border: 1.5px solid color-mix(in srgb, var(--tint) 22%, transparent);
    box-shadow: 0 10px 28px color-mix(in srgb, var(--tint) 12%, transparent);
}
.rs-topic__head { display: flex; justify-content: space-between; align-items: center; }
.rs-topic__dot { width: 14px; height: 14px; border-radius: 50%; }
.rs-topic__title { font-weight: 900; font-size: 22px; color: var(--ink); margin-top: 16px; }
.rs-topic__text { font-size: 13.5px; line-height: 1.5; color: var(--muted-2); margin-top: 6px; }
.rs-topic__meta { display: flex; justify-content: space-between; font-weight: 700; font-size: 11.5px; color: var(--muted-3); margin: 18px 0 6px; }

/* ===== dark XP band ===== */
.rs-xpband {
    position: relative;
    background: linear-gradient(135deg, #39323f, #4a3f54);
    border-radius: 30px;
    padding: 42px 40px;
    overflow: hidden;
    box-shadow: 0 18px 44px rgba(57, 50, 63, .24);
    color: #fff;
}
.rs-xpband__blob-y { position: absolute; width: 360px; height: 360px; right: -80px; top: -120px; border-radius: 50%; background: radial-gradient(circle, rgba(236, 195, 78, .32), transparent 68%); filter: blur(20px); }
.rs-xpband__blob-v { position: absolute; width: 320px; height: 320px; left: 30%; bottom: -180px; border-radius: 50%; background: radial-gradient(circle, rgba(138, 99, 207, .34), transparent 68%); filter: blur(20px); }
.rs-xpband__grid { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; align-items: center; }
.rs-chip { background: rgba(255, 255, 255, .1); border-radius: 14px; padding: 12px 16px; }
.rs-chip__num { font-weight: 900; font-size: 22px; }
.rs-chip__label { font-weight: 700; font-size: 11px; color: #b3aac0; margin-top: 3px; }
.rs-xpcard { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); border-radius: 20px; padding: 22px; }

/* ===== stats ===== */
.rs-statbox { background: #fff; border-radius: var(--radius); padding: 28px; border: 1.5px solid var(--line-soft); text-align: center; }
.rs-statbox__num { font-weight: 900; font-size: 40px; }
.rs-statbox__label { font-weight: 700; font-size: 13.5px; color: var(--muted-2); }

/* ===== footer ===== */
.rs-footer { background: var(--ink); color: #c9c2d2; margin-top: 40px; }
.rs-footer__inner { max-width: var(--maxw); margin: 0 auto; padding: 40px 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.rs-footer__brand { display: flex; align-items: center; gap: 10px; }
.rs-footer__brand img { height: 32px; width: auto; }
.rs-footer__brand span { font-weight: 900; font-size: 18px; color: #fff; }
.rs-footer__meta { font-weight: 600; font-size: 13.5px; color: #b3aabd; }
/* тот же фон, что у футера: без него проверялка контраста не находит
   подложку у ссылок, когда футер за пределами экрана */
.rs-footer__links { background: var(--ink); display: flex; gap: 20px; font-weight: 700; font-size: 13.5px; color: #c9c2d2; }
.rs-footer__links a { color: #c9c2d2; }
.rs-footer__group { background: var(--ink); display: flex; flex-direction: column; gap: 8px; font-weight: 700; font-size: 13.5px; }
.rs-footer__group a { color: #c9c2d2; }
.rs-footer__title { color: #fff; font-weight: 900; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.rs-footer__social { display: flex; gap: 10px; }
.rs-footer__social a { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: #c9c2d2; border: 1.5px solid rgba(255,255,255,.18); background: rgba(255,255,255,.04); transition: color .15s, border-color .15s, background .15s, transform .15s; }
.rs-footer__social a:hover { color: #fff; border-color: var(--coral); background: var(--coral); transform: translateY(-2px); }
.rs-footer__social svg { width: 20px; height: 20px; }
/* самолётик нарисован со сдвигом вправо — возвращаем в центр кружка */
.rs-footer__social a[title="Telegram"] svg { transform: translateX(-1.5px); }

/* ===== forms ===== */
/* Кнопка, применяющая форму, всегда справа; вторичные (отмена, удаление) — левее неё. */
.rs-form-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 12px; }
.rs-field { margin-bottom: 16px; }
.rs-label { display: block; font-weight: 700; font-size: 14px; color: var(--ink); margin-bottom: 7px; }
.rs-input {
    width: 100%;
    font-family: var(--font);
    font-weight: 600;
    font-size: 15px;
    color: var(--ink);
    padding: 13px 16px;
    border: 1.5px solid var(--line);
    border-radius: 14px;
    background: #fff;
    transition: border-color .12s ease, box-shadow .12s ease;
}
.rs-input:focus { outline: none; border-color: var(--coral); box-shadow: 0 0 0 3px rgba(227, 101, 74, .14); }
.rs-form-error { color: var(--coral-deep); font-size: 13px; font-weight: 700; margin-top: 4px; }
.rs-hr-text { display: flex; align-items: center; gap: 12px; color: var(--muted-3); font-weight: 700; font-size: 13px; margin: 22px 0; }
.rs-hr-text::before, .rs-hr-text::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* auth card centered */
.rs-authwrap { max-width: 440px; margin: 40px auto; }

/* ===== alerts ===== */
.rs-alert { border-radius: 14px; padding: 14px 18px; font-weight: 700; font-size: 14.5px; display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.rs-alert--success { background: var(--green-soft); color: var(--green-deep); }
.rs-alert--danger { background: var(--coral-soft); color: var(--coral-deep); }
.rs-alert--info { background: var(--blue-soft); color: var(--blue-deep); }
.rs-alert--warning { background: var(--yellow-soft); color: var(--yellow-deep); }
.rs-alert__close { background: none; border: none; color: inherit; font-size: 20px; line-height: 1; cursor: pointer; opacity: .6; }
.rs-alert__close:hover { opacity: 1; }

/* ===== quiz ===== */
.rs-quiz-q { font-weight: 500; font-size: 16px; margin-bottom: 14px; color: var(--ink); }
.rs-quiz-q strong, .rs-quiz-q b { font-weight: 800; }
.rs-choice { display: flex; align-items: center; gap: 12px; border: 1.5px solid var(--line); border-radius: 14px; padding: 13px 16px; font-weight: 600; font-size: 15px; color: var(--muted); cursor: pointer; transition: border-color .12s ease, background .12s ease; margin-bottom: 10px; }
.rs-choice:hover { border-color: rgba(138, 99, 207, .45); }
.rs-choice input { accent-color: var(--violet); width: 18px; height: 18px; }
.rs-choice:has(input:checked) { border-color: var(--violet); background: var(--violet-soft); color: var(--violet-deep); }

/* ===== bb-код: вывод и редактор ===== */
.rs-bb { white-space: normal; }
.rs-bb ul, .rs-bb ol { margin: 8px 0; padding-left: 22px; }
.rs-bb li { margin: 3px 0; }
.rs-bb-quote, .rs-bb blockquote { margin: 8px 0; padding: 6px 14px; border-left: 3px solid var(--line); color: var(--muted); font-style: italic; }
.rs-bb-code, .rs-bb code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; background: var(--bg-sand); border-radius: 6px; padding: 1px 6px; }
.rs-bb a { color: var(--coral-deep); }
.rs-bb-h2, .rs-bb h2 { font-size: 21px; font-weight: 800; line-height: 1.3; color: var(--ink); margin: 26px 0 10px; scroll-margin-top: 80px; }
.rs-bb-h3, .rs-bb h3 { font-size: 17px; font-weight: 800; line-height: 1.35; color: var(--ink-2); margin: 20px 0 8px; scroll-margin-top: 80px; }
.rs-bb > .rs-bb-h2:first-child, .rs-bb > .rs-bb-h3:first-child { margin-top: 0; }
.rs-bb-hr, .rs-bb hr { height: 0; margin: 22px 0; border: none; border-top: 1.5px solid var(--line); }
.rs-bb-ins, .rs-bb ins { color: var(--coral-deep); font-weight: 800; text-decoration: none; }
.rs-bb-tablebox { overflow-x: auto; margin: 14px 0; border: 1.5px solid var(--line); border-radius: 14px; }
.rs-bb-table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
/* min-width колонки держит таблицу шире экрана телефона — она прокручивается, а не сминается. */
.rs-bb-table th, .rs-bb-table td { min-width: 132px; padding: 9px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line-soft); }
.rs-bb-table tr:last-child th, .rs-bb-table tr:last-child td { border-bottom: none; }
.rs-bb-table th { font-weight: 800; color: var(--ink); background: var(--bg-sand); }
/* Строка-разделитель на всю ширину: критерий, по которому сгруппированы строки ниже. */
.rs-bb-table td[colspan] { font-weight: 700; color: var(--muted); background: var(--bg-soft); }
.rs-bb-note { margin: 16px 0; padding: 12px 16px 12px 46px; border-radius: 14px; border-left: 3px solid var(--blue); background: var(--blue-soft); position: relative; }
.rs-bb-note::before { content: 'i'; position: absolute; left: 14px; top: 12px; width: 20px; height: 20px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 800; font-size: 13px; line-height: 20px; text-align: center; }
.rs-bb-note__title { font-weight: 800; color: var(--blue-deep); margin-bottom: 4px; }
.rs-bb-note--tip { border-left-color: var(--green); background: var(--green-soft); }
.rs-bb-note--tip::before { content: '✱'; background: var(--green); }
.rs-bb-note--tip .rs-bb-note__title { color: var(--green-deep); }
.rs-bb-note--warn { border-left-color: var(--coral); background: var(--coral-soft); }
.rs-bb-note--warn::before { content: '!'; background: var(--coral); }
.rs-bb-note--warn .rs-bb-note__title { color: var(--coral-deep); }
.rs-prose { font-size: 16px; line-height: 1.75; color: var(--ink); }

.rs-bb-editor { border: 1.5px solid var(--line); border-radius: 14px; background: #fff; overflow: hidden; }
.rs-bb-editor:focus-within { border-color: var(--coral); }
.rs-bb-toolbar { display: none; flex-wrap: wrap; align-items: center; gap: 4px; padding: 6px 8px; background: var(--bg-sand); border-bottom: 1.5px solid var(--line-soft); }
.rs-bb-editor:focus-within .rs-bb-toolbar { display: flex; }
.rs-bb-toolbar__btn { min-width: 30px; height: 28px; font-size: 14px; line-height: 1; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.rs-bb-toolbar__btn:hover { border-color: var(--coral); color: var(--coral-deep); }
.rs-bb-toolbar__btn.is-active { background: var(--coral-soft); border-color: var(--coral); color: var(--coral-deep); }
.rs-bb-toolbar__color { width: 30px; height: 28px; padding: 2px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; }
.rs-bb-editor__area { min-height: 62px; padding: 10px 14px; font-size: 15px; line-height: 1.5; color: var(--ink); outline: none; }
.rs-bb-editor__area:empty::before { content: attr(data-placeholder); color: var(--muted-3); }
.rs-bb-editor__source { display: none; width: 100%; border: none; border-radius: 0; }
.rs-bb-editor.is-source .rs-bb-editor__area { display: none; }
.rs-bb-editor.is-source .rs-bb-editor__source { display: block; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }

/* ===== vocabulary trainer ===== */
.rs-vocab-word { font-weight: 800; font-size: 30px; letter-spacing: .01em; color: var(--ink); text-align: center; padding: 18px 0; }
.rs-slot { font: inherit; min-width: 46px; color: var(--muted-3); background: var(--bg-sand); border: 2px dashed var(--line); border-radius: 12px; padding: 2px 8px; margin: 0 3px; cursor: pointer; vertical-align: baseline; }
.rs-slot--filled { color: var(--violet-deep); background: #fff; border-style: solid; border-color: var(--violet); }
.rs-choices { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.rs-choice-btn { font-weight: 800; font-size: 19px; min-width: 54px; color: var(--ink); background: #fff; border: 2px solid var(--line); border-radius: 14px; padding: 10px 16px; cursor: pointer; box-shadow: 0 3px 0 var(--line); }
.rs-choice-btn:hover:not(:disabled) { border-color: var(--violet); color: var(--violet-deep); }
.rs-choice-btn:active:not(:disabled) { transform: translateY(2px); box-shadow: 0 1px 0 var(--line); }
.rs-choice-btn:disabled { opacity: .45; cursor: not-allowed; }
.rs-vocab-feedback { margin-top: 12px; padding: 11px 16px; border-radius: 14px; font-weight: 700; font-size: 15px; text-align: center; }
.rs-vocab-feedback--ok { color: var(--green-deep); background: var(--green-soft); }
.rs-vocab-feedback--bad { color: var(--coral-deep); background: var(--coral-soft); }
.rs-vocab-missed { margin-top: 10px; padding: 11px 16px; border-radius: 14px; font-size: 14px; line-height: 1.55; color: var(--coral-deep); background: var(--coral-soft); }

/* ===== phraseme trainer ===== */
.rs-phrase { font-weight: 800; font-size: 27px; color: var(--ink); text-align: center; padding: 16px 0 20px; }
.rs-phrase-options { display: grid; gap: 10px; }
.rs-phrase-option { font: inherit; font-weight: 600; font-size: 16px; text-align: left; color: var(--ink); background: #fff; border: 2px solid var(--line); border-radius: 14px; padding: 12px 16px; cursor: pointer; box-shadow: 0 3px 0 var(--line); }
.rs-phrase-option:hover { border-color: var(--violet); color: var(--violet-deep); }
.rs-phrase-option--ok { color: var(--green-deep); background: var(--green-soft); border-color: var(--green); cursor: default; }
.rs-phrase-option--bad { color: var(--coral-deep); background: var(--coral-soft); border-color: var(--coral-deep); cursor: default; }

/* ===== sentence trainer ===== */
.rs-sent-ticks { display: flex; gap: 4px; }
.rs-sent-tick { flex: 1; height: 5px; border-radius: 3px; background: var(--line); }
.rs-sent-tick--now { background: var(--violet); }
.rs-sent-tick--ok { background: var(--green); }
.rs-sent-tick--bad { background: var(--coral-deep); }
.rs-sent-text { font-weight: 600; font-size: 21px; line-height: 1.9; color: var(--ink); margin: 0; padding: 8px 0; }
.rs-sent-slot { display: inline-flex; gap: 4px; margin: 0 3px; vertical-align: baseline; }
.rs-sent-opt { font: inherit; font-weight: 800; font-size: 15px; line-height: 1; color: var(--ink); background: #fff; border: 2px solid var(--line); border-radius: 10px; padding: 7px 11px; cursor: pointer; box-shadow: 0 2px 0 var(--line); }
.rs-sent-opt:hover:not(:disabled) { border-color: var(--violet); color: var(--violet-deep); }
.rs-sent-opt:active:not(:disabled) { transform: translateY(1px); box-shadow: 0 1px 0 var(--line); }
.rs-sent-opt--sel { color: var(--violet-deep); background: var(--violet-soft); border-color: var(--violet); }
.rs-sent-opt--ok { color: var(--green-deep); background: var(--green-soft); border-color: var(--green); }
.rs-sent-opt--bad { color: var(--coral-deep); background: var(--coral-soft); border-color: var(--coral-deep); text-decoration: line-through; }
.rs-sent-opt--fix { color: var(--green-deep); border-color: var(--green); }
.rs-sent-opt:disabled { cursor: default; }
.rs-sent-why { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.rs-sent-verdict { display: inline-block; font-weight: 800; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.rs-sent-verdict--ok { color: var(--green-deep); }
.rs-sent-verdict--bad { color: var(--coral-deep); }
.rs-sent-rule { margin-top: 8px; font-size: 15px; line-height: 1.6; color: var(--muted); }
.rs-sent-missed { margin-top: 10px; text-align: left; }
.rs-sent-miss { padding: 8px 0 8px 12px; border-left: 2px solid var(--coral-deep); font-size: 15px; line-height: 1.6; color: var(--muted); }
.rs-sent-miss + .rs-sent-miss { margin-top: 6px; }
@media (max-width: 560px) { .rs-sent-text { font-size: 18px; } }

/* ===== sorting trainer ===== */
.rs-sort-pool { display: flex; flex-wrap: wrap; gap: 10px; align-content: flex-start; min-height: 110px; margin-top: 12px; padding: 14px; background: var(--bg-sand); border: 2px dashed var(--line); border-radius: var(--radius); }
.rs-sort-baskets { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.rs-sort-basket { display: flex; flex-wrap: wrap; gap: 10px; align-content: flex-start; min-height: 190px; padding: 14px; background: var(--bg-soft); border: 2px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-card); }
.rs-sort-basket__head { flex: 0 0 100%; font-weight: 800; font-size: 20px; color: var(--violet-deep); text-align: center; padding-bottom: 6px; border-bottom: 2px solid var(--line-soft); }
.rs-sort-zone--over { border-color: var(--violet); background: var(--violet-soft); }
.rs-sort-word { font: inherit; font-weight: 700; font-size: 18px; color: var(--ink); background: #fff; border: 2px solid var(--line); border-radius: 14px; padding: 8px 14px; cursor: grab; box-shadow: 0 3px 0 var(--line); }
.rs-sort-word:hover { border-color: var(--violet); }
.rs-sort-word--picked { border-color: var(--violet); background: var(--violet-soft); transform: translateY(-2px); }
.rs-sort-word--dragging { opacity: .4; }
.rs-sort-word--ok { color: var(--green-deep); background: var(--green-soft); border-color: var(--green); cursor: default; }
.rs-sort-word--bad { color: var(--coral-deep); background: var(--coral-soft); border-color: var(--coral-deep); cursor: default; }
.rs-sort-gap { display: inline-block; min-width: 22px; color: var(--muted-3); }
.rs-sort-pair { display: flex; gap: 8px; margin-top: 10px; }
.rs-sort-pair__side { flex: 1; font-weight: 800; text-align: center; color: var(--violet-deep); background: var(--violet-soft); border-radius: 12px; padding: 6px 4px; }

@media (max-width: 560px) {
    .rs-sort-baskets { grid-template-columns: 1fr; }
    .rs-sort-basket { min-height: 130px; }
}

.rs-result-item { border-left: 4px solid var(--line); }
.rs-result-item--ok { border-left-color: var(--green); }
.rs-result-item--part { border-left-color: var(--yellow); }
.rs-result-item--bad { border-left-color: var(--coral); }

/* разбор ответов: строка варианта — отмечен учеником, верный, пропущенный */
.rs-answer { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; border: 1.5px solid var(--line); border-radius: 14px; padding: 11px 14px; font-weight: 600; font-size: 15px; color: var(--muted); margin-bottom: 8px; }
.rs-answer__mark { display: flex; width: 20px; flex: none; }
.rs-answer__mark svg { width: 20px; height: 20px; }
.rs-answer--ok { border-color: var(--green); background: var(--green-soft); color: var(--green-deep); }
.rs-answer--bad { border-color: var(--coral); background: var(--coral-soft); color: var(--coral-deep); }
.rs-answer--miss { border-style: dashed; border-color: var(--green); color: var(--green-deep); }

/* ===== list group ===== */
.rs-list { background: #fff; border-radius: var(--radius); border: 1.5px solid var(--line-soft); box-shadow: var(--shadow-card); overflow: hidden; }
.rs-list__item { display: flex; align-items: center; justify-content: space-between; padding: 15px 22px; border-top: 1px solid var(--line-soft); gap: 12px; }
.rs-list__item:first-child { border-top: none; }
a.rs-list__item { color: var(--ink); }
a.rs-list__item:hover { background: var(--bg-soft); text-decoration: none; }

/* ===== table ===== */
.rs-table { width: 100%; border-collapse: collapse; }
.rs-table th { text-align: left; font-weight: 800; font-size: 12px; color: var(--muted-3); text-transform: uppercase; letter-spacing: .03em; padding: 12px 16px; border-bottom: 1px solid var(--line-soft); }
.rs-table td { padding: 14px 16px; border-bottom: 1px solid var(--line-soft); font-size: 14.5px; }
.rs-table tr:last-child td { border-bottom: none; }
.rs-table-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.rs-table-actions form { margin: 0; }
/* почта — одно длинное слово, на узком экране распирает таблицу за экран */
.rs-table__mail { overflow-wrap: anywhere; }
.rs-userlink { color: var(--ink); }
.rs-userlink:hover { text-decoration: none; }
.rs-userlink:hover b { text-decoration: underline; }

/* ===== empty state ===== */
.rs-empty { text-align: center; padding: 48px 20px; }
.rs-empty__title { font-weight: 800; font-size: 20px; color: var(--ink); }
.rs-empty__sub { color: var(--muted-2); margin-top: 6px; }

/* ===== utilities ===== */
.rs-muted { color: var(--muted-2); }
.rs-small { font-size: 12.5px; }
.rs-hidden { display: none; }
.rs-breadcrumb { font-weight: 700; font-size: 14px; color: var(--muted-2); margin-bottom: 8px; }
.rs-breadcrumb a { color: var(--muted); }

/* ===== responsive ===== */
@media (max-width: 900px) {
    .rs-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .rs-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .rs-topics { columns: 2; }
    .rs-rules-list { columns: 2; }
    .rs-hero__grid { grid-template-columns: 1fr; }
    .rs-hero__art { height: 320px; order: -1; }
    .rs-hero__mascot img { width: 300px; }
    .rs-hero__glow { width: 270px; height: 270px; }
    .rs-hero__title { font-size: 40px; }
    .rs-flipwrap { grid-template-columns: 1fr; justify-items: center; text-align: center; }
    .rs-xpband__grid { grid-template-columns: 1fr; }
    .rs-diag-grid { grid-template-columns: 1fr !important; }
}

/* ===== тесты (40 заданий, 4 страницы) ===== */
.rs-testbar {
    position: sticky;
    top: 0;
    z-index: 5;
    background: rgba(255, 253, 250, .94);
    backdrop-filter: blur(6px);
    border: 1.5px solid var(--line-soft);
    border-radius: var(--radius);
    padding: 14px 18px;
    box-shadow: var(--shadow-card);
}
.rs-testbar__title { font-weight: 800; font-size: 16px; color: var(--ink); }
.rs-progress__bar--violet { background: var(--violet); }

.rs-steps { display: flex; gap: 8px; }
.rs-step {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    border: 1.5px solid var(--line);
    background: #fff;
    font-family: var(--font);
    font-weight: 800;
    font-size: 14px;
    color: var(--muted);
    cursor: pointer;
}
.rs-step:hover { border-color: var(--violet); color: var(--violet-deep); }
.rs-step.is-active { background: var(--violet); border-color: var(--violet); color: #fff; }

.rs-qcard { margin-top: 16px; border-left: 4px solid var(--line); }
.rs-qcard.is-answered { border-left-color: var(--violet); }
/* Ответ принят и больше не меняется: варианты видно, но трогать их нельзя. */
.rs-choice.is-locked { cursor: default; opacity: .75; }
.rs-choice.is-locked:hover { border-color: var(--line); }
.rs-choice.is-locked:has(input:checked) { border-color: var(--violet); opacity: 1; }
.rs-input--answer:disabled { background: var(--violet-soft); color: var(--violet-deep); border-color: var(--violet); cursor: default; }
.rs-qnum {
    flex: none;
    min-width: 46px;
    text-align: center;
    background: var(--violet-soft);
    color: var(--violet-deep);
    font-weight: 800;
    font-size: 13px;
    padding: 5px 10px;
    border-radius: 10px;
}
.rs-input--answer { max-width: 320px; }
.rs-input--answer:focus { border-color: var(--violet); box-shadow: 0 0 0 3px rgba(138, 99, 207, .16); }

.rs-optrow { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.rs-optrow__check { display: flex; align-items: center; }
.rs-optrow__check input { accent-color: var(--green); width: 20px; height: 20px; }

/* ============================================================
   Витрина тренажёра (/trainer)
   ============================================================ */

.rs-tr-hero { position: relative; overflow: hidden; padding: 46px 0 8px; }
.rs-tr-hero__blob { position: absolute; border-radius: 50%; filter: blur(28px); pointer-events: none; }
.rs-tr-hero__blob--v { width: 420px; height: 420px; left: -140px; top: -160px; background: radial-gradient(circle, rgba(138, 99, 207, .3), transparent 68%); animation: rs-drift 15s ease-in-out infinite; }
.rs-tr-hero__blob--y { width: 360px; height: 360px; right: -110px; top: -90px; background: radial-gradient(circle, rgba(236, 195, 78, .34), transparent 66%); animation: rs-drift 18s ease-in-out 1s infinite; }
.rs-tr-hero__blob--g { width: 320px; height: 320px; left: 46%; bottom: -190px; background: radial-gradient(circle, rgba(58, 161, 130, .24), transparent 66%); animation: rs-drift 20s ease-in-out .5s infinite; }
.rs-tr-hero__grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 34px; align-items: center; padding-top: 14px; padding-bottom: 34px; }
/* пока словарных слов нет, показывать в правой колонке нечего */
.rs-tr-hero__grid--solo { grid-template-columns: 1fr; }

.rs-tr-title { font-size: 44px; line-height: 1.06; font-weight: 900; letter-spacing: -.02em; margin-top: 18px; }
/* акварельный маркер: подчёркивание лежит под строкой и не режется при переносе */
.rs-tr-mark {
    background: linear-gradient(180deg, transparent 62%, rgba(236, 195, 78, .55) 62%, rgba(227, 101, 74, .32) 100%);
    padding: 0 2px;
    border-radius: 4px;
}
.rs-tr-lead { font-size: 17px; line-height: 1.55; color: var(--muted); font-weight: 500; margin-top: 16px; max-width: 470px; }
.rs-tr-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }

.rs-tr-last { font-weight: 700; font-size: 13px; color: var(--muted-3); margin-top: 14px; }
.rs-tr-best { display: flex; align-items: center; gap: 14px; margin-top: 22px; }
.rs-tr-best__title { font-weight: 800; font-size: 15px; }
.rs-tr-best__sub { font-weight: 700; font-size: 12px; color: var(--muted-3); }

/* кольцо результата: доля закрашена conic-градиентом, внутри белый кружок с числом */
.rs-ring {
    --pct: 0;
    display: grid;
    place-items: center;
    width: 62px;
    height: 62px;
    flex: none;
    border-radius: 50%;
    background: conic-gradient(var(--tint) calc(var(--pct) * 1%), var(--bg-sand) 0);
}
.rs-ring::before { content: ""; grid-area: 1/1; width: 48px; height: 48px; border-radius: 50%; background: #fff; }
.rs-ring__num { grid-area: 1/1; font-weight: 900; font-size: 17px; color: var(--ink); }
.rs-ring--sm { width: 50px; height: 50px; }
.rs-ring--sm::before { width: 38px; height: 38px; }
.rs-ring--sm .rs-ring__num { font-size: 14px; }
.rs-ring--sm .rs-ring__num--frac { font-size: 12px; }

.rs-tr-hero__art { position: relative; display: grid; place-items: center; }
.rs-tr-demo {
    width: 100%;
    max-width: 380px;
    background: #fff;
    border: 1.5px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: 24px 26px 26px;
    box-shadow: 0 18px 44px rgba(57, 50, 63, .12);
    animation: rs-floaty 6s ease-in-out infinite;
}
.rs-tr-demo__head { display: flex; justify-content: space-between; font-weight: 800; font-size: 12px; color: var(--muted-3); }
.rs-tr-demo__word { font-weight: 900; font-size: 30px; text-align: center; padding: 22px 0 20px; }
.rs-tr-slot { position: relative; display: inline-grid; min-width: 40px; }
.rs-tr-slot__ask, .rs-tr-slot__ans { grid-area: 1/1; border-radius: 10px; padding: 0 6px; }
.rs-tr-slot__ask { color: var(--muted-3); background: var(--bg-sand); animation: rs-tr-ask 6s ease-in-out infinite; }
.rs-tr-slot__ans { color: var(--green-deep); background: var(--green-soft); opacity: 0; animation: rs-tr-ans 6s ease-in-out infinite; }
.rs-tr-demo:hover { text-decoration: none; transform: translateY(-3px); }
.rs-tr-demo__keys { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.rs-tr-key {
    min-width: 50px;
    text-align: center;
    font-weight: 800;
    font-size: 18px;
    color: var(--ink);
    background: #fff;
    border: 2px solid var(--line);
    border-radius: 14px;
    padding: 9px 14px;
    box-shadow: 0 3px 0 var(--line);
}
.rs-tr-key--right { animation: rs-tr-key 6s ease-in-out infinite; }

@keyframes rs-tr-ask { 0%, 34% { opacity: 1; } 44%, 100% { opacity: 0; } }
@keyframes rs-tr-ans { 0%, 34% { opacity: 0; } 44%, 92% { opacity: 1; } 100% { opacity: 0; } }
@keyframes rs-tr-key {
    0%, 30% { border-color: var(--line); background: #fff; color: var(--ink); }
    40%, 92% { border-color: var(--green); background: var(--green-soft); color: var(--green-deep); }
    100% { border-color: var(--line); background: #fff; color: var(--ink); }
}

.rs-tr-badge {
    position: absolute;
    right: 4%;
    bottom: 6%;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--green-strong);
    color: #fff;
    font-weight: 800;
    font-size: 12.5px;
    padding: 9px 14px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(58, 161, 130, .34);
    animation: rs-floaty2 5s ease-in-out .8s infinite;
}
.rs-tr-badge svg { width: 16px; height: 16px; }

.rs-tr-stats { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.rs-tr-stat {
    background: linear-gradient(180deg, #fff, color-mix(in srgb, var(--tint) 7%, #fff));
    border: 1.5px solid color-mix(in srgb, var(--tint) 20%, transparent);
    border-radius: 18px;
    padding: 16px 18px;
}
.rs-tr-stat__num { font-weight: 900; font-size: 30px; line-height: 1.1; color: var(--tint); }
.rs-tr-stat__label { font-weight: 700; font-size: 12.5px; color: var(--muted-2); margin-top: 2px; }

.rs-tr-teacher {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 22px;
    padding: 18px 22px;
    background: var(--bg-soft);
    border: 1.5px dashed var(--line);
    border-radius: var(--radius);
}

.rs-tr-section { padding: 48px 28px 0; }
.rs-tr-h2 { font-weight: 900; font-size: 28px; color: var(--ink); }
.rs-tr-head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.rs-tr-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: 14px; color: var(--coral-ink); }
.rs-tr-more svg { width: 17px; height: 17px; transition: transform .12s ease; }
.rs-tr-more:hover { text-decoration: none; }
.rs-tr-more:hover svg { transform: translateX(3px); }

/* плитки режимов */
.rs-tr-modes { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.rs-tr-mode {
    position: relative;
    display: block;
    overflow: hidden;
    padding: 24px;
    border-radius: 24px;
    color: var(--ink);
    background:
        radial-gradient(circle at 20% 12%, color-mix(in srgb, var(--tint) 26%, transparent), transparent 56%),
        #fff;
    border: 1.5px solid color-mix(in srgb, var(--tint) 22%, transparent);
    box-shadow: 0 10px 28px color-mix(in srgb, var(--tint) 12%, transparent);
    transition: transform .12s ease, box-shadow .12s ease;
}
.rs-tr-mode:hover { transform: translateY(-4px); box-shadow: 0 18px 36px color-mix(in srgb, var(--tint) 20%, transparent); text-decoration: none; }
.rs-tr-mode__icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: #fff; color: var(--tint); box-shadow: var(--shadow-card); }
.rs-tr-mode__icon svg { width: 22px; height: 22px; }
/* счётчик крупной цифрой в углу — заголовку не мешает, потому что прозрачный */
.rs-tr-mode__count {
    position: absolute;
    top: 10px;
    right: 18px;
    font-weight: 900;
    font-size: 54px;
    line-height: 1;
    color: color-mix(in srgb, var(--tint) 22%, transparent);
}
.rs-tr-mode__title { font-weight: 900; font-size: 19px; margin-top: 16px; }
.rs-tr-mode__text { font-size: 13.5px; line-height: 1.5; color: var(--muted-2); margin-top: 7px; }
.rs-tr-mode__go { margin-top: 16px; color: var(--tint); transition: transform .12s ease; }
.rs-tr-mode__go svg { width: 20px; height: 20px; }
.rs-tr-mode:hover .rs-tr-mode__go { transform: translateX(5px); }

/* список тестов: строки одной панелью */
.rs-tr-list {
    margin-top: 18px;
    background: #fff;
    border: 1.5px solid var(--line-soft);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.rs-tr-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    color: var(--ink);
    border-top: 1px solid var(--line-soft);
}
.rs-tr-item:first-child, .rs-tr-item--first { border-top: 0; }
/* строку прячет пагинатор, а flex перебил бы атрибут hidden */
.rs-tr-item[hidden] { display: none; }
.rs-tr-item:hover { background: color-mix(in srgb, var(--tint) 6%, #fff); text-decoration: none; }
.rs-tr-item__dot { flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--tint); }
.rs-tr-item__main { flex: 1; min-width: 0; }
.rs-tr-item__title { font-weight: 800; font-size: 15.5px; }
.rs-tr-item__text { font-weight: 700; font-size: 12.5px; color: var(--muted-3); }
.rs-tr-item__score { flex: none; font-weight: 900; font-size: 15px; }
.rs-tr-item__note { flex: none; font-weight: 700; font-size: 12.5px; color: var(--muted-3); }
.rs-tr-item__go { flex: none; display: grid; place-items: center; color: var(--tint); }
.rs-tr-item__go svg { width: 20px; height: 20px; transition: transform .12s ease; }
.rs-tr-item:hover .rs-tr-item__go svg { transform: translateX(3px); }

/* постраничный показ списка */
.rs-pager { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px; margin-top: 16px; }
.rs-pager__btn {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    display: inline-grid;
    place-items: center;
    font-weight: 800;
    font-size: 14px;
    color: var(--ink-2);
    background: #fff;
    border: 1.5px solid var(--line);
    border-radius: 12px;
    cursor: pointer;
}
.rs-pager__btn:hover:not(:disabled) { border-color: color-mix(in srgb, var(--tint) 45%, var(--line)); color: var(--tint); }
.rs-pager__btn:disabled { opacity: .45; cursor: default; }
.rs-pager__btn--on { background: var(--tint); border-color: var(--tint); color: #fff; }
.rs-pager__gap { color: var(--muted-3); font-weight: 800; padding: 0 2px; }

.rs-tr-band {
    margin-top: 48px;
    padding: 52px 0 56px;
    background:
        radial-gradient(circle at 12% 20%, rgba(227, 101, 74, .1), transparent 44%),
        radial-gradient(circle at 88% 78%, rgba(236, 195, 78, .14), transparent 44%),
        var(--bg-soft);
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}

.rs-tr-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.rs-tr-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-weight: 800;
    font-size: 13px;
    color: var(--green-deep);
    background: var(--green-soft);
    border-radius: 99px;
    padding: 7px 14px;
}
.rs-tr-tag span { font-size: 11.5px; color: var(--green-deep); }
.rs-tr-tag:hover { background: var(--green-strong); color: #fff; text-decoration: none; }
.rs-tr-tag:hover span { color: rgba(255, 255, 255, .8); }
.rs-tr-tag--rest { background: var(--bg-sand); color: var(--muted-3); }

.rs-tr-sample { background: #fff; border: 1.5px solid var(--line-soft); border-radius: var(--radius-lg); padding: 10px 24px; box-shadow: var(--shadow-card); }
.rs-tr-sample__row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line-soft); }
.rs-tr-sample__row:last-child { border-bottom: none; }
.rs-tr-sample__word { font-weight: 800; font-size: 22px; }
.rs-tr-sample__word b { color: var(--green-deep); background: var(--green-soft); border-radius: 8px; padding: 0 5px; }
.rs-tr-sample__hint { font-weight: 700; font-size: 12px; color: var(--muted-3); }

.rs-tr-rules { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.rs-tr-rule {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 15px 20px;
    background: #fff;
    border: 1.5px solid var(--line-soft);
    border-radius: 16px;
    color: var(--ink);
    transition: border-color .12s ease, transform .12s ease;
}
.rs-tr-rule:hover { border-color: var(--blue); transform: translateX(3px); text-decoration: none; }
.rs-tr-rule__title { font-weight: 800; font-size: 15px; }
.rs-tr-rule__meta { display: flex; align-items: center; gap: 8px; flex: none; }

.rs-tr-final {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #39323f, #4a3f54);
    border-radius: 30px;
    padding: 42px 40px;
    color: #fff;
    box-shadow: 0 18px 44px rgba(57, 50, 63, .24);
}
.rs-tr-final__blob { position: absolute; width: 380px; height: 380px; right: -90px; top: -140px; border-radius: 50%; background: radial-gradient(circle, rgba(236, 195, 78, .3), transparent 68%); filter: blur(20px); }
.rs-tr-final__grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: center; }
.rs-tr-steps { display: flex; flex-direction: column; gap: 12px; }
.rs-tr-step { display: flex; align-items: center; gap: 14px; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); border-radius: 16px; padding: 14px 18px; }
/* число бывает и трёхзначным (слов в базе), поэтому ширина по содержимому */
.rs-tr-step__num { display: grid; place-items: center; flex: none; min-width: 34px; height: 34px; padding: 0 9px; border-radius: 11px; font-weight: 900; font-size: 16px; color: #39323f; }
.rs-tr-step__title { display: block; font-weight: 800; font-size: 15px; }
.rs-tr-step__text { display: block; font-weight: 600; font-size: 12.5px; color: #c9c2d2; margin-top: 2px; }


/* ===== преподаватели ===== */
.rs-teachers { display: grid; gap: 20px; }
.rs-teacher { padding: 26px; }
.rs-teacher__head { display: flex; align-items: center; gap: 20px; }
.rs-teacher__photo {
    flex: none;
    width: 116px;
    height: 116px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--bg-sand);
}
.rs-teacher__photo--letter {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--violet-soft);
    color: var(--violet-deep);
    font-weight: 900;
    font-size: 40px;
}
.rs-teacher__thumb {
    flex: none;
    /* в ячейке таблицы ширина иначе схлопывается под колонку */
    min-width: 44px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--bg-sand);
    font-size: 18px;
}
.rs-teacher__name { font-size: 24px; font-weight: 900; color: var(--ink); margin: 0; }
.rs-teacher__about { margin-top: 18px; }

/* карусель преподавателей на главной: по одной карточке на всю ширину */
.rs-carousel__stage { display: flex; align-items: center; gap: 14px; }
.rs-carousel__track {
    flex: 1;
    min-width: 0;
    display: flex;
    /* карточки одной высоты, иначе лента прыгает при листании */
    align-items: stretch;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    /* запас под тень карточек: по горизонтали его съедает scroll-snap */
    padding: 6px 0;
    margin: -6px 0;
}
.rs-carousel__track::-webkit-scrollbar { display: none; }
.rs-carousel__arrow {
    flex: none;
    width: 44px;
    height: 44px;
    border: 1.5px solid var(--line-soft);
    border-radius: 50%;
    background: #fff;
    color: var(--ink);
    display: grid;
    place-items: center;
    cursor: pointer;
    box-shadow: var(--shadow-card);
}
.rs-carousel__arrow svg { width: 20px; height: 20px; }
.rs-carousel__arrow:hover { background: var(--bg-sand); }
.rs-carousel__dots { display: flex; justify-content: center; gap: 8px; margin-top: 18px; }
.rs-carousel__dot {
    width: 8px;
    height: 8px;
    padding: 0;
    border: 0;
    border-radius: 20px;
    background: var(--line);
    cursor: pointer;
    transition: width .15s ease, background .15s ease;
}
.rs-carousel__dot--on { width: 24px; background: var(--coral); }

.rs-tcard {
    flex: none;
    width: 100%;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 30px 34px;
}
.rs-tcard__photo {
    flex: none;
    width: 132px;
    height: 132px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--bg-sand);
}
.rs-tcard__photo--letter {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--violet-soft);
    color: var(--violet-deep);
    font-weight: 900;
    font-size: 46px;
}
/* в колонку карточка выравнивается по центру: без потолка тело растёт по длинному имени */
.rs-tcard__body { min-width: 0; max-width: 100%; }
.rs-tcard__name { font-size: 23px; font-weight: 900; color: var(--ink); }
.rs-tcard__about { margin-top: 10px; }

/* рассказ преподавателя внутри карточки: куски листаются своей каруселью */
.rs-carousel--mini .rs-carousel__track { padding: 0; margin: 0; }
.rs-carousel--mini .rs-carousel__dots { justify-content: flex-start; gap: 6px; margin-top: 12px; }
.rs-carousel--mini .rs-carousel__dot { width: 6px; height: 6px; background: var(--line); }
.rs-carousel--mini .rs-carousel__dot--on { width: 18px; background: var(--violet); }
.rs-tcard__page {
    flex: none;
    width: 100%;
    scroll-snap-align: start;
    font-weight: 600;
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--muted);
    text-align: left;
}
.rs-tcard__page > :first-child { margin-top: 0; }
.rs-tcard__page .rs-bb-h2 { font-size: 18px; margin: 14px 0 6px; }
.rs-tcard__page .rs-bb-h3 { font-size: 15.5px; margin: 12px 0 6px; }
.rs-tcard__page .rs-bb-note { margin: 10px 0; padding: 10px 14px 10px 42px; }
.rs-tcard__page .rs-bb-hr { margin: 14px 0; }
.rs-tcard__page .rs-bb-tablebox { margin: 10px 0; }
.rs-tcard__more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-weight: 800; font-size: 13.5px; color: var(--violet-deep); }
.rs-tcard__more-icon { width: 16px; height: 16px; }


@media (max-width: 1120px) {
    .rs-tr-modes { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
    .rs-tr-hero__grid, .rs-tr-split, .rs-tr-final__grid { grid-template-columns: 1fr; }
    .rs-tr-hero__art { order: -1; }
    .rs-tr-title { font-size: 34px; }
    .rs-tr-modes { grid-template-columns: repeat(2, 1fr); }
    .rs-tr-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .rs-tr-modes, .rs-tr-rules { grid-template-columns: 1fr; }
    .rs-tr-title { font-size: 28px; }
    .rs-tr-h2 { font-size: 22px; }
    .rs-tr-section { padding: 36px 18px 0; }
    .rs-tr-final { padding: 28px 22px; }
}

/* ===== выбор нескольких пунктов (выдача домашнего задания) ===== */
.rs-picklist {
    max-height: 232px;
    overflow-y: auto;
    padding: 12px 14px;
    border: 1.5px solid var(--line);
    border-radius: 14px;
    background: #fff;
}
.rs-picklist .rs-optrow { margin-bottom: 4px; font-weight: 600; font-size: 14.5px; }
.rs-picklist__group { font-weight: 800; font-size: 12px; color: var(--muted-3); margin: 12px 0 6px; }
.rs-picklist__group:first-child { margin-top: 0; }

/* пункты домашнего задания */
.rs-hw-tasks { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.rs-hw-task { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-weight: 600; font-size: 14.5px; color: var(--ink-2); }
.rs-hw-task .rs-icon { width: 17px; height: 17px; flex: none; color: var(--muted-3); }
.rs-hw-task--done { color: var(--muted-3); }

@media (max-width: 640px) {
    .rs-container { padding: 0 18px; }
    .rs-nav__links { display: none; }
    .rs-nav__links.is-open { display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: flex-start; background: var(--bg); padding: 16px 22px; border-bottom: 1px solid var(--line); gap: 14px; }
    .rs-nav__inner .rs-nav__mobile-toggle { display: inline-flex; }
    /* виджет пользователя спрятан в бургер — счётчик перьев остаётся снаружи
       (.rs-dd--user впереди — иначе перебивает .rs-nav__links a) */
    .rs-dd--user .rs-nav__feathers--docked { display: none; }
    .rs-nav__feathers--bar { display: inline-flex; }
    .rs-dd--user { border: 0; border-radius: 0; }
    .rs-dd--user .rs-dd__toggle { padding: 0; }
    .rs-dd--user .rs-nav__dot--avatar { left: 21px; }
    /* в бургер-меню подменю встаёт под «Темы», а не сбоку от них */
    .rs-dd { width: 100%; flex-direction: column; align-items: flex-start; }
    .rs-dd__menu {
        position: static;
        transform: none;
        width: auto;
        grid-template-columns: 1fr;
        padding: 6px 0 0;
        background: transparent;
        border: 0;
        box-shadow: none;
    }
    .rs-grid-2, .rs-grid-3, .rs-grid-4 { grid-template-columns: 1fr; }
    .rs-row { flex-wrap: wrap; }
    .rs-hide-sm { display: none; }
    .rs-table th, .rs-table td { padding-left: 10px; padding-right: 10px; }
    /* кнопки строки не влезают рядом — ставим друг под друга одной ширины */
    .rs-table-actions { flex-direction: column; align-items: stretch; }
    .rs-table-actions .rs-btn { width: 100%; }
    .rs-side-layout { grid-template-columns: 1fr; gap: 20px; }
    /* без min-width колонку распирает самый широкий потомок, и карточки уезжают за экран */
    .rs-side-layout > * { min-width: 0; }
    /* на узком экране вкладки — лента поверху, прокручиваемая вбок */
    .rs-sidenav { position: static; flex-direction: row; overflow-x: auto; gap: 6px; padding-bottom: 4px; }
    .rs-sidenav a { flex: none; }
    /* на узком экране название занимает всю строку, цвет раздела уходит в корешок */
    .rs-tr-item { flex-wrap: wrap; gap: 0 10px; padding: 14px 16px; border-left: 3px solid var(--tint); }
    .rs-tr-item__dot { display: none; }
    .rs-tr-item__main { flex: 1 1 100%; }
    .rs-tr-item__text { display: block; margin-top: 2px; }
    .rs-tr-item__score, .rs-tr-item__note { margin-top: 6px; }
    .rs-tr-item__go { display: none; }
    .rs-topics { columns: 1; }
    .rs-rules-list { columns: 1; }
    .rs-hero__title { font-size: 32px; }
    .rs-hero__art { height: 260px; }
    .rs-hero__mascot img { width: 230px; }
    .rs-hero__glow { width: 210px; height: 210px; }
    .rs-h-section { font-size: 26px; }
    .rs-hero__grid { padding: 40px 18px 48px; }
    .rs-flipwrap, .rs-xpband { padding: 28px 22px; }
    .rs-footer__inner { flex-direction: column; align-items: flex-start; }
    .rs-teacher__head { flex-direction: column; text-align: center; }
    .rs-tcard { flex-direction: column; text-align: center; gap: 18px; padding: 26px 20px; }
    .rs-tcard__more { justify-content: center; }
    .rs-carousel--mini .rs-carousel__dots { justify-content: center; }
    .rs-tcard__photo { width: 104px; height: 104px; }
    /* на узком экране листают свайпом, стрелки только съедают ширину */
    .rs-carousel__arrow { display: none; }
}