/* General styles */

body {
  margin: 0;
  font-family: monospace;
  background-color: #1e1e2f;
  color: #f5f5f5;
}

/* Navbar Styles */
nav {
  background-color: #2b2b40;
  padding: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.5em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}

nav a {
  color: #f5f5f5;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  color: #3b82f6;
}
/* General sections style */
section {
  padding: 20px;
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.2em;
}

/* Home styles */
.home-section {
  padding: 20px;
  text-align: center;
  font-size: 1.5em;
}

.disclaimer {
  font-size: 0.9em;
  color: #aaa;
  margin-top: 20px;
}

.features {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  padding: 20px;
  flex-wrap: wrap;
  max-width: 1200px;
}

.feature-card {
  background: #2b2b40;
  padding: 20px;
  border-radius: 8px;
  width: 250px;
  text-align: center;
}

.feature-card h3 {
  margin-bottom: 10px;
  color: #3b82f6;
}


.practicing-home {
  margin-top: 50px;
  text-align: center;
}

.start-button {
  margin-top: 10px;
  display: inline-block;
  background-color: #3b82f6;
  color: white;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 1.2em;
  transition: 0.3s ease;
}

.start-button:hover {
  background-color: #2563eb;
}


/* Practice Section styles */
.question-card, .answer-card {
  background-color: #2b2b40;
  padding: 20px;
  border-radius: 8px;
  margin-top: 2rem;
  margin-bottom: 20px;
}

.answer-card{
  font-size: 1.2em;
}

button {
  background-color: #3b82f6;
  color: white;
  padding: 10px 20px;
  border: none;
  margin-top: 10px;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #2563eb;
}

textarea {
  width: 100%;
  max-width: 800px;
  min-height: 100px;
  max-height: 300px;
  padding-top: 5px;
  border-radius: 4px;
  border: none;
  background-color: #1e1e2f;
  color: #f5f5f5;
  font-family: monospace;
  resize: vertical; 
}

textarea:focus {
  outline: none;
  border: 1px solid #3b82f6;
}

.username-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(30, 30, 47, 0.95);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.username-form {
  background: #2b2b40;
  padding: 30px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.username-label{
  color: #f5f5f5;
}

.username-input {
  padding: 8px;
  border-radius: 4px;
  border: none;
  font-size: 1em;
}

.username-button {
  padding: 8px 16px;
}

.notification-popup {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #2b2b40;
  color: #f5f5f5;
  padding: 20px 40px;
  border-radius: 8px;
  z-index: 2000;
  font-size: 1.2em;
  box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2);
}

.filters {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.filters label {
  font-weight: bold;
}
.filters select{
  padding: 5px;
  border-radius: 4px;
  border: none;
  font-size: 1em;
}

.filter-button{
  padding: 8px 16px;
  margin-bottom: 10px;
  font-size: 1em;
}


.confirm-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(30, 30, 47, 0.9);
  z-index: 1001;
  justify-content: center;
  align-items: center;
}

.confirm-box {
  background: #2b2b40;
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  max-width: 400px;
  color: #f5f5f5;
}

.confirm-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

/* My history Styles */
.delete-button {
  font-size: 1.2em;
  padding: 8px 16px;  
  border-radius: 50px;  
  transition: background-color 0.3s ease;  
}

.delete-button:hover {
  background-color: #1b5bc4;  
}

/* Responsive design */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
    font-size: 1.2em;
  }

  nav ul {
    flex-direction: column;
    gap: 10px;
    width: 100%;
    margin-top: 10px;
  }

  .features {
    flex-direction: column;
    align-items: center;
  }

  .feature-card {
    width: 90%;
  }

  section,
  .home-section {
    padding: 10px;
    font-size: 1em;
  }

  .start-button {
    font-size: 1em;
    padding: 12px 24px;
  }

  textarea {
    max-width: 100%;
  }

  .confirm-box {
    width: 90%;
  }

  .filters {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .filter-button {
    width: 100%;
  }

  .question-card,
  .answer-card {
    padding: 15px;
  }

  button {
    width: 100%;
    padding: 10px;
  }

  .username-form {
    width: 90%;
  }

  .notification-popup {
    width: 90%;
    padding: 15px 20px;
    font-size: 1em;
  }
}

@media (max-width: 480px) {
  nav {
    font-size: 1em;
  }

  .feature-card {
    padding: 15px;
  }

  .start-button {
    padding: 10px 20px;
    font-size: 0.95em;
  }

  .delete-button {
    font-size: 1em;
    padding: 6px 12px;
  }
}