.app-shell {
  display: flex;
  min-height: 100dvh;
  position: relative;
  z-index: 1;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100dvh;
  padding: calc(var(--safe-top) + 20px) 12px calc(var(--safe-bottom) + 16px);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transform: translate3d(0, 0, 0);
  transition: transform var(--transition);
}

.sidebar::after {
  display: none;
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 10px 20px;
}

.sidebar__logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--accent-soft), var(--accent));
  display: grid;
  place-items: center;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.sidebar__logo-icon svg {
  width: 22px;
  height: 22px;
  color: var(--bg-deep);
}

.sidebar__logo-text {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.03em;
}

.sidebar__logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.sidebar__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 13.5px;
  transition: all var(--transition);
  position: relative;
  border: 1px solid transparent;
}

.nav-item:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
}

.nav-item--active {
  color: var(--accent-soft);
  background: var(--accent-dim);
  border-color: var(--border-accent);
}

.nav-item--active::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  background: var(--accent);
  border-radius: 0 4px 4px 0;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.85;
}

.nav-item--active svg {
  opacity: 1;
}

.nav-badge {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--accent-dim);
  color: var(--accent);
}

.nav-badge--vip {
  background: var(--purple-dim);
  color: var(--purple);
}

.sidebar__footer {
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
}

.user-card__avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--gold), var(--accent));
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 14px;
  color: var(--bg-deep);
  box-shadow: 0 4px 12px var(--gold-glow);
}

.user-card__body {
  flex: 1;
  min-width: 0;
}

.user-card__name {
  font-size: 13px;
  font-weight: 600;
}

.user-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 3px;
}

.user-card__role {
  font-size: 11px;
  color: var(--text-muted);
}

.user-card__logout-form {
  flex-shrink: 0;
}

.user-card__logout {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--glass-bg);
  color: var(--text-muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.user-card__logout svg {
  width: 16px;
  height: 16px;
}

.user-card__logout:hover {
  color: var(--red);
  border-color: rgba(192, 57, 43, 0.28);
  background: rgba(192, 57, 43, 0.06);
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-height: 100dvh;
  min-width: 0;
  width: calc(100% - var(--sidebar-w));
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  padding: 0 32px;
  padding-top: var(--safe-top);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}

.topbar__left {
  display: flex;
  align-items: center;
  gap: 16px;
}

  .topbar__menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
  }

.topbar__title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.topbar__subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-content {
  flex: 1;
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding: var(--space-xl);
  padding-left: max(var(--space-xl), var(--safe-left));
  padding-right: max(var(--space-xl), var(--safe-right));
  padding-bottom: calc(var(--safe-bottom) + var(--space-xl));
  box-sizing: border-box;
  align-self: center;
  min-width: 0;
}

.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--bottom-nav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: var(--bg-glass-strong);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border-top: 1px solid var(--border);
  z-index: 100;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.sidebar-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

.bottom-nav__inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: var(--bottom-nav-h);
  padding: 0 8px;
  padding-left: max(8px, var(--safe-left));
  padding-right: max(8px, var(--safe-right));
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 12px;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 500;
  transition: color var(--transition);
  min-width: 56px;
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav__item svg {
  width: 22px;
  height: 22px;
}

.bottom-nav__item--active {
  color: var(--accent-soft);
  position: relative;
}

.bottom-nav__item--active::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 0 0 4px 4px;
  box-shadow: 0 0 8px var(--accent-glow);
}