/* COGO problem studio r1 — scoped, responsive, print-safe. */
#main.ps-main{padding:22px 26px 10px!important;display:flex;flex-direction:column;gap:10px;overflow-y:auto!important;min-height:0;background:#f2f5f5}
.ps-studio,.ps-dialog{--ps-ink:#182e36;--ps-muted:#62777e;--ps-line:#dce5e6;--ps-soft:#f3f7f6;--ps-surface:#fff;--ps-accent:#186c60;--ps-tint:#e6f3ed;color:var(--ps-ink);font-family:inherit;letter-spacing:-.02em}
.ps-studio{display:flex;flex-direction:column;gap:20px;flex:1;min-height:570px;height:0;width:100%;max-width:1700px;margin:0 auto}
.ps-studio *,.ps-dialog *{box-sizing:border-box}.ps-studio button,.ps-dialog button{font-family:inherit;cursor:pointer;letter-spacing:inherit}.ps-studio button:disabled,.ps-dialog button:disabled{cursor:default;opacity:.42}.ps-studio [hidden],.ps-dialog [hidden]{display:none!important}.ps-studio :focus-visible,.ps-dialog :focus-visible{outline:3px solid #70b6a5;outline-offset:3px}
.ps-header{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-shrink:0}.ps-brand{display:flex;align-items:center;gap:16px}.ps-mark{display:grid;place-items:center;width:52px;height:58px;border-radius:15px;background:var(--ps-ink);color:#bfe6d7;box-shadow:0 5px 14px #183d3614}.ps-mark svg{width:27px;height:27px;fill:none;stroke:currentColor;stroke-width:1.4}.ps-eyebrow{display:block;font-size:10px;font-weight:750;letter-spacing:1.8px;color:var(--ps-accent);margin-bottom:7px}.ps-header h1{font-size:27px;line-height:1.15;letter-spacing:-1px;margin:0;font-weight:780}.ps-header p{font-size:12px;margin:7px 0 0;color:var(--ps-muted)}.ps-header-note{font-size:11px;font-weight:650;color:var(--ps-muted);white-space:nowrap}.ps-header-note i{font-style:normal;margin:0 9px;opacity:.5}
.ps-workspace{display:grid;grid-template-columns:286px minmax(0,1fr);gap:18px;flex:1;min-height:0}.ps-filter,.ps-preview{background:var(--ps-surface);border:1px solid var(--ps-line);border-radius:18px;box-shadow:0 4px 18px #173b3104;display:flex;flex-direction:column;min-height:0;min-width:0;overflow:hidden}.ps-panel-title{display:flex;align-items:center;gap:11px;padding:20px 20px 16px;flex-shrink:0}.ps-panel-title h2{font-size:16px;margin:0;font-weight:750;line-height:1.3}.ps-panel-title p{font-size:11px;margin:4px 0 0;color:var(--ps-muted)}.ps-step{align-self:flex-start;display:grid;place-items:center;background:var(--ps-soft);border:1px solid var(--ps-line);color:var(--ps-accent);width:28px;height:28px;font-size:10px;font-weight:800;border-radius:8px;flex-shrink:0}.ps-panel-title>.ps-quiet{margin-left:auto;font-size:10px}.ps-filter-scroll{overflow-y:auto;min-height:0;flex:1;padding:0 20px 20px;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:#bbcfc9 transparent}.ps-subjects{display:flex;flex-wrap:wrap;gap:5px;margin:0 0 20px;padding:0;border:0}.ps-subjects legend,.ps-label{font-size:11px;font-weight:700}.ps-subjects legend{margin-bottom:9px}.ps-subjects button{padding:8px 11px;border:1px solid var(--ps-line);border-radius:8px;background:var(--ps-surface);font-size:12px;color:var(--ps-muted)}.ps-subjects button[aria-pressed=true]{background:var(--ps-ink);border-color:var(--ps-ink);color:var(--ps-surface)}.ps-label{display:flex;flex-direction:column;gap:8px;margin:0 0 16px}.ps-studio select,.ps-studio input:not([type=checkbox]),.ps-dialog select,.ps-dialog input{border:1px solid var(--ps-line);border-radius:9px;min-height:39px;padding:9px 11px;color:var(--ps-ink);background:var(--ps-surface);font:inherit;font-size:12px;width:100%;min-width:0}.ps-extra{display:grid;grid-template-columns:1fr;gap:0}.ps-unit-heading{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--ps-line);padding-top:17px;margin:4px 0 8px}.ps-unit-heading h3{margin:0;font-size:12px}.ps-unit-heading span{font-size:10px;color:var(--ps-accent)}.ps-units{margin-bottom:22px}.ps-unit{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.5;padding:10px 9px;margin:2px -5px;border-radius:8px;cursor:pointer;color:var(--ps-muted)}.ps-unit input{accent-color:var(--ps-accent);width:15px;height:15px;flex-shrink:0;margin:2px 0 0}.ps-unit small{margin-left:auto;font-size:10px;line-height:19px;color:var(--ps-muted)}.ps-unit.is-selected{color:var(--ps-accent);background:var(--ps-tint);font-weight:700}.ps-help{color:var(--ps-muted);font-size:11px;line-height:1.8;margin:4px 0}.ps-filter-bottom{font-size:10px;display:flex;align-items:center;gap:7px;padding:13px 20px;border-top:1px solid var(--ps-line);color:var(--ps-muted);flex-shrink:0}.ps-dot{width:5px;height:5px;border-radius:50%;background:#4b9985}
.ps-preview-top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-right:22px;flex-shrink:0}.ps-preview-top .ps-panel-title{padding-bottom:20px}.ps-title-label{display:flex;flex-direction:column;gap:5px;width:40%;max-width:280px;margin:12px 0}.ps-title-label>span{font-size:10px;color:var(--ps-muted)}.ps-title-label input{font-weight:600;min-height:34px!important;background:var(--ps-soft)!important}.ps-tools{display:flex;align-items:center;gap:20px;border-top:1px solid var(--ps-line);border-bottom:1px solid var(--ps-line);padding:0 22px;min-height:57px;flex-shrink:0}.ps-tabs{display:flex;gap:18px;align-self:stretch}.ps-tabs button{position:relative;border:0;background:transparent;color:var(--ps-muted);white-space:nowrap;font-size:12px;padding:17px 0}.ps-tabs button[aria-selected=true]{font-weight:750;color:var(--ps-accent)}.ps-tabs button[aria-selected=true]:after{content:'';position:absolute;height:2px;background:var(--ps-accent);bottom:-1px;left:0;right:0}.ps-tabs b{font-size:10px;border-radius:5px;padding:2px 5px;margin-left:3px;background:var(--ps-tint);color:var(--ps-accent)}.ps-search{display:flex;position:relative;align-items:center;margin:0 0 0 auto;flex:1;max-width:340px}.ps-search input{border:0!important;background:var(--ps-soft)!important;padding-right:39px!important;min-height:34px!important;font-size:11px!important}.ps-search button{position:absolute;right:5px;top:3px;bottom:3px;width:30px;border:0;background:none;color:var(--ps-muted)}.ps-search svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7}.ps-list-meta{display:flex;justify-content:space-between;align-items:center;padding:10px 22px;min-height:39px;gap:12px;font-size:10px;color:var(--ps-muted);flex-shrink:0}.ps-list-meta>div{display:flex;gap:14px}.ps-quiet{background:none;border:0;color:var(--ps-muted);padding:4px 0;font-size:11px}.ps-quiet:hover{color:var(--ps-accent)}.ps-list{overflow-y:scroll;overflow-x:hidden;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:#b8cbc6 transparent;min-height:0;flex:1;background:var(--ps-soft);padding:20px 24px;overscroll-behavior:contain}.ps-question{background:var(--ps-surface);border:1px solid var(--ps-line);border-radius:13px;margin:0 auto 16px;max-width:960px;transition:border-color .18s}.ps-question.is-picked{border-color:#88b9a9;box-shadow:0 0 0 1px #88b9a922}.ps-question>header{padding:20px 22px 15px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.ps-question>header>div:first-child{display:flex;gap:14px;min-width:0}.ps-number{font-size:22px;letter-spacing:-1px;font-weight:750;line-height:1.25;color:var(--ps-accent)}.ps-question-meta{display:flex;gap:6px 11px;flex-wrap:wrap;font-size:10px;color:var(--ps-muted);margin:0 0 6px}.ps-question h3{margin:0;line-height:1.6;font-size:13px;font-weight:650;overflow-wrap:anywhere}.ps-card-actions{display:flex;align-items:center;gap:5px;flex-shrink:0}.ps-pick,.ps-picked{border:1px solid var(--ps-line);border-radius:7px;padding:7px 11px;background:var(--ps-surface);font-size:11px;white-space:nowrap;color:var(--ps-muted)}.ps-picked{background:var(--ps-tint);border-color:#afd4c7;color:var(--ps-accent)}.ps-icon{border:1px solid var(--ps-line);background:var(--ps-surface);color:var(--ps-muted);border-radius:7px;width:27px;height:29px;font-size:15px;display:inline-grid;place-items:center}.ps-question-body{padding:0 22px 22px;line-height:1.9;font-size:14px;overflow-wrap:anywhere}.ps-question-text{white-space:pre-wrap;margin-bottom:13px}.ps-passage{white-space:pre-wrap;background:var(--ps-soft);border:1px solid var(--ps-line);border-radius:6px;padding:15px;margin-bottom:16px;font-size:13px;line-height:1.9}.ps-options{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:8px}.ps-options li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;font-size:13px}.ps-options li>span{font-size:10px;flex-shrink:0;width:20px;height:20px;line-height:18px;border:1px solid var(--ps-line);border-radius:50%;text-align:center;color:var(--ps-muted);margin-top:2px}.ps-options li>div{min-width:0}.ps-answer-space{font-size:12px;color:var(--ps-muted);margin-top:20px}.ps-answer-space span{display:inline-block;width:60%;border-bottom:1px solid var(--ps-line);height:30px;vertical-align:bottom}.ps-question>footer{padding:10px 22px;border-top:1px dashed var(--ps-line);font-size:9px;color:var(--ps-muted);display:flex;justify-content:space-between;gap:10px;overflow-wrap:anywhere}.ps-question .rich292{white-space:normal;color:inherit}.ps-question .rich292 p{margin:0 0 10px}.ps-question .rich292 svg{max-width:100%;height:auto}.ps-question .rich292 table{max-width:100%;border-collapse:collapse}.ps-question .rich292 math{font-family:math;max-width:100%}.ps-question .rich292 td,.ps-question .rich292 th{overflow-wrap:anywhere}.ps-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 22px;border-top:1px solid var(--ps-line);flex-shrink:0;box-shadow:0 -3px 14px #123c3005}.ps-bottom>div:first-child{display:flex;gap:15px;align-items:center}.ps-bottom strong{font-size:22px;color:var(--ps-accent);font-weight:750}.ps-bottom strong small{font-size:12px;color:var(--ps-muted);font-weight:400}.ps-bottom>div>span{font-size:11px;color:var(--ps-muted)}.ps-bottom-actions{display:flex;gap:9px}.ps-primary,.ps-secondary{padding:12px 17px;border-radius:9px;font-size:12px;font-weight:700;display:inline-flex;justify-content:center;align-items:center;gap:18px;border:1px solid var(--ps-ink);white-space:nowrap}.ps-primary{color:var(--ps-surface);background:var(--ps-ink)}.ps-secondary{color:var(--ps-ink);border-color:var(--ps-line);background:var(--ps-surface)}.ps-primary:hover{filter:brightness(1.13)}.ps-empty{padding:48px 20px;text-align:center;color:var(--ps-muted);max-width:540px;margin:auto}.ps-empty>span{display:inline-grid;width:52px;height:58px;place-items:center;border:1px solid var(--ps-line);border-radius:12px;background:var(--ps-surface)}.ps-empty svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.4}.ps-empty h3{font-size:17px;color:var(--ps-ink);margin:20px 0 8px}.ps-empty p{font-size:12px;line-height:1.8;margin-bottom:20px}.ps-more{display:block;border:1px solid var(--ps-line);background:var(--ps-surface);color:var(--ps-accent);padding:12px 24px;border-radius:10px;margin:20px auto;font-size:12px}.ps-loading{text-align:center;font-size:12px;color:var(--ps-muted);padding:28px}
.ps-dialog{width:min(480px,calc(100vw - 30px));max-height:calc(100dvh - 30px);padding:26px;border:1px solid var(--ps-line);border-radius:18px;background:var(--ps-surface);box-shadow:0 25px 100px #152c3540;overflow:auto}.ps-dialog::backdrop{background:#132c4266;backdrop-filter:blur(3px)}.ps-dialog>header{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:24px}.ps-dialog h2{font-size:21px;line-height:1.4;margin:0}.ps-dialog-form{display:flex;flex-direction:column}.ps-dialog-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.ps-dialog p{font-size:12px;line-height:1.8}.ps-export-note{padding:18px;background:var(--ps-soft);border:1px solid var(--ps-line);border-radius:10px;margin-bottom:14px}.ps-export-note b{font-size:13px;overflow-wrap:anywhere}.ps-export-note p{color:var(--ps-muted);margin:8px 0 0}.ps-dialog [role=alert]{color:#bd453c}.ps-dialog [role=alert]:empty{display:none}
html[data-theme=dark] #main.ps-main{background:#121e25}html[data-theme=dark] .ps-studio,html[data-theme=dark] .ps-dialog{--ps-ink:#e3eeed;--ps-muted:#a3b7bc;--ps-line:#354a52;--ps-soft:#192b33;--ps-surface:#21343d;--ps-accent:#8fd7bc;--ps-tint:#284c47}html[data-theme=dark] .ps-mark{background:#34534d;color:#b4ead4}html[data-theme=dark] .ps-primary{background:#a8d9c9;color:#163830;border-color:#a8d9c9}
@media(min-width:1450px){.ps-workspace{grid-template-columns:310px minmax(0,1fr);gap:22px}.ps-filter-scroll{padding:0 24px 24px}.ps-panel-title{padding:22px 24px 20px}.ps-list{padding:24px 38px}.ps-header h1{font-size:29px}}
@media(max-width:1150px){#main.ps-main{padding:18px 18px 8px!important}.ps-workspace{grid-template-columns:245px minmax(0,1fr);gap:12px}.ps-header-note{display:none}.ps-preview-top{align-items:flex-start;flex-direction:column;padding:0 18px 14px;gap:0}.ps-preview-top .ps-panel-title{padding:17px 0 10px}.ps-title-label{margin:0;width:100%;max-width:none;flex-direction:row;align-items:center;gap:14px}.ps-title-label>span{white-space:nowrap}.ps-list{padding:14px}.ps-tools{padding:0 16px;gap:14px}.ps-tabs{gap:12px}.ps-bottom{padding:13px 15px}.ps-bottom>div:first-child>span{display:none}.ps-bottom-actions{gap:6px}.ps-primary,.ps-secondary{padding:11px 12px;gap:8px}.ps-list-meta{padding:8px 16px;align-items:flex-start}.ps-list-meta>div{gap:8px}.ps-question>header{padding:16px}.ps-question-body{padding:0 16px 18px}}
@media(max-width:780px){#main.ps-main{padding:15px 12px!important}.ps-studio{height:auto;min-height:0;gap:17px;flex:none}.ps-header h1{font-size:23px}.ps-header p{font-size:11px;line-height:1.7}.ps-mark{width:43px;height:49px;flex-shrink:0}.ps-brand{gap:11px}.ps-eyebrow{font-size:8px}.ps-workspace{display:flex;flex-direction:column;gap:14px}.ps-filter{max-height:310px;min-height:270px}.ps-filter .ps-panel-title{padding:15px 17px 12px}.ps-filter-scroll{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;padding:0 17px 16px}.ps-subjects{grid-column:1/-1;margin-bottom:4px}.ps-subjects button{flex:1}.ps-subjects legend{margin-bottom:6px}.ps-label{margin-bottom:0}.ps-extra{display:contents}.ps-unit-heading,.ps-units{grid-column:1/-1}.ps-unit-heading{margin:0;padding-top:12px}.ps-units{margin:0}.ps-filter-scroll>.ps-help{grid-column:1/-1}.ps-filter-bottom{padding:9px 17px}.ps-preview{height:720px;max-height:calc(100dvh - 70px);min-height:520px}.ps-tools{flex-wrap:wrap;gap:0;padding:0 14px 10px}.ps-tabs{height:45px;width:100%;gap:23px}.ps-search{max-width:none;width:100%;margin:5px 0 0}.ps-list-meta{font-size:9px;gap:8px;flex-wrap:wrap;padding:8px 14px}.ps-list-meta .ps-quiet{font-size:10px}.ps-list{padding:12px 9px}.ps-question>header{padding:14px 12px;gap:8px}.ps-question>header>div:first-child{gap:9px}.ps-question-meta{font-size:9px;gap:6px}.ps-number{font-size:19px}.ps-question h3{font-size:12px}.ps-question-body{padding:0 12px 16px;font-size:13px}.ps-card-actions{gap:3px}.ps-pick,.ps-picked{font-size:10px;padding:6px}.ps-icon{width:24px;height:26px}.ps-question>footer{padding:9px 12px}.ps-bottom{padding:12px;gap:8px;flex-wrap:wrap}.ps-bottom strong{font-size:18px}.ps-bottom-actions{margin-left:auto}.ps-bottom strong small{font-size:10px}.ps-primary,.ps-secondary{font-size:11px;padding:10px}.ps-preview-top{padding:0 14px 12px}.ps-panel-title p{font-size:10px}.ps-title-label input{font-size:11px!important}}
@media(max-width:380px){.ps-bottom-actions{width:100%;margin:0}.ps-bottom-actions button{flex:1}.ps-preview{min-height:580px}.ps-question>header{flex-wrap:wrap}.ps-card-actions{margin-left:auto}.ps-dialog{padding:21px}.ps-dialog h2{font-size:19px}}
@media(prefers-reduced-motion:reduce){.ps-studio *{transition:none!important;scroll-behavior:auto!important}}

html body #main.content.ps-main.cogo-footer-flow-r1{display:flex!important;flex-direction:column!important;gap:10px!important}
.sidebar [data-ps-nav] svg{width:18px!important;height:18px!important;flex:0 0 18px!important}

.ps-studio .ps-unit input[type=checkbox]{min-height:15px!important;height:15px!important;max-height:15px!important;padding:0!important;margin:2px 0 0!important;align-self:flex-start}

/* Stable loading state uses the user's theme and motion preferences. */
.wb-pending-r3{max-width:1440px;width:100%;margin:0 auto;padding:24px 16px;box-sizing:border-box}.wb-pending-r3 header small{font-size:11px;letter-spacing:2px;color:var(--muted,#64748b)}.wb-pending-r3 h1{font-size:24px;margin:8px 0 24px}.wb-state-r3{display:grid;justify-items:center;align-content:center;gap:12px;min-height:260px;border:1px solid var(--line,#dce3eb);border-radius:18px;padding:28px;text-align:center;box-sizing:border-box}.wb-state-r3 h2{font-size:17px;margin:0}.wb-state-r3 p{color:var(--muted,#64748b);font-size:14px;line-height:1.7;margin:0}.wb-loader-r3{width:28px;height:28px;border:3px solid #cbd5e1;border-top-color:#39766b;border-radius:50%;animation:wb-turn-r3 1s linear infinite}@keyframes wb-turn-r3{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.wb-loader-r3{animation:none}}