*
{
box-sizing: border-box;
margin: 0;
padding: 0;
max-width: 100%;
overflow-wrap: break-word;
}

html, body {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

img, video, canvas, iframe {
  max-width: 100%;
  height: auto;
  display: block;
}


.back-btn {
    display: flex;
    height: 3em;
    width: 100px;
    align-items: center;
    justify-content: center;
    background-color: #eeeeee4b;
    border-radius: 3px;
    letter-spacing: 1px;
    transition: all 0.2s linear;
    cursor: pointer;
    border: none;
    background: #fff;
    margin-top: 10px;
    margin-left: 15px;
}

.back-btn > svg {
    margin-right: 5px;
    margin-left: 5px;
    font-size: 20px;
    transition: all 0.4s ease-in;
}

.back-btn:hover > svg {
    font-size: 1.2em;
    transform: translateX(-5px);
}

.back-btn:hover {
    box-shadow: 9px 9px 33px #d1d1d1, -9px -9px 33px #ffffff;
    transform: translateY(-2px);
}

.model
{
    display: flex;
    justify-content: center;
}

.content
{
    display: flex;
    position: relative;
}

body {
  margin: 0;
  font-family: "Courier New", monospace;
  background-color: #111;
  color: #f5f5f5;
  background-image: url('https://www.transparenttextures.com/patterns/dark-mosaic.png');
  background-size: 150px;
  overflow-x: hidden;
}

.container {
  max-width: 800px;
  margin: 50px auto;
  padding: 30px;
  background: #181818;
  border: 2px solid #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px #000;
}

.question-nav {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
  gap: 12px;
}

.qn-btn {
  width: 40px;
  height: 40px;
  border: 2px solid #fff;
  background: transparent;
  color: white;
  font-weight: bold;
  font-size: 16px;
  border-radius: 50%;
  cursor: pointer;
  transition: 0.2s ease;
}

.qn-btn.correct {
  background-color: #00ff00;
  color: #000;
  border-color: #00ff00;
}

.qn-btn.wrong {
  background-color: #ff3333;
  color: #000;
  border-color: #ff3333;
}

.qn-btn.unanswered {
  background-color: #444;
  color: #aaa;
}

.question-box {
  border-top: 2px dashed #aaa;
  padding-top: 20px;
}

.question-text {
  font-size: 18px;
  font-weight: bold;
  color: #fefefe;
  margin-bottom: 15px;
  letter-spacing: 0.5px;
}

.options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option {
  padding: 12px;
  background: #222;
  border: 2px solid #555;
  color: #eee;
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.2s;
}

.option:hover {
  background: #333;
}

.option.correct {
  background-color: #00ff00;
  color: #000;
  border-color: #00ff00;
}

.option.wrong {
  background-color: #ff3333;
  color: #000;
  border-color: #ff3333;
}

input.num-input {
  padding: 10px;
  font-size: 16px;
  background: #111;
  color: #fefefe;
  border: 2px solid #666;
  border-radius: 5px;
  width: 200px;
  margin-right: 10px;
}

button.check-btn {
  padding: 10px 16px;
  font-size: 16px;
  background: #fefefe;
  color: #000;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
}

button.check-btn:hover {
  background: #ccc;
}

#animation-container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9999;
}

.totem-img {
  width: 150px;
  image-rendering: pixelated;
  animation: totem-pop 1.2s ease-out forwards;
}

@keyframes totem-pop {
  0% { transform: scale(0.5) rotate(0deg) translateY(50px); opacity: 0; }
  50% { transform: scale(1.3) rotate(360deg) translateY(-30px); opacity: 1; }
  100% { transform: scale(0.8) rotate(720deg) translateY(-100px); opacity: 0; }
}

.shake {
  animation: shake 0.4s ease-in-out;
}

@keyframes shake {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-6px, 3px); }
  50% { transform: translate(6px, -3px); }
  75% { transform: translate(-3px, 2px); }
  100% { transform: translate(0, 0); }
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: #fff200;
  box-shadow: 0 0 2px #fff, 0 0 10px #ff0;
  image-rendering: pixelated;
  animation: explode 0.6s ease-out forwards;
}

@keyframes explode {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(var(--x), var(--y)) scale(0.1);
    opacity: 0;
  }
}
.cursor-trail {
  position: fixed;
  width: 30px;
  height: 30px;
  pointer-events: none;
  z-index: 9999;
  animation: trail-fade 0.6s forwards;
  transform: translate(-50%, -50%);
  image-rendering: pixelated;
}

@keyframes trail-fade {
  0% {
    opacity: 1;
    transform: scale(1) translate(-50%, -50%);
  }
  100% {
    opacity: 0;
    transform: scale(0.2) translate(-50%, -50%);
  }
}
.exam-title {
  text-align: center;
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 10px;
  color: #0f0;
  font-family: "Comic Sans MS", monospace;
  text-shadow: 0 0 8px #0f0;
}

.result-banner {
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  margin: 10px 0 20px;
  color: #ff0;
  text-shadow: 0 0 6px #f00;
}