/* Resource UI is intentionally independent of the map and the 3D canvas. */
.rv-introduction{max-width:820px;margin:0 auto 28px}.rv-introduction h3,.rv-info h3{font-size:17px;line-height:1.5;margin:0 0 9px;color:#223c5b}.rv-introduction p,.rv-info>p{font-size:16px;line-height:1.85;word-break:keep-all;overflow-wrap:anywhere;margin:0}.rv-background{margin-top:24px;padding-left:18px;border-left:3px solid #bfd0e4}.rv-use{margin-top:24px;padding:18px 20px;border:1px solid #d5e1ed;border-radius:12px;background:#f1f6fc}.rv-use p{font-size:14px}.rv-stage{scroll-margin-top:12px}.rv-info h3:not(:first-child){margin-top:24px}.school-reading-guide{background:#f0f6fc;border:1px solid #c6d8ea;border-radius:12px;padding:18px 20px;margin:0 0 22px;color:#20364f;font-family:Pretendard,'Malgun Gothic',sans-serif}.school-reading-guide h3{margin:0 0 10px;font-size:17px}.school-reading-guide p{font-size:15px;line-height:1.85;margin:8px 0;word-break:keep-all;overflow-wrap:anywhere}.school-group-help{font:14px/1.8 Pretendard,'Malgun Gothic',sans-serif;color:#4e6070;margin:0 0 14px}.ldesc{line-height:1.8!important;font-size:14px!important;margin-bottom:15px!important}
#resource-reader{position:fixed;inset:0;aspect-ratio:auto;--rv-ink:#182b42;--rv-muted:#566575;--rv-accent:#2157a5;box-sizing:border-box;width:min(1180px,calc(100vw - 48px));max-width:none;height:min(900px,calc(100dvh - 48px));max-height:none;margin:auto;padding:0;border:1px solid #d7dee5;border-radius:20px;background:#fff;color:var(--rv-ink);font-family:Pretendard,'Pretendard Variable','Malgun Gothic',sans-serif;box-shadow:0 24px 100px #0b203c66;overflow:hidden}
#resource-reader::backdrop{background:#17263ac9;backdrop-filter:blur(5px)}
#resource-reader[open]{display:flex;flex-direction:column}#resource-reader *{box-sizing:border-box}#resource-reader button,#resource-reader a{font:inherit}#resource-reader button{cursor:pointer}#resource-reader button:focus-visible,#resource-reader a:focus-visible,.rv-card-open:focus-visible{outline:3px solid #ed9f18;outline-offset:3px}
.rv-header{display:flex;align-items:start;justify-content:space-between;gap:24px;padding:24px 28px;border-bottom:1px solid #dce3ea;background:#fff;flex-shrink:0}.rv-header h2{font-size:clamp(21px,2.5vw,30px);line-height:1.35;margin:5px 0 0;word-break:keep-all;overflow-wrap:anywhere}.rv-kicker{display:block;color:#31547a;font-size:12px;font-weight:700;letter-spacing:.025em;margin:0 0 7px}.rv-close{flex-shrink:0;padding:10px 14px;border:1px solid #c7d3df;border-radius:10px;background:#fff;color:#243b54;min-height:44px}.rv-body{overflow:auto;padding:24px 28px 36px;overscroll-behavior:contain}.rv-info{max-width:820px;margin:22px auto 0}.rv-description{font-size:17px;line-height:1.85;word-break:keep-all;overflow-wrap:anywhere;margin:0 0 18px}.rv-actions{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.rv-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border:1px solid #bbcbdc;border-radius:10px;text-decoration:none!important;font-weight:700!important;color:#234b79!important;background:#fff}.rv-button.rv-primary{background:#2056a1;color:#fff!important;border-color:#2056a1}.rv-hint{font-size:13px;line-height:1.7;color:#596778;margin:12px 0}.rv-context{margin-top:22px;border-top:1px solid #e0e6ed;padding-top:16px}.rv-context summary{font-weight:700;cursor:pointer;min-height:30px}.rv-context p{font-size:15px;line-height:1.85;max-width:70ch}.rv-stage>.rv-video{background:#112237;aspect-ratio:16/9;max-height:60dvh;width:100%;border-radius:12px;overflow:hidden;position:relative}.rv-video iframe,.rv-video video{height:100%;width:100%;border:0;display:block}.rv-poster{width:100%;height:100%;border:0;position:relative;background:#14263a;color:#fff;display:grid;place-items:center}.rv-poster>img{position:absolute;width:100%;height:100%;object-fit:contain;opacity:.65}.rv-poster>span{z-index:1;display:grid;gap:10px;justify-items:center;background:#0a1f39d9;padding:18px 28px;border-radius:14px;font-size:18px;font-weight:700}.rv-poster b{font-size:26px}.rv-poster small{font-size:12px;font-weight:400}.rv-pdf{height:58dvh;min-height:320px;background:#eef1f5;border:1px solid #ccd6e1;border-radius:12px;overflow:hidden}.rv-pdf iframe{height:100%;width:100%;border:0}.rv-gallery{background:#edf1f5;border-radius:12px;border:1px solid #dbe2e9;padding:16px}.rv-gallery figure{margin:0;display:flex;justify-content:center;align-items:center;height:min(48dvh,490px)}.rv-gallery img{max-width:100%;max-height:100%;object-fit:contain;box-shadow:0 5px 20px #1e30451a}.rv-gallery nav{display:flex;gap:20px;justify-content:center;align-items:center;margin:16px 0 0}.rv-gallery nav button{border:1px solid #bdcbd9;background:white;padding:10px 20px;border-radius:8px;min-height:44px;color:#203b56}.rv-gallery nav span{font-size:13px;min-width:55px;text-align:center}.rv-empty{display:grid;place-items:center;gap:15px;min-height:210px;padding:32px;background:#eef3f9;border-radius:12px;text-align:center}.rv-empty>span{font-size:32px;font-weight:800}.rv-empty p{margin:0;color:#516273}.rv-reader.rv-article .rv-info{max-width:68ch}.rv-reader.rv-article .rv-description{font-size:19px;line-height:1.95}
.rv-thumb{position:relative;display:flex;align-items:center;justify-content:center;flex:none;width:104px;height:74px;border-radius:9px;overflow:hidden;background:#e6edf6;color:#284c75;border:1px solid #d4dfeb}.rv-thumb img{width:100%;height:100%;object-fit:cover}.rv-thumb.rv-document,.rv-thumb.rv-book{width:65px;height:86px;margin:0 19px;background:#f7f4ec}.rv-thumb.rv-document img,.rv-thumb.rv-book img{object-fit:contain}.rv-thumb.rv-slides img{object-fit:contain;background:#eef2f6}.rv-thumb.rv-video{aspect-ratio:16/9;max-height:none;background:#12263a}.rv-thumb.rv-game{background:#e9e4f8;color:#523998}.rv-thumb.rv-article{background:#f0ece4;color:#645643}.rv-glyph{font-size:19px;font-weight:800}.rv-thumb-label{position:absolute;left:5px;bottom:4px;max-width:calc(100% - 10px);padding:2px 5px;background:#fffef5f0;border-radius:4px;font-size:9px;font-weight:700;line-height:1.4;color:#253b51}.rv-playmark{position:absolute;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#11243dcc;color:white;font-size:14px}.rv-card{list-style:none!important;background:#fff;border:1px solid #dce4ec;border-radius:13px;margin:0 0 12px!important;padding:0!important;overflow:hidden}.rv-card-open{width:100%;display:flex;align-items:start;gap:16px;text-align:left;padding:17px;background:transparent;border:0;color:#20344b;cursor:pointer;font-family:inherit}.rv-card-open:hover{background:#f5f8fb}.rv-card-text{display:block;min-width:0;flex:1}.rv-card-text strong{display:block;font-size:16px;line-height:1.55;word-break:keep-all;overflow-wrap:anywhere}.rv-excerpt{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:#566575;font-size:13px;line-height:1.7;margin-top:6px}.rv-card-action{display:block;color:#2157a5;font-size:12px;font-weight:700;margin-top:9px}.rv-card.rv-video{aspect-ratio:auto;max-height:none;width:auto}.rv-card-open>.rv-thumb.rv-video{width:104px;height:74px}
body.resource-reading{overflow:hidden}body.resource-reading #stage{filter:brightness(.75)}
@media(max-width:760px){#resource-reader{width:100%;height:100dvh;margin:0;border-radius:0;border:0}.rv-header{padding:18px 16px;gap:12px}.rv-header h2{font-size:21px}.rv-body{padding:16px 16px 30px}.rv-close{padding:9px;font-size:13px!important}.rv-description{font-size:16px}.rv-gallery{padding:10px}.rv-gallery figure{height:38dvh}.rv-card-open{gap:12px;padding:14px}.rv-card-open>.rv-thumb,.rv-card-open>.rv-thumb.rv-video{width:84px;height:64px}.rv-card-open>.rv-thumb.rv-document,.rv-card-open>.rv-thumb.rv-book{width:55px;height:75px;margin:0 14px}.rv-card-text strong{font-size:15px}.rv-pdf{height:55dvh}.rv-button{flex:1;min-width:130px}}


.rv-quick{display:flex;flex-wrap:wrap;gap:8px;padding:12px 28px;border-bottom:1px solid #e0e6ed;flex-shrink:0;max-height:25dvh;overflow:auto}.rv-quick:empty{display:none}.rv-quick .rv-button{min-height:40px;padding:8px 14px;font-size:14px!important}@media(max-width:760px){.rv-quick{padding:10px 16px}.rv-quick .rv-button{flex:initial;min-width:0;font-size:13px!important}}
/* 자료마다 오류 알리기(2026-10-31) */
.rv-report{margin-top:18px;border-top:1px solid var(--line,#dae3ed);padding-top:10px;font-size:14px}
.rv-report summary{cursor:pointer;color:var(--ink2,#52687b);font-weight:600}
.rv-rp{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.rv-rp label{display:flex;gap:6px;align-items:center}
.rv-rp textarea{font:inherit;font-size:14px;padding:7px 9px;border:1px solid var(--line,#dae3ed);border-radius:10px;resize:vertical}
.rv-rp .rv-button{align-self:flex-start}
.rv-rp-msg{margin:0;font-size:13px;color:var(--ink2,#52687b)}
/* 함께 보면 좋은 자료 (2026-11-04) */
.rv-related{margin-top:24px}.rv-related ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px}.rv-related button{width:100%;text-align:left;font:600 15px/1.5 Pretendard,'Malgun Gothic',sans-serif;color:#1d3552;background:#fff;border:1px solid #c9d8e8;border-radius:10px;padding:10px 12px;cursor:pointer;word-break:keep-all}.rv-related button:hover,.rv-related button:focus-visible{border-color:#2f6db3;background:#f3f8fe}.rv-related button span{display:block;font-size:12px;font-weight:500;color:#5b7088;margin-bottom:2px}
/* 전체 파일 보기(2026-11-05): 드라이브·PDF·문서·폴더를 창 안에서 처음부터 끝까지 본다 */
.rv-full{height:74dvh;min-height:360px;background:#eef1f5}
.rv-full-folder{background:#fff}
@media(max-width:760px){.rv-full{height:70dvh}}
/* 소개 가공(2026-11-07): 요점 한 줄, 핵심 정보 칩, 형광펜 */
.rv-lead{font-size:18px!important;font-weight:700;line-height:1.6!important;color:#16324f;margin:0 0 14px!important;padding:12px 16px;border-radius:10px;background:#eef4fb;border-left:4px solid #2f6fb3}
.rv-facts{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;padding:0}
.rv-facts div{display:flex;align-items:baseline;gap:6px;padding:6px 12px;border:1px solid #d5e1ed;border-radius:999px;background:#fff;font-size:14px;line-height:1.4}
.rv-facts dt{color:#5b6f86;font-weight:600}.rv-facts dd{margin:0;color:#1d3047;font-weight:700}
.rv-introduction p+p{margin-top:12px}
.rv-introduction mark{background:linear-gradient(transparent 58%,#ffe27a 58%);color:inherit;font-weight:700;padding:0 1px}
@media (max-width:600px){.rv-lead{font-size:16px!important;padding:10px 12px}.rv-facts div{font-size:13px;padding:5px 10px}}