* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: #0b0f0e;
  color: #e5e7eb;
}

.dark {
  background: #0b0f0e;
}

.center {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.topbar {
  height: 64px;
  background: #020617;
  border-bottom: 1px solid #134e4a;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
}

.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: calc(100vh - 64px);
}

aside {
  background: #020617;
  border-right: 1px solid #134e4a;
  padding: 16px;
  overflow-y: auto;
}

main {
  padding: 0;
  background: #020617;
}

.btn-primary {
  background: linear-gradient(135deg,#22c55e,#14b8a6);
  border: none;
  color: black;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary:hover {
  opacity: 0.9;
}

.login-card {
  background: #020617;
  padding: 32px;
  border-radius: 16px;
  border: 1px solid #134e4a;
  text-align: center;
}