:root {
      --primary: #0a192f;
      --secondary: #64ffda;
      --white: #ffffff;
      --bg-light: #112240;
      --input-bg: #1c2b40;
      --font: 'Poppins', sans-serif;
    }
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font);
}

body {
  background: linear-gradient(135deg, var(--primary), var(--bg-light));
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  color: var(--white);
  animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
  0% { opacity: 0; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1); }
}

.login-box {
  background-color: rgba(26, 26, 26, 0.95); /* matches primary */
  padding: 40px;
  border-radius: 15px;
  width: 90%;
  max-width: 450px;
  box-shadow: 0 0 15px rgba(0,0,0,0.5);
  animation: slideUp 0.6s ease;
}

@keyframes slideUp {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

h2 {
  text-align: center;
  margin-bottom: 25px;
  font-weight: 600;
  font-size: 22px;
  color: var(--secondary);
}

.brand-logo {
  font-weight: 700;
  color: var(--secondary);
  background: linear-gradient(45deg, #ffb347, #ffd166); /* gold gradient */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px;
}

.input-group {
  position: relative;
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: #cfcfcf;
}

.input-group input {
  width: 100%;
  padding: 12px 15px 12px 45px;
  border: none;
  border-radius: 10px;
  background-color: var(--input-bg);
  color: var(--white);
  font-size: 15px;
  transition: all 0.3s;
}

.input-group input:focus {
  outline: none;
  background-color: #4a4a4a;
  border: 1px solid var(--secondary);
}

.input-group i.fa {
  position: absolute;
  left: 15px;
  top: 70%;
  transform: translateY(-50%);
  color: #bbb;
  font-size: 16px;
  pointer-events: none;
}

.toggle-icon {
  position: absolute;
  right: 15px;
  top: 70%;
  transform: translateY(-50%);
  cursor: pointer;
  color: #bbb;
  font-size: 16px;
}

.btn {
  width: 100%;
  background-color: var(--secondary);
  border: none;
  padding: 12px;
  border-radius: 10px;
  color: var(--primary);
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}

.btn:hover {
  background-color: #e69a2d; /* darker gold */
}

.footer-text {
  margin-top: 20px;
  text-align: center;
  font-size: 14px;
  color: #ccc;
}

.footer-text a {
  color: var(--secondary);
  text-decoration: none;
}

@media (max-width: 480px) {
  .login-box {
    padding: 25px;
  }
}