.app-container { display: none; }
.app-container.active { display: block; }

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  background: #fff;
  border-right: 1px solid var(--dark-200);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.open { transform: translateX(0); }

@media (min-width: 1024px) {
  .sidebar { transform: translateX(0); }
  .main { margin-left: 280px; }
  .topbar .menu-btn { display: none; }
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--dark-200);
  display: flex;
  align-items: center;
  gap: 14px;
}

.sidebar-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
}

.sidebar-brand { font-weight: 700; font-size: 1rem; color: var(--dark-900); }
.sidebar-brand small { display: block; font-size: 0.75rem; color: var(--dark-400); font-weight: 500; }

.sidebar-nav { flex: 1; padding: 20px 16px; overflow-y: auto; }

.nav-section {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dark-400);
  padding: 16px 16px 10px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  color: var(--dark-500);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  margin-bottom: 4px;
}

.nav-item:hover {
  background: rgba(230, 57, 70, 0.06);
  color: var(--primary);
}

.nav-item.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
}

.nav-item i { width: 20px; text-align: center; font-size: 1rem; }

.sidebar-user {
  padding: 20px;
  border-top: 1px solid var(--dark-200);
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.sidebar-user:hover { background: var(--dark-50); }

.sidebar-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  overflow: hidden;
}

.sidebar-avatar img { width: 100%; height: 100%; object-fit: cover; }

.sidebar-userinfo { flex: 1; min-width: 0; }
.sidebar-userinfo b { display: block; font-size: 0.85rem; font-weight: 600; color: var(--dark-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-userinfo small { font-size: 0.75rem; color: var(--primary); font-weight: 600; }

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 90;
}
.overlay.show { display: block; }

.topbar {
  color: #fff;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar h1 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.topbar .menu-btn {
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 1.1rem;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.topbar .menu-btn:hover { background: rgba(255,255,255,0.25); }

.main { min-height: 100vh; background: var(--dark-100); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 24px; }

.view { display: none; }
.view.active { display: block; }

.view-content {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.4s ease-out forwards;
}

.section-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.key-selector {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.key-selector-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--dark-200);
  border-radius: 12px;
  padding: 9px 14px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--dark-700);
  cursor: pointer;
  transition: all .15s;
  min-width: 220px;
  justify-content: space-between;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.key-selector-btn:hover { border-color: var(--dark-300); }
.key-selector-btn .ks-label { display: flex; align-items: center; gap: 8px; min-width: 0; }
.key-selector-btn .ks-label i { color: var(--primary); font-size: .8rem; }
.key-selector-btn .ks-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 140px; }
.key-selector-btn .ks-prefix { color: var(--dark-400); font-family: 'SF Mono', Menlo, monospace; font-size: .72rem; font-weight: 500; }
.key-selector-btn .ks-chevron { color: var(--dark-400); font-size: .7rem; }
.key-selector-btn.empty { color: var(--dark-500); border-style: dashed; }

.key-selector-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 280px;
  background: #fff;
  border: 1px solid var(--dark-200);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
  padding: 6px;
  z-index: 60;
  display: none;
  max-height: 360px;
  overflow-y: auto;
}
.key-selector-menu.show { display: block; animation: fadeIn .2s ease-out; }
.key-selector-menu .ks-section {
  padding: 8px 12px 4px;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--dark-400);
}
.key-selector-menu .ks-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .12s;
}
.key-selector-menu .ks-item:hover { background: var(--dark-100); }
.key-selector-menu .ks-item.active { background: var(--dark-100); }
.key-selector-menu .ks-item .ks-check { color: var(--primary); margin-left: auto; font-size: .8rem; opacity: 0; }
.key-selector-menu .ks-item.active .ks-check { opacity: 1; }
.key-selector-menu .ks-item-name { font-size: .85rem; font-weight: 600; color: var(--dark-700); }
.key-selector-menu .ks-item-meta { font-size: .7rem; color: var(--dark-400); font-family: 'SF Mono', Menlo, monospace; }
.key-selector-menu .ks-divider { height: 1px; background: var(--dark-200); margin: 4px 0; }
.key-selector-menu .ks-action {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--primary);
  font-weight: 600;
  font-size: .85rem;
  transition: background .12s;
}
.key-selector-menu .ks-action:hover { background: #fef2f2; }
.key-selector-menu .ks-empty {
  padding: 20px 12px;
  text-align: center;
  color: var(--dark-400);
  font-size: .8rem;
}