.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--aaid-border);
  background: rgba(9, 10, 15, 0.98);
  backdrop-filter: blur(16px);
}

.topbar-row {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 22px;
  width: 100%;
  max-width: 1520px;
  margin: 0 auto;
  padding: 14px 26px;
}

.topbar-brand {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  flex: 0 0 auto;
  color: inherit;
  text-decoration: none;
  min-height: 40px;
}

.topbar-brand.mascot-brand { padding-left: 78px; }

.mascot-link {
  position: absolute;
  left: 20px;
  top: 14px;
  z-index: 45;
  display: block;
  line-height: 0;
}

.mascot-hang {
  height: 88px;
  width: auto;
  display: block;
  filter: drop-shadow(0 14px 16px rgba(0, 0, 0, 0.55)) drop-shadow(0 2px 3px rgba(0, 0, 0, 0.4));
  transition: transform .2s ease, filter .2s ease;
  animation: mascot-bob 4.5s ease-in-out infinite;
  transform-origin: 50% 0%;
}

.mascot-link:hover .mascot-hang {
  transform: scale(1.05) rotate(-1.5deg);
  filter: drop-shadow(0 18px 20px rgba(0, 0, 0, 0.6)) drop-shadow(0 2px 3px rgba(0, 0, 0, 0.45));
}

@keyframes mascot-bob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-4px) rotate(.6deg); }
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  color: #111;
  background: linear-gradient(180deg, var(--aaid-gold), var(--aaid-gold-soft));
  font-weight: 800;
}

.brand-copy { display: flex; min-width: 0; flex-direction: column; gap: 2px; }
.brand-copy strong { color: #fff; letter-spacing: .02em; font-size: 15px; }
.brand-copy small { color: var(--aaid-muted); font-size: 13px; white-space: nowrap; }

.nav-toggle { display: none; }

.topbar-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 4px 2px;
  padding-top: 3px;
}

.nav-link,
.nav-button {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 5px;
  min-height: 34px;
  padding: 0 9px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: rgba(255, 255, 255, 0.62);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .01em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.nav-link:hover,
.nav-button:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.055);
}

.nav-link.active {
  color: var(--aaid-gold);
  border-color: rgba(216, 184, 104, .5);
  background: rgba(216, 184, 104, .1);
  font-weight: 800;
}

.nav-group { position: relative; }

.nav-button::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-left: 1px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  opacity: .6;
}

.nav-group.open .nav-button::after { transform: rotate(225deg); }

.nav-group.open .nav-button {
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 50;
  display: none;
  flex-direction: column;
  gap: 2px;
  min-width: 220px;
  padding: 8px;
  border-radius: 14px;
  border: 1px solid var(--aaid-border);
  background: rgba(14, 15, 20, .98);
  box-shadow: var(--aaid-shadow);
}

.nav-group.open .nav-dropdown { display: flex; }

.nav-dropdown a {
  min-height: 36px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 9px;
  color: var(--aaid-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.nav-dropdown a:hover,
.nav-dropdown a.active { color: #fff; background: rgba(255, 255, 255, 0.06); }
.nav-dropdown a.active { color: var(--aaid-gold); }

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding-top: 3px;
  margin-left: auto;
}

.topbar-button,
.icon-button {
  min-height: 34px;
  border: 1px solid var(--aaid-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: rgba(255, 255, 255, 0.62);
  padding: 0 13px;
  cursor: pointer;
}

.topbar-button {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .01em;
  text-transform: uppercase;
}

.topbar-button:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.topbar-button.danger {
  border-color: rgba(255, 92, 92, .3);
  color: #ff9a9a;
  background: rgba(255, 92, 92, .07);
}

.topbar-button.danger:hover {
  color: #ffb3b3;
  background: rgba(255, 92, 92, .12);
}

.icon-button {
  width: 40px;
  padding: 0;
  display: inline-grid;
  place-content: center;
  gap: 4px;
}

.icon-button span {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.page-header { margin-bottom: 18px; }

.content-area {
  width: 100%;
  max-width: 1520px;
  margin: 0 auto;
  padding: 24px 26px 40px;
}

.content-area > * { max-width: 100%; }

@media (max-width: 900px) {
  .topbar-row { flex-wrap: wrap; row-gap: 10px; padding: 12px 16px; }

  .mascot-link { left: 14px; top: 12px; }
  .mascot-hang { height: 62px; }
  .topbar-brand.mascot-brand { padding-left: 60px; }

  .topbar-actions {
    order: 3;
    margin-left: 0;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .topbar-nav {
    order: 4;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    max-height: none;
    padding-top: 10px;
    border-top: 1px solid var(--aaid-border);
  }

  .nav-link, .nav-button { width: 100%; justify-content: flex-start; border-radius: 10px; }
  .nav-group { width: 100%; }
  .nav-dropdown {
    position: static;
    border: 0;
    box-shadow: none;
    background: transparent;
    padding: 2px 0 4px 14px;
  }

  .content-area { padding: 16px; }
}
.chat-nav-link{display:inline-flex!important;align-items:center;gap:5px}.chat-nav-icon{font-size:7px;color:#748096;transition:.2s}.chat-nav-link.has-unread .chat-nav-icon{color:#60a5fa;box-shadow:0 0 10px rgba(96,165,250,.9);border-radius:50%}.chat-nav-count{display:inline-flex;align-items:center;justify-content:center;min-width:17px;height:17px;padding:0 4px;border-radius:9px;background:linear-gradient(135deg,#3b82f6,#7c3aed);color:#fff;font-size:9px;font-weight:900;line-height:1;box-shadow:0 0 0 2px #0a0c12,0 3px 10px rgba(59,130,246,.42)}.chat-nav-count[hidden]{display:none!important}