/* BVTS (Школа Вани и Наташи Буявец). Светлая тема, акцент #7324FF.
   Радиусы (одна система на весь продукт): оболочка карточки 28px, ядро 22px, поля 14px, кнопки и бейджи — pill. */

@font-face { font-family: "Onest"; src: url("../fonts/onest-cyrillic.woff2") format("woff2"); font-weight: 100 900; font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Onest"; src: url("../fonts/onest-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  color-scheme: light;
  --bg: #f6f5fa;
  --bg-deep: #efedf6;
  --surface: #ffffff;
  --ink: #16131f;
  --ink-2: #3b3649;
  --muted: #6e6981;
  --line: rgb(22 19 31 / 0.07);
  --line-strong: rgb(22 19 31 / 0.12);
  --accent: #7324ff;
  --accent-hover: #6418ec;
  --accent-ink: #ffffff;
  --accent-soft: #f1eaff;
  --accent-soft-2: #e5d8ff;
  --accent-text: #5b14d6;
  --ok: #0f8a5f; --ok-soft: #e3f6ee;
  --warn: #b4530b; --warn-soft: #fdf0e3;
  --err: #c8243a; --err-soft: #fde8eb;
  --shadow-sm: 0 1px 2px rgb(52 24 120 / 0.04), 0 2px 6px -2px rgb(52 24 120 / 0.06);
  --shadow: 0 1px 2px rgb(52 24 120 / 0.04), 0 18px 40px -18px rgb(70 30 160 / 0.18);
  --shadow-lg: 0 2px 4px rgb(52 24 120 / 0.04), 0 30px 70px -28px rgb(80 30 180 / 0.28);
  --r-shell: 28px; --r-core: 22px; --r-field: 14px;
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 16px/1.6 "Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  min-height: 100dvh;
}
/* Мягкое фиолетовое свечение у верхнего края — фон один на весь продукт, без полос и блобов по секциям. */
body::before {
  content: ""; position: fixed; inset: 0 0 auto 0; height: 520px; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 70% at 85% -10%, rgb(115 36 255 / 0.10), transparent 70%),
    radial-gradient(45% 60% at 0% 0%, rgb(160 120 255 / 0.08), transparent 70%);
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent-text); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
h1, h2, h3, h4 { margin: 0; color: var(--ink); letter-spacing: -0.02em; line-height: 1.15; font-weight: 600; }
h1 { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.6rem); letter-spacing: -0.035em; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.05rem; letter-spacing: -0.01em; }
p { margin: 0 0 0.8em; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.tnum { font-variant-numeric: tabular-nums; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.icon { width: 1.15em; height: 1.15em; flex: none; }
.icon-lg { width: 1.5rem; height: 1.5rem; }

/* ---------- Каркас ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.page { padding: 36px 0 96px; }
@media (max-width: 767px) { .wrap { padding: 0 16px; } .page { padding: 20px 0 72px; } }

/* Навигация: парящая «таблетка», прилипает к верху со стеклом */
.nav-dock { position: sticky; top: 14px; z-index: 20; padding: 0 16px; }
.nav {
  max-width: var(--wrap); margin: 14px auto 0; height: 64px; display: flex; align-items: center; gap: 8px;
  padding: 0 10px 0 22px; border-radius: 999px;
  background: rgb(255 255 255 / 0.72); border: 1px solid rgb(255 255 255 / 0.9);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px var(--line);
  backdrop-filter: blur(18px) saturate(160%); -webkit-backdrop-filter: blur(18px) saturate(160%);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 650; letter-spacing: -0.02em; white-space: nowrap; }
.brand-mark { width: 30px; height: 30px; border-radius: 10px; display: grid; place-items: center; color: #fff; font-size: 0.95rem; font-weight: 700;
  background: linear-gradient(140deg, #8d4dff, var(--accent) 55%, #5a12d9); box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.35), 0 6px 14px -6px rgb(115 36 255 / 0.6); }
.nav-links { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-link { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px; color: var(--ink-2); text-decoration: none; font-size: 0.94rem; font-weight: 500;
  transition: background 0.4s var(--ease), color 0.4s var(--ease); white-space: nowrap; }
.nav-link:hover { background: var(--accent-soft); color: var(--accent-text); }
.nav-link[aria-current="page"] { background: var(--ink); color: #fff; }
.nav-link .icon { opacity: 0.8; }
.nav-user { display: flex; align-items: center; gap: 6px; margin-left: 6px; }
.avatar { width: 40px; height: 40px; border-radius: 999px; display: grid; place-items: center; font-weight: 600; font-size: 0.9rem;
  color: var(--accent-text); background: var(--accent-soft); text-decoration: none; box-shadow: inset 0 0 0 1px var(--accent-soft-2); transition: transform 0.4s var(--ease); }
.avatar:hover { transform: scale(1.05); color: var(--accent-text); }
.icon-btn { width: 40px; height: 40px; border-radius: 999px; display: grid; place-items: center; border: 0; background: transparent; color: var(--muted); cursor: pointer;
  transition: background 0.4s var(--ease), color 0.4s var(--ease); }
.icon-btn:hover { background: var(--bg-deep); color: var(--ink); }

/* Бургер: две линии собираются в крест */
.burger { display: none; position: relative; width: 44px; height: 44px; border: 0; border-radius: 999px; background: var(--ink); cursor: pointer; margin-left: auto; }
.burger span { position: absolute; left: 14px; right: 14px; height: 1.5px; background: #fff; border-radius: 2px; transition: transform 0.5s var(--ease), top 0.5s var(--ease); }
.burger span:first-child { top: 18px; } .burger span:last-child { top: 25px; }
.menu-open .burger span:first-child { top: 21.5px; transform: rotate(45deg); }
.menu-open .burger span:last-child { top: 21.5px; transform: rotate(-45deg); }
.mobile-menu { position: fixed; inset: 0; z-index: 15; padding: 110px 24px 40px; background: rgb(250 249 253 / 0.86);
  backdrop-filter: blur(28px); -webkit-backdrop-filter: blur(28px); opacity: 0; visibility: hidden; transition: opacity 0.5s var(--ease), visibility 0.5s; }
.menu-open .mobile-menu { opacity: 1; visibility: visible; }
.mobile-menu a, .mobile-menu button { display: block; font: 600 1.9rem/1.2 "Onest", sans-serif; letter-spacing: -0.03em; color: var(--ink); text-decoration: none; padding: 10px 0;
  background: none; border: 0; cursor: pointer; transform: translateY(24px); opacity: 0; transition: transform 0.7s var(--ease), opacity 0.7s var(--ease); }
.menu-open .mobile-menu a, .menu-open .mobile-menu button { transform: none; opacity: 1; }
.mobile-menu > :nth-child(2) { transition-delay: 0.05s; } .mobile-menu > :nth-child(3) { transition-delay: 0.1s; }
.mobile-menu > :nth-child(4) { transition-delay: 0.15s; } .mobile-menu > :nth-child(5) { transition-delay: 0.2s; } .mobile-menu > :nth-child(6) { transition-delay: 0.25s; }
@media (max-width: 899px) {
  .nav-links, .nav-user { display: none; }
  .burger { display: block; }
  .nav { padding-right: 10px; }
}
@media (min-width: 900px) { .mobile-menu { display: none; } }

/* ---------- Поверхности: «двойной ободок» ---------- */
.shell { background: rgb(255 255 255 / 0.5); border-radius: var(--r-shell); padding: 6px; box-shadow: inset 0 0 0 1px var(--line), var(--shadow); }
.core { background: var(--surface); border-radius: var(--r-core); padding: 28px; box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.9), 0 0 0 1px var(--line); }
.core-tight { padding: 20px; }
.core + .core { margin-top: 6px; }
@media (max-width: 767px) { .core { padding: 20px; } }
.panel { background: var(--surface); border-radius: var(--r-core); padding: 24px; box-shadow: 0 0 0 1px var(--line), var(--shadow-sm); }
.stack > * + * { margin-top: 20px; }
.stack-lg > * + * { margin-top: 32px; }

/* ---------- Кнопки ---------- */
.btn { --btn-bg: var(--accent); --btn-ink: var(--accent-ink);
  display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 6px 22px; border: 0; border-radius: 999px;
  background: var(--btn-bg); color: var(--btn-ink); font: 600 0.97rem/1 "Onest", sans-serif; letter-spacing: -0.01em; text-decoration: none; cursor: pointer; white-space: nowrap;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.22), 0 10px 24px -12px rgb(115 36 255 / 0.7);
  transition: transform 0.5s var(--ease), background 0.4s var(--ease), box-shadow 0.5s var(--ease); }
.btn:hover { background: var(--accent-hover); color: var(--btn-ink); box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.22), 0 16px 30px -12px rgb(115 36 255 / 0.75); }
.btn:active { transform: scale(0.98); }
.btn.has-icon { padding-right: 6px; }
.btn-orb { width: 36px; height: 36px; border-radius: 999px; display: grid; place-items: center; background: rgb(255 255 255 / 0.18); transition: transform 0.5s var(--ease); }
.btn:hover .btn-orb { transform: translate(2px, -1px) scale(1.06); }
.btn-ghost { --btn-bg: var(--surface); --btn-ink: var(--ink); box-shadow: inset 0 0 0 1px var(--line-strong), var(--shadow-sm); }
.btn-ghost:hover { --btn-bg: var(--surface); background: var(--surface); color: var(--accent-text); box-shadow: inset 0 0 0 1px var(--accent-soft-2), var(--shadow-sm); }
.btn-ghost .btn-orb { background: var(--accent-soft); color: var(--accent-text); }
.btn-dark { --btn-bg: var(--ink); box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.12), 0 10px 24px -12px rgb(22 19 31 / 0.6); }
.btn-dark:hover { background: #2a2536; }
.btn-dark .btn-orb { background: rgb(255 255 255 / 0.12); }
.btn-block { width: 100%; }
.btn-sm { min-height: 38px; padding: 4px 16px; font-size: 0.9rem; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--accent-text); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.link-btn:hover { color: var(--accent); }
.inline { display: inline; }

/* ---------- Формы ---------- */
.field { display: grid; gap: 8px; margin: 0 0 18px; }
.field > label, .label { font-size: 0.9rem; font-weight: 550; color: var(--ink-2); }
.help { font-size: 0.84rem; color: var(--muted); }
.errorlist { list-style: none; margin: 0; padding: 0; color: var(--err); font-size: 0.86rem; }
input[type=text], input[type=email], input[type=password], input[type=tel], input[type=search], input[type=number], input[type=url], input:not([type]), textarea, select {
  width: 100%; padding: 13px 16px; border: 0; border-radius: var(--r-field); background: var(--bg); color: var(--ink); font: inherit;
  box-shadow: inset 0 0 0 1px var(--line-strong); transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease); }
input::placeholder, textarea::placeholder { color: #8a849c; }
input:hover, textarea:hover { box-shadow: inset 0 0 0 1px rgb(22 19 31 / 0.2); }
input:focus, textarea:focus, select:focus { outline: none; background: var(--surface); box-shadow: inset 0 0 0 1.5px var(--accent), 0 0 0 4px rgb(115 36 255 / 0.12); }
textarea { resize: vertical; min-height: 120px; }
input[type=file] { font: inherit; font-size: 0.9rem; color: var(--muted); }
input[type=file]::file-selector-button { font: 600 0.88rem "Onest", sans-serif; margin-right: 12px; padding: 9px 16px; border: 0; border-radius: 999px; background: var(--accent-soft); color: var(--accent-text); cursor: pointer; }
.check { display: flex; gap: 12px; align-items: flex-start; margin: 0 0 14px; font-size: 0.93rem; color: var(--ink-2); cursor: pointer; }
.check input { appearance: none; flex: none; width: 22px; height: 22px; margin: 1px 0 0; border-radius: 7px; background: var(--surface); box-shadow: inset 0 0 0 1.5px var(--line-strong); cursor: pointer;
  display: grid; place-items: center; transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.check input[type=radio] { border-radius: 999px; }
.check input:checked { background: var(--accent); box-shadow: inset 0 0 0 1.5px var(--accent); }
.check input:checked::after { content: ""; width: 10px; height: 6px; border: 2px solid #fff; border-top: 0; border-right: 0; transform: translateY(-1px) rotate(-45deg); }
.check input[type=radio]:checked::after { width: 8px; height: 8px; border: 0; border-radius: 999px; background: #fff; transform: none; }
.check input:focus-visible { box-shadow: inset 0 0 0 1.5px var(--accent), 0 0 0 4px rgb(115 36 255 / 0.15); }

/* ---------- Бейджи, сообщения ---------- */
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px; font-size: 0.8rem; font-weight: 550; line-height: 1.2;
  background: var(--bg-deep); color: var(--ink-2); white-space: nowrap; }
.pill .icon { width: 14px; height: 14px; }
.pill-accent { background: var(--accent-soft); color: var(--accent-text); }
.pill-ok { background: var(--ok-soft); color: var(--ok); }
.pill-warn { background: var(--warn-soft); color: var(--warn); }
.pill-err { background: var(--err-soft); color: var(--err); }
.eyebrow { display: inline-flex; padding: 5px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-text);
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; }

.flash { display: flex; gap: 12px; align-items: flex-start; padding: 14px 18px; border-radius: 18px; margin: 0 0 20px; background: var(--surface);
  box-shadow: 0 0 0 1px var(--line), var(--shadow-sm); font-size: 0.95rem; animation: rise 0.7s var(--ease-out) both; }
.flash .icon { color: var(--accent); margin-top: 2px; }
.flash-success .icon { color: var(--ok); } .flash-warning .icon { color: var(--warn); } .flash-error .icon { color: var(--err); }

/* ---------- Прогресс ---------- */
progress { appearance: none; width: 100%; height: 6px; border: 0; border-radius: 999px; background: var(--bg-deep); overflow: hidden; }
progress::-webkit-progress-bar { background: var(--bg-deep); border-radius: 999px; }
progress::-webkit-progress-value { background: linear-gradient(90deg, #9a5cff, var(--accent)); border-radius: 999px; transition: width 1s var(--ease-out); }
progress::-moz-progress-bar { background: linear-gradient(90deg, #9a5cff, var(--accent)); border-radius: 999px; }
.progress-row { display: flex; align-items: center; gap: 14px; }
.progress-row progress { flex: 1; }

/* ---------- Обложки курсов: фирменные градиенты, 4 варианта по курсу ---------- */
.cover { position: relative; overflow: hidden; border-radius: calc(var(--r-core) - 4px); isolation: isolate; color: #fff; }
.cover::after { content: ""; position: absolute; inset: 0; z-index: -1; background-image: radial-gradient(rgb(255 255 255 / 0.18) 1px, transparent 1px); background-size: 18px 18px;
  mask-image: linear-gradient(120deg, transparent 30%, #000 100%); }
.cover-0 { background: radial-gradient(90% 120% at 100% 0%, #b48cff 0%, transparent 55%), linear-gradient(135deg, #7324ff, #4a0fb8); }
.cover-1 { background: radial-gradient(90% 120% at 0% 100%, #ff9ad5 0%, transparent 50%), linear-gradient(135deg, #8a3dff, #5414cf); }
.cover-2 { background: radial-gradient(80% 110% at 90% 100%, #7fd3ff 0%, transparent 55%), linear-gradient(135deg, #6a2bff, #3b13a6); }
.cover-3 { background: radial-gradient(90% 120% at 10% 0%, #ffc79a 0%, transparent 50%), linear-gradient(135deg, #7a2cff, #4b11b3); }

/* ---------- Кабинет: главная ---------- */
.hello { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin: 12px 0 32px; }
.hello p { margin: 10px 0 0; font-size: 1.05rem; }
.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.bento > * { min-width: 0; }
.span-8 { grid-column: span 8; } .span-4 { grid-column: span 4; } .span-6 { grid-column: span 6; } .span-12 { grid-column: span 12; }
@media (max-width: 899px) { .bento { grid-template-columns: 1fr; gap: 16px; } .span-8, .span-4, .span-6, .span-12 { grid-column: auto; } }

.feature-course .core { padding: 8px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 8px; min-height: 340px; }
.feature-course .cover { padding: 28px; display: flex; flex-direction: column; justify-content: space-between; }
.feature-course .cover h2 { color: #fff; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem); letter-spacing: -0.035em; max-width: 14ch; }
.cover .pill { background: rgb(255 255 255 / 0.18); color: #fff; backdrop-filter: blur(6px); }
.feature-course .detail { padding: 22px 22px 22px 18px; display: flex; flex-direction: column; gap: 18px; }
.next-lesson { padding: 18px; border-radius: 18px; background: var(--bg); }
.next-lesson .label { display: block; color: var(--muted); font-weight: 500; font-size: 0.84rem; margin-bottom: 4px; }
.next-lesson strong { font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
@media (max-width: 767px) { .feature-course .core { grid-template-columns: 1fr; } .feature-course .cover { min-height: 200px; } .feature-course .detail { padding: 16px; } }

.side-tile .core { height: 100%; display: flex; flex-direction: column; gap: 14px; }
.side-tile .tile-icon { width: 48px; height: 48px; border-radius: 16px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); }
.side-tile .grow { flex: 1; }
.side-tile ul { list-style: none; margin: 0; padding: 0; }
.side-tile li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; font-size: 0.93rem; }
.side-tile li + li { box-shadow: 0 -1px 0 var(--line); }

.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.course-card { display: block; text-decoration: none; color: inherit; transition: transform 0.6s var(--ease); }
.course-card:hover { transform: translateY(-3px); color: inherit; }
.course-card .core { padding: 8px; }
.course-card .cover { height: 150px; padding: 18px; display: flex; align-items: flex-start; justify-content: flex-end; }
.course-card .body { padding: 18px 16px 14px; display: grid; gap: 12px; }
.course-card h3 { font-size: 1.15rem; }

.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin: 56px 0 20px; }

.empty { text-align: center; padding: 64px 24px; }
.empty .tile-icon { margin: 0 auto 18px; width: 64px; height: 64px; border-radius: 22px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); }
.empty .tile-icon .icon { width: 30px; height: 30px; }
.empty p { max-width: 42ch; margin: 10px auto 0; }

/* ---------- Программа курса ---------- */
.course-head { margin: 8px 0 28px; }
.course-head .shell { padding: 6px; }
.course-head .cover { padding: 40px; min-height: 230px; display: flex; flex-direction: column; justify-content: flex-end; gap: 18px; border-radius: var(--r-core); }
.course-head .cover h1 { color: #fff; max-width: 18ch; }
.course-head .cover .progress-row { max-width: 420px; color: rgb(255 255 255 / 0.85); font-size: 0.9rem; }
.course-head .cover progress { background: rgb(255 255 255 / 0.22); }
.course-head .cover progress::-webkit-progress-bar { background: rgb(255 255 255 / 0.22); }
.course-head .cover progress::-webkit-progress-value { background: #fff; }
.course-head .cover progress::-moz-progress-bar { background: #fff; }
@media (max-width: 767px) { .course-head .cover { padding: 24px; min-height: 200px; } }

.course-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; align-items: start; }
.course-aside { position: sticky; top: 100px; }
@media (max-width: 999px) { .course-layout { grid-template-columns: 1fr; } .course-aside { position: static; order: -1; } }

.module + .module { margin-top: 16px; }
.module-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 4px 6px 14px; }
.module-head h2 { font-size: 1.15rem; }
.lesson-list { list-style: none; margin: 0; padding: 0; }
.lesson-row { display: flex; align-items: center; gap: 14px; padding: 12px 12px; border-radius: 16px; text-decoration: none; color: var(--ink);
  transition: background 0.4s var(--ease); }
a.lesson-row:hover { background: var(--accent-soft); color: var(--ink); }
.lesson-row .state { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; flex: none; background: var(--bg); color: var(--muted); }
.lesson-row.is-done .state { background: var(--ok-soft); color: var(--ok); }
.lesson-row.is-open .state { background: var(--accent-soft); color: var(--accent-text); }
.lesson-row .title { flex: 1; min-width: 0; font-weight: 500; }
.lesson-row .why { display: block; font-size: 0.84rem; color: var(--muted); font-weight: 400; }
.lesson-row.is-locked .title { color: var(--muted); }
.lesson-row .num { color: var(--muted); font-size: 0.85rem; width: 22px; text-align: right; flex: none; }

/* ---------- Урок ---------- */
.crumbs { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 0.9rem; color: var(--muted); margin: 8px 0 14px; }
.crumbs a { color: var(--muted); text-decoration: none; } .crumbs a:hover { color: var(--accent-text); }
.lesson-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; align-items: start; }
.lesson-main { min-width: 0; }
.lesson-main > h1 { margin-bottom: 26px; max-width: 24ch; }
.lesson-aside { position: sticky; top: 100px; max-height: calc(100dvh - 120px); overflow: auto; }
.lesson-aside .lesson-row { padding: 9px 10px; gap: 10px; font-size: 0.92rem; }
.lesson-aside .lesson-row .state { width: 30px; height: 30px; border-radius: 10px; }
.lesson-aside .lesson-row[aria-current="page"] { background: var(--ink); color: #fff; }
.lesson-aside .lesson-row[aria-current="page"] .state { background: rgb(255 255 255 / 0.14); color: #fff; }
.lesson-aside .module-name { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-weight: 600; padding: 14px 10px 6px; }
.lesson-aside details summary { display: none; }
@media (max-width: 999px) {
  .lesson-layout { grid-template-columns: 1fr; }
  .lesson-aside { position: static; max-height: none; order: 2; }
  .lesson-aside details summary { display: flex; align-items: center; justify-content: space-between; cursor: pointer; list-style: none; font-weight: 600; padding: 4px 6px; }
  .lesson-aside details summary::-webkit-details-marker { display: none; }
  .lesson-aside details:not([open]) > :not(summary) { display: none; }
}

.block + .block { margin-top: 20px; }
.block-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.block-head .tile-icon { width: 40px; height: 40px; border-radius: 13px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); flex: none; }
.block-head h2 { font-size: 1.15rem; }
.video { position: relative; aspect-ratio: 16 / 9; border-radius: 18px; overflow: hidden; background: #0e0b16; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.prose { font-size: 1.04rem; line-height: 1.75; color: var(--ink-2); max-width: 70ch; }
.prose > :first-child { margin-top: 0; } .prose > :last-child { margin-bottom: 0; }
.prose h2, .prose h3 { margin: 1.6em 0 0.6em; color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.3em; } .prose li { margin: 0.35em 0; } .prose li::marker { color: var(--accent); }
.prose blockquote { margin: 1.2em 0; padding: 4px 0 4px 20px; box-shadow: inset 3px 0 0 var(--accent); color: var(--ink); }
.prose code { font-size: 0.9em; padding: 2px 6px; border-radius: 6px; background: var(--bg-deep); }
.prose pre { padding: 18px; border-radius: 16px; background: #17131f; color: #eee; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose img { max-width: 100%; height: auto; border-radius: 16px; }
.prose table { border-collapse: collapse; display: block; overflow-x: auto; }
.prose td, .prose th { padding: 8px 12px; box-shadow: inset 0 -1px 0 var(--line); text-align: left; }

.file-row { display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: 18px; background: var(--bg); text-decoration: none; color: var(--ink); transition: background 0.4s var(--ease); }
.file-row:hover { background: var(--accent-soft); color: var(--ink); }
.file-row .tile-icon { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: var(--surface); color: var(--accent-text); box-shadow: 0 0 0 1px var(--line); }
.file-row .grow { flex: 1; min-width: 0; font-weight: 550; }

.question { padding: 20px; border-radius: 18px; background: var(--bg); border: 0; margin: 0 0 14px; }
.question legend { float: left; width: 100%; padding: 0; margin-bottom: 14px; font-weight: 600; color: var(--ink); }
.question legend + * { clear: both; }
.option { display: flex; gap: 12px; align-items: center; padding: 12px 14px; margin: 0 0 8px; border-radius: 14px; background: var(--surface); cursor: pointer;
  box-shadow: 0 0 0 1px var(--line); transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease); }
.option:last-child { margin-bottom: 0; }
.option:hover { box-shadow: 0 0 0 1px var(--accent-soft-2); }
.option:has(input:checked) { background: var(--accent-soft); box-shadow: 0 0 0 1.5px var(--accent); }
.option input { appearance: none; flex: none; width: 20px; height: 20px; margin: 0; border-radius: 6px; box-shadow: inset 0 0 0 1.5px var(--line-strong); background: var(--surface); display: grid; place-items: center; }
.option input[type=radio] { border-radius: 999px; }
.option input:checked { background: var(--accent); box-shadow: inset 0 0 0 1.5px var(--accent); }
.option input:checked::after { content: ""; width: 7px; height: 7px; border-radius: 999px; background: #fff; }
.result { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border-radius: 18px; margin-bottom: 16px; }
.result-ok { background: var(--ok-soft); color: var(--ok); } .result-warn { background: var(--warn-soft); color: var(--warn); }
.result strong { font-size: 1.4rem; letter-spacing: -0.02em; }

.thread { display: flex; flex-direction: column; gap: 10px; margin: 0 0 18px; }
.bubble { max-width: 86%; padding: 14px 16px; border-radius: 18px 18px 18px 6px; background: var(--bg); }
.bubble.mine { align-self: flex-end; border-radius: 18px 18px 6px 18px; background: var(--accent-soft); }
.bubble .meta { display: flex; gap: 10px; align-items: baseline; font-size: 0.82rem; color: var(--muted); margin-bottom: 4px; }
.bubble .meta b { color: var(--ink); font-weight: 600; font-size: 0.88rem; }
.bubble p { margin: 0; white-space: normal; }
.bubble a { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 0.9rem; }

.lesson-nav { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; margin-top: 32px; }
.lesson-nav .prev { justify-self: start; } .lesson-nav .next { justify-self: end; text-align: right; }
.nav-step { display: inline-flex; align-items: center; gap: 10px; color: var(--ink-2); text-decoration: none; font-weight: 500; max-width: 260px; }
.nav-step span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-step:hover { color: var(--accent-text); }
@media (max-width: 767px) { .lesson-nav { grid-template-columns: 1fr 1fr; } .lesson-nav .center { grid-column: 1 / -1; order: -1; justify-self: stretch; } .lesson-nav .center .btn { width: 100%; } }

/* ---------- Вход / оплата: разделённый экран ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: stretch; min-height: calc(100dvh - 140px); padding: 24px 0 48px; }
.split-form { display: flex; flex-direction: column; justify-content: center; padding: 24px 6% 24px 0; }
.split-form .head { margin-bottom: 28px; }
.split-form .head p { margin-top: 12px; font-size: 1.05rem; }
.split-art { border-radius: var(--r-shell); padding: 6px; background: rgb(255 255 255 / 0.5); box-shadow: inset 0 0 0 1px var(--line), var(--shadow-lg); }
.split-art .cover { height: 100%; min-height: 460px; padding: 40px; display: flex; flex-direction: column; justify-content: flex-end; border-radius: var(--r-core); }
.split-art .cover p.big { font-size: clamp(1.6rem, 1.1rem + 1.5vw, 2.3rem); line-height: 1.15; letter-spacing: -0.035em; font-weight: 600; max-width: 16ch; margin: 0 0 18px; color: #fff; }
.split-art .cover ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; color: rgb(255 255 255 / 0.9); }
.split-art .cover li { display: flex; gap: 10px; align-items: center; }
.divider { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 0.85rem; margin: 18px 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line-strong); }
@media (max-width: 899px) { .split { grid-template-columns: 1fr; min-height: 0; } .split-form { padding: 8px 0; } .split-art .cover { min-height: 260px; padding: 28px; } .split-art.hide-sm { display: none; } }

.checkout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 32px; align-items: start; padding: 16px 0 40px; }
.checkout .offer-art .cover { min-height: 300px; padding: 36px; display: flex; flex-direction: column; justify-content: space-between; border-radius: var(--r-core); }
.checkout .offer-art h1 { color: #fff; max-width: 16ch; }
.price-tag { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.price-tag strong { font-size: clamp(2rem, 1.5rem + 1.5vw, 2.8rem); letter-spacing: -0.04em; font-weight: 650; }
.includes { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.includes li { display: flex; gap: 12px; align-items: flex-start; }
.includes .icon { color: var(--accent); margin-top: 3px; }
.checkout-form { position: sticky; top: 100px; }
.fine { font-size: 0.82rem; color: var(--muted); margin-top: 14px; }
@media (max-width: 899px) { .checkout { grid-template-columns: 1fr; } .checkout-form { position: static; } .checkout .offer-art .cover { min-height: 220px; padding: 24px; } }

/* ---------- Центрированное состояние (замок, спасибо, проверьте почту) ---------- */
.state-card { max-width: 520px; margin: 48px auto; text-align: center; }
.state-card .core { padding: 44px 36px; }
.state-card .tile-icon { margin: 0 auto 20px; width: 64px; height: 64px; border-radius: 22px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); }
.state-card .tile-icon .icon { width: 30px; height: 30px; }
.state-card .tile-icon.ok { background: var(--ok-soft); color: var(--ok); }
.state-card p { margin: 12px auto 0; max-width: 40ch; }
.state-card .actions { margin-top: 26px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ---------- Списки: заказы, очередь ДЗ, устройства ---------- */
.rows { display: grid; gap: 6px; }
.row { display: flex; align-items: center; gap: 16px; padding: 16px 18px; border-radius: 18px; background: var(--surface); box-shadow: 0 0 0 1px var(--line);
  text-decoration: none; color: var(--ink); transition: box-shadow 0.4s var(--ease), transform 0.5s var(--ease); }
a.row:hover { color: var(--ink); box-shadow: 0 0 0 1px var(--accent-soft-2), var(--shadow); transform: translateY(-1px); }
.row .grow { flex: 1; min-width: 0; }
.row .grow strong { display: block; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .tile-icon { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: var(--bg); color: var(--ink-2); flex: none; }
.row .amount { font-weight: 600; white-space: nowrap; }
@media (max-width: 599px) { .row { flex-wrap: wrap; } .row .grow { flex-basis: calc(100% - 60px); } }

.tabs { display: inline-flex; gap: 4px; padding: 5px; border-radius: 999px; background: var(--surface); box-shadow: 0 0 0 1px var(--line); margin-bottom: 20px; overflow-x: auto; max-width: 100%; }
.tab { padding: 9px 16px; border-radius: 999px; text-decoration: none; color: var(--ink-2); font-weight: 500; font-size: 0.92rem; white-space: nowrap; transition: background 0.4s var(--ease); }
.tab:hover { background: var(--bg); color: var(--ink); }
.tab[aria-current="page"] { background: var(--ink); color: #fff; }

.two-col { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 20px; align-items: start; }
@media (max-width: 899px) { .two-col { grid-template-columns: 1fr; } }
.page-head { margin: 12px 0 28px; }
.page-head p { margin: 10px 0 0; font-size: 1.05rem; }

/* ---------- База знаний ---------- */
.search { display: flex; gap: 8px; padding: 6px; border-radius: 999px; background: var(--surface); box-shadow: 0 0 0 1px var(--line), var(--shadow-sm); max-width: 560px; margin-bottom: 32px; }
.search input { background: transparent; box-shadow: none; border-radius: 999px; padding-left: 18px; }
.search input:focus { box-shadow: none; background: transparent; }
.search:focus-within { box-shadow: 0 0 0 1.5px var(--accent), 0 0 0 5px rgb(115 36 255 / 0.12); }
.kb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.kb-grid .core h2 { font-size: 1.1rem; margin-bottom: 12px; }
.kb-link { display: flex; align-items: center; gap: 12px; padding: 11px 12px; margin: 0 -12px; border-radius: 14px; text-decoration: none; color: var(--ink); transition: background 0.4s var(--ease); }
.kb-link:hover { background: var(--accent-soft); color: var(--ink); }
.kb-link .icon { color: var(--accent-text); }
.article { max-width: 760px; }
.article .core { padding: 44px; }
@media (max-width: 767px) { .article .core { padding: 22px; } }

/* ---------- Появление при скролле ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.js [data-reveal].in { opacity: 1; transform: none; }
.js [data-reveal="2"] { transition-delay: 0.08s; } .js [data-reveal="3"] { transition-delay: 0.16s; } .js [data-reveal="4"] { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 28px; } .mb-0 { margin-bottom: 0; }
.feature-course .detail .next-lesson { margin-top: auto; }
.row .grow > span { display: block; }
.state-card form { text-align: left; }
.state-card form.actions { text-align: center; }
.rows > * { min-width: 0; } .row .grow strong { white-space: nowrap; }
/* Плашка «смотрю как ученик» — тёмная, чтобы её нельзя было спутать с интерфейсом ученика */
.imp-bar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 16px; background: var(--ink); color: #fff; font-size: 0.92rem; }
.imp-bar > span { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.imp-bar b { font-weight: 600; }
.imp-email { color: rgb(255 255 255 / 0.6); }
.imp-bar .btn { min-height: 34px; }
.imp-bar + .nav-dock { top: 70px; }
@media (max-width: 599px) { .imp-email { display: none; } }
.pages-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px; align-items: start; }
@media (max-width: 420px) { .pages-grid { grid-template-columns: 1fr; } }
.page-note { display: block; }
.kb-link .grow { flex: 1; min-width: 0; }
.imp-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.imp-cta .grow { flex: 1; min-width: 220px; }
.imp-cta strong { display: block; font-weight: 600; }

/* ================= Панель управления ================= */
.m-body { background: var(--bg); }
.m-shell { display: grid; grid-template-columns: 264px minmax(0, 1fr); min-height: 100dvh; }
.m-side { position: sticky; top: 0; height: 100dvh; overflow-y: auto; padding: 20px 14px 24px; display: flex; flex-direction: column; gap: 4px;
  background: rgb(255 255 255 / 0.6); box-shadow: inset -1px 0 0 var(--line); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.m-side .brand { padding: 4px 10px 18px; }
.m-side .brand small { display: block; font-size: 0.75rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.m-group { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-top: 10px; padding: 8px 12px; border: 0; border-radius: 10px; background: none; cursor: pointer;
  font: 600 0.72rem/1.2 "Onest", sans-serif; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); transition: background 0.3s var(--ease), color 0.3s var(--ease); }
.m-group:hover { background: var(--bg-deep); color: var(--ink-2); }
.m-chev { width: 7px; height: 7px; margin-right: 4px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translate(-2px, -2px); transition: transform 0.4s var(--ease); }
.m-section.is-collapsed .m-chev { transform: rotate(-45deg); }
.m-items { display: grid; gap: 4px; padding-top: 2px; }
.m-section.is-collapsed .m-items { display: none; }
.m-section.is-collapsed.has-current .m-group { color: var(--accent-text); }
.m-section.is-collapsed.has-current .m-group::after { content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--accent); margin-left: auto; margin-right: 10px; }
.m-link { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 12px; color: var(--ink-2); text-decoration: none; font-size: 0.94rem; font-weight: 500;
  transition: background 0.4s var(--ease), color 0.4s var(--ease); }
.m-link:hover { background: var(--accent-soft); color: var(--accent-text); }
.m-link[aria-current="page"] { background: var(--ink); color: #fff; }
/* Счётчик: ровный круг для 1–2 цифр, таблетка для больших чисел; цифра жирная, чтобы «1» не терялась */
.m-link .count, .count-badge { margin-left: auto; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 999px; display: inline-grid; place-items: center;
  background: var(--accent); color: #fff; font-size: 0.75rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; box-shadow: 0 4px 10px -4px rgb(115 36 255 / 0.6); }
.m-link[aria-current="page"] .count { background: #fff; color: var(--accent-text); box-shadow: none; }
.m-side .spacer { flex: 1; }
.m-user { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 16px; background: var(--surface); box-shadow: 0 0 0 1px var(--line); }
.m-user .grow { flex: 1; min-width: 0; font-size: 0.85rem; line-height: 1.3; }
.m-user .grow b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.m-main { min-width: 0; padding: 28px 36px 80px; }
.m-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 26px; }
.m-top h1 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); }
.m-top p { margin: 8px 0 0; color: var(--muted); }
.m-top .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.m-mobilebar { display: none; }
@media (max-width: 999px) {
  .m-shell { grid-template-columns: 1fr; }
  .m-side { position: fixed; inset: 0 auto 0 0; width: 280px; z-index: 25; transform: translateX(-100%); transition: transform 0.5s var(--ease); background: rgb(250 249 253 / 0.97); }
  .menu-open .m-side { transform: none; box-shadow: var(--shadow-lg); }
  .m-mobilebar { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; position: sticky; top: 0; z-index: 20;
    background: rgb(255 255 255 / 0.8); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: inset 0 -1px 0 var(--line); }
  .m-mobilebar .burger { display: block; margin: 0; }
  .m-main { padding: 20px 16px 72px; }
}

.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.stat { padding: 20px; }
.stat .label { font-size: 0.86rem; color: var(--muted); }
.stat strong { display: block; font-size: 1.9rem; letter-spacing: -0.03em; font-weight: 650; margin-top: 6px; }
.stat.accent { background: linear-gradient(140deg, #8d4dff, var(--accent) 55%, #5a12d9); color: #fff; }
.stat.accent .label { color: rgb(255 255 255 / 0.75); }

.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 18px; }
.filters input, .filters select { width: auto; min-width: 180px; padding: 10px 14px; }
.filters input[type=search] { min-width: 260px; }
@media (max-width: 599px) { .filters input, .filters select, .filters input[type=search] { width: 100%; min-width: 0; } }

.tbl-wrap { overflow-x: auto; }
.data { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
.data th { text-align: left; font-weight: 550; font-size: 0.8rem; color: var(--muted); padding: 10px 14px; white-space: nowrap; }
.data td { padding: 13px 14px; box-shadow: inset 0 1px 0 var(--line); vertical-align: middle; }
.data tr.link-row { cursor: pointer; transition: background 0.3s var(--ease); }
.data tr.link-row:hover td { background: var(--accent-soft); }
.data td a.cell-link { color: var(--ink); text-decoration: none; font-weight: 550; }
.data td a.cell-link:hover { color: var(--accent-text); }
.data .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.who { display: flex; align-items: center; gap: 12px; }
.who .avatar { width: 34px; height: 34px; font-size: 0.8rem; flex: none; }
.who > div > span { display: block; font-size: 0.82rem; color: var(--muted); }

.struct-module + .struct-module { margin-top: 16px; }
.struct-head { display: flex; align-items: center; gap: 10px; padding: 2px 4px 12px; flex-wrap: wrap; }
.struct-head h3 { flex: 1; font-size: 1.05rem; }
.lesson-line { display: flex; align-items: center; gap: 12px; padding: 10px 10px; border-radius: 14px; transition: background 0.3s var(--ease); }
.lesson-line:hover { background: var(--bg); }
.lesson-line .n { width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; background: var(--bg-deep); font-size: 0.8rem; font-weight: 600; color: var(--ink-2); flex: none; }
.lesson-line a.t { flex: 1; min-width: 0; color: var(--ink); text-decoration: none; font-weight: 550; }
.lesson-line a.t:hover { color: var(--accent-text); }
.lesson-line .flags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.mini { display: inline-flex; gap: 2px; }
.mini button, .mini a { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; border: 0; background: transparent; color: var(--muted); cursor: pointer; text-decoration: none; }
.mini button:hover, .mini a:hover { background: var(--bg-deep); color: var(--ink); }
.mini .danger:hover { background: var(--err-soft); color: var(--err); }
.add-line { display: flex; gap: 8px; margin-top: 10px; }
.add-line input { padding: 10px 14px; }

.block-card { display: flex; gap: 14px; align-items: flex-start; padding: 16px; border-radius: 18px; background: var(--surface); box-shadow: 0 0 0 1px var(--line); }
.block-card + .block-card { margin-top: 10px; }
.block-card .tile-icon { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); flex: none; }
.block-card .grow { flex: 1; min-width: 0; }
.block-card .grow strong { display: block; font-weight: 600; }
.block-card .preview { font-size: 0.88rem; color: var(--muted); margin-top: 4px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.add-blocks { display: flex; flex-wrap: wrap; gap: 8px; }

.multi { border: 0; padding: 0; margin: 0 0 18px; }
.multi legend { font-size: 0.9rem; font-weight: 550; color: var(--ink-2); margin-bottom: 10px; padding: 0; }
.multi .opts { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 4px 16px; }
.multi .check { margin-bottom: 6px; }
.form-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.formset-row { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 10px 0; box-shadow: inset 0 -1px 0 var(--line); }
.formset-row .field { margin: 0; }
.formset-row .check { margin: 0; white-space: nowrap; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 120px 1fr; gap: 12px; padding: 9px 0; font-size: 0.9rem; box-shadow: inset 0 -1px 0 var(--line); }
.timeline li:last-child { box-shadow: none; }
.timeline time { color: var(--muted); font-variant-numeric: tabular-nums; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; font-size: 0.93rem; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: center; margin-top: 18px; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85em; padding: 2px 6px; border-radius: 6px; background: var(--bg-deep); }

/* Выбор файла по-русски вместо системной кнопки браузера */
.file-pick { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 10px; border-radius: var(--r-field); background: var(--bg); box-shadow: inset 0 0 0 1px var(--line-strong);
  cursor: pointer; transition: box-shadow 0.4s var(--ease); }
.file-pick:hover { box-shadow: inset 0 0 0 1px var(--accent-soft-2); }
.file-pick:focus-within { box-shadow: inset 0 0 0 1.5px var(--accent), 0 0 0 4px rgb(115 36 255 / 0.12); }
.file-pick input[type=file] { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.file-pick .pick-btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-text); font-weight: 600; font-size: 0.9rem; }
.file-pick .file-name { color: var(--muted); font-size: 0.9rem; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-pick.has-file .file-name { color: var(--ink); }
.file-current { font-size: 0.86rem; color: var(--muted); }
details > summary.btn { list-style: none; } details > summary.btn::-webkit-details-marker { display: none; } details.panel[open] > summary.btn { margin-bottom: 4px; }
/* Нумерация уроков: номер слева, статус значком справа */
.lesson-row .state { font-weight: 600; font-size: 0.92rem; }
.lesson-row .status { flex: none; display: grid; place-items: center; color: var(--muted); }
.lesson-row.is-done .status { color: var(--ok); }
.lesson-row.is-open .status { color: var(--accent); }
.lesson-row[aria-current="page"] .status { color: #fff; }
.lesson-aside .lesson-row .state { font-size: 0.82rem; }
.lesson-no { display: block; font-size: 0.95rem; font-weight: 550; color: var(--accent-text); letter-spacing: 0; margin-bottom: 6px; }
.crumb-edit { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--accent-text) !important; }
.sale-summary { color: rgb(255 255 255 / 0.85); max-width: 56ch; font-size: 1.05rem; margin: 0; }
.sale-facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.sale-facts .panel { padding: 16px 18px; }
.sale-facts strong { display: block; font-size: 1.4rem; letter-spacing: -0.02em; font-weight: 650; margin-top: 2px; }
.sale-offer + .sale-offer { padding-top: 18px; box-shadow: inset 0 1px 0 var(--line); }
.unopened-foot { text-align: center; margin: 28px 0 0; font-size: 1.15rem; font-weight: 600; letter-spacing: -0.01em; color: var(--accent-text); }
.course-card .price { font-weight: 600; }
.course-card .progress-row { justify-content: space-between; }
a.stat { text-decoration: none; color: inherit; }
a.stat:hover { box-shadow: 0 0 0 1px var(--accent-soft-2), var(--shadow); }
.panel > .section-title:first-child { margin-top: 0; }
.avatar-lg, .who .avatar-lg { width: 56px; height: 56px; font-size: 1.2rem; }
.course-card .core { height: 100%; display: flex; flex-direction: column; } .course-card .body { flex: 1; align-content: start; } .course-card .body .progress-row { align-self: end; }
.seq-step { padding: 18px; border-radius: 18px; background: var(--bg); } .seq-step-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; } .seq-step-head strong { flex: 1; } .seq-step-head .n { width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); font-weight: 600; font-size: 0.85rem; }

/* Столбики выручки: высота классом h1..h20 (по 5%), без inline-стилей */
.bars { display: flex; align-items: flex-end; gap: 6px; height: 220px; padding-bottom: 26px; overflow-x: auto; }
.bar { position: relative; flex: 1 0 22px; height: 100%; display: flex; align-items: flex-end; }
.bar-fill { width: 100%; border-radius: 8px 8px 3px 3px; background: linear-gradient(180deg, #9a5cff, var(--accent)); transition: opacity 0.3s var(--ease); }
.bar:hover .bar-fill { opacity: 0.8; }
.bar-label { position: absolute; bottom: -22px; left: 50%; transform: translateX(-50%); font-size: 0.7rem; color: var(--muted); white-space: nowrap; }
.bar-fill.h1 { height: 5%; }
.bar-fill.h2 { height: 10%; }
.bar-fill.h3 { height: 15%; }
.bar-fill.h4 { height: 20%; }
.bar-fill.h5 { height: 25%; }
.bar-fill.h6 { height: 30%; }
.bar-fill.h7 { height: 35%; }
.bar-fill.h8 { height: 40%; }
.bar-fill.h9 { height: 45%; }
.bar-fill.h10 { height: 50%; }
.bar-fill.h11 { height: 55%; }
.bar-fill.h12 { height: 60%; }
.bar-fill.h13 { height: 65%; }
.bar-fill.h14 { height: 70%; }
.bar-fill.h15 { height: 75%; }
.bar-fill.h16 { height: 80%; }
.bar-fill.h17 { height: 85%; }
.bar-fill.h18 { height: 90%; }
.bar-fill.h19 { height: 95%; }
.bar-fill.h20 { height: 100%; }
.bar { flex: 1 0 8px; max-width: 42px; } .bars { gap: 4px; } .bar-fill.h0 { height: 3px; background: var(--bg-deep); }
.cert { max-width: 860px; margin: 24px auto 0; }
.cert .core { padding: 56px 64px; text-align: center; position: relative; overflow: hidden; isolation: isolate; }
.cert .core::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(60% 50% at 100% 0%, rgb(115 36 255 / 0.10), transparent 70%), radial-gradient(50% 50% at 0% 100%, rgb(115 36 255 / 0.08), transparent 70%); }
.cert-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; }
.cert-kicker { text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.78rem; font-weight: 600; color: var(--accent-text); }
.cert-name { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.2rem); margin: 18px 0 10px; letter-spacing: -0.04em; }
.cert-text { color: var(--muted); margin: 0; }
.cert-course { font-size: clamp(1.3rem, 1rem + 1.2vw, 1.8rem); margin-top: 10px; }
.cert-foot { display: flex; justify-content: space-between; gap: 24px; margin-top: 56px; text-align: left; flex-wrap: wrap; }
.cert-foot strong { display: block; font-weight: 600; margin-top: 4px; }
.cert-actions { display: flex; gap: 10px; justify-content: center; margin-top: 22px; }
@media (max-width: 767px) { .cert .core { padding: 32px 22px; } .cert-top { margin-bottom: 28px; } }
@media print {
  .nav-dock, .mobile-menu, .imp-bar, .cert-actions, .flash, body::before { display: none !important; }
  body { background: #fff; } .page { padding: 0; } .cert { margin: 0; } .cert.shell { box-shadow: none; padding: 0; background: none; }
  .cert .core { box-shadow: 0 0 0 1px #ddd; } .js [data-reveal] { opacity: 1 !important; transform: none !important; }
  @page { size: A4 landscape; margin: 12mm; }
}
.board { display: grid; grid-template-columns: repeat(5, minmax(230px, 1fr)); gap: 14px; overflow-x: auto; padding-bottom: 8px; align-items: start; }
.board-col { background: rgb(255 255 255 / 0.5); border-radius: var(--r-core); padding: 12px; box-shadow: inset 0 0 0 1px var(--line); min-width: 0; }
.board-head { display: flex; justify-content: space-between; align-items: center; padding: 2px 4px 12px; }
.board-card { background: var(--surface); border-radius: 16px; padding: 12px; box-shadow: 0 0 0 1px var(--line), var(--shadow-sm); }
.board-card + .board-card { margin-top: 8px; }
.board-card .who { text-decoration: none; color: var(--ink); }
.board-card .who b { font-weight: 600; font-size: 0.92rem; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 150px; }
.board-card .who > div > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 150px; }
.board-meta { display: flex; flex-wrap: wrap; gap: 4px; margin: 10px 0 0; }
.board-meta:empty { display: none; }

.task-row { gap: 14px; }
.task-row.is-done strong { color: var(--muted); text-decoration: line-through; }
.task-row.is-overdue { box-shadow: 0 0 0 1px var(--err-soft), 0 0 0 1px var(--line); }
.task-check { width: 24px; height: 24px; border-radius: 999px; border: 0; box-shadow: inset 0 0 0 1.5px var(--line-strong); background: var(--surface); cursor: pointer; display: grid; place-items: center; flex: none; transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease); }
.task-check:hover { box-shadow: inset 0 0 0 1.5px var(--accent); background: var(--accent-soft); }
.task-check.done { background: var(--ok); color: #fff; box-shadow: none; cursor: default; }
.twofa { max-width: 560px; }
.twofa-steps { text-align: left; margin: 20px 0 8px; padding-left: 1.2em; color: var(--ink-2); font-size: 0.95rem; }
.twofa-steps li { margin: 8px 0; }
.qr-box { display: grid; place-items: center; margin: 14px auto 20px; padding: 14px; width: 220px; border-radius: 18px; background: #fff; box-shadow: 0 0 0 1px var(--line); }
.qr-box svg.qr { width: 190px; height: 190px; }
.backup-codes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin: 20px 0 4px; }
.backup-codes .code { padding: 10px; font-size: 1rem; letter-spacing: 0.08em; }

/* ---------- Свой выпадающий список ---------- */
.cselect { position: relative; width: 100%; }
.cselect-native { position: absolute !important; inset: 0; opacity: 0; pointer-events: none; }
.cselect-btn { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 16px; border: 0; border-radius: var(--r-field);
  background: var(--bg); color: var(--ink); font: inherit; text-align: left; cursor: pointer; box-shadow: inset 0 0 0 1px var(--line-strong);
  transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease); }
.cselect-btn:hover { box-shadow: inset 0 0 0 1px rgb(22 19 31 / 0.2); }
.cselect-btn:focus-visible, .cselect.is-open .cselect-btn { outline: none; background: var(--surface); box-shadow: inset 0 0 0 1.5px var(--accent), 0 0 0 4px rgb(115 36 255 / 0.12); }
.cselect-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.cselect-btn.is-placeholder .cselect-text { color: var(--muted); }
.cselect-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cselect-btn::after { content: ""; flex: none; width: 8px; height: 8px; margin: -4px 2px 0 0; border-right: 1.5px solid var(--muted); border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg); transition: transform 0.4s var(--ease), margin 0.4s var(--ease); }
.cselect.is-open .cselect-btn::after { transform: rotate(-135deg); margin-top: 4px; }
.cselect-list { position: fixed; z-index: 40; margin: 0; padding: 6px; list-style: none; min-width: 200px;
  max-height: 290px; overflow-y: auto; border-radius: 16px; background: rgb(255 255 255 / 0.96); outline: none;
  box-shadow: 0 0 0 1px var(--line), 0 24px 50px -18px rgb(60 25 140 / 0.35); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  opacity: 0; visibility: hidden; transform: translateY(-6px) scale(0.98); transform-origin: top center;
  transition: opacity 0.25s var(--ease-out), transform 0.35s var(--ease-out), visibility 0.25s; }
.cselect.drop-up .cselect-list { transform-origin: bottom center; transform: translateY(6px) scale(0.98); }
.cselect.is-open .cselect-list { opacity: 1; visibility: visible; transform: none; }
.cselect-list li { position: relative; padding: 10px 36px 10px 12px; border-radius: 10px; cursor: pointer; font-size: 0.94rem; color: var(--ink-2); }
.cselect-list li.is-active { background: var(--accent-soft); color: var(--ink); }
.cselect-list li[aria-selected="true"] { color: var(--accent-text); font-weight: 600; }
.cselect-list li[aria-selected="true"]::after { content: ""; position: absolute; right: 14px; top: 50%; width: 10px; height: 5px; margin-top: -4px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.cselect-list li[aria-disabled="true"] { opacity: 0.45; cursor: default; }
/* Компактные варианты: фильтры, строка добавления, доска CRM */
.filters .cselect { width: auto; min-width: 190px; }
.filters .cselect-btn, .add-line .cselect-btn { padding: 10px 14px; }
.add-line .cselect { flex: 1; }
.board-move .cselect { margin-top: 10px; }
.board-move .cselect-btn { padding: 7px 12px; font-size: 0.84rem; border-radius: 999px; }
.board-move .cselect-list { font-size: 0.88rem; }
@media (max-width: 599px) { .filters .cselect { width: 100%; } }
.title-accent { color: var(--accent-text); font-weight: 600; }
/* Неоткрытый курс: обложка приглушена до 30%, при наведении проступает целиком */
.cover-muted::before { content: ""; position: absolute; inset: 0; z-index: 0; background: var(--bg); opacity: 0.7; transition: opacity 0.6s var(--ease); }
.cover-muted > * { position: relative; z-index: 1; }
.course-card.is-locked:hover .cover-muted::before { opacity: 0.35; }
.pill-lock { background: var(--surface) !important; color: var(--ink-2) !important; box-shadow: 0 0 0 1px var(--line); backdrop-filter: none !important; }
.course-card.is-locked h3 { color: var(--ink-2); }

/* Сумма уведомлений группы — видна только в свёрнутом состоянии, рядом со стрелкой */
.m-group .m-group-count { display: none; margin: 0 8px 0 auto; letter-spacing: 0; text-transform: none; }
.m-section.is-collapsed .m-group-count { display: inline-grid; }
.m-section.is-collapsed.has-current .m-group:has(.m-group-count)::after { display: none; }

/* Бренд: короткое имя + дескриптор мелко под ним */
.brand-text { display: flex; flex-direction: column; line-height: 1.1; font-weight: 700; letter-spacing: -0.01em; }
.brand-text small { font-size: 0.72rem; font-weight: 500; color: var(--muted); letter-spacing: 0; margin-top: 2px; }
@media (max-width: 420px) { .nav .brand-text small { display: none; } }