/*
 * ============================================================
 *  경희대학교 후마니타스칼리지 교양교육 15주년 설문시스템
 *  Custom Theme: ht15_bootswatch  (v2 – 2026-05-16 수정)
 *  Base: bootswatch / flatly / Bootstrap 5
 *
 *  [수정 내역]
 *  - custom_header.twig 의 khu-logo-wrap 제거
 *  - khu-subtitle-banner 는 custom.js 로 DOM 주입
 *  - .bg-primary 오버라이드 셀렉터 추가
 *  - body padding-top 을 JS 동적 처리
 *  - 실제 LimeSurvey 6.x HTML 클래스 기반 셀렉터로 전면 수정
 *
 *  Brand Colors:
 *    Navy    #1E3373  – primary
 *    Crimson #8B1A1A  – accent
 *    Gold    #C4A03B  – highlight
 *    BG      #F8F7F5  – background
 * ============================================================
 */

/* ── 0. CSS 변수 ──────────────────────────────────────────────── */
:root {
  --khu-navy:      #1E3373;
  --khu-navy-dk:   #152550;
  --khu-crimson:   #8B1A1A;
  --khu-gold:      #C4A03B;
  --khu-gold-lt:   #DEB84A;
  --khu-bg:        #F8F7F5;
  --khu-white:     #FFFFFF;
  --khu-border:    #D4C9A8;
  --khu-text:      #2C2C2C;
  --khu-text-md:   #555555;
  --khu-shadow:    rgba(30,51,115,0.10);
  --khu-r:         6px;
  --khu-tr:        0.18s ease;
}

/* ── 1. Body / 전체 배경 ──────────────────────────────────────── */
body {
  background-color: var(--khu-bg) !important;
  color: var(--khu-text) !important;
  font-family: 'Malgun Gothic','Apple SD Gothic Neo','Noto Sans KR',
               '맑은 고딕','NanumGothic',
               -apple-system, BlinkMacSystemFont, 'Segoe UI',
               Arial, sans-serif !important;
  font-size: 15px !important;
  line-height: 1.7 !important;
  /* padding-top 은 custom.js 가 동적으로 설정합니다 */
}

/* ── 2. 상단 네비게이션 바 (#survey-nav) ──────────────────────── */
/*
 * LimeSurvey HTML:
 *   <div id="survey-nav"
 *        class="navbar navbar-light bg-light navbar-expand-md fixed-top border-bottom pt-0 pb-0">
 */
#survey-nav.navbar {
  background-color: var(--khu-navy) !important;
  border-bottom: 3px solid var(--khu-gold) !important;
  box-shadow: 0 2px 12px var(--khu-shadow) !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

/* 모바일 토글 버튼 아이콘 (dark bg에서 보이도록) */
#survey-nav .navbar-toggler {
  border-color: rgba(255,255,255,0.4) !important;
}
#survey-nav .navbar-toggler-icon {
  filter: invert(1) !important;
}

/* 로고 영역 */
#survey-nav .navbar-brand,
#survey-nav .logo-container {
  padding: 8px 16px !important;
  background: transparent !important;
  line-height: 0;
}
#survey-nav .logo-container img.logo {
  max-height: 76px !important;
  width: auto !important;
  display: block !important;
}

/* 네비 링크 */
#survey-nav .nav-link {
  color: rgba(255,255,255,0.85) !important;
  font-size: 0.875rem !important;
  transition: color var(--khu-tr) !important;
  padding: 8px 14px !important;
}
#survey-nav .nav-link:hover,
#survey-nav .nav-link:focus {
  color: var(--khu-gold) !important;
}

/* ── 3. 서브타이틀 배너 (custom.js 가 주입) ───────────────────── */
/*
 * <div id="khu-subtitle-banner" class="khu-subtitle-banner"> ... </div>
 * navbar 아래에 fixed 로 위치
 */
.khu-subtitle-banner {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 1029;         /* navbar(1030) 바로 아래 */
  background: #EEF1F8;
  border-bottom: 1px solid #ccd5e8;
  padding: 7px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  box-shadow: 0 1px 4px rgba(30,51,115,0.08);
}
.khu-sb-college {
  color: var(--khu-navy);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.khu-sb-divider {
  display: inline-block;
  width: 1px;
  height: 16px;
  background: var(--khu-gold);
  flex-shrink: 0;
}
.khu-sb-title {
  color: var(--khu-crimson);
  font-size: 0.875rem;
  font-weight: 600;
}
.khu-sb-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.khu-badge15 {
  background: var(--khu-crimson);
  color: var(--khu-gold);
  border: 1.5px solid var(--khu-gold);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
}
.khu-badge15-sub {
  font-size: 0.55rem;
  font-weight: 600;
  color: var(--khu-white);
  line-height: 1;
}
.khu-sb-eng {
  font-size: 0.75rem;
  color: var(--khu-text-md);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
@media (max-width: 600px) {
  .khu-sb-title,
  .khu-sb-right { display: none !important; }
}

/* ── 4. 진행 표시줄 ──────────────────────────────────────────── */
/*
 * <div class="top-container space-col">
 *   <div class="top-content container-fluid">
 *     <div class="progress">
 *       <div class="progress-bar" style="width:N%">N%</div>
 */
.top-container {
  background: #dde3f0 !important;
  padding: 0 !important;
}
.top-container .progress {
  height: 8px !important;
  background-color: #dde3f0 !important;
  border-radius: 0 !important;
  margin: 0 !important;
  box-shadow: none !important;
}
.top-container .progress-bar {
  background: linear-gradient(
    90deg,
    var(--khu-navy) 0%,
    var(--khu-gold) 50%,
    var(--khu-gold-lt) 100%
  ) !important;
  transition: width 0.5s ease !important;
  font-size: 0 !important;  /* 숫자 텍스트 숨김 */
}

/* ── 5. 메인 컨테이너 ────────────────────────────────────────── */
#outerframeContainer {
  padding-top: 1.5rem !important;
  max-width: 900px !important;
}

/* ── 6. 그룹 헤더 ────────────────────────────────────────────── */
/*
 * <div class="group-title text-center h3 space-col">응답자 기본 정보</div>
 * Bootstrap의 .h3 와 .text-center 를 !important 로 오버라이드
 */
.group-title {
  background: linear-gradient(135deg,
    var(--khu-navy) 0%,
    var(--khu-navy-dk) 100%) !important;
  color: var(--khu-white) !important;
  border-left: 5px solid var(--khu-gold) !important;
  border-radius: var(--khu-r) var(--khu-r) 0 0 !important;
  padding: 14px 20px !important;
  margin: 0 0 0 0 !important;
  font-size: 1.0rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
  text-align: left !important;   /* .text-center 오버라이드 */
  line-height: 1.4 !important;
}

/* 그룹 설명 */
.group-desc,
.group-container > .group-description {
  background: #EEF1F8 !important;
  border-left: 5px solid var(--khu-gold) !important;
  border-right: 1px solid var(--khu-border) !important;
  border-bottom: 1px solid var(--khu-border) !important;
  border-top: none !important;
  padding: 10px 20px !important;
  font-size: 0.9rem !important;
  color: var(--khu-text-md) !important;
  margin-bottom: 1rem !important;
  border-radius: 0 0 0 0 !important;
}

/* ── 7. 질문 컨테이너 ────────────────────────────────────────── */
/*
 * <div id="questionN"
 *      class="row list-radio mandatory question-container">
 * .row = Bootstrap flex (margin -12px 양쪽) → overflow 주의
 */
.question-container {
  background: var(--khu-white) !important;
  border: 1px solid #dde3f0 !important;
  border-left: 4px solid var(--khu-navy) !important;
  border-radius: var(--khu-r) !important;
  box-shadow: 0 1px 8px var(--khu-shadow) !important;
  margin-bottom: 1.2rem !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  overflow: hidden !important;
  transition: box-shadow var(--khu-tr) !important;
}
.question-container:hover {
  box-shadow: 0 3px 16px rgba(30,51,115,0.15) !important;
}

/* ── 8. 질문 헤더 (.bg-primary 오버라이드) ───────────────────── */
/*
 * <div class="question-title-container bg-primary col-12">
 * Bootstrap 5 Flatly 의 bg-primary(#2C3E50) 를 흰색으로 오버라이드
 */
.question-container .question-title-container,
.question-container .question-title-container.bg-primary {
  background-color: var(--khu-white) !important;
  color: var(--khu-navy) !important;
  border-bottom: 1px solid #eef0f8 !important;
  padding: 14px 18px 10px !important;
  position: relative !important;
}

/* 질문 번호 */
.question-container .question-title-container .question-code,
.question-container .question-title-container .question-number {
  color: var(--khu-gold) !important;
  font-weight: 700 !important;
  font-size: 0.82rem !important;
  background: transparent !important;
}

/* 질문 텍스트 */
.question-container .question-title-container .question-text,
.question-container .question-title-container .ls-label-question {
  color: var(--khu-navy) !important;
  font-size: 1.0rem !important;
  font-weight: 600 !important;
  line-height: 1.6 !important;
}

/* 필수 별표 */
.question-container .asterisk .fa-asterisk,
.question-container .mandatory-star,
.question-container .required-sign {
  color: var(--khu-crimson) !important;
}

/* ── 9. 유효성 메시지 컨테이너 (.bg-primary.text-info 오버라이드) */
/*
 * <div class="question-valid-container bg-primary text-info col-12">
 */
.question-container .question-valid-container,
.question-container .question-valid-container.bg-primary {
  background-color: transparent !important;
  color: var(--khu-text-md) !important;
  padding: 4px 18px 6px !important;
}
.question-container .question-valid-container .ls-question-message {
  font-size: 0.83rem !important;
  color: var(--khu-text-md) !important;
}
.question-container .question-valid-container .error,
.question-container .question-valid-container .ls-question-message.error {
  color: var(--khu-crimson) !important;
  font-weight: 600 !important;
}

/* ── 10. 도움말 텍스트 ───────────────────────────────────────── */
.question-container .question-help-container {
  background: transparent !important;
  color: var(--khu-text-md) !important;
  padding: 4px 18px !important;
  font-size: 0.875rem !important;
}

/* ── 11. 답변 영역 ───────────────────────────────────────────── */
/*
 * <div class="answer-container col-12">
 */
.question-container .answer-container {
  background: #FAFBFD !important;
  padding: 10px 14px 14px !important;
}

/* ── 12. 라디오 / 체크 목록 ──────────────────────────────────── */
/*
 * <ul class="ls-answers answers-list radio-list list-unstyled" role="radiogroup">
 *   <li class="answer-item radio-item">
 *     <input type="radio" .../>
 *     <label class="control-label radio-label">...</label>
 *   </li>
 */
.answer-item {
  display: flex !important;
  align-items: center !important;
  padding: 6px 10px !important;
  border-radius: 5px !important;
  margin-bottom: 3px !important;
  cursor: pointer !important;
  transition: background var(--khu-tr) !important;
  gap: 10px !important;
}
.answer-item:hover {
  background-color: #EEF1F8 !important;
}

/* 커스텀 라디오 */
.answer-item input[type="radio"],
.ls-answers input[type="radio"] {
  -webkit-appearance: none !important;
  appearance: none !important;
  width: 18px !important;
  height: 18px !important;
  min-width: 18px !important;
  border: 2px solid #aabbd4 !important;
  border-radius: 50% !important;
  background: var(--khu-white) !important;
  cursor: pointer !important;
  transition: border-color var(--khu-tr), background var(--khu-tr) !important;
  flex-shrink: 0 !important;
  margin: 0 !important;
}
.answer-item input[type="radio"]:checked,
.ls-answers input[type="radio"]:checked {
  border-color: var(--khu-navy) !important;
  background-color: var(--khu-navy) !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='4.5' fill='white'/%3E%3C/svg%3E") !important;
  background-size: 100% !important;
  background-repeat: no-repeat !important;
}
.answer-item input[type="radio"]:focus,
.ls-answers input[type="radio"]:focus {
  outline: 3px solid rgba(30,51,115,0.3) !important;
  outline-offset: 2px !important;
}

td.answer-item,
.table-array-radio td.answer-item {
  display: table-cell !important;   ← flex 오버라이드 복구
  text-align: center !important;
  vertical-align: middle !important;
  padding: 6px 4px !important;
}
td.answer-item input[type="radio"] {
  display: inline-block !important;
  margin: 0 auto !important;
}

/* 커스텀 체크박스 */
.answer-item input[type="checkbox"],
.ls-answers input[type="checkbox"] {
  -webkit-appearance: none !important;
  appearance: none !important;
  width: 18px !important;
  height: 18px !important;
  min-width: 18px !important;
  border: 2px solid #aabbd4 !important;
  border-radius: 3px !important;
  background: var(--khu-white) !important;
  cursor: pointer !important;
  flex-shrink: 0 !important;
  margin: 0 !important;
  transition: border-color var(--khu-tr), background var(--khu-tr) !important;
}
.answer-item input[type="checkbox"]:checked,
.ls-answers input[type="checkbox"]:checked {
  border-color: var(--khu-navy) !important;
  background-color: var(--khu-navy) !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M4 10l4 4 8-8' stroke='white' stroke-width='2.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") !important;
  background-size: 100% !important;
  background-repeat: no-repeat !important;
}

/* 라디오/체크 라벨 */
.answer-item label,
.answer-item .radio-label,
.answer-item .control-label {
  cursor: pointer !important;
  font-size: 0.95rem !important;
  color: var(--khu-text) !important;
  margin: 0 !important;
  line-height: 1.5 !important;
}

/* ── 13. 텍스트 입력 ──────────────────────────────────────────── */
.form-control,
.answer-container input[type="text"],
.answer-container input[type="number"],
.answer-container input[type="email"],
.answer-container textarea,
.answer-container select {
  border: 1.5px solid #aabbd4 !important;
  border-radius: var(--khu-r) !important;
  color: var(--khu-text) !important;
  background: var(--khu-white) !important;
  font-size: 0.95rem !important;
  padding: 8px 12px !important;
  transition: border-color var(--khu-tr), box-shadow var(--khu-tr) !important;
}
.form-control:focus,
.answer-container input[type="text"]:focus,
.answer-container textarea:focus,
.answer-container select:focus {
  border-color: var(--khu-navy) !important;
  box-shadow: 0 0 0 3px rgba(30,51,115,0.15) !important;
  outline: none !important;
}

/* ── 14. 리커트 테이블 ───────────────────────────────────────── */
.ls-answers > thead > tr > th {
  background-color: var(--khu-navy) !important;
  color: var(--khu-white) !important;
  font-weight: 600 !important;
  text-align: center !important;
  padding: 10px 8px !important;
  font-size: 0.82rem !important;
  border-bottom: 2px solid var(--khu-gold) !important;
}
.ls-answers > thead > tr > th:first-child {
  text-align: left !important;
  padding-left: 12px !important;
}
.ls-answers > tbody > tr:nth-child(odd) {
  background-color: #F8F9FC !important;
}
.ls-answers > tbody > tr:nth-child(even) {
  background-color: var(--khu-white) !important;
}
.ls-answers > tbody > tr:hover {
  background-color: #EEF1F8 !important;
}
.ls-answers > tbody > td:first-child {
  text-align: left !important;
  padding-left: 12px !important;
  font-size: 0.9rem !important;
}

/* ── 15. 순위 선택 (Ranking) ─────────────────────────────────── */
.list-group.ranking-answerlist,
.ui-sortable {
  background: #FAFBFD !important;
  border: 1.5px solid #aabbd4 !important;
  border-radius: var(--khu-r) !important;
  padding: 6px !important;
  min-height: 60px !important;
}
.ranking-source-container,
.ranking-unselect {
  background: #F0F3F9 !important;
  border: 1.5px dashed #aabbd4 !important;
  border-radius: var(--khu-r) !important;
  padding: 6px !important;
  min-height: 60px !important;
}
.list-group-item.ranking-item,
.ui-sortable-handle,
.sortable-item {
  background: var(--khu-white) !important;
  border: 1.5px solid #ccd5e8 !important;
  border-left: 4px solid var(--khu-navy) !important;
  border-radius: 4px !important;
  margin-bottom: 5px !important;
  padding: 9px 12px !important;
  cursor: grab !important;
  transition: all var(--khu-tr) !important;
  box-shadow: 0 1px 4px var(--khu-shadow) !important;
  color: var(--khu-text) !important;
}
.list-group-item.ranking-item:hover,
.sortable-item:hover {
  border-left-color: var(--khu-gold) !important;
  box-shadow: 0 2px 10px var(--khu-shadow) !important;
}
.ui-sortable-helper {
  box-shadow: 0 6px 20px rgba(30,51,115,0.25) !important;
  cursor: grabbing !important;
  background: #EEF1F8 !important;
}
.drag-icon,
.ls-drag-icon {
  color: var(--khu-gold) !important;
  margin-right: 8px !important;
}
/* 순위 번호 뱃지 */
.ranking-badge,
.rank-number {
  background: var(--khu-navy) !important;
  color: var(--khu-white) !important;
  border-radius: 50% !important;
  width: 24px !important;
  height: 24px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 0.78rem !important;
  font-weight: 700 !important;
  margin-right: 8px !important;
  flex-shrink: 0 !important;
}

/* ── 16. 버튼 ────────────────────────────────────────────────── */
/* 다음 / 제출 버튼 (ls-move-btn btn-primary) */
#navigator-container .btn-primary,
.ls-move-btn.btn-primary,
#ls-button-submit {
  background-color: var(--khu-navy) !important;
  border-color: var(--khu-navy) !important;
  color: var(--khu-white) !important;
  border-radius: var(--khu-r) !important;
  font-weight: 600 !important;
  padding: 10px 28px !important;
  font-size: 0.95rem !important;
  letter-spacing: 0.04em !important;
  box-shadow: 0 2px 8px rgba(30,51,115,0.25) !important;
  transition: all var(--khu-tr) !important;
}
#navigator-container .btn-primary:hover,
.ls-move-btn.btn-primary:hover,
#ls-button-submit:hover {
  background-color: var(--khu-navy-dk) !important;
  border-color: var(--khu-navy-dk) !important;
  box-shadow: 0 4px 14px rgba(30,51,115,0.35) !important;
  transform: translateY(-1px) !important;
}
/* 이전 버튼 */
#navigator-container .btn-default,
#navigator-container .btn-secondary,
.ls-move-btn.btn-secondary {
  background-color: var(--khu-white) !important;
  border: 1.5px solid var(--khu-navy) !important;
  color: var(--khu-navy) !important;
  border-radius: var(--khu-r) !important;
  font-weight: 600 !important;
  padding: 10px 24px !important;
  transition: all var(--khu-tr) !important;
}
#navigator-container .btn-default:hover,
.ls-move-btn.btn-secondary:hover {
  background-color: #EEF1F8 !important;
}

/* ── 17. 유효성 오류 강조 ────────────────────────────────────── */
.question-container.mandatory-question-error,
.question-container.has-error {
  border-left-color: var(--khu-crimson) !important;
}
.em_num_answers,
.ls-question-message.error {
  color: var(--khu-crimson) !important;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
}

/* ── 18. 알림 박스 ───────────────────────────────────────────── */
.alert {
  border-radius: var(--khu-r) !important;
  border-left-width: 4px !important;
}
.alert-info {
  background: #EEF1F8 !important;
  border-color: var(--khu-navy) !important;
  color: var(--khu-navy) !important;
}
.alert-warning {
  background: #FEF9EE !important;
  border-color: var(--khu-gold) !important;
  color: #6B5200 !important;
}
.alert-danger {
  background: rgba(139,26,26,0.07) !important;
  border-color: var(--khu-crimson) !important;
  color: var(--khu-crimson) !important;
}

/* ── 19. 완료 페이지 ──────────────────────────────────────────── */
#completed-div,
.completed-survey {
  text-align: center !important;
  padding: 3rem 2rem !important;
  background: var(--khu-white) !important;
  border-radius: var(--khu-r) !important;
  border-top: 4px solid var(--khu-gold) !important;
  box-shadow: 0 2px 16px var(--khu-shadow) !important;
}
#completed-div h3,
.completed-survey h2 {
  color: var(--khu-navy) !important;
  font-size: 1.6rem !important;
  font-weight: 700 !important;
  margin-bottom: 1rem !important;
}

/* ── 20. 환영 / 시작 페이지 ──────────────────────────────────── */
#welcome-text-container,
.jumbotron,
.welcome-container {
  background: var(--khu-white) !important;
  border: 1px solid var(--khu-border) !important;
  border-top: 4px solid var(--khu-navy) !important;
  border-radius: var(--khu-r) !important;
  box-shadow: 0 2px 16px var(--khu-shadow) !important;
  padding: 2.5rem 2rem !important;
  margin-bottom: 1.5rem !important;
}

/* ── 21. 푸터 ────────────────────────────────────────────────── */
#footer,
footer.footer {
  background-color: var(--khu-navy) !important;
  color: rgba(255,255,255,0.75) !important;
  text-align: center !important;
  padding: 16px 20px !important;
  font-size: 0.82rem !important;
  border-top: 2px solid var(--khu-gold) !important;
  margin-top: 2.5rem !important;
}
#footer a, footer.footer a {
  color: var(--khu-gold) !important;
  text-decoration: none !important;
}
#footer a:hover, footer.footer a:hover {
  color: var(--khu-gold-lt) !important;
  text-decoration: underline !important;
}

/* ── 22. 접근성 포커스 ────────────────────────────────────────── */
:focus-visible {
  outline: 3px solid var(--khu-gold) !important;
  outline-offset: 2px !important;
}

/* ── 23. 반응형 (모바일) ──────────────────────────────────────── */
@media (max-width: 767px) {
  #survey-nav .logo-container img.logo {
    max-height: 52px !important;
  }
  .question-container {
    margin-bottom: 0.9rem !important;
  }
  #navigator-container .btn-primary,
  #navigator-container .btn-default,
  #navigator-container .btn-secondary {
    width: 100% !important;
    margin-bottom: 6px !important;
  }
  .group-title {
    font-size: 0.9rem !important;
    padding: 10px 14px !important;
  }
  .question-container .question-title-container {
    padding: 10px 14px 8px !important;
  }
  .question-container .answer-container {
    padding: 8px 10px 12px !important;
  }
  .khu-sb-eng { display: none !important; }
}

/* ── 24. 인쇄 ────────────────────────────────────────────────── */
@media print {
  #survey-nav,
  .khu-subtitle-banner,
  .top-container,
  #footer { display: none !important; }
  body {
    background: white !important;
    padding-top: 0 !important;
  }
  .question-container {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
    break-inside: avoid;
  }
}

/* ═══════════════════════════════════════════════════════════════
   25. 설문 목록 페이지 (Survey List / Homepage)
   LimeSurvey HTML:
     <body id="surveys-list-body" class="...">
       <div id="survey-nav" ...>...</div>        ← 공통 navbar
       <div id="surveys-list-jumbotron" ...>
         <img src=".../survey_list_header.png"/>
         <span>경희대학교 후마니타스칼리지 설문시스템</span>
       </div>
       <div class="surveys-list-container container">
         <div class="surveys-list row"> ... </div>
       </div>
       <footer>
         <div class="container">
           <a href="..."><img src=".../poweredby.png"/></a>
         </div>
       </footer>
   ═══════════════════════════════════════════════════════════════ */

/* 25-1. 설문 목록 페이지 body */
body#surveys-list-body {
  background-color: var(--khu-bg) !important;
  /* padding-top은 navbar 높이에 맞게 custom.js가 동적 설정 */
}

/* 25-2. 히어로 영역 (#surveys-list-jumbotron)
 * .jumbotron 일반 스타일(section 20) 오버라이드
 */
#surveys-list-jumbotron {
  background-color: var(--khu-navy) !important;
  border: none !important;
  border-top: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: 0 !important;
  margin: 0 0 2rem 0 !important;
  text-align: center !important;
  position: relative !important;
  overflow: hidden !important;
}

/* 헤더 이미지 (survey_list_header.png) */
#surveys-list-jumbotron img.img-fluid {
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  margin: 0 auto !important;
  object-fit: cover !important;
}

/* 설문시스템 제목 텍스트 */
#surveys-list-jumbotron > span,
#surveys-list-jumbotron .survey-list-title {
  display: block !important;
  background-color: var(--khu-navy) !important;
  color: var(--khu-white) !important;
  font-size: 1.4rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.06em !important;
  padding: 16px 20px 18px !important;
  text-align: center !important;
  border-top: 3px solid var(--khu-gold) !important;
  margin: 0 !important;
}

/* 25-3. 설문 목록 컨테이너 */
.surveys-list-container {
  max-width: 900px !important;
  margin: 0 auto !important;
  padding: 0 16px 2rem !important;
}

/* 25-4. 개별 설문 카드 */
.surveys-list .survey-item,
.surveys-list > .col,
.surveys-list > [class*="col-"] {
  margin-bottom: 1.2rem !important;
}

.surveys-list .survey-box,
.surveys-list .panel,
.surveys-list .card {
  background: var(--khu-white) !important;
  border: 1px solid #dde3f0 !important;
  border-left: 4px solid var(--khu-navy) !important;
  border-radius: var(--khu-r) !important;
  box-shadow: 0 1px 8px var(--khu-shadow) !important;
  padding: 18px 22px !important;
  transition: box-shadow var(--khu-tr), transform var(--khu-tr) !important;
  margin-bottom: 1rem !important;
}
.surveys-list .survey-box:hover,
.surveys-list .panel:hover,
.surveys-list .card:hover {
  box-shadow: 0 4px 18px rgba(30,51,115,0.16) !important;
  transform: translateY(-2px) !important;
}

/* 설문 제목 */
.surveys-list .survey-title,
.surveys-list h3,
.surveys-list .panel-title {
  color: var(--khu-navy) !important;
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  margin-bottom: 0.4rem !important;
}
.surveys-list .survey-title a,
.surveys-list h3 a {
  color: var(--khu-navy) !important;
  text-decoration: none !important;
}
.surveys-list .survey-title a:hover,
.surveys-list h3 a:hover {
  color: var(--khu-crimson) !important;
  text-decoration: underline !important;
}

/* 설문 설명 */
.surveys-list .survey-description,
.surveys-list .panel-body p {
  color: var(--khu-text-md) !important;
  font-size: 0.9rem !important;
  line-height: 1.6 !important;
  margin-bottom: 0.8rem !important;
}

/* 설문 참여 버튼 */
.surveys-list .btn,
.surveys-list a.btn {
  background-color: var(--khu-navy) !important;
  border-color: var(--khu-navy) !important;
  color: var(--khu-white) !important;
  border-radius: var(--khu-r) !important;
  font-weight: 600 !important;
  padding: 8px 22px !important;
  font-size: 0.9rem !important;
  transition: all var(--khu-tr) !important;
  text-decoration: none !important;
}
.surveys-list .btn:hover,
.surveys-list a.btn:hover {
  background-color: var(--khu-navy-dk) !important;
  border-color: var(--khu-navy-dk) !important;
  box-shadow: 0 3px 10px rgba(30,51,115,0.25) !important;
  transform: translateY(-1px) !important;
}

/* 25-5. 설문 목록 페이지 푸터
 * poweredby.png 이미지를 포함하는 <footer>
 */
body#surveys-list-body footer,
body#surveys-list-body #footer {
  background-color: var(--khu-navy) !important;
  border-top: 2px solid var(--khu-gold) !important;
  padding: 20px !important;
  text-align: center !important;
  margin-top: 2rem !important;
}

/* poweredby.png 이미지 */
body#surveys-list-body footer img,
body#surveys-list-body #footer img {
  max-height: 56px !important;
  width: auto !important;
  opacity: 0.92 !important;
  filter: brightness(1.1) !important;
  transition: opacity var(--khu-tr) !important;
}
body#surveys-list-body footer img:hover,
body#surveys-list-body #footer img:hover {
  opacity: 1 !important;
}

/* poweredby 링크 & 텍스트 숨기기 (LimeSurvey 텍스트 제거) */
body#surveys-list-body footer a[href*="limesurvey"],
body#surveys-list-body footer a[href*="limesurvey.org"] {
  pointer-events: none !important;  /* 링크 비활성화 */
}
body#surveys-list-body footer .container > a[href*="limesurvey.org"] + a,
body#surveys-list-body footer .container > a + a,
body#surveys-list-body footer .container > a ~ * {
  /* "The Online Survey Tool - Free & Open Source" 텍스트 노드는
     CSS로 숨기기 어려워 투명 처리 */
  color: transparent !important;
  font-size: 0 !important;
}

/* 25-6. 설문 목록 페이지 반응형 */
@media (max-width: 767px) {
  #surveys-list-jumbotron > span,
  #surveys-list-jumbotron .survey-list-title {
    font-size: 1.05rem !important;
    padding: 12px 14px 14px !important;
    letter-spacing: 0.03em !important;
  }
  .surveys-list .survey-box,
  .surveys-list .panel,
  .surveys-list .card {
    padding: 14px 16px !important;
  }
}