/* Reset default styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #ffffff;
}

/* Fixed Top Navigation Bar */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #ffffff; /* White background */
  height: 60px; /* Fixed height */
  z-index: 1000; /* Ensure topbar stays on top */
  border-bottom: 1px solid #1e6ea2;
  padding: 0 20px;
}

/* Fixed Bottom Navigation Bar */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #ffffff; /* White background */
  height: 60px; /* Fixed height */
  z-index: 1000; /* Ensure navbar stays on top */
  border-top: 1px solid #1e6ea2;
}

/* Content container */
.content {
  padding: 20px;
  margin-top: 70px; /* Space for fixed topbar */
  margin-bottom: 70px; /* Space for fixed navbar */
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Search Bar */
.search-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.search-bar input {
  width: 75%;
  padding: 10px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

.search-bar button {
  margin-left: 5px;
  padding: 10px 15px;
  font-size: 16px;
  background-color: #87c8f0;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.search-bar button:hover {
  background-color: #76b8e0;
}

/* Unit Section */
.unit {
  background-color: #87c8f0;
  color: white;
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 5px;
}

.unit h2 {
  margin-bottom: 5px;
}

.unit p {
  margin: 0;
  font-size: 18px;
}

/* Lessons Section */
.lessons {
  display: flex;
  flex-direction: column; /* Stack lesson divs */
  gap: 10px; /* Space between lessons */
}

/* Individual Lesson */
.lesson {
  background-color: #ecedf3; /* Light gray background */
  padding: 15px;
  border-radius: 5px;
  color: #333;
  font-size: 18px;
  text-align: left; /* Align text to the left */
  box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1); /* Add slight shadow for depth */
}

/* Test Section */
.test {
  background-color: #87c8f0;
  color: white;
  padding: 15px;
  margin-top: 20px;
  border-radius: 5px;
  text-align: left;
}
.test h2 {
  margin-bottom: 5px;
}

.test p {
  margin: 0;
  font-size: 18px;
}

/* Lessons Section */
/* Lessons Section */
.lessons {
  margin-bottom: 20px; /* Add spacing below the section */
}

.lesson {
  background-color: #ecedf3; /* Light gray background */
  padding: 15px 20px 15px 50px; /* Add space for decoration on the left */
  margin-bottom: 10px; /* Add spacing between lessons */
  border-radius: 5px; /* Rounded corners */
  position: relative; /* Position relative for decoration placement */
}

.lesson h3 {
  margin: 0; /* Remove default margin */
  font-size: 20px; /* Font size for lesson titles */
  color: #333; /* Text color */
}

.lesson p {
  margin: 5px 0 0; /* Add spacing below the title */
  color: #666; /* Subdued text color for the description */
}

/* Left-side decoration: circle and line */
.lesson::before {
  content: "";
  position: absolute;
  top: 20px; /* Align the circle vertically */
  left: 20px; /* Position the circle */
  width: 15px;
  height: 15px;
  background-color: #1e6ea2; /* Circle color */
  border-radius: 50%; /* Make it a circle */
}

.lesson::after {
  content: "";
  position: absolute;
  top: 35px; /* Place line below the circle */
  left: 27px; /* Align with the circle center */
  width: 2px; /* Line width */
  height: calc(100% - 45px); /* Dynamic height based on content */
  background-color: #1e6ea2; /* Line color */
}
/* modal for lesson 1 */

/* Fullscreen Modal */
.modal {
  display: none; /* Hidden by default */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9); /* Dark semi-transparent overlay */
  z-index: 1000;
  overflow-y: auto; /* Enable scrolling for long content */
}

/* Fullscreen Modal Content */
.modal-content {
  background: linear-gradient(145deg, #ffffff, #f0f4f9); /* Subtle gradient */
  width: 100%;
  height: 100%;
  padding: 30px 15px; /* Adjust padding for better layout */
  display: flex;
  flex-direction: column;
  justify-content: flex-start; /* Align content at the top */
  gap: 20px; /* Space between content */
  position: relative; /* Relative positioning for absolute elements */
}

/* Close Button */
.close-button {
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  color: #555;
  background: none;
  border: none;
  text-align: left;
}

.close-button:hover {
  color: #1e6ea2;
}

/* Quiz Heading */
.modal-content h2 {
  color: #1e6ea2;
  font-size: 24px;
  margin: 0; /* Remove excess margins */
  padding: 15px 0; /* Consistent padding */
  text-align: center;
  border-bottom: 2px solid #1e6ea2; /* Subtle underline */
}

/* Quiz Section Styling */
.quiz-section {
  flex: none; /* Prevent stretching */
  display: flex;
  flex-direction: column;
  justify-content: flex-start; /* Align activities at the top */
  gap: 20px; /* Space between activities */
}

/* Activity Heading */
.activity h3 {
  color: #1e6ea2;
  font-size: 36px;
  margin-top: 5px;
  margin-bottom: 30px;
  text-align: center;
}

/* Choices Section */
ul.matching-quiz {
  list-style-type: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 15px; /* Add spacing between options */
}

/* Choice Option as Divs */
ul.matching-quiz li {
  padding: 15px;
  font-size: 18px;
  background-color: #f9f9fc; /* Light background for options */
  border: 1px solid #ccc;
  border-radius: 5px;
  color: #333;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.3s, transform 0.2s;
}

ul.matching-quiz li:hover {
  background-color: #87c8f0; /* Highlighted on hover */
  color: #fff;
  transform: scale(1.02); /* Slight pop effect */
}

ul.matching-quiz li.selected {
  background-color: #1e6ea2; /* Selected state */
  color: #fff;
}

/* Submit Button */
.next-button,
.submit-quiz {
  background-color: #1e6ea2;
  color: white;
  border: none;
  padding: 15px;
  border-radius: 10px;
  font-size: 18px;
  cursor: pointer;
  transition: background-color 0.3s;
  width: 90%; /* Centered button width */
  max-width: 600px;
  margin: 20px auto; /* Center horizontally and add space */
  position: absolute; /* Position the button at the bottom */
  bottom: 30px; /* Space from the bottom edge */
  left: 50%; /* Center horizontally */
  transform: translateX(-50%); /* Align to center */
}

.next-button:hover,
.submit-quiz:hover {
  background-color: #155480;
}

/* Option Container */
.options {
  display: flex;
  flex-direction: column; /* Stack options vertically */
  gap: 15px; /* Add spacing between options */
  margin-top: 20px;
}

/* Individual Option Box */
.option {
  padding: 15px;
  background-color: #f9f9fc; /* Light background */
  border: 2px solid #ddd; /* Subtle border */
  border-radius: 10px; /* Rounded corners */
  text-align: center;
  font-size: 18px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}

/* Hover Effect */
.option:hover {
  background-color: #87c8f0; /* Highlighted background */
  color: #fff; /* White text on hover */
  transform: scale(1.05); /* Slight zoom effect */
}

/* Selected State */
.option.selected {
  background-color: #87c8f0; /* Selected background */
  color: #fff; /* White text for selected option */
  border-color: #1e6ea2; /* Highlight border */
}
/* Prevent background scrolling */
.no-scroll {
  overflow: hidden;
  height: 100%; /* Optional: Ensures no extra scrolling */
}
/* Question 2 */

.sentence {
  display: flex; /* Align speaker and sentence horizontally */
  align-items: center; /* Vertically center speaker with text */
  gap: 10px; /* Space between the speaker button and the sentence */
}

.speaker-button {
  background-color: #1e6ea2; /* Blue background */
  border: none;
  padding: 10px;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  display: flex;
  justify-content: center; /* Center icon inside button */
  align-items: center; /* Center icon inside button */
}

.speaker-button img {
  width: 25px; /* Icon size */
  height: 25px;
}

.speaker-button:hover {
  background-color: #155480; /* Darker blue on hover */
  transform: scale(1.1); /* Slight zoom effect */
}

#answerInput {
  width: 100%; /* Full width */
  padding: 12px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 5px;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#answerInput:focus {
  border-color: #1e6ea2; /* Blue border on focus */
  box-shadow: 0 0 5px rgba(30, 110, 162, 0.5); /* Subtle shadow */
}

.activity {
  margin-top: 40px;
  display: flex; /* Align elements horizontally */
  align-items: center; /* Vertically center elements */
  gap: 15px; /* Space between elements */
  flex-wrap: wrap; /* Allow elements to wrap to the next line if needed */
}

.speaker-button {
  background-color: #1e6ea2; /* Blue background */
  border: none;
  padding: 10px;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  display: flex;
  justify-content: center; /* Center icon inside button */
  align-items: center; /* Center icon inside button */
}

.speaker-button img {
  width: 25px;
  height: 25px;
}

.speaker-button:hover {
  background-color: #155480; /* Darker blue on hover */
  transform: scale(1.1); /* Slight zoom effect */
}

h3.sentence {
  margin: 0; /* Remove default margins */
  font-size: 1.5rem;
  color: #333;
}

#answerInput {
  padding: 12px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 5px;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  flex-grow: 1; /* Make input field grow to fill remaining space */
  min-width: 200px; /* Ensure a minimum size for smaller screens */
}

#answerInput:focus {
  border-color: #1e6ea2; /* Blue border on focus */
  box-shadow: 0 0 5px rgba(30, 110, 162, 0.5); /* Subtle shadow */
}

/* Question 1 Specific Styling */
.question1-activity {
  display: flex;
  flex-direction: column; /* Stack items vertically */
  align-items: center; /* Center the word "Country" */
  gap: 20px; /* Add space between "Country" and options */
}

.options {
  display: flex;
  flex-direction: column; /* Stack options vertically */
  gap: 10px; /* Space between options */
  width: 100%; /* Ensure options take full width of container */
}

.option {
  padding: 15px;
  background-color: #f9f9fc; /* Light background */
  border: 1px solid #ccc;
  border-radius: 5px;
  text-align: center;
  font-size: 18px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}

.option:hover {
  background-color: #87c8f0; /* Highlighted background */
  color: #fff; /* White text on hover */
  transform: scale(1.05); /* Slight zoom effect */
}

.option.selected {
  background-color: #87c8f0; /* Selected background */
  color: #fff; /* White text for selected option */
  border-color: #1e6ea2; /* Highlight border */
}

/* Adjusting Activity Styling for Question 2 */
.activity {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
}

.activity input {
  margin-top: 15px;
}