:root {
  --google-blue: #1a73e8;
  --google-bg: #f1f3f4;
  --card-bg: #ffffff;
  --danger: #d93025;
  --warning: #f9ab00;
  --success: #188038;
}

body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--google-bg);
  margin: 0;
  padding-top: 64px;
}

.app-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--card-bg);
  box-shadow: 0 1px 4px rgba(0,0,0,.1);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 100;
}

.app-bar .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: #202124;
}

.app-bar .brand-icon {
  background: var(--google-blue);
  color: #fff;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.app-bar-nav {
  margin-left: 24px;
  display: flex;
  gap: 12px;
  flex: 1;
}

.app-bar-nav a {
  text-decoration: none;
  color: #5f6368;
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.9rem;
}

.app-bar-nav a.active {
  background: rgba(26,115,232,.12);
  color: var(--google-blue);
}

.app-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
  color: #5f6368;
}

.card-google {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(60,64,67,.15);
  padding: 16px 18px;
  margin-bottom: 16px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 500;
}

.status-normal {
  background: rgba(24,128,56,.08);
  color: var(--success);
}

.status-low {
  background: rgba(249,171,0,.12);
  color: var(--warning);
}

.status-high {
  background: rgba(217,48,37,.12);
  color: var(--danger);
}

.status-no-data {
  background: rgba(95,99,104,.12);
  color: #5f6368;
}