:root{
  --text:#111827; --text-2:#475569; --text-3:#6b7280;
  --border:#D6DCE3; --border-strong:#D1D5DB;
  --success:#0B875A; --danger:#C2413F;
  --primary:#2451DF; --primary-border:#3157D7;
  --bg:#F5F6F8; --surface:#ffffff;
  --ui-font:"Pretendard Variable",Pretendard,"Noto Sans KR",system-ui,sans-serif;
}
#screen-study{
  --exam-serif-font:"Nanum Myeongjo", "Noto Serif CJK KR", "Noto Serif KR", "Batang", "바탕", "AppleMyungjo", serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html,body{background:var(--bg);}
body{color:var(--text);font-family:var(--ui-font);line-height:1.6;-webkit-text-size-adjust:100%;}

.seo-crumb{font-family:var(--ui-font);font-size:12px;color:#9aa2af;margin-bottom:10px;word-break:keep-all;}
.seo-crumb a{color:#9aa2af;text-decoration:none;} .seo-crumb b{color:var(--primary);font-weight:700;}
.seo-list-h1{font-family:var(--ui-font);font-size:22px;font-weight:800;color:var(--text);margin:6px 0;word-break:keep-all;}
.seo-list-sub{font-family:var(--ui-font);font-size:13.5px;color:#64748b;margin-bottom:18px;line-height:1.7;word-break:keep-all;}
.seo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px;}
.seo-grid a{font-family:var(--ui-font);font-size:14px;font-weight:700;color:#334155;text-decoration:none;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:#fff;word-break:keep-all;}
.seo-foot{font-family:var(--ui-font);margin-top:34px;font-size:11px;color:#9aa2af;line-height:1.8;text-align:center;}
.es-wrap{max-width:900px;margin:0 auto;padding:18px 20px 0;box-sizing:border-box;}
.es-after{max-width:900px;margin:0 auto;padding:0 20px 60px;box-sizing:border-box;}
.es-h1{font-family:var(--ui-font);font-size:19px;font-weight:800;color:var(--text);margin:0 0 8px;word-break:keep-all;line-height:1.45;}
.es-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:4px;}
.es-tag{font-family:var(--ui-font);font-size:12.5px;font-weight:800;color:var(--primary);background:rgba(36,81,223,.10);border-radius:999px;padding:4px 12px;}
.es-tag.g{color:#64748b;background:#eef1f6;}
.es-tag.o{color:#0B875A;background:rgba(11,135,90,.10);}
.es-munlist{display:flex;flex-direction:column;gap:9px;}
.es-munrow{display:grid;grid-template-columns:auto auto 1fr;align-items:baseline;gap:10px;font-family:var(--ui-font);text-decoration:none;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:#fff;}
.es-munlab{font-size:15px;font-weight:800;color:var(--primary);white-space:nowrap;}
.es-mini{font-size:11.5px;font-weight:800;color:#64748b;background:#eef1f6;border-radius:999px;padding:3px 9px;white-space:nowrap;}
.es-mini.o{color:#0B875A;background:rgba(11,135,90,.10);}
.es-munpeek{font-size:13px;color:#64748b;line-height:1.6;word-break:keep-all;overflow:hidden;}
@media (max-width:767px){.es-munrow{grid-template-columns:auto auto;}.es-munpeek{grid-column:1/-1;}}
.es-paper{background:var(--bg);border:1px solid var(--border);border-radius:14px;box-shadow:0 6px 22px rgba(15,23,42,.06);padding:26px 28px;margin-top:14px;}
.es-paper .sq-wrap{margin-top:0;}
.es-card{background:var(--bg);border:1px solid var(--border);border-radius:14px;box-shadow:0 6px 22px rgba(15,23,42,.06);padding:22px 24px;margin-top:14px;}
.es-card-h{font-family:var(--ui-font);font-size:13px;font-weight:800;color:var(--text);margin-bottom:10px;}
.es-lead{font-family:var(--ui-font);font-size:13.5px;color:#475569;line-height:1.75;word-break:keep-all;}
.es-cta-wrap{text-align:center;margin-top:20px;}
.es-cta{display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 26px;background:var(--primary);color:#fff;font-family:var(--ui-font);font-size:15px;font-weight:800;border-radius:12px;text-decoration:none;box-shadow:0 8px 22px rgba(36,81,223,.26);word-break:keep-all;}
.es-cta-sub{font-family:var(--ui-font);font-size:12px;color:#94a3b8;margin-top:9px;}
.es-gate{margin-top:14px;}
.es-gate-btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 22px;border:1.5px solid var(--primary);border-radius:12px;background:#fff;color:var(--primary);font-family:var(--ui-font);font-size:14.5px;font-weight:800;cursor:pointer;word-break:keep-all;}
.es-gate-btn[disabled]{opacity:.55;cursor:default;}
.es-gate-msg{font-family:var(--ui-font);font-size:13px;color:#64748b;line-height:1.7;margin-top:10px;word-break:keep-all;}
.es-gate-msg a{color:var(--primary);font-weight:700;}
.es-answer{margin-top:16px;border-top:1px solid var(--border);padding-top:16px;}
.es-answer-h{font-family:var(--ui-font);font-size:13px;font-weight:800;color:#0B875A;margin-bottom:10px;}
.es-nav{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap;}
.es-nav a{flex:1;min-width:150px;text-align:center;font-family:var(--ui-font);font-size:13.5px;font-weight:700;color:#334155;text-decoration:none;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:#fff;word-break:keep-all;}
@media (max-width:767px){.es-wrap{padding:14px 14px 0;}.es-after{padding:0 14px 48px;}.es-paper{padding:18px 16px;}}

.sg-md-body { font-family: var(--exam-serif-font, 'Batang', '바탕', 'KoPub World Batang', 'Noto Serif KR', 'Nanum Myeongjo', 'AppleMyungjo', serif); font-size: 15px; line-height: 1.75; color: var(--text); }
.sg-quote { margin: 6px 0; padding: 4px 12px; border-left: 3px solid var(--primary, #2563eb); background: rgba(37, 99, 235, 0.05); color: var(--text-2, #475569); }
.sg-h2 { font-size: 16px; border-bottom: none; margin: 10px 0 4px; padding-bottom: 0; }
.sg-h5 { font-size: 16px; margin: 10px 0 4px; }
.sg-p { margin: 5px 0; }
.sg-h2 { font-size: 18px; font-weight: 700; margin: 20px 0 8px; border-bottom: 2px solid var(--primary, #2563eb); padding-bottom: 4px; }
.sg-h3 { font-size: 16px; font-weight: 700; margin: 16px 0 6px; }
.sg-h4, .sg-h5 { font-size: 15px; font-weight: 600; margin: 12px 0 4px; }
.sg-p { margin: 4px 0; }
.sg-li { margin: 3px 0 3px 20px; }
.sg-li-num { list-style-type: decimal; }
.sg-hr { border: none; border-top: 1px solid var(--border, #e2e8f0); margin: 14px 0; }
.sg-table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: 14px; }
.sg-code { background: var(--bg-muted, #f1f5f9); padding: 1px 4px; border-radius: 3px; font-family: monospace; font-size: 13px; }
.sq-wrap { font-family: var(--exam-serif-font, 'Batang', '바탕', 'KoPub World Batang', 'Noto Serif KR', 'Nanum Myeongjo', 'AppleMyungjo', serif); font-size: 17.3px; line-height: 1.6; color: var(--text); max-width: 100%; }
.sq-h1 { font-size: 17.3px; font-weight: 700; margin: 24px 0 10px; }
.sq-h1 { display: inline-block; border: 1.3px solid var(--text, #1e293b); border-radius: 2px; padding: 3px 16px; text-align: center; }
.sq-h2 { font-size: 16px; font-weight: 700; margin: 18px 0 8px; }
.sq-label { font-weight: 600; margin: 10px 0 4px; }
.sq-exam-header { text-align: center; margin: 2px 0 18px; padding-bottom: 12px; border-bottom: 1.3px solid var(--text, #1e293b); }
.sq-confirm { text-align: center; font-size: 13pt; font-weight: 800; letter-spacing: 2px; margin: 16px 0 6px; }
.sq-body { margin: 0 0 6px; text-indent: 0; word-break: keep-all; }
.sq-list { margin: 2px 0 2px 16px; word-break: keep-all; }
.sq-note { color: var(--text-muted, #64748b); margin: 4px 0; }
.sq-sep { border: none; border-top: 1px solid var(--border, #e2e8f0); margin: 12px 0; }
.sq-cal { display: inline-block; vertical-align: top; margin: 6px 12px 10px 0; }
.sq-cal-t { font-weight: 700; text-align: center; margin-bottom: 3px; font-size: 0.95em; }
.sq-cal-g { display: grid; grid-template-columns: repeat(7, 2.2em); text-align: center; border: 1px solid var(--text, #1e293b); font-size: 0.9em; line-height: 1.45; }
.sq-cal-g { font-size: 8.5pt; grid-template-columns: repeat(7, 2em); }
.sq-cal-t { font-size: 9pt; }
.sg-tab-bar { display: flex; gap: 8px; margin: 12px 0; border-bottom: 2px solid var(--border, #e2e8f0); padding-bottom: 0; }
.sg-tab-btn { padding: 8px 18px; border: none; background: none; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--text-muted, #64748b); border-bottom: 3px solid transparent; margin-bottom: -2px; }
.sg-toolbar { display: flex; gap: 8px; padding: 8px 0 12px; margin-bottom: 4px; }
.sg-tool-btn { padding: 8px 18px; border-radius: 8px; border: 1px solid var(--border, #e2e8f0); background: var(--bg-card, #fff); cursor: pointer; font-size: 14px; font-family: inherit; color: var(--text, #1e293b); font-weight: 600; white-space: nowrap; }
.sg-tool-btn--primary { background: var(--primary, #2563eb); color: #fff; border-color: var(--primary, #2563eb); }
.sg-study-overlay { position: fixed; inset: 0; z-index: 9900; display: flex; flex-direction: column; background: var(--bg, #f8fafc); }
.sg-study-header { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--bg-card, #fff); border-bottom: 1px solid var(--border, #e2e8f0); flex-shrink: 0; }
.sg-study-body { display: flex; flex: 1; overflow: hidden; }
.sg-study-left { flex: 1; overflow-y: auto; background: #525f70; border-right: 2px solid var(--border, #e2e8f0); }
.sg-study-right { flex: 1; overflow-y: hidden; background: #fff; display: flex; flex-direction: column; }
.sg-study-body { flex-direction: column; }
.sg-study-left { flex: none; height: 42vh; overflow-y: auto; border-right: none; border-bottom: 2px solid var(--border, #e2e8f0); }
.sg-study-right { flex: 1 1 auto; min-height: 0; }
.sg-cbt-header { display:flex; align-items:stretch; background:#1e2b3c; color:#e8eef5; border-bottom:2px solid #0f1826; flex-shrink:0; font-family:Pretendard,"맑은 고딕","Malgun Gothic",sans-serif; }
.sg-cbt-hd-cell { display:flex; flex-direction:column; justify-content:center; padding:6px 14px; border-right:1px solid rgba(255,255,255,.12); }
.sg-cbt-hd-timer { margin-left:auto; border-right:1px solid rgba(255,255,255,.12); align-items:flex-end; }
.sg-cbt-hd-actions { flex-direction:row; align-items:center; gap:8px; padding:0 12px; border-right:none; }
.sg-cbt-hd-btn { padding:7px 14px; border-radius:6px; border:1px solid rgba(255,255,255,.25); background:rgba(255,255,255,.08); color:#e8eef5; font-size:13px; font-weight:600; cursor:pointer; }
.sg-cbt-hd-btn--primary { background:#2563eb; border-color:#2563eb; color:#fff; }
.sg-ans-metatable { display:flex; border-bottom:1px solid #b0bcc8; background:#eef2f7; flex-shrink:0; font-family:Pretendard,"맑은 고딕","Malgun Gothic",sans-serif; }
.sg-cbt-munlist { width:106px; flex-shrink:0; background:#eef2f7; border-left:1px solid #b0bcc8; display:flex; flex-direction:column; overflow-y:auto; padding:8px 6px; gap:6px; }
.sg-cbt-mun-btn { padding:9px 4px; border:1px solid #b0bcc8; border-radius:6px; background:#fff; color:#334155; font-size:13px; font-weight:600; cursor:pointer; text-align:center; }
.sg-result-overlay { position: fixed; inset: 0; z-index: 9001; background: var(--bg, #f1f5f9); display: flex; flex-direction: column; }
.sg-result-header { display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--surface, #1e293b); color: #fff; flex-shrink: 0; }
.sg-result-body { display: flex; flex: 1; overflow: hidden; min-height: 0; }
.sg-result-left { flex: 1; overflow-y: auto; padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; border-right: 2px solid var(--border, #e2e8f0); background: #fafafa; }
.sg-result-right { flex: 1; overflow-y: auto; padding: 14px 16px; background: #fff; display: flex; flex-direction: column; gap: 6px; }
.sg-result-section-title { font-size: 11px; font-weight: 700; color: var(--text-muted, #64748b); letter-spacing: 0.06em; text-transform: uppercase; padding-bottom: 4px; border-bottom: 1px solid var(--border, #e2e8f0); }
.sg-user-answer-view { font-family: "맑은 고딕","Malgun Gothic","Noto Sans KR",sans-serif; font-size: 14px; line-height: 1.8; white-space: pre-wrap; color: #1e293b; background: #fff; border: 1px solid var(--border, #e2e8f0); border-radius: 6px; padding: 12px 14px; flex: 1; min-height: 80px; }
.sg-model-answer-view { font-family: "Noto Serif KR","KoPubBatang","Batang","바탕체",serif; font-size: 13.5px; line-height: 1.75; color: #1e293b; background: #fff; border: 1px solid var(--border, #e2e8f0); border-radius: 6px; padding: 12px 14px; flex: 1; min-height: 80px; white-space: pre-wrap; }
.sg-rubric-wrap { flex-shrink: 0; border-top: 2px solid var(--border, #e2e8f0); background: #fff; max-height: 280px; overflow-y: auto; }
.sg-rubric-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.sg-model-answer-view, .sg-rubric-wrap { display: none !important; }
.sg-grade-badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-weight: 700; font-size: 12px; }
.sg-grade-correct { background: #dcfce7; color: #166534; }
.sg-grade-ambiguous { background: #fef9c3; color: #854d0e; }
.sg-grade-wrong { background: #fee2e2; color: #991b1b; }
.sg-score-total { font-size: 22px; font-weight: 800; color: var(--text, #1e293b); }
.sg-feedback-bar { padding: 8px 16px; background: #f0f9ff; border-bottom: 1px solid #bae6fd; font-size: 13px; color: #0c4a6e; flex-shrink: 0; line-height: 1.6; }
.sg-ans-page-nav { display: flex; align-items: center; gap: 4px; padding: 5px 10px; background: #f8fafc; border-bottom: 1px solid var(--border, #e2e8f0); flex-shrink: 0; flex-wrap: wrap; }
.sg-ans-page-btn { min-width: 28px; height: 26px; padding: 0 6px; border-radius: 5px; border: 1px solid var(--border, #e2e8f0); background: #fff; color: var(--text, #1e293b); cursor: pointer; font-size: 12px; font-family: inherit; }
.sg-ans-page-saved { font-size: 11px; color: #22c55e; margin-left: auto; }
.sg-ans-page-area { overflow: hidden; flex: 1; position: relative; width: 100%; max-width: 760px; margin: 0 auto; }
.sg-munjapyo-btn { font-size: 11px; padding: 2px 7px; background: #f1f5f9; border: 1px solid #cbd5e1; border-radius: 4px; cursor: pointer; color: #334155; white-space: nowrap; }
.sg-munjapyo-panel { position: fixed; z-index: 9999; left: 0; top: 50%; transform: translate(-100%, -50%); background: #fff; border: 1px solid #cbd5e1; border-radius: 0 10px 10px 0; box-shadow: 6px 0 24px rgba(0,0,0,.18); padding: 12px; width: 290px; max-height: 88vh; overflow-y: auto; transition: transform .22s ease; }
.sg-munjapyo-grid { display: flex; flex-wrap: wrap; gap: 3px; }
.sg-munjapyo-sep { width: 100%; height: 1px; background: #e2e8f0; margin: 4px 0; }
.sg-result-ans-page { white-space: pre-wrap; font-family: "맑은 고딕","Malgun Gothic",sans-serif; font-size: 14px; line-height: 2.2; color: #1e293b; padding: 0 16px; }
.sg-answer-area { flex: 1; outline: none; font-size: 17px; line-height: 2.2; font-family: var(--exam-serif-font, 'Batang', '바탕', 'KoPub World Batang', 'Noto Serif KR', 'Nanum Myeongjo', 'AppleMyungjo', serif); color: var(--text, #1e293b); background: transparent; border: none; resize: none; width: 100%; min-height: 300px; }
.sg-answer-hint { font-size: 12px; color: var(--text-muted, #94a3b8); margin-bottom: 8px; }
.sg-preview-bar { display: flex; align-items: center; gap: 10px; padding: 0 0 14px; flex-shrink: 0; }
.sg-preview-bg { background: #525f70; padding: 20px 0 40px; margin: 0 -16px; }
.sq-print-preview { background: #fff; width: min(210mm, 96%); margin: 0 auto; padding: var(--sq-mt,15mm) var(--sq-mr,15mm) var(--sq-mb,15mm) var(--sq-ml,15mm); font-family: "Batang","바탕체","KoPubBatang","Noto Serif KR",serif; font-size: 11pt; line-height: 1.6; letter-spacing: 0; color: #000; box-shadow: 0 4px 40px rgba(0,0,0,0.5); min-height: 297mm; }
.sq-h1 { font-size: 11pt; font-weight: 700; margin: 12pt 0 6pt; }
.sq-h2 { font-size: 11pt; font-weight: 700; margin: 10pt 0 4pt; }
.sq-label { font-size: 11pt; font-weight: 700; margin: 8pt 0 4pt; }
.sq-body { font-size: 11pt; margin: 0 0 2pt; word-break: keep-all; }
.sq-list { font-size: 11pt; margin: 0 0 2pt 14pt; word-break: keep-all; }
.sq-note { font-size: 11pt; margin: 3pt 0; }
.sq-sep { border: none; border-top: 0.5pt solid #000; margin: 8pt 0; }
.sg-page-nav { display: flex; align-items: center; justify-content: center; gap: 5px; padding: 10px 16px; background: rgba(0,0,0,0.25); flex-wrap: wrap; }
.sg-page-num { min-width: 30px; height: 30px; padding: 0 6px; border-radius: 5px; border: 1px solid rgba(255,255,255,0.3); background: rgba(255,255,255,0.1); color: #fff; cursor: pointer; font-size: 13px; font-family: inherit; font-weight: 500; }
.sg-page-total { color: rgba(255,255,255,0.7); font-size: 12px; margin-left: 8px; }
.sg-answer-hint { font-size: 11px; color: var(--text-muted,#64748b); padding: 6px 10px; border-bottom: 1px solid var(--border,#e2e8f0); letter-spacing: 0; }
.sg-cbt-area { flex: 1; overflow-y: auto; background: #fff; position: relative; }
.sg-cbt-textarea { width: 100%; height: 100%; min-height: 600px; border: none; border-right: 1px solid rgba(25,22,43,0.4); outline: none; resize: none; padding: 0 16px 0 54px; font-family: Pretendard, "맑은 고딕", "Malgun Gothic", sans-serif; font-size: 16px; line-height: 24px; color: rgb(53,53,53); background: repeating-linear-gradient( transparent 0, transparent 23px, rgb(25,22,43) 23px, rgb(25,22,43) 24px ); background-size: 100% 24px; background-attachment: local; caret-color: #1d4ed8 !important; box-sizing: border-box; vertical-align: top; }
.sg-cbt-ln-overlay { position: absolute; left: 0; top: 0; width: 52px; pointer-events: none; z-index: 2; font-family: Pretendard, "맑은 고딕", "Malgun Gothic", sans-serif; font-size: 11px; color: #666; background: inherit; border-right: 1px solid rgba(25,22,43,0.4); }
.sg-cbt-ln { height: 24px; line-height: 24px; text-align: right; padding-right: 6px; box-sizing: border-box; }
.sg-cbt-ln-pg { height: 24px; line-height: 24px; padding-left: 3px; font-size: 10px; color: #555; white-space: nowrap; overflow: hidden; box-sizing: border-box; }
.sg-cbt-toolbar { display:flex; align-items:center; gap:2px; padding:3px 8px; background:#dde3ea; border-bottom:1px solid #b0bcc8; flex-shrink:0; }
.sg-cbt-tb-btn { width:26px; height:24px; font-size:13px; background:#f1f5f9; border:1px solid #b0bcc8; border-radius:3px; cursor:pointer; display:flex; align-items:center; justify-content:center; padding:0; color:#334155; }
.sg-cbt-tb-sep { width:1px; height:18px; background:#b0bcc8; margin:0 3px; }
.sg-cbt-tb-label { font-size:11px; color:#555; padding:0 4px; white-space:nowrap; }
.sg-cbt-screen-size { font-size:11px; background:#f1f5f9; border:1px solid #b0bcc8; border-radius:3px; padding:2px 4px; cursor:pointer; }
.sq-h1 { font-size:11pt;font-weight:700;margin:12pt 0 6pt }
.sq-h2 { font-size:11pt;font-weight:700;margin:10pt 0 4pt }
.sq-label { font-size:11pt;font-weight:700;margin:8pt 0 4pt }
.sq-body { font-size:11pt;margin:0 0 2pt;word-break:keep-all }
.sq-list { font-size:11pt;margin:0 0 2pt 14pt;word-break:keep-all }
.sq-note { font-size:11pt;margin:3pt 0 }
.sq-sep { border:none;border-top:0.5pt solid #000;margin:8pt 0 }