/* ================================
   BACKGROUND HALAMAN
================================ */
body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: url('../images/bg-02.jpeg') no-repeat center center fixed;
  background-size: cover;
  position: relative;
}

/* overlay background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  z-index: 0;
}

/* ================================
   LOGIN BOX (TRANSPARAN)
================================ */
.login-box {
  position: relative;
  z-index: 1;
  max-width: 400px;
  margin: 100px auto;
  padding: 30px;
  border-radius: 16px;

  /* glass effect */
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  border: 1px solid rgba(255, 255, 255, 0.3);

  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);

  text-align: center;
  transition: all 0.3s ease;
}

/* ================================
   JUDUL LOGIN
================================ */
.login-box h2 {
  margin-bottom: 20px;
  color: #ffffff;
}

/* ================================
   TEXT KECIL (SMALL)
================================ */
.login-box small {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  color: #f1f5f9;
  opacity: 0.9;
}

/* link di small */
.login-box small a {
  color: #22c55e;
  text-decoration: none;
  font-weight: 500;
}

.login-box small a:hover {
  text-decoration: underline;
}

/* ================================
   SMALL DARK MODE
================================ */
@media (prefers-color-scheme: dark) {
  .login-box small {
    color: #e2e8f0;
  }

  .login-box small a {
    color: #4ade80;
  }
}

/* ================================
   INPUT FORM
================================ */
.login-box input[type='text'],
.login-box input[type='password'] {
  width: 100%;
  padding: 12px;
  margin: 10px 0;

  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.4);

  background: rgba(255, 255, 255, 0.3);
  color: #fff;

  font-size: 16px;
}

.login-box input::placeholder {
  color: #eee;
}

/* focus input */
.login-box input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 5px rgba(59, 130, 246, 0.5);
}

/* ================================
   BUTTON LOGIN
================================ */
.login-box button {
  width: 100%;
  padding: 12px;

  background: #22c55e;
  border: none;
  border-radius: 8px;

  color: white;
  font-size: 16px;
  cursor: pointer;

  transition: 0.3s;
}

.login-box button:hover {
  background: #16a34a;
}

/* ================================
   ERROR MESSAGE
================================ */
.error {
  color: #7f1d1d;
  background: rgba(255, 200, 200, 0.8);
  padding: 10px;
  border-radius: 6px;
  margin-bottom: 15px;
}

/* ================================
   DARK MODE
================================ */
@media (prefers-color-scheme: dark) {
  .login-box {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }

  .login-box input {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.3);
  }
}

/* ================================
   RESPONSIVE
================================ */
@media (max-width: 500px) {
  .login-box {
    margin: 60px 20px;
    padding: 25px;
  }

  .login-box h2 {
    font-size: 20px;
  }

  .login-box input,
  .login-box button {
    font-size: 14px;
  }
}