/* ===== Global Reset ===== */
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #eef2f7; /* Light grey background */
  position: relative;   /* Important for positioning the back button */
}

/* ===== Back Button (Upper Left) ===== */
.back-btn {
  position: absolute;
  top: 30px;
  left: 30px;
  text-decoration: none;
  background-color: #ffffff;
  color: #004080; /* Matches the theme blue */
  padding: 10px 20px;
  border-radius: 30px; /* Pill shape */
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 8px; /* Space between arrow and text */
  transition: all 0.3s ease;
  z-index: 1000; /* Ensures it stays on top of everything */
}

.back-btn:hover {
  background-color: #004080;
  color: #ffffff;
  transform: translateX(-3px);
  box-shadow: 0 6px 15px rgba(0, 64, 128, 0.2);
}

/* ===== Login Container ===== */
.login-container {
  display: flex;
  width: 900px;
  height: 550px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  border-radius: 14px;
  overflow: hidden;
  background: white;
}

/* ===== Left Section (Image) ===== */
.left-section {
  flex: 1;
  /* Make sure this path is correct */
  background: url("../image/bg_img.jpg") no-repeat center center;
  background-size: cover;
  position: relative;
}

.left-section .overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 38, 77, 0.85); /* Dark Blue Overlay */
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 50px;
}

.left-section h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 15px;
}

.left-section p {
  font-size: 16px;
  opacity: 0.9;
  line-height: 1.5;
}

/* ===== Right Section (Form) ===== */
.right-section {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #ffffff;
  padding: 40px;
}

.login-form {
  width: 100%;
  max-width: 320px;
}

.login-form h2 {
  text-align: center;
  color: #003366;
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 26px;
}

.login-form .subtitle {
  text-align: center;
  font-size: 14px;
  color: #666;
  margin-bottom: 30px;
}

label {
  display: block;
  font-weight: 600;
  color: #333;
  margin-top: 15px;
  margin-bottom: 6px;
  font-size: 14px;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  box-sizing: border-box; 
  transition: border 0.3s, box-shadow 0.3s;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: #004080;
  box-shadow: 0 0 0 3px rgba(0, 64, 128, 0.1);
}

/* Login Button */
.login-btn {
  width: 100%;
  margin-top: 25px;
  padding: 12px;
  background: linear-gradient(135deg, #004080, #0074d9);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.login-btn:hover {
  background: linear-gradient(135deg, #003366, #005bb5);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 64, 128, 0.2);
}

.login-btn:active {
  transform: scale(0.98);
}

/* Links & Footer */
.links {
  text-align: center;
  margin-top: 15px;
}

.links a {
  text-decoration: none;
  color: #004080;
  font-size: 13px;
  font-weight: 500;
}

.links a:hover {
  text-decoration: underline;
}

.footer {
  text-align: center;
  margin-top: 40px;
  font-size: 12px;
  color: #999;
}

/* ===== Responsive Design ===== */
@media (max-width: 900px) {
  .login-container {
    width: 90%;
    max-width: 450px;
    height: auto;
    flex-direction: column;
  }

  .left-section {
    display: none; /* Hide image on mobile for a cleaner look */
  }

  .right-section {
    padding: 40px 30px;
  }
  
  .back-btn {
    top: 20px;
    left: 20px;
  }
}