:root {
  --primary-color: #e0f2f7; /* Light blue for accents */
  --secondary-color: #88a0a8; /* Muted blue-gray for secondary text */
  --background-color: #1a1a2e; /* Dark background */
  --card-bg-color: #27273f; /* Slightly lighter dark for cards */
  --button-bg-color: #3b3b5b; /* Darker button background */
  --button-hover-bg-color: #4a4a70; /* Even darker on hover */
  --button-text-color: var(--primary-color);
  --text-color: var(--primary-color);
  --progress-bar-color: #6a8c9a; /* Muted blue for progress */
  --shadow-color: rgba(0, 0, 0, 0.5);

  --shadow-elevation-low:
    0 1px 2px -1px var(--shadow-color),
    0 1px 3px 0 var(--shadow-color);
  --shadow-elevation-medium:
    0 3px 5px -2px var(--shadow-color),
    0 7px 14px 3px var(--shadow-color);
  --shadow-elevation-high:
    0 6px 10px -3px var(--shadow-color),
    0 16px 24px 2px var(--shadow-color),
    0 8px 30px -6px var(--shadow-color);
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: flex-start; /* Align to top for better content visibility */
  min-height: 100vh;
  box-sizing: border-box;
  padding: 20px;
}

#app {
  width: 100%;
  max-width: 800px;
  background-color: var(--card-bg-color); /* Use card background for app container */
  border-radius: 15px;
  box-shadow: var(--shadow-elevation-high);
  overflow: hidden; /* Ensures rounded corners are respected */
  padding-bottom: 30px; /* Padding for bottom content */
}

header {
  background-color: #162447; /* Even darker header */
  color: var(--primary-color);
  padding: 25px;
  text-align: center;
  border-bottom: 2px solid var(--progress-bar-color);
}

header h1 {
  margin: 0;
  font-size: 2.5em;
  letter-spacing: 1px;
}

#progress-container {
  width: calc(100% - 40px); /* Adjust width for padding */
  height: 10px;
  background-color: var(--button-bg-color);
  border-radius: 5px;
  margin: 20px auto;
  overflow: hidden;
  box-shadow: inset var(--shadow-elevation-low);
}

#progress-bar {
  height: 100%;
  width: 0%;
  background-color: var(--progress-bar-color);
  border-radius: 5px;
  transition: width 0.3s ease-in-out;
}

#content {
  padding: 20px;
  min-height: 250px; /* Ensure content area has a minimum height */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.result-screen {
  text-align: center;
  padding: 30px;
  animation: fadeIn 0.8s ease-out;
}

.result-screen h2 {
  color: var(--primary-color);
  font-size: 2.2em;
  margin-bottom: 20px;
}

.result-screen p {
  font-size: 1.2em;
  line-height: 1.6;
  color: var(--secondary-color);
  max-width: 600px;
  margin: 0 auto 30px auto;
}

.result-screen button {
  background-color: var(--progress-bar-color);
  border: none;
  padding: 12px 25px;
  font-size: 1.1em;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.result-screen button:hover {
  background-color: #5a7d8a;
  transform: translateY(-1px);
}

@media (max-width: 600px) {

  header h1 {

    font-size: 1.8em;

  }



  #app {

    margin: 10px;

    border-radius: 10px;

  }



  #content {

    padding: 15px;

  }

}



.start-screen {

  text-align: center;

  padding: 30px;

  animation: fadeIn 0.8s ease-out;

}



.start-screen h2 {

  color: var(--primary-color);

  font-size: 2em;

  margin-bottom: 20px;

}



.start-screen p {

  font-size: 1.2em;

  line-height: 1.6;

  color: var(--secondary-color);

  max-width: 500px;

  margin: 0 auto 30px auto;

}



.start-screen button {

  background-color: var(--progress-bar-color);

  color: var(--button-text-color);

  border: none;

  padding: 15px 30px;

  font-size: 1.2em;

  border-radius: 8px;

  cursor: pointer;

  transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;

  box-shadow: var(--shadow-elevation-medium);

}



.start-screen button:hover {

  background-color: #5a7d8a;

  transform: translateY(-2px);

}