:root{--bg:#f7f7f4;--panel:#fff;--ink:#202124;--muted:#626761;--line:#d9ded6;--accent:#0f766e;--accent-strong:#115e59;--warn:#9a3412;--danger:#b91c1c;--soft:#eef6f3}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);letter-spacing:0;margin:0;font-family:Arial,Noto Sans KR,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.shell{min-height:100vh}.topbar{border-bottom:1px solid var(--line);z-index:10;background:#ffffffd9;justify-content:space-between;align-items:center;gap:20px;padding:16px 28px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:10px;font-size:18px;font-weight:700;display:flex}.nav{align-items:center;gap:8px;display:flex}.nav a,.button,.icon-button{background:var(--panel);border:1px solid var(--line);color:var(--ink);cursor:pointer;border-radius:8px;align-items:center;gap:8px;min-height:38px;padding:8px 12px;display:inline-flex}.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.button.danger{color:var(--danger);border-color:#f0c7c7}.main{max-width:1180px;margin:0 auto;padding:28px}.page-heading{justify-content:space-between;align-items:end;gap:16px;margin-bottom:22px;display:flex}.page-heading h1{margin:0 0 8px;font-size:30px;line-height:1.2}.page-heading p,.muted{color:var(--muted);margin:0}.grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;display:grid}.syllabus-list{gap:10px;display:grid}.syllabus-list-header{color:var(--muted);grid-template-columns:minmax(0,1fr) 150px 120px 72px;gap:16px;padding:0 18px;font-size:13px;font-weight:700;display:grid}.syllabus-list-item{background:var(--panel);border:1px solid var(--line);border-radius:8px;grid-template-columns:minmax(0,1fr) 150px 120px 72px;align-items:center;gap:16px;padding:16px 18px;display:grid}.syllabus-list-item:hover{border-color:#b9c9c4}.syllabus-list-main h2{margin:0 0 4px;font-size:18px;line-height:1.35}.list-cell{color:var(--muted);overflow-wrap:anywhere;min-width:0;font-size:14px}.list-link{color:var(--accent-strong);white-space:nowrap;align-items:center;gap:6px;font-size:14px;font-weight:700;display:inline-flex}.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px}.card h2,.card h3{margin:0 0 10px;font-size:19px}.meta{color:var(--muted);flex-wrap:wrap;gap:8px 14px;margin:10px 0;font-size:14px;display:flex}.detail-meta{flex-wrap:wrap;gap:10px 18px;margin-top:10px;display:flex}.detail-meta span{color:var(--muted);align-items:center;gap:8px;font-size:14px;display:inline-flex}.detail-meta strong{color:var(--ink);font-size:13px}.badge{background:var(--soft);color:var(--accent-strong);border:1px solid #cae3dd;border-radius:999px;padding:4px 9px;font-size:13px;display:inline-flex}.two-column{grid-template-columns:minmax(0,1fr) 380px;align-items:start;gap:18px;display:grid}.section-list{gap:12px;display:grid}.section-block{background:var(--panel);border:1px solid var(--line);white-space:pre-wrap;border-radius:8px;padding:18px}.syllabus-markdown{background:var(--panel);border:1px solid var(--line);border-radius:8px;gap:16px;margin-top:14px;padding:20px;line-height:1.65;display:grid}.syllabus-markdown h2{border-bottom:1px solid var(--line);margin:10px 0 0;padding-bottom:8px;font-size:20px}.syllabus-markdown p{white-space:pre-wrap;margin:0}.syllabus-markdown hr{border:0;border-top:1px solid var(--line);margin:6px 0}.table-wrap{overflow-x:auto}.syllabus-markdown table{border-collapse:collapse;min-width:100%;font-size:14px}.syllabus-markdown th,.syllabus-markdown td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:8px 10px}.syllabus-markdown th{background:var(--soft);color:var(--accent-strong);font-weight:700}.hwp-viewer{background:var(--panel);border:1px solid var(--line);border-radius:8px;min-height:620px;overflow:hidden}.hwp-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;display:flex}.hwp-page{background:#fff;min-height:620px;padding:clamp(20px,4vw,52px);overflow-x:auto}.hwp-empty,.hwp-error{border:1px dashed var(--line);color:var(--muted);text-align:center;border-radius:8px;padding:28px}.hwp-error{color:var(--warn);background:#fff7ed;border-color:#fed7aa}.hwp-doc{font-size:15px;line-height:1.65}.hwp-doc h3{border-bottom:1px solid var(--line);margin:30px 0 10px;padding-bottom:6px;font-size:16px}.hwp-doc h3:first-child{margin-top:0}.hwp-doc p{white-space:pre-wrap;margin:0 0 11px}.hwp-doc p.en{color:var(--muted);font-size:14px}.hwp-doc table{border-collapse:collapse;min-width:100%;margin:6px 0 22px;font-size:13.5px}.hwp-doc td{border:1px solid var(--line);vertical-align:top;padding:7px 10px;line-height:1.5}.hwp-doc tr:first-child td{background:#fbfaf6;font-weight:700}.form{gap:12px;display:grid}.field{gap:6px;display:grid}.field label{color:var(--muted);font-size:13px;font-weight:700}.field input,.field textarea{border:1px solid var(--line);border-radius:8px;min-height:40px;padding:9px 11px}.field textarea{resize:vertical}.field-help{color:var(--muted);font-size:13px}.admin-list{gap:10px;display:grid}.admin-row{background:var(--panel);border:1px solid var(--line);border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:14px;display:grid}.edit-form{grid-column:1/-1;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.admin-row .edit-form{grid-template-columns:1fr}.edit-wide{grid-column:1/-1}.check-field{color:var(--muted);align-items:center;gap:8px;display:inline-flex}.row-actions{flex-wrap:wrap;gap:8px;display:flex}.admin-row .row-actions .icon-button{justify-content:center;width:34px;min-height:34px;padding:7px}.admin-row .row-actions .icon-button svg{width:15px;height:15px}.admin-chat-history{border-top:1px solid var(--line);grid-column:1/-1;gap:10px;padding-top:12px;display:grid}.admin-chat-history ul{gap:8px;max-height:420px;margin:0;padding:0;list-style:none;display:grid;overflow:auto}.admin-chat-message{border:1px solid var(--line);border-radius:8px;padding:10px 12px}.admin-chat-message.user{background:var(--soft)}.admin-chat-message.assistant{background:#f8faf8}.admin-chat-meta{color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 12px;font-size:13px;display:flex}.admin-chat-message p{white-space:pre-wrap;margin:8px 0 0;line-height:1.55}.chat-panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;flex-direction:column;min-height:520px;max-height:calc(100vh - 128px);display:flex;position:sticky;top:82px}.chat-head{border-bottom:1px solid var(--line);padding:14px 16px}.messages{flex-direction:column;flex:1;gap:10px;padding:14px;display:flex;overflow:auto}.message{white-space:pre-wrap;border-radius:8px;max-width:92%;padding:10px 12px;line-height:1.55}.message.user{background:var(--accent);color:#fff;align-self:end}.message.assistant{background:#f1f3ef;align-self:start}.chat-form{border-top:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:12px;display:grid}.chat-form input{border:1px solid var(--line);border-radius:8px;min-height:42px;padding:10px 12px}.notice{color:var(--warn);background:#fff7ed;border:1px solid #fed7aa;border-radius:8px;padding:12px}.empty{border:1px dashed var(--line);color:var(--muted);text-align:center;border-radius:8px;padding:28px}@media (max-width:860px){.topbar,.page-heading{flex-direction:column;align-items:stretch}.main{padding:18px}.two-column{grid-template-columns:1fr}.chat-panel{max-height:none;position:static}.hwp-viewer,.hwp-page{min-height:70vh}.admin-row{grid-template-columns:1fr}.syllabus-list-item{grid-template-columns:1fr;align-items:start;gap:8px}.syllabus-list-header{display:none}.list-cell{font-size:13px}.edit-form{grid-template-columns:1fr}}