/* 바이브코딩 클래스북 - 공통 스타일 */

/* ---------- 디자인 토큰 ---------- */
:root {
  --bg: #faf6ee;
  --surface: #ffffff;
  --cream: #f6efe1;
  --cream-line: #ebe0c9;

  --text: #26302e;
  --text-sub: #5f6a67;
  --text-faint: #98a19e;
  --line: #e6e2d8;

  --mint: #14a093;
  --mint-dark: #0e7d73;
  --mint-soft: #e2f4f1;
  --mint-calm: #2a8a80;
  --mint-label: #0b6b62;

  --success-bg: #eaf6ec;
  --success-line: #bfe1c6;
  --success-text: #2f6b3c;

  --warning-bg: #fdf0e6;
  --warning-line: #f3d1b5;
  --warning-text: #9a4b1c;

  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 6px 24px rgba(60, 50, 30, 0.06), 0 1px 3px rgba(60, 50, 30, 0.04);

  --content-width: 720px;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR",
    system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
}

h1, h2, h3, p, ol, figure {
  margin: 0;
}

ol {
  padding: 0;
  list-style: none;
}

button {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 56px 20px 80px;
}

/* ---------- 헤더 ---------- */
.header {
  text-align: center;
  margin-bottom: 32px;
}

.header__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--mint);
}

.header__title {
  margin-top: 8px;
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.header__desc {
  margin-top: 6px;
  font-size: 15px;
  color: var(--text-sub);
}

/* ---------- 날짜 메뉴 ---------- */
.date-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
  padding: 4px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.date-nav::-webkit-scrollbar {
  display: none;
}

.date-tab {
  flex: 0 0 auto;
  min-width: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  scroll-snap-align: center;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.date-tab:hover {
  border-color: var(--mint);
  background: var(--mint-soft);
}

.date-tab:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.date-tab__date {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
}

.date-tab__session {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.3;
}

.date-tab.is-active {
  background: var(--mint-calm);
  border-color: var(--mint-calm);
  color: #ffffff;
}

.date-tab.is-active .date-tab__session {
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- 수업 카드 ---------- */
.lesson-card {
  scroll-margin-top: 16px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 32px 36px 26px;
}

.lesson-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.lesson-card__label {
  font-weight: 800;
  color: var(--mint-label);
  letter-spacing: 0.03em;
}

.lesson-card__count {
  color: var(--text-faint);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.lesson-card__title {
  margin-top: 10px;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.02em;
}

.lesson-card__desc {
  margin-top: 8px;
  color: var(--text-sub);
}

/* 진행 점 */
.progress-dots {
  display: flex;
  flex-wrap: wrap; /* 단계가 많으면 (예: 22단계) 좁은 화면에서 줄바꿈 */
  gap: 10px 8px;
  margin-top: 20px;
}

.progress-dots__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line);
}

.progress-dots__dot.is-done {
  background: #a9d8d1;
}

.progress-dots__dot.is-active {
  background: var(--mint);
  box-shadow: 0 0 0 4px var(--mint-soft);
}

/* ---------- 단계 ---------- */
.step {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.step__badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--mint-soft);
  color: var(--mint-dark);
  font-size: 13px;
  font-weight: 700;
}

.step__title {
  margin-top: 12px;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
}

.step__desc {
  margin-top: 6px;
  color: var(--text-sub);
}

/* 안내 박스: 어디로 가나 */
.guide-box {
  margin-top: 20px;
  padding: 18px 20px;
  background: var(--cream);
  border: 1px solid var(--cream-line);
  border-radius: var(--radius-md);
}

.guide-box__label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-sub);
}

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

.path__chip {
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid #e0d2b4;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.path__arrow {
  color: var(--text-sub);
  font-size: 15px;
}

/* 이미지 자리 */
.shot-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  aspect-ratio: 16 / 9;
  background: #eeeeec;
  border: 1px dashed #d3d3cf;
  border-radius: var(--radius-md);
  color: var(--text-faint);
  font-size: 14px;
  text-align: center;
  padding: 16px;
}

/* 실제 캡처 이미지가 연결된 경우 */
.shot-placeholder.has-image {
  aspect-ratio: auto;
  padding: 0;
  background: #f7f7f5;
  border: 1px solid var(--line);
  overflow: hidden;
}

.shot-images {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.shot-image {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: calc(var(--radius-md) - 1px);
}

/* 한 단계에 이미지가 여러 장인 경우: 이미지마다 테두리를 두고 세로로 이어서 표시 */
.shot-placeholder.is-multi {
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: visible;
}

.shot-placeholder.is-multi .shot-image {
  background: #f7f7f5;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

/* 번호 설명 */
.instructions {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.instructions__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.instructions__num {
  flex: 0 0 auto;
  min-width: 34px;
  padding: 2px 0;
  border-radius: 8px;
  background: var(--mint-soft);
  color: var(--mint-dark);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.instructions__num--check {
  background: var(--mint-calm);
  color: #ffffff;
}

/* 참고 문구 */
.step__note {
  margin-top: 16px;
  padding: 10px 14px;
  border-left: 3px solid var(--cream-line);
  background: var(--cream);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  color: var(--text-sub);
}

/* 성공 / 주의 박스 */
.notice {
  margin-top: 16px;
  padding: 16px 20px;
  border: 1px solid;
  border-radius: var(--radius-md);
  font-size: 15px;
}

.instructions + .notice {
  margin-top: 28px;
}

.notice__title {
  font-weight: 700;
  margin-bottom: 2px;
}

.notice--success {
  background: var(--success-bg);
  border-color: var(--success-line);
}

.notice--success .notice__title {
  color: var(--success-text);
}

.notice--warning {
  background: var(--warning-bg);
  border-color: var(--warning-line);
}

.notice--warning .notice__title {
  color: var(--warning-text);
}

/* ---------- 하단 이동 버튼 ---------- */
.step-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.btn {
  padding: 12px 22px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s;
}

.btn:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--mint);
  color: #ffffff;
}

.btn--primary:hover {
  background: var(--mint-dark);
}

.btn--ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--text);
}

.btn--ghost:hover:not(:disabled) {
  border-color: var(--mint);
}

.btn:disabled {
  color: var(--text-faint);
  background: #f4f3ef;
  cursor: not-allowed;
}

/* 마지막 단계 완료 표시 */
.btn.btn--done:disabled {
  background: var(--mint-soft);
  border-color: #bfe3dd;
  color: var(--mint-label);
  cursor: default;
}

/* ---------- 수업자료 잠금 카드 ---------- */
.lock-card {
  text-align: center;
  padding-top: 36px;
  padding-bottom: 32px;
}

.lock-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--mint-soft);
  color: var(--mint-label);
}

.lock-card__icon svg {
  width: 26px;
  height: 26px;
}

.lock-card__target {
  margin-top: 14px;
  font-size: 14px;
  font-weight: 800;
  color: var(--mint-label);
  letter-spacing: 0.02em;
}

.lock-card__title {
  margin-top: 4px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.lock-card__desc {
  margin-top: 6px;
  color: var(--text-sub);
}

.lock-form {
  display: flex;
  gap: 8px;
  max-width: 400px;
  margin: 22px auto 0;
}

.lock-form__input {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg);
  font: inherit;
  font-size: 16px; /* 16px 미만이면 iOS 에서 입력 시 화면이 확대됨 */
  color: var(--text);
}

.lock-form__input:focus {
  outline: none;
  border-color: var(--mint);
  box-shadow: 0 0 0 3px var(--mint-soft);
  background: var(--surface);
}

.lock-form__btn {
  flex-shrink: 0;
}

.lock-card__error {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--warning-text);
}

/* 화면에는 보이지 않고 화면 읽기 프로그램에만 읽히는 텍스트 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.card-footnote {
  margin-top: 20px;
  text-align: center;
  font-size: 14px;
  color: var(--text-faint);
}

/* ---------- 실습 준비 가이드 메뉴 ---------- */
.guide-menu {
  margin-top: 22px;
}

.guide-menu__title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}

.guide-menu__title::before,
.guide-menu__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.guide-menu__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  max-width: 460px;
  margin: 12px auto 0;
}

.guide-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--cream-line);
  border-radius: var(--radius-md);
  background: #fdfaf3;
  color: var(--text-sub);
  text-align: left;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.guide-tab:hover {
  border-color: #d9c9a6;
  background: var(--cream);
  color: var(--text);
}

.guide-tab:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.guide-tab__icon {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--cream);
  color: #a08a5c;
}

.guide-tab__icon svg {
  width: 17px;
  height: 17px;
}

.guide-tab__title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
}

.guide-tab.is-active {
  border-color: var(--mint-calm);
  background: var(--surface);
  color: var(--text);
}

.guide-tab.is-active .guide-tab__icon {
  background: var(--mint-soft);
  color: var(--mint-calm);
}

/* 가이드 카드 본문 자리 */
.guide-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  margin-top: 24px;
  padding: 24px;
  background: var(--cream);
  border: 1px dashed var(--cream-line);
  border-radius: var(--radius-md);
  color: var(--text-sub);
  font-size: 15px;
  text-align: center;
}

/* ---------- 단계 안 추가 블록 (panels) ---------- */
.step-panels {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.step-panels > .guide-box {
  margin-top: 0;
}

/* 비교 카드 */
.compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

/* 카드가 홀수 개(예: 3개)면 마지막 카드는 한 줄 전체 사용 */
.compare__card:last-child:nth-child(odd):not(:first-child) {
  grid-column: 1 / -1;
}

.compare__card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.compare__head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.compare__title {
  font-size: 19px;
  font-weight: 800;
  color: var(--mint-label);
}

.compare__subtitle {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-faint);
}

.compare__label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-sub);
}

.compare__list {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
}

.compare__list li {
  position: relative;
  padding-left: 14px;
  line-height: 1.8;
}

.compare__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.8em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint-calm);
}

/* 역할 카드 */
.roles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}

.role-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.role-card__num {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--mint-soft);
  color: var(--mint-label);
  font-size: 12px;
  font-weight: 800;
  line-height: 22px;
  text-align: center;
}

.role-card__name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 6px;
  line-height: 1.4;
}

.role-card__ko {
  font-size: 15px;
  font-weight: 800;
}

.role-card__en {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-faint);
}

.role-card__desc {
  margin-top: 2px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-sub);
}

/* HEX 색상 코드 예시 */
.hex-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hex-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 8px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}

.hex-item__swatch {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.hex-item__code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 14px;
  font-weight: 700;
}

.hex-item__name {
  font-size: 13px;
  color: var(--text-sub);
}

/* AI에게 이렇게 말하기 */
.say-box {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--mint-soft);
}

.say-box__label {
  font-size: 12px;
  font-weight: 800;
  color: var(--mint-label);
}

.say-box__text {
  margin-top: 2px;
  font-size: 15px;
  font-weight: 600;
}

.say-box__or {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-faint);
}

/* 사용 / 사용 안 함 비교 목록 */
.usage {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  overflow: hidden;
}

.usage__label {
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: #faf9f6;
  font-size: 13px;
  font-weight: 800;
}

.usage__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.usage__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  color: var(--text-faint);
}

.usage__row + .usage__row {
  border-top: 1px solid var(--line);
}

.usage__main {
  min-width: 0;
}

.usage__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-sub);
}

.usage__desc {
  font-size: 13px;
  line-height: 1.5;
}

.usage__note {
  flex: 0 0 auto;
  max-width: 50%;
  padding: 3px 10px;
  border-radius: 999px;
  background: #f1efe9;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}

.usage__row.is-use {
  background: var(--mint-soft);
  color: var(--text-sub);
}

.usage__row.is-use .usage__name {
  color: var(--mint-label);
  font-weight: 800;
}

.usage__row.is-use .usage__note {
  background: var(--mint-calm);
  color: #ffffff;
  font-weight: 800;
}

/* 실습용 파일 (이미지 미리보기 / 영상) */
.sample-box {
  padding: 14px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #faf9f6;
}

.sample-box__label {
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 800;
  color: var(--text);
}

.sample-box__text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-sub);
}

.sample-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sample-card__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #eeeeec;
}

.sample-card__name {
  margin-top: 6px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  color: var(--text-sub);
  overflow-wrap: anywhere;
}

.sample-video {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  background: #000000;
}

/* 흐름 블록 */
.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 0;
  margin: 0;
  padding: 14px 12px;
  list-style: none;
  border: 1px solid var(--cream-line);
  border-radius: var(--radius-md);
  background: var(--cream);
}

.flow__step {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--cream-line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
}

.flow__arrow {
  padding: 0 8px;
  color: var(--text-faint);
  font-weight: 600;
}

.flow__step.is-hl {
  border-color: var(--mint-calm);
  background: var(--mint-soft);
  color: var(--mint-label);
}

/* 강조 문구 */
.callout__title {
  margin-bottom: 2px;
  font-size: 15px;
  font-weight: 800;
  color: var(--mint-label);
}

.callout__text {
  font-weight: 600;
}

.callout {
  padding: 12px 16px;
  border-left: 3px solid var(--mint-calm);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--mint-soft);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

/* 참고 박스 */
.tip-box {
  padding: 14px 18px;
  border: 1px solid var(--cream-line);
  border-radius: var(--radius-md);
  background: var(--cream);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-sub);
}

.tip-box__title {
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
}

.tip-box__text + .tip-box__text,
.tip-box__list + .tip-box__text,
.tip-box__code + .tip-box__list {
  margin-top: 6px;
}

.tip-box__code {
  display: block;
  width: fit-content;
  max-width: 100%;
  overflow-wrap: anywhere;
  margin: 6px 0 2px;
  padding: 2px 10px;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--cream-line);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.tip-box__label {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.tip-box__list {
  margin: 2px 0 0;
  padding-left: 18px;
}

/* 입력 항목 설명 블록 */
.fields__label {
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 800;
  color: var(--mint-label);
}

.fields__intro {
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--text-sub);
}

.field-card {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.field-card + .field-card {
  margin-top: 10px;
}

.field-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.field-card__name {
  margin-right: 2px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
}

.field-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
  white-space: nowrap;
}

.field-badge.is-required {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.field-badge.is-optional {
  background: var(--mint-soft);
  color: var(--mint-label);
}

.field-badge.is-skip {
  background: var(--cream);
  color: var(--text-sub);
}

.field-badge.is-info {
  background: var(--success-bg);
  color: var(--success-text);
}

.field-card__rows {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}

.field-card__row {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 10px;
  padding: 6px 0;
  border-top: 1px dashed var(--line);
}

.field-card__row dt {
  font-weight: 700;
  color: var(--text-sub);
}

.field-card__row dd {
  margin: 0;
  color: var(--text);
}

.field-card__row.is-caution dt,
.field-card__row.is-caution dd {
  color: var(--warning-text);
}

.field-card__list {
  margin: 0;
  padding-left: 18px;
}

/* 복사 가능한 주소 */
.url-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px 12px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.url-box__info {
  min-width: 0;
}

.url-box__label {
  font-size: 12px;
  font-weight: 800;
  color: var(--mint-label);
}

.url-box__url {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  overflow-wrap: anywhere;
  user-select: text;
}

.url-box__copy {
  flex: 0 0 auto;
  padding: 7px 14px;
  border: 1px solid var(--mint-calm);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--mint-label);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.15s;
}

.url-box__copy:hover {
  background: var(--mint-soft);
}

.url-box__copy:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

/* ---------- UI 용어 카드 ---------- */
.term-groups {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 26px;
}

.term-group__title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
  font-weight: 800;
}

.term-group__count {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-faint);
}

.term-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.term-card {
  display: flex;
  flex-direction: column;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.term-card__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 112px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: #faf7f0;
  border: 1px solid #f0e9da;
  overflow: hidden;
}

.term-card__name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 8px;
  line-height: 1.35;
}

.term-card__num {
  font-size: 12px;
  font-weight: 800;
  color: var(--mint-calm);
  font-variant-numeric: tabular-nums;
}

.term-card__main {
  font-size: 17px;
  font-weight: 800;
}

.term-card__en {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-faint);
}

.term-card__desc {
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-sub);
}

.term-card__say {
  margin-top: auto;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--mint-soft);
}

.term-card__desc + .term-card__say {
  margin-top: 12px;
}

.term-card__say-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--mint-label);
}

.term-card__say-text {
  margin-top: 2px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}

/* ---------- UI 시각 예시 (단순 모형) ---------- */
.term-card__visual {
  --ui-line: #e3ded2;
  --ui-block: #eeeae0;
  --ui-frame: #d8d2c4;
  font-size: 10px;
  line-height: 1.2;
  color: var(--text-sub);
}

.term-card__visual span,
.term-card__visual i {
  display: block;
}

.ui-screen {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 136px;
  height: 88px;
  padding: 6px;
  background: #ffffff;
  border: 1px solid var(--ui-frame);
  border-radius: 8px;
  overflow: hidden;
}

.ui-screen--row {
  flex-direction: row;
}

.ui-screen--narrow {
  width: 64px;
}

.ui-bar {
  flex: 0 0 12px;
  border-radius: 3px;
  background: var(--ui-block);
}

.ui-block {
  flex: 1;
  border-radius: 4px;
  background: var(--ui-block);
}

.ui-line {
  flex: 0 0 auto;
  height: 5px;
  width: 100%;
  border-radius: 3px;
  background: var(--ui-line);
}

.ui-line.w-80 { width: 80%; }
.ui-line.w-70 { width: 70%; }
.ui-line.w-50 { width: 50%; }

.ui-col {
  display: flex !important;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 0;
}

.ui-side {
  flex: 0 0 30px;
  border-radius: 4px;
  background: var(--ui-block);
}

/* 강조(해당 용어 부분) */
.ui-bar.is-hl,
.ui-side.is-hl {
  background: var(--mint-calm);
}

.ui-block.is-hl {
  background: var(--mint-soft);
  border: 1.5px solid var(--mint-calm);
}

/* 카드 */
.ui-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 92px;
  padding: 7px;
  background: #ffffff;
  border: 1.5px solid var(--mint-calm);
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(60, 50, 30, 0.08);
}

.ui-card__img {
  height: 34px;
  border-radius: 6px;
  background: var(--ui-block);
}

/* 입력창 / 플레이스홀더 */
.ui-input {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  width: 140px;
  height: 30px;
  padding: 0 9px;
  background: #ffffff;
  border: 1px solid var(--ui-frame);
  border-radius: 6px;
  font-size: 11px;
  color: var(--text);
}

.ui-input.is-hl {
  border: 1.5px solid var(--mint-calm);
}

.ui-input--placeholder {
  color: #a7aeab;
}

.ui-caret {
  width: 1.5px;
  height: 14px;
  margin-right: auto;
  background: var(--text);
}

.ui-input > span:first-child {
  white-space: nowrap;
}

/* 버튼 */
.ui-btn {
  padding: 7px 18px;
  border-radius: 8px;
  background: var(--mint-calm);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
}

.ui-btn--sm {
  padding: 3px 12px;
  font-size: 10px;
  border-radius: 5px;
}

/* 드롭다운 */
.ui-dropdown {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 140px;
}

.ui-chevron {
  width: 6px;
  height: 6px;
  border-right: 1.5px solid var(--text-sub);
  border-bottom: 1.5px solid var(--text-sub);
  transform: translateY(-2px) rotate(45deg);
}

.ui-menu {
  display: flex;
  flex-direction: column;
  padding: 3px;
  background: #ffffff;
  border: 1px solid var(--ui-frame);
  border-radius: 6px;
  box-shadow: 0 3px 8px rgba(60, 50, 30, 0.08);
  font-size: 10px;
}

.ui-menu span {
  padding: 2px 6px;
  border-radius: 4px;
}

.ui-menu .is-hl {
  background: var(--mint-soft);
  color: var(--mint-label);
  font-weight: 700;
}

/* 체크박스 / 라디오 */
.ui-options {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.ui-option {
  display: flex !important;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  color: var(--text);
}

.ui-check,
.ui-radio {
  position: relative;
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  background: #ffffff;
  border: 1.5px solid #b9b4a8;
}

.ui-check {
  border-radius: 4px;
}

.ui-radio {
  border-radius: 50%;
}

.ui-check.is-on {
  background: var(--mint-calm);
  border-color: var(--mint-calm);
}

.ui-check.is-on::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border-right: 2px solid #ffffff;
  border-bottom: 2px solid #ffffff;
  transform: rotate(45deg);
}

.ui-radio.is-on {
  border-color: var(--mint-calm);
}

.ui-radio.is-on::after {
  content: "";
  position: absolute;
  inset: 2.5px;
  border-radius: 50%;
  background: var(--mint-calm);
}

/* 토글 */
.ui-inline {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ui-inline__text {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
}

.ui-inline__text.is-hl {
  color: var(--mint-calm);
  font-weight: 800;
}

.ui-toggle {
  position: relative;
  width: 40px;
  height: 22px;
  border-radius: 999px;
  background: #cfcabd;
}

.ui-toggle.is-on {
  background: var(--mint-calm);
}

.ui-toggle::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.ui-toggle.is-on::after {
  left: 21px;
}

/* 업로드 영역 */
.ui-upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 140px;
  height: 80px;
  border: 1.5px dashed var(--mint-calm);
  border-radius: 8px;
  background: #ffffff;
  font-size: 10px;
  color: var(--mint-label);
  font-weight: 700;
}

.ui-upload__icon {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--mint-soft);
}

.ui-upload__icon::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 6px;
  width: 6px;
  height: 6px;
  border-left: 1.5px solid var(--mint-calm);
  border-top: 1.5px solid var(--mint-calm);
  transform: translateX(-50%) rotate(45deg);
}

.ui-upload__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 7px;
  width: 1.5px;
  height: 9px;
  background: var(--mint-calm);
  transform: translateX(-50%);
}

/* 탭 */
.ui-tabs {
  width: 140px;
}

.ui-tabs__bar {
  display: flex;
  gap: 2px;
  font-size: 10px;
}

.ui-tabs__bar span {
  padding: 4px 9px;
  border: 1px solid var(--ui-frame);
  border-bottom: 0;
  border-radius: 6px 6px 0 0;
  background: var(--ui-block);
  color: var(--text-faint);
}

.ui-tabs__bar .is-active {
  background: #ffffff;
  border-color: var(--mint-calm);
  color: var(--mint-label);
  font-weight: 800;
}

.ui-tabs__panel {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: #ffffff;
  border: 1px solid var(--ui-frame);
  border-radius: 0 6px 6px 6px;
}

/* 모달 */
.ui-screen--dim::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(38, 48, 46, 0.35);
}

.ui-modal {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 7px 10px;
  background: #ffffff;
  border-radius: 6px;
  transform: translate(-50%, -50%);
  font-size: 9px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

.ui-modal__actions {
  display: flex !important;
  gap: 4px;
}

.ui-modal__actions i {
  width: 22px;
  height: 7px;
  border-radius: 3px;
  background: var(--ui-block);
}

.ui-modal__actions i.is-hl {
  background: var(--mint-calm);
}

/* 팝업 */
.ui-popup {
  position: absolute;
  right: 6px;
  bottom: 6px;
  width: 64px;
  background: #ffffff;
  border: 1.5px solid var(--mint-calm);
  border-radius: 6px;
  box-shadow: 0 3px 8px rgba(60, 50, 30, 0.15);
  font-size: 9px;
  font-weight: 700;
  color: var(--mint-label);
  text-align: center;
  overflow: hidden;
}

.ui-popup > span:last-child {
  padding: 5px 0;
}

.ui-popup__bar {
  display: flex !important;
  gap: 2px;
  padding: 3px 4px;
  background: var(--mint-soft);
}

.ui-popup__bar i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint-calm);
}

/* 미리보기 / 2열 영역 */
.ui-pane {
  position: relative;
  display: flex !important;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  padding: 4px;
  border-radius: 4px;
  background: var(--ui-block);
}

.ui-pane.is-hl {
  background: var(--mint-soft);
  border: 1.5px solid var(--mint-calm);
}

.ui-pane__label {
  font-size: 9px;
  font-weight: 700;
  color: var(--mint-label);
  text-align: center;
}

.ui-pane__img {
  flex: 1;
  border-radius: 3px;
  background: #ffffff;
}

/* 결과 영역 */
.ui-result {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 140px;
  padding: 8px;
  background: #ffffff;
  border: 1.5px solid var(--mint-calm);
  border-radius: 8px;
}

.ui-result__title {
  font-size: 10px;
  font-weight: 800;
  color: var(--mint-label);
}

.ui-result__row {
  display: flex !important;
  align-items: center;
  gap: 6px;
}

.ui-result__row .ui-line {
  flex: 1 1 auto;
}

.ui-result__row b {
  flex: 0 0 auto;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--mint-soft);
  color: var(--mint-label);
  font-size: 8px;
  line-height: 13px;
  text-align: center;
}

/* 방향 */
.ui-dir {
  display: grid;
  grid-template-columns: auto 52px auto;
  grid-template-rows: auto 34px auto;
  align-items: center;
  justify-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  color: var(--mint-label);
}

.ui-dir__t { grid-column: 2; grid-row: 1; }
.ui-dir__l { grid-column: 1; grid-row: 2; }
.ui-dir__r { grid-column: 3; grid-row: 2; }
.ui-dir__b { grid-column: 2; grid-row: 3; }

.ui-dir__box {
  grid-column: 2;
  grid-row: 2;
  width: 100%;
  height: 100%;
  border: 1.5px solid var(--mint-calm);
  border-radius: 6px;
  background: #ffffff;
}

/* 스크롤 영역 */
.ui-scroll {
  display: flex;
  gap: 5px;
  width: 136px;
  height: 80px;
  padding: 6px;
  background: #ffffff;
  border: 1.5px solid var(--mint-calm);
  border-radius: 8px;
  overflow: hidden;
}

.ui-scroll__list {
  display: flex !important;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.ui-scroll__track {
  position: relative;
  flex: 0 0 5px;
  border-radius: 3px;
  background: var(--ui-block);
}

.ui-scroll__thumb {
  position: absolute;
  top: 8px;
  left: 0;
  width: 5px;
  height: 26px;
  border-radius: 3px;
  background: var(--mint-calm);
}

/* 고정 영역 */
.ui-screen--fade .ui-line {
  opacity: 0.7;
}

.ui-fixed {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex !important;
  justify-content: center;
  padding: 5px;
  background: var(--mint-soft);
  border-top: 1.5px solid var(--mint-calm);
}

/* ---------- 반응형 ---------- */
@media (max-width: 640px) {
  .page {
    padding: 36px 16px 56px;
  }

  .header__title {
    font-size: 26px;
  }

  /* 모바일: 날짜 메뉴 가로 스크롤 (왼쪽 정렬해야 첫 항목이 잘리지 않음) */
  .date-nav {
    justify-content: flex-start;
    margin-left: -16px;
    margin-right: -16px;
    padding: 4px 16px;
  }

  .date-tab {
    min-width: 84px;
    padding: 8px 12px;
  }

  .lesson-card {
    padding: 24px 20px 22px;
    border-radius: 20px;
  }

  .lesson-card__title {
    font-size: 22px;
  }

  .step__title {
    font-size: 19px;
  }

  .btn {
    flex: 1;
  }

  .guide-placeholder {
    min-height: 180px;
  }

  /* 모바일: 잠금 카드 입력칸과 버튼을 세로로 */
  .lock-form {
    flex-direction: column;
  }

  /* 모바일: 용어 카드 1열 */
  .term-grid {
    grid-template-columns: 1fr;
  }

  /* 모바일: 비교 카드 1열 */
  .compare {
    grid-template-columns: 1fr;
  }

  /* 모바일: 실습 이미지 1열 */
  .sample-grid {
    grid-template-columns: 1fr;
  }

  /* 모바일: 입력 항목 설명은 제목 위 / 내용 아래 */
  .field-card__row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (max-width: 380px) {
  .guide-menu__list {
    grid-template-columns: 1fr;
  }
}