:root{--csr-border:#e5e7eb;--csr-bg:#f6f7fb;--csr-text:#171923;--csr-muted:#667085;--csr-accent:#4f46e5;--csr-soft:#eef2ff;--csr-danger:#b42318}
.csr-shell{max-width:1120px;margin:32px auto;padding:0 16px;color:var(--csr-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.csr-shell *{box-sizing:border-box}.csr-top{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.csr-top h1{font-size:32px;line-height:1.1;margin:3px 0}.csr-kicker{font-size:11px;letter-spacing:.14em;font-weight:800;color:var(--csr-accent)}.csr-nav{display:flex;gap:6px;flex-wrap:wrap}.csr-nav button{border:0;background:transparent;padding:9px 12px;border-radius:9px;cursor:pointer;color:#475467;font-weight:600}.csr-nav button.active{background:#fff;box-shadow:0 1px 3px #0001;color:var(--csr-accent)}.csr-grid{display:grid;gap:16px}.csr-stats{grid-template-columns:repeat(4,1fr)}.csr-card{background:#fff;border:1px solid var(--csr-border);border-radius:16px;padding:22px;box-shadow:0 8px 28px #1018280a}.csr-stats .csr-card{display:flex;flex-direction:column;gap:8px}.csr-card>span,.csr-muted,.csr-card small,.csr-section-head p,.csr-help{color:var(--csr-muted)}.csr-stats strong{font-size:36px}.csr-btn{border:0;background:var(--csr-accent);color:#fff;border-radius:10px;padding:11px 15px;font-weight:700;cursor:pointer;display:inline-block}.csr-btn.secondary{background:var(--csr-soft);color:var(--csr-accent)}.csr-btn:disabled{opacity:.45;cursor:not-allowed}.csr-intro{margin-top:16px}.csr-intro h2,.csr-section-head h2,.csr-settings h2{margin-top:0}.csr-actions{display:flex;gap:10px;margin-top:16px}.csr-columns{display:grid;grid-template-columns:1fr 1.55fr;gap:16px}.csr-section-head{display:flex;justify-content:space-between;gap:16px;align-items:start;border-bottom:1px solid var(--csr-border);padding-bottom:14px}.csr-section-head p{margin:4px 0 0}.csr-list{margin-top:6px}.csr-row,.csr-entry{display:flex;justify-content:space-between;gap:12px;padding:15px 4px;border-bottom:1px solid #f0f1f3}.csr-row small,.csr-entry small{display:block;margin-top:3px}.csr-link{border:0;background:transparent;color:var(--csr-accent);cursor:pointer;padding:5px;font-weight:600}.csr-link.danger{color:var(--csr-danger)}.csr-entry-main{min-width:0}.csr-entry-main>b,.csr-entry-main>span{display:block}.csr-entry-main>span{color:#475467;margin-top:3px}.csr-entry-main em{color:#067647;font-style:normal;font-weight:700}.csr-entry-actions{text-align:right;white-space:nowrap}.csr-empty{padding:24px 8px;text-align:center;color:var(--csr-muted)}.csr-modal-wrap{position:fixed;z-index:999999;inset:0;background:#10182888;display:grid;place-items:center;padding:20px}.csr-modal{width:min(620px,100%);max-height:90vh;overflow:auto;background:#fff;padding:24px;border-radius:16px;position:relative;box-shadow:0 24px 80px #0004}.csr-modal h2{margin-top:0}.csr-x{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:28px;cursor:pointer}.csr-modal label,.csr-settings label,.csr-production label{display:block;font-weight:700;margin:14px 0}.csr-modal input,.csr-modal textarea,.csr-modal select,.csr-settings input,.csr-settings select,.csr-production textarea{display:block;width:100%;margin-top:6px;border:1px solid #d0d5dd;border-radius:9px;padding:10px 12px;font:inherit}.csr-modal textarea,.csr-production textarea{min-height:92px;resize:vertical}.csr-modal label small{display:block;font-weight:400;color:var(--csr-muted);margin-top:5px}.optional{font-weight:400;color:var(--csr-muted)}.csr-example-list>div{padding:10px 0;border-bottom:1px solid var(--csr-border)}.csr-example-list p{margin:0 0 4px}.csr-example-list small{color:var(--csr-muted)}.csr-practice-head{display:flex;justify-content:space-between;color:var(--csr-muted);font-size:14px;margin:0 auto 8px;max-width:760px}.csr-review-card{max-width:760px;margin:auto;padding:32px}.csr-prompt{font-size:34px;margin:10px 0 16px}.csr-instruction{font-size:18px;color:#475467;max-width:650px}.csr-reveal{background:var(--csr-bg);border-radius:12px;padding:18px;margin-top:18px}.csr-reveal>div+div{border-top:1px solid #e4e7ec;padding-top:12px;margin-top:12px}.csr-reveal span{font-size:11px;letter-spacing:.08em;font-weight:800;color:var(--csr-muted);text-transform:uppercase}.csr-reveal p{margin:5px 0}.csr-prev{padding-left:12px;border-left:3px solid #c7d7fe}.csr-production{margin-top:22px}.csr-production textarea{min-height:120px}.csr-help{font-size:13px;margin-top:-7px}.csr-ratings{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}.csr-ratings button{border:1px solid #d0d5dd;background:#fff;padding:12px;border-radius:10px;font-weight:700;cursor:pointer}.csr-ratings button.hard{color:#b42318}.csr-ratings button.easy{color:#067647}.csr-centered{text-align:center;max-width:650px;margin:auto}.csr-bigcheck{font-size:50px;color:#067647}.csr-settings{max-width:700px}.csr-check{display:flex!important;gap:10px;align-items:center}.csr-check input{width:auto!important;margin:0!important}.csr-note{margin-top:22px;background:#fffaeb;border:1px solid #fedf89;padding:14px;border-radius:10px;color:#7a2e0e}.csr-toast{position:fixed;z-index:1000000;right:18px;bottom:18px;background:#101828;color:#fff;padding:12px 16px;border-radius:10px;box-shadow:0 10px 30px #0003}.csr-toast.bad{background:#b42318}.csr-loading{text-align:center;padding:50px;color:var(--csr-muted)}.csr-login{text-align:center;max-width:520px;margin:auto}
@media(max-width:850px){.csr-stats{grid-template-columns:1fr 1fr}.csr-columns{grid-template-columns:1fr}.csr-top{align-items:start;flex-direction:column}.csr-entry{flex-direction:column}.csr-entry-actions{text-align:left}.csr-ratings{grid-template-columns:1fr}.csr-review-card{padding:22px}.csr-prompt{font-size:28px}}
@media(max-width:520px){.csr-stats{grid-template-columns:1fr}.csr-nav{width:100%}.csr-nav button{flex:1 1 45%}.csr-card{padding:18px}}
.csr-badge{display:inline-block!important;margin-left:7px;padding:2px 7px;border-radius:999px;background:#ecfdf3;color:#067647;font-size:11px;font-weight:800;vertical-align:middle}.csr-entry.is-mastered{opacity:.78}.csr-example-row{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.csr-example-copy{min-width:0;flex:1}.csr-example-actions{white-space:nowrap}.csr-example-actions .csr-link{padding:2px 5px}.csr-small{font-size:12px}.csr-master-now{margin-top:14px}.csr-settings-stack{max-width:700px;display:grid;gap:16px}.csr-settings-stack .csr-settings{max-width:none}.csr-settings-stack .csr-note{margin-top:0}
@media(max-width:600px){.csr-example-row{flex-direction:column}.csr-example-actions{white-space:normal}}

/* v1.2 learning-library UI */
.csr-library-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;margin:0 0 28px}.csr-library-toolbar h2{margin:0 0 6px;font-size:26px}.csr-library-toolbar p{margin:0;color:#667085}.csr-topic-section{margin:0 0 34px}.csr-topic-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.csr-topic-head h2{margin:0;font-size:24px}.csr-group-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.csr-group-card{background:#fff;border:1px solid #eaecf0;border-radius:18px;padding:14px;box-shadow:0 2px 8px rgba(16,24,40,.04)}.csr-group-visual{height:116px;border-radius:14px;background:#f8f9fb;display:flex;align-items:center;justify-content:center;overflow:hidden}.csr-group-visual img,.csr-entry-thumb img,.csr-practice-visual img{width:100%;height:100%;object-fit:cover}.csr-emoji{font-size:52px;line-height:1}.csr-group-progress{height:8px;background:#f2f4f7;border-radius:999px;margin:13px 0 10px;overflow:hidden}.csr-group-progress span{display:block;height:100%;background:#2e90fa;border-radius:inherit}.csr-group-card h3{font-size:18px;margin:0 0 4px}.csr-group-card p{font-size:13px;color:#667085;margin:0 0 8px}.csr-group-actions{display:flex;gap:4px;flex-wrap:wrap;margin-top:9px}.csr-tags{display:flex;gap:5px;flex-wrap:wrap}.csr-tag{display:inline-flex;padding:2px 7px;border-radius:999px;background:#f2f4f7;color:#475467;font-size:11px;font-weight:700}.csr-entry-library{margin-top:38px}.csr-inline-filter{max-width:260px;margin:0}.csr-entry{align-items:center}.csr-entry-thumb{width:58px;height:58px;flex:0 0 58px;border-radius:12px;background:#f8f9fb;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-right:12px}.csr-entry-thumb .csr-emoji{font-size:30px}.csr-media-fields{padding:12px;background:#f8f9fb;border-radius:12px;margin:8px 0 14px}.csr-image-preview{margin-top:8px;max-width:260px}.csr-image-preview img{display:block;width:100%;max-height:150px;object-fit:cover;border-radius:10px}.csr-practice-visual{width:140px;height:100px;margin:0 auto 18px;border-radius:16px;background:#f8f9fb;display:flex;align-items:center;justify-content:center;overflow:hidden}.csr-practice-visual .csr-emoji{font-size:58px}
@media(max-width:1050px){.csr-group-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.csr-library-toolbar{display:block}.csr-library-toolbar .csr-actions{margin-top:14px}.csr-group-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.csr-group-visual{height:100px}.csr-section-head{align-items:flex-start}.csr-inline-filter{max-width:none}.csr-entry{align-items:flex-start}.csr-entry-thumb{width:48px;height:48px;flex-basis:48px}.csr-entry-actions{width:100%;padding-left:60px}}
@media(max-width:430px){.csr-group-grid{grid-template-columns:1fr 1fr}.csr-group-card{padding:10px;border-radius:14px}.csr-group-visual{height:88px}.csr-group-card h3{font-size:16px}.csr-group-actions .csr-link{font-size:11px;padding:3px}.csr-topic-head h2{font-size:20px}}

/* v1.3 spaced-production challenges */
.csr-challenge{margin:0 0 18px;padding:16px 18px;border:1px solid #dbe4ff;background:#f8faff;border-radius:14px}.csr-challenge h3{margin:4px 0 6px;font-size:20px}.csr-challenge p{margin:0;color:#475467;line-height:1.5}.csr-challenge .csr-link{padding-left:0;margin-top:7px}.csr-challenge-options{display:grid;gap:8px;margin-top:12px}.csr-challenge-option{align-items:flex-start!important;padding:11px 12px;margin:0!important;border:1px solid #eaecf0;border-radius:10px;background:#fafafa}.csr-challenge-option input{margin-top:3px!important}.csr-challenge-option span{display:block}.csr-challenge-option small{display:block;font-weight:400;color:#667085;margin-top:2px;line-height:1.35}

/* v1.4 optional starter catalog */
.csr-starter-section{border-top:1px solid rgba(0,0,0,.08);padding-top:14px;margin-top:14px}.csr-starter-section h3{margin:0 0 10px}.csr-starter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px}.csr-starter-option{display:flex!important;align-items:center;gap:10px;border:1px solid rgba(0,0,0,.1);border-radius:12px;padding:10px!important;margin:0!important;cursor:pointer}.csr-starter-option input{width:auto!important;margin:0!important}.csr-starter-option small{display:block;opacity:.68;margin-top:2px}.csr-starter-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:9px;overflow:hidden;background:rgba(0,0,0,.04);flex:0 0 40px}.csr-starter-icon img{width:100%;height:100%;object-fit:cover}.csr-starter-icon .csr-emoji{font-size:23px}.csr-starter-option.is-installed{opacity:.55;cursor:default}

/* v1.5 dashboard and rich notes */
.csr-brand{display:flex;gap:12px;align-items:center}.csr-brand-brain{font-size:42px;line-height:1}.csr-brain-card{display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:center;background:linear-gradient(135deg,#fff 0%,#f8f7ff 55%,#fff7fb 100%);border:1px solid #e8e4ff;border-radius:22px;padding:28px;margin-bottom:18px;box-shadow:0 14px 40px rgba(79,70,229,.08)}.csr-brain-meter{position:relative;width:180px;height:180px;margin:auto;display:grid;place-items:center}.csr-brain-meter span{position:absolute;font-size:154px;line-height:1;filter:saturate(.95)}.csr-brain-base{filter:grayscale(1)!important;opacity:.18}.csr-brain-fill{clip-path:inset(calc(100% - var(--brain-fill)) 0 0 0);transition:clip-path .45s ease}.csr-brain-copy h2{font-size:36px;margin:5px 0 8px}.csr-brain-copy p{font-size:16px;line-height:1.6;color:#475467;margin:0 0 14px}.csr-brain-copy small{display:block;color:var(--csr-muted);margin-top:8px}.csr-brain-bar{height:12px;background:#eceaf7;border-radius:999px;overflow:hidden}.csr-brain-bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#7c3aed,#ec4899);transition:width .4s ease}
.csr-rich-wrap{border:1px solid #d0d5dd;border-radius:10px;background:#fff;margin-top:6px;overflow:hidden}.csr-rich-toolbar{display:flex;gap:4px;flex-wrap:wrap;padding:7px;background:#f8f9fb;border-bottom:1px solid #e4e7ec}.csr-rich-toolbar button{border:1px solid #d0d5dd;background:#fff;color:#344054;border-radius:6px;padding:5px 8px;min-width:32px;cursor:pointer;font:inherit;font-size:12px}.csr-rich-toolbar button:hover{background:#f2f4f7}.csr-rich-editor{min-height:120px;padding:11px 12px;outline:none;font-weight:400;line-height:1.55}.csr-rich-editor:focus{box-shadow:inset 0 0 0 2px rgba(79,70,229,.16)}.csr-rich-editor p:first-child,.csr-rich-output p:first-child{margin-top:0}.csr-rich-editor p:last-child,.csr-rich-output p:last-child{margin-bottom:0}.csr-rich-output{margin-top:5px;line-height:1.55;color:#344054}.csr-rich-output ul,.csr-rich-output ol{padding-left:22px}.csr-rich-output a{color:var(--csr-accent);text-decoration:underline}.csr-modal label>.csr-rich-wrap{font-weight:400}
@media(max-width:760px){.csr-brain-card{grid-template-columns:1fr;gap:10px;text-align:center}.csr-brain-meter{width:150px;height:150px}.csr-brain-meter span{font-size:132px}.csr-brain-copy h2{font-size:30px}.csr-brand-brain{font-size:36px}}

/* v1.6 Mindwelder general-purpose memory system */
:root{--csr-bg:#f7f5ff;--csr-accent:#6d28d9;--csr-soft:#f1eafe;--csr-spark:#f59e0b}
.csr-brand-brain{color:var(--csr-spark);filter:drop-shadow(0 3px 8px #f59e0b55)}
.csr-brain-card{background:linear-gradient(135deg,#fff 0%,#f7f2ff 55%,#fff8e8 100%);box-shadow:0 14px 40px rgba(109,40,217,.09)}
.csr-brain-bar span{background:linear-gradient(90deg,#6d28d9,#a855f7,#f59e0b)}
.csr-ratings{grid-template-columns:repeat(4,1fr)}
.csr-ratings button b{display:block;font-size:11px;opacity:.65;margin-bottom:3px}
.csr-ratings button.forgot{color:#b42318}.csr-ratings button.hard{color:#b54708}.csr-ratings button.good{color:#3538cd}.csr-ratings button.easy{color:#067647}
.csr-hint{background:#fff8e8;border:1px solid #fde3a7}.csr-hint+.csr-btn{margin-right:8px}
@media(max-width:850px){.csr-ratings{grid-template-columns:1fr 1fr}}

/* v1.7 bulk CSV import */
.csr-library-toolbar .csr-actions{flex-wrap:wrap;justify-content:flex-end}.csr-import-help{margin:14px 0;padding:13px 14px;border-radius:10px;background:#f8f7ff;border:1px solid #e7e2ff;color:#475467;font-size:13px;line-height:1.55}.csr-import-result{margin-top:18px;padding:15px;border-radius:12px;background:#ecfdf3;border:1px solid #abefc6;color:#065f46}.csr-import-result.is-error{background:#fef3f2;border-color:#fecdca;color:#912018}.csr-import-result h3{margin:0 0 6px}.csr-import-result p{margin:5px 0 12px}.csr-import-result details{margin:10px 0}.csr-import-errors{margin:8px 0 12px;padding-left:21px;max-height:190px;overflow:auto}.csr-import-errors li{margin:4px 0}.csr-import-result .csr-btn{margin-top:6px}
@media(max-width:760px){.csr-library-toolbar .csr-actions{justify-content:flex-start}}

/* v1.8 compact one-row entry table */
.csr-entry-library{padding:16px 18px}.csr-entry-library .csr-section-head{align-items:center;padding-bottom:11px}.csr-entry-library .csr-section-head h2{font-size:23px;margin:0 0 2px}.csr-entry-library .csr-section-head p{font-size:13px}.csr-entry-table-wrap{overflow-x:auto;margin:0 -4px}.csr-entry-table{min-width:1040px}.csr-entry-table-head,.csr-entry-table-row{display:grid;grid-template-columns:minmax(190px,1.35fr) minmax(190px,1.5fr) minmax(125px,.8fr) minmax(145px,.85fr) auto;gap:14px;align-items:center}.csr-entry-table-head{padding:9px 8px 7px;border-bottom:1px solid var(--csr-border);color:var(--csr-muted);font-size:11px;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.csr-entry-table .csr-list{margin:0}.csr-entry-table-row{min-height:48px;padding:7px 8px}.csr-entry-title{display:flex;align-items:center;gap:9px;min-width:0}.csr-entry-title b,.csr-entry-answer,.csr-entry-group{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.csr-entry-title b{font-size:14px}.csr-entry-title .csr-badge{margin-left:6px}.csr-entry-table-row .csr-entry-thumb{width:32px;height:32px;flex:0 0 32px;border-radius:7px;margin:0}.csr-entry-table-row .csr-entry-thumb .csr-emoji{font-size:18px}.csr-entry-answer,.csr-entry-group{color:#475467;font-size:13px}.csr-entry-progress{display:flex;gap:4px;flex-direction:column;font-size:11px;color:var(--csr-muted);line-height:1.15}.csr-entry-progress b{font-size:12px;color:#344054}.csr-entry-progress b.is-due{color:#067647}.csr-entry-table-row .csr-entry-actions{display:flex;align-items:center;justify-content:flex-end;gap:1px}.csr-entry-table-row .csr-entry-actions .csr-link{font-size:12px;padding:4px}.csr-entry-table-row .csr-entry-actions .danger{color:var(--csr-danger)}
@media(max-width:760px){.csr-entry-library{padding:14px}.csr-entry-library .csr-section-head{gap:10px}.csr-entry-table-wrap{margin:0}.csr-entry-table{min-width:940px}.csr-entry-table-head,.csr-entry-table-row{grid-template-columns:minmax(170px,1.2fr) minmax(170px,1.3fr) 115px 135px auto}.csr-entry-table-row .csr-entry-actions{width:auto;padding-left:0}}