/* Левое меню (сайдбар) — эксперимент. Включается INTEGRA_SIDEBAR_NAV. Цвета — от токенов бренда. */
:root { --sb-w: 264px; --sb-bg: #191919; --sb-line: rgba(255,255,255,.07); --sb-muted: rgba(255,255,255,.55); }

body.has-sidebar-nav .site-layout__main,
body.has-sidebar-nav > footer { margin-left: var(--sb-w); }

.sidebar-nav { position: fixed; z-index: 1040; top: 0; left: 0; bottom: 0; width: var(--sb-w); display: flex; flex-direction: column;
  background: var(--sb-bg); border-right: 1px solid var(--sb-line); color: #e9e9e9; font-family: "Ubuntu", system-ui, sans-serif; }
.sidebar-nav__brand { display: flex; align-items: center; gap: .75rem; padding: 1rem 1.1rem; border-bottom: 1px solid var(--sb-line); text-decoration: none; color: #fff; }
.sidebar-nav__brand img { height: 40px; width: auto; max-width: 56px; object-fit: contain; flex-shrink: 0; }
.sidebar-nav__brand { overflow: hidden; }
.sidebar-nav__brand b { display: block; font-size: .95rem; line-height: 1.1; }
.sidebar-nav__brand small { color: var(--sb-muted); font-size: .72rem; }
.sidebar-nav__scroll { flex: 1 1 auto; overflow-y: auto; padding: .75rem .65rem; }
.sidebar-nav__scroll::-webkit-scrollbar { width: 6px; }
.sidebar-nav__scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 3px; }
.sidebar-nav__title { padding: .6rem .8rem .3rem; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--sb-muted); }

.sb-item, .sb-toggle { display: flex; align-items: center; width: 100%; gap: .8rem; padding: .62rem .8rem; margin-bottom: 2px; border: 0; border-radius: 10px;
  background: transparent; color: #d5d5d5; font-size: .9rem; text-align: left; text-decoration: none; cursor: pointer; }
.sb-item:hover, .sb-toggle:hover { background: rgba(255,255,255,.06); color: #fff; text-decoration: none; }
.sb-item i.sb-ico, .sb-toggle i.sb-ico { width: 1.25rem; text-align: center; font-size: 1rem; color: var(--sb-muted); }
.sb-item.active, .sb-toggle.active { background: rgba(255,146,28,.14); color: var(--integra-brand-accent, #ff921c); }
.sb-item.active i.sb-ico, .sb-toggle.active i.sb-ico { color: var(--integra-brand-accent, #ff921c); }
.sb-toggle .sb-caret { margin-left: auto; font-size: .7rem; transition: transform .15s; }
.sb-toggle[aria-expanded="true"] .sb-caret { transform: rotate(180deg); }
.sb-badge { margin-left: auto; min-width: 1.4rem; padding: .05rem .4rem; border-radius: 999px; background: #dc3545; color: #fff; font-size: .7rem; font-weight: 700; text-align: center; }
.sb-toggle .sb-badge { margin-left: auto; margin-right: .4rem; }
.sb-sub { padding: 0 0 .35rem 2.05rem; }
.sb-sub .sb-item { padding: .42rem .7rem; font-size: .84rem; border-radius: 8px; }
.sb-sep { height: 1px; margin: .5rem .4rem; background: var(--sb-line); }

.sidebar-nav__user { padding: .8rem 1rem; border-top: 1px solid var(--sb-line); display: flex; align-items: center; gap: .7rem; }
.sidebar-nav__user img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.sidebar-nav__user a.who { color: #fff; text-decoration: none; min-width: 0; flex: 1; }
.sidebar-nav__user .who b { display: block; font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-nav__user .who span { font-size: .78rem; color: var(--integra-brand-accent, #ff921c); }
.sidebar-nav__user button { background: none; border: 0; color: var(--sb-muted); font-size: 1.15rem; cursor: pointer; }
.sidebar-nav__user button:hover { color: #fff; }

.sidebar-toggle { display: none; }
.sidebar-backdrop { display: none; }
.sidebar-maint { display: block; margin: 0 0 .5rem; padding: .35rem .8rem; font-size: .72rem; background: rgba(255,146,28,.18); color: #ffb15c; border-radius: 8px; text-decoration: none; }

@media (max-width: 991.98px) {
  body.has-sidebar-nav .site-layout__main, body.has-sidebar-nav > footer { margin-left: 0; }
  .sidebar-nav { transform: translateX(-100%); transition: transform .2s; }
  body.sidebar-open .sidebar-nav { transform: none; }
  body.sidebar-open .sidebar-backdrop { display: block; position: fixed; inset: 0; z-index: 1030; background: rgba(0,0,0,.55); }
  .sidebar-toggle { display: flex; align-items: center; justify-content: center; position: fixed; z-index: 1035; top: .6rem; left: .6rem; width: 42px; height: 42px;
    border: 1px solid var(--sb-line); border-radius: 10px; background: var(--sb-bg); color: #fff; font-size: 1.1rem; }
  body.has-sidebar-nav .site-layout__main { padding-top: 3.2rem; }
}

/* Переключатель меню и сворачивание */
.sidebar-collapse-btn { position: absolute; top: 1.15rem; right: -14px; width: 28px; height: 28px; padding: 0; border: 1px solid var(--sb-line); border-radius: 50%;
  background: var(--sb-bg); color: var(--sb-muted); font-size: .8rem; cursor: pointer; z-index: 2; }
.sidebar-collapse-btn:hover { color: #fff; }
.sidebar-collapse-btn i { transition: transform .15s; }
.sb-switch { display: flex; align-items: center; gap: .8rem; margin: 0 .65rem .5rem; padding: .5rem .8rem; border-radius: 10px; color: var(--sb-muted); font-size: .8rem; text-decoration: none; }
.sb-switch:hover { background: rgba(255,255,255,.06); color: #fff; text-decoration: none; }
.sb-switch i { width: 1.25rem; text-align: center; }

.sidebar-nav { transition: width .15s; }
body.has-sidebar-nav .site-layout__main, body.has-sidebar-nav > footer { transition: margin-left .15s; }
@media (min-width: 992px) {
  body.sidebar-collapsed { --sb-w: 68px; }
  body.sidebar-collapsed .sidebar-collapse-btn i { transform: rotate(180deg); }
  body.sidebar-collapsed .sb-brand-text,
  body.sidebar-collapsed .sidebar-nav__title,
  body.sidebar-collapsed .sb-caret,
  body.sidebar-collapsed .sb-sub,
  body.sidebar-collapsed .sb-switch span,
  body.sidebar-collapsed .sidebar-nav__user .who,
  body.sidebar-collapsed .sidebar-nav__user form,
  body.sidebar-collapsed .sidebar-maint { display: none !important; }
  body.sidebar-collapsed .sidebar-nav__brand { justify-content: center; padding: .7rem .4rem .5rem; border-bottom: 0; }
  body.sidebar-collapsed .sidebar-nav__brand img { max-width: 40px; height: auto; max-height: 36px; }
  body.sidebar-collapsed .sidebar-collapse-btn { position: static; display: block; width: calc(100% - 1.3rem); height: 26px; margin: 0 .65rem .5rem; border: 0; border-radius: 8px; background: rgba(255,255,255,.06); line-height: 26px; }
  body.sidebar-collapsed .sidebar-collapse-btn:hover { background: rgba(255,255,255,.12); }
  body.sidebar-collapsed .sb-item, body.sidebar-collapsed .sb-toggle { justify-content: center; padding: .7rem 0; font-size: 0; gap: 0; position: relative; }
  body.sidebar-collapsed .sb-item i.sb-ico, body.sidebar-collapsed .sb-toggle i.sb-ico { font-size: 1.1rem; }
  body.sidebar-collapsed .sb-badge { position: absolute; top: 2px; right: 6px; margin: 0; min-width: 1.1rem; padding: 0 .25rem; font-size: .62rem; }
  body.sidebar-collapsed .sb-sep { margin: .5rem .8rem; }
  body.sidebar-collapsed .sb-switch { justify-content: center; margin: 0 .5rem .5rem; padding: .5rem 0; }
  body.sidebar-collapsed .sidebar-nav__user { justify-content: center; padding: .7rem 0; }
}
@media (max-width: 991.98px) { .sidebar-collapse-btn { display: none; } }

/* v4: кнопка сворачивания — строка внизу панели; лого в свёрнутом виде не деформируется */
.sidebar-collapse-btn { display: none !important; }
button.sb-switch { width: calc(100% - 1.3rem); border: 0; background: transparent; text-align: left; cursor: pointer; }
@media (min-width: 992px) {
  body.sidebar-collapsed .sb-collapse i { transform: rotate(180deg); }
  body.sidebar-collapsed .sidebar-nav__brand img { width: 40px; height: 40px; max-width: none; max-height: none; object-fit: contain; }
}
@media (max-width: 991.98px) { .sb-collapse { display: none; } }

/* v5: лого в свёрнутом виде крупнее (панель 68px) */
@media (min-width: 992px) {
  body.sidebar-collapsed .sidebar-nav__brand { padding: .7rem .2rem .5rem; }
  body.sidebar-collapsed .sidebar-nav__brand img { width: 58px; height: 52px; }
}

/* v6: наведение на свёрнутую панель — временно разворачивает её поверх контента (только десктоп) */
@media (min-width: 992px) {
  body.sidebar-collapsed .sidebar-nav { transition: width .15s ease; }
  body.sidebar-collapsed .sidebar-nav:hover {
    width: 264px;
    box-shadow: 8px 0 24px rgba(0, 0, 0, .35);
  }
  body.sidebar-collapsed .sidebar-nav:hover .sb-brand-text { display: inline !important; }
  body.sidebar-collapsed .sidebar-nav:hover .sidebar-nav__title { display: block !important; }
  body.sidebar-collapsed .sidebar-nav:hover .sb-caret,
  body.sidebar-collapsed .sidebar-nav:hover .sb-switch span { display: inline !important; }
  body.sidebar-collapsed .sidebar-nav:hover .sb-sub.show { display: block !important; }
  body.sidebar-collapsed .sidebar-nav:hover .sidebar-maint { display: block !important; }
  body.sidebar-collapsed .sidebar-nav:hover .sidebar-nav__user .who { display: inline !important; }
  body.sidebar-collapsed .sidebar-nav:hover .sidebar-nav__user form { display: block !important; }

  body.sidebar-collapsed .sidebar-nav:hover .sidebar-nav__brand {
    justify-content: flex-start; padding: 1rem 1.1rem;
  }
  body.sidebar-collapsed .sidebar-nav:hover .sidebar-nav__brand img {
    width: auto; height: 40px; max-width: 56px; max-height: none;
  }
  body.sidebar-collapsed .sidebar-nav:hover .sb-item,
  body.sidebar-collapsed .sidebar-nav:hover .sb-toggle {
    justify-content: flex-start; padding: .62rem .8rem; font-size: .9rem; gap: .8rem;
  }
  body.sidebar-collapsed .sidebar-nav:hover .sb-item i.sb-ico,
  body.sidebar-collapsed .sidebar-nav:hover .sb-toggle i.sb-ico { font-size: 1rem; }
  body.sidebar-collapsed .sidebar-nav:hover .sb-badge {
    position: static; margin-left: auto; margin-right: 0; min-width: 1.4rem; padding: .05rem .4rem; font-size: .7rem;
  }
  body.sidebar-collapsed .sidebar-nav:hover .sb-toggle .sb-badge { margin-right: .4rem; }
  body.sidebar-collapsed .sidebar-nav:hover .sb-sep { margin: .5rem .4rem; }
  body.sidebar-collapsed .sidebar-nav:hover .sb-switch {
    justify-content: flex-start; margin: 0 .65rem .5rem; padding: .5rem .8rem;
  }
  body.sidebar-collapsed .sidebar-nav:hover .sidebar-nav__user {
    justify-content: flex-start; padding: .8rem 1rem;
  }
}

/* v9: группы открываются/закрываются мгновенно (без анимации высоты Bootstrap .collapsing ~0,35 с) */
.sidebar-nav .sb-sub.collapsing { transition: none; }