/* Final shared UI rules, loaded after feature styles. */
.promo .promo-digit{font-weight:400}
.promo .promo-message>strong,.promo .promo-message>span{font-size:14px;font-weight:600;line-height:22px;display:inline-flex;align-items:center;white-space:nowrap}
.promo .promo-message .promo-sale-five{font-size:20px;font-weight:800;line-height:22px;color:#58d7dc;margin:0 3px}
.promo .promo-cta{width:auto;min-width:0;height:28px;padding:0 9px;gap:6px;font-size:12px;flex:0 0 auto}
.auth-dialog-open{overflow:hidden}
.auth-dialog{padding:0;border:1px solid var(--line);border-radius:24px;width:min(900px,calc(100vw - 32px));max-height:calc(100dvh - 40px);overflow:auto;background:var(--panel);color:var(--text);box-shadow:0 24px 100px #0005}
.auth-dialog::backdrop{background:#080c195e;backdrop-filter:blur(5px)}
.auth-dialog .auth-page{margin:0;border:0;border-radius:0;min-height:540px;grid-template-columns:0.9fr 1.1fr}
.auth-dialog .auth-art{padding:32px}
.auth-dialog .auth-art h1{font-size:30px}
.auth-dialog .auth-orbits{height:110px;font-size:90px}
.auth-dialog .auth-form-panel{padding:32px}
.auth-dialog .auth-tabs{margin-top:0}
.auth-dialog-close{position:absolute;right:12px;top:10px;z-index:2;width:30px;height:30px;border:0;border-radius:50%;background:var(--panel);color:var(--muted);font-size:24px;cursor:pointer}
.auth-dialog .auth-benefits{gap:6px}
.auth-dialog .auth-brandline{top:30px}
@media(max-width:760px){
 .promo .promo-message>strong,.promo .promo-message>span{font-size:11px;line-height:18px}
 .promo .promo-message .promo-sale-five{font-size:16px;line-height:18px}
 .promo .promo-cta{height:26px;padding:0 7px;font-size:10px}
 .auth-dialog .auth-page{grid-template-columns:1fr;min-height:0}
 .auth-dialog .auth-art{display:none}
 .auth-dialog .auth-form-panel{padding:32px 24px 24px}
}
@media(max-width:520px){.promo .promo-message>span{display:none}}

.resource-grade-tree{margin:4px 12px 14px 32px;padding-left:12px;border-left:1px solid var(--line)}
.resource-grade-tree[hidden]{display:none}
.grade-tree-item{display:flex;align-items:center;justify-content:space-between;width:100%;height:34px;margin:3px 0;padding:0 12px;border:0;border-radius:8px;background:transparent;color:var(--muted);font:inherit;font-size:12px;cursor:pointer;text-align:left}
.grade-tree-item:hover{background:#7866ee12;color:var(--text)}
.grade-tree-item.selected{background:#7866ee22;color:#6095f6;font-weight:600}
.grade-lock{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.7}
.nav-item[data-page="resources"]:after{content:'›';margin-left:auto;transition:transform .15s}
.nav-item[data-page="resources"][aria-expanded="true"]:after{transform:rotate(90deg)}

/* Reference blue treatment applies only to daytime subject cards. */
body:not(.dark) .home-v29 .subjects .subject-card{background:linear-gradient(120deg,#3c82f6 0%,#1265ec 100%);border-color:transparent;box-shadow:0 8px 20px #216bec20}
body:not(.dark) .home-v29 .subjects .subject-card:hover,body:not(.dark) .home-v29 .subjects .subject-card:focus-visible{border-color:#a6ccff;box-shadow:0 12px 26px #216bec30}
body:not(.dark) .home-v29 .subjects .subject-name{color:#fff}
body:not(.dark) .home-v29 .subjects .subject-desc,body:not(.dark) .home-v29 .subjects .subject-num{color:#e3edff}
body:not(.dark) .home-v29 .subjects .subject-icon{color:#fff;background:linear-gradient(135deg,#ffffff60,#a9dcff30);border-color:#ffffff40}
body:not(.dark) .home-v29 .subjects .subject-arrow{color:#1765d7;border-color:transparent;background:#b7d3ff}

.pricing-page{max-width:1500px;margin:auto}.pricing-banner{position:relative;overflow:hidden;padding:30px 36px;border-radius:22px;background:radial-gradient(ellipse at 85% 10%,#5960c677,transparent 60%),linear-gradient(115deg,#073d46,#101d37);color:white}.pricing-banner h1{font-size:28px;margin:12px 0}.pricing-banner p{color:#c2dfe6;font-size:13px}.pricing-banner-badge{display:inline-block;color:#8df1e6;font-size:12px;margin-top:8px}.pricing-tabs{display:flex;justify-content:center;gap:40px;border-bottom:1px solid var(--line);margin:20px 0}.pricing-tabs button{padding:16px 20px;background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);font-size:16px;cursor:pointer}.pricing-tabs button[aria-selected=true]{color:var(--text);border-bottom-color:#7661ed;font-weight:700}.pricing-controls{display:flex;align-items:center;justify-content:space-between;margin:24px 0 10px}.pricing-school{display:flex;padding:4px;border:1px solid var(--line);border-radius:30px;background:var(--panel);gap:4px}.pricing-school button{border:0;padding:10px 30px;border-radius:24px;background:transparent;color:var(--muted);cursor:pointer}.pricing-school button[aria-pressed=true]{background:#7864ea;color:#fff}.pricing-note,.pricing-footnote{font-size:12px;color:var(--muted);line-height:1.8}.pricing-page .pricing-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:28px}.pricing-page .offer-card{padding:0;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:var(--panel);box-shadow:none}.offer-ribbon{min-height:38px;padding:10px 14px;display:flex;justify-content:space-between;gap:5px;background:#7864ea15;color:#6095f6;font-size:11px}.offer-ribbon b{white-space:nowrap}.offer-main{padding:22px 18px;background:linear-gradient(135deg,#7864ea06,transparent);border-radius:0 0 20px 20px}.pricing-page .offer-card h3{font-size:17px;min-height:48px;line-height:1.5;margin:14px 0}.pricing-page .plan-price{font-size:36px;white-space:nowrap;margin:0;line-height:1.4}.pricing-page .plan-price small{font-size:16px}.pricing-page .plan-price span{font-size:12px;color:var(--muted)}.offer-pricing del{color:var(--muted);font-size:12px}.offer-saving{color:#6095f6;font-size:12px;margin:10px 0 26px}.offer-quota{display:flex;gap:8px;align-items:baseline}.offer-quota strong{font-size:24px}.offer-quota span{font-size:11px;color:var(--muted)}.pricing-page .price-caption{font-size:11px;min-height:30px;line-height:1.6}.pricing-page .member-buy{height:40px;padding:0 14px;font-size:12px;margin-top:14px}.offer-benefits{padding:12px 18px 22px}.offer-benefits h4{font-size:12px}.pricing-page .offer-benefits li{font-size:11px;line-height:1.7;align-items:flex-start}.pricing-page .offer-3{border-color:#9380f1}.offer-3 .offer-ribbon{background:#7864ea;color:white}.offer-3 .member-buy{background:#7864ea;color:white}.pricing-page .offer-4{border-color:#49cdd0}.offer-4 .offer-ribbon{background:#50d6db;color:#073d46}.offer-4 .member-buy{background:#50d6db;color:#073d46}.team-offer{padding:36px;border:1px solid var(--line);border-radius:22px;background:var(--panel)}.team-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:28px 0}.team-feature-grid p,.team-offer>p{font-size:13px;line-height:1.8;color:var(--muted)}.team-offer-actions{display:flex;gap:14px;align-items:center}.team-offer-actions .member-buy{width:auto;min-width:180px;margin:0}.pricing-footnote{text-align:center;margin-top:24px}@media(max-width:1200px){.pricing-page .pricing-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:760px){.pricing-page .pricing-grid{grid-template-columns:1fr}.pricing-banner{padding:24px}.pricing-banner h1{font-size:23px}.pricing-school button{padding:8px 16px}.team-feature-grid{grid-template-columns:1fr}.team-offer{padding:24px}.team-offer-actions{flex-wrap:wrap}}

/* Permanent plans occupy the final two positions with raised headers. */
.pricing-page .pricing-grid{padding-top:18px;align-items:stretch}
.pricing-page .offer-permanent{overflow:visible;position:relative;margin-top:-18px;border-width:1px;background:var(--panel)}
.pricing-page .offer-permanent .offer-ribbon{border-radius:19px 19px 0 0;min-height:56px;align-items:center;font-size:13px;font-weight:700;padding:12px 14px}
.pricing-page .offer-permanent .offer-main{border-radius:18px;background:linear-gradient(145deg,#7864ea16,transparent)}
.pricing-page .offer-4 .offer-main{background:linear-gradient(145deg,#50d6db1c,transparent)}
.pricing-page .offer-permanent .offer-ribbon b{font-size:11px;background:#ffffff24;border-radius:5px;padding:3px 5px}
@media(max-width:1200px){.pricing-page .offer-permanent{margin-top:0}.pricing-page .pricing-grid{row-gap:24px}}

.team-quote-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:30px}.team-quote-grid label{display:flex;gap:18px;align-items:center;margin:18px 0;font-size:13px}.team-quote-grid select,.team-quote-grid input{padding:10px;border:1px solid var(--line);border-radius:9px;color:var(--text);background:var(--panel)}.team-quote-grid aside{padding:22px;border:1px solid var(--line);border-radius:16px}.team-quote-grid p{font-size:12px;color:var(--muted);line-height:2}.team-quote-grid aside .button{margin-top:12px}.team-discounts{padding:12px;background:#7864ea15;border-radius:10px}@media(max-width:760px){.team-quote-grid{grid-template-columns:1fr}}

/* Compact pricing layout and centered grade control. */
.pricing-page .pricing-banner{padding:22px 30px}.pricing-banner h1{margin:8px 0;font-size:25px}.pricing-banner p{margin:6px 0}.pricing-banner-badge{display:none}
.pricing-page .pricing-controls{display:grid;grid-template-columns:1fr auto 1fr;margin:18px 0 8px}.pricing-controls .pricing-school{grid-column:2;box-shadow:0 4px 18px #7864ea16;border-color:#7864ea40}.pricing-controls>.button{grid-column:3;justify-self:end}.pricing-school button{font-size:14px;font-weight:650;min-width:88px}.pricing-page .pricing-note{text-align:center;font-size:11px;margin:6px 0}
.pricing-page .offer-main{padding:14px 16px}.pricing-page .offer-card h3{min-height:0;margin:4px 0 12px;font-size:16px;line-height:1.4}.pricing-page .offer-saving{margin:5px 0 12px}.pricing-page .offer-quota strong{font-size:21px}.pricing-page .price-caption{min-height:0;margin:6px 0;line-height:1.5}.pricing-page .member-buy{margin-top:10px;height:36px}.pricing-page .offer-benefits{padding:8px 16px 16px}.pricing-page .offer-benefits h4{margin:4px 0 9px}.pricing-page .offer-benefits ul{margin:0;padding:0;display:flex;flex-direction:column;gap:7px}.pricing-page .offer-benefits li{margin:0;padding:0;line-height:1.5;min-height:0}.pricing-page .offer-ribbon{min-height:32px;padding:8px 12px}.pricing-page .offer-permanent .offer-ribbon{min-height:50px;padding:10px 12px}
.credit-purpose{padding:14px 18px;border:1px solid #7864ea30;background:#7864ea0d;border-radius:12px;font-size:13px}.credit-pack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.credit-pack{text-align:center;padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}.credit-pack h3{font-size:17px;margin:0 0 22px}.credit-pack .plan-price{color:#6095f6}.credit-pack p{color:var(--muted);font-size:12px}.credit-pack>small{display:block;color:#998053;margin:14px 0 22px}.credit-pack .member-buy{background:#7864ea;color:white}.credit-purchase>.button{display:block;margin:16px auto}@media(max-width:760px){.pricing-page .pricing-controls{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.credit-pack-grid{grid-template-columns:1fr}.pricing-school button{min-width:70px}}