/* Berlitz 360 — app shell */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  background: var(--b360-canvas);
  color: var(--b360-ink);
  font-family: var(--b360-font);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
bdi { unicode-bidi: isolate; }
a { color: var(--b360-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--b360-blue);
  outline-offset: 2px;
}

#app {
  min-height: 100%;
  display: grid;
  grid-template-columns: var(--b360-sidebar-w) minmax(0, 1fr);
  grid-template-rows: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  background: linear-gradient(180deg, var(--b360-navy) 0%, #071F3D 100%);
  color: var(--b360-ink-inv);
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  gap: 8px;
  position: relative;
  z-index: 20;
  overflow: auto;
}
.sidebar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 10px;
}
.sidebar__brand img {
  height: 32px;
  width: auto;
  display: block;
  background: #fff;
  border-radius: 8px;
  padding: 4px 8px;
}
.sidebar__ver {
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
  color: var(--b360-ink-inv-2);
  direction: ltr;
  unicode-bidi: isolate;
  margin-inline-start: auto;
}
.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.sidebar__label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--b360-ink-inv-2);
  padding: 14px 12px 6px;
}
.sidebar__link {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: right;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 400;
  padding: 10px 12px;
  border: none;
  border-radius: var(--b360-r);
  background: transparent;
  color: var(--b360-ink-inv-2);
  cursor: pointer;
  transition: background 0.15s var(--b360-ease), color 0.15s var(--b360-ease);
}
.sidebar__link:hover {
  background: var(--b360-sidebar-hover);
  color: var(--b360-ink-inv);
  text-decoration: none;
}
.sidebar__link.is-active {
  background: var(--b360-sidebar-active);
  color: #fff;
  font-weight: 500;
  box-shadow: inset 3px 0 0 var(--b360-blue);
}
.sidebar__link[disabled], .sidebar__link.is-soon {
  opacity: 0.45;
  cursor: not-allowed;
}
.sidebar__ico {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  opacity: 0.85;
}
.sidebar__soon {
  font-size: 10px;
  margin-inline-start: auto;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 1px 7px;
  color: var(--b360-ink-inv-2);
}
.sidebar__foot {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 12px;
  margin-top: 8px;
}
.sidebar__user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--b360-r);
}
.sidebar__avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--b360-blue);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 600;
  flex: 0 0 auto;
}
.sidebar__user-meta { min-width: 0; flex: 1; }
.sidebar__user-name {
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar__user-role {
  font-size: 11.5px;
  color: var(--b360-ink-inv-2);
}
.sidebar__logout {
  font-family: inherit;
  font-size: 12px;
  border: none;
  background: transparent;
  color: var(--b360-ink-inv-2);
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 8px;
}
.sidebar__logout:hover {
  background: var(--b360-sidebar-hover);
  color: #fff;
}

/* ── Main column ── */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--b360-canvas);
  container-type: inline-size;
  container-name: app;
  position: relative;
  overflow: hidden;
}
.topbar {
  height: var(--b360-top-h);
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 22px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--b360-line);
  z-index: 5;
}
.topbar__menu {
  display: none;
  border: 1px solid var(--b360-line-2);
  background: var(--b360-surface);
  border-radius: var(--b360-r);
  width: 38px;
  height: 38px;
  cursor: pointer;
  font-size: 18px;
  color: var(--b360-ink-2);
  font-family: inherit;
}
.topbar__crumb {
  font-size: 13px;
  color: var(--b360-ink-3);
}
.topbar__crumb strong {
  color: var(--b360-ink);
  font-weight: 600;
}
.topbar__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 44px;
}

/* Notifications */
.notif-wrap {
  position: relative;
}
.notif-bell {
  position: relative;
  width: 38px;
  height: 38px;
  border: 1px solid var(--b360-line-2);
  background: var(--b360-surface);
  border-radius: var(--b360-r);
  color: var(--b360-ink-2);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-family: inherit;
}
.notif-bell:hover {
  color: var(--b360-ink);
  border-color: var(--b360-line);
}
.notif-badge {
  position: absolute;
  top: 4px;
  left: 4px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: #c2410c;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
}
.notif-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: min(320px, calc(100vw - 24px));
  max-height: min(360px, 50vh);
  overflow: auto;
  background: var(--b360-surface);
  border: 1px solid var(--b360-line);
  border-radius: var(--b360-r-lg);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
  z-index: 40;
  padding: 6px;
}
.notif-empty {
  padding: 18px 12px;
  text-align: center;
  color: var(--b360-ink-3);
  font-size: 13px;
}
.notif-item {
  display: block;
  width: 100%;
  text-align: right;
  border: 0;
  background: transparent;
  padding: 10px 11px;
  border-radius: var(--b360-r);
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}
.notif-item:hover {
  background: rgba(10, 47, 92, 0.05);
}
.notif-item.is-unread {
  background: rgba(10, 47, 92, 0.06);
}
.notif-item__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--b360-ink);
}
.notif-item__body {
  margin-top: 2px;
  font-size: 12px;
  color: var(--b360-ink-3);
}
.notif-item__meta {
  margin-top: 4px;
  font-size: 11px;
  color: var(--b360-ink-3);
}

/* Toasts */
.toast-host {
  position: fixed;
  top: calc(var(--b360-top-h, 56px) + 12px);
  left: 16px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: min(360px, calc(100vw - 32px));
}
.toast {
  pointer-events: none;
  background: #0A2F5C;
  color: #fff;
  padding: 11px 14px;
  border-radius: var(--b360-r);
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 10px 28px rgba(10, 47, 92, 0.28);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast.is-on {
  opacity: 1;
  transform: translateY(0);
}

.view {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 22px;
}

/* Mobile sidebar overlay */
.sidebar-scrim {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 25;
}
.sidebar-scrim.is-on { display: block; }

@media (max-width: 900px) {
  #app { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    width: min(280px, 86vw);
    transform: translateX(100%);
    transition: transform 0.28s var(--b360-ease);
    box-shadow: var(--b360-shadow-lg);
  }
  html[dir="rtl"] .sidebar { transform: translateX(100%); }
  html[dir="ltr"] .sidebar { transform: translateX(-100%); }
  body.nav-open .sidebar { transform: none; }
  .topbar__menu { display: grid; place-items: center; }
  .view { padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}