/* ============ Target Platform — Apple minimal light ============ */

:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --hairline: rgba(0, 0, 0, .09);
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --success: #34c759;
  --danger: #ff3b30;
  --radius: 18px;
  --radius-s: 12px;

  /* ---- легаси-алиасы (совместимость со старыми инлайн-стилями, напр. admin.html) ---- */
  --gold: var(--accent);
  --gold-light: var(--accent);
  --gold-dim: var(--text-2);
  --gold-faint: var(--hairline);
  --gold-glow: rgba(0, 113, 227, .08);
  --card: var(--bg-alt);
  --card2: var(--bg-alt);
  --bg2: var(--bg-alt);
  --muted: var(--text-2);
  --muted2: #86868b;
  --ok: var(--success);
  --grad-gold: linear-gradient(180deg, var(--accent), var(--accent));
  --shadow: 0 2px 12px rgba(0, 0, 0, .06);
  --r: var(--radius);
  --serif: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.47;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 { font-weight: 600; line-height: 1.15; letter-spacing: -0.015em; color: var(--text); }
h1 { font-size: clamp(32px, 5vw, 48px); }
h2 { font-size: clamp(24px, 3.5vw, 28px); }
h3 { font-size: 19px; letter-spacing: -0.01em; }
.serif { font-weight: 600; letter-spacing: -0.015em; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

.wrap { max-width: 980px; margin: 0 auto; padding: 0 22px; }
.wrap.wide { max-width: 1200px; }

/* ============ шапка ============ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .8);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--hairline);
}
.topbar-in { display: flex; align-items: center; gap: 18px; height: 52px; }
.brand { font-size: 17px; font-weight: 600; color: var(--text); letter-spacing: -0.01em; white-space: nowrap; }
.brand em { font-style: normal; color: inherit; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a {
  color: var(--text-2); font-size: 14px; font-weight: 400;
  padding: 4px 0; transition: color .2s;
  white-space: nowrap;
}
.nav a:hover { color: var(--text); }
.nav a.active { color: var(--text); font-weight: 600; }

/* ============ типовые блоки ============ */
.page { padding-top: 48px; padding-bottom: 96px; }
.page-title { margin-bottom: 8px; }
.page-sub { color: var(--text-2); margin-bottom: 36px; font-size: 17px; }
.rule { display: flex; align-items: center; gap: 14px; margin: 56px 0 22px; padding-top: 32px; border-top: 1px solid var(--hairline); }
.rule h2 { font-size: 24px; }
.rule::after { content: none; }

.card {
  background: var(--bg-alt);
  border: none;
  border-radius: var(--radius);
  padding: 24px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent); color: #fff;
  font-weight: 400; font-size: 17px; letter-spacing: -0.01em;
  border: none; border-radius: 980px; padding: 12px 24px;
  cursor: pointer; transition: background .2s, opacity .2s;
  box-shadow: none;
  text-align: center;
}
.btn:hover { background: var(--accent-hover); }
.btn:active { opacity: .85; }
.btn:disabled { opacity: .45; cursor: default; }
.btn.ghost {
  background: rgba(0, 113, 227, .08); color: var(--accent);
  border: none; box-shadow: none;
}
.btn.ghost:hover { background: rgba(0, 113, 227, .13); }
.btn.sm { padding: 8px 18px; font-size: 15px; }
.btn.danger { background: rgba(255, 59, 48, .09); border: none; color: var(--danger); box-shadow: none; }
.btn.danger:hover { background: rgba(255, 59, 48, .14); }

/* вторичное действие — текстовая ссылка */
.link-arrow { color: var(--accent); font-size: 17px; }
.link-arrow::after { content: ' ›'; }

/* ============ формы ============ */
label.f { display: block; margin-bottom: 16px; }
label.f span { display: block; font-size: 14px; font-weight: 500; letter-spacing: normal; text-transform: none; color: var(--text-2); margin-bottom: 7px; }
.input, textarea.input, select.input {
  width: 100%; background: var(--bg-alt); color: var(--text);
  border: 1px solid transparent; border-radius: var(--radius-s);
  padding: 14px 16px; font-size: 17px; font-family: inherit;
  outline: none; transition: border-color .2s, box-shadow .2s, background .2s;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(0, 113, 227, .15); background: var(--bg); }
.input::placeholder { color: #a1a1a6; }
textarea.input { resize: vertical; min-height: 90px; }

.err { color: var(--danger); font-size: 14px; margin-top: 10px; min-height: 20px; }
.hint { color: var(--text-2); font-size: 14px; margin-top: 8px; }
.hint a { color: var(--accent); }

/* ============ прогресс ============ */
.pbar { height: 4px; border-radius: 2px; background: var(--hairline); overflow: hidden; }
.pbar i { display: block; height: 100%; background: var(--accent); border-radius: 2px; transition: width .5s ease; }

/* ============ карточка курса ============ */
.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 24px; }
.course-card {
  display: block; color: var(--text); overflow: hidden;
  background: var(--bg-alt);
  border: none; border-radius: var(--radius);
  transition: transform .25s ease, box-shadow .25s ease;
}
.course-card:hover { transform: translateY(-3px); box-shadow: 0 2px 12px rgba(0, 0, 0, .06); }
.course-cover { aspect-ratio: 16/9; background: linear-gradient(135deg, #f5f5f7, #e8e8ed) center/cover no-repeat; position: relative; }
.course-cover.empty::before {
  content: 'Курсы по таргету'; position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 600; letter-spacing: -0.01em; color: var(--text-2);
}
.course-body { padding: 20px 22px 22px; }
.course-body h3 { font-size: 20px; margin-bottom: 4px; }
.course-body .sub { color: var(--text-2); font-size: 14px; margin-bottom: 16px; }
.course-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 10px; color: var(--text-2); font-size: 13px; }

/* ============ модули / уроки ============ */
.module { margin-bottom: 14px; overflow: hidden; padding: 0; }
.module-head {
  display: flex; align-items: center; gap: 16px; cursor: pointer;
  padding: 20px 24px; user-select: none;
}
.module-num { font-size: 15px; font-weight: 600; color: var(--text-2); line-height: 1; min-width: 30px; -webkit-text-stroke: 0; }
.module-head h3 { font-size: 17px; flex: 1; }
.module-head .chev { color: var(--text-2); transition: transform .25s; font-size: 11px; }
.module.open .chev { transform: rotate(180deg); }
.module-lessons { display: none; border-top: 1px solid var(--hairline); }
.module.open .module-lessons { display: block; }
.lesson-row {
  display: flex; align-items: center; gap: 14px; padding: 14px 24px;
  color: var(--text); border-bottom: 1px solid var(--hairline);
  transition: background .15s;
}
.lesson-row:last-child { border-bottom: none; }
.lesson-row:hover { background: rgba(0, 0, 0, .03); }
.lesson-row .t { flex: 1; font-size: 15px; }
.lesson-row .d { color: var(--text-2); font-size: 13px; white-space: nowrap; }
.check {
  width: 22px; height: 22px; min-width: 22px; border-radius: 50%;
  border: 1.5px solid rgba(0, 0, 0, .18); background: transparent;
  display: inline-flex; align-items: center; justify-content: center; font-size: 12px; color: #fff;
}
.check.on { background: var(--success); border-color: var(--success); }
.check.on::before { content: '✓'; font-weight: 700; }

/* ============ видео ============ */
.player { border-radius: var(--radius); overflow: hidden; background: #000; border: none; box-shadow: 0 2px 12px rgba(0, 0, 0, .06); }
.player video { width: 100%; display: block; max-height: 72vh; background: #000; }

/* ============ расписание ============ */
.event {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 20px 24px; margin-bottom: 14px;
}
.event.past { opacity: .5; }
.event-date { text-align: center; min-width: 56px; }
.event-date .day { font-size: 28px; font-weight: 600; letter-spacing: -0.015em; color: var(--text); line-height: 1.1; }
.event-date .mon { font-size: 12px; text-transform: none; letter-spacing: normal; color: var(--text-2); }
.event-info { flex: 1; }
.event-info h3 { font-size: 17px; margin-bottom: 3px; }
.event-info .meta { color: var(--text-2); font-size: 14px; }
.event.next { background: rgba(0, 113, 227, .06); }
.event.next .event-date .day { color: var(--accent); }

/* ============ бейджи статусов ============ */
.badge {
  display: inline-block; font-size: 12px; font-weight: 500; letter-spacing: normal; text-transform: none;
  color: var(--accent); background: rgba(0, 113, 227, .1); border-radius: 980px; padding: 3px 10px;
}
.badge.soft { background: rgba(0, 0, 0, .05); color: var(--text-2); border: none; }
.badge.ok, .badge.published { background: rgba(52, 199, 89, .12); color: #248a3d; }
.badge.draft { background: rgba(0, 0, 0, .05); color: var(--text-2); }

/* ============ вход / визитные страницы ============ */
.gate { min-height: 100dvh; display: flex; align-items: center; justify-content: center; padding: 48px 22px; }
.gate-photo, .gate-photo-mobile { display: none; }
.gate-form { width: 100%; max-width: 400px; margin: 0 auto; padding: 0; display: block; }
.gate-form .logo { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 40px; text-align: center; color: var(--text); }
.gate-form .logo em { font-style: normal; color: inherit; }
.gate-kicker { font-size: 14px; letter-spacing: normal; text-transform: none; color: var(--text-2); margin-bottom: 10px; font-weight: 500; }
.gate-title { font-size: clamp(30px, 6vw, 40px); margin-bottom: 10px; }
.gate-form .gate-title, .gate-form .gate-sub { text-align: center; }
.gate-form .gate-kicker { text-align: center; margin-bottom: 6px; }
.gate-sub { color: var(--text-2); margin-bottom: 34px; }

/* ============ разное ============ */
.creds {
  background: var(--bg-alt); border: none; border-radius: var(--radius-s);
  padding: 18px 20px; margin: 18px 0; font-size: 17px;
}
.creds b { font-family: ui-monospace, 'SF Mono', Menlo, monospace; color: var(--text); font-size: 18px; letter-spacing: .3px; }
.creds .row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 5px 0; flex-wrap: wrap; }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(90px);
  background: rgba(29, 29, 31, .92); color: #fff; border: none;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  padding: 12px 22px; border-radius: 980px; font-size: 14px; z-index: 200;
  transition: transform .3s ease; box-shadow: 0 8px 30px rgba(0, 0, 0, .18); max-width: min(92vw, 480px); text-align: center;
}
.toast.show { transform: translateX(-50%) translateY(0); }

.skeleton { color: var(--text-2); padding: 48px 0; text-align: center; }
.footer { text-align: center; color: var(--text-2); font-size: 12px; padding: 40px 20px 48px; border-top: 1px solid var(--hairline); }
.footer b { color: var(--text-2); font-weight: 600; }

/* ============ мобильные ============ */
@media (max-width: 640px) {
  .page { padding-top: 32px; padding-bottom: 64px; }
  .topbar-in { gap: 12px; height: 52px; }
  .brand { font-size: 15px; }
  .nav { gap: 16px; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; min-width: 0; }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { padding: 6px 0; font-size: 13px; }
  .card { padding: 20px; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 20px; }
  .brand { font-size: 14px; }
  .nav { gap: 12px; }
  .nav a { font-size: 12px; }
  h1, .page-title { font-size: clamp(28px, 8vw, 32px); }
  .gate { padding: 32px 20px; }
  .course-grid { grid-template-columns: 1fr; }
  .event { padding: 18px 20px; gap: 16px; }
  .btn { padding: 12px 20px; }
}

/* ============ drip: закрытые уроки ============ */
.lesson-row.locked { cursor: default; }
.lesson-row.locked:hover { background: transparent; }
.lesson-row.locked .t { color: var(--text-2); }
.lesson-row.locked .t .sub { display: block; font-size: 12.5px; color: var(--text-2); opacity: .8; margin-top: 2px; }
.lesson-row .lock { width: 22px; min-width: 22px; text-align: center; font-size: 14px; opacity: .55; }

/* ============ превью уроков (постеры) ============ */
.lesson-thumb {
  width: 96px; height: 54px; min-width: 96px;
  border-radius: 8px; object-fit: cover; display: block;
  background: linear-gradient(135deg, #f5f5f7, #e8e8ed);
}
/* серый плейсхолдер с замком — для закрытых уроков */
.lesson-thumb.ph {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; opacity: .7;
}
@media (max-width: 640px) {
  .lesson-thumb { width: 72px; height: 40px; min-width: 72px; border-radius: 6px; }
  .lesson-thumb.ph { font-size: 13px; }
}

/* ============ главы видео (тайм-коды) ============ */
.chapters { padding: 16px 20px; }
.chapter { display: flex; gap: 14px; padding: 8px 4px; border-bottom: 1px solid var(--hairline); font-size: 15px; align-items: baseline; }
.chapter:last-child { border-bottom: none; }
.chapter .ts { color: var(--accent); font-variant-numeric: tabular-nums; font-weight: 500; white-space: nowrap; min-width: 52px; }
.chapters.clickable .ts { cursor: pointer; }
.chapters.clickable .chapter:hover .ts { text-decoration: underline; }

/* ============ пилюли статусов домашки ============ */
.badge.warn { background: rgba(255, 149, 0, .14); color: #c04d00; }
.badge.danger { background: rgba(255, 59, 48, .1); color: var(--danger); }

/* ============ сдача задания ============ */
.attach-zone {
  border: 1.5px dashed rgba(0, 0, 0, .18); border-radius: var(--radius-s);
  padding: 14px; text-align: center; color: var(--text-2); font-size: 14px;
  cursor: pointer; transition: background .2s, border-color .2s; margin-bottom: 12px;
}
.attach-zone:hover { background: var(--bg); border-color: var(--accent); }
.hw-chip {
  display: inline-flex; align-items: center; gap: 8px; max-width: 100%;
  background: var(--bg); border: 1px solid var(--hairline); border-radius: 980px;
  padding: 6px 12px; font-size: 13.5px; margin: 0 8px 10px 0;
}
.hw-chip .x { cursor: pointer; color: var(--text-2); font-weight: 600; padding: 0 2px; }
.hw-chip .x:hover { color: var(--danger); }
.hw-file { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--hairline); font-size: 14.5px; }
.hw-file:last-child { border-bottom: none; }
.hw-comment { background: rgba(255, 59, 48, .06); border-radius: var(--radius-s); padding: 14px 16px; margin: 12px 0; font-size: 15px; }

@media (max-width: 480px) {
  .chapters { padding: 14px 16px; }
  .chapter { font-size: 14px; gap: 10px; }
  .chapter .ts { min-width: 44px; }
  .hw-chip { font-size: 12.5px; }
  .hw-comment { font-size: 14px; }
}