.algebra-page{max-width:1260px;margin:auto}.algebra-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:10px 0 28px}.algebra-heading h1{font-size:42px;letter-spacing:-1.6px;margin:0}.algebra-heading p{margin:6px 0 0;color:var(--muted)}.algebra-heading .tile-icon{margin:0;flex-shrink:0}.algebra-stats{display:flex;gap:12px}.algebra-stats>div{padding:15px 20px;border:1px solid var(--line);border-radius:16px;min-width:110px;background:var(--paper)}.algebra-stats strong{font-size:25px;display:block}.algebra-stats span{font-size:11px;text-transform:uppercase;letter-spacing:1px}.algebra-banner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:28px;border:1px solid var(--line);border-radius:22px;background:color-mix(in srgb,var(--teal) 13%,var(--paper));margin-bottom:25px}.algebra-banner h2{font-size:23px;margin:14px 0 8px}.algebra-banner p{max-width:760px;line-height:1.7;margin:0;color:var(--muted)}.algebra-banner .btn{white-space:nowrap;flex-shrink:0}.algebra-toolbar{display:flex;align-items:center;gap:20px;margin:24px 0}.algebra-toolbar>a{margin-left:auto}.algebra-tab{display:inline-flex;gap:16px;align-items:center;border-radius:30px;padding:12px 28px;background:var(--ink);color:var(--paper);font-weight:700}.algebra-tab b{border-radius:20px;padding:3px 9px;background:color-mix(in srgb,var(--paper) 18%,transparent)}.algebra-domain{padding:0;overflow:hidden}.algebra-domain>header{display:flex;align-items:center;justify-content:space-between;padding:25px 28px;border-bottom:1px solid var(--line)}.algebra-domain .tile-icon{margin:0}.algebra-domain h2{font-size:23px;margin:0 0 7px}.algebra-domain header p{margin:0;font-size:13px;color:var(--muted)}.algebra-ring{display:grid;place-items:center;width:60px;height:60px;border:6px solid color-mix(in srgb,var(--teal) 35%,var(--line));border-radius:50%;font-weight:800}.algebra-topic{padding:24px 28px;border-bottom:1px solid var(--line)}.algebra-topic:last-child{border-bottom:0}.algebra-topic h3{font-size:17px;margin:0 0 7px}.algebra-topic p{font-size:12px;margin:0;color:var(--muted)}.algebra-status{font-size:11px;border-radius:20px;padding:6px 18px;background:color-mix(in srgb,var(--teal) 15%,transparent);white-space:nowrap}.algebra-status.underway{background:color-mix(in srgb,#e89020 18%,transparent);color:#94560b}.algebra-status.mastered{background:color-mix(in srgb,#149866 15%,transparent);color:#168158}.algebra-levels{display:flex;gap:10px;margin-top:18px}.algebra-level{display:flex;align-items:center;justify-content:center;gap:15px;padding:13px 18px;min-width:140px;border:1px solid var(--line);border-radius:11px;font-size:13px;background:var(--paper)}.algebra-level span{font-size:11px;color:var(--muted)}.algebra-level:hover,.algebra-level:focus-visible{outline:2px solid var(--teal);outline-offset:2px}.algebra-level.mastered{border-color:#149866;background:color-mix(in srgb,#149866 9%,var(--paper))}.algebra-level.recovered{border-color:#d88a21;background:color-mix(in srgb,#e89020 9%,var(--paper))}.algebra-level.underway{border-color:var(--teal)}.algebra-legend{display:flex;flex-wrap:wrap;gap:25px;font-size:12px;margin:23px 0}.algebra-legend .first{color:#168158}.algebra-legend .retry{color:#986013}.algebra-legend .review{color:#b63e55}.algebra-save{display:flex;align-items:center;gap:15px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin:18px 0}.algebra-save .textlink{font-size:12px}.algebra-player-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:22px 0}.algebra-player-head h1{font-size:30px;line-height:1.4;margin:10px 0}.algebra-player-head p{color:var(--muted);font-size:13px}.algebra-type-dots{display:flex;gap:10px}.type-state{min-width:47px;height:42px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;font-weight:700;white-space:nowrap;padding:0 9px}.type-state.state-1{background:#dbf5e9;color:#176242;border-color:#2d9f71}.type-state.state-2,.type-state.state-3{background:#fff0d8;color:#815009;border-color:#d89025}.type-state.state-4{background:#ffe5eb;color:#99344b;border-color:#cc5471}.algebra-question{padding:30px}.algebra-question>h2{font-size:22px;font-weight:600;line-height:1.8;margin:25px 0}.algebra-question fieldset{border:0;margin:0 0 22px;padding:0;display:grid;gap:12px}.algebra-choice{display:flex;align-items:center;gap:15px;cursor:pointer;padding:16px;border:1px solid var(--line);border-radius:11px}.algebra-choice:has(input:checked){border:2px solid var(--teal);background:color-mix(in srgb,var(--teal) 8%,transparent)}.algebra-choice input{width:18px;height:18px;accent-color:var(--teal)}.algebra-choice>span{width:27px;height:27px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;font-size:12px}.algebra-choice b{font-size:18px}.algebra-feedback{padding:18px 22px;border-radius:12px;margin:20px 0}.algebra-feedback h3{margin:0 0 8px;font-size:18px}.algebra-feedback p{margin:0}.algebra-feedback.first{background:#dbf5e9;color:#175d3f}.algebra-feedback.retry{background:#fff0d8;color:#80500b}.algebra-feedback.review{background:#ffe8ed;color:#8f3046}.algebra-explanation{margin:24px 0}.algebra-explanation li{line-height:1.8;margin:10px 0}.algebra-retry-note{padding:12px 15px;border-left:3px solid #db912b;background:color-mix(in srgb,#db912b 10%,transparent);line-height:1.6}.algebra-calculator{margin:24px 0;padding:20px}.algebra-calculator iframe{width:100%;height:550px;border:0;margin:15px 0}.algebra-finished{text-align:center;padding:40px 28px}.algebra-finished .tile-icon{margin:0 auto 20px}.algebra-finished .row{justify-content:center;flex-wrap:wrap}.algebra-finished p{line-height:1.8}.algebra-player .desmos-lines code{font-size:15px}.algebra-player .desmos-lines button{font-size:12px}
[data-theme="night"] .algebra-status.underway,[data-theme="night"] .algebra-legend .retry{color:#ffc46b}[data-theme="night"] .algebra-status.mastered,[data-theme="night"] .algebra-legend .first{color:#7fdbb0}[data-theme="night"] .algebra-legend .review{color:#ffa5b8}
@media(max-width:800px){.algebra-heading{align-items:flex-start;flex-direction:column}.algebra-heading h1{font-size:34px}.algebra-stats{width:100%}.algebra-stats>div{flex:1;min-width:0;padding:13px}.algebra-banner{align-items:flex-start;flex-direction:column;padding:22px}.algebra-toolbar{gap:12px;flex-wrap:wrap}.algebra-toolbar>a{margin-left:0}.algebra-topic,.algebra-domain>header{padding:21px}.algebra-topic>.row{align-items:flex-start;gap:15px}.algebra-levels{gap:8px}.algebra-level{min-width:0;flex:1;padding:12px 7px;gap:8px;font-size:12px}.algebra-status{padding:5px 10px}.algebra-player-head{align-items:flex-start;flex-direction:column}.algebra-player-head h1{font-size:25px}.algebra-question{padding:20px}.algebra-question>h2{font-size:19px}.algebra-calculator iframe{height:440px}.algebra-ring{width:50px;height:50px;font-size:12px}}

.algebra-level.review{border-color:#c44d68;background:color-mix(in srgb,#c44d68 9%,var(--paper))}.algebra-saved-review{padding:16px 0;border-bottom:1px solid var(--line)}.algebra-saved-review:last-child{border:0}.algebra-saved-review summary{cursor:pointer;font-weight:700}.algebra-saved-review h3{margin:20px 0 10px;font-size:17px}.algebra-saved-review li{line-height:1.8}

/* Compact topic rows: larger titles and difficulty choices to their right. */
.algebra-topic{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding:20px 26px}.algebra-topic-info{display:flex;align-items:center;gap:16px;justify-content:space-between;min-width:0}.algebra-topic h3{font-size:19px;line-height:1.35;margin-bottom:6px;letter-spacing:-.45px}.algebra-topic p{font-size:12px}.algebra-levels{margin:0;gap:8px}.algebra-level{min-width:94px;padding:12px 10px;gap:9px}.algebra-type-dots{flex-wrap:wrap;justify-content:flex-end;max-width:420px;gap:5px}.type-state{min-width:30px;height:30px;padding:0 5px;font-size:11px}.algebra-player-head{align-items:flex-start}.algebra-topic .algebra-status{padding:5px 10px}
@media(max-width:1150px){.algebra-topic{gap:16px}.algebra-topic-info{display:block}.algebra-topic .algebra-status{display:inline-block;margin-top:8px}.algebra-level{min-width:80px;gap:6px}.algebra-topic h3{font-size:18px}}
@media(max-width:600px){.algebra-topic{grid-template-columns:1fr;gap:13px;padding:18px}.algebra-topic-info{display:flex;align-items:flex-start}.algebra-topic .algebra-status{margin:0}.algebra-levels{width:100%}.algebra-level{flex:1;min-width:0}.algebra-type-dots{justify-content:flex-start}.algebra-player-head h1{font-size:24px}}

.algebra-data{overflow:auto;margin:18px 0}.algebra-data table{border-collapse:collapse;min-width:260px;text-align:center}.algebra-data caption{text-align:left;font-size:12px;color:var(--muted);margin-bottom:8px}.algebra-data th,.algebra-data td{border:1px solid var(--line);padding:9px 18px}.algebra-data th{background:color-mix(in srgb,var(--teal) 8%,var(--paper))}.algebra-graph{max-width:440px;margin:18px 0}.algebra-graph svg{width:100%;font-size:12px}.algebra-graph figcaption{font-size:11px;color:var(--muted)}

.practice-domain-tabs{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.practice-domain-tabs .algebra-tab{padding:10px 18px;gap:10px}.practice-domain-tabs .btn{gap:10px}.practice-domain-tabs b{font-size:11px}

.practice-domain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:25px 0}.practice-domain-card{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:28px;min-height:250px}.practice-domain-card h2{font-size:24px;line-height:1.3}.practice-domain-card p{margin:0;color:var(--muted)}.practice-domain-card strong{font-size:13px}.practice-domain-card .textlink{margin-top:auto}.practice-domain-card:hover,.practice-domain-card:focus-visible{border-color:var(--teal);outline-offset:3px}@media(max-width:650px){.practice-domain-grid{grid-template-columns:1fr}.practice-domain-card{padding:22px;min-height:210px}}

.math-inline{font-family:"Cambria Math","STIX Two Math",serif;font-size:1.05em;vertical-align:middle;max-width:100%}.algebra-player-head{margin:14px 0;gap:14px}.algebra-player-head h1{font-size:24px;margin:6px 0}.algebra-player-head p{margin:5px 0;font-size:12px}.algebra-question{padding:20px 24px}.algebra-question>h2{font-size:19px;line-height:1.65;margin:18px 0}.algebra-question fieldset{gap:8px;margin-bottom:14px}.algebra-choice{padding:9px 12px;gap:10px;min-height:44px}.algebra-choice>span{width:24px;height:24px;font-size:12px}.algebra-choice>b{font-size:16px;font-weight:600}.algebra-choice input{width:16px;height:16px}.algebra-number-label{display:grid;gap:8px;font-size:14px;margin:12px 0}.algebra-number-label input{width:230px;max-width:100%;padding:11px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink)}.algebra-question .math-inline{line-height:1.5}.exam-prompt .math-inline,.exam-choice .math-inline{font-size:1.06em}@media(max-width:600px){.algebra-question{padding:17px}.algebra-question>h2{font-size:18px}.algebra-player-head h1{font-size:22px}}

.algebra-question form{margin:0}.algebra-question .algebra-choice{margin:0}.algebra-question .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Long equations scroll locally on small screens without widening the question. */
.math-run{display:inline-flex;align-items:center;max-width:100%;overflow-x:auto;overflow-y:hidden;vertical-align:middle;padding:4px 0}.math-run>.math-inline{flex:none;max-width:none}.algebra-choice>b{min-width:0;flex:1}.exam-choice label>span:last-child{min-width:0}.report-answer-option>span:nth-child(2){min-width:0}

.question-equations{display:grid;gap:7px;margin:14px 0 22px;padding:17px 22px;border-left:3px solid var(--teal);background:color-mix(in srgb,var(--teal) 4%,var(--paper));font-size:1.1em;font-weight:500}.question-equations>span{display:block;min-width:0}.question-prose{display:block}.practice-domain-grid{grid-template-columns:1fr;gap:18px}.practice-domain-card{position:relative;min-height:220px;padding:32px 260px 32px 34px;overflow:hidden;border-radius:22px;background:linear-gradient(110deg,var(--paper) 45%,color-mix(in srgb,var(--teal) 9%,var(--paper)));border-left:5px solid var(--teal)}.practice-domain-card h2{font-size:clamp(28px,2.5vw,38px);letter-spacing:-1px;margin:0}.practice-domain-card p{font-size:17px;max-width:620px}.practice-domain-card strong{font-size:15px}.practice-domain-card .tile-icon{display:none}.domain-art{position:absolute;right:28px;top:25px;width:200px;height:170px;opacity:.85;pointer-events:none}.practice-domain-card:nth-child(2){--teal:#6756ad}.practice-domain-card:nth-child(3){--teal:#b77b16}.practice-domain-card:nth-child(4){--teal:#3578a6}@media(max-width:700px){.practice-domain-card{padding:25px 22px;min-height:230px}.domain-art{width:120px;right:10px;top:10px;opacity:.12}.practice-domain-card h2{font-size:28px;position:relative}.practice-domain-card p{font-size:16px;position:relative}}

.practice-figure{display:flex;align-items:center;gap:24px;margin:18px 0;padding:18px;background:color-mix(in srgb,var(--teal) 3%,var(--paper));border:1px solid var(--line);border-radius:14px}.practice-figure svg{width:min(42%,360px);flex-shrink:0;color:#355365;font:15px system-ui}.practice-figure figcaption{font-size:14px;line-height:1.7}.practice-figure li{margin:3px 0}.practice-figure small{color:var(--muted)}.figure-derived{color:#2469b4;border-left:3px solid #2469b4;padding-left:12px;margin:10px 0}.figure-derived p{margin:5px 0}.figure-derived-line{stroke:#2469b4;stroke-dasharray:6 4}.figure-answer{font-size:15px}@media(max-width:650px){.practice-figure{flex-direction:column;align-items:stretch}.practice-figure svg{width:100%;max-width:320px;align-self:center}}

.mixed-builder{padding:28px;margin:24px 0}.mixed-builder fieldset{border:1px solid var(--line);border-radius:12px;padding:18px;margin:18px 0}.mixed-builder legend{font-size:19px;font-weight:700;padding:0 8px}.mixed-topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.mixed-topic-grid label,.mixed-level{display:flex;align-items:center;gap:9px;font-size:16px}.mixed-builder input{width:18px;height:18px;accent-color:var(--teal)}.mixed-count{display:flex;align-items:center;gap:16px;margin:22px 0;font-weight:700}.mixed-count select{font:inherit;padding:10px;border:1px solid var(--line);border-radius:8px}.difficulty-badge{font-size:13px;letter-spacing:1px;border-radius:20px;padding:7px 13px;background:#e2f1ef;color:#126e62}.difficulty-badge.medium{background:#fff1cb;color:#875810}.difficulty-badge.hard{background:#ede7fb;color:#674b9b}@media(max-width:650px){.mixed-topic-grid{grid-template-columns:1fr}.mixed-builder{padding:18px}}

.quiz-builder-banner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 32px;border-radius:22px;background:linear-gradient(120deg,var(--navy,#102d40),#176773);color:#fff;margin-bottom:28px}.quiz-builder-banner h2{font-size:clamp(25px,2vw,36px);margin:8px 0}.quiz-builder-banner p{margin:0;color:#e1f0f2}.quiz-builder-banner .eyebrow{color:#e3f486}@media(max-width:700px){.quiz-builder-banner{flex-direction:column;align-items:start;padding:24px}}