:root {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: #e2e8f0;
  background-color: #0b1120;
  line-height: 1.4;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: radial-gradient(circle at top, rgba(59, 130, 246, 0.3), #020617);
}

.login-card {
  width: min(420px, 100%);
  background: rgba(15, 23, 42, 0.9);
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  padding: 2rem;
  box-shadow: 0 30px 55px rgba(2, 6, 23, 0.65);
}

.login-card h1 {
  margin: 0 0 0.5rem;
}

.login-card p {
  margin: 0 0 1.5rem;
  color: #94a3b8;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.field label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
}

input {
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(2, 6, 23, 0.6);
  color: #e2e8f0;
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 1px #6366f1;
}

button {
  width: 100%;
  padding: 0.85rem;
  border-radius: 14px;
  border: none;
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #eff6ff;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(30, 64, 175, 0.45);
}

.form-message {
  min-height: 1.25rem;
  margin-top: 0.75rem;
  color: #f87171;
}