* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* App Container */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  z-index: 50;
}

.sidebar-header {
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.logo-badge {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 0 15px var(--accent-primary-glow);
}

.brand-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #ffffff, #a7f3d0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-version {
  font-size: 0.65rem;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-primary);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  font-weight: 600;
  margin-left: 4px;
}

.sidebar-nav {
  padding: 1.25rem 0.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.nav-item:hover {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.nav-item.active {
  background-color: rgba(16, 185, 129, 0.12);
  color: var(--accent-primary);
  border-color: rgba(16, 185, 129, 0.25);
  font-weight: 600;
}

.nav-item .icon {
  font-size: 1.2rem;
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent-primary);
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.user-role {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: capitalize;
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background-color: var(--bg-main);
}

/* Top Navigation Bar */
.topbar {
  height: 70px;
  background-color: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
}

.group-selector-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-surface-elevated);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
}

.group-selector-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.group-select {
  background: transparent;
  color: var(--text-primary);
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
}

.group-select option {
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* WhatsApp Connection Status Badge */
.status-pill {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
}

.status-dot.online {
  background-color: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
}

.status-dot.offline {
  background-color: var(--accent-danger);
  box-shadow: 0 0 10px var(--accent-danger);
}

/* Content Container */
.content-body {
  padding: 2rem;
  flex: 1;
  max-width: 1350px;
  width: 100%;
  margin: 0 auto;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

@media (max-width: 1024px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: -270px;
  }
  .sidebar.open {
    transform: translateX(270px);
  }
  .mobile-toggle {
    display: block;
  }
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .content-body {
    padding: 1rem;
  }
  .topbar {
    padding: 0 1rem;
  }
}