/* Skillity · Blue learning workspace · October 2026 */
:root{--ink:#202b40;--muted:#778296;--line:#e8ecf2;--paper:#f8faff;--blue:#1688f8;--green:#1476da;--lime:#e9f4ff;--white:#fff;--red:#c13d53;--shadow:0 3px 16px #24375105;--radius:18px}
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var(--blue);font-weight:650}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th{font-weight:500;color:#8c97a7;font-size:11px;padding:14px 12px;border-bottom:1px solid var(--line);white-space:nowrap}td{padding:17px 12px;border-bottom:1px solid var(--line);vertical-align:middle}tr:last-child td{border:0}tr:hover td{background:#f9fbff}td input,td select{min-width:70px}td input[type=number]{max-width:80px}form p{margin-bottom:20px}label{display:block;font-weight:600;font-size:13px;margin-bottom:8px}input,select,textarea{width:100%;border:1px solid #dfe5ed;border-radius:10px;background:#fff;color:var(--ink);padding:11px 13px;outline:none;max-width:100%}input::placeholder,textarea::placeholder{color:#9aa5b5}input:focus,select:focus,textarea:focus{border-color:#73b9ff;box-shadow:0 0 0 3px 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.icon{width:32px;height:32px;color:#9fcaf1;margin-bottom:12px}.empty p{margin-bottom:6px}.progress{height:7px;border-radius:10px;background:#edf2f8;overflow:hidden}.progress span{display:block;background:var(--blue);height:100%;border-radius:10px}.steps{display:flex;gap:9px;overflow:auto;padding:5px 3px 22px}.step{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:white;flex-shrink:0;font-size:13px;color:#8e9aad}.step.done{background:#e9f8f0;border-color:#cfeadb;color:#469475}.step.active{background:var(--blue);color:white;border-color:var(--blue);box-shadow:0 4px 10px #1688f825}.lesson-body{font-size:17px;line-height:1.9;white-space:pre-wrap}.code{font:14px/1.8 ui-monospace,'Cascadia Code',monospace;min-height:270px;background:#18283e;color:#d9eaff;tab-size:4;border:1px solid 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/* Dashboard */
.welcome{position:relative;border-radius:20px;background:#198bfa;min-height:242px;display:flex;isolation:isolate;overflow:hidden;color:white;margin-bottom:29px}.welcome-copy{padding:29px 34px;max-width:66%;z-index:2;position:relative}.welcome-date{font-size:12px;color:#dfedff;margin-bottom:15px}.welcome h1{font-size:clamp(26px,2.7vw,38px);font-weight:650;letter-spacing:-.035em;margin-bottom:11px}.welcome p{font-size:13px;max-width:400px;color:#e7f3ff;line-height:1.6;margin-bottom:20px}.welcome-link{font-size:12px;font-weight:600;display:inline-flex;gap:12px;align-items:center;color:#fff}.welcome-link:hover{color:#fff;text-decoration:underline}.welcome-link .icon{width:17px}.welcome-visual{position:absolute;width:42%;height:100%;right:0;bottom:0;z-index:1}.welcome-visual img{position:absolute;right:-1%;bottom:-13%;height:123%;width:auto;max-width:none;object-fit:contain;border-radius:0}.cloud{position:absolute;display:block;background:#fff;border:2px solid #203348;border-radius:100px;z-index:-1}.cloud:before,.cloud:after{content:'';position:absolute;background:white;border:2px solid #203348;border-bottom:0;border-radius:100px 100px 0 0}.cloud:before{width:90px;height:60px;left:28px;top:-35px}.cloud:after{width:75px;height:45px;right:20px;top:-24px}.cloud-one{width:210px;height:92px;left:-34%;top:-35px;transform:rotate(180deg)}.cloud-two{width:220px;height:110px;right:-100px;top:50px;transform:rotate(-25deg)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:21px}.section-heading h2{margin:0;font-size:23px}.section-heading.compact{margin-bottom:14px}.section-heading.compact h2{font-size:17px}.section-heading>.icon{color:#93a6bd}.metrics{margin-bottom:25px}.metric{padding:20px 22px;display:flex;align-items:center;gap:18px}.metric-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:#eaf5ff;color:#208df3;flex-shrink:0}.metric:nth-child(2) .metric-icon{background:#f0edff;color:#9780d9}.metric:nth-child(3) .metric-icon{background:#fff5df;color:#d2a346}.metric .number{font-size:29px;letter-spacing:-.03em;font-weight:650;line-height:1.1;margin-top:7px}.metric .label{font-size:12px;color:#7d899b}.dashboard-columns{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:24px;align-items:start}.dashboard-aside{gap:20px}.dashboard-aside .card{padding:23px}.lesson-summary{flex-wrap:nowrap;gap:14px}.funnel{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:24px}.funnel>div{border-right:1px solid var(--line);padding:0 9px}.funnel>div:first-child{padding-left:0}.funnel>div:last-child{border:0}.funnel span{font-size:10px;color:var(--muted)}.funnel strong{display:block;font-size:23px;font-weight:600;margin-top:7px}.revenue{margin-top:22px;padding:14px 16px;background:#f3f8ff;border-radius:10px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#7b8ca1}.revenue strong{color:#277ed0}.activity-row{justify-content:flex-start;align-items:flex-start}.activity-dot{width:8px;height:8px;border:2px solid #309cff;border-radius:3px;flex-shrink:0;margin-top:8px}.attention-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;font-size:12px;color:#7b899e}.attention-item strong{font-size:13px;background:#f1f6fc;color:#4c8abe;padding:4px 9px;border-radius:7px}.reward-card{position:relative;background:#edf6ff!important;border-color:#deedfc!important;overflow:hidden}.reward-star{position:absolute;right:21px;top:15px;font-size:50px;color:#ffc450;transform:rotate(12deg)}.reward-card h2{font-size:34px;color:#207bcf}.reward-card h2 span{font-size:17px;font-weight:500}.reward-card p{font-size:12px;color:#6587a9}.reward-card .button{font-size:11px;width:100%;margin-top:7px}.calendar-controls{display:flex;justify-content:space-between;align-items:center;margin:15px 0 17px;gap:8px}.calendar-controls strong{font-size:13px;font-weight:600;text-transform:capitalize}.calendar-controls button{background:#fff;border:0;color:#75869e;font-size:23px;width:29px;height:30px;padding:0;border-radius:8px}.calendar-controls button:hover{background:#eef6ff;color:#2188eb;box-shadow:none}.calendar-week,.calendar-days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:3px;text-align:center}.calendar-week{font-size:10px;color:#99a3b2;margin-bottom:9px}.calendar-days button{border:0;background:transparent;color:#55657b;aspect-ratio:1;padding:0;font-size:11px;font-weight:400;position:relative;border-radius:50%;width:100%;box-shadow:none}.calendar-days button:hover{background:#eef6ff;color:#137cd9}.calendar-days button.today{color:#0d83ed;font-weight:700;background:#eef7ff}.calendar-days button.selected{background:var(--blue);color:white}.calendar-days button.has-event:after{content:'';width:3px;height:3px;border-radius:50%;background:#188cf8;position:absolute;bottom:3px;left:calc(50% - 1.5px)}.calendar-days button.selected:after{background:white}.calendar-agenda{margin-top:18px;border-top:1px solid var(--line);padding-top:15px;font-size:12px}.calendar-agenda>strong{font-size:11px;color:#8c9aab;font-weight:500}.calendar-agenda a{display:flex;gap:10px;padding-top:13px;align-items:baseline}.calendar-agenda time{font-weight:600;color:#2786de;font-size:11px}.calendar-agenda small{display:block;font-size:10px;margin-top:2px}.calendar-agenda p{font-size:11px;color:#98a3b4;margin:10px 0 0}.calendar-all{font-size:11px;margin-top:18px}.course-card{padding:0;overflow:hidden;display:block;transition:box-shadow .2s,transform .2s}.course-card:hover{transform:translateY(-3px);box-shadow:0 10px 25px #337ec710;color:var(--ink)}.course-cover{height:155px;position:relative;overflow:hidden;background:#e5f2ff;display:flex;align-items:center;justify-content:center}.code-glyph{font-family:ui-monospace,monospace;color:#288de9;font-weight:700;font-size:63px;letter-spacing:-10px;transform:rotate(-8deg);z-index:1}.course-cover:after{content:'';width:135px;height:135px;background:#cbe5ff;border-radius:35px;position:absolute;right:-30px;top:-50px;transform:rotate(25deg)}.cover-dot{width:65px;height:65px;border:16px solid #d0e7ff;border-radius:50%;position:absolute;left:19px;bottom:-17px}.cover-pill{position:absolute;left:17px;top:15px;background:#fff9;color:#5085b8;border-radius:20px;padding:4px 10px;font-size:9px}.course-info{padding:22px}.course-info h2,.course-info h3{margin-top:15px;margin-bottom:9px}.course-info p{font-size:12px;margin-bottom:23px}.course-card:nth-child(2n) .course-cover{background:#f0edff}.course-card:nth-child(2n) .code-glyph{color:#8d7acf}.course-card:nth-child(2n) .course-cover:after{background:#e2dcff}
/* Public pages and authentication */
.public-nav{max-width:1250px;padding:25px 35px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:20px}.public-links{gap:30px;font-size:14px;color:#6a7b90}.public-main{max-width:1250px;margin:auto;padding:55px 35px}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center;min-height:440px;margin-bottom:40px}.hero h1{font-size:clamp(40px,5vw,66px);line-height:1.07;margin:20px 0 26px}.hero p{max-width:470px;color:var(--muted);font-size:18px}.hero-art{background:#e1f1ff;border-radius:30px;padding:35px;transform:rotate(2deg)}.hero-code{background:#193754;color:#e5f1ff;padding:29px;border-radius:16px;font-family:monospace;box-shadow:12px 12px 0 #bfdefb}.hero-code .accent{color:#8acaff}.hero-badge{display:inline-block;padding:10px 17px;background:white;border-radius:10px;margin-top:20px;font-size:13px}.auth{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;background:#fff}.auth-art{background:#1688f8;color:#fff;padding:45px 60px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.auth-art .brand{color:white}.auth-art .brand-dot{color:#cce5ff}.auth-art>div{z-index:1}.auth-art h1{font-size:clamp(38px,4vw,62px);line-height:1.12}.auth-art p{font-size:14px;color:#d9edff}.auth-art small{color:#c7e4ff;position:relative;z-index:1}.auth-mentor{width:230px;align-self:flex-end;margin:-35px -15px -25px 0}.auth-form{padding:50px;display:flex;align-items:center;justify-content:center}.auth-form>div{width:100%;max-width:380px}.auth-form h1{font-size:35px;margin-bottom:15px}.auth-form form{margin-top:30px}.auth-form form label{font-size:12px;color:#627389}.auth-form>div>p{font-size:14px}.public-shell .content{max-width:1000px}.public-shell .topbar{display:none}
@media(min-width:1600px){.welcome-visual img{right:8%}.welcome-copy{padding-left:42px}.content{padding-top:34px}}
@media(max-width:1200px){.layout{grid-template-columns:204px minmax(0,1fr)}.content{padding:25px 24px 50px}.topbar{padding:0 24px}.dashboard-columns{grid-template-columns:minmax(0,1fr) 280px;gap:18px}.card{padding:20px}.dashboard-aside .card{padding:19px}.welcome-copy{padding:27px;max-width:67%}.welcome h1{font-size:30px}.welcome p{max-width:310px}.metric{gap:12px;padding:18px}.metric-icon{width:39px;height:39px}.grid{gap:16px}.auth-art{padding:40px}.list-row .button{font-size:11px}.dashboard-primary .grid.two{grid-template-columns:1fr}}
@media(max-width:1000px){.dashboard-columns,.grid.side{grid-template-columns:1fr}.dashboard-aside{display:grid;grid-template-columns:1fr 1fr;align-items:start}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.metrics{grid-template-columns:repeat(3,minmax(0,1fr))!important}.metric-icon{display:none}.dashboard-primary .grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.welcome-visual{width:38%}.welcome-visual img{right:-32%;height:110%;bottom:-8%}.welcome p{max-width:290px}.auth-mentor{width:190px}.auth-art h1{font-size:44px}}
@media(max-width:760px){.layout{display:block}.sidebar{height:auto;position:relative;padding:15px 18px;border-right:0;border-bottom:1px solid var(--line);overflow:visible}.sidebar-brand{display:flex;align-items:center;justify-content:space-between;padding:0}.brand{font-size:25px}.brand-mark{width:28px;height:32px}.sidebar .role,.sidebar-note{display:none}.menu-toggle{display:inline-flex;padding:6px 10px!important;font-size:20px!important}.sidebar nav{display:none;margin-top:15px;grid-template-columns:1fr 1fr;gap:5px}.sidebar.menu-open nav{display:grid}.sidebar nav a{font-size:12px;padding:10px}.sidebar nav a.active:before{display:none}.sidebar-bottom{display:none;padding-top:10px}.sidebar.menu-open .sidebar-bottom{display:block}.logout-button{width:auto}.topbar{height:72px;padding:0 18px;gap:12px}.top-search{max-width:220px;padding-left:10px;gap:6px}.top-search input{font-size:11px}.top-search>.icon{width:15px}.top-search button{padding:4px}.top-search button .icon{width:17px}.profile-text{display:none}.avatar{width:36px;height:36px;font-size:15px}.top-caption{font-size:12px}.content{padding:20px 18px 40px}.welcome{min-height:225px;border-radius:16px;margin-bottom:24px}.welcome-copy{padding:24px 22px;max-width:78%}.welcome h1{font-size:27px}.welcome-date{font-size:10px;margin-bottom:11px}.welcome p{font-size:12px;max-width:230px;margin-bottom:16px}.welcome-visual{width:38%;opacity:.95}.welcome-visual img{right:-100px;height:78%;bottom:-4%}.cloud-one{width:120px;left:-70px;top:-65px}.cloud-two{display:none}.welcome-link{font-size:11px}.section-heading h2{font-size:20px}.section-heading>.button{font-size:11px;padding:9px 12px}.section-heading>.text-link{font-size:11px}.metrics{gap:9px}.metric{padding:15px 12px;border-radius:12px}.metric .label{font-size:10px;min-height:30px}.metric .number{font-size:25px;margin-top:4px}.grid.two,.grid.three{grid-template-columns:1fr}.dashboard-primary .grid.two{grid-template-columns:1fr}.dashboard-aside{grid-template-columns:1fr}.dashboard-columns{gap:20px}.card{padding:20px;border-radius:14px}.course-card{padding:0}.page-head{flex-wrap:wrap;gap:15px;margin-bottom:23px}.page-head p{font-size:13px}.page-head .button{font-size:12px}.section-heading.compact h2{font-size:16px}.section-heading.compact .text-link{font-size:10px}.list-row{gap:10px;font-size:12px;flex-wrap:wrap}.lesson-summary{flex:1;min-width:180px}.list-row .button{padding:6px 9px}.date-box{min-width:44px;font-size:18px;padding:8px}.funnel{gap:5px}.funnel span{font-size:9px}.funnel strong{font-size:20px}.funnel>div{padding:0 5px}.revenue{font-size:11px}.table-wrap{margin:0 -5px}th,td{padding:12px 9px}.filter{flex-wrap:wrap}.filter input,.filter select{max-width:none;flex:1 1 150px}.filter button{flex:0 0 auto}.form-card{padding:23px}.lesson-body{font-size:15px}.code{padding:16px;font-size:13px}.banner{position:relative;padding:10px;font-size:11px;flex-wrap:wrap}.auth{display:block}.auth-art{padding:27px;min-height:210px}.auth-art>div{margin-top:22px}.auth-art h1{font-size:30px;max-width:250px}.auth-art p,.auth-art>small{display:none}.auth-mentor{position:absolute;right:5px;bottom:20px;width:170px;margin:0;opacity:.9}.auth-form{padding:35px 25px}.auth-form h1{font-size:30px}.hero{grid-template-columns:1fr;gap:35px}.hero-art{padding:24px}.public-nav{padding:18px}.public-nav .public-links{display:none}.public-main{padding:25px 20px}.hero-code{padding:20px;font-size:12px}.hero h1{font-size:44px}.hero p{font-size:16px}footer{padding:25px 20px}.calendar-days button{max-height:42px}.calendar-days{justify-items:center}.calendar-days button{max-width:42px}.mini-calendar{max-width:100%}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Single-outline clouds keep the banner light without overlapping strokes. */
.cloud{border:0;background:transparent url("images/cloud.svg") center/contain no-repeat;border-radius:0}.cloud:before,.cloud:after{display:none}.cloud-one{height:128px;top:-61px}.cloud-two{height:135px}
@media(max-width:760px){.welcome-visual img{height:auto;width:155px;right:-23px;bottom:-20px}.welcome p{max-width:195px}.cloud-one{top:-90px}.welcome-copy{max-width:85%}}

/* UX release 1: staff directory and focused learning flow. */
.program-course{margin-bottom:18px}
.program-versions{display:grid;gap:10px}
.program-version{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-top:1px solid var(--line)}
.program-lesson{border-top:1px solid var(--line);padding:13px 0}
.program-lesson:first-of-type{border-top:0}
.program-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.program-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.program-blocks{margin-top:10px;padding:10px 14px;background:#f6f9fd;border-radius:12px}
.program-blocks details{padding:7px 0}
.advanced-tools{margin:15px 0}.advanced-tools summary{cursor:pointer;font-weight:600}
.next-action{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-bottom:22px;border:1px solid #addaff;background:#f0f8ff}
.next-action h2{margin-bottom:8px}.next-action p{margin-bottom:0}
.lesson-progress{margin:12px 0 20px}.lesson-progress progress{width:100%;height:10px;accent-color:var(--blue);margin-top:12px}
.lesson-pager{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px}
@media(max-width:760px){.next-action,.program-version{align-items:flex-start;flex-direction:column}.lesson-pager{flex-wrap:wrap}.lesson-pager .button{padding:9px 12px}}

/* Course Builder v2: focused content editing, keyboard-accessible ordering controls. */
.builder-header{align-items:flex-start}
.builder-toolbar{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.builder-toolbar form{display:inline-flex;margin:0}
.builder-toolbar button{min-width:35px}
.builder-guide{background:#f1f8ff;border-color:#d8eafb;margin-bottom:22px}
.builder-guide h2,.builder-footer h2,.builder-publish h2{margin-bottom:9px}
.builder-guide p:last-child,.builder-publish p:last-child{margin:0}
.builder-notice{background:#fff9e8;border:1px solid #f1dea9;margin-bottom:18px}
.builder-notice p{margin:9px 0 14px}
.builder-outline{display:grid;gap:22px;margin-top:18px}
.builder-module{padding:25px}
.builder-module-head,.builder-block-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.builder-module-head h2{margin:4px 0 8px}
.builder-module-head p{margin:0 0 12px}
.builder-lessons{margin:16px 0 4px;padding:0;list-style:none}
.builder-lesson{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 0;border-top:1px solid var(--line)}
.builder-lesson-info{display:flex;align-items:flex-start;gap:12px;min-width:0}
.builder-lesson-info p{margin:5px 0;font-size:12px}
.builder-lesson-info small{font-size:11px;color:var(--muted)}
.builder-lesson-name{font-weight:650;font-size:14px}
.builder-number{flex:none;display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#e9f5ff;color:#177ddd;font-size:13px;font-weight:700}
.builder-empty{padding:18px;text-align:left;color:var(--muted);list-style:none}
.builder-compact-editor{margin:15px 0 5px;border-top:1px solid var(--line);padding-top:12px}
.builder-compact-editor summary{color:#1680dd;font-weight:650;display:inline-block;cursor:pointer}
.builder-inline-form{display:grid;gap:9px;max-width:700px;margin-top:15px}
.builder-inline-form label{margin:5px 0 -5px}
.builder-inline-form textarea{min-height:70px}
.builder-inline-form button,.builder-field button{justify-self:start;width:max-content}
.builder-module-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.builder-footer{margin-top:24px}.builder-publish{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:22px 0;background:#f6faff;border-color:#dceafa}
.builder-publish p{font-size:13px;max-width:570px}
.builder-blocks{display:grid;gap:13px}
.builder-block{padding:22px}
.builder-block-heading h3{margin:6px 0 10px}
.builder-block-body{line-height:1.7;white-space:normal;margin:13px 0}
.builder-code{background:#f2f6fc;border-radius:8px;padding:14px;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}
.builder-field{margin-bottom:22px}
.builder-field label{margin-bottom:8px}
.builder-field input[type=checkbox]{width:auto}
.builder-block-form .actions{border-top:1px solid var(--line);padding-top:20px}
@media(max-width:760px){
 .builder-module-head,.builder-block-heading,.builder-publish{flex-direction:column}
 .builder-lesson{align-items:flex-start;flex-direction:column}
 .builder-module,.builder-block{padding:18px}
 .builder-toolbar{justify-content:flex-start}
}

/* Teacher workspace v3 */
.teaching-steps{background:#f5faff;border:1px solid #dbe9fa;margin-bottom:18px}
.teaching-step-links{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 18px}
.teaching-step-links a{padding:9px 12px;background:#fff;border:1px solid #deebf7;border-radius:10px;font-size:12px}
.teaching-step-links a:hover{border-color:#1989fa}
.teaching-summary{display:flex;align-items:center;flex-wrap:wrap;gap:14px;font-size:12px;color:#637489}
.teaching-summary strong{color:#203e62}
.teaching-warning{margin:12px 0 0;padding:10px 12px;background:#fff7e8;border-radius:9px;color:#775724;font-size:12px}
.teaching-attendance-form{align-items:center;gap:7px;flex-wrap:wrap;min-width:220px}
.teaching-attendance-form select{min-width:150px}
.teaching-attendance-form .save-status{min-width:110px}
.teacher-review-row{align-items:center;gap:12px}
.teacher-answer-preview{white-space:pre-wrap;overflow-wrap:anywhere;max-width:600px;max-height:120px;overflow:hidden;font-size:12px;margin:8px 0}
.teacher-note{border-top:1px solid var(--line);padding:16px 0}
.teacher-note p{white-space:normal;overflow-wrap:anywhere;margin:0 0 6px}
.teacher-note small{color:var(--muted)}
@media(max-width:760px){.teacher-review-row{align-items:flex-start}.teaching-step-links a{width:100%}.teaching-attendance-form{min-width:0}}

/* Skillity release 4: responsive student lesson and beginner Python editor. */
.student-step{max-width:1040px}
.student-step .lesson-body{line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}
.student-hint{margin:16px 0;padding:15px 18px;border:1px solid #cde7fb;background:#f2f9ff;border-radius:12px}
.student-hint summary{cursor:pointer;color:#176cae;font-weight:700}
.student-hint p{margin:12px 0 0}
.learner-feedback{border-left:3px solid #278bd9;padding-left:14px;margin:16px 0}
.learner-feedback .code-output{max-height:280px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere}
.draft-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}
.draft-controls .draft-status{font-size:12px}
.python-editor{margin:10px 0 0;border-radius:13px;overflow:hidden;border:1px solid #ced9e9;background:#f6f9fd}
.python-toolbar{padding:10px 14px;display:flex;justify-content:space-between;gap:10px;font-size:12px;color:#526780;background:#eaf2fb;border-bottom:1px solid #d8e4f2}
.python-edit-area{display:flex;align-items:stretch;min-height:270px;overflow:hidden}
.python-gutter{flex:0 0 46px;overflow:hidden;white-space:pre;text-align:right;padding:15px 10px 15px 4px;background:#eef3fa;color:#7a8ea7;font:14px/1.6 ui-monospace,Consolas,monospace}
.python-source{flex:1;min-width:0;position:relative}
.python-input,.python-highlight{font:14px/1.6 ui-monospace,Consolas,monospace !important;letter-spacing:0;tab-size:4;white-space:pre;overflow:auto;margin:0;padding:15px 14px;border:0;border-radius:0;box-sizing:border-box;min-width:100%;width:100%;min-height:270px;line-height:1.6 !important}
.python-input{position:relative;resize:vertical;z-index:2;background:transparent;color:#233d5e;caret-color:#163e70;outline-offset:-3px}
.python-highlight{display:none}
.python-editor.enhanced .python-input{color:transparent !important;-webkit-text-fill-color:transparent;text-shadow:none;caret-color:#183f74}
.python-editor.enhanced .python-input::selection{background:#bdd7fa}
.python-editor.enhanced .python-highlight{display:block;pointer-events:none;position:absolute;inset:0;z-index:1;color:#253c56;overflow:hidden}
.python-highlight code{font:inherit;white-space:inherit}
.py-keyword{color:#6d45c5;font-weight:600}.py-function{color:#156eaa}.py-string{color:#17804e}.py-comment{color:#728198}.py-number{color:#b45c20}
.homework-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 2px;border-top:1px solid var(--line)}
.homework-row:first-child{border-top:0}
.homework-row h2{font-size:17px;margin:6px 0}
.homework-row p{font-size:13px;margin:0 0 6px}
.homework-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
@media(max-width:760px){
 .python-gutter{flex-basis:38px;padding:12px 8px 12px 0;font-size:13px}
 .python-input,.python-highlight{font-size:13px !important;padding:12px 10px;min-height:250px}
 .homework-row{align-items:flex-start;flex-direction:column}
 .homework-actions{justify-content:flex-start}
 .lesson-pager .button{font-size:12px}
}

/* UX Release 5: manager workspace and role-scoped CRM */
.manager-warning{background:#fff8e6;border:1px solid #f1d894;border-radius:12px;padding:14px 18px;color:#795b29}
.manager-finance-note{margin:18px 0 22px;background:#f3f9ff;border-color:#d9e7f5}
.manager-finance-note p{line-height:1.65;margin:8px 0 0;color:#516886;font-size:13px}
.manager-accordion{border-top:1px solid var(--line);padding:12px 0;margin:8px 0}
.manager-accordion summary{cursor:pointer;font-weight:600;color:#177de0}
.manager-accordion form{padding:12px 0 5px}
.manager-pay-action{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.manager-funnel{display:flex;flex-wrap:wrap;gap:12px;margin:14px 0 18px}
.manager-funnel a{flex:1;min-width:105px;display:flex;flex-direction:column;gap:8px;padding:16px;background:#f2f8ff;border:1px solid #dbeafa;border-radius:12px;text-decoration:none}
.manager-funnel strong{font-size:23px;color:#1d64ab}
.manager-funnel span{font-size:12px;color:#53708e}
.crm-filters{align-items:center}
.crm-payment-tabs{overflow-x:auto;white-space:nowrap}
.crm-board{display:flex;gap:14px;overflow-x:auto;padding:8px 2px 24px;scrollbar-width:thin;align-items:flex-start}
.crm-column{flex:0 0 245px;max-width:245px;border:1px solid var(--line);border-radius:12px;background:#f6f9fd;padding:12px}
.crm-column header{display:flex;gap:8px;align-items:center;justify-content:space-between;padding:3px 2px 12px}
.crm-cards{display:flex;flex-direction:column;gap:9px}
.crm-lead-card{display:flex;flex-direction:column;gap:6px;padding:14px;background:#fff;border:1px solid #dee7f2;border-radius:10px;color:inherit;text-decoration:none}
.crm-lead-card:hover{border-color:#288cda}
.crm-lead-card strong{font-size:14px}
.crm-lead-card span,.crm-lead-card small{font-size:12px;color:#6d7f94}
.crm-lead-card .text-link{color:#177ddc}
.crm-next-action{background:#f1f8ff;border-color:#cfdef1;display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 18px}
.crm-next-action p{margin:6px 0 0}
.manager-wizard-intro{background:#f2f8ff;border-color:#d2e7fa;margin-bottom:20px}
.manager-wizard-intro p{margin:14px 0 0}
.manager-wizard-steps{display:flex;gap:20px;flex-wrap:wrap;margin:16px 0}
.manager-wizard-steps div{display:flex;align-items:center;gap:10px}
.manager-wizard-steps strong{border-radius:50%;width:30px;height:30px;display:grid;place-items:center;background:#178ce1;color:#fff}
.manager-wizard-steps span{font-size:13px}
.manager-convert-form{max-width:900px}
.manager-convert-form .builder-field{margin:13px 0 19px}
.manager-convert-form label{font-weight:600}
@media(max-width:760px){
.crm-next-action{align-items:flex-start;flex-direction:column}
.crm-column{flex-basis:230px;max-width:230px}
.manager-funnel a{min-width:120px}
.manager-pay-action{justify-content:flex-start}
}


/* Skillity Interactive Lessons: semantic block legend and readable theory. */
.skillity-block-legend{margin:16px 0 20px;border:1px solid #dce7f2;border-radius:14px;background:#f9fbff;padding:14px 18px}
.skillity-block-legend summary{cursor:pointer;font-weight:750;color:#24476c}
.legend-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;padding:16px 0 3px}
.legend-grid>div{display:grid;grid-template-columns:42px 1fr;grid-template-rows:auto auto;gap:1px 10px;align-items:center}
.legend-grid .legend-icon{grid-row:span 2;display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:#fff5c8;font-size:22px}
.legend-grid strong{font-size:13px;color:#263b57}
.legend-grid small{font-size:11px;color:#72819a}
.skillity-step-important,.skillity-step-extra,.skillity-step-pep8,.skillity-step-debug,.skillity-step-task{border-left:5px solid transparent}
.skillity-step-important{border-left-color:#ffb329;background:linear-gradient(100deg,#fff9e8,#fff 65%)}
.skillity-step-extra{border-left-color:#639fee;background:linear-gradient(100deg,#f3f8ff,#fff 65%)}
.skillity-step-pep8{border-left-color:#7b8cf0;background:linear-gradient(100deg,#f5f5ff,#fff 65%)}
.skillity-step-debug{border-left-color:#47b989;background:linear-gradient(100deg,#f0fbf6,#fff 65%)}
.skillity-step-task{border-left-color:#268dec}
.skillity-step-label{display:flex;gap:7px;align-items:center}
.skillity-step-label span{font-size:19px}
.skillity-rich-text{line-height:1.8;overflow-wrap:anywhere;white-space:normal!important}
.skillity-rich-text p{margin:.4em 0 1em}
.skillity-rich-text h3{font-size:20px;margin:1.1em 0 .55em}
.skillity-rich-text h4{font-size:16px;margin:1.0em 0 .4em}
.skillity-rich-text li{margin:.35em 0}
.skillity-rich-text ul{padding-left:24px;margin:.6em 0 1em}
.skillity-rich-text code{background:#ecf3fb;border:1px solid #d9e6f5;border-radius:5px;padding:2px 5px;font:0.93em ui-monospace,Consolas,monospace;color:#205a8b}
.skillity-rich-text a{color:#157cce;text-decoration:underline}
.skillity-figure{margin:20px 0;padding:0;text-align:center}
.skillity-figure img{max-width:100%;height:auto;border-radius:12px;border:1px solid #e1e9f3}
.skillity-figure figcaption{margin:6px 0;font-size:12px;color:#6a7b91}
.skillity-builder-tip{margin:12px 0 22px;background:#f2f9ff;border-color:#dbeafe}
.skillity-builder-tip p{font-size:13px;line-height:1.65;margin:9px 0 0}
.skillity-lesson-stage.presentation-mode{position:fixed;inset:0;z-index:8000;overflow:auto;background:#f4f8ff;padding:32px max(24px,calc((100vw - 1030px)/2));overscroll-behavior:contain}
.presentation-mode .presentation-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:20px}
.presentation-mode .student-step{max-width:none;min-height:42vh;padding:44px 48px;border-radius:22px;box-shadow:0 14px 40px #1f426017}
.presentation-mode .student-step h2{font-size:clamp(25px,3vw,38px)}
.presentation-mode .skillity-rich-text{font-size:clamp(18px,1.75vw,24px)}
.presentation-mode .lesson-progress{margin-bottom:10px}
.presentation-mode .skillity-block-legend{margin:10px 0}
.presentation-mode .lesson-pager{padding:20px 0 32px}
.presentation-mode .student-answer-form{pointer-events:none}
@media(max-width:760px){.skillity-lesson-stage.presentation-mode{padding:14px}.presentation-mode .student-step{padding:22px 18px}.presentation-mode .presentation-controls{flex-wrap:wrap}.legend-grid{grid-template-columns:1fr 1fr}.skillity-rich-text h3{font-size:17px}}
@media(prefers-reduced-motion:reduce){.skillity-lesson-stage *{scroll-behavior:auto}}

/* Admin student-preview: student learning surface without admin sidebar. */
.student-preview-shell .layout{grid-template-columns:minmax(0,1fr)}
.student-preview-shell .sidebar{display:none}
.student-preview-shell .content{max-width:1200px}
.student-preview-shell .topbar{padding-inline:clamp(18px,4vw,56px)}
@media(max-width:760px){.student-preview-shell .topbar{gap:10px}.student-preview-shell .top-caption{font-size:12px}}


/* Skillity Study Reader · Stepik-inspired structure, Skillity visual identity.
   Shared by real students and ADMIN "view as student"; no functional overrides. */
.skillity-course-layout{--study-border:#e4eaf1;display:grid;grid-template-columns:minmax(225px,280px) minmax(0,1fr);gap:34px;align-items:start;max-width:1300px;margin:3px auto 35px}
.skillity-course-sidebar{position:sticky;top:22px;align-self:start;max-height:calc(100vh - 42px);overflow-y:auto;scrollbar-width:thin}
.skillity-course-aside-inner{background:#fff;border:1px solid var(--study-border);border-radius:18px;padding:26px 24px;box-shadow:var(--shadow)}
.skillity-course-avatar{width:66px;height:66px;display:grid;place-items:center;font-size:35px;border-radius:18px;background:linear-gradient(145deg,#e8f7ff,#dbf2e8);margin:0 0 22px}
.skillity-course-title{font-size:clamp(22px,2vw,28px);line-height:1.2;margin:0 0 10px}
.skillity-course-sidebar p.muted{font-size:12px;line-height:1.55;margin-bottom:20px}
.skillity-aside-progress{border-top:1px solid var(--study-border);padding-top:18px;display:grid;gap:8px}
.skillity-aside-progress strong{color:#277859;font-size:13px}
.skillity-aside-progress progress{width:100%;height:9px;accent-color:#49bb77}
.skillity-aside-progress small{font-size:11px;color:#738398}
.skillity-course-side-actions{margin:20px 0}.skillity-course-side-actions .button{width:100%;font-size:13px}
.skillity-side-title{font-size:13px;color:#778296;text-transform:uppercase;letter-spacing:.11em;border-top:1px solid var(--study-border);padding-top:21px;margin:26px 0 10px}
.skillity-course-toc{display:grid;gap:5px}
.skillity-course-toc a{display:flex;align-items:flex-start;gap:10px;padding:10px 9px;color:#435875;font-size:13px;line-height:1.45;border-radius:9px}
.skillity-course-toc a span{color:#208be8;font-size:11px;font-weight:750;min-width:23px;margin-top:2px}
.skillity-course-toc a:hover,.skillity-course-toc a:focus-visible{background:#eaf5ff;color:#166eb8}
.skillity-course-main{min-width:0}
.skillity-syllabus-heading{margin:10px 0 24px}.skillity-syllabus-heading h2{font-size:clamp(27px,3vw,36px);margin:2px 0 10px}
.skillity-syllabus-heading p{font-size:14px;color:#66778e;max-width:72ch;line-height:1.7}
.skillity-syllabus-stack{display:grid;gap:25px}
.skillity-syllabus-module{overflow:hidden;background:#fff;border:1px solid #e0e7ee;border-left:5px solid #52bd81;border-radius:14px;box-shadow:var(--shadow);scroll-margin-top:20px}
.skillity-syllabus-module-head{padding:23px 25px 20px;border-bottom:1px solid #eaf0f5}
.skillity-module-kicker{color:#24855b;text-transform:uppercase;letter-spacing:.1em;font-size:11px;font-weight:800;margin-bottom:8px}
.skillity-module-kicker span{color:#8b98a7;letter-spacing:0;text-transform:none;font-weight:550}
.skillity-syllabus-module-head h3{font-size:clamp(19px,2vw,24px);margin:0 0 8px;color:#263349}
.skillity-syllabus-module-head p{margin:0;color:#697990;font-size:13px;line-height:1.7}
.skillity-syllabus-lessons{padding:0 20px 1px}
.skillity-syllabus-lesson{display:flex;gap:18px;align-items:center;border-top:1px solid #e7edf2;padding:15px 6px;min-height:78px}
.skillity-syllabus-lesson:first-child{border-top:0}
.skillity-lesson-square{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;border-radius:9px;background:#eef4fb;border:1px solid #e0e8f2;color:#7190b0;font-weight:800;font-size:16px}
.skillity-lesson-square.is-done{background:#59c777;color:#fff;border-color:#59c777}
.skillity-lesson-summary{min-width:0;flex:1}
.skillity-lesson-summary strong{display:block;color:#304158;font-size:14px;font-weight:650;line-height:1.5}
.skillity-lesson-summary p{color:#7b899a;font-size:12px;margin:3px 0 0;line-height:1.5}
.skillity-lesson-summary small{display:block;margin-top:4px}
.skillity-lesson-meta{display:flex;align-items:center;justify-content:flex-end;gap:15px;flex-shrink:0}
.skillity-progress-pill{font-size:11px;padding:5px 9px;border-radius:8px;background:#edf4fd;color:#52769a;white-space:nowrap}
.skillity-progress-pill.is-done{background:#e7f8ed;color:#298255}
.skillity-progress-pill.is-locked{background:#f1f3f7;color:#8390a1}
.skillity-lesson-open{color:#1677c8;font-weight:700;font-size:12px;white-space:nowrap}
.skillity-lesson-open:hover{text-decoration:underline}
.skillity-empty-module{padding:15px;color:#9aabbf;font-size:13px}
.skillity-learning-layout{display:grid;grid-template-columns:minmax(195px,255px) minmax(0,1fr);gap:27px;align-items:start;max-width:1320px;margin:0 auto}
.skillity-learning-sidebar{position:sticky;top:15px;max-height:calc(100vh - 26px);min-width:0;overflow-y:auto;scrollbar-width:thin;border:1px solid #e2eaf3;border-radius:15px;background:#fff;box-shadow:var(--shadow);padding:21px 17px}
.skillity-learning-sidebar-top{padding:2px 5px 15px;border-bottom:1px solid #ebf0f6}
.skillity-learning-sidebar-top h2{font-size:19px;margin:0 0 5px}
.skillity-learning-sidebar-top small{font-size:12px;line-height:1.4;display:block}
.skillity-learning-sidebar .lesson-progress{margin:18px 5px;padding:0 0 16px;border-bottom:1px solid #ebf0f6}
.skillity-learning-sidebar .lesson-progress .row{gap:10px;align-items:flex-start}
.skillity-learning-sidebar .lesson-progress strong{font-size:11px;color:#42546c}
.skillity-learning-sidebar .lesson-progress span{font-size:11px;color:#318054}
.skillity-learning-sidebar progress{width:100%;height:8px;accent-color:#4cbd7b;margin-top:9px}
.skillity-step-index{display:grid;gap:2px}
.skillity-step-index-link{display:flex;gap:11px;align-items:flex-start;min-height:42px;padding:9px 8px;border-radius:9px;color:#64758a;font-size:12px;line-height:1.45}
.skillity-step-index-link:hover{background:#edf5fe;color:#1f6fae}
.skillity-step-index-link.active{background:#e7f3ff;color:#156fb5;font-weight:750}
.skillity-step-number{display:grid;place-items:center;flex:none;width:24px;height:24px;border-radius:7px;border:1px solid #dce7f2;color:#8192a6;background:#f8fbff;font-size:11px;font-weight:800}
.skillity-step-index-link.done .skillity-step-number{background:#51bf76;border-color:#51bf76;color:#fff}
.skillity-step-index-link.active .skillity-step-number{border-color:#68aafa;color:#177bd4;background:#fff}
.skillity-step-name{padding-top:3px;min-width:0;overflow-wrap:anywhere}
.skillity-learning-main{min-width:0}
.skillity-reading-meta{display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:11px;color:#7590a9;font-weight:650;padding:5px 2px 15px}
.skillity-read-breadcrumb{text-transform:uppercase;letter-spacing:.09em}
.skillity-reading-card{max-width:none;min-width:0;background:#fff;border:1px solid #e4eaf1;border-radius:16px;padding:clamp(21px,3vw,42px);box-shadow:0 12px 42px #263b5208}
.skillity-reading-card .skillity-reader-label{letter-spacing:.08em;color:#4188c2;margin-bottom:9px}
.skillity-reading-card h2{font-size:clamp(25px,2.4vw,32px);margin:4px 0 24px;color:#253247}
.skillity-reading-card .skillity-article-body{font-size:clamp(15px,1.25vw,17px);line-height:1.8;color:#30415a;max-width:none;white-space:normal;overflow:visible}
.skillity-article-body p{margin:0 0 1.1em}
.skillity-article-body h3{font-size:clamp(20px,1.7vw,24px);margin:1.7em 0 .7em;color:#26334c;font-weight:750}
.skillity-article-body h4{font-size:17px;margin:1.4em 0 .5em;color:#334c6a}
.skillity-article-body ul,.skillity-article-body ol{margin:0 0 1.3em;padding-left:1.5em}
.skillity-article-body li{padding:2px 0 4px 2px}
.skillity-article-body blockquote{margin:21px 0;padding:18px 22px;background:#f1f8ff;border-left:4px solid #70b6f2;border-radius:0 12px 12px 0;font-size:.96em;color:#3f5d78}
.skillity-article-body hr{border:0;border-top:1px solid #ebf0f5;margin:24px 0}
.skillity-article-break{height:1px;background:#e9eff6;margin:30px 0 24px}
.skillity-code-example{margin:22px 0 28px;border:1px solid #dbe6f0;border-radius:13px;overflow:hidden;background:#13253b}
.skillity-code-caption{padding:10px 17px;background:#eaf3fb;color:#456e95;font-size:11px;font-weight:800;letter-spacing:.09em}
.skillity-code-example pre{margin:0;background:#13253b;color:#e4f2ff;padding:20px 22px;overflow:auto;white-space:pre;line-height:1.75;tab-size:4}
.skillity-code-example code{background:none!important;border:0!important;color:inherit!important;padding:0!important;font:13px/1.7 ui-monospace,Consolas,monospace;white-space:pre}
.skillity-learning-main .skillity-block-legend{margin:0 0 20px}
.skillity-task-card{margin-top:10px;background:#f8fbff;border:1px solid #deeaf6;border-radius:15px;overflow:hidden;padding:0 22px 23px}
.skillity-task-card-head{display:flex;gap:13px;align-items:center;padding:17px 0;border-bottom:1px solid #dfebf5;margin-bottom:19px}
.skillity-task-icon{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:11px;background:#e8f4ff;font-size:21px}
.skillity-task-card-head strong{font-size:16px;color:#293e58}
.skillity-task-card-head p{font-size:12px;color:#71839b;margin:4px 0 0}
.skillity-task-card label{font-weight:750;color:#40546e;margin:0 0 10px}
.skillity-task-card select,.skillity-task-card textarea:not(.python-input){background:#fff;border:1px solid #d8e5f3}
.skillity-task-card select{min-height:50px}
.skillity-task-card textarea:not(.python-input){line-height:1.7;padding:14px}
.skillity-submit-bar{display:flex;align-items:center;justify-content:flex-end;margin-top:22px}
.skillity-submit-bar .button{min-width:170px}
.skillity-learning-main .lesson-pager{display:flex;justify-content:space-between;gap:12px;padding:20px 0 35px}
.skillity-learning-main .lesson-pager .button{min-width:150px}
.skillity-learning-main .learner-feedback{border-radius:12px;border:1px solid #cddfea;border-left:5px solid #388fca;background:#f2f9ff;padding:15px 18px;margin:15px 0}
.skillity-learning-main .learner-feedback .code-output{background:#fff;color:#34495d;margin:9px 0 0;padding:14px}
.skillity-reading-card .python-editor{border:1px solid #cddae8;border-radius:14px;box-shadow:0 5px 16px #2037520d}
.skillity-reading-card .python-toolbar{background:#e8f1fb;padding:13px 17px}
.skillity-reading-card .python-edit-area{min-height:300px}
.skillity-reading-card .python-input,.skillity-reading-card .python-highlight{min-height:300px}
.skillity-reading-card .student-hint{margin:18px 0}
.skillity-preview-banner{background:#effaf4;border-color:#cce9d6}
.skillity-course-layout :is(a,button):focus-visible,.skillity-learning-layout :is(a,button,textarea,select):focus-visible{outline:3px solid #71b8ff;outline-offset:3px}
.presentation-mode .skillity-learning-layout{display:block;max-width:none}
.presentation-mode .skillity-learning-sidebar{display:none}
.presentation-mode .skillity-reading-card{max-width:1100px;margin:0 auto}
@media(max-width:1100px){.skillity-course-layout{gap:22px;grid-template-columns:minmax(195px,240px) minmax(0,1fr)}.skillity-learning-layout{gap:18px;grid-template-columns:minmax(170px,210px) minmax(0,1fr)}}
@media(max-width:800px){
 .skillity-course-layout,.skillity-learning-layout{display:flex;flex-direction:column;gap:18px}
 .skillity-course-sidebar,.skillity-learning-sidebar{position:static;overflow:visible;max-height:none;width:100%}
 .skillity-course-aside-inner{padding:21px}
 .skillity-course-toc{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
 .skillity-learning-sidebar{padding:15px;width:100%}
 .skillity-step-index{display:flex;overflow-x:auto;gap:7px;padding:8px 2px;scrollbar-width:thin}
 .skillity-step-index-link{flex:0 0 auto;width:175px;border:1px solid #e0e8f2;min-height:52px;align-items:center}
 .skillity-reading-card{padding:21px}
 .skillity-reading-meta{width:100%;flex-wrap:wrap}
 .skillity-syllabus-module-head{padding:20px}
 .skillity-syllabus-lessons{padding:0 14px}
}
@media(max-width:550px){
 .skillity-syllabus-lesson{gap:9px;flex-wrap:wrap}
 .skillity-lesson-square{flex-basis:34px;width:34px;height:34px}
 .skillity-lesson-summary{flex-basis:calc(100% - 49px)}
 .skillity-lesson-meta{width:100%;justify-content:flex-end;padding-left:43px}
 .skillity-syllabus-module{border-left-width:4px}
 .skillity-task-card{padding:0 13px 18px}
 .skillity-task-card-head{gap:9px}
 .skillity-reading-card{padding:17px;border-radius:13px}
 .skillity-course-sidebar{width:100%}
 .skillity-learning-main .lesson-pager{flex-wrap:wrap}
 .skillity-learning-main .lesson-pager>div{flex:1;min-width:130px}
 .skillity-learning-main .lesson-pager .button{width:100%;min-width:0}
}


/* 2026-10-25 Course outline in learning reader. Entire course on left,
   lesson steps as a top horizontal track, with independently scrollable theory. */
.study-focus-shell .layout{display:block;min-height:100vh}
.study-focus-shell .sidebar{display:none}
.study-focus-shell .main{width:100%;min-width:0;max-width:none}
.study-focus-shell .content{width:100%;max-width:1600px;margin:0 auto;padding-inline:clamp(15px,2.3vw,40px)}
.skillity-learning-layout{grid-template-columns:minmax(255px,315px) minmax(0,1fr);gap:22px;max-width:1540px;transition:grid-template-columns .2s ease}
.skillity-learning-sidebar.skillity-course-outline{top:12px;max-height:calc(100vh - 24px);padding:18px 12px}
.skillity-course-outline h2{font-size:17px;margin-bottom:7px;overflow-wrap:anywhere}
.skillity-course-tree{display:grid;gap:8px;padding-top:14px}
.skillity-course-tree-module{border:1px solid #e3ebf4;border-radius:11px;overflow:hidden;background:#fff}
.skillity-course-tree-module>summary{display:flex;align-items:center;gap:9px;padding:12px 10px;cursor:pointer;background:#f6f9fd;color:#39526e;list-style:none}
.skillity-course-tree-module>summary::-webkit-details-marker{display:none}
.skillity-course-tree-module>summary:hover{background:#eaf5ff}
.skillity-course-tree-icon{flex:none}
.skillity-course-tree-heading{font-size:12px;font-weight:750;line-height:1.45;overflow-wrap:anywhere;flex:1}
.skillity-course-tree-caret{color:#768da5;transition:transform .18s}
.skillity-course-tree-module[open] .skillity-course-tree-caret{transform:rotate(180deg)}
.skillity-course-tree-lessons{padding:6px}
.skillity-course-tree-lesson{display:flex;align-items:flex-start;gap:9px;border-radius:8px;padding:10px 7px;color:#536780;font-size:12px;line-height:1.45;overflow-wrap:anywhere}
a.skillity-course-tree-lesson:hover{background:#ecf5fe;color:#166da9}
.skillity-course-tree-lesson.active{background:#e6f3ff;color:#1168ac;font-weight:750}
.skillity-course-tree-lesson.done .skillity-course-tree-state{background:#49b978;color:white;border-color:#49b978}
.skillity-course-tree-lesson.is-locked{color:#9baabd}
.skillity-course-tree-state{display:grid;place-items:center;width:22px;height:22px;flex:0 0 22px;border:1px solid #dbe5ef;border-radius:7px;color:#69829d;background:#f7faff;font-weight:800;font-size:11px}
.skillity-course-tree-lesson.active .skillity-course-tree-state{border-color:#78b9eb;background:#fff;color:#1476bd}
.skillity-learning-layout.outline-collapsed{grid-template-columns:minmax(0,1fr)}
.skillity-learning-layout.outline-collapsed>.skillity-course-outline{display:none}
.skillity-lesson-toolbar{display:flex;align-items:center;gap:15px;min-width:0;margin:0 0 17px}
.skillity-lesson-location{font-size:13px;color:#617990;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.skillity-lesson-location>span{padding:0 6px;color:#a7b5c5}
.skillity-outline-toggle{flex-shrink:0;min-height:40px}
.skillity-learning-main .skillity-top-progress{padding:13px 17px;border:1px solid #e2ebf5;border-radius:12px;margin:0 0 17px;background:#fff}
.skillity-top-progress .row{display:flex;gap:12px;justify-content:space-between;color:#526980;font-size:13px}
.skillity-top-progress progress{accent-color:#51bd79;width:100%;margin-top:10px;height:8px}
.skillity-steps-toolbar{display:flex;overflow-x:auto;gap:8px;padding:3px 2px 14px;margin-bottom:12px;scrollbar-width:thin;scroll-snap-type:x proximity}
.skillity-step-chip{display:flex;gap:9px;align-items:center;flex:0 0 auto;max-width:225px;min-height:46px;padding:8px 12px;border:1px solid #dfe8f2;background:#fff;color:#667993;border-radius:11px;font-size:12px;scroll-snap-align:start;transition:background .15s ease}
.skillity-step-chip:hover{background:#eaf5ff;border-color:#a5cfff;color:#116dad}
.skillity-step-chip.active{border-color:#69adf0;background:#e6f3ff;color:#166caf;font-weight:750}
.skillity-step-chip.done{border-color:#b6dfc4}
.skillity-step-chip-number{display:grid;place-items:center;width:25px;height:25px;flex:0 0 25px;border-radius:8px;background:#eff4fa;color:#6c829a;font-weight:800}
.skillity-step-chip.done .skillity-step-chip-number{background:#51c078;color:#fff}
.skillity-step-chip-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.skillity-completion-status{display:block;background:#e8f7ee;border-color:#bfebd0;color:#25694a;padding:16px 18px}
.skillity-completion-status strong{font-weight:800}
.skillity-completion-output{border-top:1px solid #c7e8d4;margin-top:13px;padding-top:11px}
.skillity-completion-output strong{display:block;margin-bottom:9px;font-size:12px}
.skillity-completion-output .code-output{background:#fff;border:1px solid #dcefe4;color:#344b3c;border-radius:10px;padding:12px;white-space:pre-wrap;overflow:auto}
.presentation-mode .skillity-course-outline{display:none}
.presentation-mode .skillity-learning-layout{grid-template-columns:minmax(0,1fr)}
.presentation-mode .skillity-lesson-toolbar{display:none}
.presentation-mode .skillity-steps-toolbar{max-width:1100px;margin-inline:auto}
@media(max-width:950px){
 .skillity-learning-layout{display:block;position:relative}
 .skillity-learning-sidebar.skillity-course-outline{display:none}
 .skillity-learning-layout.outline-expanded>.skillity-course-outline{display:block;position:fixed;z-index:5010;top:0;bottom:0;left:0;width:min(355px,calc(100vw - 42px));max-height:none;overflow-y:auto;border-radius:0 14px 14px 0;box-shadow:14px 0 38px #14274155}
 .skillity-outline-backdrop{display:none}
 .skillity-learning-layout.outline-expanded>.skillity-outline-backdrop{display:block;position:fixed;inset:0;z-index:5009;border:0;border-radius:0;background:#122b4270;width:100%;height:100%;cursor:pointer}
 .skillity-learning-layout.outline-expanded .skillity-learning-main{position:relative}
 .skillity-step-chip{max-width:180px}
 .skillity-lesson-location{font-size:12px}
}
@media(max-width:550px){
 .skillity-lesson-toolbar{flex-wrap:wrap;gap:8px}
 .skillity-outline-toggle{width:auto}
 .skillity-lesson-location{max-width:100%}
 .skillity-steps-toolbar{padding-bottom:10px}
 .skillity-step-chip{min-width:72px;max-width:162px}
 .skillity-learning-main .skillity-top-progress{padding:11px 12px}
}
@media(prefers-reduced-motion:reduce){.skillity-step-chip,.skillity-course-tree-caret,.skillity-learning-layout{transition:none}}

/* Desktop must never show the mobile overlay control. */
.skillity-outline-backdrop{display:none}
@media(max-width:950px){.skillity-learning-layout.outline-expanded>.skillity-outline-backdrop{display:block}}


/* Patch 03 — compact, role-aware sidebar sections and CRM workspace. */
.sidebar nav#workspace-nav{display:block}
.workspace-nav-section{margin:4px 0 7px;padding:0;border:0;border-radius:11px;background:#fff}
.workspace-nav-heading{display:flex;justify-content:space-between;gap:10px;align-items:center;list-style:none;cursor:pointer;border-radius:9px;padding:11px 11px;color:#7c8ba1;text-transform:uppercase;letter-spacing:.085em;font-size:10px;font-weight:800}
.workspace-nav-heading::-webkit-details-marker{display:none}
.workspace-nav-heading:hover,.workspace-nav-heading:focus-visible{background:#eff6ff;color:#247bd2}
.workspace-nav-heading span{font-size:15px;font-weight:700;line-height:1;transition:transform .15s}
.workspace-nav-section[open] .workspace-nav-heading span{transform:rotate(180deg)}
.workspace-nav-links{display:grid;gap:3px;padding:0 0 6px 5px}
.sidebar .workspace-nav-links a{padding:9px 11px;font-size:12px}
.sidebar #workspace-nav>a{margin-bottom:8px}
.crm-workspace-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 23px;padding:10px;background:#f3f7fc;border:1px solid #e2ebf4;border-radius:14px}
.crm-workspace-tabs a{padding:10px 12px;border-radius:9px;color:#536783;font-size:12px;font-weight:650;white-space:nowrap}
.crm-workspace-tabs a:hover,.crm-workspace-tabs a:focus-visible{color:#1177c9;background:#e5f2ff}
.crm-workspace-tabs a.active{background:#fff;color:#137ad2;box-shadow:0 3px 12px #20384f10}
.admin-workspace-shortcuts{display:grid;gap:16px;margin-bottom:24px;background:#f9fcff}
.admin-workspace-shortcuts h2{margin:6px 0 8px}
.admin-shortcut-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.admin-shortcut-grid a{display:grid;align-content:start;gap:9px;padding:17px;border:1px solid #e0eaf5;border-radius:13px;background:#fff;color:#2e4863;min-width:0}
.admin-shortcut-grid a:hover{background:#eef7ff;border-color:#afd9ff}
.admin-shortcut-grid strong{font-size:14px}
.admin-shortcut-grid span{font-size:12px;line-height:1.6;color:#74859a}
.admin-shortcut-grid small{font-size:11px;font-weight:750;color:#167ed2;margin-top:6px}
.builder-lesson-edit{margin:11px 0 4px;padding:13px 17px;border:1px solid #dde9f5;border-radius:12px;background:#f7fbff}
.builder-lesson-edit summary{color:#2b74b4;font-size:13px}
.builder-lesson-edit[open]{background:#f3f9ff}
.builder-lesson-edit .builder-inline-form{max-width:950px;display:block;margin-top:15px}
.builder-lesson-edit .builder-inline-form textarea{min-height:100px;font-size:13px;line-height:1.6}
.builder-body-edit .builder-inline-form textarea{min-height:260px;font:13px/1.7 ui-monospace,Consolas,monospace}
.builder-edit-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.builder-lesson-settings textarea{min-height:96px}
@media(max-width:940px){.admin-shortcut-grid{grid-template-columns:1fr}.crm-workspace-tabs{gap:4px}.crm-workspace-tabs a{padding:9px 10px}}


/* Patch 04 — lesson authoring palette, live reader preview and teaching checklist. */
.skillity-block-authoring{max-width:1120px}
.skillity-block-picker{border:1px solid #deebf7;background:#f8fbff;border-radius:15px;padding:20px;margin:0 0 20px;min-width:0}
.skillity-block-picker legend{padding:0 8px;color:#30445d;font-size:15px;font-weight:750}
.skillity-block-kind-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.skillity-block-kind{border:1px solid #e3ebf4;border-radius:11px;background:#fff;padding:14px;min-width:0}
.skillity-block-kind-title{display:block;font-size:12px;font-weight:800;color:#445e7b;margin:0 0 12px}
.skillity-block-kind-actions{display:flex;flex-wrap:wrap;gap:8px}
.skillity-block-kind-actions button{border:1px solid #d5e4f1;background:#f4f8fd;color:#3d5d79;box-shadow:none;font-size:12px;padding:9px 12px}
.skillity-block-kind-actions button:hover{background:#e8f4ff;color:#186eac}
.skillity-block-kind-actions button.active,.skillity-block-kind-actions button[aria-pressed="true"]{background:#207fd5;color:#fff;border-color:#207fd5}
.skillity-extra-types{padding:12px 0 0;margin:16px 0 0;border-top:1px solid #e6edf5;font-size:12px}
.skillity-extra-types summary{font-size:12px;color:#687f97}
.skillity-editor-help{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-top:9px;font-size:11px;color:#7d8ea2}
.skillity-editor-help .small{margin:0}
.skillity-block-authoring .builder-field[data-field="body"] textarea{min-height:310px;font:13px/1.75 ui-monospace,Consolas,monospace}
.skillity-theory-preview{margin:17px 0 23px;border:1px solid #dde9f4;border-radius:14px;background:#fff;overflow:hidden;min-width:0}
.skillity-theory-preview-header{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;background:#f1f7fe;border-bottom:1px solid #e0eaf4;padding:12px 17px;font-size:12px;color:#355975}
.skillity-theory-preview [data-preview-content]{max-height:540px;overflow:auto;padding:18px 22px;font-size:14px;line-height:1.8;color:#34485d}
.skillity-theory-preview [data-preview-content]>*:last-child{margin-bottom:0}
.skillity-theory-preview [data-preview-content] h3{font-size:20px;margin:17px 0 8px}
.skillity-theory-preview [data-preview-content] pre{max-width:100%;overflow:auto}
.skillity-session-readiness{margin:0 0 25px;background:#fbfdff}
.skillity-session-readiness h2{margin:6px 0 8px;font-size:22px}
.skillity-readiness-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:18px}
.skillity-readiness-item{display:grid;align-content:start;gap:8px;padding:16px 12px;border:1px solid #e1eaf4;border-radius:12px;background:white;color:#3d5672;min-width:0}
.skillity-readiness-item:hover,.skillity-readiness-item:focus-visible{border-color:#86bded;background:#f1f8ff}
.skillity-readiness-item strong{font-size:12px}
.skillity-readiness-item span{color:#677d95;font-size:12px;line-height:1.55}
.skillity-readiness-item small{font-size:11px;color:#1884d8;font-weight:700;margin-top:auto}
.skillity-readiness-item.is-ready{border-color:#bde6cb;background:#f5fcf7}
.skillity-ready-note{margin:13px 0 0;background:#e8f7ef;border-radius:9px;padding:11px 14px;font-size:12px;color:#27764d}
.skillity-ready-note.warning{background:#fff6e9;color:#9b6835}
@media(max-width:1150px){.skillity-readiness-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){.skillity-block-kind-groups{grid-template-columns:1fr}.skillity-readiness-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.skillity-theory-preview [data-preview-content]{padding:15px}}
@media(max-width:430px){.skillity-readiness-grid{grid-template-columns:1fr}}


/* Patch 05: learner continuation, real progress, private project portfolio. */
.student-resume-card{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px;background:linear-gradient(110deg,#f0f9ff,#f4fcf6);border:1px solid #cde5f5}
.student-resume-card>div{max-width:690px}
.student-resume-card h2{margin:8px 0 10px}
.student-resume-card .button{flex-shrink:0}
.student-progress-dashboard{margin:15px 0 18px}
.student-progress-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.student-progress-mini{display:grid;grid-template-columns:1fr auto;gap:10px;color:#34506e;border:1px solid #e0ebf4;border-radius:12px;padding:17px}
.student-progress-mini:hover{border-color:#7bbaea;background:#f5faff}
.student-progress-mini strong{font-size:13px}
.student-progress-mini span{font-size:16px;color:#248e64;font-weight:800}
.student-progress-mini small{grid-column:1/-1;color:#7890a4;font-size:11px}
.student-progress-mini progress{grid-column:1/-1;width:100%;height:9px;accent-color:#47bd7a}
.student-project-shortcut{display:flex;justify-content:flex-end;margin-bottom:21px}
.course-progress-card{overflow:hidden}
.course-progress-card .student-course-metrics{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px;margin:18px 0 8px}
.course-progress-card .student-course-metrics strong{color:#258459}
.course-progress-card .student-course-metrics small{color:#7c8da3}
.course-progress-card progress{width:100%;height:9px;accent-color:#43bb77}
.course-progress-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:17px 0 0}
.course-progress-actions .button{font-size:12px}
.course-progress-actions>.muted{font-size:12px}
.skillity-save-project{display:flex;gap:16px;align-items:center;justify-content:space-between;margin:27px 0 5px;padding:18px;border:1px solid #cdebd6;border-radius:14px;background:#f1fcf4}
.skillity-save-project strong{color:#256f4c}
.skillity-save-project p{margin:7px 0 0;color:#58765f;font-size:13px;line-height:1.5}
.skillity-save-project form{margin:0;flex-shrink:0}
.skillity-save-project>.button{flex-shrink:0}
.portfolio-privacy{margin:0 0 24px;background:#f0f9ff;border:1px solid #d6eaf9}
.portfolio-privacy strong{color:#346989}
.portfolio-privacy p{font-size:13px;line-height:1.6;margin:7px 0 0}
.portfolio-section{margin:24px 0 33px}
.skillity-portfolio-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.portfolio-card{display:flex;flex-direction:column;gap:16px;border:1px solid #dfebf5;color:#314b66;min-height:220px}
.portfolio-card:hover,.portfolio-card:focus-visible{border-color:#87bef0;box-shadow:0 10px 27px #19345217}
.portfolio-card-icon{font-size:31px;display:grid;place-items:center;width:65px;height:65px;background:#eaf6ff;border-radius:16px}
.portfolio-card h3{font-size:19px;margin:8px 0}
.portfolio-card p{color:#71869c;font-size:13px;line-height:1.6}
.portfolio-card-foot{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:auto;font-size:12px;color:#7088a1}
.portfolio-card-foot strong{color:#1a7acc}
.portfolio-empty{grid-column:1/-1;text-align:center;padding:36px 26px}
.portfolio-empty>span{font-size:33px}
.portfolio-empty h3{margin:13px 0}
.portfolio-empty p{color:#6b8298}
.skillity-achievement-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.skillity-achievement{display:flex;align-items:flex-start;gap:15px;border:1px solid #e4e9f3}
.skillity-achievement-icon{font-size:27px}
.skillity-achievement strong{color:#324964}
.skillity-achievement p{font-size:13px;color:#718399;margin:7px 0 0}
.portfolio-detail-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(290px,.8fr);gap:19px;align-items:start}
.portfolio-source{width:100%;display:block;min-height:320px;white-space:pre;font:13px/1.7 ui-monospace,Consolas,monospace;overflow:auto;border:1px solid #d7e5f1;border-radius:11px;background:#f5faff;color:#263f5a;resize:vertical}
.portfolio-detail-editor label{display:block;margin-top:16px;font-weight:700;font-size:13px}
.portfolio-detail-editor textarea{line-height:1.6}
.portfolio-remove{margin:18px 0 0}
.portfolio-remove summary{font-size:12px;color:#9c5762}
@media(max-width:900px){.portfolio-detail-grid{grid-template-columns:1fr}.student-resume-card{align-items:flex-start;flex-direction:column}}
@media(max-width:550px){.skillity-save-project{flex-direction:column;align-items:stretch}.skillity-save-project .button{width:100%}.student-project-shortcut{justify-content:stretch}.student-project-shortcut .button{width:100%}}


/* Patch 07 — Markdown headings, GitHub-style tables and nested lesson content. */
.skillity-rich-text h2{font-size:clamp(23px,2vw,29px);margin:1.6em 0 .75em;color:#20344c;line-height:1.32}
.skillity-rich-text h5,.skillity-rich-text h6{font-size:15px;color:#314e6d;margin:1.35em 0 .65em;line-height:1.4;font-weight:750}
.skillity-rich-text h6{font-size:14px}
.skillity-rich-text table{width:100%;min-width:430px;border-collapse:separate;border-spacing:0;background:#fff;font-size:14px;line-height:1.65;color:#354b60}
.skillity-rich-text th,.skillity-rich-text td{border-right:1px solid #dae6f0;border-bottom:1px solid #dae6f0;padding:12px 14px;vertical-align:top;text-align:left}
.skillity-rich-text th:first-child,.skillity-rich-text td:first-child{border-left:1px solid #dae6f0}
.skillity-rich-text thead th{font-weight:800;background:#eaf3fc;color:#2c506d;border-top:1px solid #dae6f0}
.skillity-rich-text thead th:first-child{border-top-left-radius:9px}
.skillity-rich-text thead th:last-child{border-top-right-radius:9px}
.skillity-rich-text tbody tr:nth-child(even){background:#f7faff}
.skillity-rich-text tbody tr:last-child td:first-child{border-bottom-left-radius:9px}
.skillity-rich-text tbody tr:last-child td:last-child{border-bottom-right-radius:9px}
.skillity-table-scroll{max-width:100%;overflow-x:auto;overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch;margin:18px 0 25px;scrollbar-width:thin}
.skillity-table-scroll:focus-visible{outline:3px solid #81bfff;outline-offset:3px}
.skillity-rich-text del{color:#7287a0}
.skillity-rich-text img.skillity-markdown-image{max-width:100%;height:auto;border-radius:12px;margin:12px 0}
.skillity-rich-text blockquote{border-left:4px solid #70b6f2;background:#f1f8ff;padding:15px 20px;margin:16px 0 22px}
.skillity-rich-text blockquote p:last-child{margin-bottom:0}
.skillity-rich-text ul ul,.skillity-rich-text ol ol,.skillity-rich-text ol ul,.skillity-rich-text ul ol{margin:.4em 0;padding-left:1.4em}
.skillity-rich-text .skillity-code-example code{background:transparent!important;color:inherit!important;border:0!important;padding:0!important;font:inherit}
.skillity-rich-text .skillity-code-example pre{max-width:100%;overflow-x:auto}
@media(max-width:600px){.skillity-rich-text table{font-size:13px;min-width:360px}.skillity-rich-text th,.skillity-rich-text td{padding:9px 11px}}


/* Patch 08 — Python Lab: real CPython (Pyodide/WASM), independent run controls. */
.skillity-python-lab{margin:18px 0 19px;padding:20px;border:1px solid #d5e6f6;background:linear-gradient(150deg,#f5faff,#fff);border-radius:16px}
.skillity-python-lab-heading{display:flex;flex-wrap:wrap;align-items:center;gap:10px;justify-content:space-between;margin-bottom:9px;color:#284564;font-size:18px}
.skillity-python-lab label{display:block;font-size:12px;font-weight:750;color:#36516e;margin:15px 0 7px}
.skillity-python-lab .muted{line-height:1.6;font-size:12px}
.skillity-lab-file-controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.skillity-lab-file-controls select{flex:1 1 170px;min-width:155px}
.skillity-lab-file-controls input{flex:1 1 150px;min-width:125px}
.skillity-lab-file-controls button{white-space:nowrap}
.skillity-python-lab .lab-helper-editor{width:100%;font:13px/1.6 ui-monospace,Consolas,monospace;tab-size:4;min-height:180px;background:#fafcff}
.skillity-python-lab [data-lab-stdin]{width:100%;min-height:70px;font:13px/1.5 ui-monospace,Consolas,monospace;background:#fff}
.skillity-lab-actions{display:flex;flex-wrap:wrap;gap:11px;align-items:center;margin:16px 0}
.skillity-lab-actions [data-lab-status]{font-size:12px;color:#4e6782;line-height:1.5}
.skillity-lab-console{border:1px solid #19334c;border-radius:12px;overflow:hidden;background:#0f2133;color:#ddedfa}
.skillity-lab-console-title{font-weight:750;font-size:11px;padding:11px 14px;background:#203850;color:#a8dbff;letter-spacing:.04em}
.skillity-lab-console pre{color:#def4df;white-space:pre-wrap;overflow-wrap:anywhere;max-height:360px;overflow:auto;min-height:74px;margin:0;padding:14px 17px;font:13px/1.7 ui-monospace,Consolas,monospace;tab-size:4}
.skillity-lab-note{margin-top:14px!important;padding-top:12px;border-top:1px solid #dbeaf5}
@media(max-width:670px){.skillity-python-lab{padding:14px 12px}.skillity-lab-actions .button{flex:1 1 130px}.skillity-lab-file-controls select,.skillity-lab-file-controls input{flex-basis:100%}}


/* Brand asset swap 2026-10-27: the actual 3D artwork lives inside mentor.png/team.svg */
.skillity-student-welcome{background:linear-gradient(117deg,#3b51c8 0%,#4865e8 65%,#4277f2 100%)}
.welcome-visual.skillity-team-visual{width:46%;right:0;bottom:0;display:flex;align-items:end;justify-content:center}
.welcome-visual.skillity-team-visual img{position:relative;right:auto;bottom:auto;display:block;object-fit:contain;width:100%;height:auto;max-height:96%;max-width:100%;border-radius:0}
.skillity-student-welcome .welcome-copy{max-width:57%}
@media(max-width:720px){
 .skillity-student-welcome .welcome-copy{max-width:100%;padding-bottom:185px}
 .welcome-visual.skillity-team-visual{bottom:0;top:auto;height:185px;width:100%;max-width:none}
 .welcome-visual.skillity-team-visual img{max-height:100%;width:auto;max-width:100%}
}

/* Skillity: course curriculum publication dashboard (2026-10-29). */
.skillity-publication-overview{margin:18px 0 24px;padding:clamp(20px,2.7vw,32px);border:1px solid #dbe6ff;background:linear-gradient(135deg,#fff,#f5f8ff)}
.skillity-publication-overview-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}
.skillity-publication-overview-heading h2{margin:6px 0 8px;color:#1b2e57;font-size:clamp(21px,2.1vw,27px)}
.skillity-publication-overview-heading .muted{margin:0}
.skillity-publication-state,.skillity-lesson-state{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:100px;font-size:12px;line-height:1.5;font-weight:750;padding:6px 11px;white-space:normal}
.skillity-publication-state{flex:none;white-space:nowrap}
.skillity-publication-state.is-ready,.skillity-publication-state.is-published,.skillity-lesson-state.is-published{background:#e9fbf2;border-color:#bdeed3;color:#126842}
.skillity-publication-state.is-pending,.skillity-lesson-state.is-ready{background:#edf3ff;border-color:#d1ddff;color:#3157a6}
.skillity-lesson-state.is-empty{background:#fff5e7;border-color:#f3d7a8;color:#885417}
.skillity-publication-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.skillity-publication-stats>div{display:flex;flex-direction:column;gap:3px;min-height:80px;padding:12px 16px;border-radius:15px;background:#fff;border:1px solid #e4eafa}
.skillity-publication-stats strong{font-size:24px;line-height:1.2;color:#1b2e57}
.skillity-publication-stats span{font-size:12px;color:#607393}
.skillity-publication-progress{height:9px;border-radius:100px;background:#e3eafb;overflow:hidden;margin:17px 0}
.skillity-publication-progress>div{height:100%;background:linear-gradient(90deg,#4166e8,#43c2ab);transition:width .25s ease}
.skillity-publication-tips{border:1px solid #dee8ff;background:#fff;border-radius:14px;padding:14px 18px;margin-bottom:17px}
.skillity-publication-tips:empty{display:none}
.skillity-publication-tips p{font-size:13px;color:#3b4c72;line-height:1.65;margin:6px 0}
.skillity-publication-tips ul{padding-left:23px;margin:9px 0;display:grid;gap:7px;font-size:13px}
.skillity-publication-tips a{color:#315ad2;text-decoration:underline;text-underline-offset:3px}
.skillity-publication-tips .skillity-publication-good{color:#14754e;font-weight:700}
.skillity-publication-overview>form{display:inline-flex;margin:0 12px 6px 0}
.skillity-builder-lesson{scroll-margin-top:115px}
.skillity-builder-lesson:target{background:#f0f5ff;border-radius:12px;box-shadow:0 0 0 6px #f0f5ff}
.skillity-builder-lesson .builder-lesson-info{flex:1;min-width:190px}
.skillity-builder-lesson .builder-lesson-info>div{min-width:0}
.skillity-builder-lesson .builder-lesson-name{overflow-wrap:anywhere}
.skillity-builder-lesson .builder-toolbar{flex:0 1 auto;gap:7px}
.skillity-publish-button{background:#2f62d4;color:#fff;border-color:#2f62d4}
.skillity-publish-button:hover{background:#214bb5;color:#fff}
.skillity-draft-button{border-color:#d5e0f9;color:#2b477f}
.skillity-publication-hint{font-size:12px;max-width:340px;line-height:1.6}
#course-publication-checklist,#program-publication{scroll-margin-top:100px}
@media(max-width:1000px){.skillity-publication-overview-heading{flex-wrap:wrap}.skillity-publication-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.skillity-builder-lesson .builder-toolbar{justify-content:flex-start}}
@media(max-width:540px){.skillity-publication-stats{gap:8px}.skillity-publication-stats>div{min-height:72px;padding:10px 12px}.skillity-publication-overview>form{display:flex;margin:0 0 8px}.skillity-publication-overview>form button{width:100%}.skillity-builder-lesson .builder-toolbar{width:100%}.skillity-builder-lesson .builder-toolbar form{flex-shrink:0}}
@media(prefers-reduced-motion:reduce){.skillity-publication-progress>div{transition:none}}
html[data-skillity-theme="dark"] .skillity-publication-overview{background:#1a2947;border-color:#405579}
html[data-skillity-theme="dark"] .skillity-publication-overview-heading h2,html[data-skillity-theme="dark"] .skillity-publication-stats strong{color:#eef3ff}
html[data-skillity-theme="dark"] .skillity-publication-stats>div,html[data-skillity-theme="dark"] .skillity-publication-tips{background:#233454;border-color:#415577}
html[data-skillity-theme="dark"] .skillity-publication-tips p,html[data-skillity-theme="dark"] .skillity-publication-stats span{color:#d0dcf2}
html[data-skillity-theme="dark"] .skillity-builder-lesson:target{background:#263b61;box-shadow:0 0 0 6px #263b61}