/*!
 * MSAT · shared/styles.css
 * -------------------------------------------------------------------
 * All visual tokens & UI component styles used across subjects.
 * Sections: tokens → cover → test → result → report → PDF.
 * -------------------------------------------------------------------
 */

:root {
  /* Palette — warm academic */
  --bg: #faf6ef;
  --bg-2: #f2ecdf;
  --paper: #fdfbf6;
  --ink: #1a1612;
  --ink-2: #3d342c;
  --ink-3: #6b5d52;
  --ink-4: #9a8d80;
  --line: #d9cfbe;
  --line-2: #bfb099;
  --accent: #8b2a1f;
  /* deep terracotta — primary accent */
  --accent-2: #c4711f;
  /* amber */
  --gold: #b08030;
  --success: #4a6b3a;
  --danger: #a02a28;

  /* Brain region colors */
  --region-limbic: #c4456b;
  /* 감성 — 변연계 (magenta-rose) */
  --region-frontal: #3b6ea3;
  /* 실행 — 전두엽 (deep blue) */
  --region-temporal: #b5812a;
  /* 언어 — 측두엽 (gold) */
  --region-parietal: #5e7a3e;
  /* 정리 — 두정엽 (olive) */
  --region-occipital: #6b4aa0;
  /* 상상 — 후두엽 (violet) */

  --serif: 'Fraunces', 'Noto Serif KR', Georgia, serif;
  --sans: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: var(--sans);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(26, 22, 18, .06), 0 2px 8px rgba(26, 22, 18, .04);
  --shadow-md: 0 4px 12px rgba(26, 22, 18, .08), 0 12px 32px rgba(26, 22, 18, .06);
  --shadow-lg: 0 8px 24px rgba(26, 22, 18, .1), 0 24px 60px rgba(26, 22, 18, .12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(ellipse at 20% 0%, rgba(196, 113, 31, .08), transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(139, 42, 31, .06), transparent 50%),
    var(--bg);
  line-height: 1.55;
  font-size: 16px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle paper texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .4;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(107, 93, 82, .03) 0%, transparent 1px),
    radial-gradient(circle at 75% 75%, rgba(107, 93, 82, .04) 0%, transparent 1px);
  background-size: 3px 3px, 5px 5px;
}

/* Kill the texture overlay + gradient during PDF capture */
body.pdf-capture::before {
  display: none !important;
}

body.pdf-capture {
  background: #faf6ef !important;
}

/* Typography utilities */
.serif {
  font-family: var(--serif);
  font-variation-settings: "opsz" 40;
}

.display {
  font-family: var(--serif);
  font-variation-settings: "opsz" 144;
  font-weight: 500;
  letter-spacing: -.02em;
}

.mono {
  font-family: var(--mono);
}

.uppercase {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .72rem;
  font-weight: 600;
}

/* Layout */
.app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.view {
  display: none;
}

.view.active {
  display: block;
  animation: fadeIn .45s ease both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

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

/* ========== COVER (PDF-style) ========== */
.cover {
  max-width: 640px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
}

.cover-top {
  padding-top: 40px;
}

.cover-eyebrow {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink-2);
  letter-spacing: .01em;
  font-weight: 400;
}

.cover-brackets {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: .2em;
  margin: 14px 0 8px;
}

.cover-title {
  font-family: var(--serif);
  font-variation-settings: "opsz" 144;
  font-weight: 300;
  font-size: clamp(3.5rem, 12vw, 5.5rem);
  font-style: italic;
  color: var(--ink);
  line-height: 1;
  margin: 0 0 22px;
  letter-spacing: -.02em;
}

.cover-korean {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink-3);
  font-weight: 400;
  letter-spacing: .02em;
}

.cover-rule {
  width: 40px;
  height: 1px;
  background: var(--ink-3);
  margin: 32px auto 16px;
}

.cover-meta {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-3);
  letter-spacing: .1em;
}

.cover-form {
  margin: 48px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  width: 100%;
  max-width: 340px;
  margin-left: auto;
  margin-right: auto;
}

.cover-field {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
}

.cover-field-label {
  font-family: var(--serif);
  font-size: .95rem;
  color: var(--ink-2);
  letter-spacing: .3em;
  min-width: 56px;
  text-align: left;
  flex-shrink: 0;
}

.cover-field-input {
  flex: 1;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
  padding: 6px 2px;
  border: none;
  border-bottom: 1px solid var(--ink-3);
  background: transparent;
  outline: none;
  transition: border-color .2s;
}

.cover-field-input:focus {
  border-color: var(--accent);
  border-bottom-width: 2px;
  padding-bottom: 5px;
}

.cover-bottom {
  display: flex;
  justify-content: center;
  padding-bottom: 32px;
}

@media (max-width: 520px) {
  .cover {
    padding: 32px 24px;
  }

  .cover-title {
    font-size: 3.6rem;
  }

  .cover-form {
    max-width: 100%;
  }
}

/* ========== INTRO VIEW (legacy, kept for safety) ========== */
.intro {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.intro-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--ink-3);
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.intro-mark::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--ink-3);
}

.intro h1 {
  font-family: var(--serif);
  font-variation-settings: "opsz" 144;
  font-weight: 400;
  font-size: clamp(2.4rem, 7vw, 4rem);
  line-height: 1;
  letter-spacing: -.03em;
  margin: 0 0 12px;
  color: var(--ink);
}

.intro h1 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 300;
}

.intro .subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  color: var(--ink-3);
  margin: 0 0 40px;
}

.intro .korean-title {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink-2);
  margin: 0 0 4px;
  font-weight: 500;
}

.intro-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 32px 0;
}

.intro-meta>div {
  padding: 18px 16px;
  border-right: 1px solid var(--line);
}

.intro-meta>div:last-child {
  border-right: none;
}

.intro-meta .label {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--ink-4);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.intro-meta .val {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--ink);
  font-weight: 500;
}

.intro-desc {
  font-size: .98rem;
  color: var(--ink-2);
  line-height: 1.7;
}

.intro-desc p {
  margin: 0 0 14px;
}

.intro-sections {
  display: grid;
  gap: 10px;
  margin: 36px 0;
}

.intro-section-row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
  font-size: .93rem;
}

.intro-section-row .n {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--ink-4);
}

.intro-section-row .t {
  color: var(--ink-2);
}

.intro-section-row .c {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-3);
  background: var(--bg-2);
  padding: 2px 8px;
  border-radius: 4px;
}

.name-input-wrap {
  margin: 36px 0 24px;
}

.name-input-label {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}

.name-input {
  width: 100%;
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--ink);
  padding: 12px 0;
  border: none;
  border-bottom: 2px solid var(--line-2);
  background: transparent;
  outline: none;
  transition: border-color .2s;
}

.name-input:focus {
  border-color: var(--accent);
}

.btn {
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all .2s ease;
  letter-spacing: .01em;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
  background: var(--ink-4);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-primary .arrow {
  transition: transform .25s ease;
}

.btn-primary:hover .arrow {
  transform: translateX(4px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--line-2);
}

.btn-ghost:hover {
  background: var(--bg-2);
  border-color: var(--ink-3);
}

/* ========== TEST VIEW ========== */
.test-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 241, 234, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.test-header-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.test-logo {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  color: var(--ink);
}

.test-logo em {
  color: var(--accent);
  font-style: italic;
  font-weight: 400;
}

.progress-wrap {
  flex: 1;
}

.progress-track {
  height: 4px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0%;
  transition: width .4s cubic-bezier(.4, 0, .2, 1);
  border-radius: 2px;
}

.progress-text {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--ink-3);
  letter-spacing: .08em;
  white-space: nowrap;
  min-width: 52px;
  text-align: right;
}

.test-body {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 20px 140px;
}

/* Page heading (new page-based layout) */
.page-heading {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.page-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}

.page-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.page-title {
  font-family: var(--serif);
  font-variation-settings: "opsz" 144;
  font-weight: 400;
  font-size: clamp(1.6rem, 4.5vw, 2.1rem);
  color: var(--ink);
  margin: 0 0 6px;
  letter-spacing: -.02em;
}

.page-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 10px;
}

.page-desc {
  font-family: var(--serif);
  font-size: .98rem;
  color: var(--ink-3);
  margin: 6px 0 0;
  line-height: 1.55;
}

.section-marker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 48px 0 28px;
}

.section-marker:first-child {
  margin-top: 8px;
}

.section-marker .letter {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.2rem;
  color: var(--accent);
  line-height: 1;
  font-weight: 300;
}

.section-marker .meta {
  flex: 1;
}

.section-marker .meta .en {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -.01em;
}

.section-marker .meta .kr {
  font-family: var(--sans);
  font-size: .82rem;
  color: var(--ink-3);
  margin-top: 2px;
}

.section-marker .rule {
  flex: 1;
  height: 1px;
  background: var(--line);
  max-width: 40%;
}

.passage {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 22px 22px;
  margin-bottom: 24px;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
}

.passage p {
  margin: 0 0 14px;
}

.passage p:last-child {
  margin-bottom: 0;
}

.passage .footnote {
  font-family: var(--sans);
  font-size: .82rem;
  color: var(--ink-3);
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  margin-top: 16px;
  line-height: 1.5;
}

.passage .footnote div {
  margin-bottom: 2px;
}

.passage .footnote span {
  color: var(--accent);
  font-family: var(--serif);
  font-style: italic;
}

.passage-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 12px;
  height: 180px;
  padding: 16px 8px 8px;
  border-top: 1px dashed var(--line);
  margin-top: 16px;
}

.passage-chart .bar-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  height: 100%;
  gap: 6px;
}

.passage-chart .bar {
  width: 100%;
  max-width: 44px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  border-radius: 3px 3px 0 0;
  position: relative;
}

.passage-chart .bar::before {
  content: attr(data-val);
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-2);
}

.passage-chart .bar-label {
  font-family: var(--serif);
  font-size: .85rem;
  color: var(--ink-2);
}

.question {
  margin-bottom: 32px;
  scroll-margin-top: 80px;
}

.question-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}

.question-num {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--accent);
  min-width: 32px;
}

.question-text {
  font-family: var(--serif);
  font-size: 1.02rem;
  color: var(--ink);
  line-height: 1.6;
  font-weight: 400;
  flex: 1;
}

.question-text .blank {
  display: inline-block;
  min-width: 60px;
  border-bottom: 1.5px solid var(--ink-3);
  margin: 0 3px;
}

.question-sub {
  font-family: var(--sans);
  font-size: .88rem;
  color: var(--ink-3);
  margin: 6px 0 14px 42px;
  line-height: 1.55;
}

.question-sub.quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: .96rem;
  color: var(--ink-2);
  background: var(--bg-2);
  padding: 14px 16px;
  border-left: 2px solid var(--line-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-left: 42px;
}

.question-sub.quote .footnote {
  display: block;
  font-family: var(--sans);
  font-style: normal;
  font-size: .78rem;
  color: var(--ink-3);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

.question-sub.quote .footnote span {
  color: var(--accent);
  font-style: italic;
}

.options {
  margin-left: 42px;
  display: grid;
  gap: 8px;
}

.option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all .15s ease;
  font-size: .95rem;
  line-height: 1.5;
  color: var(--ink-2);
}

.option:hover {
  border-color: var(--line-2);
  background: var(--bg-2);
}

.option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option .letter {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink-3);
  min-width: 20px;
  font-size: 1rem;
  flex-shrink: 0;
}

.option .text {
  flex: 1;
}

.option.selected {
  border-color: var(--accent);
  background: #fbf2ed;
  color: var(--ink);
  box-shadow: 0 0 0 1px var(--accent);
}

.option.selected .letter {
  color: var(--accent);
}

/* Writing box */
.writing-box {
  margin-left: 42px;
}

.writing-label {
  font-family: var(--serif);
  font-size: .95rem;
  color: var(--ink-2);
  margin: 12px 0 6px;
  font-weight: 500;
}

.writing-textarea {
  width: 100%;
  min-height: 120px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink);
  resize: vertical;
  outline: none;
  transition: border-color .2s;
}

.writing-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(139, 42, 31, .08);
}

/* Submit bar */
.submit-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(245, 241, 234, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  padding: 14px 20px;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.submit-bar-inner {
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.submit-status {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-3);
  letter-spacing: .04em;
}

.submit-status strong {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
}

/* ========== RESULT VIEW ========== */
.result-body {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.result-header {
  text-align: center;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.result-header .mark {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 14px;
}

.result-header h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 6vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -.03em;
  margin: 0 0 8px;
}

.result-header h1 em {
  font-style: italic;
  color: var(--accent);
}

.result-header .student {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink-3);
}

.score-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0;
  margin: 40px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.score-cell {
  padding: 20px 16px;
  text-align: center;
  border-right: 1px solid var(--line);
}

.score-cell:last-child {
  border-right: none;
}

.score-cell .label {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--ink-4);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.score-cell .val {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--ink);
  font-weight: 500;
  line-height: 1;
}

.score-cell .unit {
  font-family: var(--serif);
  font-size: .9rem;
  color: var(--ink-3);
  font-style: italic;
}

.score-cell .cell-note {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--ink-3);
  letter-spacing: .08em;
}

/* Balance note & region meta */
.balance-note:empty {
  display: none;
}

.balance-msg {
  font-family: var(--serif);
  font-style: italic;
  font-size: .95rem;
  color: var(--ink-2);
  background: var(--bg-2);
  border-left: 3px solid var(--gold);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.region-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.region-badge {
  font-family: var(--mono);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--region-color, var(--ink));
  color: var(--paper);
  font-weight: 500;
}

.region-rel {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--ink-3);
}

/* Brain Map */
.brain-section {
  margin: 64px 0;
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 28px;
}

.section-heading .num {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 400;
}

.section-heading h2 {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 500;
  margin: 0;
  letter-spacing: -.02em;
}

.section-heading .line {
  flex: 1;
  height: 1px;
  background: var(--line);
}

.section-heading .sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: .95rem;
  color: var(--ink-3);
}

.brain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.radar-wrap {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 20px 12px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.radar-title {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 6px;
}

.radar-canvas-wrap {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radar-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
  aspect-ratio: 1 / 1 !important;
}

.regions-list {
  display: grid;
  gap: 12px;
}

.region-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--region-color, var(--ink));
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all .2s;
}

.region-card:hover {
  transform: translateX(2px);
  box-shadow: var(--shadow-md);
}

.region-card .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.region-card .name {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
}

.region-card .name .en {
  font-family: var(--serif);
  font-style: italic;
  font-size: .82rem;
  color: var(--ink-3);
  margin-left: 6px;
  font-weight: 400;
}

.region-card .pct {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--region-color, var(--ink));
}

.region-bar-track {
  height: 5px;
  background: var(--line);
  border-radius: 2.5px;
  overflow: hidden;
}

.region-bar-fill {
  height: 100%;
  background: var(--region-color, var(--ink));
  border-radius: 2.5px;
  transition: width 1s cubic-bezier(.4, 0, .2, 1);
}

.region-card .area {
  font-family: var(--serif);
  font-style: italic;
  font-size: .82rem;
  color: var(--ink-3);
  margin-top: 8px;
  line-height: 1.45;
}

/* Words grid */
.words-section {
  margin: 56px 0;
}

.words-group {
  page-break-inside: avoid;
}

.words-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

.word-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  font-size: .9rem;
  transition: all .15s;
  position: relative;
  overflow: hidden;
}

.word-chip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--region-color, transparent);
  opacity: var(--intensity, 0);
  z-index: 0;
}

.word-chip>* {
  position: relative;
  z-index: 1;
}

.word-chip .word {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
}

.word-chip .val {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-3);
  letter-spacing: .04em;
}

.word-chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--region-color, var(--ink-4));
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--ink-3);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* AI Report */
.ai-report {
  margin-top: 16px;
  position: relative;
}

.ai-report::before {
  display: none;
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--region-limbic), var(--region-frontal), var(--region-temporal), var(--region-parietal), var(--region-occipital));
}

.ai-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 60px 20px;
  text-align: center;
}

.ai-loading .pulse {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--region-limbic), var(--region-frontal), var(--region-temporal), var(--region-parietal), var(--region-occipital), var(--region-limbic));
  animation: spin 2.4s linear infinite;
  position: relative;
}

.ai-loading .pulse::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: var(--paper);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.ai-loading .msg {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-3);
}

.ai-loading .hint {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--ink-4);
  letter-spacing: .1em;
}

.report-content {
  font-family: var(--serif);
  color: var(--ink-2);
  line-height: 1.75;
}

.ai-report-card {
  font-family: var(--serif);
  color: var(--ink-2);
  line-height: 1.75;
}

.global-footer {
  text-align: center;
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--ink-4);
  padding: 32px 0 24px;
  margin-top: auto;
}

.ai-report-card h3 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--ink);
  margin: 32px 0 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  letter-spacing: -.01em;
}

.ai-report-card h3:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.ai-report-card h4 {
  font-family: var(--sans);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 10px;
}

.ai-report-card h5 {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink-2);
  margin: 24px 0 8px;
}

.ai-report-card p {
  margin: 0 0 14px;
  font-size: 1rem;
}

.ai-report-card ul,
.ai-report-card ol {
  padding-left: 22px;
  margin: 10px 0 16px;
}

.ai-report-card li {
  margin-bottom: 6px;
  font-size: .98rem;
}

.ai-report-card strong {
  color: var(--ink);
  font-weight: 600;
}

.ai-report-card em {
  font-style: italic;
  color: var(--accent);
}

.ai-report-card .intro-para {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink-2);
  border-left: 3px solid var(--accent);
  padding: 0 0 0 16px;
  margin: 0 0 24px;
}

.strength-block,
.weakness-block {
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 14px;
  position: relative;
}

.strength-block {
  background: linear-gradient(135deg, rgba(74, 107, 58, .08), rgba(74, 107, 58, .02));
  border-left: 4px solid var(--success);
}

.weakness-block {
  background: linear-gradient(135deg, rgba(139, 42, 31, .06), rgba(139, 42, 31, .02));
  border-left: 4px solid var(--accent);
}

.strength-block .tag,
.weakness-block .tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 8px;
}

.strength-block .tag {
  background: var(--success);
  color: #f6f0e3;
}

.weakness-block .tag {
  background: var(--accent);
  color: #f6f0e3;
}

.solution-card {
  background: var(--bg-2);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 12px;
  border-left: 4px solid var(--gold);
}

.solution-card .sol-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.02rem;
  color: var(--ink);
  margin-bottom: 6px;
}

.report-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
}

/* Error state */
.ai-error {
  padding: 30px 20px;
  text-align: center;
  color: var(--danger);
  font-family: var(--serif);
  font-style: italic;
}

/* Mobile */
@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .intro {
    padding: 32px 20px 60px;
  }

  .intro-meta {
    grid-template-columns: 1fr;
  }

  .intro-meta>div {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 14px 0;
  }

  .intro-meta>div:last-child {
    border-bottom: none;
  }

  .test-body {
    padding: 24px 16px 140px;
  }

  .question-head {
    flex-wrap: wrap;
  }

  .question-sub,
  .options,
  .writing-box {
    margin-left: 0;
  }

  .section-marker .rule {
    display: none;
  }

  .section-marker {
    flex-wrap: wrap;
  }

  .brain-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .score-cell {
    padding: 14px 10px;
  }

  .score-cell .val {
    font-size: 1.6rem;
  }

  .ai-report {
    padding: 24px 20px;
  }

  .ai-report-card h3 {
    font-size: 1.2rem;
  }

  .words-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

  .submit-bar-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .submit-bar-inner>div:last-child {
    display: flex;
    gap: 8px;
    width: 100%;
  }

  .submit-bar-inner>div:last-child .btn {
    flex: 1;
    justify-content: center;
  }

  .submit-bar .submit-status {
    text-align: center;
  }

  .test-header-inner {
    padding: 12px 16px;
    gap: 10px;
  }

  .test-logo {
    font-size: .95rem;
  }

  .passage {
    font-size: .96rem;
    padding: 18px;
  }

  .option {
    font-size: .92rem;
    padding: 11px 12px;
  }

  .question-text {
    font-size: .98rem;
  }
}

@media (max-width: 420px) {
  .intro h1 {
    font-size: 2.2rem;
  }

  .section-marker .letter {
    font-size: 1.8rem;
  }

  .section-marker .meta .en {
    font-size: 1.1rem;
  }

  .result-header h1 {
    font-size: 1.8rem;
  }
}

/* ========== Print / PDF ========== */
@media print {

  /* Force browsers to preserve ALL background colors & images */
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  /* Kill the body::before dot texture — it fogs the print */
  body::before {
    display: none !important;
  }

  /* Hide UI chrome */
  .submit-bar,
  .test-header,
  .report-actions {
    display: none !important;
  }

  /* Let body & result fill naturally */
  body {
    min-height: auto;
  }

  .result-body {
    max-width: 100%;
    padding: 0 20px;
  }

  /* Page break helpers */
  .ai-report-section-wrap,
  .words-section,
  .score-summary,
  .ai-report-card h3,
  .ai-report-card h4,
  .ai-report-card h5 {
    page-break-inside: avoid;
  }

  .section-heading {
    page-break-after: avoid;
  }

  /* Footer visible on every page */
  .global-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 9pt;
    color: #9a8d80;
    padding: 8px 0;
  }
}

/* ==========================================================================
 * Subject Report additions — 섹션별 상세 카드, 문항별 결과표, 등급 배지, 학생 요약
 * ========================================================================== */

/* Grade badge in score summary */
.score-cell--grade .grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 3px solid var(--ink-3);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  color: var(--ink-3);
  margin: 4px auto;
}

/* Section detail grid — 데스크톱에서 가로 풀폭 스택 */
.section-detail-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.section-detail-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  transition: all .2s;
}

.section-detail-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.section-detail-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 6px;
}

.section-detail-id {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.section-detail-pct {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--ink);
}

.section-detail-card.level-high .section-detail-pct {
  color: var(--success);
}

.section-detail-card.level-mid .section-detail-pct {
  color: var(--gold);
}

.section-detail-card.level-low .section-detail-pct {
  color: var(--accent);
}

.section-detail-name {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink-2);
  margin-bottom: 12px;
}

.section-chart-wrap {
  width: 100%;
  height: 240px;
  margin-bottom: 24px;
}

.segment-track {
  display: flex;
  gap: 3px;
  height: 6px;
  width: 100%;
  margin-bottom: 10px;
}

.segment-block {
  flex: 1;
  border-radius: 2px;
  background: var(--line);
  transition: background 0.3s;
}

.section-detail-card.level-high .segment-block.filled {
  background: var(--success);
}

.section-detail-card.level-mid .segment-block.filled {
  background: var(--gold);
}

.section-detail-card.level-low .segment-block.filled {
  background: var(--accent);
}

.section-detail-stats {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

/* Comparison Charts (Bell + Radar) */
.comparison-charts-wrap {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 32px;
}

.comparison-chart-box {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 20px 16px;
  box-shadow: var(--shadow-sm);
}

.comparison-chart-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.comparison-chart-subtitle {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-3);
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}

.comparison-chart-box canvas {
  height: 260px !important;
  width: 100% !important;
}

/* 레이더 차트는 더 크게 */
.comparison-chart-box:last-child canvas {
  height: 320px !important;
}

/* AI Report Cards */
.ai-report-section-wrap {
  margin-bottom: 48px;
  page-break-inside: avoid;
}

.card-title-outside {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink-2);
  margin: 0 0 10px 4px;
}

.ai-report-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}

.ai-report-card h4 {
  margin-top: 0;
}

.ai-report-card p:last-child {
  margin-bottom: 0;
}

/* Per-question table */
.per-q-table {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.per-q-section {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 14px;
  align-items: center;
}

.per-q-section-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  text-transform: uppercase;
}

.per-q-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.per-q-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  padding: 8px 6px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: help;
  transition: transform .15s;
}

.per-q-cell:hover {
  transform: translateY(-2px);
}

.per-q-n {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-4);
  letter-spacing: 0.04em;
}

.per-q-mark {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.2;
}

.per-q-correct {
  background: rgba(74, 107, 58, 0.08);
  border-color: rgba(74, 107, 58, 0.3);
}

.per-q-correct .per-q-mark {
  color: var(--success);
}

.per-q-wrong {
  background: rgba(139, 42, 31, 0.06);
  border-color: rgba(139, 42, 31, 0.25);
}

.per-q-wrong .per-q-mark {
  color: var(--accent);
}

.per-q-partial {
  background: rgba(176, 128, 48, 0.07);
  border-color: rgba(176, 128, 48, 0.3);
}

.per-q-partial .per-q-mark {
  color: var(--gold);
}

.per-q-skip .per-q-mark {
  color: var(--ink-4);
}

.per-q-pending .per-q-mark {
  color: var(--ink-4);
  opacity: 0.6;
}

/* Cover — student card (기존 정보를 세션에서 읽어왔을 때 표시) */
.cover-student-card {
  margin: 32px auto;
  max-width: 300px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
}

.cover-student-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px dashed var(--line);
}

.cover-student-row:last-child {
  border-bottom: none;
}

.cover-student-k {
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--ink-3);
  letter-spacing: 0.1em;
}

.cover-student-v {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink);
  font-weight: 500;
}

@media (max-width: 600px) {
  .per-q-section {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* ==========================================================================
 * Section Detail — 능력 설명, 가이드, AI 노트
 * ========================================================================== */

.section-detail-abilities {
  margin-top: 10px;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-3);
  line-height: 1.55;
}

.section-detail-abilities-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-right: 8px;
}

.section-detail-guide {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: 0.88rem;
  color: var(--ink-2);
  line-height: 1.65;
  font-style: italic;
  padding: 10px 12px;
  background: var(--bg-2);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--gold);
}

.section-detail-ai-note {
  margin-top: 12px;
  font-family: var(--serif);
  font-size: 0.9rem;
  color: var(--ink-2);
  line-height: 1.7;
  padding: 12px 14px;
  background: rgba(139, 42, 31, 0.03);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--accent);
}

.section-detail-ai-note p {
  margin: 0 0 8px;
}

.section-detail-ai-note p:last-child {
  margin-bottom: 0;
}

/* Section detail card — expanded layout for more content */
.section-detail-card {
  page-break-inside: avoid;
}

/* ==========================================================================
 * Report content — 간격 개선 (문단이 잘 구분되도록)
 * ========================================================================== */

.report-content h3 {
  margin-top: 40px;
  padding-top: 28px;
}

.report-content h4 {
  margin-top: 28px;
  margin-bottom: 12px;
}

.report-content h5 {
  margin-top: 24px;
  margin-bottom: 10px;
}

.report-content p {
  margin-bottom: 16px;
}

/* ==========================================================================
 * PDF — 모든 페이지 하단 footer
 * ========================================================================== */

@media print {
  .global-footer {
    page-break-before: avoid;
  }
}

/* PDF/Print Utilities */
.page-break-before {
  page-break-before: always !important;
  break-before: page !important;
}


/* PDF capture용 footer 스타일 */
.pdf-page-footer {
  text-align: center;
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--ink-4);
  padding: 12px 0;
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

/* ============ Math-specific styles ============ */
.question-card {
  padding: 24px 28px;
  margin-bottom: 28px;
}

.question-title {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.math-diary {
  font-family: var(--serif);
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--ink-2);
  margin-bottom: 20px;
  padding: 16px 20px;
  background: var(--paper);
  border-left: 3px solid var(--line-2);
  border-radius: 4px;
}

.math-diary p {
  margin: 0 0 10px;
}

.math-diary p:last-child {
  margin-bottom: 0;
}

.math-diary blockquote {
  margin: 10px 0;
  padding: 10px 14px;
  background: var(--bg-2);
  border-left: 3px solid var(--accent);
  font-style: italic;
}

.math-diary ul {
  margin: 8px 0;
  padding-left: 22px;
}

.math-diary-formula {
  margin: 18px 0;
  text-align: center;
  font-size: 1.1rem;
}

.math-question-image {
  display: block;
  max-width: 100%;
  margin: 16px auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}

.math-prompt {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
  margin: 20px 0 16px;
  line-height: 1.6;
}

.math-intro-block {
  max-width: 640px;
  margin: 0 auto 24px;
  padding: 24px 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.math-intro-block h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  margin: 0 0 14px;
}

.math-intro-block p {
  font-family: var(--serif);
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0 0 8px;
}

.mc-options,
.mc-multi-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mc-option,
.mc-multi-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.mc-option:hover,
.mc-multi-option:hover {
  border-color: var(--ink-3);
  background: var(--bg-2);
}

.mc-option.selected,
.mc-multi-option.selected {
  border-color: var(--accent);
  background: rgba(139, 42, 31, 0.05);
}

.mc-option input[type="radio"],
.mc-multi-option input[type="checkbox"] {
  margin: 0;
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent);
}

.mc-option-text,
.mc-multi-option-text {
  font-family: var(--serif);
  font-size: 0.98rem;
  line-height: 1.5;
}

.numeric-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0;
}

.numeric-input,
.text-input,
.blank-input {
  font-family: var(--mono);
  font-size: 1rem;
  padding: 8px 12px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.15s;
}

.numeric-input {
  min-width: 100px;
  max-width: 200px;
  text-align: right;
}

.text-input {
  min-width: 200px;
  max-width: 340px;
}

.blank-input {
  min-width: 70px;
  max-width: 150px;
  text-align: center;
  margin: 0 4px;
}

.numeric-input:focus,
.text-input:focus,
.blank-input:focus {
  outline: none;
  border-color: var(--accent);
  border-width: 2px;
  padding: 7px 11px;
}

.numeric-suffix {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--ink-3);
}

.numeric-pair-box,
.numeric-triple-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 12px 0;
}

.numeric-pair-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.numeric-pair-label {
  font-family: var(--serif);
  font-size: 0.92rem;
  color: var(--ink-3);
  min-width: 60px;
}

.blank-fill-prose {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 2.2;
  color: var(--ink-2);
  padding: 16px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.blank-fill-prose .math-inline {
  display: inline-block;
  margin: 0 2px;
}

.blank-fill-prose .math-display {
  display: block;
  text-align: center;
  margin: 14px 0;
  padding: 10px 0;
  background: var(--bg-2);
  border-radius: 4px;
}

.math-sub-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 20px;
}

.math-sub-item {
  padding: 20px 24px;
  background: var(--bg-2);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
}

.math-sub-diary {
  margin-bottom: 14px;
  padding: 12px 16px;
  font-size: 0.94rem;
}

.math-sub-label {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.math-sub-prompt {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.6;
}

.math-sub-input {
  margin-top: 8px;
}

.math-fallback {
  font-family: var(--mono);
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--ink-3);
}

/* Math intro screen */
.math-intro-screen {
  max-width: 640px;
  margin: 0 auto;
  padding: 60px 28px 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-height: 80vh;
  justify-content: center;
}

.math-intro-title {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin: 0;
}

.math-intro-body {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--ink-2);
  background: var(--paper);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  border-radius: 4px;
}

.math-intro-body p {
  margin: 0 0 10px;
}

.math-intro-body p:last-child {
  margin: 0;
}

.page-heading--minimal {
  padding-bottom: 8px;
  margin-bottom: 0;
  border-bottom: none;
}
/* Math-specific enhancements */
.math-option-image {
  display: block;
  max-width: 100%;
  margin: 10px auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}

.math-prose-image {
  display: block;
  max-width: 100%;
  margin: 15px auto;
  border-radius: var(--radius-sm);
}

.blank-group-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 15px 0;
  padding: 10px;
  background: var(--bg-2);
  border-radius: var(--radius-md);
}

@media (max-width: 600px) {
  .blank-group-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}