:root {
  color-scheme: light;
  font-family: Inter, Arial, sans-serif;
  background: #f3f6f9;
  color: #0f172a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 20%, #dff4ff 0, transparent 35%),
    radial-gradient(circle at 85% 80%, #dff9ef 0, transparent 35%),
    #f5f7fa;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(100%, 430px);
  padding: 38px;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #082f49;
  color: white;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.eyebrow {
  margin: 24px 0 8px;
  color: #0284c7;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

h1 {
  margin: 0;
  font-size: 30px;
}

.description {
  margin: 12px 0 28px;
  color: #64748b;
  line-height: 1.7;
}

label {
  display: block;
  margin: 17px 0 7px;
  font-size: 14px;
  font-weight: 700;
}

input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  background: white;
  font: inherit;
  direction: ltr;
}

input:focus {
  outline: 3px solid rgba(14, 165, 233, 0.18);
  border-color: #0284c7;
}

button {
  width: 100%;
  min-height: 50px;
  margin-top: 24px;
  border: 0;
  border-radius: 10px;
  background: #075985;
  color: white;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.message {
  min-height: 22px;
  margin: 14px 0 0;
  color: #b91c1c;
  font-size: 14px;
}

.security-note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid #e2e8f0;
  color: #64748b;
  font-size: 12px;
  text-align: center;
}