:root {
  --gsol-ink: #0d1b3d;
  --gsol-muted: #66708a;
  --gsol-line: rgba(16, 31, 63, 0.12);
  --gsol-panel: rgba(255, 255, 255, 0.86);
  --gsol-gold: #d7a84f;
  --gsol-blue: #1746a2;
  --gsol-teal: #12b8a6;
  --gsol-shadow: 0 26px 70px rgba(9, 24, 54, 0.12);
}

html {
  background: #f6f8fc;
}

body {
  background:
    radial-gradient(circle at 18% 12%, rgba(215, 168, 79, 0.18), transparent 30%),
    radial-gradient(circle at 86% 10%, rgba(18, 184, 166, 0.14), transparent 28%),
    linear-gradient(180deg, #fbfcff 0%, #f2f6fb 100%);
  color: var(--gsol-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
}

.slice {
  padding-bottom: 5rem !important;
  padding-top: 4.25rem !important;
}

.jumbotron-fluid {
  margin-bottom: 3.5rem;
  position: relative;
}

.jumbotron-fluid .container {
  padding-left: 0;
  padding-right: 0;
}

.display-4 {
  color: var(--gsol-ink);
  font-size: clamp(3rem, 7vw, 5.75rem);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 0.96;
  max-width: 980px;
}

.lead {
  color: var(--gsol-muted);
  font-size: clamp(1.08rem, 1.6vw, 1.42rem);
  letter-spacing: 0;
  line-height: 1.55;
}

.row.mx-n2 {
  row-gap: 1.2rem;
}

.card {
  background: var(--gsol-panel);
  border: 1px solid var(--gsol-line);
  border-radius: 22px;
  box-shadow: 0 14px 45px rgba(11, 26, 58, 0.08);
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.card:hover {
  border-color: rgba(23, 70, 162, 0.24);
  box-shadow: var(--gsol-shadow);
  transform: translateY(-4px);
}

.card .btn {
  color: inherit;
  display: block;
  padding: 1.45rem;
  white-space: normal;
  width: 100%;
}

.card .btn:focus {
  box-shadow: 0 0 0 4px rgba(23, 70, 162, 0.13);
}

.card h6 {
  color: var(--gsol-ink);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0;
}

.text-muted {
  color: var(--gsol-muted) !important;
}

.badge-success,
.text-success {
  color: var(--gsol-teal) !important;
}

.badge-success {
  background: rgba(18, 184, 166, 0.14);
}

.badge-primary,
.btn-primary {
  background: linear-gradient(135deg, var(--gsol-blue), #2f68d7);
  border: 0;
  box-shadow: 0 14px 34px rgba(23, 70, 162, 0.24);
}

.btn-secondary {
  background: #edf2f8;
  border: 1px solid var(--gsol-line);
  color: var(--gsol-ink);
}

#liveboard .card {
  border-left: 4px solid var(--gsol-gold);
}

#leaderboard-modal {
  max-width: 360px;
}

#leaderboard-modal .modal-content,
.modal-content {
  border: 1px solid var(--gsol-line);
  border-radius: 22px;
  box-shadow: var(--gsol-shadow);
}

#gsol_timmer,
#gsol_restart,
#celebrate {
  border: 1px solid var(--gsol-line);
  border-radius: 20px;
  box-shadow: 0 16px 42px rgba(9, 24, 54, 0.1);
}

#game {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--gsol-line);
  border-radius: 28px;
  box-shadow: var(--gsol-shadow);
  padding: clamp(1.35rem, 4vw, 3rem);
}

.quiz-status-bar {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.quiz-progress {
  align-items: center;
  color: var(--gsol-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.95rem;
  font-weight: 800;
  gap: 0.45rem;
}

.quiz-progress span {
  align-items: center;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--gsol-line);
  border-radius: 999px;
  display: inline-flex;
  gap: 0.28rem;
  min-height: 34px;
  padding: 0.35rem 0.7rem;
}

.quiz-progress strong,
.quiz-progress .fa-fire {
  color: var(--gsol-teal);
}

.quiz-progress .fa-award {
  color: var(--gsol-gold);
}

.quiz-settings-button {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--gsol-line);
  border-radius: 50%;
  box-shadow: 0 10px 24px rgba(9, 24, 54, 0.1);
  color: var(--gsol-ink);
  display: inline-flex;
  flex: 0 0 auto;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.quiz-settings-button:focus {
  box-shadow: 0 0 0 4px rgba(23, 70, 162, 0.13);
  outline: 0;
}

.quiz-timer-settings {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--gsol-line);
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(9, 24, 54, 0.08);
  margin-bottom: 0.8rem;
  padding: 0.75rem;
}

.quiz-timer-form {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: minmax(0, 1fr) auto;
}

#game h6 {
  color: var(--gsol-ink);
  font-weight: 850;
}

#question {
  color: var(--gsol-ink);
  font-size: clamp(2rem, 4.2vw, 3.8rem);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1.08;
  margin-left: auto;
  margin-right: auto;
  max-width: 920px;
  overflow-wrap: break-word;
}

#question.question-long {
  font-size: clamp(1.65rem, 3vw, 2.7rem);
  line-height: 1.14;
}

#question.question-extra-long {
  font-size: clamp(1.35rem, 2.35vw, 2.1rem);
  line-height: 1.22;
}

#response {
  border: 1px solid rgba(23, 70, 162, 0.22) !important;
  border-radius: 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), 0 12px 30px rgba(9, 24, 54, 0.08);
  font-size: 1.35rem;
  min-height: 58px;
  text-align: center;
}

.question-media {
  margin: 0 auto 1.25rem;
  max-width: 920px;
}

.question-media img {
  background: #ffffff;
  border: 1px solid var(--gsol-line);
  border-radius: 18px;
  box-shadow: 0 16px 42px rgba(9, 24, 54, 0.1);
  display: block;
  height: auto;
  max-height: 460px;
  object-fit: contain;
  width: 100%;
}

.quiz-diagram-svg {
  background: #ffffff;
  border: 1px solid var(--gsol-line);
  border-radius: 18px;
  box-shadow: 0 16px 42px rgba(9, 24, 54, 0.1);
  display: block;
  height: auto;
  margin: 0 auto;
  max-height: 420px;
  max-width: 760px;
  padding: 1rem;
  width: 100%;
}

.choice-options {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0 auto 1rem;
  max-width: 920px;
}

.choice-option {
  background: #ffffff;
  border: 1px solid rgba(23, 70, 162, 0.22);
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(9, 24, 54, 0.08);
  color: var(--gsol-ink);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  min-height: 58px;
  padding: 0.85rem 1rem;
  text-align: left;
}

.choice-option:hover {
  border-color: rgba(23, 70, 162, 0.42);
}

#question_label {
  font-weight: 850;
  letter-spacing: 0;
}

.list-group-item {
  border-color: var(--gsol-line);
}

@media (max-width: 767px) {
  .slice {
    padding-top: 2rem !important;
  }

  .container.d-flex.w-50 {
    max-width: 100%;
    width: 100% !important;
  }

  #leaderboard-modal {
    position: static;
    width: auto;
  }

  .quiz-status-bar {
    align-items: flex-start;
  }

  .quiz-progress {
    font-size: 0.86rem;
  }

  .quiz-progress span {
    min-height: 30px;
    padding: 0.28rem 0.55rem;
  }

  .quiz-timer-form {
    grid-template-columns: 1fr;
  }

  #question,
  #question.question-long,
  #question.question-extra-long {
    font-size: clamp(1.45rem, 7vw, 2.15rem);
    line-height: 1.18;
  }

  .choice-options {
    grid-template-columns: 1fr;
  }
}