.multigrade-page{background:#f8fbff;color:#173b64;caret-color:#075bc7;scrollbar-color:#8ba9c9 #edf5fc}
.multigrade-page ::selection{background:#bce7ff;color:#123f73}
.multigrade-main{max-width:1440px;margin:auto;padding:18px 4% 64px}
.multigrade-main .program-back{display:inline-flex;align-items:center;min-height:44px;margin-bottom:18px;color:#0752a3}
.multigrade-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,420px);gap:48px;align-items:end;padding:24px 0 38px;border-bottom:1px solid #cfdfea}
.multigrade-intro h1{font-size:clamp(36px,4.5vw,58px);line-height:1.08;margin:0 0 18px;font-weight:850;letter-spacing:-.035em}
.multigrade-intro>div>p{max-width:64ch;margin:0;color:#45637f;font-size:19px;line-height:1.65}
.multigrade-intro aside{padding:22px 24px;background:#e1f2ef;color:#174f49;border-radius:14px}
.multigrade-intro aside strong{display:block;font-size:18px;margin-bottom:8px}
.multigrade-intro aside p{margin:0;line-height:1.65;font-size:14px}
.multigrade-guide{display:grid;grid-template-columns:minmax(260px,.65fr) minmax(0,1.35fr);gap:42px;padding:34px 0}
.multigrade-guide h2{font-size:25px;line-height:1.35;margin:0}
.multigrade-guide p{max-width:72ch;margin:0;color:#45637f;line-height:1.75}
.multigrade-filters{background:#fff;border:1px solid #cfdfea;border-radius:16px;padding:24px;margin-bottom:22px}
.grade-picker{border:0;padding:0;margin:0 0 22px}
.grade-picker legend{font-weight:850;margin-bottom:12px}
.grade-picker>div{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.grade-picker label{position:relative;display:block;cursor:pointer}
.grade-picker input{position:absolute;inset:0;opacity:0}
.grade-picker span{display:flex;align-items:baseline;justify-content:space-between;gap:8px;min-height:52px;padding:13px 14px;border:1px solid #a9bfd2;border-radius:10px;background:#fff;color:#36536e}
.grade-picker strong{font-size:17px}.grade-picker small{font-size:12px}
.grade-picker input:checked+span{background:#075bc7;border-color:#075bc7;color:#fff}
.grade-picker input:focus-visible+span{outline:3px solid #087d94;outline-offset:3px}
.filter-row{display:grid;grid-template-columns:1fr 2fr 1.2fr 1.2fr;gap:14px;align-items:end}
.filter-row label{display:grid;gap:7px;font-size:12px;font-weight:800;color:#2d4d69}
.filter-row :is(input,select){width:100%;min-height:46px;padding:10px 12px;border:1px solid #9eb6cf;border-radius:8px;background:white;color:#173b64;font:inherit}
.filter-row input::placeholder{color:#5a7186;opacity:1}
.filter-row :is(input,select):focus-visible,.filter-actions :is(a,button):focus-visible,.multigrade-pager button:focus-visible,.relation-item summary:focus-visible{outline:3px solid #087d94;outline-offset:3px}
.filter-actions{display:flex;align-items:center;gap:24px;margin-top:18px}
.filter-actions button,.multigrade-pager button{min-height:44px;padding:9px 14px;border:1px solid #a9bfd2;border-radius:8px;background:#fff;color:#0752a3;font:inherit;font-weight:750;cursor:pointer}
.filter-actions a{display:inline-flex;align-items:center;min-height:44px;color:#0752a3}
.filter-actions .matrix-view-link{margin-left:auto;font-weight:800;text-decoration-thickness:1px;text-underline-offset:4px}
.filter-actions button:hover,.multigrade-pager button:not(:disabled):hover{background:#edf5fc}
.multigrade-status{scroll-margin-top:24px;margin:18px 0;font-weight:750;color:#36536e;font-variant-numeric:tabular-nums}
.multigrade-results{display:grid;gap:26px}
.relation-item{background:#fff;border:1px solid #cfdfea;border-radius:16px;overflow:hidden}
.relation-heading{display:flex;justify-content:space-between;gap:28px;align-items:flex-start;padding:24px 26px 18px}
.relation-heading h2{font-size:25px;line-height:1.3;margin:0 0 7px;letter-spacing:-.02em}
.relation-heading .relation-meta{font-size:12px;color:#526b82;margin:0;font-weight:750;font-variant-numeric:tabular-nums}
.relation-labels{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.relation-kind{display:inline-flex;align-items:center;max-width:260px;padding:8px 12px;border-radius:999px;font-size:12px;line-height:1.35;font-weight:800;background:#dceaff;color:#194c88}
.revision-state{font-size:11px;color:#526b82;font-weight:750}
.kind-spc{background:#dff2ec;color:#245e48}.kind-ens{background:#fff0e2;color:#864614}.kind-dhc{background:#eee7fa;color:#624196}
.relation-reason{max-width:90ch;padding:0 26px 24px;margin:0;color:#45637f;line-height:1.7}
.phase-comparison{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));border-top:1px solid #cfdfea;background:#f7fafe}
.phase-column{min-width:0;padding:22px 20px 26px;border-right:1px solid #cfdfea}
.phase-column:last-child{border-right:0}
.phase-column>header{display:flex;justify-content:space-between;gap:12px;align-items:baseline;margin-bottom:20px}
.phase-column>header h3{font-size:21px;margin:0}.phase-column>header p{font-size:12px;margin:0;color:#526b82;font-weight:750}
.phase-content+.phase-content{border-top:1px solid #cfdfea;margin-top:24px;padding-top:24px}
.phase-content h4{font-size:16px;line-height:1.55;margin:0 0 6px;color:#203f5c}
.content-id{font-size:11px;font-weight:850;color:#0752a3;margin:0 0 18px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.grade-pda{border-top:1px solid #d7e3ed}
.grade-pda summary{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:48px;padding:11px 0;cursor:pointer;color:#173b64;font-weight:850}
.grade-pda summary small{font-size:11px;color:#526b82}
.grade-pda>div{padding:0 0 18px}
.grade-pda ol{margin:0;padding-left:22px}
.grade-pda li{padding-left:3px;margin-bottom:16px}
.grade-pda li::marker{font-weight:850;color:#075bc7}
.grade-pda li strong{display:block;font-size:11px;color:#0752a3;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.grade-pda li p{font-size:14px;line-height:1.65;margin:4px 0 0;color:#2f4c67}
.content-projects{margin-top:18px;padding-top:16px;border-top:1px dashed #aec2d4}
.content-projects>strong{font-size:13px}.content-projects ul{list-style:none;padding:0;margin:10px 0 12px}
.content-projects li{display:flex;justify-content:space-between;gap:10px;margin:0 0 8px;padding:0}
.content-projects li span{font-size:13px;line-height:1.5}.content-projects li small{font-size:10px;color:#526b82;white-space:nowrap}
.content-projects a,.source-link{display:inline-flex;align-items:center;min-height:44px;color:#0752a3;font-size:12px;font-weight:750}
.source-link{margin-top:10px}.no-project{font-size:12px;line-height:1.55;color:#526b82;margin:14px 0 0}
.phase-gap{font-size:14px;line-height:1.65;color:#526b82;margin:0}
.multigrade-pager{display:flex;justify-content:center;align-items:center;gap:14px;margin:30px 0;font-variant-numeric:tabular-nums}
.multigrade-pager button:disabled{cursor:default;color:#8294a5;background:#eef2f6}
.multigrade-empty{padding:38px;background:#fff;border:1px solid #cfdfea;border-radius:14px;text-align:center}
.multigrade-empty h2{font-size:22px;margin:0 0 8px}.multigrade-empty p{color:#526b82;margin:0}
.multigrade-reading{border-block:1px solid #cfdfea;margin-top:42px;padding:8px 0}
.multigrade-reading summary{cursor:pointer;min-height:48px;padding:12px 0;font-weight:850}
.multigrade-reading>div{max-width:80ch;padding:12px 0 26px}.multigrade-reading h2{font-size:23px}
.multigrade-reading dt{font-weight:850;margin-top:18px}.multigrade-reading dd{margin:4px 0 0;color:#45637f;line-height:1.65}
@media(max-width:1050px){.filter-row{grid-template-columns:1fr 1fr}.phase-comparison{grid-template-columns:1fr}.phase-column{border-right:0;border-bottom:1px solid #cfdfea}.phase-column:last-child{border-bottom:0}}
@media(max-width:760px){.multigrade-main{padding:8px 5% 46px}.multigrade-intro{grid-template-columns:1fr;gap:24px;padding-top:12px}.multigrade-intro h1{font-size:38px}.multigrade-intro>div>p{font-size:16px}.multigrade-guide{grid-template-columns:1fr;gap:12px}.multigrade-filters{padding:18px}.grade-picker>div{grid-template-columns:repeat(3,minmax(0,1fr))}.filter-row{grid-template-columns:1fr}.filter-actions{align-items:flex-start;flex-direction:column;gap:4px}.filter-actions .matrix-view-link{margin-left:0}.relation-heading{flex-direction:column;padding:20px 18px 14px}.relation-labels{align-items:flex-start}.relation-kind{max-width:none}.relation-reason{padding:0 18px 20px}.phase-column{padding:20px 18px 24px}.content-projects li{display:block}.content-projects li small{display:block;margin-top:2px}.multigrade-pager{flex-wrap:wrap}}
@media(max-width:380px){.grade-picker span{display:block}.grade-picker small{display:block;margin-top:2px}.relation-heading h2{font-size:22px}}
@media print{.brand-header,.brand-footer,.multigrade-filters,.multigrade-pager,.program-back{display:none}.multigrade-main{max-width:none;padding:0}.multigrade-intro aside{background:none;border:1px solid #bbb}.relation-item{break-inside:avoid}.phase-comparison{grid-template-columns:repeat(3,1fr)}.phase-column{border-right:1px solid #bbb}.grade-pda{display:block}.grade-pda>div{display:block}.multigrade-reading{display:none}}