/* Homework-first: cool daylight surfaces, one action blue. */
:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none;color:#24334b;background:#f4f6fa;--blue:#345bd4;--muted:#65718a;--line:#e3e8f0;--red:#b13c43;--radius:14px;accent-color:var(--blue);scrollbar-color:#b8c5de #f4f6fa;caret-color:var(--blue)}
*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,textarea{font:inherit}button{cursor:pointer;border:0;display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 16px;border-radius:10px;font-weight:600;color:inherit;background:transparent;transition:background .16s,color .16s,box-shadow .16s}button:hover{background:#e9edf7}button:active{background:#dee5f4}button:disabled{opacity:.5;cursor:wait}button.primary{background:var(--blue);color:#fff;box-shadow:0 4px 12px #345bd41a}button.primary:hover{background:#2849b5}button.secondary{background:#edf1f8;color:#34486b}button.secondary:hover{background:#e0e7f3}button.danger{color:var(--red)}button.danger:hover{background:#fbebed}button.text-button{padding:8px 0;color:var(--blue);font-size:14px;justify-content:flex-start}button.icon-button{padding:10px;min-width:44px;color:var(--muted)}svg{width:20px;height:20px;display:block;flex-shrink:0}[data-icon]{display:inline-flex;align-items:center;justify-content:center}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #91a8f1;outline-offset:3px}::selection{background:#dbe4ff;color:#183885}input,textarea{border:1px solid #ccd5e3;border-radius:9px;padding:12px;background:white;color:#24334b;min-height:44px;max-width:100%;min-width:0}input::placeholder,textarea::placeholder{color:#69768d;opacity:1}textarea{resize:vertical;line-height:1.5}input[type=date],input[type=time]{font-variant-numeric:tabular-nums}h1,h2,h3,p{margin:0}h1{font-size:34px;font-weight:700;letter-spacing:-.035em;line-height:1.2}h2{font-size:18px;font-weight:650;letter-spacing:-.018em}h3{font-size:16px;font-weight:650;line-height:1.4}p{line-height:1.55}.muted{color:var(--muted);font-size:14px}.sidebar{position:fixed;inset:0 auto 0 0;width:230px;padding:42px 22px;background:#eaf0f9;border-right:1px solid #e1e7f0;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;font-size:19px;line-height:1.2;font-weight:700;letter-spacing:-.02em;margin:0 10px 48px}.brand-mark{width:44px;height:44px;background:var(--blue);color:white;border-radius:13px}.brand-mark svg{width:24px;height:24px}.sidebar nav{display:grid;gap:8px}.sidebar nav button{justify-content:flex-start;padding:14px 16px;color:#596983}.sidebar nav [aria-current]{background:#fff;color:#284bb7;box-shadow:0 3px 10px #30457006}.sidebar-note{margin-top:auto;padding:18px 10px;color:#566786;font-size:13px;line-height:1.8}.workspace{margin-left:230px;max-width:1450px}.page-header{padding:42px 48px 30px;display:flex;justify-content:space-between;align-items:center;gap:20px;position:sticky;top:0;z-index:5;background:#f4f6faf2;backdrop-filter:blur(12px)}.page-header p{margin-top:8px;color:var(--muted);font-size:14px}.page-header .primary{min-height:46px}main{padding:0 48px 60px;outline:none}.home-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:36px;align-items:start}.task-area{min-width:0}.toolbar{display:flex;gap:10px;align-items:center}.search{border:1px solid var(--line);border-radius:12px;background:white;display:flex;align-items:center;gap:12px;padding:0 14px;flex:1;min-width:0;color:var(--muted)}.search input{border:0;background:transparent;width:100%;padding:14px 0;font-size:14px;outline-offset:0}.filter-bar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:20px 0 28px}.segments{display:flex;background:#e9edf5;border-radius:10px;padding:3px;gap:2px}.segments button{font-size:13px;min-height:36px;padding:7px 13px;color:#59677e;border-radius:7px}.segments [aria-pressed=true]{background:white;color:#30456c;box-shadow:0 2px 5px #3045700a}.date-filter input{background:transparent;border-color:transparent;color:#586780;font-size:13px;padding:8px;max-width:154px}.date-filter input:hover{background:#e9edf5}#date-scope{display:flex;align-items:center;gap:16px;font-size:13px;margin-bottom:20px;color:var(--muted)}.task-group{margin-bottom:28px}.group-heading{display:flex;align-items:center;gap:10px;padding:0 2px;margin-bottom:10px}.group-heading h2{font-size:15px}.group-heading .group-count{font-size:12px;color:var(--muted);background:#e8edf5;padding:2px 7px;border-radius:6px}.task-group.overdue .group-heading{color:var(--red)}.task-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:white}.task-row{display:grid;grid-template-columns:40px minmax(0,1fr) 40px;gap:7px;padding:19px 16px 19px 12px;border-bottom:1px solid #edf0f5;align-items:start;overflow-wrap:anywhere}.task-row:last-child{border-bottom:0}.complete-button{padding:10px;min-width:40px;min-height:40px;border-radius:10px;margin-top:-4px}.complete-circle{display:block;width:20px;height:20px;border:1.5px solid #b9c5d8;border-radius:7px}.complete-button:hover .complete-circle{border-color:var(--blue);background:#edf1ff}.task-copy{min-width:0}.task-copy h3{margin-bottom:5px}.task-copy p{font-size:14px;color:#53617a;white-space:pre-wrap;line-height:1.55}.task-due{display:flex;gap:6px;align-items:center;font-size:12px;color:#67758e;margin-top:11px;font-variant-numeric:tabular-nums}.task-due svg{width:14px;height:14px}.overdue .task-due{color:var(--red)}.completed h3{text-decoration:line-through;color:#66748c}.completed .task-copy p{color:#63718a}.completed .complete-button{color:var(--blue)}.row-edit{margin-top:-5px}.row-edit svg{width:17px;height:17px}.today-aside{padding:22px 0 0 28px;border-left:1px solid var(--line);margin-top:0}.aside-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.aside-heading h2{font-size:16px}.aside-heading [data-icon]{color:#697e9f}.today-aside>.muted{margin:8px 0 22px}.aside-empty{font-size:14px;color:#68768e;line-height:1.7;margin:16px 0 10px}.lesson-mini{margin-bottom:18px}.lesson-mini small{display:block;color:var(--muted);font-size:12px;margin-bottom:5px;font-variant-numeric:tabular-nums}.lesson-mini h3{font-size:14px;font-weight:600}.schedule-link{gap:8px;margin-top:8px}.quiet-note{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);color:#5e7398}.quiet-note p{font-size:13px;color:#596d8e;margin-top:12px}.empty-state{padding:58px 28px;text-align:center;background:white;border:1px solid var(--line);border-radius:14px}.empty-symbol{display:inline-flex;padding:17px;background:#edf2fe;color:#5273cb;border-radius:16px;margin-bottom:22px}.empty-symbol svg{width:28px;height:28px}.empty-state h2{font-size:21px;margin-bottom:10px}.empty-state p{font-size:14px;color:var(--muted);max-width:320px;margin:0 auto 24px}.empty-state button{margin:auto}.loading{padding:48px;color:var(--muted)}#status{margin:0 0 18px;padding:12px 16px;border-radius:10px;background:#e8eefb;font-size:14px;color:#345182}#status.error{color:#93343b;background:#fcebed}#error-actions{margin:-8px 0 20px}.schedule-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px}.day-picker{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));padding:5px;background:#e9edf5;border-radius:12px;margin-bottom:30px;gap:4px;max-width:760px}.day-picker button{color:#5e6e88;padding:12px 6px}.day-picker [aria-pressed=true]{background:white;color:#3158c9;box-shadow:0 2px 5px #253e660c}#day-heading{margin-bottom:20px;font-size:21px}.timeline{max-width:760px}.lesson-row{display:grid;grid-template-columns:85px 26px minmax(0,1fr);gap:18px;min-height:88px}.lesson-time{font-variant-numeric:tabular-nums;font-size:15px;font-weight:600}.lesson-time small{display:block;margin-top:5px;font-weight:400;font-size:12px;color:var(--muted)}.lesson-index{position:relative;color:#5b7097;font-size:12px;text-align:center;padding-top:5px}.lesson-index:after{content:"";display:block;width:1px;height:45px;background:#d8e0ed;position:absolute;left:50%;top:26px}.lesson-row:last-child .lesson-index:after{display:none}.lesson-row h3{padding-top:1px}.timeline-empty{padding:28px 0 36px;color:var(--muted);font-size:14px}.draft{margin-top:32px;border-top:1px solid var(--line);padding-top:22px;max-width:760px;font-size:14px;color:#5c6c85}.draft summary{cursor:pointer;font-weight:600;min-height:44px}.draft p{margin:10px 0 14px}.slot{padding:20px;background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;max-width:760px}.slot-fields{display:grid;grid-template-columns:65px 1fr 1fr;gap:12px}.slot label,dialog label{display:grid;gap:8px;font-size:13px;font-weight:600;margin-bottom:18px}.slot input{width:100%}.form-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}dialog{border:0;padding:30px;border-radius:20px;width:500px;max-width:calc(100% - 28px);max-height:calc(100dvh - 32px);color:inherit;box-shadow:0 18px 75px #14234030;overscroll-behavior:contain}dialog::backdrop{background:#19294465;backdrop-filter:blur(3px)}body:has(dialog[open]){overflow:hidden}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}.dialog-heading h2{font-size:23px}dialog input,dialog textarea{width:100%;font-weight:400;font-size:15px}dialog .check{display:flex;align-items:center;font-weight:400}dialog .check input{width:18px;height:18px;min-height:18px;margin:0 4px 0 0}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}#dialog-error{color:#a03540;font-size:13px}#delete-task{margin-right:auto}.mobile-nav{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-80px;left:16px;z-index:100;padding:12px 16px;background:var(--blue);color:white;border-radius:8px}.skip:focus{top:10px}[hidden]{display:none!important}
@media(min-width:1600px){.workspace{margin-right:auto}.home-layout{grid-template-columns:minmax(0,760px) 280px}}
@media(max-width:1180px){.sidebar{width:190px;padding:32px 14px}.workspace{margin-left:190px}.page-header{padding:32px 30px 26px}main{padding:0 30px 50px}.home-layout{gap:25px;grid-template-columns:minmax(0,1fr) 225px}.today-aside{padding-left:22px}.segments button{padding-inline:10px}}
@media(max-width:960px){.home-layout{display:block}.today-aside{display:none}.page-header{padding:30px}.task-area{max-width:760px}.filter-bar{margin-bottom:25px}}
@media(max-width:650px){.sidebar{display:none}.workspace{margin:0}.page-header{padding:23px 20px 19px;gap:12px;align-items:flex-start}.page-header h1{font-size:29px}.page-header p{font-size:12px;margin-top:6px}.page-header #add-task{font-size:12px;padding:10px 12px;gap:6px;min-height:42px;margin-top:2px}.page-header #add-task svg{width:16px;height:16px}.page-header #add-task span:last-child{max-width:94px;line-height:1.35;text-align:left}main{padding:0 20px 112px}.toolbar{gap:6px}.search{padding:0 12px;gap:9px}.search input{font-size:13px;padding:13px 0}.search svg{width:18px;height:18px}.toolbar>.icon-button{padding:10px 7px;min-width:36px}.filter-bar{gap:4px;margin:17px 0 25px;flex-wrap:wrap}.segments button{font-size:12px;padding:7px 11px}.date-filter input{font-size:12px;max-width:140px;padding:7px 3px}.task-group{margin-bottom:26px}.task-row{padding:17px 8px 17px 7px;grid-template-columns:34px minmax(0,1fr) 32px;gap:5px}.complete-button{min-width:34px;padding:7px}.task-copy h3{font-size:15px}.task-copy p{font-size:13px;line-height:1.6}.row-edit{padding:8px!important;min-width:32px!important;min-height:36px!important}.task-due{font-size:11px;margin-top:10px}.group-heading h2{font-size:14px}.mobile-nav{position:fixed;bottom:0;left:0;right:0;z-index:10;display:grid;grid-template-columns:1fr 1fr;background:#fbfcffeb;backdrop-filter:blur(16px);border-top:1px solid #dfe5ef;padding:8px 24px max(8px,env(safe-area-inset-bottom));gap:16px}.mobile-nav button{display:flex;flex-direction:column;gap:5px;font-size:11px;min-height:52px;padding:7px}.mobile-nav [aria-current]{color:var(--blue);background:#eaf0fd}.mobile-nav svg{width:20px;height:20px}.empty-state{padding:42px 20px}.empty-state h2{font-size:20px}.schedule-heading{align-items:flex-start;margin-bottom:20px}.schedule-heading p{font-size:13px;max-width:135px}.schedule-heading button{font-size:12px;padding:10px}.day-picker{padding:4px;gap:1px;margin-bottom:25px}.day-picker button{padding:10px 3px;font-size:13px;min-height:44px}.lesson-row{grid-template-columns:67px 20px minmax(0,1fr);gap:10px}.lesson-time{font-size:14px}.lesson-row h3{font-size:15px}.slot{padding:16px}.slot-fields{gap:8px;grid-template-columns:48px minmax(0,1fr) minmax(0,1fr)}.slot input{padding:10px 7px;font-size:14px}.form-actions button{flex:1;font-size:13px}.form-actions button:first-child{flex-basis:100%}dialog{padding:23px 20px;border-radius:18px}.dialog-heading h2{font-size:21px}.dialog-actions{flex-wrap:wrap}.dialog-actions button{font-size:13px}.draft{font-size:13px}.quiet-note{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}dialog::backdrop{backdrop-filter:none}}