:root {
  --bg: #ffffff;
  --panel: #f9fafb;
  --panel-2: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --accent: #4A72BF;
  --accent-2: #4A72BF;
  --ok: #16a34a;
  --ng: #dc2626;
  --warn: #d97706;
  --radius: 16px;
}

/*
* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  display: grid;
  place-items: center;
}
*/
.quiz-container {
  width: min(980px, 92vw);
  margin: 24px auto;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 24px;
  -webkit-box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
          box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}
.quiz-container .header {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  gap: 12px;
  padding: 8px 4px 18px;
  border-bottom: 1px solid #e5e7eb;
}
.quiz-container h2 {
  font-size: clamp(22px, 3.4vw, 32px);
  margin: 0;
}
.quiz-container .muted {
  color: var(--muted);
}
.quiz-container .hidden {
  display: none !important;
}
.quiz-container .title {
  display: grid;
  gap: 18px;
  place-items: center;
  text-align: center;
  padding: 28px 6px;
}
.quiz-container .title p {
  color: var(--muted);
  margin: 0;
}
.quiz-container .btn {
  background: -webkit-gradient(linear, left top, left bottom, from(var(--accent)), to(var(--accent-2)));
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  -webkit-box-shadow: 0 4px 12px rgba(62, 132, 199, 0.25);
          box-shadow: 0 4px 12px rgba(62, 132, 199, 0.25);
  -webkit-transition: -webkit-transform 0.08s ease, -webkit-filter 0.2s ease, -webkit-box-shadow 0.2s ease;
  transition: -webkit-transform 0.08s ease, -webkit-filter 0.2s ease, -webkit-box-shadow 0.2s ease;
  transition: transform 0.08s ease, filter 0.2s ease, box-shadow 0.2s ease;
  transition: transform 0.08s ease, filter 0.2s ease, box-shadow 0.2s ease, -webkit-transform 0.08s ease, -webkit-filter 0.2s ease, -webkit-box-shadow 0.2s ease;
}
.quiz-container .btn:hover {
  -webkit-filter: saturate(1.1);
          filter: saturate(1.1);
  -webkit-box-shadow: 0 6px 16px rgba(62, 132, 199, 0.35);
          box-shadow: 0 6px 16px rgba(62, 132, 199, 0.35);
}
.quiz-container .btn:active {
  -webkit-transform: translateY(1px);
          transform: translateY(1px);
}
.quiz-container .btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid #d1d5db;
}
.quiz-container .quiz {
  display: grid;
  gap: 16px;
  margin-top: 10px;
}
.quiz-container .quiz .q-card {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 20px;
}
.quiz-container .quiz .q-card .q-head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 8px;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.quiz-container .quiz .q-card .q-no {
  background: var(--panel-2);
  color: #374151;
  border-radius: 10px;
  padding: 6px 10px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.quiz-container .quiz .q-card .q-title {
  margin: 4px 0 10px;
}
.quiz-container .quiz .q-card .options {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}
.quiz-container .quiz .q-card .options .opt {
  border: 1px solid #d1d5db;
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 10px;
  background: #ffffff;
}
.quiz-container .quiz .q-card .options .opt input {
  accent-color: var(--accent-2);
}
.quiz-container .quiz .q-card .options .opt:hover {
  background: #f1f5f9;
}
.quiz-container .text-ans {
  width: 100%;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: var(--text);
}
.quiz-container .user-text {
  display: block;
  margin-left: 1em;
  white-space: pre-wrap;
  word-break: break-word;
}
.quiz-container .footer-actions {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 10px;
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
  margin-top: 18px;
}
.quiz-container .result-head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  margin: 8px 0 14px;
}
.quiz-container .score {
  font-weight: 800;
  background: -webkit-gradient(linear, left top, right top, from(var(--ok)), to(var(--accent)));
  background: linear-gradient(90deg, var(--ok), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.quiz-container .explain {
  color: var(--text);
  background: #e5e7eb;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 10px;
  margin-top: 6px;
}
.quiz-container .pill {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.quiz-container .pill.ok {
  background: rgba(22, 163, 74, 0.1);
  color: #15803d;
  border: 1px solid rgba(22, 163, 74, 0.3);
  margin-left: 5px;
}
.quiz-container .pill.ng {
  background: rgba(220, 38, 38, 0.1);
  color: #b91c1c;
  border: 1px solid rgba(220, 38, 38, 0.3);
  margin-left: 5px;
}
.quiz-container .pill.skipout {
  background: rgba(217, 119, 6, 0.1);
  color: #b45309;
  border: 1px solid rgba(217, 119, 6, 0.3);
}
.quiz-container .small {
  font-size: 12px;
  color: var(--muted);
}
.quiz-container .notice {
  gap: 10px;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  background: rgba(217, 119, 6, 0.1);
  border: 1px solid rgba(217, 119, 6, 0.3);
  color: #b45309;
  padding: 10px;
  border-radius: 12px;
}
@media (prefers-reduced-motion: no-preference) {
  .quiz-container .fade-in {
    -webkit-animation: fade 0.35s ease both;
            animation: fade 0.35s ease both;
  }
  @-webkit-keyframes fade {
    from {
      opacity: 0;
      -webkit-transform: translateY(6px);
              transform: translateY(6px);
    }
    to {
      opacity: 1;
      -webkit-transform: translateY(0);
              transform: translateY(0);
    }
  }
  @keyframes fade {
    from {
      opacity: 0;
      -webkit-transform: translateY(6px);
              transform: translateY(6px);
    }
    to {
      opacity: 1;
      -webkit-transform: translateY(0);
              transform: translateY(0);
    }
  }
}