:root {
  --sidebar-width: 220px;
  --topbar-h: 52px;
  --bg-dark: #0d1117;
  --bg-card: #111827;
  --bg-sidebar: #0d1117;
  --border: #1f2937;
  --accent: #ef4444;
}

body { background: var(--bg-dark); color: #e5e7eb; font-family: system-ui, -apple-system, sans-serif; }

/* Sidebar */
.sidebar {
  position: fixed; top: 0; left: 0; width: var(--sidebar-width);
  height: 100vh; background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; z-index: 1000; overflow-y: auto;
}
.sidebar-brand {
  padding: 1.25rem 1rem 1rem;
  font-size: 1.2rem; font-weight: 700; color: var(--accent);
  border-bottom: 1px solid var(--border); text-align: center;
}
.sidebar-nav { list-style: none; padding: 0.5rem 0; margin: 0; flex: 1; }
.sidebar-nav li { margin: 0; }
.sidebar-link {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.6rem 1rem; color: #9ca3af; text-decoration: none;
  font-size: 0.9rem; transition: all 0.15s;
}
.sidebar-link:hover, .sidebar-link.active {
  color: #f9fafb; background: #1f2937;
}
.sidebar-link.active { border-left: 3px solid var(--accent); }
.sidebar-link i { font-size: 1rem; width: 18px; }
.sidebar-footer {
  padding: 0.75rem 1rem; border-top: 1px solid var(--border);
}
.sidebar-user { display: flex; align-items: center; gap: 0.6rem; }
.sidebar-avatar { width: 36px; height: 36px; border-radius: 50%; }
.sidebar-user-name { font-size: 0.85rem; font-weight: 600; color: #f9fafb; }
.sidebar-user-links a { font-size: 0.75rem; color: #6b7280; text-decoration: none; }
.sidebar-user-links a:hover { color: #f9fafb; }

/* Main content */
.main-content { margin-left: var(--sidebar-width); min-height: 100vh; padding: 1.5rem; }

/* Mobile */
.mobile-topbar {
  display: none; position: fixed; top: 0; left: 0; right: 0;
  height: var(--topbar-h); background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border); z-index: 1001; padding: 0 1rem;
}
.sidebar-toggle-btn {
  background: none; border: none; color: #9ca3af; font-size: 1.4rem; cursor: pointer;
}
.sidebar-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 999;
}
@media (max-width: 991px) {
  .mobile-topbar { display: flex; }
  .main-content { margin-left: 0; padding-top: calc(var(--topbar-h) + 1rem); }
  .sidebar { transform: translateX(-100%); transition: transform 0.25s; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }
}

/* Cards */
.card-dark { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; }

/* Badge tokens */
.token-badge {
  background: #1e3a2f; color: #4ade80;
  border: 1px solid #166534; border-radius: 20px;
  padding: 0.2rem 0.6rem; font-size: 0.8rem; font-weight: 600;
}

/* Login page */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 2.5rem; width: 100%; max-width: 400px; text-align: center;
}
.login-logo { font-size: 2.5rem; font-weight: 800; color: var(--accent); margin-bottom: 0.25rem; }
.login-subtitle { color: #6b7280; margin-bottom: 2rem; }
.btn-eve {
  background: #ef4444; border: none; color: white;
  padding: 0.75rem 2rem; border-radius: 6px; font-weight: 600;
  font-size: 1rem; width: 100%; cursor: pointer; text-decoration: none; display: inline-block;
}
.btn-eve:hover { background: #dc2626; color: white; }

/* Pending page */
.pending-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; }

/* Subnav */
.sidebar-subnav { list-style: none; padding: 0; margin: 0; background: #0a0f18; }
.sidebar-sublink {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.45rem 1rem 0.45rem 2.5rem;
  color: #6b7280; text-decoration: none; font-size: 0.85rem;
}
.sidebar-sublink:hover, .sidebar-sublink.active { color: #f9fafb; background: #1f2937; }
.sidebar-chevron { font-size: 0.75rem; transition: transform 0.2s; }