.slb{--slb-course:#d4eefc;--slb-course-mid:#b8e3f8;--slb-course-border:#7ec8ea;--slb-group:#f7eed4;--slb-group-mid:#f0e2b8;--slb-group-border:#e2c97a;--slb-block:#dff3cc;--slb-block-mid:#ccecb0;--slb-block-border:#9fd46a;--slb-surface:#f7f8f6;--slb-panel:#fff;--slb-drawer:#f3f4f2;--slb-ink:#1c2430;--slb-muted:#6b7280;--slb-line:#d8dcd6;--slb-accent:#0d6e8c;--slb-accent-dark:#0a5870;--slb-danger:#5c6570;--slb-radius:8px;--slb-shadow:0 1px 2px #1c24300d;color:var(--slb-ink);background:radial-gradient(80% 50% at 50% -20%,#e4edf3 0%,#0000 55%),#fff;max-width:1180px;margin:0 auto;padding:0 1.25rem 13rem;font-family:"Source Sans 3",Segoe UI,Helvetica Neue,sans-serif}.slb-header{border-bottom:1px solid var(--slb-line);justify-content:space-between;align-items:flex-start;gap:1.25rem;margin-bottom:1.35rem;padding:1.1rem 0 1.35rem;display:flex}.slb-header .slb-title{letter-spacing:-.01em;max-width:48rem;margin:0;font-size:clamp(1.35rem,2.2vw,1.85rem);font-weight:700;line-height:1.25}.slb-header-actions{flex-shrink:0;align-items:center;gap:.65rem;padding-top:.15rem;display:flex}.slb-save{appearance:none;border:1px solid var(--slb-accent-dark);background:var(--slb-accent);color:#fff;cursor:pointer;box-shadow:var(--slb-shadow);border-radius:6px;padding:.5rem 1.35rem;font-family:inherit;font-size:.95rem;font-weight:600;transition:background .15s,transform .12s,box-shadow .15s}.slb-save:hover:not(:disabled){background:var(--slb-accent-dark)}.slb-save:active:not(:disabled){transform:translateY(1px)}.slb-save:disabled{opacity:.6;cursor:wait}.slb-save-status{color:#1a7a3c;font-family:inherit;font-size:.88rem}.slb-save-error{color:#a12020}.slb-save-status:empty{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.slb-grid{grid-template-columns:1fr 1fr minmax(240px,.95fr);align-items:start;gap:1.1rem;display:grid}@media (width<=900px){.slb-grid{grid-template-columns:1fr}}.slb-col{background:var(--slb-panel);border:1px solid var(--slb-line);border-radius:var(--slb-radius);box-shadow:var(--slb-shadow);min-height:12rem;padding:.85rem .75rem 1rem}.slb-col .slb-col-title{text-align:center;letter-spacing:.01em;color:#2a3340;margin:0 0 .75rem;font-size:1.02rem;font-weight:700}.slb-dropzone{background:var(--slb-surface);border:1.5px dashed #b8bfb4;border-radius:6px;min-height:9rem;padding:.55rem 0;transition:background .18s,border-color .18s,box-shadow .18s}.slb-dropzone.is-over{background:#eef8ea;border-color:#6aaa4a;box-shadow:inset 0 0 0 1px #6aaa4a40}.slb-placeholder{text-align:center;color:var(--slb-muted);padding:1.75rem .75rem;font-size:.95rem;font-style:italic}.slb-chip{text-align:center;box-sizing:border-box;border-radius:6px;width:88%;margin:.4rem 6%;padding:.6rem 1.9rem .6rem .85rem;font-size:.94rem;line-height:1.3;transition:transform .12s,box-shadow .15s,border-color .15s;position:relative;box-shadow:0 1px 1px #1c24300a}.slb-chip:hover{transform:translateY(-1px);box-shadow:0 2px 6px #1c243014}.slb-chip-course{background:linear-gradient(180deg, var(--slb-course), var(--slb-course-mid));border:1px solid var(--slb-course-border)}.slb-chip-group{background:linear-gradient(180deg, var(--slb-group), var(--slb-group-mid));border:1px solid var(--slb-group-border)}.slb-chip-block{background:linear-gradient(180deg, var(--slb-block), var(--slb-block-mid));border:1px solid var(--slb-block-border);cursor:pointer}.slb-chip-block.is-selected{border:2px solid var(--slb-accent);font-weight:700;box-shadow:0 2px 8px #1a6fb52e}.slb-chip-open{font:inherit;color:inherit;cursor:pointer;text-align:inherit;background:0 0;border:0;margin:0;padding:0}.slb-chip-open:after{content:"";border-radius:inherit;position:absolute;inset:0}.slb-chip-remove{cursor:pointer;color:var(--slb-danger);z-index:1;background:0 0;border:none;border-radius:4px;padding:.2rem;font-size:1rem;line-height:1;transition:background .12s,color .12s;position:absolute;top:50%;right:7px;transform:translateY(-50%)}.slb-chip:hover .slb-chip-remove,.slb-chip-remove:focus-visible{opacity:1}.slb-chip-remove:hover{color:#a12020;background:#1c243014}.slb-add-block{text-align:center;cursor:pointer;width:88%;font:inherit;color:#3a4554;background:0 0;border:1.5px dashed #b8bfb4;border-radius:6px;margin:.65rem 6% .15rem;padding:.55rem .75rem;font-size:.92rem;transition:background .15s,border-color .15s,color .15s;display:block}.slb-add-block:hover{background:var(--slb-surface);border-color:var(--slb-accent);color:var(--slb-accent-dark)}.slb-sidebar-controls{flex-direction:column;gap:.4rem;margin-bottom:.65rem;font-family:inherit;display:flex}.slb-sidebar-controls select,.slb-sidebar-controls input{box-sizing:border-box;width:100%;font:inherit;background:#fff;border:1px solid #7b8794;border-radius:6px;padding:.42rem .5rem;font-size:.9rem;transition:border-color .15s,box-shadow .15s}.slb-sidebar-controls select:focus,.slb-sidebar-controls input:focus{border-color:var(--slb-accent);box-shadow:0 0 0 3px #1a6fb51f}.slb-sidebar-list{scrollbar-width:thin;max-height:min(70vh,640px);padding:.15rem 0 .5rem;overflow-y:auto}.slb-sidebar-list .slb-chip{cursor:grab;padding-right:.85rem}.slb-sidebar-list .slb-chip:active{cursor:grabbing}.slb-group-members{color:#4b5563;margin-top:.2rem;font-family:inherit;font-size:.72rem;font-style:italic;display:block}.slb-drawer{background:var(--slb-drawer);border-top:1px solid var(--slb-line);z-index:40;max-height:min(52vh,460px);padding:1rem 1.5rem 1.35rem;font-family:inherit;animation:.22s ease-out slb-drawer-in;position:fixed;bottom:0;left:0;right:0;overflow-y:auto;box-shadow:0 -8px 28px #1c24301a}@keyframes slb-drawer-in{0%{opacity:.5;transform:translateY(28%)}to{opacity:1;transform:translateY(0)}}.slb-drawer-top{justify-content:space-between;align-items:baseline;gap:1rem;max-width:1180px;margin:0 auto;display:flex}.slb-drawer-top .slb-drawer-title{margin:0;font-family:inherit;font-size:1.2rem;font-weight:700}.slb-drawer-close{font:inherit;cursor:pointer;color:var(--slb-accent);background:0 0;border:none;border-radius:4px;padding:.2rem .35rem;font-size:.92rem;text-decoration:none;transition:background .12s,color .12s}.slb-drawer-close:hover{color:var(--slb-accent-dark);background:#1a6fb514}.slb-drawer-fields{flex-wrap:wrap;gap:.55rem;max-width:1180px;margin:.75rem auto;display:flex}.slb-drawer-field{flex-direction:column;flex:240px;gap:.25rem;display:flex}.slb-drawer-field label{font-size:.85rem;font-weight:600}.slb-drawer-fields input{font:inherit;background:#fff;border:1px solid #7b8794;border-radius:6px;padding:.5rem .65rem;font-size:.95rem;transition:border-color .15s,box-shadow .15s}.slb-drawer-fields input:focus{border-color:var(--slb-accent);box-shadow:0 0 0 3px #1a6fb51f}.slb-drawer-body{max-width:1180px;margin:0 auto}.slb-add-rule{color:var(--slb-accent);cursor:pointer;font:inherit;background:0 0;border:none;margin:.15rem 0 .85rem;padding:.2rem 0;font-size:.92rem;font-weight:600;text-decoration:none;transition:color .12s;display:inline-block}.slb-add-rule:hover{color:var(--slb-accent-dark);text-decoration:underline}.slb-rule{border-top:1px solid var(--slb-line);background:#ffffff73;padding:.85rem 2.1rem .85rem 2.35rem;position:relative}.slb-rule:first-of-type{border-top:none;border-radius:6px 6px 0 0}.slb-rule-num{color:#5a6472;font-size:.9rem;font-weight:700;position:absolute;top:.95rem;left:.5rem}.slb-or{text-align:center;color:#5a6472;margin:.2rem 0;font-size:.85rem;font-style:italic}.slb-rule-row{flex-wrap:nowrap;align-items:flex-start;gap:.55rem;display:flex}.slb-rule-controls{flex-wrap:wrap;flex:auto;align-items:center;gap:.5rem;min-width:0;display:flex}.slb-rule-drop{box-sizing:border-box;text-align:center;overflow-wrap:anywhere;background:#fff;border:1.5px dashed #b8bfb4;border-radius:6px;flex:0 auto;min-width:148px;max-width:16.5rem;min-height:2.35rem;padding:.4rem .7rem;font-size:.9rem;transition:background .15s,border-color .15s,box-shadow .15s}.slb-rule-controls .slb-rule-drop{max-width:min(16.5rem,100%)}.slb-rule-drop.is-over{background:#eef8ea;border-color:#6aaa4a}.slb-rule-drop.has-value{background:linear-gradient(180deg, var(--slb-course), var(--slb-course-mid));border-style:solid;border-color:var(--slb-course-border)}.slb-rule-drop.has-value.group{background:linear-gradient(180deg, var(--slb-group), var(--slb-group-mid));border-color:var(--slb-group-border)}.slb-rule select{font:inherit;background:#fff;border:1px solid #7b8794;border-radius:6px;max-width:100%;padding:.38rem .45rem;font-size:.9rem}.slb-rule-delete{cursor:pointer;color:var(--slb-danger);background:0 0;border:none;border-radius:4px;padding:.2rem;font-size:1rem;transition:background .12s,color .12s;position:absolute;top:.8rem;right:.45rem}.slb-rule:hover .slb-rule-delete,.slb-rule-delete:focus-visible{opacity:1}.slb-rule-delete:hover{color:#a12020;background:#1c243014}.slb-nested{border-left:2px solid #c5cac2;margin:.55rem 0 .3rem 1.5rem;padding-left:1.1rem;position:relative}.slb-and{color:var(--slb-accent);font-size:.82rem;font-style:italic;font-weight:600;position:absolute;top:.4rem;left:-1.75rem}.slb-nest-link{font:inherit;color:var(--slb-accent);cursor:pointer;background:0 0;border:none;margin:.4rem 0 0 .25rem;padding:0;font-size:.88rem;font-weight:600;text-decoration:none;display:inline-block}.slb-nest-link:hover{color:var(--slb-accent-dark);text-decoration:underline}.slb-drag-overlay{background:linear-gradient(180deg, var(--slb-course), var(--slb-course-mid));border:1px solid var(--slb-course-border);opacity:.97;border-radius:6px;padding:.6rem .9rem;font-family:inherit;box-shadow:0 8px 22px #1c243029}.slb-drag-overlay.group{background:linear-gradient(180deg, var(--slb-group), var(--slb-group-mid));border-color:var(--slb-group-border)}.slb-alert{background:#fff8e6;border:1px solid #e5d08a;border-radius:6px;margin:0 0 1rem;padding:.65rem .85rem;font-family:inherit;font-size:.92rem}@media (prefers-reduced-motion:reduce){.slb-drawer{animation:none}.slb-chip,.slb-chip:hover{transition:none;transform:none}}