:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--gray-11,#111);background:var(--gray-ff,#fff);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--ink:var(--gray-11,#111);--muted:var(--gray-60,#606060);--surface:var(--gray-f4,#f4f4f4);--line:var(--gray-e6,#e6e6e6);--radius:18px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}
*{box-sizing:border-box}body{margin:0;background:var(--gray-ff,#fff);font-size:16px}html{scroll-padding-top:24px}button,input,textarea,select{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent}button{border:0;background:none;cursor:pointer}button:disabled{cursor:default;opacity:.3}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--gray-11,#111);outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.035em}h1{font-size:40px;font-weight:650;line-height:1.12}h2{font-size:23px;font-weight:650;line-height:1.25}h3{font-size:18px;font-weight:600;line-height:1.4}p{font-size:16px;line-height:1.65}strong{font-weight:600}svg{flex-shrink:0;vertical-align:middle}button svg{pointer-events:none}.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}.skip{position:fixed;left:20px;top:-100px;background:var(--gray-ff,#fff);padding:12px;z-index:200}.skip:focus{top:12px}.sidebar{position:fixed;inset:0 auto 0 0;width:220px;background:var(--gray-ff,#fff);border-right:1px solid var(--line);padding:29px 15px;display:flex;flex-direction:column;z-index:10}.wordmark{font-size:36px;letter-spacing:-2px;font-weight:750;text-decoration:none;line-height:1.2}.sidebar>.wordmark{padding-left:17px}.side-nav{display:grid;gap:8px;margin-top:52px}.nav-item{display:flex;align-items:center;gap:16px;text-align:left;border-radius:12px;padding:16px;min-height:55px;font-size:14px;font-weight:500;color:var(--muted);width:100%}.nav-item:hover{background:var(--gray-f7,#f7f7f7)}.nav-item.active{background:var(--gray-f0,#f0f0f0);color:var(--gray-11,#111);font-weight:600}.sidebar-footer{margin-top:auto;padding:30px 17px 0}.sidebar-footer p{font-size:16px;line-height:1.55;color:var(--gray-60,#606060)}.sidebar-footer span{display:block;font-size:12px;letter-spacing:1.8px;margin-top:24px;color:var(--gray-7a,#7a7a7a)}.workspace{margin-left:220px;min-height:100dvh;min-width:0}.topbar{height:65px;display:flex;align-items:center;justify-content:flex-end;gap:20px;padding:0 44px;border-bottom:1px solid var(--gray-f0,#f0f0f0)}.topbar-label{font-size:12px;color:var(--gray-70,#707070)}.icon-button{display:inline-grid;place-items:center;border-radius:50%;height:44px;width:44px;padding:0;flex-shrink:0}.icon-button:hover{background:var(--gray-ed,#ededed)}.mobile-brand,.bottom-nav{display:none}main{max-width:1280px;margin:0 auto;padding:45px 56px 70px;min-width:0}.rubric-navigation{display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line);margin-bottom:42px;min-width:0}.rubric-tabs{display:flex;gap:27px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;min-width:0;flex:1;-webkit-overflow-scrolling:touch}.rubric-tabs::-webkit-scrollbar{display:none}.rubric-tab{display:flex;align-items:center;gap:10px;flex:0 0 auto;white-space:nowrap;position:relative;min-height:59px;padding:5px 0 19px;color:var(--gray-74,#747474);font-size:14px;font-weight:500;border-bottom:2px solid transparent}.rubric-tab[aria-selected=true]{border-color:var(--gray-11,#111);color:var(--gray-11,#111);font-weight:600}.rubric-tab:hover{color:var(--gray-11,#111)}.tab-number{font-size:12px;color:var(--gray-93,#939393);font-variant-numeric:tabular-nums}.rubric-tab[aria-selected=true] .tab-number{color:var(--gray-11,#111)}.scroll-controls{display:flex;gap:3px;flex:0 0 auto;padding-bottom:12px}.scroll-controls .icon-button{width:34px;height:34px}.rubric-heading{margin-bottom:37px}.rubric-heading>p{color:var(--muted);max-width:670px;margin-top:15px}.rubric-meta{display:flex;gap:8px;align-items:center;color:var(--gray-71,#717171);font-size:14px;margin-top:15px}.rubric-meta .preview-label{margin-left:12px;padding-left:16px;border-left:1px solid var(--gray-d6,#d6d6d6)}.work-layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(310px,1fr);gap:36px;align-items:start;min-width:0}.steps-column{min-width:0}.steps-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:14px}.steps-heading h2{font-size:22px}.steps-heading span{font-size:13px;color:var(--gray-77,#777);font-variant-numeric:tabular-nums}.task-stack{display:grid;gap:11px}.task-card{position:relative;background:var(--surface);border-radius:var(--radius);display:flex;align-items:center;padding:19px 17px 19px 22px;gap:12px;min-height:102px;outline:1px solid transparent;outline-offset:-1px;transition:background .14s,outline-color .14s}.task-card:hover{background:var(--gray-ee,#eeeeee)}.task-card.is-selected{outline-color:var(--gray-bd,#bdbdbd);background:var(--gray-ef,#efefef)}.task-card.is-done{background:var(--gray-f8,#f8f8f8)}.task-card.is-done .task-title{color:var(--gray-74,#747474)}.task-open{text-align:left;padding:0;flex:1;min-width:0;border-radius:5px}.task-open:after{content:'';position:absolute;inset:0;border-radius:var(--radius);z-index:0}.task-copy{position:relative;pointer-events:none;z-index:1;display:block}.task-meta{display:flex;align-items:center;gap:9px;color:var(--gray-73,#737373);font-size:12px;line-height:1.5;margin-bottom:7px}.task-meta .meta-divider{color:var(--gray-bc,#bcbcbc)}.task-title{display:block;font-size:16px;font-weight:550;line-height:1.45;letter-spacing:-.15px;overflow-wrap:anywhere}.check-button{position:relative;z-index:2;flex:0 0 44px;width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:var(--gray-e9,#e9e9e9);color:var(--gray-5c,#5c5c5c);padding:0}.check-button:hover{background:var(--gray-de,#dedede);color:var(--gray-11,#111)}.task-card.is-done .check-button{background:var(--gray-17,#171717);color:var(--gray-ff,#fff)}.task-card.is-preview .task-open{cursor:pointer}.card-chevron{width:44px;height:44px;display:grid;place-items:center;color:var(--gray-71,#717171);flex-shrink:0}.list-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:22px}.text-button{display:inline-flex;align-items:center;gap:8px;font-size:14px;padding:5px 0;color:var(--gray-60,#606060);min-height:36px}.text-button:hover{color:var(--gray-11,#111)}.preview-note{font-size:14px;color:var(--gray-76,#767676);margin:0 0 19px;line-height:1.6}.desktop-detail{position:sticky;top:30px;min-width:0;padding-top:4px;max-height:calc(100dvh - 60px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}.desktop-detail:empty{display:none}.detail-box{padding:24px;background:var(--gray-fa,#fafafa);border-radius:18px}.detail-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--gray-70,#707070);font-size:12px;margin-bottom:15px}.detail-top .icon-button{width:32px;height:32px;margin:-8px -8px -8px 0}.detail-content h2{font-size:23px;font-weight:650;line-height:1.3;margin-bottom:23px;overflow-wrap:anywhere}.detail-steps{list-style:none;padding:0;margin:0;counter-reset:steps}.detail-steps li{position:relative;counter-increment:steps;padding-left:27px;margin-bottom:16px;font-size:16px;line-height:1.65;color:var(--gray-53,#535353);overflow-wrap:anywhere}.detail-steps li:before{content:counter(steps) '.';position:absolute;left:0;color:var(--gray-11,#111);font-size:14px;top:2px}.expected{border-top:1px solid var(--gray-de,#dedede);padding-top:19px;margin:24px 0 20px}.expected h3{font-size:14px;letter-spacing:0;margin-bottom:6px}.expected p{font-size:16px;color:var(--gray-5f,#5f5f5f)}.btn{min-height:48px;padding:13px 18px;border-radius:11px;background:var(--gray-ed,#ededed);display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:14px;font-weight:550;text-align:center;text-decoration:none;line-height:1.4}.btn:hover{background:var(--gray-df,#dfdfdf)}.btn-primary{background:var(--gray-17,#171717);color:var(--gray-ff,#fff)}.btn-primary:hover{background:var(--gray-30,#303030)}.wide{width:100%}.resource-link{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--gray-de,#dedede);border-radius:11px;padding:13px 14px;font-size:14px;text-decoration:none;gap:10px;margin:21px 0}.resource-link:hover{background:var(--gray-ed,#ededed)}.platform-info,.tip{font-size:14px;color:var(--gray-62,#626262);line-height:1.65;margin:20px 0;padding:12px 0;border-top:1px solid var(--gray-e5,#e5e5e5)}.platform-info strong{display:block;color:var(--gray-22,#222);margin-bottom:4px}.tip{border:0;padding:0}.help{border-top:1px solid var(--gray-e2,#e2e2e2);padding-top:16px;margin-top:22px}.help summary{cursor:pointer;font-size:14px;color:var(--gray-55,#555);min-height:30px;line-height:1.6}.help p{color:var(--gray-66,#666);font-size:14px;line-height:1.65;margin-top:9px}.source-link{font-size:12px;color:var(--gray-77,#777);display:block;line-height:1.7;margin-top:23px;text-decoration:none}.source-link:hover{text-decoration:underline}.work-field{margin:23px 0}.work-field label{font-size:14px;display:block;font-weight:550;margin-bottom:8px}input,textarea,select{font:inherit;min-width:0}textarea,input:not([type=checkbox]),select{width:100%;background:var(--gray-ef,#efefef);border:1px solid transparent;border-radius:10px;padding:13px 14px;font-size:16px;min-height:48px;line-height:1.5;color:var(--gray-11,#111)}textarea{resize:vertical;min-height:105px}textarea:focus,input:focus,select:focus{outline:1px solid var(--gray-11,#111);border-color:var(--gray-11,#111);background:var(--gray-ff,#fff)}.save-note{font-size:12px;color:var(--gray-77,#777);display:block;margin-top:6px}.prompt-box{background:var(--gray-ed,#ededed);border-radius:12px;margin:22px 0;overflow:hidden}.prompt-header{display:flex;align-items:center;justify-content:space-between;padding:10px 13px;gap:10px;font-size:12px;border-bottom:1px solid var(--gray-dd,#ddd)}.prompt-header button{min-height:34px;padding:5px;font-size:13px;font-weight:550}.prompt-box pre{font-family:inherit;line-height:1.7;font-size:14px;padding:15px;margin:0;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--gray-50,#505050);max-height:270px;overflow-y:auto}.quiz{margin:24px 0}.quiz p{font-size:14px;margin-bottom:11px}.quiz button{display:block;text-align:left;background:var(--gray-ee,#eee);border:1px solid transparent;border-radius:10px;font-size:14px;padding:13px;margin-bottom:8px;width:100%;line-height:1.6}.quiz button.correct{border-color:var(--gray-11,#111);background:var(--gray-e6,#e6e6e6)}.quiz-feedback{color:var(--gray-55,#555);font-size:14px;margin-top:12px}.completion{padding:21px;background:var(--gray-f3,#f3f3f3);border-radius:18px;margin-top:20px}.completion p{font-size:14px;color:var(--gray-62,#626262);margin:10px 0 16px}.completion .btn{width:100%}.eyebrow{font-size:12px;font-weight:600;letter-spacing:1.6px;color:var(--gray-71,#717171);margin-bottom:15px}.page-intro{color:var(--gray-66,#666);margin:16px 0 35px;max-width:650px}.overview-list{max-width:780px;display:grid;gap:11px;margin-top:34px}.overview-item{display:flex;align-items:center;gap:20px;text-align:left;background:var(--gray-f4,#f4f4f4);padding:24px;border-radius:18px;width:100%}.overview-item:hover{background:var(--gray-ed,#ededed)}.overview-number{color:var(--gray-77,#777);font-size:14px;align-self:flex-start;padding-top:3px}.overview-copy{flex:1;min-width:0}.overview-copy strong{display:block;font-size:18px;line-height:1.4}.overview-copy span{display:block;color:var(--gray-77,#777);font-size:13px;margin-top:7px}.settings-content{max-width:700px;margin-top:32px}.settings-section{padding:24px 0;border-top:1px solid var(--line)}.settings-section h2{font-size:20px;margin-bottom:15px}.settings-section p{color:var(--gray-66,#666);font-size:14px;margin-bottom:15px}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:6px 0;font-size:16px}.settings-row select{width:165px}.settings-actions{display:flex;gap:10px;flex-wrap:wrap}.settings-section>.text-button{display:flex;width:100%;justify-content:space-between;border-bottom:1px solid var(--gray-ed,#ededed);padding:15px 0;color:var(--gray-11,#111)}.source-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:30px}.source-card{border-radius:18px;padding:26px;background:var(--gray-f5,#f5f5f5)}.source-card h2{font-size:21px;margin-bottom:18px}.source-card p,.source-card li{font-size:15px;color:var(--gray-60,#606060);line-height:1.7}.source-card p+p{margin-top:18px}.source-list a{display:block;padding:12px 0;font-size:14px;border-bottom:1px solid var(--gray-dd,#ddd)}.source-list a:last-child{border:0}.lesson-description{color:var(--gray-66,#666);max-width:700px;margin:18px 0;line-height:1.6}.back-button{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-size:14px;font-weight:500;padding:5px 0}.page-back{margin-bottom:22px}.diagram{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:22px 0}.diagram>div{background:var(--gray-ee,#eee);border-radius:10px;text-align:center;padding:15px;font-size:13px;color:var(--gray-66,#666)}.diagram b{display:block;color:var(--gray-11,#111);font-size:15px;margin-top:5px}.diagram-caption{font-size:13px;color:var(--gray-77,#777)}.toast{position:fixed;z-index:100;left:calc(50% + 110px);bottom:25px;transform:translateX(-50%) translateY(25px);background:var(--gray-17,#171717);color:var(--gray-ff,#fff);font-size:14px;line-height:1.5;padding:13px 20px;border-radius:12px;max-width:calc(100vw - 40px);width:max-content;opacity:0;pointer-events:none;transition:opacity .16s,transform .16s}.toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}dialog{color:var(--gray-11,#111);border:0}dialog::backdrop{background:#0005}.confirm-dialog{border-radius:22px;padding:34px;width:calc(100% - 40px);max-width:480px;max-height:calc(100dvh - 40px);overflow:auto}.confirm-dialog h2{font-size:27px;padding-right:24px;margin-bottom:18px}.confirm-dialog p{color:var(--gray-60,#606060);font-size:16px;margin-bottom:20px}.modal-close{position:absolute;top:14px;right:14px}.dialog-result{background:var(--gray-f4,#f4f4f4);padding:18px;border-radius:12px;color:var(--gray-33,#333)!important}.dialog-check{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.6;margin:20px 0}.dialog-check input{accent-color:var(--gray-11,#111);width:20px;height:20px;flex-shrink:0;margin:1px 0 0}.dialog-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.dialog-actions .btn{flex:1}.detail-sheet{padding:0;margin:0;max-width:none;max-height:none;width:100%;height:100dvh;background:var(--gray-ff,#fff);overflow:hidden}.detail-sheet[open]{display:flex;flex-direction:column}.sheet-header{padding:calc(var(--safe-top) + 13px) 24px 13px;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);flex-shrink:0;background:var(--gray-ff,#fff)}.sheet-header>span{font-size:13px;color:var(--gray-77,#777)}.sheet-body{overflow-y:auto;overscroll-behavior:contain;min-height:0;padding:28px 24px calc(28px + var(--safe-bottom));flex:1}.sheet-body .detail-content{max-width:640px;margin:auto}.sheet-body .detail-content h2{font-size:28px}.sheet-body .detail-top{margin-bottom:13px}.sheet-body .detail-box{padding:0;background:var(--gray-ff,#fff)}.sheet-body .expected{padding:20px;background:var(--gray-f5,#f5f5f5);border:0;border-radius:14px}.sheet-body .prompt-box{background:var(--gray-f5,#f5f5f5)}.modal-open{overflow:hidden}.detail-media{width:100%;height:auto;display:block;border-radius:12px;margin:20px 0}
@media(min-width:1600px){main{padding:48px 40px 80px}.work-layout{gap:40px;grid-template-columns:minmax(0,1.65fr) minmax(350px,1fr)}}
@media(max-width:1200px){main{padding:35px 32px 65px}.work-layout{gap:24px;grid-template-columns:minmax(0,1.4fr) minmax(290px,1fr)}.detail-box{padding:21px}.rubric-tabs{gap:24px}}
@media(max-width:1000px){.sidebar{display:none}.workspace{margin-left:0}.mobile-brand{display:block}.topbar{position:sticky;top:0;z-index:15;background:var(--gray-ff,#fff);justify-content:space-between;height:auto;min-height:76px;padding:calc(var(--safe-top) + 16px) 24px 16px;border-bottom:1px solid var(--gray-ee,#eee)}.topbar-label{display:none}.wordmark{font-size:34px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:20;border-top:1px solid var(--gray-e9,#e9e9e9);background:var(--gray-ff,#fff);display:flex;justify-content:space-around;padding:7px 12px calc(8px + var(--safe-bottom))}.bottom-nav .nav-item{width:auto;flex:1;min-height:57px;gap:4px;flex-direction:column;justify-content:center;padding:4px 8px;border-radius:0;font-size:12px;color:var(--gray-6b,#6b6b6b);line-height:1.4}.bottom-nav .nav-item.active{background:none;color:var(--gray-11,#111);font-weight:650}.bottom-nav svg{width:23px;height:23px}main{max-width:800px;padding:22px 28px calc(108px + var(--safe-bottom))}.work-layout{display:block}.desktop-detail{display:none}.rubric-navigation{margin-bottom:31px;gap:8px}.rubric-tab{min-height:57px;padding-bottom:16px;font-size:14px}.scroll-controls{padding-bottom:10px}.rubric-heading{margin-bottom:31px}h1{font-size:35px}.rubric-heading>p{margin-top:14px}.toast{left:50%;bottom:calc(91px + var(--safe-bottom))}.source-grid{grid-template-columns:1fr}.task-card{padding:20px 17px 20px 21px;min-height:100px}.steps-heading{margin-bottom:15px}.steps-heading h2{font-size:22px}.list-footer{gap:10px}}
@media(max-width:480px){main{padding-left:22px;padding-right:22px}.topbar{padding-left:22px;padding-right:22px}.rubric-navigation{margin-left:-22px;margin-right:-22px;gap:0}.rubric-tabs{padding-left:22px;padding-right:22px;scroll-padding-left:22px;gap:24px}.scroll-controls{display:none}.rubric-tab{gap:8px}h1{font-size:33px}.rubric-heading>p{font-size:16px}.rubric-meta{font-size:14px;margin-top:15px}.task-title{font-size:16px}.task-card{padding:18px 13px 18px 18px;gap:8px;min-height:102px}.task-stack{gap:11px}.overview-item{padding:20px;gap:14px}.overview-copy strong{font-size:16px}.settings-row{align-items:flex-start;flex-direction:column;gap:12px}.settings-row select{width:100%}.confirm-dialog{padding:30px 23px;width:calc(100% - 28px)}.dialog-actions{flex-direction:column}.dialog-actions .btn{width:100%}.settings-actions .btn{width:100%}.source-card{padding:23px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.sidebar,.topbar,.bottom-nav,.rubric-navigation,.desktop-detail,.list-footer,dialog,.toast{display:none!important}.workspace{margin:0}main{padding:0}.work-layout{display:block}.task-card{break-inside:avoid;border:1px solid var(--gray-dd,#ddd)}.task-open:after{display:none}}

/* Task cards: action and outcome form one scan-friendly unit. */
.task-card{align-items:flex-start;padding:21px 18px;gap:14px;min-height:136px}
.task-card>.check-button{margin-top:23px;background:var(--gray-e7,#e7e7e7)}
.task-card.is-done>.check-button{background:var(--gray-17,#171717)}
.task-meta{margin-bottom:6px}
.task-title{font-size:16px;font-weight:600;color:var(--gray-11,#111)}
.task-result{display:block;margin-top:8px;font-size:14px;line-height:1.6;color:var(--gray-6b,#6b6b6b);overflow-wrap:anywhere}
.task-result>span{font-weight:500;color:var(--gray-55,#555)}
.task-symbol{position:relative;z-index:1;pointer-events:none;flex:0 0 27px;display:grid;place-items:center;color:var(--gray-77,#777);margin-top:25px}
.preview-marker{flex:0 0 44px;height:44px;margin-top:23px;display:grid;place-items:center;color:var(--gray-b1,#b1b1b1)}
.task-card.is-preview .task-result{color:var(--gray-77,#777)}
.sidebar-footer span{letter-spacing:0;font-size:14px;color:var(--gray-55,#555)}
.results-empty,.result-card{max-width:780px;background:var(--gray-f4,#f4f4f4);border-radius:18px;padding:30px}
.results-empty h2{margin:20px 0 12px}.results-empty p{color:var(--gray-66,#666);max-width:540px;margin-bottom:23px}
.results-icon{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--gray-e9,#e9e9e9);color:var(--gray-50,#505050);flex-shrink:0}
.result-header{display:flex;gap:17px;align-items:flex-start}.result-header h2{margin-top:7px;font-size:23px;line-height:1.35;overflow-wrap:anywhere}
.result-type{font-size:12px;letter-spacing:1px;color:var(--gray-77,#777)}.result-facts{margin:27px 0}.result-facts>div{border-top:1px solid var(--gray-de,#dedede);padding:16px 0}
.result-facts dt{font-size:14px;font-weight:550;color:var(--gray-33,#333);margin-bottom:7px}.result-facts dd{margin:0;color:var(--gray-66,#666);font-size:16px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}
.result-actions{display:flex;gap:9px;flex-wrap:wrap}.result-storage{font-size:13px;color:var(--gray-77,#777);margin-top:21px}
@media(max-width:1000px){.bottom-nav{padding-left:4px;padding-right:4px}.bottom-nav .nav-item{font-size:12px;padding-left:3px;padding-right:3px;min-width:0}}
@media(max-width:480px){.task-card{padding:18px 12px;gap:10px}.task-card>.check-button{flex-basis:38px;width:38px;height:44px}.task-symbol{flex-basis:20px}.task-symbol svg{width:19px;height:19px}.task-result{font-size:14px}.preview-marker{flex-basis:38px}.results-empty,.result-card{padding:23px}.result-header{gap:12px}.result-header h2{font-size:21px}.result-actions>.btn{width:100%}}

/* Guided workspace. Quiet surfaces, explicit actions, detail on demand. */
.journey-overview{margin-bottom:14px;border-bottom:1px solid var(--line);padding-bottom:14px}
.journey-overview>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--gray-66,#666);cursor:pointer;min-height:40px}
.journey-overview>summary::-webkit-details-marker{display:none}
.journey-overview>summary>span:first-child{font-weight:600;color:var(--gray-33,#333)}.overview-link{display:inline-flex;align-items:center;gap:4px;margin-left:18px;color:var(--gray-33,#333)}
.journey-overview[open] .overview-link svg{transform:rotate(90deg)}
.journey-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;margin:10px 0 14px}.journey-item{display:flex;gap:14px;align-items:center;text-align:left;padding:13px;border-radius:10px;background:var(--gray-f7,#f7f7f7);min-width:0}.journey-item:hover{background:var(--gray-ee,#eee)}.journey-item>b{font-size:14px;color:var(--gray-77,#777)}.journey-item>span{flex:1}.journey-item strong{display:block;font-size:14px;line-height:1.5}.journey-item small{display:block;font-size:12px;color:var(--gray-66,#666);margin-top:4px}
.rubric-navigation{margin-bottom:32px}.rubric-heading{margin-bottom:32px}.rubric-heading h1{max-width:800px}
.task-card{display:grid;grid-template-columns:40px minmax(0,1fr);gap:8px 12px;padding:20px 20px 19px;align-items:start;min-height:0}
.task-card-header{grid-column:1/-1;display:flex;align-items:center;gap:12px;pointer-events:none;min-height:28px;margin-bottom:1px}
.task-card-header .task-symbol{width:40px;flex:0 0 40px;position:static;margin:0;color:var(--gray-45,#454545);display:grid;place-items:center}
.task-card-header .task-meta{margin:0;color:var(--gray-6b,#6b6b6b);gap:8px}.done-label{margin-left:auto;font-size:12px;color:var(--gray-66,#666)}
.task-card>.check-button{grid-column:1;grid-row:2;margin:0;width:40px;height:40px;border-radius:50%;background:var(--gray-e7,#e7e7e7)}
.task-card>.task-open{grid-column:2;grid-row:2;display:block}.task-title{display:flex;align-items:center;min-height:40px;line-height:1.5;font-size:16px}
.task-result{margin-top:5px;font-size:14px;line-height:1.65}.task-result>span{font-weight:500}
.card-action{display:flex;align-items:center;gap:8px;font-size:13px;line-height:1.5;font-weight:500;color:var(--gray-42,#424242);margin-top:16px}.image-label{font-size:12px;color:var(--gray-73,#737373);font-weight:400;margin-left:auto}
.preview-marker{margin:0;width:40px;height:40px;grid-column:1;grid-row:2}.task-card.is-preview{background:var(--gray-fa,#fafafa);border:1px solid var(--gray-ee,#eee)}.task-card.is-preview .task-title{color:var(--gray-55,#555)}
.next-step{padding:27px;background:var(--gray-17,#171717);color:var(--gray-ff,#fff);border-radius:18px;margin-top:38px}.next-step .eyebrow{display:block;font-size:12px;color:var(--gray-aa,#aaa);letter-spacing:1.2px;margin-bottom:24px}.next-code{font-size:14px;color:var(--gray-aa,#aaa);display:block;margin-bottom:9px}.next-step h2{font-size:23px;line-height:1.4;margin-bottom:28px}.next-step .btn{background:var(--gray-ff,#fff);color:var(--gray-11,#111)}.next-step .btn:hover{background:var(--gray-dd,#ddd)}.aside-hint{font-size:14px;color:var(--gray-73,#737373);padding:20px 7px;line-height:1.7}
.page-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:32px}.page-heading .page-intro{margin:14px 0 0;max-width:570px}.page-heading>.btn{flex-shrink:0;margin-top:4px}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:0 0 10px}.section-heading h2{font-size:23px}.section-heading>span{font-size:13px;color:var(--gray-77,#777)}.section-note{font-size:14px;color:var(--gray-71,#717171);margin-bottom:20px;max-width:760px}
.library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.library-card,.insight-card{background:var(--gray-f4,#f4f4f4);border:1px solid transparent;border-radius:18px;padding:24px;text-align:left;display:flex;flex-direction:column;min-width:0;transition:background .15s,border-color .15s}.library-card:hover,.insight-card:hover{background:var(--gray-ee,#eee);border-color:var(--gray-dd,#ddd)}.library-card-top{display:flex;align-items:center;gap:14px;color:var(--gray-50,#505050);margin-bottom:22px}.library-card-top>span{font-size:12px;color:var(--gray-66,#666);line-height:1.5}.library-card>strong,.insight-card>strong{font-size:19px;line-height:1.4;letter-spacing:-.3px;margin-bottom:9px;overflow-wrap:anywhere}.library-description{display:block;font-size:14px;color:var(--gray-66,#666);line-height:1.65;margin-bottom:4px}.library-card .card-action{margin-top:auto;padding-top:22px}.official-section{margin-top:46px}.official-list{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.official-card{display:flex;align-items:flex-start;gap:17px;text-align:left;border-bottom:1px solid var(--gray-e6,#e6e6e6);padding:21px 0;min-width:0}.official-card>span{flex:1}.official-card strong{font-size:16px;display:block;font-weight:550}.official-card small{display:block;font-size:14px;color:var(--gray-73,#737373);line-height:1.65;margin-top:5px}.official-card>svg{margin-top:2px}.official-card:hover strong{text-decoration:underline}
.insight-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.insight-excerpt{color:var(--gray-66,#666);font-size:15px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden}.insight-card .card-action{padding-top:18px;margin-top:auto}.practice-notes{max-width:800px;margin-top:32px;border-top:1px solid var(--gray-e5,#e5e5e5);padding-top:20px}.practice-notes summary{font-size:14px;color:var(--gray-55,#555);cursor:pointer;min-height:40px}.practice-notes section{margin-top:18px;padding:20px;background:var(--gray-f7,#f7f7f7);border-radius:12px}.practice-notes h3{font-size:16px;margin-bottom:7px}.practice-notes p{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--gray-60,#606060);font-size:15px}
.editor-dialog{max-width:700px;padding:36px}.editor-dialog .work-field{margin:20px 0}.editor-dialog .instructions-input{min-height:230px}.editor-tools{border-top:1px solid var(--line);display:flex;gap:8px 22px;flex-wrap:wrap;margin-top:24px;padding-top:15px}.editor-tools .text-button{font-size:13px}.field-hint{font-size:13px!important;line-height:1.65!important;color:var(--gray-73,#737373)!important;margin:8px 0 15px!important}.form-feedback{font-size:14px!important;color:#ae2424!important;margin:8px 0!important}.empty-inline{padding:24px;background:var(--gray-f7,#f7f7f7);border-radius:14px;grid-column:1/-1;color:var(--gray-60,#606060);line-height:1.6}
.instruction-figure{margin:24px 0}.image-open{display:block;width:100%;text-align:left;padding:0;border-radius:12px;border:1px solid var(--gray-de,#dedede);overflow:hidden;background:var(--gray-ff,#fff)}.image-open .detail-media{margin:0;border-radius:0}.image-open>span{display:flex;justify-content:space-between;padding:11px 13px;font-size:13px;color:var(--gray-55,#555);border-top:1px solid var(--gray-e6,#e6e6e6)}.instruction-figure figcaption{padding:13px 2px 0}.instruction-figure figcaption>a{font-size:12px;color:var(--gray-77,#777);text-decoration:none}.instruction-figure figcaption small{display:block;font-size:12px;color:var(--gray-77,#777);line-height:1.5;margin-top:5px}.image-legend{list-style:none;counter-reset:markers;padding:0;margin:0 0 12px}.image-legend li{counter-increment:markers;position:relative;padding-left:27px;font-size:14px;line-height:1.5;margin:9px 0}.image-legend li:before{content:counter(markers);position:absolute;left:0;top:0;font-size:12px;border-radius:50%;width:19px;height:19px;background:#1268ff;display:grid;place-items:center;color:var(--gray-ff,#fff);font-weight:600}.image-legend li>span{display:block;color:var(--gray-66,#666);font-size:13px;margin-top:5px}.image-dialog{max-width:1000px}.zoom-image{overflow:auto;margin-bottom:22px;border-radius:12px;background:var(--gray-f5,#f5f5f5)}.zoom-image>img{display:block;width:100%;min-width:540px;height:auto}
@media(min-width:1500px){.library-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1000px){.page-heading{margin-top:16px}.journey-overview{margin-bottom:0}.task-card{padding:19px 20px}.task-card-header .task-symbol{width:40px;flex-basis:40px}.next-step{display:none}.library-grid,.insight-list{gap:12px}.bottom-nav .nav-item{font-size:12px}.journey-grid{gap:7px}.journey-item{padding:12px}}
@media(max-width:600px){.page-heading{display:block}.page-heading>.btn{margin-top:22px}.library-grid,.official-list,.insight-list,.journey-grid{grid-template-columns:1fr}.library-card,.insight-card{padding:23px}.library-card-top{margin-bottom:18px}.journey-overview>summary{align-items:flex-start;font-size:12px}.journey-overview>summary>span:last-child{text-align:right}.overview-link{margin-left:0;display:flex;justify-content:flex-end;margin-top:4px}.journey-overview>summary>span:first-child{padding-top:3px}.task-card{padding:17px 15px;column-gap:10px}.task-card>.check-button{width:40px;height:40px}.task-card-header .task-symbol svg{width:22px;height:22px}.editor-dialog{padding:30px 23px}.editor-dialog .dialog-actions{position:sticky;bottom:-30px;background:var(--gray-ff,#fff);padding:12px 0;margin-bottom:-10px;z-index:3;flex-direction:row}.editor-dialog .dialog-actions .btn{width:auto}.editor-tools{gap:6px 15px}.rubric-heading h1{font-size:32px}.journey-overview{padding-bottom:9px}.rubric-navigation{margin-bottom:28px}}

/* Compact task surfaces: one detail target and a separate result checkbox. */
.task-stack{gap:12px}
.task-card{grid-template-columns:34px minmax(0,1fr) 20px;gap:5px 13px;background:var(--gray-ff,#fff);border:1px solid var(--gray-e5,#e5e5e5);border-radius:16px;padding:19px 21px 22px;outline:0;transition:background .16s,border-color .16s}
.task-card:hover{background:var(--gray-fa,#fafafa);border-color:var(--gray-c9,#c9c9c9)}
.task-card-header{grid-column:2;grid-row:1;gap:8px;min-height:20px;margin:0 0 1px}
.task-card-header .task-symbol{width:18px;flex-basis:18px;color:var(--gray-77,#777)}
.task-card-header .task-symbol svg{width:17px;height:17px}
.task-card-header .task-meta{font-size:12px;gap:7px;line-height:1.5;color:var(--gray-73,#737373)}
.task-card>.check-button{grid-column:1;grid-row:2;width:34px;height:34px;border-radius:9px;background:transparent;color:var(--gray-ff,#fff);transform:translateY(-1px)}
.empty-check{width:23px;height:23px;border:1.5px solid var(--gray-ad,#adadad);border-radius:7px;background:var(--gray-ff,#fff)}
.task-card>.check-button:hover{background:var(--gray-e5,#e5e5e5)}.task-card>.check-button:hover .empty-check{border-color:var(--gray-66,#666)}
.task-card>.task-open{grid-column:2;grid-row:2}.task-title{min-height:32px;line-height:1.5;font-size:17px;font-weight:600;letter-spacing:-.3px}
.task-result{font-size:14px;line-height:1.65;margin-top:5px;color:var(--gray-72,#727272)}.task-result>span{color:inherit;font-weight:400}
.task-disclosure{grid-column:3;grid-row:1 / span 2;align-self:center;pointer-events:none;color:var(--gray-88,#888)}
.task-card.is-selected{background:var(--gray-e9,#e9e9e9);border-color:var(--gray-cd,#cdcdcd);outline:0}.task-card.is-selected .task-disclosure{color:var(--gray-33,#333)}
.task-card.is-done{background:var(--gray-ee,#eeeeee);border-color:var(--gray-e5,#e5e5e5)}.task-card.is-done .task-title{color:var(--gray-85,#858585);font-weight:500}.task-card.is-done .task-result,.task-card.is-done .task-meta,.task-card.is-done .task-symbol,.task-card.is-done .task-disclosure{color:var(--gray-88,#888)}
.task-card.is-done>.check-button{background:var(--gray-92,#929292);color:var(--gray-ff,#fff)}.task-card.is-done>.check-button:hover{background:var(--gray-77,#777)}.task-card.is-done.is-selected{background:var(--gray-e3,#e3e3e3);border-color:var(--gray-c6,#c6c6c6)}
.done-label{font-size:12px;color:var(--gray-7d,#7d7d7d)}.preview-marker{grid-column:1;grid-row:2;width:34px;height:34px;margin:0;color:var(--gray-aa,#aaa)}.task-card.is-preview{border:1px dashed var(--gray-de,#dedede);background:var(--gray-fa,#fafafa)}.task-card.is-preview.is-selected{background:var(--gray-e9,#e9e9e9)}
.overview-heading{margin:4px 0 34px}.overview-heading>p{color:var(--gray-70,#707070);margin-top:15px}.overview-progress{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:var(--gray-77,#777);border-bottom:1px solid var(--line);padding:25px 0 18px;margin-top:10px}
.rubric-overview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.rubric-overview-card{display:flex;flex-direction:column;text-align:left;min-width:0;border:1px solid var(--gray-e6,#e6e6e6);border-radius:20px;background:var(--gray-ff,#fff);padding:26px;transition:background .16s,border-color .16s}
.rubric-overview-card:hover{background:var(--gray-f7,#f7f7f7);border-color:var(--gray-bb,#bbb)}.rubric-card-top{display:flex;align-items:center;gap:13px;margin-bottom:26px}.rubric-icon{display:grid;place-items:center;width:48px;height:48px;background:var(--gray-f2,#f2f2f2);border-radius:14px;color:var(--gray-36,#363636)}.rubric-letter{font-size:15px;font-weight:600;color:var(--gray-55,#555)}.rubric-status{margin-left:auto;color:var(--gray-77,#777);font-size:12px}
.rubric-overview-card>strong{font-size:21px;line-height:1.35;font-weight:600;letter-spacing:-.5px;margin-bottom:11px}.rubric-outcome{display:block;font-size:15px;line-height:1.7;color:var(--gray-71,#717171);margin-bottom:26px}.rubric-card-footer{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--gray-ec,#ececec);padding-top:18px}.rubric-card-footer>span{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--gray-71,#717171)}.rubric-overview-card.planned{background:var(--gray-fa,#fafafa)}
@media(max-width:600px){.task-card{padding:16px 13px 18px;grid-template-columns:30px minmax(0,1fr) 16px;column-gap:9px;border-radius:14px}.task-card>.check-button,.preview-marker{width:30px;height:32px}.task-title{font-size:16px;line-height:1.5}.task-disclosure svg{width:17px}.task-card-header{gap:7px;flex-wrap:wrap}.done-label{font-size:11px}.rubric-overview-grid{grid-template-columns:1fr;gap:14px}.rubric-overview-card{padding:23px}.rubric-card-top{margin-bottom:22px}.rubric-overview-card>strong{font-size:20px}.overview-heading{margin-top:12px}.overview-progress{justify-content:flex-start;gap:7px;flex-direction:column}.rubric-outcome{margin-bottom:22px}}

.detail-placeholder{margin-top:40px;padding:32px 26px;border:1px dashed var(--gray-de,#dedede);border-radius:16px;color:var(--gray-99,#999)}.detail-placeholder h2{font-size:20px;color:var(--gray-77,#777);margin:20px 0 11px}.detail-placeholder p{font-size:14px;line-height:1.7;color:var(--gray-88,#888)}

/* Discover: curated tools on white, practical knowledge on quiet grey surfaces. */
.library-switch{display:inline-flex;gap:4px;background:var(--gray-f1,#f1f1f1);border-radius:14px;padding:5px;margin-bottom:34px;max-width:100%}
.library-switch button{display:flex;justify-content:center;align-items:center;gap:9px;min-height:44px;padding:10px 20px;border-radius:10px;font-size:14px;font-weight:550;color:var(--gray-6b,#6b6b6b);line-height:1.4}
.library-switch button[aria-pressed=true]{background:var(--gray-ff,#fff);color:var(--gray-11,#111);box-shadow:0 1px 5px #0000000b}
.library-switch button:hover{color:var(--gray-11,#111)}
.discover-heading{margin:0 0 38px}.discover-heading h1{font-size:42px;letter-spacing:-1.7px}.discover-heading p{color:var(--gray-70,#707070);margin-top:13px;font-size:16px}
.discover-section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.discover-section-heading h2{font-size:23px}.discover-section-heading p{color:var(--gray-73,#737373);font-size:14px;margin-top:6px}.discover-section-heading .text-button{font-size:14px;min-height:44px;flex-shrink:0;gap:5px}.discover-meta{font-size:14px;color:var(--gray-73,#737373);white-space:nowrap}
.discover-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.discover-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;min-width:0;text-align:left;padding:23px 24px 19px;border-radius:20px;border:1px solid var(--gray-e5,#e5e5e5);background:var(--gray-ff,#fff);transition:border-color .16s,background .16s,transform .16s}
.discover-card:hover{border-color:var(--gray-b8,#b8b8b8);background:var(--gray-fa,#fafafa);transform:translateY(-2px)}
.discover-card:active{background:var(--gray-ed,#ededed);transform:none}.discover-card-top{display:flex;align-items:center;gap:12px;width:100%;margin-bottom:21px}
.discover-icon{display:inline-grid;place-items:center;flex:0 0 44px;width:44px;height:44px;border-radius:13px;background:var(--gray-f1,#f1f1f1);color:var(--gray-24,#242424)}
.discover-category{font-size:13px;color:var(--gray-73,#737373);line-height:1.4}.discover-saved{display:inline-grid;place-items:center;margin-left:auto;width:24px;height:24px;border-radius:50%;background:var(--gray-ee,#eee);color:var(--gray-77,#777)}
.discover-card>strong{font-size:19px;font-weight:600;letter-spacing:-.5px;line-height:1.4;overflow-wrap:anywhere}
.discover-result{font-size:16px;line-height:1.6;color:var(--gray-73,#737373);margin:8px 0 23px;overflow-wrap:anywhere}
.discover-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;margin-top:auto;padding-top:15px;border-top:1px solid var(--gray-ed,#ededed);font-size:13px;color:var(--gray-5c,#5c5c5c);line-height:1.4}
.discover-practice{margin-top:54px}.discover-feature{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:34px;width:100%;padding:34px 36px;border-radius:22px;text-align:left;color:var(--gray-ff,#fff);background:var(--gray-19,#191919);overflow:hidden;transition:background .16s}.discover-feature:hover{background:var(--gray-24,#242424)}.discover-feature:focus-visible{outline-offset:5px}
.feature-copy{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.feature-kicker{display:flex;align-items:center;gap:9px;font-size:12px;letter-spacing:1.1px;font-weight:550;color:var(--gray-b4,#b4b4b4);margin-bottom:19px}.feature-copy>strong{font-size:30px;line-height:1.17;letter-spacing:-1px;font-weight:600}.feature-copy>span:not([class]){font-size:15px;line-height:1.65;color:var(--gray-bc,#bcbcbc);margin-top:16px}.feature-action{display:flex;gap:16px;align-items:center;margin-top:25px;font-size:14px;font-weight:550}
.parallel-example{display:grid;grid-template-columns:1fr 1fr;gap:10px;min-width:0;align-items:start}.mini-window{display:block;min-width:0;background:var(--gray-2d,#2d2d2d);border:1px solid var(--gray-4b,#4b4b4b);border-radius:12px;overflow:hidden}.mini-window:nth-child(2){margin-top:29px;background:var(--gray-f2,#f2f2f2);color:var(--gray-19,#191919);border-color:var(--gray-f2,#f2f2f2)}.mini-window-bar{display:flex;align-items:center;gap:4px;border-bottom:1px solid #ffffff14;padding:10px}.mini-window:nth-child(2) .mini-window-bar{border-color:var(--gray-de,#dedede)}.mini-window-bar i{display:block;width:4px;height:4px;border-radius:50%;background:var(--gray-77,#777)}.mini-window-bar small{font-size:12px;color:var(--gray-b8,#b8b8b8);margin-left:auto}.mini-window:nth-child(2) .mini-window-bar small{color:var(--gray-66,#666)}.mini-window-content{display:flex;align-items:flex-start;flex-direction:column;min-height:133px;gap:11px;padding:17px 13px}.mini-window-content b{font-weight:550;font-size:14px;line-height:1.4;overflow-wrap:anywhere}.mini-window-content>span{font-size:12px;line-height:1.5;color:var(--gray-ba,#bababa)}.mini-window:nth-child(2) .mini-window-content>span{color:var(--gray-73,#737373)}.parallel-caption{grid-column:1/-1;text-align:center;font-size:12px;letter-spacing:.5px;color:var(--gray-a1,#a1a1a1);margin-top:7px}
.practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:17px}.practice-card{display:flex;gap:17px;align-items:flex-start;min-width:0;text-align:left;padding:24px;background:var(--gray-f5,#f5f5f5);border:1px solid transparent;border-radius:17px;transition:background .16s,border-color .16s}.practice-card:hover{background:var(--gray-ed,#ededed);border-color:var(--gray-dc,#dcdcdc)}.practice-icon{display:grid;place-items:center;flex:0 0 24px;padding-top:2px;color:var(--gray-50,#505050)}.practice-copy{flex:1;min-width:0}.practice-copy strong{display:block;font-size:17px;line-height:1.4;font-weight:550;letter-spacing:-.3px}.practice-copy>span{display:block;font-size:15px;line-height:1.65;color:var(--gray-73,#737373);margin-top:7px}.practice-copy small{display:block;font-size:12px;color:var(--gray-73,#737373);margin-top:15px}.practice-card>svg{color:var(--gray-82,#828282);align-self:center}.discover-footer{margin-top:34px;border-top:1px solid var(--gray-e7,#e7e7e7);padding:25px 3px 0;display:flex;align-items:center;gap:18px;color:var(--gray-73,#737373);font-size:14px;line-height:1.6}.discover-footer>span{flex:1}.discover-footer strong{font-weight:500;color:var(--gray-33,#333)}.discover-footer .text-button{font-size:14px;min-height:44px}
.discovery-dialog{max-width:700px;padding:38px;border-radius:24px}.discovery-dialog .modal-close{background:var(--gray-f2,#f2f2f2)}.discovery-detail-head{display:flex;align-items:center;gap:14px;padding-right:25px;margin-bottom:24px}.discovery-detail-head>span:last-child{font-size:14px;line-height:1.5;color:var(--gray-73,#737373)}.discovery-dialog h2{font-size:30px;line-height:1.2;margin-bottom:14px}.discovery-dialog .discovery-lead{font-size:17px;color:var(--gray-66,#666);line-height:1.65;margin-bottom:25px}.discovery-facts{display:grid;grid-template-columns:1fr 1fr;gap:20px;background:var(--gray-f5,#f5f5f5);border-radius:15px;padding:22px;margin-bottom:27px}.discovery-facts h3{font-size:14px;letter-spacing:0;margin-bottom:8px}.discovery-facts p{font-size:15px;margin:0;line-height:1.65}.discovery-subtitle{font-size:17px;margin-bottom:17px}.discovery-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.discovery-actions>.btn{flex:1;min-width:190px}.discovery-dialog .discovery-note{font-size:13px;color:var(--gray-77,#777);line-height:1.65;margin:20px 0 0}.discovery-dialog .source-link{margin-top:12px;font-size:13px}.discovery-dialog .prompt-header{font-size:13px}.discovery-dialog .prompt-box pre{font-size:15px}
@media(max-width:1280px){.discover-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.discover-feature{gap:22px;padding:30px}.feature-copy>strong{font-size:27px}}
@media(max-width:720px){.discover-feature{grid-template-columns:1fr;padding:27px;gap:30px}.parallel-example{max-width:400px;width:100%;justify-self:center}.mini-window-content{min-height:100px}.feature-copy>strong{font-size:29px}.practice-grid{grid-template-columns:1fr}.discover-section-heading{align-items:flex-start}.discover-section-heading .text-button{font-size:13px}.discover-card{padding:21px}.discover-section-heading h2{font-size:21px}}
@media(max-width:600px){.library-switch{margin-top:10px;margin-bottom:27px;width:100%}.library-switch button{flex:1;padding:10px 8px}.discover-heading h1{font-size:35px}.discover-heading{margin-bottom:31px}.discover-grid{grid-template-columns:1fr;gap:12px}.discover-card{padding:21px 23px}.discover-card-top{margin-bottom:14px}.discover-result{margin-bottom:18px}.discover-section-heading{flex-wrap:wrap;gap:4px}.discover-section-heading .text-button{padding:0}.discover-practice{margin-top:39px}.practice-card{padding:21px 19px;gap:13px}.discover-footer{align-items:flex-start;flex-wrap:wrap;gap:12px}.discover-footer>span{min-width:200px}.discover-footer .text-button{margin-left:33px}.discovery-dialog{width:100%;height:100dvh;max-height:100dvh;max-width:none;border-radius:0;margin:0;padding:calc(30px + var(--safe-top)) 24px calc(30px + var(--safe-bottom));overscroll-behavior:contain}.discovery-dialog .modal-close{top:calc(14px + var(--safe-top));right:15px}.discovery-dialog h2{font-size:28px}.discovery-facts{grid-template-columns:1fr;gap:18px}.discovery-actions{flex-direction:column}.discovery-actions>.btn{width:100%;min-width:0}.discovery-detail-head>span:last-child{font-size:13px}}

/* Rubric carousel: letter medallions, filled selection, contextual edge controls. */
.discover-page>.discover-practice{margin-top:0;margin-bottom:48px}
.voice-first-feature{display:flex;align-items:center;gap:20px;width:100%;text-align:left;padding:25px 28px;margin-bottom:16px;border:1px solid var(--gray-de,#dedede);border-radius:20px;background:var(--gray-f4,#f4f4f4);transition:background .16s,border-color .16s}.voice-first-feature:hover{background:var(--gray-ea,#eaeaea);border-color:var(--gray-bc,#bcbcbc)}.voice-first-icon{width:56px;height:56px;flex:0 0 56px;background:var(--gray-20,#202020);color:var(--gray-ff,#fff);border-radius:17px;display:grid;place-items:center}.voice-first-copy{display:flex;flex-direction:column;gap:5px;flex:1;min-width:0}.voice-first-copy>span:first-child{font-size:12px;letter-spacing:1.2px;color:var(--gray-73,#737373);font-weight:550}.voice-first-copy>strong{font-size:22px;letter-spacing:-.5px;line-height:1.35}.voice-first-copy>span:last-child{font-size:15px;color:var(--gray-6b,#6b6b6b);line-height:1.6}.voice-first-action{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:500;white-space:nowrap}
@media(max-width:720px){.voice-first-feature{padding:22px;gap:16px;flex-wrap:wrap}.voice-first-copy>strong{font-size:20px}.voice-first-icon{width:46px;height:46px;flex-basis:46px;border-radius:14px}.voice-first-action{margin-left:62px}.voice-first-copy{flex-basis:calc(100% - 70px)}}
.productivity-groups{display:grid;gap:12px;margin-top:18px}
.productivity-group{border:1px solid var(--gray-e5,#e5e5e5);border-radius:18px;background:var(--gray-ff,#fff);overflow:hidden}
.productivity-group>summary{display:flex;align-items:center;gap:18px;list-style:none;cursor:pointer;padding:22px 24px;min-height:96px}
.productivity-group>summary::-webkit-details-marker{display:none}
.productivity-group>summary:hover{background:var(--gray-f7,#f7f7f7)}
.productivity-group-icon{display:grid;place-items:center;width:48px;height:48px;flex:0 0 48px;border-radius:14px;background:var(--gray-f1,#f1f1f1);color:var(--gray-33,#333)}
.productivity-group-copy{flex:1;min-width:0}.productivity-group-copy strong{display:block;font-size:19px;letter-spacing:-.4px;font-weight:600;line-height:1.4}.productivity-group-copy>span{display:block;font-size:15px;line-height:1.6;color:var(--gray-73,#737373);margin-top:5px}
.productivity-group-count{font-size:13px;color:var(--gray-73,#737373);white-space:nowrap}.productivity-group>summary>svg{color:var(--gray-77,#777);transition:transform .16s}.productivity-group[open]>summary>svg{transform:rotate(90deg)}
.productivity-group[open]>summary{background:var(--gray-f7,#f7f7f7);border-bottom:1px solid var(--gray-e9,#e9e9e9)}.productivity-group .practice-grid{margin:0;padding:15px;gap:10px}.productivity-group .practice-card{background:var(--gray-f6,#f6f6f6);padding:21px}.productivity-group .practice-card:hover{background:var(--gray-ec,#ececec)}
@media(max-width:600px){.productivity-group>summary{padding:19px 17px;gap:12px;align-items:flex-start}.productivity-group-icon{width:40px;height:40px;flex-basis:40px;border-radius:12px}.productivity-group-copy strong{font-size:17px}.productivity-group-copy>span{font-size:14px}.productivity-group-count{display:none}.productivity-group>summary>svg{margin-top:10px}.productivity-group .practice-grid{padding:10px;grid-template-columns:1fr}.productivity-group .practice-card{padding:18px 14px}.discover-page>.discover-practice{margin-bottom:37px}}
.rubric-navigation{position:relative;display:block;border:0;margin:0 0 36px;min-width:0}
.rubric-tabs{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x proximity;scroll-padding:4px;padding:5px 4px 7px;min-width:0;scrollbar-width:none}
.rubric-tab{display:flex;align-items:center;gap:13px;flex:0 0 245px;min-height:78px;padding:15px 17px;border:1px solid transparent;border-radius:17px;background:var(--gray-f4,#f4f4f4);color:var(--gray-66,#666);text-align:left;white-space:normal;scroll-snap-align:start;transition:background .16s,color .16s,border-color .16s}
.rubric-tab:hover{background:var(--gray-ea,#eaeaea);color:var(--gray-22,#222);border-color:var(--gray-dd,#ddd)}
.rubric-tab[aria-selected=true]{background:var(--gray-22,#222);color:var(--gray-ff,#fff);border-color:var(--gray-22,#222);font-weight:600}
.rubric-tab[aria-selected=true]:hover{background:var(--gray-30,#303030);border-color:var(--gray-30,#303030)}
.rubric-tab .tab-number{display:grid;place-items:center;width:40px;height:40px;flex:0 0 40px;border-radius:50%;background:var(--gray-e7,#e7e7e7);color:var(--gray-60,#606060);font-size:16px;font-weight:600;letter-spacing:-.3px}
.rubric-tab[aria-selected=true] .tab-number{background:var(--gray-ff,#fff);color:var(--gray-22,#222)}
.tab-label{display:block;font-size:14px;line-height:1.45;font-weight:550;letter-spacing:-.1px;overflow-wrap:anywhere}
.rubric-tab:focus-visible{outline:2px solid var(--gray-66,#666);outline-offset:2px}
.rail-scroll{position:absolute;z-index:3;top:50%;transform:translateY(-50%);width:38px;height:38px;display:grid;place-items:center;padding:0;border-radius:50%;background:var(--gray-ff,#fff);border:1px solid var(--gray-e1,#e1e1e1);color:var(--gray-44,#444);box-shadow:0 3px 12px #00000012}
.rail-scroll:hover{background:var(--gray-f0,#f0f0f0);color:var(--gray-11,#111)}.rail-scroll[hidden]{display:none}.rail-scroll-back{left:-15px}.rail-scroll-next{right:-15px}
@media(max-width:1000px){.rubric-navigation{margin-bottom:30px}.rubric-tab{flex-basis:235px;min-height:76px}}
@media(max-width:480px){.rubric-navigation{margin-left:-22px;margin-right:-22px;margin-bottom:28px}.rubric-tabs{gap:9px;padding-left:22px;padding-right:22px;scroll-padding-left:22px}.rubric-tab{flex-basis:228px;min-height:76px;padding:14px 16px;gap:12px;border-radius:16px}.rubric-tab .tab-number{width:38px;height:38px;flex-basis:38px}.rail-scroll{display:none}}