* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: #f5f3ee; color: #1a1a1a; font-size: 14px; }
a { color: #5b6af0; }

#app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  min-height: 100vh;
  position: relative;
}

.card {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e8e4dc;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card-header {
  padding: 12px 16px;
  border-bottom: 1px solid #e8e4dc;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #faf8f4;
  gap: 8px;
}

.card-header h2 {
  font-size: 13px;
  font-weight: 600;
  color: #444;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 700px) {
  #app { grid-template-columns: 1fr; }
  #stats { grid-template-columns: repeat(2, 1fr); }
  .browser-cols { grid-template-columns: 1fr; height: auto; }
  .bcol { height: 200px; }
}