/* Меню слева, кнопка темы сверху справа и окно профиля внизу меню: общая оболочка кабинета и настроек. */
body:has(> .sidenav) {
  --sn-w: 252px;
  --sn-top: var(--topbar, 56px);
  --sn-surface: var(--surface, #fcfcfb);
  --sn-hover: var(--surface-2, #efefeb);
  --sn-line: var(--line, #e4e3dc);
  --sn-ink: var(--ink, #141413);
  --sn-ink-3: var(--ink-3, #6b6a65);
  --sn-accent: var(--accent, #256abf);
  --sn-soft: var(--accent-soft, rgba(42, 120, 214, .10));
  --sn-ease: cubic-bezier(.4, 0, .2, 1);
  padding-left: var(--sn-w);
}

.sidenav {
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 50;
  width: var(--sn-w); display: flex; flex-direction: column;
  background: var(--sn-surface); color: var(--sn-ink);
  border-right: 1px solid var(--sn-line);
  padding-top: env(safe-area-inset-top, 0px);
}
.sidenav .logo, .shelltop .logo {
  width: 32px; height: 32px; padding: 6px; flex: none; border-radius: 10px;
  background: var(--sn-accent); color: var(--on-accent, #fff);
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.sn-brand {
  display: flex; align-items: center; gap: 10px; min-height: var(--sn-top);
  padding: 10px 16px; color: var(--sn-ink); text-decoration: none;
}
.sn-brand:hover { color: var(--sn-ink); }
.sn-brand-text { display: grid; line-height: 1.2; min-width: 0; }
.sn-brand-text b { font-size: 15px; font-weight: 650; }
.sn-brand-text small { font-size: 12px; color: var(--sn-ink-3); }

.sn-nav { flex: 1; min-height: 0; overflow-y: auto; padding: 8px 10px 16px; overscroll-behavior: contain; }
.sn-list, .sn-sub { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.sn-item {
  display: flex; align-items: center; gap: 12px; width: 100%; min-height: 42px;
  padding: 8px 12px; border: 0; border-radius: 10px; background: transparent;
  color: var(--sn-ink); font: inherit; font-size: 14.5px; font-weight: 550; line-height: 1.25;
  text-align: left; text-decoration: none; cursor: pointer;
  transition: background-color .15s var(--sn-ease), color .15s var(--sn-ease);
}
.sn-item:hover { background: var(--sn-hover); color: var(--sn-ink); }
.sn-item[aria-current="page"], .sn-toggle[data-current] { background: var(--sn-soft); color: var(--sn-accent); }
.sn-item > span:not(.sn-badge):not(.sn-count) { flex: 1; min-width: 0; }
.sn-ic, .sn-chev {
  width: 20px; height: 20px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.sn-chev { width: 16px; height: 16px; color: var(--sn-ink-3); transition: transform .3s var(--sn-ease); }
.sn-toggle[aria-expanded="true"] .sn-chev { transform: rotate(180deg); }
.sn-badge, .sn-count {
  display: inline-grid; place-items: center; flex: none; min-width: 22px; height: 20px; padding: 0 7px;
  border-radius: 99px; font-size: 12px; font-weight: 650; font-variant-numeric: tabular-nums;
}
.sn-badge { background: var(--crit-ink, #b42323); color: #fff; }
.sn-count { background: var(--sn-hover); color: var(--sn-ink-3); }
.sn-group.is-open > .sn-toggle .sn-badge { display: none; }

.sn-subwrap { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s var(--sn-ease); }
.sn-group.is-open > .sn-subwrap { grid-template-rows: 1fr; }
.sn-sub { overflow: hidden; min-height: 0; padding-left: 22px; }
.sn-sub li:first-child { margin-top: 2px; }
.sn-sub li:last-child { margin-bottom: 6px; }
.sn-subitem {
  position: relative; display: flex; align-items: center; gap: 8px; min-height: 36px;
  padding: 7px 12px 7px 20px; border-radius: 10px;
  color: var(--sn-ink-3); font-size: 14px; line-height: 1.25; text-decoration: none;
  opacity: 0; transform: translateY(-4px);
  transition: opacity .2s var(--sn-ease), transform .25s var(--sn-ease), background-color .15s var(--sn-ease), color .15s var(--sn-ease);
}
.sn-subitem::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 2px; border-radius: 2px; background: var(--sn-line);
}
.sn-subitem > span:first-child { flex: 1; min-width: 0; }
.sn-group.is-open .sn-subitem { opacity: 1; transform: none; }
.sn-subitem:hover { background: var(--sn-hover); color: var(--sn-ink); }
.sn-subitem[aria-current="page"] { color: var(--sn-accent); font-weight: 600; background: var(--sn-soft); }
.sn-subitem[aria-current="page"]::before { background: var(--sn-accent); }

.sidenav-foot { padding: 10px; border-top: 1px solid var(--sn-line); padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px)); }
.sidenav-foot .who { display: block; }
.sidenav-foot .who-btn {
  width: 100%; padding: 6px 10px 6px 6px; border-radius: 12px; color: var(--sn-ink);
}
.sidenav-foot .who-ava { width: 32px; height: 32px; font-size: 13px; }
.sidenav-foot .who-name { flex: 1; min-width: 0; max-width: none; text-align: left; font-size: 13.5px; font-weight: 550; }
.sidenav-foot .who-chev { transform: rotate(180deg); }
.sidenav-foot .who-btn[aria-expanded="true"] .who-chev { transform: none; }
.sidenav-foot .who-menu {
  top: auto; bottom: calc(100% + 8px); left: 0; right: auto;
  width: min(300px, calc(100vw - 24px)); max-height: calc(100vh - 120px); overflow-y: auto;
}

.shelltop {
  position: absolute; top: 0; right: 0; z-index: 40;
  display: flex; align-items: center; gap: 10px;
  padding: calc(14px + env(safe-area-inset-top, 0px)) clamp(16px, 2vw, 24px) 0 0;
}
.shell-burger, .shelltop-brand { display: none; }
.shell-banner { padding: 12px 76px 0 clamp(16px, 2.5vw, 28px); }
body:has(> .sidenav) .filterbar { top: 8px; }
html:has(> body > .sidenav) { scroll-padding-top: 80px; }
body:has(> .sidenav) main.settings { padding-right: max(var(--gutter, 24px), 76px); }

.theme-toggle {
  margin-left: auto; display: inline-grid; place-items: center; flex: none;
  width: 40px; height: 40px; padding: 0; border: 1px solid var(--sn-line); border-radius: 50%;
  background: var(--sn-surface); color: var(--sn-ink); cursor: pointer;
  transition: background-color .2s var(--sn-ease), border-color .2s var(--sn-ease), transform .2s var(--sn-ease);
}
.theme-toggle { view-transition-name: theme-toggle; }
::view-transition-old(theme-toggle) { display: none; }
::view-transition-new(theme-toggle) { animation: none; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .45s; animation-timing-function: var(--sn-ease, ease); }
.theme-toggle:hover { background: var(--sn-hover); }
.theme-toggle:active { transform: scale(.92); }
.theme-toggle svg { width: 22px; height: 22px; overflow: visible; transition: transform .6s var(--sn-ease); }
.theme-toggle:hover svg { transform: rotate(-15deg); }
.tt-core { fill: currentColor; transform-box: fill-box; transform-origin: center; transition: transform .6s var(--sn-ease); }
.tt-bite { transform: translate(14px, -14px); transition: transform .6s var(--sn-ease); }
.tt-rays {
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round;
  transform-box: view-box; transform-origin: 12px 12px;
  transition: transform .6s var(--sn-ease), opacity .35s var(--sn-ease);
}
:root[data-theme="dark"] .tt-core { transform: scale(1.8); }
:root[data-theme="dark"] .tt-bite { transform: translate(5px, -4px); }
:root[data-theme="dark"] .tt-rays { transform: rotate(90deg) scale(.4); opacity: 0; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tt-core { transform: scale(1.8); }
  :root:not([data-theme="light"]) .tt-bite { transform: translate(5px, -4px); }
  :root:not([data-theme="light"]) .tt-rays { transform: rotate(90deg) scale(.4); opacity: 0; }
}

.shell-scrim { position: fixed; inset: 0; z-index: 45; background: rgba(0, 0, 0, .42); opacity: 0; transition: opacity .25s var(--sn-ease); }
.shell-scrim.is-on { opacity: 1; }

@media (max-width: 960px) {
  body:has(> .sidenav) { padding-left: 0; --sn-top: 52px; }
  .sidenav {
    width: min(300px, 86vw); transform: translateX(-102%); visibility: hidden;
    box-shadow: 0 0 40px rgba(0, 0, 0, .25);
    transition: transform .3s var(--sn-ease), visibility 0s linear .3s;
  }
  .sidenav.is-open { transform: none; visibility: visible; transition: transform .3s var(--sn-ease), visibility 0s; }
  .shelltop {
    position: sticky; top: 0; right: auto; height: calc(var(--sn-top) + env(safe-area-inset-top, 0px));
    padding: env(safe-area-inset-top, 0px) 16px 0;
    background: var(--bg, #f4f4f1); border-bottom: 1px solid var(--sn-line);
  }
  body:has(> .sidenav) .filterbar { top: calc(var(--sn-top) + 8px); }
  html:has(> body > .sidenav) { scroll-padding-top: calc(var(--sn-top) + 80px); }
  body:has(> .sidenav) main.settings { padding-right: var(--gutter, 16px); }
  .shell-burger {
    display: inline-grid; place-items: center; width: 40px; height: 40px; margin-left: -8px; padding: 0;
    border: 0; border-radius: 10px; background: transparent; color: var(--sn-ink); cursor: pointer;
  }
  .shell-burger svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
  .shelltop-brand { display: inline-flex; align-items: center; gap: 8px; min-width: 0; color: var(--sn-ink); text-decoration: none; }
  .shelltop-brand b { font-size: 15px; font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .shelltop .logo { width: 28px; height: 28px; padding: 5px; border-radius: 8px; }
  .shell-banner { padding-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .sidenav, .sn-subwrap, .sn-subitem, .sn-chev, .shell-scrim,
  .theme-toggle, .theme-toggle svg, .tt-core, .tt-bite, .tt-rays { transition: none !important; }
}