:root{--bp-sm: 640px;--bp-md: 768px;--bp-lg: 1024px;--bp-xl: 1280px;color-scheme:light;--bg: #f5f7fb;--surface: #ffffff;--surface-2: #eef3f8;--line: #d9e1ea;--text: #172033;--muted: #627084;--blue: #2f6fed;--green: #0f766e;--red: #c2414b;--amber: #b7791f;--ink: #111827;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}body{margin:0;min-width:320px;background:var(--bg)}button,input,select{font:inherit}button{cursor:pointer}input,select{width:100%;min-height:36px;border:1px solid var(--line);border-radius:6px;padding:7px 9px;background:#fff;color:var(--text)}input:focus,select:focus,button:focus-visible{outline:2px solid rgba(47,111,237,.35);outline-offset:2px}.app-shell{display:grid;grid-template-columns:calc(var(--nav-primary-w, 200px) + var(--nav-secondary-w, 260px)) minmax(0,1fr);height:100vh;overflow:hidden}.app-shell.nav-collapsed{grid-template-columns:64px minmax(0,1fr)}.app-main{min-width:0}.app-shell .app-main{height:100vh;display:flex;flex-direction:column;overflow:hidden;min-height:0}.app-shell .app-main>.topbar{flex-shrink:0}.app-shell .app-main>.workspace{flex:1;display:flex;flex-direction:column;overflow:hidden}.app-shell .timeline-area{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.app-shell .timeline-area>.child-tabs{flex-shrink:0}.app-shell .timeline-area>.timeline-section{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0}.app-shell .timeline-section>.child-header,.app-shell .timeline-section>.ratio-grid{flex-shrink:0}.app-shell .timeline-section>.timeline-grid-wrap{flex:1;overflow:auto;max-height:none;min-height:0}.app-nav{position:sticky;top:0;display:grid;grid-template-columns:var(--nav-primary-w, 200px) var(--nav-secondary-w, 260px);grid-template-rows:auto 1fr;height:100vh;border-right:1px solid 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strong{display:block;color:var(--ink);font-size:17px;font-weight:700;line-height:1.2;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.app-nav-toggle{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:32px;min-height:32px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--muted)}.app-nav-toggle:hover{background:var(--surface-2);color:var(--text)}.app-nav-main{display:flex;flex-direction:column;gap:10px;flex-shrink:0;padding:10px 10px 6px}.app-nav-section{display:flex;flex-direction:column;gap:2px}.app-nav-section-title{padding:6px 12px 2px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.app-nav-item{display:flex;align-items:center;gap:11px;min-height:42px;width:100%;padding:0 12px;border:0;border-radius:8px;background:transparent;color:var(--text);font-size:14px;font-weight:500;text-align:left;text-decoration:none;cursor:pointer;white-space:nowrap}.app-nav-item svg{flex-shrink:0;color:var(--muted)}.app-nav-item:hover{background:var(--surface-2)}.app-nav-item:hover svg{color:var(--text)}.app-nav-item.active{background:var(--surface-2);font-weight:600}.app-nav-item.active svg{color:var(--text)}.app-nav-item.danger{color:var(--muted)}.app-nav-item.danger:hover{color:var(--red);background:#c2414b12}.app-nav-item.danger svg,.app-nav-item.danger:hover svg{color:inherit}.app-nav-secondary-panels{flex:1;overflow-y:auto;display:grid;align-content:start;padding:4px 10px 16px}.app-nav-secondary-panels .panel-section{border:none;border-radius:0;background:transparent;box-shadow:none;padding:0 0 4px;border-bottom:1px solid var(--line)}.app-nav-secondary-panels .panel-section:last-child{border-bottom:none}.app-nav-secondary-panels .section-title{gap:6px;margin-bottom:6px;padding-top:14px;min-width:0}.app-nav-secondary-panels .section-title h2{min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.app-nav-secondary-panels .section-title svg{flex-shrink:0;width:12px;height:12px;color:var(--muted)}.app-nav-secondary-panels .section-title-with-action>div{min-width:0}.app-nav-secondary-panels .section-title-with-action>.icon-button{width:24px;min-height:24px;border-color:transparent;background:transparent}.app-nav-secondary-panels .section-title-with-action>.icon-button:hover{background:var(--surface-2);border-color:var(--line)}.app-nav-secondary-panels .section-toggle{min-height:auto;padding:14px 0 8px}.app-nav-secondary-panels .section-toggle .section-title{padding-top:0;margin-bottom:0}.app-nav-secondary-panels .section-toggle .section-title span{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}.app-nav-secondary-panels .section-toggle .section-title svg{width:12px;height:12px}.app-nav-secondary-panels .panel-section-head{display:flex;align-items:center;padding:14px 0 8px;gap:4px}.app-nav-secondary-panels .section-toggle-label{display:flex;align-items:center;gap:6px;flex:1;min-width:0;background:none;border:none;cursor:pointer;padding:0;color:inherit;font:inherit;text-align:left}.app-nav-secondary-panels .section-toggle-label>span{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.app-nav-secondary-panels .section-toggle-label>svg{flex-shrink:0;width:12px;height:12px;color:var(--muted)}.app-nav-secondary-panels .panel-section-head>.icon-button{width:24px;min-height:24px;flex-shrink:0;border-color:transparent;background:transparent}.app-nav-secondary-panels .panel-section-head>.icon-button:hover{background:var(--surface-2);border-color:var(--line)}.app-nav-secondary-panels 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.icon-button.small:hover{border-color:var(--line);background:#fff;color:var(--text)}.app-nav-secondary-panels .caregiver-list,.app-nav-secondary-panels .child-card-list{gap:2px;margin-bottom:8px}.app-nav-secondary-panels .entity-card-main strong{font-size:12px;font-weight:600}.app-nav-secondary-panels .entity-card-main span{font-size:11px}.app-nav-secondary-panels .child-card b{min-width:26px;min-height:26px;font-size:11px}.app-nav-secondary-panels .info-chip{border:none;border-radius:0;background:transparent;min-height:20px;padding:1px 0;font-size:11px;font-weight:600;gap:4px}.app-nav-secondary-panels .info-chip small{font-size:10px;font-weight:500}.app-nav-secondary-panels .chip-list{flex-direction:column;gap:3px}.app-nav-secondary-panels .chip-list.compact{gap:3px}.app-nav-secondary-panels .school-config{gap:8px;padding-bottom:10px}.app-nav-secondary-panels 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#2c6ef2)}.resize-handle:focus-visible{background:#2c6ef214}.resize-handle.resizing{background:#2c6ef21f}@media(max-width:1024px){.resize-handle{display:none}}.nav-collapsed .app-nav{grid-template-columns:64px}.nav-collapsed .app-nav-secondary{display:none}.nav-collapsed .app-nav-header{justify-content:center;padding:14px 10px}.nav-collapsed .app-nav-brand{display:none}.nav-collapsed .app-nav-main,.nav-collapsed .app-nav-footer{align-items:center;padding-inline:10px}.nav-collapsed .app-nav-item{justify-content:center;width:40px;padding:0}.settings-menu{position:relative;flex:0 0 auto}.settings-popover{position:absolute;top:calc(100% + 8px);left:0;z-index:50;display:grid;gap:4px;width:260px;border:1px solid var(--line);border-radius:8px;padding:6px;background:var(--surface);box-shadow:0 18px 50px #1118272e}.menu-item{display:flex;align-items:center;justify-content:flex-start;gap:9px;min-height:38px;width:100%;border:0;border-radius:6px;padding:0 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7px;border-radius:4px;background:#2563eb1f;color:var(--blue);text-transform:uppercase;letter-spacing:.04em}.session-row-meta{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:3px;font-size:11.5px;color:var(--muted)}.session-row-action{flex-shrink:0}.session-row-action .secondary-button.small{min-height:30px;padding:0 10px;font-size:12px;font-weight:600}[id]{scroll-margin-top:92px}label{display:grid;gap:5px;color:var(--muted);font-size:12px;font-weight:700}.state-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.state-check{display:block;position:relative;min-width:0}.state-check input{position:absolute;opacity:0;pointer-events:none}.state-check span{display:grid;place-items:center;min-height:32px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--muted)}.state-check 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8px}.ghost-button:hover{background:var(--surface-2);color:var(--text)}.primary-button{background:var(--blue);color:#fff}.secondary-button{border-color:var(--line);background:#fff;color:var(--text);text-decoration:none}.warning-button{border-color:#c2414b40;background:#c2414b17;color:var(--red);text-decoration:none}.icon-button{width:36px;padding:0;border-color:var(--line);background:#fff;color:var(--text)}.icon-button.small{width:30px;min-height:30px}.inline-form{display:grid;align-items:center;gap:7px}.inline-form{grid-template-columns:minmax(0,1fr) 78px 36px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:grid;place-items:center;padding:18px;background:#11182759}.modal-panel{width:min(460px,100%);border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 24px 70px #1118273d}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}.modal-header h2{margin:0;font-size:17px}.modal-form{display:grid;gap:12px;padding:16px}.modal-content{display:grid;gap:14px;padding:16px}.dialog-copy{margin:0;color:var(--muted);line-height:1.45}.modal-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.checkbox-label{display:flex;align-items:center;gap:8px;flex-direction:row;font-size:13px;font-weight:600;cursor:pointer}.checkbox-label input[type=checkbox]{width:15px;height:15px;flex-shrink:0;accent-color:var(--red);cursor:pointer}.warning-note{margin:0;padding:9px 12px;border-radius:6px;border:1px solid rgba(220,38,38,.25);background:#dc26260f;color:var(--red);font-size:12px;line-height:1.4}.placeholder-shell .app-main{display:flex;flex-direction:column;min-height:100vh}.placeholder-content{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:32px;text-align:center;max-width:420px;flex:1;align-self:center}.placeholder-content .placeholder-icon{display:grid;place-items:center;width:88px;height:88px;border-radius:50%;background:var(--surface-2);color:var(--muted)}.placeholder-content h1{margin:0;font-size:28px}.placeholder-content p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}.source-line{gap:8px;color:var(--muted);font-size:12px}.summary-strip{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:6px}.summary-pill{display:inline-flex;align-items:center;gap:7px;min-height:30px;border:1px solid var(--line);border-radius:6px;padding:0 9px;background:#fff;color:var(--muted);font-size:12px}.summary-pill.strong{border-color:#0f766e47;background:#0f766e14;color:var(--green)}.summary-pill.compact{min-height:24px;font-size:11px}.summary-pill.selected{border-color:#2563eb47;background:#2563eb14;color:var(--blue)}.summary-pill 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var(--line);background:var(--bg);overflow:visible}.night-caregiver-cell:before{content:"";position:absolute;top:-200px;bottom:0;left:50%;width:0;transform:translate(-50%);border-left:1.5px dashed #94a3b8;pointer-events:none}.night-caregiver-cell.is-overnight:before{border-left:2px dashed var(--night-color, var(--blue));opacity:.9}.night-caregiver-cell .cell-button{position:relative;z-index:1;width:26px;min-height:26px;padding:0;border-radius:50%;background:var(--bg);border-color:var(--line);color:var(--muted)}.night-caregiver-cell .cell-button:hover{background:#fff;border-color:#b8c8e0}.night-caregiver-cell .cell-button.selected{border-color:var(--night-color, var(--blue));background:var(--night-color, var(--blue));color:#fff}.alert{display:flex;align-items:center;gap:8px;min-height:38px;border:1px solid rgba(194,65,75,.25);border-radius:6px;padding:8px 10px;background:#c2414b14;color:var(--red)}.alert.info{border-color:#2563eb40;background:#2563eb14;color:#1d4ed8}.command-box{display:grid;gap:6px;border:1px solid var(--line);border-radius:6px;padding:10px;background:#fbfcfe}.command-box code{overflow-wrap:anywhere;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:13px}.checkbox-line{display:flex!important;flex-direction:row!important;align-items:center;gap:8px;font-size:13px;font-weight:500}.checkbox-line input[type=checkbox]{width:16px;height:16px}.checkbox-line small{color:var(--muted);font-size:11px}.periods-form{gap:14px}.periods-quick-row{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap}.periods-list{display:flex;flex-direction:column;gap:4px}.periods-list-head{display:grid;grid-template-columns:30px 1fr 1fr 32px;gap:8px;align-items:center;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:0 4px 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