/* Compact launch layout: readable small text, intentional large headings, consistent surfaces. */
:root{--nav:196px;--surface:#fff;--surface-soft:#edf5f7;--hover:#deeff0;--hover-ink:#075b66;--accent-soft:#e1f4f1}
:root[data-theme=sunrise]{--surface:#fffdfd;--surface-soft:#f4effb;--hover:#eae0f5;--hover-ink:#542b79;--accent-soft:#eee5f8;--paper:#f8f6fc;--line:#ded7e9}
:root[data-theme=night]{--surface:#17283c;--surface-soft:#20354d;--hover:#2a435b;--hover-ink:#c0f4eb;--accent-soft:#24484e;--line:#3b5068;--paper:#0e1b2c}
html{scrollbar-gutter:stable}.sidebar{width:var(--nav);padding:18px 12px;gap:0;overflow-y:auto;overscroll-behavior:contain}.sidebar>.brand{gap:8px;font-size:21px;margin-bottom:6px}.brand-art{width:50px;height:50px;flex:0 0 50px}.brand-art img{width:100%;height:100%;object-fit:contain}.brand-caption{font-size:10px;margin:4px 9px 20px;letter-spacing:.12em}.sidebar nav{gap:3px}.sidebar .navlink{padding:11px 12px;min-height:44px;font-size:14px;line-height:1.35;gap:11px;border-radius:11px}.navlink .icon{width:20px;height:20px;flex:none}.navlink>span{min-width:0;overflow-wrap:anywhere}.sidebar .navlink:hover,.sidebar .navlink:focus-visible{background:var(--hover);color:var(--hover-ink)}.sidebar .navlink.active{background:var(--accent-soft);color:var(--hover-ink);font-weight:750}.sidebar-note{padding:14px;margin-top:22px}.sidebar-note strong{font-size:15px}.sidebar-note p,.sidebar-note a{font-size:12px}.sidefoot{font-size:9px;padding-top:14px}
:root[data-theme=night] .brand-art{background:#f5faff;border:1px solid #afc6dc;border-radius:13px;padding:4px;box-shadow:0 3px 14px #0002}
.topbar{min-height:62px;height:auto;padding:10px 24px;flex-wrap:nowrap;gap:10px;justify-content:space-between}.breadcrumb{font-size:12px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.top-actions{margin-left:auto;justify-content:flex-end;gap:7px;flex-wrap:nowrap}.top-actions .btn{font-size:12px;padding:8px 11px;min-height:34px;white-space:nowrap}.top-actions .profile{font-size:12px;gap:6px;padding:6px}.top-actions .avatar{width:25px;height:25px;font-size:11px}.top-actions .pill{font-size:9px;padding:4px 7px;white-space:nowrap}.top-actions .free-tag{display:none}.content{padding:24px 28px}.page-heading{margin-bottom:22px;gap:18px}.page-heading h1{font-size:clamp(26px,2.15vw,34px);line-height:1.2;letter-spacing:-.75px}.page-heading>div>p{margin-top:9px}
.hero{min-height:0;grid-template-columns:1fr 1fr;margin-bottom:26px}.hero-copy{padding:26px 30px}.hero h2{font-size:clamp(27px,2.25vw,36px);line-height:1.2;max-width:650px;margin:13px 0}.hero p{font-size:15px;line-height:1.65;max-width:570px;margin:13px 0 18px}.hero .eyebrow{font-size:11px}.hero-buttons{gap:20px}.hero-buttons .btn,.hero-buttons .textlink{font-size:14px}.hero-buttons .btn{padding:12px 17px}.hero-art{min-height:0;max-height:none}.hero-art img{width:100%;height:auto;max-height:285px;object-fit:contain}.hero-art:after{bottom:9px;font-size:9px}
.dashboard-grid{gap:14px;grid-auto-rows:auto}.dashboard-grid>.card{padding:18px;min-height:0}.dashboard-grid .resource-tile{min-height:175px}.dashboard-grid .tile-icon{width:42px;height:42px;border-radius:12px;margin-bottom:13px}.dashboard-grid .tile-icon .icon{width:24px;height:24px}.dashboard-grid h3{font-size:20px;margin:4px 0 8px}.dashboard-grid .resource-tile p{margin:0 0 14px}.dashboard-grid .tile-bottom{padding-top:10px;margin-top:auto}.scorecard .scorevalue{font-size:40px;line-height:1.2;margin:13px 0 6px}.scorecard .scorelabel{font-size:15px}.scorecard .progressline{margin-top:15px}.scorecard p{margin:3px 0}.sectionhead{margin:25px 0 16px}.sectionhead h2{font-size:24px}.statsbar{padding:18px 22px}
.video-grid:not(.shorts-grid){grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.video-grid .video-info{padding:14px}.video-grid .video-info h3{font-size:16px;line-height:1.4;margin:0 0 7px}.video-grid .video-info small{font-size:12px}.video-grid .video-image{aspect-ratio:16/9}.grid3{gap:18px}.material{padding:20px}.material .tile-icon{width:42px;height:42px;margin-bottom:15px}.material h3{font-size:21px;margin:10px 0}.material>p{margin-bottom:16px}
.practice-domain-grid{gap:15px}.practice-domain-card{display:grid;grid-template-columns:78px minmax(0,1fr) auto;grid-template-rows:auto auto auto;column-gap:22px;row-gap:5px;align-items:center;padding:22px 26px;min-height:0}.practice-domain-card .domain-art{grid-row:1/4;grid-column:1;width:78px;height:78px;margin:0}.practice-domain-card h2{grid-column:2;grid-row:1;font-size:25px;line-height:1.25;margin:0}.practice-domain-card p{grid-column:2;grid-row:2;margin:0;max-width:850px}.practice-domain-card>strong{grid-column:2;grid-row:3;font-size:12px;margin:0}.practice-domain-card>.textlink{grid-column:3;grid-row:1/4;white-space:nowrap;font-size:13px;margin:0}.quiz-builder-banner{padding:22px 26px;margin-bottom:23px;gap:20px}.quiz-builder-banner h2{font-size:27px;margin:7px 0}.quiz-builder-banner p{font-size:15px}.algebra-heading h1{font-size:32px}.algebra-domain>header{padding:23px 26px}.algebra-topic{padding:20px 26px}.algebra-topic h3{font-size:20px}.algebra-domain h2{font-size:27px}
.exam-test-list{display:grid;gap:20px}.exam-list-row{display:flex;align-items:center;gap:25px;min-height:170px;padding:24px 28px;border-top:4px solid var(--teal);border-radius:21px}.exam-number-tile{display:grid;place-content:center;gap:5px;text-align:center;flex:0 0 82px;height:88px;border-radius:22px;background:linear-gradient(140deg,#2d858b,#174765);color:#fff;box-shadow:0 10px 24px #0e536c22}.exam-number-tile strong{font-size:33px;line-height:1}.exam-number-tile span{font-size:10px;letter-spacing:.16em;font-weight:800}.exam-list-copy{flex:1;min-width:0}.exam-list-copy h2{font-size:24px;margin:8px 0 6px}.exam-list-copy p{margin:0 0 13px}.exam-list-copy .pill{font-size:11px}.exam-row-meta{display:flex;align-items:center;flex-wrap:wrap;gap:18px;font-size:13px}.exam-row-meta span{display:flex;align-items:center;gap:6px}.exam-row-meta .icon{width:17px;height:17px}.exam-list-row>.btn{min-width:140px}.exam-intro{max-width:920px;padding:28px}.exam-intro-summary{display:flex;align-items:center;gap:18px}.exam-intro-summary h2{font-size:27px;margin:0 0 6px}.exam-intro-summary p{margin:0}.exam-intro-icon{display:grid;place-items:center;width:56px;height:62px;background:var(--accent-soft);color:var(--teal);border-radius:16px}.exam-intro-icon .icon{width:30px;height:30px}.exam-rules{display:grid;gap:0;margin:19px 0}.exam-rules p{margin:8px 0;line-height:1.55}.exam-intro #exam-intro-status:empty{display:none}
.mixed-builder{padding:24px;max-width:1100px}.mixed-builder>.sectionhead{margin-top:0}.mixed-domain{border:1px solid var(--line);border-radius:15px;background:var(--surface);margin:12px 0;overflow:hidden}.mixed-domain>summary{display:flex;align-items:center;gap:13px;cursor:pointer;list-style:none;padding:17px 18px;font-weight:750}.mixed-domain>summary::-webkit-details-marker{display:none}.mixed-domain>summary:after{content:'+';font-size:22px;font-weight:400;margin-left:6px}.mixed-domain[open]>summary:after{content:'−'}.mixed-domain>summary:hover{background:var(--surface-soft)}.mixed-domain-count{font-size:12px;font-weight:500;color:var(--muted);margin-left:auto;white-space:nowrap}.mixed-domain-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--accent-soft);color:var(--teal)}.mixed-domain-icon .icon{width:20px;height:20px}.mixed-domain-body{padding:0 20px 18px}.mixed-domain-body>.row{justify-content:flex-end;margin:0 0 14px}.mixed-topic-grid{gap:13px}.mixed-topic-grid label{padding:10px 12px;line-height:1.5;border-radius:9px;background:var(--surface-soft);font-size:14px}.mixed-topic-grid input,.mixed-level input{accent-color:var(--teal)}.mixed-builder .sectionhead h2{font-size:21px}.mixed-builder .sectionhead .btn{font-size:12px;padding:7px 10px}.mixed-builder .mixed-count select{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.review-controls{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:12px}.review-controls>span{font-size:12px;color:var(--muted)}.testimonial{overflow:hidden}.review-enter>div{animation:review-reveal .6s cubic-bezier(.2,.7,.3,1) both}@keyframes review-reveal{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
:root[data-theme=sunrise] .exam-number-tile{background:linear-gradient(140deg,#8051b1,#4b2a74)}:root[data-theme=night] .exam-number-tile{background:linear-gradient(140deg,#7972eb,#43447f)}:root[data-theme=night] .mixed-domain{background:var(--surface)}:root[data-theme=night] .mixed-domain-body label,:root[data-theme=night] .mixed-level{background:var(--surface-soft);color:var(--ink)}:root[data-theme=night] .filter{background:var(--surface);color:var(--ink);border-color:var(--line)}:root[data-theme=night] .filter.active{background:#a8e8df;color:#102c39}:root[data-theme=night] .practice-domain-card,:root[data-theme=night] .algebra-question,:root[data-theme=night] .algebra-domain{background:var(--surface)}:root[data-theme=night] :is(.algebra-question,.mixed-builder,.editor-form) input:not([type=radio]):not([type=checkbox]),:root[data-theme=night] :is(.algebra-question,.mixed-builder,.editor-form) select{background:var(--surface-soft);color:var(--ink);border-color:#71869a}:root[data-theme=night] .algebra-status.waiting{background:#38365c;color:#dfd5ff}:root[data-theme=night] .algebra-status.underway{background:#513d29;color:#ffd894}:root[data-theme=night] .algebra-level.first,:root[data-theme=night] .algebra-feedback.first{background:#1d493f;color:#aaf2d0}:root[data-theme=night] .algebra-level.retry,:root[data-theme=night] .algebra-feedback.retry{background:#513d29;color:#ffe1aa}:root[data-theme=night] .algebra-level.review,:root[data-theme=night] .algebra-feedback.review{background:#522f3e;color:#ffd7e1}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px}.theme-options{grid-template-columns:repeat(3,minmax(0,1fr))}.theme-swatch strong{font-size:15px}.preferences-dialog{max-width:660px}
@media(min-width:1800px){.hero h2{font-size:36px}.hero-copy{padding:30px 34px}.hero p{font-size:16px}.page-heading h1{font-size:36px}}
@media(max-width:1150px) and (min-width:801px){:root{--nav:188px}.sidebar{padding:15px 10px}.sidebar .brand{font-size:19px}.sidebar .navlink{padding:10px 11px;font-size:13px}.topbar{padding:10px 19px}.breadcrumb{max-width:110px}.top-actions .account-role{display:none}.video-grid:not(.shorts-grid){grid-template-columns:repeat(2,minmax(0,1fr))}.content{padding:22px}.hero-copy{padding:23px}.hero h2{font-size:27px}.hero p{font-size:15px}.hero-buttons{gap:12px}.hero-buttons .btn{padding:10px 12px}.hero-buttons .textlink{font-size:13px}.practice-domain-card{column-gap:17px;padding:20px}.practice-domain-card>.textlink{grid-column:2;grid-row:4}.practice-domain-card .domain-art{grid-row:1/5}.exam-list-row{padding:22px;gap:17px}}
@media(max-width:800px){.sidebar{position:sticky;width:100%;padding:0;overflow:visible}.sidebar nav{gap:3px;padding:6px 9px}.sidebar .navlink{font-size:12px;padding:9px 11px;white-space:nowrap;min-height:40px}.sidebar .navlink>span{overflow-wrap:normal}.sidebar .navlink .icon{width:17px;height:17px}.topbar{flex-wrap:wrap;padding:10px 16px}.top-actions{gap:5px;flex-wrap:wrap}.top-actions .btn{padding:7px 9px;font-size:11px}.top-actions .account-role{display:none}.mobile-brand{font-size:18px}.mobile-brand .brand-art{width:36px;height:36px;flex-basis:36px}.content{padding:20px 17px}.hero{grid-template-columns:1fr}.hero-copy{padding:25px}.hero h2{font-size:29px}.hero-art{height:160px}.hero-art img{max-height:155px;width:auto;max-width:100%}.dashboard-grid .resource-tile{min-height:165px}.page-heading h1{font-size:28px}.practice-domain-card{grid-template-columns:58px minmax(0,1fr);padding:20px;column-gap:17px}.practice-domain-card .domain-art{width:58px;height:58px;grid-row:1/5}.practice-domain-card h2{font-size:22px}.practice-domain-card>.textlink{grid-column:2;grid-row:4}.practice-domain-card p{font-size:14px}.quiz-builder-banner{padding:22px;align-items:flex-start}.quiz-builder-banner h2{font-size:25px}.exam-list-row{padding:20px;gap:16px;flex-wrap:wrap}.exam-list-copy{flex-basis:calc(100% - 90px)}.exam-number-tile{flex-basis:66px;height:75px}.exam-list-row>.btn{margin-left:82px}.exam-list-copy h2{font-size:22px}.exam-row-meta{gap:10px;font-size:12px}.exam-intro{padding:23px}.mixed-builder{padding:18px}.mixed-domain>summary{padding:14px 12px;font-size:14px;gap:9px}.mixed-domain-count{font-size:11px}.mixed-domain-icon{width:30px;height:32px}.video-grid:not(.shorts-grid){grid-template-columns:repeat(2,minmax(0,1fr))}.theme-options{grid-template-columns:1fr}.theme-preview{height:35px!important}}
@media(max-width:450px){.hero h2{font-size:27px}.hero-art{height:140px}.hero p{font-size:15px}.hero-buttons{gap:15px}.hero-buttons .textlink{font-size:13px}.practice-domain-card{grid-template-columns:45px minmax(0,1fr);gap:8px 13px}.practice-domain-card .domain-art{width:45px;height:45px}.practice-domain-card h2{font-size:20px}.mixed-domain-count{max-width:64px;white-space:normal;text-align:right}.video-grid:not(.shorts-grid){grid-template-columns:1fr}.exam-list-row>.btn{margin-left:0;width:100%}.exam-row-meta{gap:8px}.exam-number-tile{flex-basis:60px}.exam-list-copy{flex-basis:calc(100% - 80px)}}
@media(prefers-reduced-motion:reduce){.review-enter>div{animation:none}.theme-swatch{transition:none}}

.algebra-graph text{fill:currentColor}.exam-workspace{--teal:#1759bd}.exam-workspace .algebra-graph{max-width:360px;margin:10px auto}.exam-workspace .algebra-graph svg{max-height:220px}.guide-bonus{border-top:1px solid var(--line);padding-top:19px}

.top-actions{padding:0}.top-actions>a[href="#/account"]{margin-right:0}.brand-symbol.brand-art{min-width:50px;width:50px;height:50px}@media(max-width:800px){:root{--nav:0px}.shell{margin-left:0}.mobile-brand .brand-symbol.brand-art{min-width:36px;width:36px;height:36px}.top-actions{padding:0}}

.mixed-topic-grid label{margin:0}.mixed-domain-body>.row{margin-top:0}.mixed-builder>h2{font-size:21px}

.reference-sheet-top{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;align-items:end}.reference-sheet-top .reference-special{grid-column:span 2}.reference-sheet-bottom{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;margin-top:26px;align-items:end}.reference-sheet article{text-align:center;font-family:Georgia,serif;min-width:0}.reference-sheet svg{display:block;width:100%;height:105px}.reference-sheet article p{font-size:17px;margin:9px 0 0;min-height:48px;line-height:1.7}.reference-sheet-top .reference-special p{font-size:16px}.reference-sheet-notes{font-size:14px;line-height:1.8;margin-top:18px}.reference-sheet h2{font-family:Arial,sans-serif;font-size:18px;letter-spacing:.08em;margin:0 0 22px}.reference-sheet .math-run{overflow:visible;vertical-align:middle}@media(max-width:650px){.reference-sheet-top{grid-template-columns:repeat(2,minmax(0,1fr))}.reference-sheet-bottom{grid-template-columns:repeat(2,minmax(0,1fr))}.reference-sheet-top .reference-special{grid-column:span 2}.reference-sheet article p{min-height:34px}}

/* Keep hover distinct from both the sidebar and the current-page marker. */
:root{--nav-hover-bg:#c1e7e8;--nav-hover-ink:#064d56}:root[data-theme=sunrise]{--nav-hover-bg:#dfcef2;--nav-hover-ink:#4b236c}:root[data-theme=night]{--nav-hover-bg:#35566f;--nav-hover-ink:#f5fffe}
:root .sidebar .navlink:hover,:root .sidebar .navlink:focus-visible{background:var(--nav-hover-bg);color:var(--nav-hover-ink);box-shadow:inset 3px 0 0 var(--teal)}

/* Compact private learning summary. */
.learning-dashboard{margin:24px 0}.learning-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,1fr);gap:30px}.learning-grid h3{font-size:17px}.learning-grid>.sectionhead{margin-top:0}.learning-signal{font-size:13px;color:var(--muted);margin:10px 0 18px}.learning-domain{display:grid;grid-template-columns:minmax(125px,1fr) minmax(80px,1.5fr) 32px;align-items:center;gap:8px 12px;margin:15px 0}.learning-domain>span{font-size:13px;font-weight:650;line-height:1.35}.learning-domain>strong{font-size:13px;text-align:right}.learning-domain>small{grid-column:2/4;font-size:11px;color:var(--muted)}.learning-track{height:15px;border-radius:4px;overflow:hidden;background:var(--surface-soft);position:relative;border:1px solid var(--line)}.learning-track i{display:block;height:100%;background:var(--teal);border-radius:3px}.learning-track:after{content:'';position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0,transparent calc(100% / 7 - 2px),var(--surface) calc(100% / 7 - 2px),var(--surface) calc(100% / 7))}.learning-grid section>.sectionhead{margin:0 0 12px}.learning-recent-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 0;border-bottom:1px solid var(--line)}.learning-recent-row span{display:grid;gap:5px;min-width:0}.learning-recent-row b{font-size:13px}.learning-recent-row small{font-size:11px;color:var(--muted)}.learning-recent-row>strong{font-size:23px;white-space:nowrap}.learning-recent-row>strong small{font-size:12px;font-weight:500;margin-left:3px}.learning-legacy-scores{margin:20px 0}.learning-legacy-scores summary{cursor:pointer;font-size:14px;font-weight:700}.learning-legacy-row{padding:12px 0;display:flex;gap:15px;justify-content:space-between;border-bottom:1px solid var(--line);font-size:13px}.learning-profile{margin-top:24px}.learning-profile>summary{font-weight:700;cursor:pointer}.learning-profile form{max-width:480px}@media(max-width:1000px){.learning-grid{grid-template-columns:1fr;gap:24px}}@media(max-width:500px){.learning-domain{grid-template-columns:minmax(100px,1fr) minmax(75px,1.1fr) 30px;gap:7px}.learning-dashboard{padding:17px}}