/* V65 — structured KG–12 worksheet library */
#worksheets.v65-ready{max-width:1180px;margin:0 auto;padding-bottom:48px}
.v65-shell{display:grid;gap:18px}
.v65-hero{background:linear-gradient(135deg,#0b3558 0%,#0d5874 60%,#0f7d7e 100%);color:#fff;border-radius:24px;padding:24px;box-shadow:0 18px 42px rgba(11,53,88,.16);overflow:hidden;position:relative}
.v65-hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.07);left:-80px;top:-120px}
.v65-hero h1{font-size:28px;margin:0 0 8px;position:relative;z-index:1}.v65-hero p{margin:0;opacity:.88;line-height:1.75;max-width:820px;position:relative;z-index:1}
.v65-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:20px;position:relative;z-index:1}
.v65-metric{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:13px 15px}.v65-metric strong{display:block;font-size:24px;letter-spacing:.2px}.v65-metric span{font-size:11px;opacity:.78}
.v65-step{background:#fff;border:1px solid #dce6ee;border-radius:20px;box-shadow:0 8px 24px rgba(11,53,88,.06);padding:18px}
.v65-stephead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.v65-stephead h2{margin:0;color:#0b3558;font-size:19px}.v65-stephead p{margin:3px 0 0;color:#748395;font-size:12px}.v65-count{white-space:nowrap;border:1px solid #cfe5e4;background:#eef9f8;color:#0c6c6e;padding:7px 11px;border-radius:999px;font-weight:800;font-size:12px}
.v65-tracks{display:grid;grid-template-columns:1fr 1fr;gap:12px}.v65-track{border:1px solid #d7e3ec;background:#f9fcff;border-radius:18px;padding:16px;text-align:start;color:#173a56;min-height:96px;transition:.18s;position:relative}.v65-track:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,53,88,.08)}.v65-track.active{border-color:#0f7d7e;background:#edf9f7;box-shadow:inset 0 0 0 1px #0f7d7e}.v65-track b{display:block;font-size:17px;margin-bottom:5px}.v65-track small{color:#718196;line-height:1.5}.v65-track em{position:absolute;top:14px;inset-inline-end:14px;font-style:normal;background:#0b3558;color:#fff;padding:4px 8px;border-radius:999px;font-size:10px}
.v65-gradegrid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.v65-grade{border:1px solid #dbe5ed;background:#fff;border-radius:16px;padding:14px 10px;text-align:center;color:#173a56;transition:.16s}.v65-grade:hover,.v65-grade.active{border-color:#0f7d7e;background:#f0faf9}.v65-grade b{display:block;font-size:18px}.v65-grade span{display:block;color:#0f7d7e;font-weight:800;font-size:12px;margin-top:5px}.v65-grade small{display:block;color:#8997a5;font-size:10px;margin-top:2px}
.v65-breadcrumbs{display:flex;align-items:center;gap:6px;flex-wrap:wrap;background:#f7fafc;border:1px solid #dde7ef;border-radius:14px;padding:9px 11px}.v65-crumb{border:0;background:transparent;color:#0c6680;font-weight:800;padding:6px 7px;border-radius:9px}.v65-crumb:hover{background:#eaf4f7}.v65-sep{color:#a3afba}.v65-current{color:#42576a;font-weight:800;font-size:12px}
.v65-subjectgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px}.v65-subject{border:1px solid #dbe5ed;background:#fbfdff;border-radius:17px;padding:15px;text-align:start;min-height:112px;color:#173a56;position:relative}.v65-subject:hover{border-color:#84c9c6;background:#f3fbfa}.v65-subject .ico{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:#eaf3f8;margin-bottom:10px;font-size:18px}.v65-subject b{display:block;font-size:15px;line-height:1.35}.v65-subject span{display:block;font-size:11px;color:#0f7d7e;font-weight:800;margin-top:7px}.v65-subject small{font-size:10px;color:#8a98a5}
.v65-strandgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.v65-strand{border:1px solid #dce6ee;background:#fff;border-radius:14px;padding:12px 14px;text-align:start;color:#173a56;display:flex;align-items:center;justify-content:space-between;gap:10px}.v65-strand:hover{border-color:#0f7d7e;background:#f6fbfb}.v65-strand b{font-size:13px}.v65-strand span{font-size:11px;white-space:nowrap;color:#0f7d7e;font-weight:800;background:#eaf8f7;border-radius:999px;padding:5px 8px}
.v65-listhead{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:12px}.v65-listhead h3{margin:0;color:#0b3558}.v65-listhead p{margin:4px 0 0;color:#7d8b98;font-size:11px}.v65-search{max-width:330px;min-width:220px;margin:0!important}
.v65-wsgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.v65-ws{border:1px solid #dce6ee;background:#fff;border-radius:16px;padding:14px;display:grid;grid-template-columns:auto 1fr auto;gap:11px;align-items:center}.v65-number{width:42px;height:42px;border-radius:13px;background:#eaf4f8;color:#0b5571;display:grid;place-items:center;font-weight:900}.v65-ws h4{margin:0;color:#173a56;font-size:13px}.v65-ws p{margin:4px 0 0;color:#83909c;font-size:10px;line-height:1.5}.v65-open{border:0;background:#0b5571;color:#fff;border-radius:11px;padding:9px 11px;font-weight:800;font-size:11px;white-space:nowrap}.v65-open:hover{background:#0f7d7e}
.v65-empty{text-align:center;padding:30px;color:#758494}.v65-note{font-size:11px;color:#708091;background:#f8fbfd;border:1px dashed #d4e1e9;border-radius:12px;padding:10px 12px;line-height:1.7}
#worksheetOutput:not(:empty){margin-top:18px}
@media(max-width:980px){.v65-gradegrid{grid-template-columns:repeat(4,1fr)}.v65-subjectgrid{grid-template-columns:repeat(3,1fr)}.v65-metrics{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){#worksheets.v65-ready{padding:0 0 34px}.v65-shell{gap:12px}.v65-hero{border-radius:18px;padding:17px}.v65-hero h1{font-size:22px}.v65-hero p{font-size:12px}.v65-metrics{gap:7px;margin-top:14px}.v65-metric{padding:10px;border-radius:12px}.v65-metric strong{font-size:19px}.v65-metric span{font-size:9px}.v65-step{padding:13px;border-radius:16px}.v65-stephead{align-items:flex-start}.v65-stephead h2{font-size:16px}.v65-stephead p{font-size:10px}.v65-tracks{grid-template-columns:1fr}.v65-track{min-height:82px;padding:13px}.v65-gradegrid{grid-template-columns:repeat(3,1fr);gap:7px}.v65-grade{padding:11px 6px;border-radius:13px}.v65-grade b{font-size:16px}.v65-grade span{font-size:10px}.v65-subjectgrid{grid-template-columns:repeat(2,1fr);gap:8px}.v65-subject{min-height:105px;padding:12px}.v65-subject b{font-size:13px}.v65-strandgrid{grid-template-columns:1fr}.v65-listhead{align-items:stretch;flex-direction:column}.v65-search{max-width:none;width:100%;min-width:0}.v65-wsgrid{grid-template-columns:1fr}.v65-ws{grid-template-columns:auto 1fr;position:relative;padding-bottom:52px}.v65-open{position:absolute;bottom:12px;inset-inline-end:12px;inset-inline-start:12px}.v65-number{width:38px;height:38px}.v65-count{font-size:10px;padding:6px 8px}}

/* V67 — 1,000-per-skill advanced level controls */
.v67-levelbar{border:1px solid #d7e5ec;background:#f8fbfd;border-radius:16px;padding:12px;margin:0 0 12px}
.v67-levels{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}
.v67-levels button{border:1px solid #d9e3ea;background:#fff;color:#345064;border-radius:12px;padding:8px 7px;display:flex;align-items:center;gap:7px;text-align:start;min-height:48px}
.v67-levels button b{width:25px;height:25px;border-radius:8px;background:#edf3f7;display:grid;place-items:center;color:#0b5571;flex:0 0 auto}
.v67-levels button span{font-size:10px;line-height:1.25;font-weight:700}
.v67-levels button.active{border-color:#0f7d7e;background:#eaf8f7;box-shadow:inset 0 0 0 1px #0f7d7e}
.v67-levels button.active b{background:#0f7d7e;color:#fff}
.v67-levelmeta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:10px;font-size:11px;color:#637586}
.v67-levelmeta button,.v67-pager button{border:1px solid #cbdce5;background:#fff;color:#0b5571;border-radius:10px;padding:8px 11px;font-weight:800}
.v67-pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:10px 0 12px;padding:9px 11px;border-radius:12px;background:#f4f8fb;color:#526677;font-size:11px}
.v67-pager button:disabled{opacity:.4;cursor:not-allowed}.v67-pager.bottom{margin:13px 0 0}
@media(max-width:760px){.v67-levels{grid-template-columns:repeat(2,minmax(0,1fr))}.v67-levelmeta{align-items:stretch;flex-direction:column}.v67-pager{flex-wrap:wrap}.v67-pager b{order:-1;width:100%;text-align:center}}
@media print{
  body *{visibility:hidden!important}
  .v81-print-page,.v81-print-page *{visibility:visible!important}
  .v81-print-page{position:absolute!important;inset:0!important;margin:0!important;padding:0!important;border:0!important;box-shadow:none!important;max-width:none!important;width:100%!important}
  .v81-print-page img{width:100%!important;max-height:100vh!important;object-fit:contain!important;border:0!important}
  .no-print{display:none!important}
}