* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Consolas", "Courier New", monospace, sans-serif;
}

/* =========================
   BODY
========================= */

body {
  min-height: 100vh;

  background:
    linear-gradient(
      135deg,
      rgba(5, 8, 25, 0.92),
      rgba(20, 8, 45, 0.88)
    ),
    url("code.jpg");

  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;

  color: #f5f7ff;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 20px;

  position: relative;
  overflow-x: hidden;
}


/* =========================
   BACKGROUND GLOW
========================= */

body::before {
  content: "";

  position: fixed;

  width: 350px;
  height: 350px;

  top: -120px;
  left: -100px;

  background: #6c63ff;

  border-radius: 50%;

  filter: blur(130px);

  opacity: 0.25;

  pointer-events: none;
}

body::after {
  content: "";

  position: fixed;

  width: 350px;
  height: 350px;

  bottom: -150px;
  right: -100px;

  background: #00d9ff;

  border-radius: 50%;

  filter: blur(130px);

  opacity: 0.18;

  pointer-events: none;
}


/* =========================
   MAIN CONTAINER
========================= */

.container {
  width: 100%;
  max-width: 650px;

  padding: 2.5rem;

  background: rgba(12, 15, 35, 0.82);

  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  border: 1px solid rgba(255, 255, 255, 0.12);

  border-radius: 22px;

  box-shadow:
    0 25px 80px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);

  position: relative;

  z-index: 1;

  overflow: hidden;

  animation: containerIn 0.7s ease;
}

@keyframes containerIn {
  from {
    opacity: 0;
    transform: translateY(25px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}


/* Top glowing line */

.container::before {
  content: "";

  position: absolute;

  top: 0;
  left: 15%;
  right: 15%;

  height: 2px;

  background: linear-gradient(
    90deg,
    transparent,
    #6c63ff,
    #00d9ff,
    transparent
  );

  box-shadow:
    0 0 15px #6c63ff,
    0 0 25px #00d9ff;
}


/* =========================
   VIEWS
========================= */

.view {
  display: none;
}

.view.active {
  display: block;
}


/* =========================
   HEADINGS
========================= */

h1,
h2,
h3 {
  margin-bottom: 1rem;

  text-align: center;

  text-transform: uppercase;

  letter-spacing: 2px;

  color: #ffffff;

  text-shadow:
    0 0 15px rgba(108, 99, 255, 0.45);
}

h1 {
  font-size: 2.1rem;

  background: linear-gradient(
    90deg,
    #ffffff,
    #9d96ff,
    #66e5ff
  );

  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: 1.5rem;
}


/* =========================
   TEXT
========================= */

p {
  color: #aeb4cc;

  margin-bottom: 1.5rem;

  line-height: 1.6;
}


/* =========================
   FORM
========================= */

.form-group {
  margin-bottom: 1.3rem;
}

label {
  display: block;

  margin-bottom: 0.55rem;

  font-size: 0.8rem;

  text-transform: uppercase;

  letter-spacing: 1.5px;

  color: #bfc4df;

  font-weight: 600;
}


/* =========================
   INPUTS
========================= */

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;

  padding: 0.95rem 1rem;

  background: rgba(4, 7, 20, 0.65);

  border: 1px solid rgba(255, 255, 255, 0.12);

  border-radius: 10px;

  color: #ffffff;

  font-size: 1rem;

  outline: none;

  transition: all 0.3s ease;
}

input::placeholder {
  color: #60677e;
}

input:hover {
  border-color: rgba(108, 99, 255, 0.45);
}

input:focus {
  border-color: #6c63ff;

  background: rgba(10, 12, 30, 0.85);

  box-shadow:
    0 0 0 3px rgba(108, 99, 255, 0.12),
    0 0 20px rgba(108, 99, 255, 0.12);
}


/* =========================
   BUTTON
========================= */

.btn {
  width: 100%;

  padding: 0.95rem 1rem;

  border: none;

  border-radius: 10px;

  background: linear-gradient(
    135deg,
    #6c63ff,
    #8b5cf6,
    #00bfff
  );

  background-size: 200% 200%;

  color: #ffffff;

  font-size: 1rem;

  font-weight: 800;

  text-transform: uppercase;

  letter-spacing: 1.2px;

  cursor: pointer;

  transition: all 0.3s ease;

  box-shadow:
    0 8px 25px rgba(108, 99, 255, 0.28);
}

.btn:hover:not(:disabled) {
  background-position: 100% 50%;

  transform: translateY(-2px);

  box-shadow:
    0 12px 35px rgba(108, 99, 255, 0.45),
    0 0 20px rgba(0, 217, 255, 0.2);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

.btn:disabled {
  background: #292d3d;

  color: #686e83;

  cursor: not-allowed;

  opacity: 0.65;

  box-shadow: none;
}


/* =========================
   SWITCH LINK
========================= */

.switch-link {
  text-align: center;

  margin-top: 1.3rem;

  font-size: 0.9rem;

  color: #7f879f;
}

.switch-link a {
  color: #8d85ff;

  text-decoration: none;

  font-weight: bold;

  transition: 0.2s;
}

.switch-link a:hover {
  color: #5ee7ff;

  text-shadow:
    0 0 12px rgba(94, 231, 255, 0.5);
}


/* =========================
   INFO CARD
========================= */

.info-card {
  background:
    linear-gradient(
      135deg,
      rgba(108, 99, 255, 0.08),
      rgba(0, 217, 255, 0.04)
    );

  border: 1px solid rgba(108, 99, 255, 0.22);

  border-radius: 12px;

  padding: 1.25rem;

  margin-bottom: 1.5rem;

  box-shadow:
    inset 0 0 25px rgba(108, 99, 255, 0.03);
}

.info-item {
  display: flex;

  justify-content: space-between;

  align-items: center;

  padding: 0.75rem 0;

  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);

  color: #b8bed2;
}

.info-item strong {
  color: #ffffff;
}

.info-item:last-child {
  border-bottom: none;
}


/* =========================
   QUIZ HEADER
========================= */

.quiz-header {
  display: flex;

  justify-content: space-between;

  align-items: center;

  margin-bottom: 1.5rem;

  border-bottom: 1px solid rgba(255, 255, 255, 0.1);

  padding-bottom: 0.9rem;
}


/* =========================
   TIMER
========================= */

.timer-badge {
  background: rgba(255, 72, 120, 0.08);

  color: #ff5c8a;

  border: 1px solid rgba(255, 92, 138, 0.55);

  padding: 0.45rem 0.85rem;

  border-radius: 30px;

  font-weight: bold;

  font-size: 0.85rem;

  box-shadow:
    0 0 15px rgba(255, 92, 138, 0.12);

  animation: timerPulse 1.5s infinite;
}

@keyframes timerPulse {
  0% {
    box-shadow:
      0 0 5px rgba(255, 92, 138, 0.15);
  }

  50% {
    box-shadow:
      0 0 20px rgba(255, 92, 138, 0.4);
  }

  100% {
    box-shadow:
      0 0 5px rgba(255, 92, 138, 0.15);
  }
}


/* =========================
   QUESTION
========================= */

.question-title {
  font-size: 1.15rem;

  font-weight: 600;

  margin-bottom: 1.3rem;

  color: #f4f5ff;

  line-height: 1.5;
}


/* =========================
   OPTIONS
========================= */

.options-container {
  display: flex;

  flex-direction: column;

  gap: 0.8rem;

  margin-bottom: 1.5rem;
}

.option-btn {
  position: relative;

  width: 100%;

  background: rgba(8, 11, 28, 0.65);

  border: 1px solid rgba(255, 255, 255, 0.1);

  border-radius: 10px;

  padding: 1rem;

  color: #c7cce0;

  text-align: left;

  cursor: pointer;

  font-size: 0.95rem;

  transition: all 0.25s ease;
}

.option-btn:hover {
  border-color: rgba(108, 99, 255, 0.65);

  color: #ffffff;

  background:
    linear-gradient(
      90deg,
      rgba(108, 99, 255, 0.12),
      rgba(0, 217, 255, 0.04)
    );

  transform: translateX(4px);

  box-shadow:
    0 5px 20px rgba(108, 99, 255, 0.1);
}


/* Selected */

.option-btn.selected {
  border-color: #6c63ff;

  background:
    linear-gradient(
      135deg,
      rgba(108, 99, 255, 0.25),
      rgba(0, 217, 255, 0.08)
    );

  color: #ffffff;

  font-weight: bold;

  box-shadow:
    0 0 20px rgba(108, 99, 255, 0.18),
    inset 0 0 20px rgba(108, 99, 255, 0.04);
}


/* =========================
   RESULT CARD
========================= */

.result-card {
  text-align: center;

  background:
    linear-gradient(
      135deg,
      rgba(108, 99, 255, 0.1),
      rgba(0, 217, 255, 0.04)
    );

  border: 1px solid rgba(108, 99, 255, 0.25);

  border-radius: 14px;

  padding: 1.8rem;

  margin-bottom: 1.5rem;

  box-shadow:
    0 15px 40px rgba(0, 0, 0, 0.15);
}

.score-display {
  font-size: 3rem;

  font-weight: bold;

  margin: 0.5rem 0;

  background: linear-gradient(
    90deg,
    #ffffff,
    #8d85ff,
    #5ee7ff
  );

  /* -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; */

  text-shadow:
    0 0 20px rgba(108, 99, 255, 0.25);
}

.percentage-display {
  font-size: 1.25rem;

  color: #aeb5ce;

  margin-bottom: 1rem;
}


/* =========================
   USER TAG
========================= */

.user-tag {
  position: absolute;

  top: 16px;

  right: 20px;

  font-size: 0.8rem;

  color: #8d85ff;

  letter-spacing: 0.5px;

  text-shadow:
    0 0 10px rgba(108, 99, 255, 0.45);
}


/* =========================
   SWEET ALERT
========================= */

.swal2-popup {
  background: #101329 !important;

  border: 1px solid rgba(108, 99, 255, 0.6) !important;

  border-radius: 15px !important;

  color: #ffffff !important;

  box-shadow:
    0 0 40px rgba(108, 99, 255, 0.2) !important;
}

.swal2-title {
  color: #ffffff !important;
}

.swal2-html-container {
  color: #b8bed2 !important;
}

.swal2-confirm {
  background: linear-gradient(
    135deg,
    #6c63ff,
    #00bfff
  ) !important;

  color: #ffffff !important;

  border-radius: 8px !important;

  font-weight: bold !important;
}


/* =========================
   MOBILE
========================= */

@media (max-width: 600px) {

  body {
    padding: 12px;
  }

  .container {
    padding: 1.5rem;

    border-radius: 17px;
  }

  h1 {
    font-size: 1.55rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  .question-title {
    font-size: 1rem;
  }

  .user-tag {
    position: static;

    text-align: center;

    margin-bottom: 1rem;
  }

  .quiz-header {
    gap: 10px;
  }

  .timer-badge {
    font-size: 0.78rem;

    padding: 0.4rem 0.7rem;
  }

  .option-btn {
    padding: 0.9rem;
  }

  .score-display {
    font-size: 2.5rem;
  }
}