* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a1832;
  font-family: "Segoe UI", Arial, sans-serif;
  color: #e8e8e8;
}
.login-box {
  background: #0f2148;
  border: 1px solid #2a4a8a;
  border-radius: 10px;
  padding: 2.5rem 2.5rem 2rem;
  width: 340px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.login-box h1 {
  color: #ffd54a;
  font-size: 1.15rem;
  margin: 0 0 0.25rem;
  letter-spacing: 0.5px;
}
.login-box p.sub {
  color: #8ea4d0;
  font-size: 0.8rem;
  margin: 0 0 1.5rem;
}
.login-box label {
  display: block;
  font-size: 0.8rem;
  color: #b9c8e8;
  margin-bottom: 0.4rem;
}
.login-box input[type="password"],
.login-box input[type="text"] {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 6px;
  border: 1px solid #35548f;
  background: #061128;
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
}
.login-box input[type="password"]:focus,
.login-box input[type="text"]:focus {
  outline: none;
  border-color: #ffd54a;
}
.login-box button {
  width: 100%;
  padding: 0.65rem;
  border: none;
  border-radius: 6px;
  background: #2f6fe0;
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
}
.login-box button:hover { background: #3d7ef0; }
.flash-error {
  background: #4a1420;
  border: 1px solid #a33;
  color: #ffb0b0;
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}
.footnote {
  margin-top: 1.2rem;
  font-size: 0.7rem;
  color: #5b6f9a;
  text-align: center;
}