* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.quiz-container {
  background-color: var(--primary-light);
  border: 1px solid var(--tertiary-base);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 2rem;
  padding: 2rem;
}

.quiz-container > * {
  width: 100%;
}

.hidden {
  display: none;
}

/* BUTTONS */
.btn {
  font-size: 1.8rem;
  padding: 1rem 0;
  width: 20rem;
  text-align: center;
  border: 0.1rem solid var(--tertiary-shade);
  margin-bottom: 1rem;
  text-decoration: none;
  color: var(--primary-shade);
}

.btn:hover {
  cursor: pointer;
  box-shadow: 0 0.4rem 1.4rem 0 var(--tertiary-tint);
  transform: translateY(-0.1rem);
  transition: transform 150ms;
}

.btn[disabled]:hover {
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.next-button {
  margin-top: 2rem;
}

.choice-container-outer {
  display: flex;
  margin-top: 0.5rem;
  width: 100%;
  font-size: 1.8rem;
  align-items: center;
}

.choice-container-inner {
  display: flex;
  margin-bottom: 0.5rem;
  width: 100%;
  font-size: 1.8rem;
  border: 0.1rem solid var(--primary-shade);
  background-color: var(--gray-tint);
}

.choice-container-inner:hover {
  cursor: pointer;
  box-shadow: 0 0.4rem 1.4rem 0 var(--primary-tint);
  transform: translateY(-0.1rem);
  transition: transform 150ms;
}

.choice-prefix {
  padding: 1.5rem 2.5rem;
  background-color: var(--primary-base);
  color: var(--white);
}

.choice-text {
  padding: 1.5rem;
  width: 100%;
}

.correct {
  background-color: var(--green);
}

.incorrect {
  background-color: var(--red);
}

.choice-right-hidden {
  visibility: hidden;
}

/* HUD */

#hud {
  display: flex;
  justify-content: space-between;
}

.hud-prefix {
  text-align: center;
  font-size: 2rem;
}

.hud-main-text {
  text-align: center;
  color: var(--primary-base);
}

#progress-bar {
  width: 20rem;
  height: 4rem;
  border: 0.3rem solid var(--primary-base);
  margin-top: 1.5rem;
}

#progress-bar-full {
  height: 100%;
  background-color: var(--primary-base);
  width: 0%;
}

/* Take Another Quiz and All Quizzes Done*/

.quiz-container-messages {
  text-align: center;
  padding: 3rem;
  gap: 2rem;
  width: 60%;
  margin: 5rem auto;
  border-radius: 12px;
}

.btn-take-another-quiz {
  margin-top: 2rem;
  margin-bottom: 3rem;
}

.quiz-container-messages a {
  text-decoration: underline;
}