/* ========================================
   NAVBAR SUPERIOR
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--navbar-height);
  background-color: white;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-xl);
  z-index: 50;
  transition: left var(--transition-normal);
  contain: layout;
}

.app-container.sidebar-collapsed .navbar {
  left: 70px;
}

/* Lado izquierdo */
.navbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  min-width: 0;
}

.navbar-toggle {
  background: none;
  color: var(--gray-600);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.navbar-toggle:hover {
  background-color: var(--gray-100);
}

.navbar-toggle svg {
  width: 22px;
  height: 22px;
}

.navbar-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-800);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Lado derecho */
.navbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.navbar-icon-btn {
  position: relative;
  background: none;
  color: var(--gray-500);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
}

.navbar-icon-btn:hover {
  background-color: var(--gray-100);
  color: var(--gray-700);
}

.navbar-icon-btn svg {
  width: 22px;
  height: 22px;
}

/* Notificaciones: wrapper y badge */
.notif-wrapper {
  position: relative;
}

.notif-badge {
  position: absolute;
  top: 0;
  right: 0;
  min-width: 18px;
  height: 18px;
  background-color: var(--danger);
  border-radius: var(--radius-full);
  border: 2px solid white;
  font-size: 0.65rem;
  font-weight: 700;
  color: white;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
}

.notif-badge.visible {
  display: flex;
}

/* Panel desplegable */
.notif-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 380px;
  max-height: 480px;
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.notif-panel.open {
  display: flex;
}

.notif-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.notif-panel-header h3 {
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.notif-mark-all {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: none;
  border: none;
  color: var(--primary);
  font-size: var(--font-size-xs);
  font-weight: 500;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.notif-mark-all:hover {
  background: var(--primary-light);
}

/* Lista de notificaciones */
.notif-list {
  flex: 1;
  overflow-y: auto;
  max-height: 400px;
}

.notif-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--gray-100);
  position: relative;
}

.notif-item:last-child {
  border-bottom: none;
}

.notif-item:hover {
  background: var(--gray-50);
}

.notif-item.unread {
  background: #f0f5ff;
}

.notif-item.unread:hover {
  background: #e8effd;
}

.notif-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--gray-100);
  color: var(--gray-500);
}

.notif-icon.pedido { background: #dbeafe; color: #2563eb; }
.notif-icon.stock { background: #fef3c7; color: #d97706; }
.notif-icon.cliente { background: #dcfce7; color: #16a34a; }
.notif-icon.alerta { background: #fee2e2; color: #dc2626; }
.notif-icon.sistema { background: #f3e8ff; color: #7c3aed; }

.notif-content {
  flex: 1;
  min-width: 0;
}

.notif-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-800);
  line-height: 1.3;
}

.notif-message {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-top: 2px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.notif-time {
  font-size: 0.7rem;
  color: var(--gray-400);
  margin-top: 4px;
}

.notif-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

.notif-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--gray-400);
}

.notif-empty svg {
  margin-bottom: 0.5rem;
  opacity: 0.5;
}

.notif-empty p {
  font-size: var(--font-size-sm);
}

.navbar-logout {
  background: none;
  color: var(--gray-500);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
}

.navbar-logout:hover {
  background-color: var(--danger-light);
  color: var(--danger);
}

.navbar-logout svg {
  width: 22px;
  height: 22px;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .navbar {
    left: 0;
    padding: 0 var(--spacing-md);
  }

  .navbar-title {
    font-size: var(--font-size-base);
  }

  .notif-panel {
    position: fixed;
    top: var(--navbar-height);
    right: 0;
    left: 0;
    width: 100%;
    max-height: calc(100vh - var(--navbar-height));
    border-radius: 0;
  }
}