:root {
  --blue: #1f5ea8;
  --red: #d50000;
  --green: #126322;
  --line: #ead8c2;
  --paper: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: #ffffff;
  color: #111;
  font-family: Arial, "Noto Sans KR", sans-serif;
}

.page {
  width: min(900px, calc(100% - 28px));
  margin: 0 auto;
  padding: 36px 0;
}

.quiz-card {
  padding: 42px;
  border: 1.5px solid var(--line);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.hidden { display: none !important; }
.eyebrow { margin: 0 0 8px; color: var(--blue); font-weight: 800; }
h1 { margin: 0 0 12px; font-size: 2rem; }
.lead { margin: 0 0 24px; color: #555; font-weight: 700; }

.part-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  margin-top: 12px;
}

.part-button {
  width: 100%;
  min-height: 34px;
  border: 1px solid #c7b6a5;
  border-radius: 8px;
  background: #fff;
  color: #111;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 800;
  cursor: pointer;
  text-align: left;
  padding: 5px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.part-button.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.part-checkbox {
  width: 15px;
  height: 15px;
  accent-color: var(--blue);
}

.part-title {
  flex: 0 1 auto;
}

.part-count {
  font-size: 0.82rem;
  font-weight: 700;
  opacity: 0.78;
  white-space: nowrap;
}

.part-note {
  margin: 18px 0 10px;
  color: var(--green);
  font-weight: 800;
}

button, .option-button { transition: transform 0.15s ease, filter 0.15s ease; }
button:hover:not(:disabled), .option-button:hover:not(:disabled) { transform: translateY(-1px); filter: brightness(1.08); }
button:disabled { opacity: 0.45; cursor: not-allowed; }

.start-button,
.submit-button,
.next-button,
.finish-button,
.back-button,
.print-selected-button,
.select-all-button,
.retry-selected-button,
.retry-wrong-button {
  border: 0;
  border-radius: 3px;
  padding: 8px 13px;
  color: #fff;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 900;
  cursor: pointer;
}

.start-button, .submit-button { background: var(--red); }
.next-button { background: var(--red); }
.finish-button { background: #000000; }
.action-row .finish-button { margin-left: auto; }
.back-button { background: var(--blue); }
.quiz-hub-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 18px;
  color: #ffffff;
  text-decoration: none;
}
.quiz-hub-back:visited,
.quiz-hub-back:hover,
.quiz-hub-back:focus {
  color: #ffffff;
}
.reselect-parts-button { margin: 0 0 12px; }
.print-selected-button { background: #9b2f45; }
.retry-selected-button { background: #6b3518; }
.retry-wrong-button { background: #8d3b67; }
.select-all-button {
  border: 1px solid #b8b8b8;
  background: #ffffff;
  color: #111111;
}

.top-row {
  display: grid;
  grid-template-columns: 92px 150px 96px;
  align-items: stretch;
  justify-content: start;
  gap: 8px;
  width: min(100%, 560px);
  margin: 0 auto 18px;
}

.score-box {
  min-width: 0;
  height: 78px;
  min-height: 78px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
}

.score-box span { display: block; font-size: 0.9rem; }
.score-box strong {
  display: block;
  margin-top: 4px;
  font-size: 1.2rem;
  line-height: 1.35;
  white-space: nowrap;
}

.score-box strong span {
  display: inline;
}

.question-table {
  display: grid;
  width: min(100%, 500px);
  max-width: 100%;
  margin: 0 auto;
  grid-template-columns: minmax(180px, 230px) minmax(220px, 240px);
  gap: 4px;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
}

.image-card {
  width: 100%;
  max-width: 230px;
  padding: 0;
  text-align: center;
  display: grid;
  place-items: center;
  justify-self: center;
}

.question-title {
  width: min(100%, 500px);
  margin: 0 auto 12px;
  font-weight: 900;
  font-size: 1.1rem;
}
#question-image {
  display: block;
  max-width: 100%;
  max-height: 210px;
  margin: 0 auto;
  object-fit: contain;
  background: #fff;
}

.options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  width: 100%;
  max-width: 240px;
  justify-self: start;
}

.option-button {
  border: 1px solid #c7b6a5;
  border-radius: 10px;
  padding: 12px 14px;
  background: #fff;
  color: #111;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.option-button.selected {
  background: #dff3ff;
  border-color: #4aa3df;
}

.option-button.correct {
  background: #d8efd4;
  border-color: var(--green);
  color: var(--green);
}

.option-button.wrong {
  background: #f7d1d1;
  border-color: var(--red);
  color: var(--red);
}

.submit-button { width: 100%; margin-top: 12px; }

.feedback {
  min-width: 0;
  height: 78px;
  min-height: 78px;
  padding: 10px 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  text-align: center;
  font-weight: 900;
  line-height: 1.25;
  font-size: clamp(0.72rem, 1.7vw, 0.9rem);
  overflow-wrap: anywhere;
  word-break: keep-all;
}

.feedback-label {
  display: block;
  color: #111111;
  font-size: 0.8rem;
}

.feedback strong {
  display: block;
}

.feedback.correct {
  background: #ffffff;
  border-color: var(--green);
  color: var(--green);
}

.feedback.wrong {
  background: #ffffff;
  border-color: var(--red);
  color: var(--red);
}

.action-row, .result-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.action-row {
  width: min(100%, 560px);
  margin: 16px auto 0;
}

.result-tools {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 14px 0 16px;
}

.result-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.result-summary div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

.result-summary span, .result-summary strong { display: block; }
.result-summary strong { margin-top: 6px; font-size: 1.35rem; }

.result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 12px;
  padding: 14px;
  border-left: 6px solid var(--green);
  border-radius: 12px;
  background: #ffffff;
}

.result-item.wrong { border-left-color: var(--red); }

.result-status.correct {
  color: var(--green);
}

.result-status.wrong {
  color: var(--red);
}

.result-text {
  min-width: 0;
}

.result-image-wrap {
  width: 126px;
  flex: 0 0 126px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  text-align: center;
  background: #ffffff;
}

.result-image {
  width: 100%;
  height: 92px;
  object-fit: contain;
}

.result-image-wrap p {
  margin: 6px 0 0;
  font-weight: 800;
  font-size: 0.88rem;
}

.retry-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-weight: 800;
}

.retry-checkbox {
  width: 18px;
  height: 18px;
  accent-color: #9b2f45;
}

body.print-selected-mode #setup-page,
body.print-selected-mode #quiz-page,
body.print-selected-mode header,
body.print-selected-mode .eyebrow,
body.print-selected-mode .result-summary,
body.print-selected-mode .result-actions,
body.print-selected-mode .result-tools,
body.print-selected-mode .retry-check {
  display: none !important;
}

body.print-selected-mode .page,
body.print-selected-mode #result-page {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  background: #ffffff;
  box-shadow: none;
  border: 0;
}

body.print-selected-mode .result-item.print-hidden {
  display: none !important;
}

@media print {
  @page {
    margin: 12mm;
  }

  header,
  .logo,
  .site-nav,
  .site-search,
  .quiz-hub-back,
  .result-actions,
  .result-tools,
  .retry-check {
    display: none !important;
  }

  body.print-selected-mode header {
    display: none !important;
  }

  * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  html,
  body,
  body.print-selected-mode .page,
  body.print-selected-mode #result-page,
  body.print-selected-mode .result-list {
    background: #ffffff !important;
  }

  body.print-selected-mode #result-page {
    display: block !important;
  }

  body.print-selected-mode h1 {
    margin: 0 0 10px;
    font-size: 1.45rem;
  }

  body.print-selected-mode .result-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 12px;
    margin: 0;
    padding: 0;
  }

  body.print-selected-mode .result-item {
    break-inside: avoid;
    page-break-inside: avoid;
    min-height: 0;
    margin: 0;
    padding: 8px 10px;
    gap: 8px;
    border: 1px solid #d8d8d8;
    border-left: 5px solid var(--green);
    border-radius: 8px;
    box-shadow: none;
    background: #ffffff !important;
  }

  body.print-selected-mode .result-item.wrong {
    border-left-color: var(--red);
  }

  body.print-selected-mode .result-text strong {
    font-size: 0.9rem;
  }

  body.print-selected-mode .result-text p {
    margin: 5px 0;
    font-size: 0.82rem;
    line-height: 1.35;
  }

  body.print-selected-mode .result-image-wrap {
    width: 82px;
    flex: 0 0 82px;
    padding: 5px;
    border: 0;
    border-radius: 0;
    background: #ffffff !important;
  }

  body.print-selected-mode .result-image {
    width: 72px;
    height: 58px;
    object-fit: contain;
    background: #ffffff !important;
  }

  body.print-selected-mode .result-image-wrap p {
    margin-top: 3px;
    font-size: 0.72rem;
    line-height: 1.25;
  }
}

@media (max-width: 700px) {
  .options-grid, .result-summary { grid-template-columns: 1fr; }
  .top-row {
    grid-template-columns: 1fr 1fr;
  }
  .feedback {
    grid-column: 1 / -1;
  }
  .question-table { grid-template-columns: 1fr; }
  .question-table { width: 100%; }
  .image-card { max-width: 100%; }
  .options-grid { max-width: none; justify-self: stretch; }
  .action-row .finish-button { margin-left: 0; }
  .result-item { align-items: stretch; flex-direction: column; }
  .result-image-wrap { width: 100%; flex-basis: auto; }
}