/* Established quiet-study layout; writing only. No reading/listening exam import. */
.sidebar nav a{display:flex;gap:10px;align-items:baseline;padding:10px 12px;border-radius:8px}.sidebar nav a.active{background:var(--soft);color:var(--accent)}.sidebar nav a span{font:400 21px/1.3 var(--font-editorial);margin:0}.sidebar nav a small{font-size:11px;color:var(--muted)}
#resources-count{font-variant-numeric:tabular-nums}#advanced-filters{padding-top:12px}#materials.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.cards .material{min-height:0;gap:16px}.cards .material h2{font:400 23px/1.45 var(--font-editorial);letter-spacing:-.015em}.cards .material h2.writing-title{font:500 15px/1.7 var(--font-ui)!important}.material .prompt{font:400 17px/1.75 var(--font-editorial);white-space:pre-line;margin:0;overflow-wrap:anywhere}.material .overline{flex-wrap:wrap}.material .cn{white-space:pre-wrap}.material .buttons a{flex:1}.primary{color:var(--panel)}.material .card-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.material details{font-size:12px;color:var(--muted)}.material details p{line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.material .chart-preview{padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff;margin:0;cursor:zoom-in}.material .chart-preview img{height:170px;display:block;width:100%;object-fit:contain}.material .chart-preview small{display:block;font:11px/1.7 var(--font-ui);color:#687481;text-align:left;margin-top:4px}.usage{padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.8}.usage strong{font-weight:500;color:var(--accent)}.raw-proof{margin-top:10px}.library-dialog{max-width:960px;width:calc(100% - 32px);max-height:90dvh;overflow:auto}.library-dialog header{display:flex;justify-content:space-between;gap:16px;align-items:center;height:auto;border:0}.library-dialog header h2{font:400 27px/1.3 var(--font-editorial);color:var(--ink)}.library-dialog img{display:block;max-width:100%;max-height:70vh;object-fit:contain;background:#fff;margin:20px auto}.library-dialog .english{font:400 21px/1.8 var(--font-editorial);white-space:pre-line;color:var(--ink)}.library-dialog .original{font:12px/1.8 var(--font-ui);white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;background:var(--soft);border-radius:8px}.library-dialog section+section{border-top:1px solid var(--line);margin-top:20px;padding-top:20px}.library-dialog .family-note{color:var(--muted);font-size:12px;line-height:1.8}.card-tools .preview-link{font-size:12px}button[aria-pressed=true]{background:var(--soft);color:var(--accent)}
@media(max-width:1100px){#materials.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.sidebar nav a{padding:6px;gap:0;flex-direction:column;align-items:center}.sidebar nav a span{font-size:15px}.sidebar nav a small{font-size:10px}.sidebar nav{gap:2px}#materials.cards{grid-template-columns:1fr}.source button{min-width:0}.source span{width:100%;text-align:left}.library-dialog{padding:20px}.library-dialog header h2{font-size:23px}.cards .material{padding:20px}.material .chart-preview img{height:190px}.source{gap:8px}#pagination{gap:10px}}