body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.container {
  width: min(460px, 100%);
  background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.14);
  border-top: 1px solid rgba(255,255,255,.22);
  border-radius: 22px;
  box-shadow: 0 22px 60px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.14);
  padding: 28px 24px;
  color: rgba(255,255,255,.92);
}

h1 {
  margin: 0 0 8px;
  text-align: center;
  font-family: "Fraunces", ui-serif, Georgia, serif;
  color: #fff;
}

.subtitle {
  margin: 0 0 20px;
  text-align: center;
  color: rgba(255,255,255,.72);
}

label {
  color: rgba(255,255,255,.88);
  font-weight: 700;
}

input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.92);
  font-family: inherit;
}

input::placeholder { color: rgba(255,255,255,.45); }

input:focus {
  outline: none;
  border-color: rgba(0,212,255,.62);
  box-shadow: 0 0 0 4px rgba(0,212,255,.12);
  background: rgba(255,255,255,.12);
}

.btn {
  width: 100%;
  border-radius: 999px;
  border: 1px solid rgba(0,212,255,.35);
  background: linear-gradient(135deg, rgba(0,212,255,.95), rgba(255,61,127,.78));
  color: #070812;
  font-weight: 800;
  box-shadow: 0 12px 32px rgba(0,212,255,.24), 0 12px 36px rgba(255,61,127,.16);
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 16px 44px rgba(0,212,255,.30), 0 16px 56px rgba(255,61,127,.20);
}

.error {
  background: rgba(255,123,159,.12);
  border: 1px solid rgba(255,123,159,.35);
  color: #ffd6e2;
  border-radius: 12px;
}

.links, .divider { color: rgba(255,255,255,.72); }
.links a { color: rgba(255,255,255,.92); border-bottom: 1px solid rgba(255,255,255,.25); text-decoration: none; }