/* V63 Curriculum Worksheet Library */
#worksheets{padding-bottom:40px!important}
#worksheets .v63-ws-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#07324e 0%,#0b6680 58%,#0aa7a2 100%);color:#fff;border:0;border-radius:22px;padding:24px 26px;box-shadow:0 18px 46px rgba(7,50,78,.18);margin-bottom:16px}
#worksheets .v63-ws-hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.08);left:-80px;top:-120px}
#worksheets .v63-ws-hero h1{margin:0 0 8px;color:#fff;font-size:28px;line-height:1.3}
#worksheets .v63-ws-hero p{margin:0;color:rgba(255,255,255,.84);font-size:13px;line-height:1.8;max-width:900px}
.v63-ws-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:16px 0}
.v63-ws-stat{background:#fff;border:1px solid #dce7ef;border-radius:16px;padding:14px 16px;box-shadow:0 8px 24px rgba(24,50,72,.05)}
.v63-ws-stat small{display:block;color:#718093;font-size:11px;margin-bottom:5px}.v63-ws-stat b{font-size:22px;color:#0b3558}.v63-ws-stat span{font-size:11px;color:#6b7c8c;margin-inline-start:5px}
.v63-ws-filter-card{background:#fff;border:1px solid #dce7ef;border-radius:18px;padding:16px;box-shadow:0 8px 24px rgba(24,50,72,.05);margin-bottom:14px}
.v63-ws-filters{display:grid;grid-template-columns:1.05fr .7fr 1fr 1fr 1.3fr;gap:10px;align-items:end}
.v63-ws-filters label{margin:0;font-size:11px;font-weight:800;color:#4e6173}.v63-ws-filters select,.v63-ws-filters input{margin-top:6px;width:100%;height:44px;background:#fbfdff;border:1px solid #d7e3ec;border-radius:11px;padding:0 12px;font-size:12px;color:#14324a;outline:none}.v63-ws-filters select:focus,.v63-ws-filters input:focus{border-color:#0b8fa8;box-shadow:0 0 0 3px rgba(11,143,168,.1)}
.v63-ws-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:13px;padding-top:13px;border-top:1px solid #edf2f6}.v63-ws-summary-text{font-size:12px;color:#647587}.v63-ws-summary-text b{color:#0b3558}.v63-ws-badges{display:flex;gap:7px;flex-wrap:wrap}.v63-ws-badge{border:1px solid #d7e3ec;background:#f6fafc;color:#36546b;border-radius:999px;padding:6px 9px;font-size:10px;font-weight:800}.v63-ws-badge.teal{background:#e9fbfa;border-color:#bfe9e6;color:#087b79}
#worksheetCatalog.v63-ws-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:12px}
.v63-ws-card{background:#fff;border:1px solid #dce7ef;border-radius:16px;padding:14px;box-shadow:0 7px 22px rgba(24,50,72,.045);transition:.18s ease;min-height:205px;display:flex;flex-direction:column}.v63-ws-card:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(24,50,72,.09);border-color:#c4dbe6}.v63-ws-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.v63-ws-code{font-size:9px;font-weight:900;letter-spacing:.4px;color:#6a7b8b;background:#f3f7fa;border-radius:7px;padding:5px 7px}.v63-ws-level{font-size:9px;font-weight:900;border-radius:999px;padding:5px 8px;background:#eaf7f9;color:#0b7485}.v63-ws-card h3{font-size:14px;line-height:1.55;color:#0b3558;margin:12px 0 6px}.v63-ws-meta{font-size:10px;color:#738293;line-height:1.6;margin-bottom:12px}.v63-ws-tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:auto;margin-bottom:10px}.v63-ws-tag{font-size:9px;border:1px solid #dbe6ed;background:#f8fbfd;color:#4c6375;border-radius:999px;padding:4px 7px}.v63-ws-open{width:100%;border:0;border-radius:10px;background:linear-gradient(135deg,#0c5f7d,#0b9b9a);color:#fff;padding:10px 12px;font-weight:900;font-size:11px;cursor:pointer}.v63-ws-open:hover{filter:brightness(.98)}
.v63-pager{display:flex;align-items:center;justify-content:center;gap:7px;margin:18px 0 8px;flex-wrap:wrap}.v63-pager button{min-width:34px;height:34px;border-radius:9px;border:1px solid #d5e2ea;background:#fff;color:#31516a;font-weight:800;font-size:11px;cursor:pointer}.v63-pager button.active{background:#0b728c;color:#fff;border-color:#0b728c}.v63-pager button:disabled{opacity:.4;cursor:default}
#worksheetOutput{margin-top:16px}.v63-paper{max-width:980px;margin:0 auto;background:#fff;border:1px solid #d7e3ec;border-radius:18px;padding:28px;box-shadow:0 14px 40px rgba(24,50,72,.08);color:#18334a}.v63-paper-head{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;border-bottom:2px solid #123f65;padding-bottom:14px;margin-bottom:18px}.v63-paper-title h2{margin:0;color:#0b3558;font-size:23px}.v63-paper-title p{margin:5px 0 0;color:#657789;font-size:11px}.v63-paper-logo{width:78px;height:78px;object-fit:contain}.v63-student-line{display:grid;grid-template-columns:2fr 1fr 1fr;gap:10px;margin:0 0 18px}.v63-student-line div{border:1px solid #dbe5ec;border-radius:9px;padding:9px 11px;font-size:11px;color:#53687a}.v63-instruction{background:#f4f9fb;border:1px solid #d9e9ef;border-radius:11px;padding:11px 13px;margin:10px 0 15px;line-height:1.7;font-size:12px}.v63-question-list{display:grid;gap:10px}.v63-q{border:1px solid #e0e8ee;border-radius:11px;padding:12px 14px;break-inside:avoid}.v63-q b{color:#0b3558}.v63-q .answer-line{border-bottom:1px solid #aebeca;min-height:27px;margin-top:8px}.v63-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin-top:8px}.v63-option{border:1px solid #dfe8ed;border-radius:8px;padding:7px 9px;font-size:11px}.v63-answer-key{margin-top:18px;background:#fffbea;border:1px solid #eadca8;border-radius:12px;padding:13px 15px;font-size:11px;line-height:1.8}.v63-paper-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.v63-paper-actions button{border:1px solid #d5e2ea;background:#fff;color:#24465f;border-radius:9px;padding:9px 12px;font-weight:800;font-size:11px;cursor:pointer}.v63-paper-actions .primary{background:#0b728c;color:#fff;border-color:#0b728c}.v63-paper-actions .ghost{background:#f8fbfd}
html[dir="ltr"] .v63-paper,html[dir="ltr"] .v63-ws-card,html[dir="ltr"] .v63-ws-filter-card,html[dir="ltr"] .v63-ws-stat{text-align:left;direction:ltr}html[dir="rtl"] .v63-paper,html[dir="rtl"] .v63-ws-card,html[dir="rtl"] .v63-ws-filter-card,html[dir="rtl"] .v63-ws-stat{text-align:right;direction:rtl}
@media(max-width:1180px){#worksheetCatalog.v63-ws-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.v63-ws-filters{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:820px){.v63-ws-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.v63-ws-filters{grid-template-columns:repeat(2,minmax(0,1fr))}#worksheetCatalog.v63-ws-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.v63-paper{padding:18px}.v63-paper-head{grid-template-columns:1fr}.v63-paper-logo{display:none}.v63-student-line{grid-template-columns:1fr}.v63-options{grid-template-columns:1fr}}
@media(max-width:520px){#worksheetCatalog.v63-ws-grid{grid-template-columns:1fr}.v63-ws-filters{grid-template-columns:1fr}.v63-ws-hero{padding:20px!important}.v63-ws-hero h1{font-size:22px!important}}
@media print{.v63-paper-actions,.v63-pager,.v63-ws-filter-card,.v63-ws-hero,.v63-ws-stats{display:none!important}.v63-paper{box-shadow:none!important;border:0!important;padding:0!important;max-width:none!important}.v63-answer-key{break-before:page}}