body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
.top-bar {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 5px;
}
.navbar {
  background: #0073e6;
}
.navbar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}
.navbar ul li {
  margin: 0;
}
.navbar ul li a {
  color: #fff;
  padding: 10px 15px;
  display: block;
  text-decoration: none;
}
.hero {
  background: #f2f2f2;
  text-align: center;
  padding: 50px 20px;
}
section {
  padding: 20px;
}
footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 15px;
}

.page-header {
  background: #f4f4f4;
  text-align: center;
  padding: 20px;
  margin-bottom: 20px;
}

.mcq-categories ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
}
.mcq-categories ul li {
  background: #0073e6;
  border-radius: 5px;
}
.mcq-categories ul li a {
  color: #fff;
  display: block;
  padding: 10px 15px;
  text-decoration: none;
}
.mcq-categories ul li a:hover {
  background: #005bb5;
}

.hero {
  background: url('../images/banner.jpg') no-repeat center center/cover;
  color: #fff;
  text-align: center;
  padding: 80px 20px;
}
.hero-content h1 {
  font-size: 2.5rem;
}
.hero-content p {
  font-size: 1.2rem;
  margin: 10px 0;
}
.btn {
  display: inline-block;
  background: #0073e6;
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  margin-top: 15px;
  border-radius: 5px;
}
.btn:hover {
  background: #005bb5;
}

.home-section {
  padding: 40px 20px;
}
.home-section h2 {
  text-align: center;
  margin-bottom: 20px;
}
.grid {
  display: grid;
}
.card {
  background: #f4f4f4;
  padding: 20px;
  text-align: center;
  border-radius: 8px;
  transition: 0.3s;
}
.card:hover {
  background: #0073e6;
}
.card a {
  color: #000;
  text-decoration: none;
  font-weight: bold;
}
.card:hover a {
  color: #fff;
}
.news ul {
  list-style: none;
  padding: 0;
}
.news ul li {
  margin: 8px 0;
}
.news ul li a {
  text-decoration: none;
  color: #0073e6;
}
.news ul li a:hover {
  text-decoration: underline;
}
.about {
  background: #f9f9f9;
  border-radius: 8px;
}

/* Admin Login Box */
.login-box {
  width: 350px;
  margin: 100px auto;
  padding: 30px;
  border-radius: 10px;
  background: #f4f4f4;
  box-shadow: 0 0 15px rgba(0,0,0,0.2);
  text-align: center;
}

.login-box h2 {
  margin-bottom: 25px;
  color: #0073e6;
}

.login-box input[type="text"],
.login-box input[type="password"] {
  width: 90%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 15px;
}

.login-box button {
  width: 95%;
  padding: 10px;
  background: #0073e6;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 10px;
}

.login-box button:hover {
  background: #005bb5;
}

.login-box p.error {
  color: red;
  margin-bottom: 15px;
  font-weight: bold;
}

/* Admin Dashboard */
body {
  font-family: Arial, sans-serif;
  background: #f4f7f9;
  margin: 0;
  padding: 0;
}

.admin-header {
  background: #0073e6;
  color: #fff;
  padding: 20px 30px;
  text-align: center;
  font-size: 22px;
  font-weight: bold;
}

.admin-sidebar {
  width: 220px;
  background: #fff;
  border-right: 1px solid #ddd;
  position: fixed;
  top: 70px;
  bottom: 0;
  left: 0;
  padding-top: 20px;
}

.admin-sidebar ul {
  list-style: none;
  padding: 0;
}

.admin-sidebar ul li {
  margin-bottom: 10px;
}

.admin-sidebar ul li a {
  display: block;
  padding: 12px 20px;
  color: #0073e6;
  text-decoration: none;
  font-weight: bold;
  border-left: 4px solid transparent;
  transition: 0.3s;
}

.admin-sidebar ul li a:hover {
  background: #f0f4f8;
  border-left: 4px solid #0073e6;
  color: #005bb5;
}

.admin-content {
  margin-left: 240px;
  padding: 30px;
}

.admin-content h1 {
  color: #0073e6;
}

.admin-content table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background: #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.admin-content table th,
.admin-content table td {
  padding: 12px 15px;
  border: 1px solid #ddd;
  text-align: left;
}

.admin-content table th {
  background: #0073e6;
  color: #fff;
}

.admin-content table tr:nth-child(even) {
  background: #f9f9f9;
}

.logout-btn {
  display: inline-block;
  padding: 8px 15px;
  background: #ff4d4d;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  float: right;
}

.logout-btn:hover {
  background: #cc0000;
}

.btn {
  display: inline-block;
  background: #0073e6;
  color: #fff;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}
.btn:hover {
  background: #005bb5;
}

.home-section .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
}

.home-section .card {
  background: #f4f4f4;
  padding: 20px;
  text-align: center;
  border-radius: 8px;
  transition: 0.3s;
}

.home-section .card:hover {
  background: #0073e6;
}

.home-section .card a {
  color: #000;
  text-decoration: none;
  font-weight: bold;
}

.home-section .card:hover a {
  color: #fff;
}

/* Two Columns Layout for Home Page */
.grid-2columns {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 40px 20px;
}

.column {
  flex: 1;
  min-width: 280px;
  background: #f4f4f4;
  padding: 20px;
  border-radius: 8px;
  transition: 0.3s;
}

.column h2 {
  text-align: center;
  color: #0073e6;
  margin-bottom: 15px;
}

.column ul {
  list-style: none;
  padding: 0;
}

.column ul li {
  margin-bottom: 10px;
}

.column ul li a {
  text-decoration: none;
  color: #0073e6;
  font-weight: bold;
}

.column ul li a:hover {
  color: #005bb5;
}

.column .btn {
  display: block;
  margin: 15px auto 0 auto;
  width: 60%;
  text-align: center;
}

/* Responsive */
@media(max-width:768px){
  .grid-2columns {
    flex-direction: column;
  }
}

.hero {
  position: relative;
  background: url('../images/banner.jpg') no-repeat center center/cover;
  height: 300px; /* height adjust kar sakte ho */
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff; /* white text */
}

.hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.5); /* overlay darken for better text visibility */
}

.hero-content {
  position: relative; /* so text stays above overlay */
  z-index: 2;
}

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.hero-content .btn {
  padding: 10px 25px;
  background: #0073e6;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
}

.hero-content .btn:hover {
  background: #005bb5;
}

/* Left-Right Columns */
.grid-2columns {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 40px 20px;
}

.column {
  flex: 1;
  min-width: 280px;
  background: #f4f4f4;
  padding: 20px;
  border-radius: 8px;
  transition: 0.3s;
}

.column h2 {
  text-align: center;
  color: #0073e6;
  margin-bottom: 15px;
}

/* MCQs & Past Papers list */
.column ul {
  list-style: none;
  padding: 0;
}

.column ul li {
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 5px;
  transition: 0.3s;
}

.column ul li a {
  text-decoration: none;
  color: #0073e6;
  font-weight: bold;
  display: block;
}

.column ul li:hover {
  background: #0073e6;
}

.column ul li:hover a {
  color: #fff;
}

/* Button */
.column .btn {
  display: inline-block;
  background: #0073e6;
  color: #fff;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  margin-top: 10px;
}

.column .btn:hover {
  background: #005bb5;
}

/* Responsive */
@media(max-width:768px){
  .grid-2columns {
    flex-direction: column;
  }
}

.quiz-container h2 {
  font-weight: 700;
}

.mcq-box label {
  display: block;
  padding: 5px 0;
}

.result-box {
  max-width: 500px;
  margin: 0 auto;
}

select.form-control {
  border-radius: 8px;
}