/* BYTEWEBNEST sidebar compact fix — mobile safe */

:root {
  --sidebar-width: 390px;
}

/* Desktop only */
@media (min-width: 981px) {
  .sidebar__panel {
    overflow-y: auto;
    overflow-x: hidden;
  }

  .sidebar__top {
    padding: 12px 16px;
  }

  .sidebar__inner {
    grid-template-rows: auto minmax(0, 1fr) minmax(120px, 0.72fr);
    gap: 12px;
    padding: 14px 10px 14px 14px;
    overflow: visible;
  }

  .sidebar-block__label {
    margin: 0 0 8px;
    font-size: 11px;
  }

  .sidebar-block__head {
    margin-bottom: 10px;
  }

  .sidebar-block--topics {
    padding-top: 10px;
  }

  .track-nav {
    gap: 8px;
  }

  .track-link {
    min-height: 74px !important;
    padding: 12px 12px 13px !important;
    border-radius: 18px;
  }

  .track-link__title {
    font-size: 13px !important;
    line-height: 1.2;
    margin-bottom: 6px;
  }

  .track-link__text {
    font-size: 11px !important;
    line-height: 1.3;
  }

  .module-nav,
  .topic-nav-wrap,
  .track-nav {
    padding-right: 4px;
  }

  .module-nav {
    gap: 8px;
  }

  .module-link {
    min-height: 78px !important;
    padding: 12px 40px 12px 12px !important;
    border-radius: 18px;
  }

  .module-link__small {
    font-size: 11px;
    margin-bottom: 4px;
  }

  .module-link__title {
    font-size: 13px !important;
    line-height: 1.35;
  }

  .topic-nav {
    gap: 8px;
  }

  .topic-link {
    padding: 11px 12px;
    font-size: 13px;
    line-height: 1.45;
  }

  .sidebar-block__toggle {
    min-height: 36px;
    padding: 6px 12px;
    font-size: 13px;
  }

  .sidebar__close {
    width: 42px;
    height: 42px;
  }

  .content-area {
    margin-left: var(--sidebar-width);
    transition: margin-left 320ms cubic-bezier(.2,.9,.2,1);
  }
}

/* Mobile and tablet */
@media (max-width: 980px) {
  .content-area {
    margin-left: 0 !important;
    width: 100%;
  }

  .sidebar {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .sidebar__panel {
    width: min(100%, 420px);
    max-width: min(100vw, 420px);
    overflow-y: auto;
    overflow-x: hidden;
  }

  .sidebar__inner {
    grid-template-rows: minmax(150px, auto) minmax(200px, 1fr) minmax(180px, 1fr);
    padding: 16px 14px 16px 16px;
    overflow: visible;
  }

  .track-nav,
  .module-nav,
  .topic-nav-wrap {
    min-height: 0;
    max-height: 100%;
  }
}

/* New header styles */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid rgba(137, 160, 199, 0.16);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 10px 24px rgba(0, 0, 0, 0.16);
  flex-shrink: 0;
}

.lang-switcher__link {
  min-width: 52px;
  min-height: 40px;
  padding: 10px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  transition: var(--transition);
}

.lang-switcher__link:hover {
  background: rgba(79, 140, 255, 0.1);
  color: var(--text);
}

.lang-switcher__link--active {
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.22), rgba(80, 200, 255, 0.16));
  border: 1px solid rgba(79, 140, 255, 0.3);
  color: #ffffff;
  box-shadow:
    0 0 0 1px rgba(79, 140, 255, 0.1),
    0 8px 20px rgba(36, 87, 184, 0.22);
}

@media (max-width: 1100px) {
  .header__container {
    gap: 12px;
  }

  .logo__text {
    font-size: 20px;
    letter-spacing: 0.12em;
  }

  .lang-switcher__link {
    min-width: 46px;
    min-height: 38px;
    padding: 9px 12px;
    font-size: 12px;
  }
}

@media (max-width: 860px) {
  .header__nav {
    display: none;
  }

  .header__container {
    min-height: 72px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 10px;
  }

  .logo {
    min-width: 0;
    overflow: hidden;
  }

  .logo__text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .lang-switcher {
    margin-left: 0;
    justify-self: end;
  }

  .header__menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: end;
    min-width: 0;
    flex-shrink: 0;
    white-space: nowrap;
  }
}

@media (max-width: 560px) {
  .header__container {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px;
  }

  .logo {
    gap: 8px;
  }

  .logo__mark {
    width: 14px;
    height: 14px;
  }

  .logo__text {
    font-size: 14px;
    letter-spacing: 0.06em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .lang-switcher {
    padding: 3px;
    gap: 3px;
  }

  .lang-switcher__link {
    min-width: 38px;
    min-height: 34px;
    padding: 6px 8px;
    font-size: 10px;
  }

  .header__menu-btn {
    min-height: 38px;
    padding: 6px 10px;
    border-radius: 10px;
    font-size: 12px;
  }
}
/* ===== FIX SIDEBAR MOBILE FULL SAFE ===== */

@media (max-width: 980px) {
  .sidebar {
    position: fixed;
    inset: 0;
    z-index: 999;
    pointer-events: none;
  }

  /* Hide new sidebar by default on mobile to avoid covering content */
  .bwn-sidebar {
    display: none;
    pointer-events: none;
  }

  /* Показываем pointer-events только если источник открытия — бургер */
  body.is-sidebar-open[data-sidebar-open-source="burger"] .sidebar {
    pointer-events: auto;
  }

  .sidebar__overlay {
    position: absolute;
    inset: 0;
    background: rgba(7, 17, 31, 0.65);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.25s ease;
  }

  body.is-sidebar-open[data-sidebar-open-source="burger"] .sidebar__overlay {
    opacity: 1;
  }

  .sidebar__panel {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: min(90vw, 420px);
    max-width: 420px;

    transform: translateX(100%);
    transition: transform 0.3s ease;

    background: var(--bg);
    z-index: 1000;

    overflow-y: auto;
    overflow-x: hidden;
  }

  body.is-sidebar-open[data-sidebar-open-source="burger"] .sidebar__panel {
    transform: translateX(0);
  }

  /* чтобы ничего не вылазило */
  body.is-sidebar-open[data-sidebar-open-source="burger"] {
    overflow: hidden;
  }
}

/* ===== BURGER ICON ===== */

.burger-icon {
  width: 22px;
  height: 16px;
  position: relative;
  display: inline-block;
}

.burger-icon span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: 0.3s ease;
}

.burger-icon span:nth-child(1) {
  top: 0;
}

.burger-icon span:nth-child(2) {
  top: 7px;
}

.burger-icon span:nth-child(3) {
  bottom: 0;
}

/* АНИМАЦИЯ */

#sidebarOpenBtn.is-active .burger-icon span:nth-child(1) {
  transform: rotate(45deg);
  top: 7px;
}

#sidebarOpenBtn.is-active .burger-icon span:nth-child(2) {
  opacity: 0;
}

#sidebarOpenBtn.is-active .burger-icon span:nth-child(3) {
  transform: rotate(-45deg);
  bottom: 7px;
}

/* УБИРАЕМ ТЕКСТ */

@media (max-width: 860px) {
  .header__menu-btn {
    font-size: 0;
  }
}

/* ===== NEW BWN SIDEBAR STYLES (isolation from old sidebar) ===== */
/* Hide new sidebar by default (desktop). It becomes active only on small screens. */
.bwn-sidebar {
  display: none;
}

@media (max-width: 980px) {
  /* Legacy .sidebar should not capture top z-index on mobile; keep it low to avoid covering header */
  .sidebar {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 900;
    pointer-events: none;
  }

  .bwn-sidebar {
    /* ensure sidebar covers viewport but sits below header (header z-index:1101) */
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    pointer-events: none;
  }

  .bwn-sidebar__overlay {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 17, 31, 0.65);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.25s ease;
    z-index: 1000;
  }

  .bwn-sidebar[data-open="true"] {
    pointer-events: auto;
    display: block;
  }

  .bwn-sidebar[data-open="true"] .bwn-sidebar__overlay {
    opacity: 1;
  }

  /* Ensure overlays are hidden by default to avoid accidental page covering */
  .bwn-sidebar__overlay,
  .sidebar__overlay {
    display: none !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }

  .bwn-sidebar[data-open="true"] .bwn-sidebar__overlay {
    display: block !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  body.is-sidebar-open[data-sidebar-open-source="burger"] .sidebar__overlay {
    display: block !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  .bwn-sidebar__panel {
    position: absolute;
    top: var(--header-height);
    right: 0;
    height: calc(100% - var(--header-height));
    width: min(90vw, 420px);
    max-width: 420px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    background: var(--bg);
    color: var(--text);
    z-index: 1001;
    overflow-y: auto;
    overflow-x: hidden;
  }

  .bwn-sidebar[data-open="true"] .bwn-sidebar__panel {
    transform: translateX(0);
  }

  body.bwn-sidebar-open {
    overflow: hidden;
  }
}

/* Desktop: show bwn-sidebar as the primary left menu (visual parity with legacy .sidebar) */
@media (min-width: 981px) {
  .bwn-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--sidebar-width);
    z-index: 900;
    pointer-events: auto;
    display: block;
  }

  .bwn-sidebar__overlay {
    display: none;
  }

  .bwn-sidebar__panel {
    position: relative;
    transform: none;
    width: 100%;
    height: 100%;
    max-width: none;
    box-shadow: none;
    background: var(--bg);
    color: var(--text);
    overflow-y: auto;
  }

  .content-area {
    margin-left: var(--sidebar-width);
  }
}

/* Collapsed desktop sidebar: hide sidebar visually and expand content */
/* Desktop collapse/expand integration removed — using the default bwn-sidebar behavior */

/* Polished visual styles for desktop bwn-sidebar and controls */
.bwn-sidebar {
  background: linear-gradient(180deg, rgba(12, 24, 36, 0.98), rgba(6, 12, 20, 0.95));
  border-right: 1px solid rgba(255,255,255,0.03);
  backdrop-filter: blur(6px);
}

.bwn-sidebar__panel {
  padding: 18px 14px;
  box-sizing: border-box;
}

.bwn-sidebar__brand-text {
  display: block;
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.06em;
}
.bwn-sidebar__brand-subtext {
  display: block;
  color: rgba(255,255,255,0.75);
  font-size: 12px;
}

.bwn-sidebar__close {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.06);
  color: #fff;
  border-radius: 10px;
  font-size: 20px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.18s ease, background 0.18s ease;
}
.bwn-sidebar__close:hover { transform: scale(1.04); background: rgba(255,255,255,0.03); }

.bwn-sidebar-block__label {
  color: rgba(255,255,255,0.85);
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 8px;
}

.track-link, .module-link, .topic-link {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border-radius: 12px;
  padding: 10px 12px;
  color: rgba(255,255,255,0.94);
  transition: background 0.18s ease, transform 0.12s ease, box-shadow 0.18s ease;
}
.track-link:hover, .module-link:hover, .topic-link:hover {
  background: linear-gradient(90deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(3,8,15,0.5);
}
.track-link.is-active, .module-link.is-active, .topic-link.is-active {
  background: linear-gradient(90deg, rgba(79,140,255,0.12), rgba(80,200,255,0.06));
  color: #fff;
  box-shadow: 0 10px 30px rgba(36,87,184,0.12);
}

/* Collapse/expand toggle button (topics) */
.bwn-sidebar-block__toggle {
  background: linear-gradient(90deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.06);
  color: #fff;
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.14s ease, background 0.14s ease;
}
.bwn-sidebar-block__toggle:hover { transform: translateY(-2px); background: rgba(255,255,255,0.04); }

/* Burger icon — support both old and new toggle ids for active animation */
#sidebarOpenBtn.is-active .burger-icon span:nth-child(1),
#bwn_sidebar_toggle.is-active .burger-icon span:nth-child(1) {
  transform: rotate(45deg);
  top: 7px;
}

#sidebarOpenBtn.is-active .burger-icon span:nth-child(2),
#bwn_sidebar_toggle.is-active .burger-icon span:nth-child(2) {
  opacity: 0;
}

#sidebarOpenBtn.is-active .burger-icon span:nth-child(3),
#bwn_sidebar_toggle.is-active .burger-icon span:nth-child(3) {
  transform: rotate(-45deg);
  bottom: 7px;
}

/* Footer polishing */
.footer__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer__brand { display:flex; align-items:center; gap:10px; }
.footer__logo-text { font-weight:800; color: #fff; }
.footer__info { display:flex; align-items:center; gap:14px; color: rgba(255,255,255,0.72); }

/* Premium CTA — dark tone and subtle animation */
.premium-cta__box {
  background: linear-gradient(180deg, rgba(12,18,28,0.9), rgba(6,10,18,0.85));
  border: 1px solid rgba(255,255,255,0.04);
  box-shadow: 0 12px 40px rgba(3,6,12,0.6);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.premium-cta__box:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(3,6,12,0.7); }
.premium-cta__price { background: linear-gradient(90deg,#4F8CFF,#50C8FF); color:#fff; padding:8px 12px; border-radius:8px; font-weight:800; }
.btn--primary { transition: transform 0.12s ease, box-shadow 0.12s ease; }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 8px 26px rgba(36,87,184,0.14); }

/* Make sure topic-nav visible area keeps consistent spacing */
.topic-nav { padding-bottom: 24px; }


/* Small visual parity: brand and close */
.bwn-sidebar__top {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.bwn-sidebar__brand-text {
  font-weight: 700;
}
.bwn-sidebar__close {
  width: 42px;
  height: 42px;
}