:root{
  --subject-gold:#efb701;
  --subject-gold-dark:#705600;
  --subject-ink:#252116;
  --subject-muted:#6e6758;
  --subject-line:#e3dcc7;
  --subject-bg:#f7f5ef;
  --subject-green:#08703c;
  --subject-red:#aa2d2d;
}
*{box-sizing:border-box}
body.kdl-subject-index-body,body.kdl-subject-practice-body{margin:0;background:var(--subject-bg);color:var(--subject-ink)}

/* 연도·과목 선택 */
.kdl-subject-index-page{min-height:68vh;padding:58px 0 82px}
.kdl-subject-index-shell{max-width:1120px}
.kdl-subject-index-head{padding:32px;border:1px solid var(--subject-line);border-radius:22px;background:#fff;box-shadow:0 14px 34px rgba(45,38,20,.07)}
.kdl-subject-index-eyebrow{display:inline-flex;align-items:center;min-height:30px;padding:0 11px;border-radius:999px;background:#fff4c2;color:#6a5100;font-size:13px;font-weight:900}
.kdl-subject-index-head h1{margin:14px 0 10px;color:#211e16;font-size:40px;line-height:1.2;letter-spacing:-.04em}
.kdl-subject-index-head p{max-width:760px;margin:0;color:var(--subject-muted);font-size:17px;line-height:1.75}
.kdl-subject-index-summary{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.kdl-subject-index-summary span{display:inline-flex;align-items:center;min-height:34px;padding:0 12px;border-radius:999px;background:#f0ece1;color:#554d3b;font-size:13px;font-weight:900}
.kdl-subject-year{margin-top:38px}
.kdl-subject-year-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
.kdl-subject-year-head h2{margin:0;color:#282319;font-size:27px;letter-spacing:-.035em}
.kdl-subject-year-head>span{flex:0 0 auto;padding:7px 11px;border-radius:999px;background:#ebe5d5;color:#665e4b;font-size:12px;font-weight:900}
.kdl-subject-card-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.kdl-subject-card{position:relative;display:flex;flex-direction:column;min-height:154px;padding:20px 17px;border:1px solid var(--subject-line);border-radius:17px;background:#fff;color:inherit;text-decoration:none;box-shadow:0 8px 20px rgba(45,38,20,.045);transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}
.kdl-subject-card:hover,.kdl-subject-card:focus-visible{border-color:#b79b39;outline:none;transform:translateY(-2px);box-shadow:0 14px 28px rgba(65,51,7,.11)}
.kdl-subject-card-number{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--subject-gold);color:#2b2200;font-size:15px;font-weight:950}
.kdl-subject-card strong{display:block;margin-top:15px;color:#282318;font-size:17px;line-height:1.4;letter-spacing:-.025em}
.kdl-subject-card small{display:block;margin-top:auto;padding-top:10px;color:#777060;font-size:12px;font-weight:800}
.kdl-subject-index-empty{padding:28px;border:1px solid var(--subject-line);border-radius:17px;background:#fff;color:var(--subject-muted)}

/* 과목별 문제 풀이 */
.kdl-subject-practice-page{min-height:72vh;padding:24px 0 74px}
.kdl-subject-practice-layout{display:grid;grid-template-columns:250px minmax(0,940px);align-items:start;gap:20px;width:min(1240px,calc(100% - 32px));margin:0 auto}
.kdl-subject-practice-content{min-width:0}
.kdl-subject-number-nav{position:sticky;top:var(--kdl-subject-nav-top,18px);z-index:5;align-self:start;max-height:calc(100vh - var(--kdl-subject-nav-top,18px) - 18px)}
.kdl-subject-number-panel{display:flex;flex-direction:column;max-height:inherit;padding:14px 12px 12px;border:1px solid rgba(17,24,39,.14);border-radius:16px;background:#fffdf7;box-shadow:0 14px 34px rgba(45,38,20,.1)}
.kdl-subject-number-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.kdl-subject-number-head strong{font-size:16px;line-height:1.3}
.kdl-subject-number-head span{flex:0 0 auto;padding:4px 8px;border-radius:999px;background:#f0e7c7;color:#66520e;font-size:11px;font-weight:900}
.kdl-subject-number-panel>p{margin:7px 0 11px;overflow:hidden;color:#706a5d;font-size:12px;font-weight:800;line-height:1.45;text-overflow:ellipsis;white-space:nowrap}
.kdl-subject-number-list{display:grid;grid-template-columns:repeat(5,38px);justify-content:center;gap:7px;min-height:0;padding:1px 2px 7px;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}
.kdl-subject-number-list button{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;padding:0;border:1px solid #ddd4b6;border-radius:8px;background:#fff;color:#4b463a;font:inherit;font-size:12px;font-weight:900;line-height:1;cursor:pointer;transition:border-color .14s ease,background .14s ease,color .14s ease,transform .14s ease}
.kdl-subject-number-list button:hover,.kdl-subject-number-list button:focus-visible{border-color:#9b7b09;color:#5b4700;outline:none;transform:translateY(-1px)}
.kdl-subject-number-list button.is-correct{border-color:#82c49e;background:#e9f8f0;color:#08703c}
.kdl-subject-number-list button.is-wrong{border-color:#e0a4a4;background:#fff0f0;color:#a72d2d}
.kdl-subject-number-list button[aria-current="true"]{border-color:#342a00;background:var(--subject-gold);color:#251f08;box-shadow:0 5px 14px rgba(111,84,0,.22)}

.kdl-subject-practice-top{display:flex;gap:18px;padding:25px 27px;border:1px solid var(--subject-line);border-radius:18px;background:#fff;box-shadow:0 10px 26px rgba(45,38,20,.055)}
.kdl-subject-practice-top>a{flex:0 0 auto;align-self:flex-start;color:#66520e;font-size:13px;font-weight:900;text-decoration:none}
.kdl-subject-practice-top>a:hover{text-decoration:underline}
.kdl-subject-practice-top span{display:block;color:#8a6b00;font-size:13px;font-weight:900}
.kdl-subject-practice-top h1{margin:5px 0 8px;color:#282318;font-size:30px;line-height:1.3;letter-spacing:-.04em}
.kdl-subject-practice-top p{margin:0;color:var(--subject-muted);font-size:14px;line-height:1.65}

.kdl-subject-progress{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:16px;margin-top:14px;padding:15px 17px;border:1px solid var(--subject-line);border-radius:15px;background:#fff}
.kdl-subject-progress-main>div:first-child,.kdl-subject-progress-score{display:flex;align-items:center;justify-content:space-between;gap:10px}
.kdl-subject-progress span{color:#746d5d;font-size:12px;font-weight:850}
.kdl-subject-progress strong{color:#302a1d;font-size:14px;font-weight:950}
.kdl-subject-progress-track{height:8px;margin-top:8px;overflow:hidden;border-radius:999px;background:#eee9dc}
.kdl-subject-progress-track span{display:block;width:0;height:100%;border-radius:inherit;background:var(--subject-gold);transition:width .2s ease}
.kdl-subject-progress-score{min-width:126px;padding-left:16px;border-left:1px solid #e9e2d1}
.kdl-subject-progress>button{min-height:42px;padding:0 14px;border:1px solid #d8cda9;border-radius:10px;background:#fffdf7;color:#5c4700;font:inherit;font-size:13px;font-weight:900;cursor:pointer}
.kdl-subject-progress>button:hover{border-color:#9b7b09}

.kdl-subject-question-card{margin-top:16px;overflow:hidden;border:1px solid var(--subject-line);border-radius:18px;background:#fff;box-shadow:0 14px 34px rgba(45,38,20,.07);scroll-margin-top:20px}
.kdl-subject-question-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;border-bottom:1px solid #ece5d4;background:#fffaf0}
.kdl-subject-question-head>div{display:flex;align-items:center;gap:12px;min-width:0}
.kdl-subject-question-head strong{display:inline-flex;align-items:center;justify-content:center;min-width:58px;height:36px;padding:0 12px;border-radius:999px;background:var(--subject-gold);color:#292100;font-size:16px;font-weight:950}
.kdl-subject-question-head span{overflow:hidden;color:#625b4b;font-size:13px;font-weight:850;text-overflow:ellipsis;white-space:nowrap}
.kdl-subject-question-head small{flex:0 0 auto;color:#766e5d;font-size:12px;font-weight:900}
.kdl-subject-question-body{padding:27px 24px 24px}
.kdl-subject-question-body h2{margin:0;color:#252a33;font-size:24px;font-weight:800;line-height:1.62;letter-spacing:-.025em;white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere}
.kdl-subject-options{display:grid;gap:10px;margin-top:25px}
.kdl-subject-option{position:relative;display:grid;grid-template-columns:46px minmax(0,1fr) auto;align-items:center;gap:12px;min-height:64px;padding:8px 13px 8px 8px;border:1px solid #e5dcc9;border-radius:11px;background:#fff;color:#3c4350;cursor:pointer;transition:border-color .14s ease,background .14s ease,box-shadow .14s ease}
.kdl-subject-option:hover{border-color:#bda345;background:#fffdf5}
.kdl-subject-option input{position:absolute;opacity:0;pointer-events:none}
.kdl-subject-option-marker{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:2px solid #e7ded0;border-radius:50%;background:#fff;color:#554f43;font-size:18px;font-weight:900}
.kdl-subject-option-text{min-width:0;font-size:18px;line-height:1.6;white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere}
.kdl-subject-option.is-selected{border-color:#d2ad17;background:#fff8d8;box-shadow:0 0 0 1px rgba(239,183,1,.18)}
.kdl-subject-option.is-selected .kdl-subject-option-marker{border-color:#d8a900;background:var(--subject-gold);color:#201a00}
.kdl-subject-option.is-correct{border-color:#72b893;background:#edf9f2}
.kdl-subject-option.is-correct .kdl-subject-option-marker{border-color:#2c9560;background:#dff5e9;color:#08703c}
.kdl-subject-option.is-wrong{border-color:#db9696;background:#fff1f1}
.kdl-subject-option.is-wrong .kdl-subject-option-marker{border-color:#c94e4e;background:#ffe1e1;color:#a72d2d}
.kdl-subject-option.is-locked{cursor:default}
.kdl-subject-answer-badge{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:950;white-space:nowrap}
.kdl-subject-answer-badge.is-correct{background:#d9f2e5;color:#08703c}
.kdl-subject-answer-badge.is-wrong{background:#ffdddd;color:#a72d2d}
.kdl-subject-feedback{margin-top:18px;padding:17px 18px;border:1px solid #ded5be;border-radius:12px;background:#fffaf0}
.kdl-subject-feedback.is-correct{border-color:#83c7a4;background:#edf9f2}
.kdl-subject-feedback.is-wrong{border-color:#e0a3a3;background:#fff1f1}
.kdl-subject-feedback strong{display:block;font-size:17px;font-weight:950}
.kdl-subject-feedback.is-correct strong{color:var(--subject-green)}
.kdl-subject-feedback.is-wrong strong{color:var(--subject-red)}
.kdl-subject-feedback p{margin:7px 0 0;color:#514a3c;font-size:18px;line-height:1.65;white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere}
.kdl-subject-controls{display:flex;justify-content:space-between;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid #ece5d7}
.kdl-subject-controls button{min-width:118px;min-height:46px;padding:0 18px;border:1px solid #d8cda9;border-radius:10px;background:#fff;color:#4e4636;font:inherit;font-size:14px;font-weight:900;cursor:pointer}
.kdl-subject-controls button:last-child{border-color:#d4a700;background:var(--subject-gold);color:#271f00}
.kdl-subject-controls button:disabled{opacity:.4;cursor:not-allowed}
.kdl-subject-live{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

@media(max-width:1180px){
  .kdl-subject-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .kdl-subject-practice-layout{grid-template-columns:220px minmax(0,1fr)}
  .kdl-subject-number-list{grid-template-columns:repeat(4,38px)}
}
@media(max-width:980px){
  .kdl-subject-index-page{padding-top:38px}
  .kdl-subject-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kdl-subject-practice-layout{display:block;width:min(900px,calc(100% - 28px))}
  .kdl-subject-number-nav{position:sticky;top:var(--kdl-subject-nav-top,0px);z-index:20;max-height:none;margin-bottom:12px}
  .kdl-subject-number-panel{display:block;padding:10px 11px;background:rgba(255,253,247,.97);backdrop-filter:blur(10px)}
  .kdl-subject-number-head,.kdl-subject-number-panel>p{display:none}
  .kdl-subject-number-list{display:flex;justify-content:flex-start;gap:6px;padding:1px;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin}
  .kdl-subject-number-list button{flex:0 0 38px}
}
@media(max-width:640px){
  .kdl-subject-index-page{padding:24px 0 58px}
  .kdl-subject-index-head{padding:23px 20px;border-radius:17px}
  .kdl-subject-index-head h1{font-size:31px}
  .kdl-subject-index-head p{font-size:15px}
  .kdl-subject-year{margin-top:30px}
  .kdl-subject-year-head{align-items:flex-end}
  .kdl-subject-year-head h2{font-size:22px}
  .kdl-subject-card-grid{grid-template-columns:1fr}
  .kdl-subject-card{min-height:128px}
  .kdl-subject-practice-page{padding-top:10px}
  .kdl-subject-practice-layout{width:calc(100% - 20px)}
  .kdl-subject-practice-top{display:block;padding:19px 18px}
  .kdl-subject-practice-top>a{display:inline-block;margin-bottom:13px}
  .kdl-subject-practice-top h1{font-size:25px}
  .kdl-subject-progress{grid-template-columns:1fr 1fr;gap:13px;padding:14px}
  .kdl-subject-progress-main{grid-column:1/-1}
  .kdl-subject-progress-score{padding-left:0;border-left:0}
  .kdl-subject-progress>button{width:100%}
  .kdl-subject-question-head{align-items:flex-start;padding:14px}
  .kdl-subject-question-head>div{align-items:flex-start;flex-direction:column;gap:7px}
  .kdl-subject-question-head span{white-space:normal}
  .kdl-subject-question-body{padding:21px 14px 18px}
  .kdl-subject-question-body h2{font-size:20px;line-height:1.65}
  .kdl-subject-option{grid-template-columns:42px minmax(0,1fr);gap:9px;min-height:60px;padding:8px}
  .kdl-subject-option-marker{width:40px;height:40px;font-size:17px}
  .kdl-subject-option-text{font-size:16px}
  .kdl-subject-answer-badge{grid-column:2;justify-self:start;margin-bottom:4px}
  .kdl-subject-controls button{min-width:0;flex:1;padding:0 10px}
}

.kdl-subject-explanation{margin-top:14px;padding-top:14px;border-top:1px dashed rgba(81,74,60,.28)}
.kdl-subject-explanation>strong{display:block!important;color:#4d3b00!important;font-size:18px!important;font-weight:950}
.kdl-subject-explanation-content{max-width:100%;margin:7px 0 0!important;overflow-x:auto;color:#414852!important;font-size:18px!important;line-height:1.75!important;white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere;-webkit-overflow-scrolling:touch}
.kdl-subject-explanation-content table{width:100%;min-width:560px;max-width:none;margin:8px 0;border-collapse:collapse;table-layout:auto;white-space:normal}
.kdl-subject-explanation-content th,.kdl-subject-explanation-content td{box-sizing:border-box;white-space:normal;word-break:keep-all;overflow-wrap:anywhere;vertical-align:top}
.kdl-subject-explanation-content thead,.kdl-subject-explanation-content tbody,.kdl-subject-explanation-content tfoot,.kdl-subject-explanation-content tr{white-space:normal}
@media(max-width:640px){.kdl-subject-explanation-content{font-size:16px!important}.kdl-subject-explanation-content table{min-width:520px}}

#subjectFeedbackText{font-size:20px;font-weight:800;line-height:1.55}

/* Keep the explanation panel on its original neutral background after grading. */
.kdl-subject-explanation{
  margin:14px -18px -17px;
  padding:14px 18px 17px;
  border-radius:0 0 11px 11px;
  background:#fffaf0;
}
.kdl-subject-feedback.is-correct .kdl-subject-explanation,
.kdl-subject-feedback.is-wrong .kdl-subject-explanation{
  background:#fffaf0;
}


/* Fire inspector additions */
.fire-exam-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:28px 0 70px}.fire-exam-card{display:flex;min-height:180px;flex-direction:column;justify-content:center;gap:9px;padding:26px;border:1px solid #d9e2ea;border-radius:22px;background:#fff;color:#10283c;text-decoration:none;box-shadow:0 12px 30px rgba(18,42,62,.08);transition:.2s}.fire-exam-card:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(18,42,62,.14)}.fire-exam-card span{font-size:13px;font-weight:800;color:#5d7182}.fire-exam-card strong{font-size:30px}.fire-exam-card em{font-style:normal;font-weight:800;color:#d34b35}.fire-question-media{margin:18px 0 24px;padding:16px;border:1px solid #dce4ea;border-radius:16px;background:#fff;text-align:center;overflow:auto}.fire-question-media figcaption{margin:0 0 12px;text-align:left;font-size:13px;font-weight:800;color:#52697a}.fire-question-media img{display:block;max-width:100%;height:auto;margin:0 auto}.kdl-subject-question-body .fire-question-media{max-width:760px}
@media(max-width:900px){.fire-exam-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.fire-exam-grid{grid-template-columns:1fr}.fire-exam-card{min-height:135px}.fire-question-media{padding:8px}}

/* 과목별 100문항 세트 선택 */
.kdl-subject-index-back{display:inline-flex;margin:0 0 14px;color:#66520e;font-size:13px;font-weight:900;text-decoration:none}
.kdl-subject-index-back:hover,.kdl-subject-index-back:focus-visible{text-decoration:underline}
.kdl-subject-set-grid{width:100%;max-width:none;grid-template-columns:repeat(4,minmax(0,1fr))}
.kdl-subject-set-card{min-height:178px}
.kdl-subject-card-range{display:block;margin-top:8px;color:#756b55;font-size:13px;font-weight:850;line-height:1.5}
@media(max-width:980px){.kdl-subject-set-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.kdl-subject-set-grid{grid-template-columns:1fr}.kdl-subject-set-card{min-height:138px}}