/**
 * Онлайн-тренажёры и курсы — две колонки, единый строгий премиальный стиль
 */

.courses-trainers-hub {
  --hub-gold: #d4af5f;
  --hub-gold-muted: rgba(212, 175, 95, 0.38);
  --hub-gold-line: rgba(212, 175, 95, 0.22);
  --hub-gold-soft: rgba(212, 175, 95, 0.08);
  --hub-panel-radius: 14px;
  --hub-panel-bg: linear-gradient(
    180deg,
    rgba(28, 32, 38, 0.94) 0%,
    rgba(18, 21, 26, 0.97) 100%
  );
  --hub-panel-border: 1px solid var(--hub-gold-line);
  --hub-panel-inset: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  --hub-panel-shadow: 0 10px 36px rgba(0, 0, 0, 0.22);
  --hub-card-bg: rgba(0, 0, 0, 0.22);
  --hub-card-border: rgba(255, 255, 255, 0.08);
  --hub-card-radius: 10px;
  --hub-text-muted: rgba(238, 241, 244, 0.58);
}

body.courses-trainers-hub-body {
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.courses-trainers-hub {
  flex: 1 1 auto;
  min-height: 0;
  width: min(112rem, 100%);
  margin: 0 auto;
  padding: 0.45rem clamp(0.65rem, 1.4vw, 1.25rem) 0.55rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  color: var(--white, #eef1f4);
}

.courses-trainers-hub .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.courses-trainers-hub__columns {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.65rem;
  align-items: stretch;
}

/* —— внешняя рамка колонок (одинаковая) —— */
.courses-trainers-hub__col {
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-radius: var(--hub-panel-radius);
  border: var(--hub-panel-border);
  background: var(--hub-panel-bg);
  box-shadow: var(--hub-panel-shadow), var(--hub-panel-inset);
}

.courses-trainers-hub__col-head {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.2rem 0.75rem;
  padding: 0.62rem 0.85rem 0.52rem;
  border-bottom: 1px solid var(--hub-gold-line);
  background: linear-gradient(
    180deg,
    rgba(212, 175, 95, 0.07) 0%,
    transparent 100%
  );
}

.courses-trainers-hub__col-title {
  margin: 0;
  font-family: var(--font-heading, "Playfair Display", Georgia, serif);
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.courses-trainers-hub__col-lead {
  margin: 0;
  flex: 1 1 auto;
  min-width: 8rem;
  text-align: right;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--hub-text-muted);
}

.courses-trainers-hub__all-link {
  color: var(--hub-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.courses-trainers-hub__all-link:hover {
  color: #e8c878;
  border-bottom-color: var(--hub-gold-muted);
  text-decoration: none;
}

.courses-trainers-hub__col-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 0.6rem 0.7rem 0.7rem;
  scrollbar-width: thin;
  scrollbar-color: var(--hub-gold-muted) transparent;
}

/* —— курсы внутри колонки —— */
.courses-trainers-hub__col-body--courses .courses-catalog__board {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.courses-trainers-hub__col-body--courses .courses-catalog__section {
  padding: 0.55rem 0 0.65rem;
  margin: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.courses-trainers-hub__col-body--courses .courses-catalog__section + .courses-catalog__section {
  border-top: 1px solid var(--hub-gold-line);
  padding-top: 0.65rem;
}

.courses-trainers-hub__col-body--courses .courses-catalog__section-head h2 {
  margin: 0 0 0.4rem;
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font-body, system-ui, sans-serif);
  color: var(--hub-gold);
}

.courses-trainers-hub__col-body--courses .courses-catalog__grid {
  gap: 0.38rem;
}

.courses-trainers-hub__col-body--courses .courses-catalog__section:first-child .courses-catalog__grid {
  grid-template-columns: 1fr;
}

.courses-trainers-hub__col-body--courses .courses-catalog__card {
  padding: 0.58rem 0.68rem;
  border-radius: var(--hub-card-radius);
  border: 1px solid var(--hub-card-border);
  background: var(--hub-card-bg);
  transition:
    border-color 0.2s ease,
    background 0.2s ease;
}

.courses-trainers-hub__col-body--courses .courses-catalog__card:hover {
  border-color: var(--hub-gold-muted);
  background: var(--hub-gold-soft);
}

.courses-trainers-hub__col-body--courses .courses-catalog__card-title {
  font-size: 1.04rem;
  font-weight: 600;
  line-height: 1.25;
}

.courses-trainers-hub__col-body--courses .courses-catalog__card-text {
  font-size: 0.88rem;
  color: var(--hub-text-muted);
}

/* —— тренажёры: убираем «вторую» панель trenazhery.css —— */
.courses-trainers-hub__col-body--trainers .trainer-apps {
  margin: 0;
  height: auto;
  flex: none;
  display: block;
}

.courses-trainers-hub__col-body--trainers .trainer-apps__panel {
  padding: 0;
  min-height: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  display: block;
  height: auto;
  flex: none;
}

.courses-trainers-hub__col-body--trainers .trainer-apps__panel::before {
  display: none;
}

.courses-trainers-hub__col-body--trainers .trainer-apps__grid,
.courses-trainers-hub__col-body--trainers .trainer-apps__grid--hub-page {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: auto;
  align-content: start;
  flex: none;
  min-height: auto;
  gap: 0.38rem;
}

.courses-trainers-hub__col-body--trainers .trainer-apps__grid > li {
  min-height: auto;
  height: auto;
}

/* Первая страница: 8 карточек на всю высоту панели */
.courses-trainers-hub__col-body--trainers-fill {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 0.45rem 0.6rem 0.5rem;
}

.courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill .trainer-apps__panel {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill .trainer-apps__grid--hub-page {
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  grid-template-rows: repeat(4, minmax(0, 1fr));
  align-content: stretch;
  gap: 0.48rem;
}

.courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill .trainer-apps__grid > li {
  min-height: 0;
  height: auto;
  display: flex;
}

.courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill .trainer-app-card {
  flex: 1 1 auto;
  width: 100%;
  min-height: 0;
  height: 100%;
  padding: clamp(0.65rem, 1.2vh, 0.95rem) clamp(0.7rem, 1vw, 0.9rem);
  gap: 0.45rem;
  overflow: hidden;
}

.courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill .trainer-app-card__head {
  flex-shrink: 0;
}

.courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill .trainer-app-card__title {
  flex-shrink: 0;
  font-size: clamp(0.96rem, 1.75vh, 1.14rem);
  line-height: 1.22;
}

.courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill .trainer-app-card__desc {
  flex: 1 1 auto;
  min-height: 0;
  margin: 0;
  font-size: clamp(0.8rem, 1.4vh, 0.92rem);
  line-height: 1.32;
  -webkit-line-clamp: 4;
}

.courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill .trainer-app-card__icon {
  width: clamp(2.1rem, 3.8vh, 2.65rem);
  height: clamp(2.1rem, 3.8vh, 2.65rem);
  font-size: clamp(0.96rem, 1.8vh, 1.12rem);
}

.courses-trainers-hub__col-body--trainers .trainer-app-card {
  padding: 0.55rem 0.62rem 0.5rem;
  border-radius: var(--hub-card-radius);
  border: 1px solid var(--hub-card-border);
  background: var(--hub-card-bg);
  box-shadow: none;
  height: auto;
  min-height: 0;
  overflow: visible;
}

.courses-trainers-hub__col-body--trainers a.trainer-app-card--link:hover {
  transform: none;
  border-color: var(--hub-gold-muted);
  background: var(--hub-gold-soft);
  box-shadow: none;
}

.courses-trainers-hub__col-body--trainers .trainer-app-card__title {
  font-size: 0.94rem;
  font-weight: 600;
  color: #eef1f4;
  display: block;
  overflow: visible;
  -webkit-line-clamp: unset;
  -webkit-box-orient: unset;
}

.courses-trainers-hub__col-body--trainers .trainer-app-card__desc {
  font-size: 0.8rem;
  -webkit-line-clamp: 3;
  color: var(--hub-text-muted);
  flex-shrink: 0;
}

.courses-trainers-hub__col-body--trainers .trainer-app-card__icon {
  width: 1.85rem;
  height: 1.85rem;
  font-size: 0.94rem;
  border-radius: 8px;
  box-shadow: none;
}

/* featured — золото, без бирюзы */
.courses-trainers-hub__col-body--trainers .trainer-app-card--featured,
.courses-trainers-hub__col-body--trainers .trainer-app-card.trainer-app-card--featured {
  border-color: var(--hub-gold-muted);
  background:
    linear-gradient(165deg, rgba(212, 175, 95, 0.14) 0%, transparent 55%),
    var(--hub-card-bg);
  box-shadow: var(--hub-panel-inset);
}

.courses-trainers-hub__col-body--trainers .trainer-app-card--featured .trainer-app-card__title,
.courses-trainers-hub__col-body--trainers .trainer-app-card.trainer-app-card--featured .trainer-app-card__title {
  color: #f5ebe0;
  font-weight: 650;
}

.courses-trainers-hub__col-body--trainers .trainer-app-card--featured .trainer-app-card__desc,
.courses-trainers-hub__col-body--trainers .trainer-app-card.trainer-app-card--featured .trainer-app-card__desc {
  color: var(--hub-text-muted);
}

.courses-trainers-hub__col-body--trainers a.trainer-app-card--featured.trainer-app-card--link:hover,
.courses-trainers-hub__col-body--trainers a.trainer-app-card--keyboard:hover,
.courses-trainers-hub__col-body--trainers a.trainer-app-card--radix:hover,
.courses-trainers-hub__col-body--trainers a.trainer-app-card--binary:hover,
.courses-trainers-hub__col-body--trainers a.trainer-app-card--oct:hover,
.courses-trainers-hub__col-body--trainers a.trainer-app-card--hex:hover,
.courses-trainers-hub__col-body--trainers a.trainer-app-card--units:hover,
.courses-trainers-hub__col-body--trainers a.trainer-app-card--coding:hover,
.courses-trainers-hub__col-body--trainers a.trainer-app-card--ip:hover {
  border-color: var(--hub-gold-muted);
  background: var(--hub-gold-soft);
  box-shadow: none;
}

/* —— светлая тема —— */
[data-theme="light"] .courses-trainers-hub {
  --hub-gold: #9a6b2f;
  --hub-gold-muted: rgba(176, 132, 62, 0.42);
  --hub-gold-line: rgba(154, 107, 47, 0.16);
  --hub-gold-soft: rgba(176, 132, 62, 0.08);
  --hub-panel-bg: linear-gradient(180deg, #faf7f2 0%, #f3ede4 100%);
  --hub-panel-shadow: 0 8px 28px rgba(44, 40, 36, 0.06);
  --hub-card-bg: #fff;
  --hub-card-border: rgba(90, 72, 52, 0.1);
  --hub-text-muted: #7a7168;
  color: #2c2824;
}

[data-theme="light"] .courses-trainers-hub__col-body--courses .courses-catalog__section-head h2 {
  color: #9a6b2f;
}

[data-theme="light"] .courses-trainers-hub__col-title {
  color: #2c2824;
}

[data-theme="light"] .courses-trainers-hub__col-lead {
  color: var(--hub-text-muted);
}

[data-theme="light"] .courses-trainers-hub__all-link {
  color: #8a5c24;
}

[data-theme="light"] .courses-trainers-hub__all-link:hover {
  color: #6b4518;
}

[data-theme="light"] .courses-trainers-hub__col-body--courses .courses-catalog__card:hover {
  background: #fffaf3;
  border-color: var(--hub-gold-muted);
}

[data-theme="light"] .courses-trainers-hub__col-body--trainers .trainer-app-card__title {
  color: #2c2824;
}

[data-theme="light"] .courses-trainers-hub__col-body--trainers .trainer-app-card--featured .trainer-app-card__title,
[data-theme="light"] .courses-trainers-hub__col-body--trainers .trainer-app-card.trainer-app-card--featured .trainer-app-card__title {
  color: #2c2824;
}

[data-theme="light"] .courses-trainers-hub__col-body--trainers .trainer-app-card--featured,
[data-theme="light"] .courses-trainers-hub__col-body--trainers .trainer-app-card.trainer-app-card--featured {
  background:
    linear-gradient(165deg, rgba(253, 230, 138, 0.35) 0%, transparent 55%),
    #fff;
  border-color: var(--hub-gold-muted);
}

.hub-trainers-pager {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem 0.65rem;
  padding: 0.45rem 0.75rem 0.55rem;
  border-top: 1px solid var(--hub-gold-line);
  background: linear-gradient(180deg, rgba(212, 175, 95, 0.05) 0%, transparent 100%);
}

.hub-trainers-pager__meta {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--hub-text-muted);
}

.hub-trainers-pager__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
}

.hub-trainers-pager__btn,
.hub-trainers-pager__page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.65rem;
  height: 1.65rem;
  padding: 0 0.35rem;
  border-radius: 8px;
  border: 1px solid var(--hub-card-border);
  background: var(--hub-card-bg);
  font-size: 0.72rem;
  font-weight: 600;
  text-decoration: none;
  color: inherit;
  transition:
    border-color 0.2s ease,
    background 0.2s ease;
}

.hub-trainers-pager__btn:hover,
.hub-trainers-pager__page:hover {
  border-color: var(--hub-gold-muted);
  background: var(--hub-gold-soft);
}

.hub-trainers-pager__btn--disabled {
  opacity: 0.35;
  pointer-events: none;
}

.hub-trainers-pager__page--current {
  border-color: var(--hub-gold-muted);
  background: var(--hub-gold-soft);
  color: var(--hub-gold);
}

[data-theme="light"] .hub-trainers-pager__page--current {
  color: #8a5c24;
}

@media (max-width: 960px) {
  body.courses-trainers-hub-body {
    height: auto;
    max-height: none;
    overflow: auto;
  }

  .courses-trainers-hub {
    min-height: 0;
  }

  .courses-trainers-hub__columns {
    grid-template-columns: 1fr;
  }

  .courses-trainers-hub__col-body {
    overflow: visible;
    max-height: none;
  }

  .courses-trainers-hub__col-body--trainers-fill {
    overflow: visible;
  }

  .courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill .trainer-apps__grid--hub-page {
    grid-template-rows: auto;
    height: auto;
  }

  .courses-trainers-hub__col-body--trainers-fill .trainer-apps--hub-fill .trainer-app-card {
    height: auto;
  }

  .courses-trainers-hub__col-lead {
    text-align: left;
    width: 100%;
  }
}