/* ===================================================== */
/* QUIZ MODAL – HISTORY GO UI                            */
/* ===================================================== */

.modal{
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(0,0,0,.78);
  -webkit-backdrop-filter: blur(9px) saturate(1.05);
  backdrop-filter: blur(9px) saturate(1.05);
}

.modal[aria-hidden="false"]{
  display: flex;
}

#quizModal .modal-body,
#quizSummaryModal .modal-body{
  width: min(760px, calc(100vw - 28px));
  max-height: min(82vh, 760px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  padding: 24px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 24px;
  background:
    radial-gradient(circle at 88% 0%, rgba(246,200,0,.10), transparent 34%),
    linear-gradient(160deg, rgba(24,30,42,.995), rgba(8,12,19,.995) 72%);
  box-shadow:
    0 30px 90px rgba(0,0,0,.68),
    0 1px 0 rgba(255,255,255,.08) inset,
    0 0 0 1px rgba(0,0,0,.28);
  color: #fff;
  animation: quizModalIn .22s ease-out both;
}

#quizSummaryModal .modal-body{
  width: min(640px, calc(100vw - 28px));
}

#quizModal .modal-body::before,
#quizSummaryModal .modal-body::before{
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 2px;
  border-radius: 0 0 999px 999px;
  background: linear-gradient(90deg, transparent, rgba(246,200,0,.92), transparent);
  pointer-events: none;
}

/* Header */
.modal-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

#quizTitle,
#quizSummaryTitle{
  min-width: 0;
  color: rgba(255,255,255,.98);
  font-size: clamp(20px, 3.6vw, 27px);
  font-weight: 850;
  line-height: 1.12;
  letter-spacing: -.025em;
  overflow-wrap: anywhere;
}

#quizClose,
#quizSummaryClose{
  flex: 0 0 auto;
  min-width: 72px;
  height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.09);
  color: rgba(255,255,255,.92);
  font: inherit;
  font-size: 14px;
  font-weight: 780;
  cursor: pointer;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}

#quizClose:hover,
#quizSummaryClose:hover,
#quizClose:focus-visible,
#quizSummaryClose:focus-visible{
  border-color: rgba(255,255,255,.30);
  background: rgba(255,255,255,.14);
  transform: translateY(-1px);
}

#quizModal .sheet-body,
#quizSummaryModal .sheet-body{
  min-height: 0;
  max-height: none;
  overflow-y: auto;
  display: block;
  padding: 14px 2px 2px;
}

/* ===================================================== */
/* QUIZ CORE                                             */
/* ===================================================== */

#quizProgress{
  color: rgba(214,224,238,.72);
  margin-bottom: 0;
  font-size: 14px;
  font-weight: 720;
  letter-spacing: .01em;
}

#quizQuestion{
  margin: 14px 0 18px !important;
  color: #fff;
  font-size: clamp(20px, 3.5vw, 25px);
  font-weight: 800 !important;
  line-height: 1.34;
  letter-spacing: -.018em;
}

.quiz-choices{
  display: grid;
  gap: 11px;
}

.quiz-choices button{
  width: 100%;
  min-height: 58px;
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  background: linear-gradient(110deg, rgba(255,255,255,.085), rgba(255,255,255,.045));
  color: rgba(255,255,255,.97);
  font: inherit;
  font-size: 17px;
  font-weight: 680;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255,255,255,.035) inset;
  transition: transform .15s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.quiz-choices button:hover:not(:disabled),
.quiz-choices button:focus-visible:not(:disabled){
  border-color: rgba(246,200,0,.42);
  background: linear-gradient(110deg, rgba(255,255,255,.12), rgba(246,200,0,.07));
  box-shadow: 0 10px 26px rgba(0,0,0,.22);
  transform: translateY(-1px);
}

.quiz-choices button:disabled{
  cursor: default;
}

.quiz-choices button.correct{
  border-color: rgba(46,204,113,.72);
  background: linear-gradient(110deg, rgba(27,122,74,.46), rgba(27,122,74,.26));
  box-shadow: 0 0 0 1px rgba(46,204,113,.10) inset;
}

.quiz-choices button.wrong{
  border-color: rgba(214,64,78,.68);
  background: linear-gradient(110deg, rgba(122,31,37,.48), rgba(122,31,37,.25));
  box-shadow: 0 0 0 1px rgba(214,64,78,.08) inset;
}

.quiz-feedback{
  min-height: 24px;
  color: rgba(255,255,255,.96);
  font-size: 15px;
  font-weight: 800;
}

#quizModal .sheet-body > div:last-child{
  gap: 14px;
  align-items: center;
  margin-top: 14px !important;
}

/* ===================================================== */
/* PROGRESS BAR                                          */
/* ===================================================== */

.quiz-progress{
  width: 100%;
  height: 8px;
  margin-bottom: 2px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  box-shadow: 0 1px 0 rgba(255,255,255,.035) inset;
}

.quiz-progress .bar{
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, #f6c800, #ffe36a);
  box-shadow: 0 0 16px rgba(246,200,0,.30);
  transition: width .4s ease;
}

/* ===================================================== */
/* QUIZ SUMMARY / FINISHED STATE                         */
/* ===================================================== */

#quizSummaryLead{
  margin: 2px 0 12px !important;
  color: #fff;
  font-size: clamp(20px, 3.4vw, 25px);
  font-weight: 820 !important;
  line-height: 1.28;
  letter-spacing: -.018em;
}

#quizSummaryMeta{
  margin: 0 0 18px !important;
  padding: 15px 16px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 16px;
  background: rgba(255,255,255,.055);
  color: rgba(221,230,241,.80) !important;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.55;
}

#quizSummaryModal .sheet-body > div:last-child{
  display: flex !important;
  align-items: stretch;
  justify-content: stretch !important;
  gap: 12px !important;
  margin-top: 4px;
}

#quizSummaryPrimary,
#quizSummarySecondary{
  min-height: 54px;
  padding: 13px 18px;
  border-radius: 16px;
  font: inherit;
  font-size: 16px;
  font-weight: 820;
  line-height: 1.1;
  cursor: pointer;
  transition: transform .16s ease, filter .16s ease, box-shadow .16s ease, border-color .16s ease, background .16s ease;
}

#quizSummaryPrimary{
  flex: 1.35 1 220px;
  border: 1px solid rgba(255,226,94,.94);
  background: linear-gradient(180deg, #ffe36a, #f6c800);
  color: #111;
  box-shadow:
    0 12px 28px rgba(246,200,0,.18),
    0 1px 0 rgba(255,255,255,.58) inset;
}

#quizSummaryPrimary::before{
  content: "✦";
  margin-right: 9px;
  font-size: .9em;
}

#quizSummarySecondary{
  flex: 1 1 160px;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.075);
  color: rgba(255,255,255,.94);
}

#quizSummarySecondary::before{
  content: "×";
  margin-right: 8px;
  font-size: 1.05em;
}

#quizSummaryPrimary:hover,
#quizSummaryPrimary:focus-visible{
  filter: brightness(1.05);
  box-shadow:
    0 15px 34px rgba(246,200,0,.26),
    0 1px 0 rgba(255,255,255,.62) inset;
  transform: translateY(-2px);
}

#quizSummarySecondary:hover,
#quizSummarySecondary:focus-visible{
  border-color: rgba(255,255,255,.30);
  background: rgba(255,255,255,.12);
  transform: translateY(-1px);
}

#quizSummaryPrimary:active,
#quizSummarySecondary:active,
#quizClose:active,
#quizSummaryClose:active{
  transform: translateY(0) scale(.985);
}

/* ===================================================== */
/* PERFECT SCORE BUTTON                                  */
/* ===================================================== */

button.quiz-done{
  background: rgba(255,215,0,0.12);
  border: 1px solid rgba(255,215,0,0.5);
  color: #ffd700;
  cursor: default;
  font-weight: 600;
  position: relative;
  padding-left: 30px;
}

button.quiz-done::before{
  content: "🏅";
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
}

@keyframes quizGlow{
  0%   { box-shadow: 0 0 0 0 rgba(255,215,0,0); }
  40%  { box-shadow: 0 0 16px 6px rgba(255,215,0,.8); }
  100% { box-shadow: 0 0 0 0 rgba(255,215,0,0); }
}

button.quiz-done.blink{
  animation: quizGlow 1.2s ease-out;
}

/* ===================================================== */
/* MODAL ANIMATIONS                                      */
/* ===================================================== */

@keyframes quizModalIn{
  from{
    opacity: 0;
    transform: translateY(10px) scale(.975);
  }
  to{
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

#quizModal.fade-out .modal-body,
#quizSummaryModal.fade-out .modal-body{
  animation: quizFadeOut .32s ease forwards;
}

@keyframes quizFadeOut{
  0%{
    opacity: 1;
    transform: scale(1);
  }
  100%{
    opacity: 0;
    transform: translateY(8px) scale(.96);
  }
}

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

@media (max-width: 640px){
  .modal{
    align-items: center;
    padding: 10px;
  }

  #quizModal .modal-body,
  #quizSummaryModal .modal-body{
    width: calc(100vw - 20px);
    max-height: calc(100dvh - 20px);
    padding: 18px;
    border-radius: 21px;
  }

  #quizModal .modal-body::before,
  #quizSummaryModal .modal-body::before{
    left: 18px;
    right: 18px;
  }

  .modal-head{
    gap: 10px;
    margin-bottom: 8px;
  }

  #quizTitle,
  #quizSummaryTitle{
    font-size: 20px;
  }

  #quizClose,
  #quizSummaryClose{
    min-width: 62px;
    height: 38px;
    padding: 0 13px;
    font-size: 13px;
  }

  #quizModal .sheet-body,
  #quizSummaryModal .sheet-body{
    padding-top: 10px;
  }

  #quizQuestion{
    margin: 12px 0 15px !important;
    font-size: 19px;
  }

  .quiz-choices{
    gap: 9px;
  }

  .quiz-choices button{
    min-height: 54px;
    padding: 13px 14px;
    border-radius: 14px;
    font-size: 16px;
  }

  #quizSummaryLead{
    font-size: 20px;
  }

  #quizSummaryMeta{
    padding: 13px 14px;
    font-size: 14px;
  }

  #quizSummaryModal .sheet-body > div:last-child{
    flex-direction: column-reverse;
  }

  #quizSummaryPrimary,
  #quizSummarySecondary{
    width: 100%;
    min-height: 52px;
    flex: 0 0 auto;
  }
}

@media (prefers-reduced-motion: reduce){
  #quizModal .modal-body,
  #quizSummaryModal .modal-body,
  #quizModal.fade-out .modal-body,
  #quizSummaryModal.fade-out .modal-body,
  .quiz-progress .bar,
  .quiz-choices button,
  #quizSummaryPrimary,
  #quizSummarySecondary{
    animation: none;
    transition: none;
  }
}