:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(16, 185, 129, 0.2) 0, transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.2) 0, transparent 45%), #f7fafc;
  font-family: 'Segoe UI', Tahoma, sans-serif;
}

.login-page {
  width: min(92vw, 420px);
}

.login-card {
  border: 1px solid #dbe4f0;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.12);
  padding: 2rem 1.5rem;
  text-align: center;
}

.brand-title {
  margin: 0 0 1.5rem;
  font-size: clamp(2.2rem, 8vw, 3rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: linear-gradient(120deg, #0f766e 0%, #2563eb 55%, #c2410c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-subtitle {
  margin: 0 0 1rem;
  color: #425466;
}

.login-button {
  appearance: none;
  border: 0;
  border-radius: 0.65rem;
  padding: 0.7rem 1.2rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(110deg, #0f766e 0%, #2563eb 100%);
  cursor: pointer;
}