:root {
  --phx-sidebar-width: 312px;
  --phx-sidebar-collapsed-width: 18px;
  --phx-topbar-height: 82px;
  --phx-rail-width: 24px;
  --phx-cyan: #72dcff;
  --phx-orange: #ff6b3d;
  --phx-sidebar-left: 0px;
  --phx-sidebar-effective: var(--phx-sidebar-width);
}

body.phx-sidebar-collapsed {
  --phx-sidebar-effective: var(--phx-sidebar-collapsed-width);
}

/* Левая лента всегда имеет собственную прокрутку. */
body .sidebar {
  width: var(--phx-sidebar-width) !important;
  max-width: min(88vw, 460px) !important;
  height: calc(100dvh - var(--phx-topbar-height)) !important;
  max-height: calc(100dvh - var(--phx-topbar-height)) !important;
  top: var(--phx-topbar-height) !important;
  bottom: 0 !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: rgba(111, 220, 255, .78) rgba(2, 9, 16, .96);
  transition: width .22s cubic-bezier(.2,.8,.2,1), transform .22s cubic-bezier(.2,.8,.2,1), opacity .16s ease !important;
}

body .sidebar::-webkit-scrollbar {
  width: 11px;
}

body .sidebar::-webkit-scrollbar-track {
  background: rgba(2, 9, 16, .96);
}

body .sidebar::-webkit-scrollbar-thumb {
  border: 2px solid rgba(2, 9, 16, .96);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(119, 226, 255, .96), rgba(28, 128, 229, .96));
  box-shadow: 0 0 18px rgba(92, 202, 255, .16);
}

body .sidebar::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #b0efff, #3e9fff);
}

body.phx-sidebar-collapsed .sidebar {
  width: var(--phx-sidebar-collapsed-width) !important;
  min-width: var(--phx-sidebar-collapsed-width) !important;
  opacity: .32;
  overflow: hidden !important;
}

body.phx-sidebar-collapsed .sidebar > * {
  visibility: hidden !important;
}

/* Ползунок-рейка: открытие, изменение ширины и отдельная прокрутка меню. */
.phx-sidebar-rail {
  position: fixed;
  z-index: 10020;
  top: var(--phx-topbar-height);
  bottom: 0;
  left: calc(var(--phx-sidebar-left) + var(--phx-sidebar-effective) - 2px);
  width: var(--phx-rail-width);
  pointer-events: none;
  transition: left .22s cubic-bezier(.2,.8,.2,1);
}

.phx-sidebar-toggle {
  position: absolute;
  top: 50%;
  left: 0;
  width: 24px;
  height: 104px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  padding: 0;
  pointer-events: auto;
  touch-action: none;
  cursor: ew-resize;
  border: 1px solid rgba(112, 219, 255, .48);
  border-left-color: rgba(255, 107, 61, .82);
  border-radius: 0 15px 15px 0;
  background: linear-gradient(180deg, rgba(8, 27, 44, .99), rgba(2, 10, 18, .99));
  color: #e9fbff;
  box-shadow: 12px 0 28px rgba(0,0,0,.34), 0 0 24px rgba(82, 194, 255, .16);
}

.phx-sidebar-toggle:hover,
.phx-sidebar-toggle:focus-visible,
.phx-sidebar-toggle.is-dragging {
  border-color: rgba(132, 232, 255, .9);
  border-left-color: var(--phx-orange);
  box-shadow: 12px 0 34px rgba(0,0,0,.42), 0 0 30px rgba(82, 194, 255, .24);
  outline: none;
}

.phx-sidebar-toggle::before {
  content: "‹";
  font: 700 24px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

body.phx-sidebar-collapsed .phx-sidebar-toggle::before {
  content: "›";
}

.phx-sidebar-toggle::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 15px;
  bottom: 15px;
  width: 2px;
  border-radius: 99px;
  background: repeating-linear-gradient(to bottom, var(--phx-cyan) 0 4px, transparent 4px 8px);
  opacity: .82;
}

.phx-sidebar-scroll-track {
  position: absolute;
  top: 12px;
  bottom: 12px;
  right: 2px;
  width: 5px;
  pointer-events: auto;
  border-radius: 99px;
  background: rgba(82, 194, 255, .08);
}

.phx-sidebar-scroll-thumb {
  position: absolute;
  inset: 0 0 auto 0;
  min-height: 42px;
  border-radius: 99px;
  cursor: ns-resize;
  touch-action: none;
  background: linear-gradient(180deg, var(--phx-cyan), #287ee7);
  box-shadow: 0 0 14px rgba(100, 214, 255, .35);
}

body.phx-sidebar-collapsed .phx-sidebar-scroll-track {
  opacity: 0;
  pointer-events: none;
}

.phx-sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10010;
  display: none;
  background: rgba(0, 5, 10, .74);
  backdrop-filter: blur(8px);
}

.phx-sidebar-backdrop.is-visible {
  display: block;
}

/* Поддержка разных поколений layout. */
@media (min-width: 1025px) {
  body .site-main,
  body main.site-main,
  body .workspace,
  body main.workspace {
    min-width: 0;
  }

  body.phx-sidebar-collapsed .site-main,
  body.phx-sidebar-collapsed main.site-main,
  body.phx-sidebar-collapsed .workspace,
  body.phx-sidebar-collapsed main.workspace {
    margin-left: var(--phx-sidebar-collapsed-width) !important;
    width: calc(100% - var(--phx-sidebar-collapsed-width)) !important;
  }
}

/* Единый блок активной сессии. */
.phx-auth-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 8px 11px;
  border: 1px solid rgba(101, 210, 255, .2);
  border-radius: 14px;
  background: rgba(4, 15, 25, .84);
  color: #e3f9ff;
  text-decoration: none;
  box-shadow: inset 0 0 20px rgba(72, 177, 255, .05);
}

.phx-auth-chip__avatar {
  width: 31px;
  height: 31px;
  flex: 0 0 31px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(101, 210, 255, .4);
  border-radius: 10px;
  background: rgba(5, 20, 34, .96);
  color: #82e6ff;
  font: 700 10px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.phx-auth-chip__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phx-auth-chip__copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.phx-auth-chip strong,
.phx-auth-chip small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.phx-auth-chip strong {
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.phx-auth-chip small {
  color: rgba(187, 233, 249, .68);
  font-size: 9px;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.phx-auth-chip[data-state="online"] {
  border-color: rgba(87, 239, 184, .42);
}

.phx-auth-chip[data-state="guest"] {
  border-color: rgba(243, 198, 106, .38);
}

.phx-auth-chip[data-state="offline"] {
  border-color: rgba(255, 117, 133, .4);
}

/* Гостевые меню, оставшиеся от старых оболочек, скрываются только при подтверждённой сессии. */
html[data-phx-auth="authenticated"] [data-auth-guest],
html[data-phx-auth="authenticated"] .phx-detected-guest-panel {
  display: none !important;
}

html[data-phx-auth="authenticated"] [data-auth-user] {
  display: initial;
}

.phx-auth-warning {
  position: fixed;
  right: 18px;
  bottom: 78px;
  z-index: 10030;
  max-width: min(440px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid rgba(243, 198, 106, .3);
  border-radius: 14px;
  background: rgba(17, 13, 5, .97);
  color: #ffe3a7;
  font-size: 12px;
  box-shadow: 0 18px 50px rgba(0,0,0,.4);
}

@media (max-width: 1024px) {
  :root {
    --phx-sidebar-left: 0px;
  }

  body .sidebar {
    position: fixed !important;
    z-index: 10015 !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    transform: translateX(-105%);
    opacity: 1 !important;
  }

  body.phx-sidebar-mobile-open .sidebar {
    transform: translateX(0);
  }

  .phx-sidebar-rail {
    top: 0;
    left: 10px;
    bottom: 0;
  }

  body.phx-sidebar-mobile-open .phx-sidebar-rail {
    left: calc(min(88vw, var(--phx-sidebar-width)) - 2px);
  }

  .phx-sidebar-toggle {
    cursor: pointer;
  }

  .phx-sidebar-scroll-track {
    display: none;
  }
}

@media (max-width: 620px) {
  .phx-auth-chip__copy small {
    display: none;
  }

  .phx-auth-chip {
    padding: 7px;
  }
}