:root{--navy:#102b43;--orange:#ff6f32;--ink:#17243a;--muted:#5c6e83;--line:#c4d2dd;--soft:#eef3f6}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--soft);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}.builder-header{background:var(--navy);color:#fff}.builder-header>div{width:min(1450px,calc(100% - 40px));min-height:128px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px}.builder-brand{display:flex;align-items:center;gap:17px;color:#fff;text-decoration:none}.builder-brand>span{width:64px;height:64px;display:grid;place-items:center;border:1px solid #668096;border-radius:15px;font-size:18px;font-weight:850}.builder-brand strong{color:var(--orange);font-size:38px;line-height:1}.builder-brand small{color:#fff;font-size:19px}.builder-brand b{display:block;margin-top:7px;color:#c9d8e3;font-size:11px}.builder-header nav{display:flex;gap:9px}.builder-header nav a,.builder-toolbar button,.section-head button,.planned-box button{min-height:40px;padding:0 14px;border:1px solid #70869a;border-radius:9px;background:transparent;color:#fff;text-decoration:none;font-size:11px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}main{width:min(1450px,calc(100% - 34px));margin:28px auto 60px}.builder-intro{padding:30px 34px;border:1px solid var(--line);border-radius:18px;background:#fff}.builder-intro>span,.builder-preview .section-head span{color:#1761d0;font-size:10px;font-weight:850;letter-spacing:.12em}.builder-intro h1{margin:8px 0 10px;font-size:48px;letter-spacing:-.04em}.builder-intro p{max-width:900px;margin:0;color:var(--muted);line-height:1.55}.builder-gate{margin-top:18px;padding:38px;border:1px solid var(--line);border-radius:17px;background:#fff;text-align:center;font-weight:700}.builder-app{margin-top:18px}.builder-toolbar{position:sticky;top:0;z-index:5;display:flex;align-items:end;justify-content:space-between;gap:20px;padding:15px 18px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 8px 22px rgba(16,43,67,.1)}label{display:grid;gap:6px;color:#43566c;font-size:11px;font-weight:800}.builder-toolbar select,input,textarea,select{min-height:42px;padding:9px 11px;border:1px solid #afc0cf;border-radius:9px;background:#fff;color:var(--ink);font:500 13px/1.3 inherit}.builder-toolbar select{min-width:250px}.builder-toolbar>div:last-child{display:flex;gap:8px;flex-wrap:wrap}.builder-toolbar button{border-color:#aabac8;color:var(--ink)}.builder-toolbar button.primary{border-color:var(--navy);background:var(--navy);color:#fff}.builder-toolbar button.publish{border-color:var(--orange);background:var(--orange);color:#fff}.builder-status{min-height:20px;margin:10px 5px;color:var(--muted);font-size:12px;font-weight:700}.builder-status.error{color:#a52e2e}.builder-status.success{color:#20744c}.builder-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(310px,.75fr);gap:18px}.builder-editor,.builder-library,.builder-preview{padding:25px;border:1px solid var(--line);border-radius:17px;background:#fff}.builder-editor h2,.builder-library h2{margin:0 0 17px;font-size:23px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.form-grid .wide{grid-column:1/-1}.slug-input{display:flex;align-items:center;min-height:42px;padding-left:11px;border:1px solid #afc0cf;border-radius:9px;background:#f4f7f9;color:#66778a;font-weight:600}.slug-input input{min-width:80px;flex:1;border:0;background:transparent}.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin:28px 0 14px}.section-head h2{margin:0!important}.section-head p{margin:6px 0 0;color:var(--muted);font-size:12px}.section-head button,.planned-box button{border-color:#aabac8;background:#fff;color:var(--ink)}.column-card{margin-top:12px;padding:16px;border:1px solid #b8c8d4;border-radius:12px;background:#f8fafb}.column-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr) auto;gap:9px}.icon-buttons{display:flex;gap:5px}.icon-buttons button,.item-row button{width:32px;height:32px;border:1px solid #b7c6d1;border-radius:7px;background:#fff;color:var(--ink);font-weight:800;cursor:pointer}.column-items{display:grid;gap:7px;margin-top:10px}.item-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:10px 11px;border:1px solid #d1dbe3;border-radius:9px;background:#fff}.item-row strong{font-size:12px}.item-row small{display:block;margin-top:2px;color:var(--muted)}.item-actions{display:flex;gap:4px}.builder-library{align-self:start;position:sticky;top:92px}.builder-library>label{margin-bottom:10px}.builder-library>input{width:100%;margin-bottom:10px}.tool-library{max-height:460px;overflow:auto;display:grid;gap:6px}.library-tool{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:10px;border:1px solid #d0dae2;border-radius:9px}.library-tool strong{font-size:12px}.library-tool small{display:block;margin-top:3px;color:var(--muted)}.library-tool button{min-height:32px;border:1px solid var(--navy);border-radius:7px;background:var(--navy);color:#fff;font-size:11px;font-weight:800;cursor:pointer}.planned-box{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);display:grid;gap:8px}.planned-box h3{margin:0 0 3px;font-size:15px}.planned-box button{justify-self:start;background:var(--navy);color:#fff}.builder-preview{margin-top:18px}.preview-hero{padding:30px;border-top:4px solid var(--accent,#ff6333);border-radius:14px;background:var(--soft)}.preview-hero h1{margin:0 0 10px;font-size:38px}.preview-hero p{color:var(--muted)}.preview-columns{display:grid;grid-template-columns:repeat(var(--count,3),1fr);gap:12px;margin-top:14px}.preview-column{padding:16px;border:1px solid var(--line);border-radius:12px}.preview-column h3{margin-top:0}.preview-item{margin-top:8px;padding:10px;border:1px solid #cad6df;border-radius:8px;font-size:12px}.preview-item small{display:block;color:var(--muted)}@media(max-width:920px){.builder-grid{grid-template-columns:1fr}.builder-library{position:static}.preview-columns{grid-template-columns:1fr 1fr!important}}@media(max-width:650px){.builder-header>div,.builder-toolbar{align-items:flex-start;flex-direction:column;padding:20px 0}.builder-header nav{width:100%}.builder-brand strong{font-size:27px}.builder-brand small{font-size:14px}.builder-toolbar{padding:14px}.builder-toolbar>div,.builder-toolbar select{width:100%}.form-grid,.column-head,.preview-columns{grid-template-columns:1fr!important}.form-grid .wide{grid-column:auto}.icon-buttons{justify-content:flex-end}}
.builder-system-note{display:flex;align-items:flex-start;gap:12px;margin:0 0 18px;padding:14px 16px;border:1px solid #ff9a72;border-radius:12px;background:#fff7f2;color:#4d3a31}.builder-system-note strong{white-space:nowrap;color:#d94e16}.builder-system-note span{font-size:13px;line-height:1.5}
.builder-tool-alerts{margin:0 0 18px;padding:14px 16px;border:1px solid #79b99b;border-radius:12px;background:#f2fbf6}.builder-tool-alerts>strong{display:block;margin-bottom:8px;color:#175d3f}.builder-tool-alerts [data-tool-alert-list]{display:flex;flex-wrap:wrap;gap:8px}.builder-tool-alerts button{min-height:34px;padding:0 11px;border:1px solid #175d3f;border-radius:8px;background:#175d3f;color:#fff;font:800 11px/1 inherit;cursor:pointer}.development-followup{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:7px}.development-followup label{font-size:10px;font-weight:800;color:#53677a}.development-followup select{min-height:32px;padding:0 26px 0 8px;border:1px solid #afc0cf;border-radius:7px;background:#fff;color:#142033;font:700 10px/1 inherit}.development-followup button{min-height:32px;padding:0 9px;border:1px solid #22764e!important;border-radius:7px;background:#22764e!important;color:#fff!important;font-size:10px!important;width:auto!important}
.field-prompt{display:block;color:#6c7d90;font-size:10px;font-weight:500;line-height:1.4}.icon-buttons button[data-column-action="sample"]{width:auto;padding:0 9px;color:#245f86}.section-head button[data-sample-about]{white-space:nowrap}
.column-items{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.column-items .item-row{min-width:0}.column-items .item-actions{align-self:start}@media(max-width:780px){.column-items{grid-template-columns:1fr}}
.study-units-editor{margin-top:27px;padding-top:1px;border-top:1px solid var(--line)}.study-unit-row{display:grid;grid-template-columns:minmax(150px,.42fr) minmax(260px,1fr) auto;align-items:end;gap:10px;margin-top:9px;padding:13px;border:1px solid #c7d3dc;border-radius:10px;background:#f8fafb}.study-unit-row button{min-height:42px;padding:0 11px;border:1px solid #c7a9a9;border-radius:8px;background:#fff;color:#8f2f2f;font-size:10px;font-weight:800;cursor:pointer}.study-unit-empty{margin:0;padding:15px;border:1px dashed #b9c8d3;border-radius:10px;color:var(--muted);font-size:12px}@media(max-width:720px){.study-unit-row{grid-template-columns:1fr}.study-unit-row button{justify-self:start}}
.builder-toolbar button.exit{border-color:#9caeba;background:#f5f8fa;color:var(--navy)}.builder-exit-dialog{width:min(560px,calc(100% - 32px));padding:0;border:1px solid #9fb0be;border-radius:17px;color:var(--ink);box-shadow:0 24px 70px rgba(16,43,67,.28)}.builder-exit-dialog::backdrop{background:rgba(16,43,67,.68)}.builder-exit-dialog form{padding:28px}.builder-exit-dialog span{color:#1761d0;font-size:10px;font-weight:850;letter-spacing:.12em}.builder-exit-dialog h2{margin:7px 0 8px;font-size:28px}.builder-exit-dialog p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.builder-exit-dialog form>div{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.builder-exit-dialog button{min-height:40px;padding:0 14px;border:1px solid #aabac8;border-radius:9px;background:#fff;color:var(--ink);font:800 11px/1 inherit;cursor:pointer}.builder-exit-dialog button.primary{border-color:var(--navy);background:var(--navy);color:#fff}.builder-exit-dialog .builder-exit-note{margin-top:16px;padding-top:14px;border-top:1px solid #d5dee5;font-size:11px}.builder-exit-dialog button:disabled{cursor:wait;opacity:.55}