.panel-app {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 100% -10%, var(--accent-glow), transparent 55%),
    radial-gradient(ellipse 60% 40% at -10% 100%, var(--info-muted), transparent 50%),
    var(--bg);
}

.panel-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: var(--sidebar-w);
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1rem;
  border-right: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transform: translateX(0);
  transition: transform 0.25s ease;
}

.panel-brand { margin-bottom: 1.5rem; }

.panel-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
}

.panel-logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #ff6680);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.panel-logo-text { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.02em; }
.panel-logo-text .accent { color: var(--accent); }

.panel-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.panel-nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  position: relative;
}

.panel-nav-link .nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
[data-theme="light"] .panel-nav-link .nav-icon { background: rgba(0, 0, 0, 0.05); }

.panel-nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  border-radius: 0 3px 3px 0;
  background: var(--accent);
}

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

[data-theme="light"] .panel-nav-link:hover { background: rgba(0, 0, 0, 0.04); }

.panel-nav-link.active {
  color: var(--accent);
  background: var(--accent-glow);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  font-weight: 600;
}
.panel-nav-link.active .nav-icon {
  background: color-mix(in srgb, var(--accent) 25%, transparent);
  color: var(--accent);
}

.panel-sidebar-foot {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.panel-balance-chip {
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  margin-bottom: 0.75rem;
}

.panel-balance-chip .chip-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.panel-balance-chip .chip-val {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ok);
  font-variant-numeric: tabular-nums;
}

.panel-balance-chip.is-loading .chip-val {
  color: transparent;
  background: var(--border);
  border-radius: 4px;
  min-height: 1.5rem;
  animation: skeleton-shimmer 1.2s ease-in-out infinite;
}

.panel-sidebar-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.panel-sidebar-actions .btn.secondary { flex: 1; font-size: 0.85rem; }

.panel-topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 50;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 92%, transparent);
  backdrop-filter: blur(10px);
}

.panel-topbar-title { flex: 1; font-weight: 600; font-size: 1rem; }
.panel-menu-btn { font-size: 1.1rem; }

.panel-app > .panel-content,
.panel-app main.panel-content {
  margin-left: var(--sidebar-w);
  padding: 1.75rem 2rem 3rem;
  max-width: 1100px;
  min-height: 100vh;
}

.panel-app header:not(.panel-topbar) { display: none; }

.panel-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .panel-sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow-md);
  }
  .panel-nav-open .panel-sidebar { transform: translateX(0); }
  .panel-nav-open::after {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 90;
  }
  .panel-topbar { display: flex; }
  .panel-app > .panel-content,
  .panel-app main.panel-content {
    margin-left: 0;
    padding: 1rem 1rem 2.5rem;
    padding-top: 0;
  }
}