@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&display=swap');

body {
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  text-align: center;
  margin: 0;
  padding: 0;
  background: #f0f2f5;
}

#app {
  max-width: 800px;
  margin: 80px auto;
  padding: 30px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}

#timer-container {
  position: fixed;
  top: 20px;
  right: 30px;
  font-weight: bold;
  font-size: 18px;
  color: #333;
}

h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
  color: #222;
}

h3 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 20px;
  color: #444;
}

.answer {
  display: block;
  background-color: #ffffff;
  border: 2px solid #007bff;
  color: #007bff;
  padding: 18px 20px;
  margin: 12px auto;
  border-radius: 10px;
  width: 90%;
  max-width: 100%;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.answer:hover {
  background-color: #007bff;
  color: white;
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.answer:active {
  transform: scale(0.98);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 30px;
  font-size: 15px;
}

th, td {
  padding: 10px;
  border: 1px solid #ccc;
}

canvas {
  margin-top: 40px;
  max-width: 100%;
}

@media (max-width: 768px) {
  #app {
    margin: 40px 10px;
    padding: 20px;
  }

  .answer {
    font-size: 15px;
    padding: 15px 12px;
    width: 100%;
  }

  h2 {
    font-size: 20px;
  }

  h3 {
    font-size: 16px;
  }

  th, td {
    font-size: 14px;
  }
}


#timer {
  position: fixed;
  top: 10px;
  right: 20px;
  font-size: 20px;
  font-weight: bold;
  background: white;
  padding: 8px 12px;
  border: 2px solid #007bff;
  border-radius: 8px;
  z-index: 9999;
}

#progress-bar-container {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
  background: #e9ecef;
  z-index: 1000;
  height: 38px;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 0 0;
}

#progress-bar {
  height: 6px;
  background: #007bff;
  width: 0%;
  border-radius: 0 4px 4px 0;
  transition: width 0.4s cubic-bezier(.4,2,.6,1);
  margin-bottom: 2px;
  min-width: 0;
  max-width: 100vw;
}
#progress-text {
  font-size: 14px;
  color: #333;
  margin-bottom: 4px;
  margin-left: 12px;
}