/* ==========================================================================
   Нейропомощники — премиум-платформа. Две темы (dark/light), тёплый акцент,
   спокойные сочные цвета, максимум фокуса на учёбе. html[data-theme].
   ========================================================================== */

:root {
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --r-xl: 22px;
  --r-lg: 18px;
  --r-md: 13px;
  --r-sm: 9px;
  --maxw: 1720px;
  --side: 300px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --icon-copy: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='13' height='13' rx='2'/%3E%3Cpath d='M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1'/%3E%3C/svg%3E");
  color-scheme: dark;
}

/* ---- ТЁМНАЯ ПРЕМИУМ (по умолчанию) ---- */
html[data-theme="dark"], :root {
  --bg:        #0c0d11;
  --bg-2:      #101218;
  --surface:   #14161d;
  --surface-2: #191c24;
  --raised:    #1e212b;
  --line:      rgba(255,255,255,0.07);
  --line-2:    rgba(255,255,255,0.11);
  --text:      #edeef2;
  --text-2:    #b6b9c4;
  --muted:     #7f8494;
  --dim:       #565b68;
  --accent:    #e6a95c;
  --accent-2:  #f2c078;
  --accent-ink:#2a1c08;
  --accent-soft: rgba(230,169,92,0.13);
  --accent-line: rgba(230,169,92,0.30);
  --ok:        #6fcf97;
  --ok-soft:   rgba(111,207,151,0.14);
  --danger:    #e0645f;
  --danger-soft: rgba(224,100,95,0.13);
  --shadow:    0 24px 60px rgba(0,0,0,0.55);
  --shadow-sm: 0 8px 24px rgba(0,0,0,0.4);
  --glow:      radial-gradient(60% 60% at 50% 0%, rgba(230,169,92,0.10), transparent 70%);
  color-scheme: dark;
}

/* ---- СВЕТЛАЯ ПРЕМИУМ ---- */
html[data-theme="light"] {
  --bg:        #f6f5f1;
  --bg-2:      #efeee8;
  --surface:   #ffffff;
  --surface-2: #faf9f6;
  --raised:    #ffffff;
  --line:      rgba(20,22,30,0.09);
  --line-2:    rgba(20,22,30,0.14);
  --text:      #1a1c22;
  --text-2:    #4a4e59;
  --muted:     #7b8090;
  --dim:       #a8adba;
  --accent:    #b87833;
  --accent-2:  #a56a2a;
  --accent-ink:#ffffff;
  --accent-soft: rgba(184,120,51,0.10);
  --accent-line: rgba(184,120,51,0.28);
  --ok:        #3a9e6a;
  --ok-soft:   rgba(58,158,106,0.12);
  --danger:    #c9524d;
  --danger-soft: rgba(201,82,77,0.10);
  --shadow:    0 20px 50px rgba(60,50,30,0.12);
  --shadow-sm: 0 6px 20px rgba(60,50,30,0.08);
  --glow:      radial-gradient(60% 60% at 50% 0%, rgba(184,120,51,0.07), transparent 70%);
  color-scheme: light;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
  position: relative;
  overflow-x: hidden;
}
html[data-text-size="large"] body { font-size: 18px; }
html[data-text-size="large"] .codex-markdown { font-size: 18px; line-height: 1.82; }
html[data-text-size="large"] .codex-markdown h3 { font-size: 23px; }
html[data-text-size="large"] .codex-block-purpose,
html[data-text-size="large"] .codex-module-hint,
html[data-text-size="large"] .codex-module-lesson-card small { font-size: 14px; }

/* мягкие премиум-свечения фоном — ненавязчиво, не отвлекает */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(48% 42% at 82% 6%, var(--accent-soft), transparent 68%),
    radial-gradient(40% 40% at 8% 2%, rgba(120,130,255,0.05), transparent 70%);
}

::selection { background: var(--accent-soft); color: var(--text); }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img, video, svg { max-width: 100%; display: block; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ==================== ВХОД / ЗАГРУЗКА ==================== */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 28px; }
.login-panel {
  width: 100%; max-width: 440px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-xl); padding: 44px 40px; box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.login-panel::before {
  content: ""; position: absolute; top: 0; left: 12%; right: 12%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-line), transparent);
}
.login-panel p { color: var(--text-2); font-size: 14.5px; margin: 14px 0; }
.login-panel .field { margin: 18px 0; }
.login-panel label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; font-weight: 600; }
.login-panel input {
  width: 100%; background: var(--surface-2); border: 1px solid var(--line-2); color: var(--text);
  border-radius: var(--r-md); padding: 14px 16px; font-size: 15px; outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.login-panel input:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.login-intro { text-align: center; }
.login-error {
  color: var(--danger) !important; background: var(--danger-soft);
  border: 1px solid var(--danger);
  border-radius: var(--r-md); padding: 11px 13px; margin: 12px 0 0 !important;
  font-size: 13px !important; line-height: 1.45;
}
.login-divider {
  display: flex; align-items: center; gap: 12px; margin: 24px 0 14px;
  color: var(--muted); font-size: 12px;
}
.login-divider::before, .login-divider::after {
  content: ""; height: 1px; flex: 1; background: var(--line-2);
}
.login-secondary,
.login-secondary:visited,
.login-secondary:hover,
.login-secondary:active,
.login-secondary:focus {
  display: block; width: 100%; padding: 13px 18px; text-align: center;
  border: 1px solid var(--line-2); border-radius: 100px;
  color: var(--text-2); background: transparent; text-decoration: none;
  font-size: 14px; font-weight: 600;
}
.login-secondary:hover, .login-secondary:focus-visible {
  color: var(--text); border-color: var(--muted); background: var(--surface-2);
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand .mark {
  width: 42px; height: 42px; border-radius: 13px; flex: none;
  background: #14161d url(/ui/logo.jpg?v=1) center/cover no-repeat;
  box-shadow: 0 6px 20px var(--accent-soft), inset 0 1px 0 rgba(255,255,255,0.12);
  border: 1px solid var(--line-2);
}
.brand h1 { font-size: 19px; font-weight: 800; letter-spacing: -0.4px; line-height: 1.1; }
.brand p { font-size: 12.5px; color: var(--muted); margin: 3px 0 0; }

/* ==================== КНОПКИ ==================== */
.primary {
  display: block; width: 100%; margin-top: 22px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: var(--accent-ink); font-weight: 700; font-size: 15.5px; border: 0; border-radius: 100px;
  padding: 15px 24px; text-align: center;
  box-shadow: 0 10px 26px var(--accent-soft), inset 0 1px 0 rgba(255,255,255,0.3);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), filter 0.2s var(--ease);
}
.primary:hover { transform: translateY(-2px); filter: brightness(1.05); box-shadow: 0 16px 34px var(--accent-soft), inset 0 1px 0 rgba(255,255,255,0.3); }
.primary:active { transform: translateY(0) scale(0.99); }
.primary:disabled { opacity: 0.55; cursor: wait; transform: none; }

.ghost, .danger {
  border: 1px solid var(--line-2); background: transparent; color: var(--text-2);
  border-radius: 100px; padding: 12px 18px; font-size: 14px; font-weight: 600; transition: all 0.2s var(--ease);
}
.ghost:hover { color: var(--text); border-color: var(--muted); background: var(--surface-2); }
.danger { color: var(--danger); border-color: var(--danger-soft); }
.danger:hover { background: var(--danger-soft); border-color: var(--danger); }

/* ==================== ОБОЛОЧКА ==================== */
.shell {
  max-width: var(--maxw); margin: 0 auto; padding: 30px 32px 80px;
  display: grid; grid-template-columns: var(--side) minmax(0, 1fr); gap: 34px; align-items: start;
}
.sidebar { position: sticky; top: 30px; display: flex; flex-direction: column; gap: 20px; }
.sidebar .brand { padding: 4px 4px 2px; }

.student-panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 24px 22px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.student-panel::before { content: ""; position: absolute; inset: 0; background: var(--glow); pointer-events: none; }
.student-panel > * { position: relative; }
.student-name { font-size: 17px; font-weight: 700; letter-spacing: -0.2px; }
.student-panel .phone { font-size: 13px; color: var(--muted); margin: 2px 0 18px; word-break: break-all; }

.progress-bar { height: 8px; border-radius: 100px; background: var(--surface-2); border: 1px solid var(--line); overflow: hidden; margin-bottom: 9px; }
.progress-bar span {
  display: block; height: 100%; width: var(--value, 0%);
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 100px;
  transition: width 0.7s var(--ease); box-shadow: 0 0 12px var(--accent-soft);
}
.muted { color: var(--muted); font-size: 13px; }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0; }
.stat { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-md); padding: 14px 16px; text-align: left; }
.stat strong { display: block; font-size: 26px; font-weight: 800; letter-spacing: -1px; }
.stat span { font-size: 12px; color: var(--muted); }

.stack { display: flex; flex-direction: column; gap: 10px; }
.stack button { width: 100%; }

/* кнопки Telegram-канала и чата потока */
.tg-links { display: flex; flex-direction: column; gap: 10px; margin: 0 0 18px; }
.tg-btn {
  display: flex; align-items: center; gap: 11px; width: 100%;
  background: linear-gradient(180deg, var(--accent-soft), transparent);
  border: 1px solid var(--accent-line); color: var(--text);
  border-radius: var(--r-md); padding: 13px 16px;
  font-size: 14px; font-weight: 700; letter-spacing: -0.2px;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.tg-btn:hover { transform: translateY(-1px); border-color: var(--accent); box-shadow: 0 8px 22px var(--accent-soft); }
.tg-btn svg { width: 19px; height: 19px; flex: none; color: var(--accent); }
button.tg-btn { cursor: pointer; font-family: inherit; text-align: left; }
.tg-btn.club-materials {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-color: transparent; color: var(--accent-ink);
}
.tg-btn.club-materials svg { color: var(--accent-ink); }
.tg-btn.club-materials:hover { box-shadow: 0 10px 28px var(--accent-soft); }

/* раздел «Материалы клуба» */
.club-catalog { padding: 44px; }
.club-catalog-intro {
  max-width: 720px; margin: 12px 0 30px; color: var(--text-2);
  font-size: 15.5px; line-height: 1.7;
}
.materials-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.materials-grid .empty { grid-column: 1 / -1; }
.material-card {
  display: flex; flex-direction: column; align-items: stretch; min-height: 300px;
  width: 100%; text-align: left; color: var(--text);
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line-2); border-radius: var(--r-lg); padding: 24px;
  position: relative; overflow: hidden;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.material-card::before {
  content: ""; position: absolute; width: 190px; height: 190px; border-radius: 50%;
  right: -90px; top: -100px; background: var(--card-glow, var(--accent-soft));
  filter: blur(2px); pointer-events: none;
}
.material-card:hover {
  transform: translateY(-4px); border-color: var(--card-line, var(--accent-line));
  box-shadow: 0 18px 34px rgba(0,0,0,0.18);
}
.material-card-program { --card-glow: rgba(111,207,151,0.16); --card-line: rgba(111,207,151,0.38); }
.material-card-codex { --card-glow: var(--accent-soft); --card-line: var(--accent-line); }
.material-card-coworkings { --card-glow: rgba(110,168,254,0.16); --card-line: rgba(110,168,254,0.38); }
.material-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 28px; }
.material-icon {
  display: flex; align-items: center; justify-content: center; width: 48px; height: 48px;
  border-radius: 14px; color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-line);
}
.material-card-program .material-icon { color: var(--ok); background: var(--ok-soft); border-color: rgba(111,207,151,0.26); }
.material-card-coworkings .material-icon { color: #6ea8fe; background: rgba(110,168,254,0.13); border-color: rgba(110,168,254,0.28); }
.material-icon svg { width: 24px; height: 24px; }
.material-status {
  font-size: 10.5px; font-weight: 800; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--muted); background: var(--surface); border: 1px solid var(--line-2);
  border-radius: 100px; padding: 6px 10px;
}
.material-status.ready { color: var(--ok); background: var(--ok-soft); border-color: rgba(111,207,151,0.25); }
.material-kicker {
  color: var(--muted); font-size: 11.5px; font-weight: 750; letter-spacing: 1px;
  text-transform: uppercase; margin-bottom: 8px;
}
.material-card strong { display: block; font-size: 21px; line-height: 1.25; font-weight: 800; letter-spacing: -0.5px; }
.material-card p { font-size: 13.5px; color: var(--text-2); margin-top: 11px; line-height: 1.65; }
.material-open {
  display: flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 24px;
  color: var(--text); font-size: 13px; font-weight: 750;
}
.material-open svg { width: 17px; height: 17px; transition: transform 0.2s var(--ease); }
.material-card:hover .material-open svg { transform: translateX(4px); }
.club-section-placeholder > .ghost { width: auto; padding: 10px 20px; margin-bottom: 26px; }
.club-section-placeholder > p { max-width: 760px; color: var(--text-2); margin: 12px 0 26px; line-height: 1.7; }
.codex-course-view { min-width: 0; }
.codex-course-hero {
  background:
    radial-gradient(circle at 86% 0%, var(--accent-soft), transparent 34%),
    var(--surface);
  border: 1px solid var(--line); border-radius: var(--r-xl); padding: 38px 40px;
  margin-bottom: 22px; box-shadow: var(--shadow-sm);
}
.codex-course-hero > .ghost { width: auto; padding: 10px 20px; margin-bottom: 28px; }
.codex-course-hero h1 {
  max-width: 860px; font-size: clamp(30px, 4.2vw, 48px); line-height: 1.05;
  letter-spacing: -1.5px;
}
.codex-course-hero > p { max-width: 800px; color: var(--text-2); line-height: 1.7; margin: 14px 0 22px; }
.codex-course-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.codex-course-stats span {
  color: var(--text-2); background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 100px; padding: 8px 13px; font-size: 12px;
}
.codex-course-stats strong { color: var(--text); margin-right: 3px; }
.codex-progress { max-width: 580px; margin: 0; }
.codex-block-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px;
}
.codex-block-card {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; min-height: 285px;
  padding: 26px; overflow: hidden; text-align: left; color: var(--text);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-xl);
  box-shadow: var(--shadow-sm); transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}
.codex-block-card:hover { transform: translateY(-3px); border-color: var(--accent-line); }
.codex-block-reference {
  background: radial-gradient(circle at 100% 0%, var(--accent-soft), transparent 48%), var(--surface);
}
.codex-block-number {
  position: absolute; top: 18px; right: 22px; color: var(--accent); opacity: 0.28;
  font-size: 68px; font-weight: 850; line-height: 1;
}
.codex-block-card > strong {
  max-width: 82%; margin-top: 13px; font-size: clamp(21px, 2.6vw, 29px); line-height: 1.12;
  letter-spacing: -0.7px;
}
.codex-block-purpose {
  max-width: 92%; margin: 13px 0 0; color: var(--text-2); font-size: 13px; line-height: 1.55;
}
.codex-block-card > small { margin-top: 15px; color: var(--muted); font-size: 12px; }
.codex-block-open { margin-top: auto; padding-top: 28px; color: var(--text); font-size: 13px; font-weight: 750; }
.codex-flat-list { display: grid; gap: 11px; max-width: 1100px; margin: 0 auto; }
.codex-flat-lesson-card {
  display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; gap: 18px; align-items: center;
  width: 100%; min-height: 118px; padding: 20px 22px; color: var(--text); text-align: left;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}
.codex-flat-lesson-card:hover { transform: translateY(-1px); border-color: var(--accent-line); background: var(--surface-2); }
.codex-flat-number {
  display: grid; place-items: center; width: 46px; height: 46px; color: var(--accent);
  background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: 14px;
  font-size: 16px; font-weight: 850;
}
.codex-flat-copy { min-width: 0; }
.codex-flat-copy small { display: block; margin-bottom: 3px; color: var(--muted); font-size: 11px; }
.codex-flat-copy strong { display: block; font-size: 18px; line-height: 1.3; }
.codex-flat-copy p { max-width: 760px; margin-top: 6px; color: var(--text-2); font-size: 13px; line-height: 1.5; }
.codex-flat-open { color: var(--muted); font-size: 12px; font-weight: 750; white-space: nowrap; }
.codex-detail-view { max-width: 1040px; margin: 0 auto; }
.codex-detail-view > .lesson-view { min-height: 0; }
.codex-back { width: auto; margin-bottom: 28px; padding: 10px 18px; }
.codex-module-view > h1 { max-width: 780px; margin: 10px 0 12px; }
.codex-module-lead { max-width: 680px; color: var(--text-2); line-height: 1.65; margin-bottom: 26px; }
.codex-module-hint { max-width: 680px; margin: -12px 0 26px; color: var(--muted); font-size: 12px; }
.codex-module-route {
  max-width: 760px; margin: 0 0 24px; padding: 17px 19px; color: var(--text-2);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-md);
}
.codex-module-route strong { display: block; color: var(--text); margin-bottom: 4px; }
.codex-module-route p { line-height: 1.6; }
.codex-module-lesson-grid { display: grid; gap: 12px; margin-top: 22px; }
.codex-module-lesson-card {
  display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 15px; align-items: center;
  width: 100%; padding: 20px; color: var(--text); text-align: left;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-lg);
}
.codex-module-lesson-card:hover { border-color: var(--accent-line); background: var(--accent-soft); }
.codex-module-lesson-card small { display: block; margin-bottom: 4px; color: var(--muted); font-size: 10px; }
.codex-module-lesson-card strong { display: block; font-size: 16px; line-height: 1.35; }
.codex-lesson-status {
  display: flex; align-items: center; justify-content: center; width: 40px; height: 40px;
  border: 1px solid var(--line-2); border-radius: 12px; color: var(--muted); font-size: 12px; font-weight: 800;
}
.codex-lesson-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 13px; }
.codex-lesson-meta span {
  color: var(--muted); background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 100px; padding: 6px 10px; font-size: 10.5px; font-weight: 700;
}
.codex-lesson-view > h1 { max-width: 900px; margin-bottom: 28px; }
.codex-start-card {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px;
  margin: 0 0 22px; padding: 20px; background: var(--surface-2);
  border: 1px solid var(--accent-line); border-radius: var(--r-lg);
}
.codex-start-card > strong { grid-column: 1 / -1; }
.codex-start-card > strong { font-size: 17px; }
.codex-start-card > div { display: grid; gap: 4px; padding: 12px; background: var(--surface); border-radius: var(--r-sm); }
.codex-start-card span { color: var(--muted); font-size: 11px; }
.codex-start-card b { color: var(--text); font-size: 13px; line-height: 1.45; }
.codex-start-card p { color: var(--text-2); font-size: 13px; line-height: 1.55; margin-top: 3px; }
.codex-step-count {
  display: inline-block; margin-right: 9px; padding: 4px 8px; vertical-align: 3px;
  color: var(--accent); background: var(--accent-soft); border-radius: 100px;
  font-size: 10px; letter-spacing: 0; white-space: nowrap;
}
.codex-no-download {
  display: block; padding: 14px 16px; color: var(--text-2);
  background: var(--ok-soft); border: 1px solid color-mix(in srgb, var(--ok) 35%, var(--line));
  border-radius: var(--r-md); line-height: 1.6;
}
.codex-no-download strong { color: var(--text); }
.codex-markdown { color: var(--text-2); font-size: 15px; line-height: 1.72; }
.codex-markdown h2, .codex-markdown h3, .codex-markdown h4, .codex-markdown h5 {
  color: var(--text); line-height: 1.25; letter-spacing: -0.35px; scroll-margin-top: 24px;
}
.codex-markdown h2 { font-size: 25px; margin: 36px 0 14px; }
.codex-markdown h3 { font-size: 20px; margin: 30px 0 12px; }
.codex-markdown h4, .codex-markdown h5 { font-size: 17px; margin: 24px 0 10px; }
.codex-markdown p { margin: 0 0 15px; }
.codex-markdown ul, .codex-markdown ol { display: grid; gap: 7px; padding-left: 24px; margin: 0 0 18px; }
.codex-markdown li::marker { color: var(--accent); font-weight: 800; }
.codex-markdown blockquote {
  margin: 18px 0; padding: 17px 20px; color: var(--text);
  background: linear-gradient(180deg, var(--accent-soft), var(--surface-2));
  border: 1px solid var(--accent-line); border-left: 4px solid var(--accent); border-radius: var(--r-md);
}
.codex-markdown .codex-callout {
  position: relative; padding: 18px 20px 18px 52px; border-left-width: 1px;
}
.codex-markdown .codex-callout::before {
  position: absolute; left: 18px; top: 17px; display: grid; place-items: center;
  width: 24px; height: 24px; border-radius: 8px; font-size: 13px; font-weight: 900;
  background: var(--accent); color: #17130d;
}
.codex-markdown .codex-callout-result::before { content: "✓"; }
.codex-markdown .codex-callout-check::before { content: "?"; }
.codex-markdown .codex-callout-help::before { content: "i"; }
.codex-markdown .codex-callout-warning::before { content: "!"; }
.codex-markdown .codex-callout-route::before { content: "→"; }
.codex-markdown .codex-callout-result { background: linear-gradient(180deg, color-mix(in srgb, var(--ok) 10%, transparent), var(--surface-2)); border-color: color-mix(in srgb, var(--ok) 38%, var(--line)); }
.codex-markdown .codex-callout-result::before { background: var(--ok); color: #07130e; }
.codex-markdown .codex-callout-warning { background: linear-gradient(180deg, rgba(224, 95, 86, 0.09), var(--surface-2)); border-color: rgba(224, 95, 86, 0.34); }
.codex-markdown .codex-callout-warning::before { background: #e06c63; color: #190706; }
.codex-markdown h3[id], .codex-markdown h4[id] { scroll-margin-top: 24px; }
.codex-markdown code {
  color: var(--text); background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 6px; padding: 2px 6px; font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.88em;
}
.codex-markdown pre {
  overflow: auto; margin: 18px 0; padding: 18px; background: var(--bg-2);
  border: 1px solid var(--line-2); border-radius: var(--r-md);
}
.codex-markdown pre code { padding: 0; border: 0; background: transparent; }
.codex-prompt-wrap { margin: 18px 0; }
.codex-prompt-wrap pre { margin: 0; padding-top: 54px; }
.codex-prompt-wrap .copy-btn { top: 10px; right: 10px; }
.codex-learner-note, .codex-medical-note {
  display: grid; gap: 5px; margin: 0 0 22px; padding: 16px 18px;
  color: var(--text-2); background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--r-md); font-size: 13.5px; line-height: 1.55;
}
.codex-learner-note strong, .codex-medical-note strong { color: var(--text); font-size: 14px; }
.codex-medical-note { border-color: rgba(224, 95, 86, 0.38); background: rgba(224, 95, 86, 0.07); }
.codex-help-nav {
  display: grid; gap: 8px; margin: 22px 0 30px; padding: 18px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-md);
}
.codex-help-nav strong { color: var(--text); margin-bottom: 3px; }
.codex-help-nav a { display: block; padding: 8px 10px; border-radius: 8px; }
.codex-help-nav a:hover { background: var(--accent-soft); }
.codex-figure img[data-codex-image] { cursor: zoom-in; }
.codex-image-dialog {
  width: min(1180px, 94vw); max-height: 92vh; padding: 12px; color: var(--text);
  background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--r-lg);
}
.codex-image-dialog::backdrop { background: rgba(0, 0, 0, 0.82); }
.codex-image-dialog form { display: flex; justify-content: flex-end; margin-bottom: 8px; }
.codex-image-dialog button { width: auto; padding: 8px 12px; }
.codex-image-dialog img { display: block; max-width: 100%; max-height: calc(92vh - 70px); margin: auto; }
.codex-markdown a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.codex-figure {
  margin: 24px 0 30px; overflow: hidden; background: var(--surface-2);
  border: 1px solid var(--line); border-radius: var(--r-lg);
}
.codex-figure img { display: block; width: 100%; height: auto; }
.codex-figure figcaption {
  padding: 11px 15px; color: var(--muted); border-top: 1px solid var(--line);
  font-size: 11.5px; line-height: 1.45;
}
.codex-markdown hr { border: 0; border-top: 1px solid var(--line); margin: 30px 0; }
.codex-table-wrap { overflow-x: auto; margin: 18px 0 24px; border: 1px solid var(--line); border-radius: var(--r-md); }
.codex-markdown table { width: 100%; border-collapse: collapse; min-width: 620px; }
.codex-markdown th, .codex-markdown td { padding: 11px 13px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.codex-markdown th { color: var(--text); background: var(--surface-2); font-size: 12px; }
.codex-markdown td { font-size: 12.5px; }
.codex-completion { margin-top: 38px; padding-top: 24px; border-top: 1px solid var(--line); }
.codex-completion button { width: auto; }
.codex-completion .completed { color: var(--ok); border-color: var(--ok); }
.codex-lesson-pagination { display: flex; justify-content: space-between; gap: 14px; margin-top: 18px; }
.codex-lesson-pagination button { width: auto; }
.coworkings-view > .ghost { width: auto; padding: 10px 20px; margin-bottom: 26px; }
.coworkings-intro { color: var(--text-2); margin: 11px 0 28px; }
.coworking-catalog-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.coworking-card {
  display: flex; flex-direction: column; align-items: stretch; min-height: 270px; width: 100%;
  padding: 25px; text-align: left; color: var(--text); background: linear-gradient(145deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line); border-radius: var(--r-lg); transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.coworking-card:hover { transform: translateY(-3px); border-color: rgba(110,168,254,.45); box-shadow: 0 18px 34px rgba(0,0,0,.18); }
.coworking-card-number { color: #6ea8fe; font-size: 12px; font-weight: 800; letter-spacing: .6px; text-transform: uppercase; }
.coworking-card-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
.coworking-card-meta span { color: var(--muted); background: var(--surface); border: 1px solid var(--line); border-radius: 100px; padding: 5px 10px; font-size: 11.5px; font-weight: 700; }
.coworking-card strong { font-size: 21px; line-height: 1.28; letter-spacing: -.5px; }
.coworking-card p { margin-top: 10px; color: var(--text-2); font-size: 13.5px; line-height: 1.65; }
.coworking-card-open { display: flex; gap: 8px; margin-top: auto; padding-top: 22px; font-size: 13px; font-weight: 750; }
.coworking-assistants { margin-top: 24px; padding: 20px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); }
.coworking-assistants .material-kicker { display: block; margin-bottom: 10px; }
.coworking-assistants > div { display: flex; flex-wrap: wrap; gap: 10px; }
.coworking-assistant { display: inline-flex; align-items: center; gap: 8px; color: var(--text); background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: 10px; padding: 10px 13px; font-size: 13px; font-weight: 750; text-decoration: none; }
.coworking-assistant:hover { border-color: var(--accent); }
.coworking-meeting {
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 28px; overflow: hidden;
}
.reels-factory-view { min-width: 0; }
.reels-factory-meta { margin: 18px 0 20px; }
.reels-guide-nav {
  margin: 0 0 22px; padding: 20px; background: var(--surface-2);
  border: 1px solid var(--line); border-radius: var(--r-lg);
}
.reels-guide-nav > strong {
  display: block; margin-bottom: 13px; color: var(--text); font-size: 14px;
}
.reels-guide-nav > div { display: flex; flex-wrap: wrap; gap: 8px; }
.reels-guide-nav a {
  display: inline-flex; align-items: center; min-height: 38px; padding: 8px 12px;
  color: var(--text-2); background: var(--surface); border: 1px solid var(--line);
  border-radius: 10px; font-size: 12px; font-weight: 700; line-height: 1.35;
  text-decoration: none; transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.reels-guide-nav a:hover, .reels-guide-nav a:focus-visible {
  color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft);
}
.reels-guide-article { padding: 34px; }
.reels-guide-article .codex-markdown { max-width: 920px; margin: 0 auto; }
.reels-guide-article .codex-markdown > p:first-child {
  margin-bottom: 26px; padding: 18px 20px; color: var(--text);
  background: var(--accent-soft); border: 1px solid var(--accent-line);
  border-left: 4px solid var(--accent); border-radius: var(--r-md); line-height: 1.7;
}
.reels-guide-article .codex-markdown h2:first-of-type { margin-top: 8px; }
.reels-guide-article .codex-markdown .prompt-wrap { margin: 18px 0 24px; }
.reels-guide-article .codex-markdown pre { max-height: none; }
.reels-guide-footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 22px;
}
.reels-guide-footer .ghost { width: auto; }
.prompt-wrap .copy-btn.copy-failed { color: var(--danger); border-color: var(--danger); }
.coworking-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.coworking-meta span {
  color: var(--muted); background: var(--surface); border: 1px solid var(--line);
  border-radius: 100px; padding: 5px 10px; font-size: 11.5px; font-weight: 700;
}
.coworking-meeting h2 {
  max-width: 900px; font-size: clamp(22px, 3vw, 32px); line-height: 1.2;
  letter-spacing: -0.7px;
}
.coworking-summary { max-width: 900px; color: var(--text-2); margin: 12px 0 22px; line-height: 1.7; }
.coworking-video {
  display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain;
  background: #000; border: 1px solid var(--line-2); border-radius: var(--r-md);
}
.timecodes-block { margin-top: 28px; }
.timecodes-heading {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
  padding-bottom: 16px; border-bottom: 1px solid var(--line);
}
.timecodes-heading .material-kicker { display: block; margin-bottom: 3px; }
.timecodes-heading h3 { font-size: 22px; letter-spacing: -0.4px; }
.timecodes-heading > span { color: var(--muted); font-size: 12px; font-weight: 700; }
.timecodes-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px 18px; }
.timecode-row {
  display: grid; grid-template-columns: 72px 1fr; gap: 12px; align-items: start;
  width: 100%; padding: 13px 8px; text-align: left; color: var(--text);
  background: transparent; border: 0; border-bottom: 1px solid var(--line);
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}
.timecode-row:hover { color: var(--accent); background: var(--accent-soft); }
.timecode-row > span { color: var(--accent); font-size: 12.5px; font-weight: 800; font-variant-numeric: tabular-nums; }
.timecode-row strong { font-size: 13px; line-height: 1.45; font-weight: 650; }

.theme-toggle {
  display: inline-flex; align-items: center; gap: 8px; background: var(--surface-2);
  border: 1px solid var(--line-2); border-radius: 100px; padding: 8px 15px; font-size: 12.5px;
  color: var(--text-2); font-weight: 600; transition: all 0.2s var(--ease); width: 100%; justify-content: center;
}
.theme-toggle:hover { border-color: var(--muted); color: var(--text); }
.theme-toggle svg { width: 16px; height: 16px; }

/* ==================== КОНТЕНТ ==================== */
.content { min-width: 0; }
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.topbar h2 { font-size: clamp(30px, 4vw, 42px); font-weight: 800; letter-spacing: -1.2px; line-height: 1.05; }
.topbar p { color: var(--muted); font-size: 14px; max-width: 620px; margin-top: 10px; line-height: 1.6; }

.toggle {
  display: inline-flex; align-items: center; gap: 9px; cursor: pointer; background: var(--surface);
  border: 1px solid var(--line-2); border-radius: 100px; padding: 9px 16px; font-size: 13.5px;
  color: var(--text-2); font-weight: 600; white-space: nowrap; transition: all 0.2s var(--ease);
}
.toggle:hover { border-color: var(--muted); }
.toggle input { accent-color: var(--accent); width: 16px; height: 16px; }

.layout { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 24px; align-items: start; }
.lesson-list {
  display: flex; flex-direction: column; gap: 10px; max-height: calc(100vh - 60px);
  overflow-y: auto; padding-right: 4px; position: sticky; top: 30px;
}

.lesson-item {
  display: grid; grid-template-columns: 44px 1fr auto; gap: 14px; align-items: center; text-align: left;
  width: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 15px 16px; transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.lesson-item:hover { transform: translateX(3px); border-color: var(--line-2); background: var(--surface-2); }
.lesson-item.active {
  border-color: var(--accent-line); background: linear-gradient(180deg, var(--accent-soft), transparent);
  box-shadow: inset 0 0 0 1px var(--accent-line), var(--shadow-sm);
}
.lesson-number {
  width: 40px; height: 40px; border-radius: 11px; flex: none; display: flex; align-items: center;
  justify-content: center; background: var(--surface-2); border: 1px solid var(--line-2);
  font-weight: 800; font-size: 14px; color: var(--text-2);
}
.lesson-item.active .lesson-number { background: var(--accent-soft); border-color: var(--accent-line); color: var(--accent); }
.lesson-title { min-width: 0; }
.lesson-title strong { display: flex; align-items: center; gap: 8px; font-size: 14.5px; font-weight: 700; letter-spacing: -0.2px; line-height: 1.3; }
.lesson-title span { font-size: 12px; color: var(--muted); display: block; margin-top: 3px; }
.block-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--accent); }
.block-dot.block-foundation { background: #6ea8fe; }
.block-dot.block-content { background: #6fcf97; }
.block-dot.block-bot { background: var(--accent); }
.block-dot.block-bonus { background: #b98cff; }

.badge { font-size: 11px; font-weight: 700; letter-spacing: 0.2px; padding: 5px 11px; border-radius: 100px; white-space: nowrap; border: 1px solid transparent; }
.badge.available { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-line); }
.badge.completed { background: var(--ok-soft); color: var(--ok); }
.badge.locked { background: var(--surface-2); color: var(--dim); border-color: var(--line); }

/* ==================== ПРОСМОТР УРОКА ==================== */
.lesson-view {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-xl);
  padding: 38px 40px; box-shadow: var(--shadow-sm); min-width: 0;
  overflow: hidden; position: relative;
}
.lesson-heading {
  font-size: clamp(26px, 3.5vw, 38px); font-weight: 800; letter-spacing: -1px;
  line-height: 1.1; margin: 0 0 26px;
}
.lesson-passport { display: flex; flex-direction: column; gap: 22px; }
.lesson-intro .eyebrow, .eyebrow {
  display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-line);
  padding: 5px 12px; border-radius: 100px; margin-bottom: 14px;
}
.lesson-intro h4 { font-size: 13px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 6px; }
.lesson-intro > p { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; line-height: 1.35; color: var(--text); }
.lesson-view h1 { font-size: clamp(26px, 3.5vw, 38px); font-weight: 800; letter-spacing: -1px; line-height: 1.1; }

.lesson-section { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px 28px; }
.lesson-section-critical { border-color: var(--accent-line); background: linear-gradient(180deg, var(--accent-soft), var(--surface-2)); }
.section-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.section-heading span {
  width: 28px; height: 28px; border-radius: 9px; flex: none; display: flex; align-items: center;
  justify-content: center; background: var(--accent); color: var(--accent-ink); font-weight: 800; font-size: 14px;
}
.section-heading h4 { font-size: 17px; font-weight: 700; letter-spacing: -0.3px; }
.lesson-section > p { color: var(--text-2); font-size: 15px; line-height: 1.7; }

.important-note {
  background: var(--accent); color: var(--accent-ink); border-radius: var(--r-md); padding: 14px 18px;
  font-weight: 700; font-size: 14.5px; margin-bottom: 14px; box-shadow: 0 6px 18px var(--accent-soft);
}

.post-media { margin-top: 16px; display: grid; gap: 14px; }
.post-media video { width: 100%; border-radius: var(--r-md); background: #000; border: 1px solid var(--line-2); aspect-ratio: 16/9; object-fit: cover; }
.lesson-video-item { display: grid; gap: 10px; }
.lesson-video-item + .lesson-video-item { margin-top: 18px; padding-top: 22px; border-top: 1px solid var(--line); }
.lesson-video-title { color: var(--text); font-size: 16px; font-weight: 750; line-height: 1.4; }
.lesson-video-description { margin: 0; color: var(--text-2); font-size: 14.5px; line-height: 1.6; }
.lesson-video-notice {
  padding: 13px 16px; border-left: 4px solid var(--accent); border-radius: var(--r-sm);
  background: var(--accent-soft); color: var(--text); font-size: 14px; font-weight: 650; line-height: 1.55;
}
.empty, .empty.compact {
  color: var(--muted); font-size: 13.5px; text-align: center; padding: 22px;
  border: 1px dashed var(--line-2); border-radius: var(--r-md); background: var(--surface);
}

.prompt-wrap { position: relative; }
.prompt-box {
  background: var(--bg-2); border: 1px solid var(--line-2); color: var(--text-2); border-radius: var(--r-md);
  padding: 46px 20px 18px; font-size: 13.5px; line-height: 1.7; white-space: pre-wrap;
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  max-height: 380px; overflow: auto; margin: 0;
}
.prompt-wrap .copy-btn {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--line-2); color: var(--text-2);
  border-radius: 100px; padding: 7px 15px; font-size: 12.5px; font-weight: 600;
  transition: all 0.18s var(--ease); box-shadow: var(--shadow-sm);
}
.prompt-wrap .copy-btn::before {
  content: ""; width: 13px; height: 13px; flex: none;
  background: currentColor; -webkit-mask: var(--icon-copy) center/contain no-repeat; mask: var(--icon-copy) center/contain no-repeat;
}
.prompt-wrap .copy-btn:hover { border-color: var(--accent-line); color: var(--accent); }
.prompt-wrap .copy-btn.copied { color: var(--ok); border-color: var(--ok); }

.lesson-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.lesson-link { display: inline-block; width: auto; margin: 0; padding: 13px 26px; }
.notice { background: var(--danger-soft); border: 1px solid var(--danger); color: var(--danger); border-radius: var(--r-md); padding: 14px 18px; font-size: 14px; }

.lesson-section ul, .lesson-section ol { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.lesson-section li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-2); font-size: 14.5px; line-height: 1.6; }
.lesson-section li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; flex: none; margin-top: 8px; background: var(--accent); }

.preparation-resources {
  display: flex; flex-direction: column; gap: 24px; margin-top: 26px;
}
.preparation-resource {
  padding-top: 22px; border-top: 1px solid var(--line);
}
.preparation-resource-copy strong {
  display: block; color: var(--text); font-size: 16px; line-height: 1.4; margin-bottom: 7px;
}
.preparation-resource-copy p {
  color: var(--text-2); font-size: 14.5px; line-height: 1.65; margin: 0;
}
.preparation-resource-copy small {
  display: block; color: var(--muted); font-size: 12.5px; line-height: 1.5; margin-top: 8px;
}
.preparation-resource-steps {
  counter-reset: preparation-step; display: grid; gap: 10px;
  margin: 16px 0 0; padding: 0; list-style: none;
}
.preparation-resource-steps li {
  counter-increment: preparation-step; display: grid;
  grid-template-columns: 26px minmax(0, 1fr); gap: 10px; align-items: start;
  color: var(--text-2); font-size: 14px; line-height: 1.55;
}
.preparation-resource-steps li::before {
  content: counter(preparation-step); display: flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; margin: 0; border-radius: 50%;
  background: var(--accent-soft); border: 1px solid var(--accent-line);
  color: var(--accent); font-size: 12px; font-weight: 800;
}
.preparation-resource-gallery {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(230px, 34%); gap: 12px;
  margin-top: 18px; padding: 0 0 8px; overflow-x: auto; overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory; scrollbar-width: thin; scrollbar-color: var(--accent-line) transparent;
}
.preparation-resource-shot {
  scroll-snap-align: start; margin: 0; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r-md);
}
.preparation-resource-shot-preview {
  position: relative; display: block; width: 100%; margin: 0; padding: 0;
  border: 0; border-radius: 0; background: #240011; color: #fff;
  font: inherit; text-align: left; cursor: zoom-in; overflow: hidden;
}
.preparation-resource-shot-preview:focus-visible {
  outline: 3px solid var(--accent); outline-offset: -3px;
}
.preparation-resource-shot img {
  display: block; width: 100%; height: auto; background: #240011; pointer-events: none;
}
.preparation-resource-shot-preview > span {
  position: absolute; right: 10px; bottom: 10px; display: inline-flex; align-items: center;
  min-height: 30px; padding: 6px 11px; border-radius: 999px;
  background: rgba(12, 12, 14, 0.84); color: #fff; font-size: 12px; font-weight: 800;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.24); pointer-events: none;
}
.preparation-resource-shot figcaption {
  display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 8px; align-items: start;
  padding: 10px 11px 12px; color: var(--text-2); font-size: 12.5px; line-height: 1.45;
}
.preparation-resource-shot figcaption span {
  display: flex; align-items: center; justify-content: center; width: 24px; height: 24px;
  border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 11px; font-weight: 800;
}
body.preparation-image-open { overflow: hidden; }
.preparation-image-modal {
  position: fixed; inset: 0; z-index: 10000; display: grid; place-items: center;
  padding: 20px; overflow: auto; background: rgba(7, 7, 9, 0.9); backdrop-filter: blur(8px);
}
.preparation-image-dialog {
  position: relative; display: flex; flex-direction: column; max-width: min(94vw, 1100px);
  max-height: 94vh; overflow: hidden; background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--r-lg); box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5);
}
.preparation-image-dialog img {
  display: block; max-width: 100%; max-height: calc(94vh - 76px); width: auto; height: auto;
  object-fit: contain; background: #120008; touch-action: pinch-zoom;
}
.preparation-image-dialog p {
  margin: 0; padding: 13px 54px 14px 16px; color: var(--text-2); font-size: 13px; line-height: 1.45;
}
.preparation-image-close {
  position: absolute; top: 10px; right: 10px; z-index: 1; display: flex; align-items: center;
  justify-content: center; width: 40px; height: 40px; padding: 0; border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%; background: rgba(12, 12, 14, 0.86); color: #fff; font: 700 28px/1 Arial, sans-serif;
  cursor: pointer; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.28);
}
.preparation-image-close:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.preparation-resource-video {
  width: 100%; aspect-ratio: 1710 / 1108; object-fit: contain; margin-top: 16px;
  background: #000; border: 1px solid var(--line-2); border-radius: var(--r-md);
}
.preparation-resource-link {
  display: flex; align-items: center; justify-content: center; width: 100%; min-height: 50px;
  margin: 15px 0 0; padding: 13px 24px;
}
.lesson-passport > .actions .primary {
  min-height: 50px; margin-top: 0;
}

.lesson-section textarea, .lesson-view textarea {
  width: 100%; background: var(--surface); border: 1px solid var(--line-2); color: var(--text);
  border-radius: var(--r-md); padding: 14px 16px; font-size: 14.5px; font-family: inherit; outline: none;
  min-height: 110px; resize: vertical; transition: border-color 0.2s var(--ease);
}
.lesson-section textarea:focus { border-color: var(--accent-line); }

.lesson-locked { text-align: center; padding: 60px 30px; color: var(--muted); }
.lesson-locked h3 { font-size: 20px; color: var(--text); margin-bottom: 8px; }

/* ---- слайд-карусель (презентация в уроке): один слайд + стрелки/точки ---- */
.slide-deck-card {
  margin-top: 16px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 20px 22px; overflow: hidden;
}
.slide-deck-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.slide-deck-header strong { display: block; font-size: 15px; font-weight: 700; letter-spacing: -0.2px; }
.slide-deck-header span { display: block; font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.slide-swipe-cue { flex: none; font-size: 12px; font-weight: 700; color: var(--accent); white-space: nowrap; padding-top: 2px; }
.slide-frame { position: relative; border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--line-2); background: var(--bg-2); }
.slide-image { display: none; width: 100%; height: auto; }
.slide-image.active { display: block; }
.slide-controls { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 14px; }
.slide-nav {
  width: 38px; height: 38px; border-radius: 50%; flex: none;
  background: var(--surface-2); border: 1px solid var(--line-2); color: var(--text);
  font-size: 16px; display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}
.slide-nav:hover { border-color: var(--accent-line); color: var(--accent); background: var(--accent-soft); }
.slide-counter { font-size: 13px; font-weight: 700; color: var(--text-2); min-width: 52px; text-align: center; }
.slide-dots { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 12px; }
.slide-dot {
  width: 8px; height: 8px; border-radius: 50%; border: none; padding: 0;
  background: var(--line-2); transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}
.slide-dot:hover { background: var(--muted); }
.slide-dot.active { background: var(--accent); transform: scale(1.25); }

/* Понятная памятка по экспорту Telegram */
.telegram-export-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 18px 0;
}
.telegram-export-grid > section {
  padding: 18px; border: 1px solid var(--line-2); border-radius: var(--r-md); background: var(--surface-2);
}
.telegram-export-grid > section > strong { display: block; margin: 5px 0 10px; font-size: 18px; }
.telegram-export-grid ol { margin: 0; padding-left: 22px; }
.telegram-menu-demo {
  display: grid; gap: 7px; margin-top: 14px; padding: 11px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--bg-2); font-size: 13px;
}
.telegram-menu-demo span { color: var(--muted); }
.telegram-menu-demo b { color: var(--accent); }
.codex-source-note { padding: 12px 14px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 10px 10px 0; }

/* ============ ПРЕМИУМ-ОБЛОЖКИ БЛОКОВ (Magnific) — тонкая шапка плашки ============ */
.lesson-card { position: relative; z-index: 0; }
.lesson-card::before {
  content: ""; position: absolute; top: -38px; left: -40px; right: -40px; height: 190px; z-index: -1;
  pointer-events: none; background-size: cover; background-position: center;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,0.5) 58%, transparent 100%);
          mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,0.5) 58%, transparent 100%);
  opacity: 0.28;
}
.lesson-card.block-foundation::before { background-image: url(/ui/card-foundation.jpg?v=1); }
.lesson-card.block-content::before    { background-image: url(/ui/card-content.jpg?v=1); }
.lesson-card.block-bot::before        { background-image: url(/ui/card-bot.jpg?v=1); }
.lesson-card.block-bonus::before      { background-image: url(/ui/card-bonus.jpg?v=1); }
html[data-theme="light"] .lesson-card::before { opacity: 0.13; }

/* ==================== АДАПТИВ ==================== */
@media (max-width: 1080px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .sidebar .brand { flex: 1 1 auto; }
  .student-panel { flex: 1 1 100%; }
  .layout { grid-template-columns: 1fr; }
  .lesson-list { position: static; max-height: none; flex-direction: row; overflow-x: auto; padding-bottom: 8px; }
  .lesson-item { min-width: 260px; }
  .materials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .coworking-catalog-grid { grid-template-columns: 1fr; }
  .codex-block-grid { grid-template-columns: 1fr; }
  .timecodes-list { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .shell { padding: 18px 16px 60px; gap: 22px; }
  .lesson-view { padding: 24px 20px; }
  .lesson-section { padding: 20px 18px; }
  .topbar h2 { font-size: 28px; }
  .sidebar { flex-direction: column; align-items: stretch; }
  .lesson-card::before { top: -24px; left: -20px; right: -20px; height: 150px; }
  .club-catalog { padding: 26px 20px; }
  .codex-course-hero { padding: 26px 20px; }
  .codex-block-card { min-height: 205px; padding: 22px; }
  .codex-module-lesson-card { grid-template-columns: 40px 1fr; }
  .codex-module-lesson-card .codex-block-open { display: none; }
  .codex-flat-lesson-card { grid-template-columns: 44px 1fr; padding: 17px 15px; }
  .codex-flat-number { width: 40px; height: 40px; }
  .codex-flat-open { display: none; }
  .codex-lesson-pagination { align-items: stretch; flex-direction: column; }
  .codex-lesson-pagination button { width: 100%; }
  .codex-start-card { grid-template-columns: 1fr; }
  .codex-start-card > strong { grid-column: auto; }
  .telegram-export-grid { grid-template-columns: 1fr; }
  .materials-grid { grid-template-columns: 1fr; }
  .material-card { min-height: 270px; }
  .coworking-card { min-height: 240px; padding: 20px 16px; }
  .coworking-meeting { padding: 20px 16px; }
  .reels-guide-article { padding: 22px 16px; }
  .reels-guide-nav { padding: 16px; }
  .reels-guide-nav > div {
    display: flex; flex-wrap: nowrap; overflow-x: auto; overscroll-behavior-inline: contain;
    padding-bottom: 5px; scroll-snap-type: inline proximity;
  }
  .reels-guide-nav a { flex: 0 0 auto; width: auto; max-width: 250px; scroll-snap-align: start; }
  .reels-guide-footer { flex-direction: column; }
  .reels-guide-footer .ghost { width: 100%; }
  .timecode-row { grid-template-columns: 64px 1fr; padding-left: 4px; padding-right: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}