/* Shared visual layer. Existing element IDs and behavior remain intact. */
body{margin:0;background:#f6f7f9}#lh{--ink:#202633;--muted:#737b89;--line:#e6e8ed;--bg:#f6f7f9;--navy:#252f43;--aqua:#5273e8;font:14px -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;border-radius:0;overflow:visible;min-height:100vh}#lh button,#lh input,#lh select,#lh textarea{font-family:inherit}#lh button,#lh a,#lh summary,#lh select{ -webkit-tap-highlight-color:transparent}#lh button:focus-visible,#lh a:focus-visible,#lh summary:focus-visible{outline:3px solid #5273e888;outline-offset:3px}.lh-shell{display:block;min-height:100vh}.lh-app-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.lh-header-inner{max-width:1240px;margin:auto;padding:0 28px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}.lh-brand{padding:0;font-size:20px;letter-spacing:-.6px;display:flex;align-items:center;color:#202633;text-decoration:none;white-space:nowrap}.lh-brand i{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#5273e8;color:white;font-size:24px;margin-right:9px}.lh-nav{display:flex;gap:5px;background:#f4f5f8;border:1px solid #eceef2;padding:4px;border-radius:11px}.lh-nav button{padding:9px 19px;text-align:center;font-size:13px;color:#727887;border-radius:7px;white-space:nowrap}.lh-nav button.active{background:#fff;color:#293c7c;box-shadow:0 1px 5px #20263312}.lh-nav button:hover:not(.active){background:#e9ecf3;color:#303b52}.lh-user{font-size:12px;color:#747b88}.lh-avatar{background:#eef0ff;color:#5766a9;width:31px;height:31px;font-size:12px}.lh-main{max-width:1240px;margin:0 auto;padding:0 28px 32px}.lh-sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.lh-head{margin:25px 0 18px;align-items:center;gap:16px}.lh-head h1{font-size:27px;letter-spacing:-.9px;font-weight:650}.lh-head p:not(.lh-eyebrow){font-size:13px;margin-top:5px}.lh-primary{background:#5273e8;color:#fff;padding:10px 16px;box-shadow:0 2px 3px #5273e81a}.lh-primary:hover{background:#4263d6}.lh-secondary{padding:9px 12px;color:#525d70;border-color:#e0e4ec}.lh-secondary:hover{background:#f5f7fb}.lh-primary,.lh-secondary{font-size:12px;border-radius:8px;transition:background .15s}.lh-sync{background:transparent;border:0;border-radius:0;padding:0 2px;margin:0 0 12px;gap:12px}.lh-sync>div{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.lh-sync strong{font-size:12px;font-weight:600}.lh-sync strong:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#9aa3b5;margin-right:7px}.lh-sync p{margin:0;font-size:11px;color:#737b89}.lh-sync button{padding:6px 11px;font-size:11px}.lh-calendar{border-radius:12px;padding:16px;background:#fff;box-shadow:0 2px 6px #20263303}.lh-calhead{margin-bottom:7px;gap:10px;flex-direction:row;align-items:center}.lh-month-controls{gap:8px}.lh-calhead h2{font-size:15px;font-weight:650;letter-spacing:-.3px}.lh-calhead button{font-size:22px;min-width:28px;height:29px;border-radius:6px;background:#f5f6f9;cursor:pointer}.lh-calhead button:hover{background:#e9edf7}.lh-calhead #calendar-today{font-size:10px;padding:3px 8px;border:1px solid #e6e8ed}.lh-import-badge{font-size:10px;background:#f0f2f7;color:#6e7787;padding:5px 8px;border-radius:6px}.lh-calendar-note{font-size:11px;line-height:1.45;margin:7px 0}.lh-calendar-legend{padding:7px 0 12px;gap:8px 15px;font-size:10px;color:#697183}.lh-calendar-legend i{width:7px;height:7px}.lh-course-filter{font-size:11px}.lh-course-filter select{font-size:11px;max-width:190px;padding:6px;background:#fafbfd}.lh-week{font-size:10px;font-weight:600;padding:9px 0;background:#fafbfd;border-top:1px solid #edf0f5}.lh-days{gap:0;padding:0;grid-auto-rows:minmax(125px,auto)}.lh-day{background:#fff;border-right:1px solid #edf0f5;border-bottom:1px solid #edf0f5;border-radius:0;padding:8px;min-height:125px}.lh-day:nth-child(7n){border-right:0}.lh-day.today{background:#f5f7ff}.lh-day>b{font-size:11px;color:#747e91;margin-bottom:7px;font-weight:600}.lh-day.today>b{color:#5273e8}.lh-day .lh-event{border-radius:5px;font-size:10px;line-height:1.35;padding:5px 6px;margin:4px 0}.lh-day .lh-event strong{font-weight:550}.lh-day .lh-event small{font-size:9px;opacity:.8;margin-top:3px}.lh-imports{margin-top:14px;padding:0;border-radius:12px;overflow:hidden}.lh-import-summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:17px 20px;font-size:14px;font-weight:600;cursor:pointer}.lh-import-summary::-webkit-details-marker{display:none}.lh-summary-hint{font-size:11px;font-weight:400;color:#7c8493}.lh-summary-hint b{font-size:18px;margin-left:16px;display:inline-block;font-weight:400}.lh-imports[open] .lh-summary-hint b{transform:rotate(45deg)}.lh-imports[open] .lh-import-summary{border-bottom:1px solid var(--line)}.lh-import-grid{padding:16px;gap:16px}.lh-import-form{padding:16px;border-radius:9px;background:#fafbfd}.lh-import-icon{display:none}.lh-import-form h3{font-size:14px;margin:0 0 5px}.lh-import-form p{min-height:0;font-size:11px;margin-bottom:12px}.lh-import-form label{font-size:11px}.lh-import-form input:not([type=file]),.lh-import-form .lh-category-select{font-size:12px;padding:8px 10px;margin-bottom:10px}.lh-import-form small{font-size:10px;margin-bottom:12px}.lh-imports>.lh-calendar-note,.lh-imports>.lh-import-status{margin:0 20px 12px}.lh-import-sources{padding:14px 20px}.lh-import-sources h3{font-size:13px;margin-bottom:0}.lh-source-row{padding:11px 0}.lh-source-row:last-child{border-bottom:0}.lh-source-row strong{font-size:12px}.lh-source-row small{font-size:10px}.lh-import-status:empty,#course-status:empty,#task-save-status:empty,#task-error:empty,#course-error:empty{display:none}.lh-card,.lh-course{border-radius:12px;box-shadow:0 2px 6px #20263303}.lh-course-picker{padding:20px;background:#fff;border:1px solid #d7dff6;box-shadow:0 2px 6px #20263303;margin-bottom:18px}.lh-course-picker-intro{gap:12px;margin-bottom:16px}.lh-course-step{background:#eef2ff;color:#5273e8;width:34px;height:34px;flex-basis:34px;border-radius:9px;font-size:13px}.lh-course-picker h2{font-size:20px;margin:0 0 5px;letter-spacing:-.5px}.lh-course-picker .lh-eyebrow{display:none}.lh-course-picker-intro p:last-child{font-size:12px;line-height:1.5}.lh-course-picker>label{font-size:12px;margin-bottom:8px}#study-course{min-height:50px;padding:12px 15px;font-size:16px;border:1px solid #b9c8ef;box-shadow:none;border-radius:8px}#study-course-help{font-size:11px;margin-top:8px}.lh-course-context{margin-top:15px;padding-top:15px}.lh-context-title{margin-bottom:10px}.lh-context-title .lh-eyebrow{display:block}.lh-context-grid{gap:12px;margin-bottom:10px}.lh-context-grid>div{padding:11px;background:#f7f8fb;border:1px solid #edf0f5}.lh-context-grid p{font-size:12px;line-height:1.45}.lh-study-next{font-size:12px;margin:0 0 10px;color:#798293}.lh-chooser{gap:14px}.lh-choice{padding:18px;border-radius:11px}.lh-choice h3{font-size:16px;margin:10px 0 6px}.lh-choice p{font-size:12px;margin:0}.lh-choice .lh-icon{width:32px;height:32px;border-radius:8px;font-size:17px;background:#eef2ff;color:#5273e8}.lh-choice.active{border-color:#a4b6f2;box-shadow:0 0 0 2px #eef2ff}.lh-upload{padding:16px;margin-top:16px;border:1px dashed #cbd3e3;background:#fff;display:flex;align-items:center;gap:14px;text-align:left;flex-wrap:wrap}.lh-upload .lh-up{font-size:20px;color:#7c8db5}.lh-upload b{font-size:13px;margin:0}.lh-upload small{font-size:11px}.lh-upload p{margin:0 0 0 auto}.lh-course{padding:18px}.lh-course h3{font-size:17px;margin-top:12px}.lh-course small{font-size:11px}.lh-course p{font-size:12px;line-height:1.6}.lh-course hr{margin:12px 0}.lh-course .lh-courseicon{width:32px;height:32px;border-radius:8px;font-size:17px}.lh-policy{font-size:12px;padding:10px 0}.lh-policy small{font-size:11px}.lh-task-dialog,.lh-event-dialog{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;border-radius:14px;box-shadow:0 20px 80px #17243d33;padding:22px}.lh-task-header{margin-bottom:16px}.lh-task-header h2{font-size:22px}.lh-task-dialog input,.lh-task-dialog select,.lh-task-dialog textarea{margin-bottom:12px;font-size:13px;padding:9px}.lh-task-dialog .lh-eyebrow{display:none}.lh-syllabus-upload{padding:13px;background:#f8faff;border-color:#ccd6eb}.lh-syllabus-upload textarea{min-height:90px}.lh-syllabus-upload p{margin:8px 0;font-size:11px}.lh-syllabus-upload small{font-size:10px}.lh-task-actions{margin-top:12px}.lh-event-dialog h2{font-size:21px}.lh-event-dialog::backdrop,.lh-task-dialog::backdrop{background:#17243d66;backdrop-filter:blur(3px)}
@media(max-width:900px){.lh-header-inner{padding:0 20px;gap:14px}.lh-main{padding:0 20px 25px}.lh-nav button{padding:9px 13px}.lh-calhead{align-items:flex-start;flex-direction:column}.lh-coursegrid{grid-template-columns:repeat(2,minmax(0,1fr))}.lh-user>span{display:none}.lh-summary-hint{font-size:10px}}
@media(max-width:650px){.lh-header-inner{height:auto;min-height:64px;flex-wrap:wrap;padding:12px 16px 10px;gap:12px}.lh-brand{font-size:18px}.lh-user{margin-left:auto}.lh-nav{order:3;width:100%;justify-content:space-between}.lh-nav button{flex:1;padding:8px 7px;font-size:12px}.lh-main{padding:0 12px 24px}.lh-head{flex-direction:row;align-items:center;margin:19px 0 15px}.lh-head h1{font-size:24px}.lh-head p:not(.lh-eyebrow){font-size:11px}.lh-primary{padding:10px 12px}.lh-sync>div{gap:4px}.lh-sync{align-items:center}.lh-sync strong{font-size:11px}.lh-sync p{font-size:10px}.lh-calendar{padding:10px;overflow-x:auto}.lh-calendar .lh-week,.lh-calendar .lh-days{min-width:630px}.lh-calendar-note{font-size:10px}.lh-calhead h2{font-size:13px}.lh-month-controls{gap:6px}.lh-calendar-legend{font-size:10px;gap:7px 12px}.lh-import-summary{padding:14px;font-size:13px}.lh-summary-hint{font-size:0}.lh-summary-hint b{font-size:20px;margin:0}.lh-import-grid{grid-template-columns:1fr;padding:12px;gap:12px}.lh-import-sources{padding:12px 14px}.lh-import-form{padding:13px}.lh-coursegrid,.lh-chooser{grid-template-columns:1fr}.lh-course-picker{padding:15px}.lh-course-picker h2{font-size:18px}.lh-context-grid{grid-template-columns:1fr}.lh-source-controls{width:100%;justify-content:space-between}.lh-upload{gap:10px}.lh-upload p{margin-left:0}.lh-task-dialog,.lh-event-dialog{padding:18px}.lh-task-dates{grid-template-columns:1fr 1fr;gap:10px}.lh-task-dialog{max-height:88vh}.lh-head>button{flex-shrink:0}}
@media(prefers-reduced-motion:reduce){#lh *{transition:none!important}}
.lh-mobile-calendar-hint{display:none}@media(max-width:650px){.lh-mobile-calendar-hint{display:block;font-size:10px;color:#7c8493;margin:0 0 8px}}
.lh-coursegrid{align-items:start}.lh-expandable-course{padding:0;overflow:hidden}.lh-course-toggle{display:flex;align-items:center;gap:12px;list-style:none;cursor:pointer;padding:20px;min-height:104px}.lh-course-toggle::-webkit-details-marker{display:none}.lh-course-toggle:hover{background:#fafbff}.lh-course-toggle:focus-visible{outline:3px solid #5273e888;outline-offset:-3px}.lh-course-toggle .lh-courseicon{flex-shrink:0}.lh-course-heading{flex:1;min-width:0}.lh-course-heading h3{margin:0 0 6px;font-size:16px;overflow-wrap:anywhere}.lh-course-heading small{line-height:1.4;display:block}.lh-course-expand-icon{font-size:22px;font-weight:300;color:#7a88a3;transition:transform .15s}.lh-expandable-course[open] .lh-course-expand-icon{transform:rotate(45deg)}.lh-expandable-course[open]{border-color:#bccaf2}.lh-syllabus-highlights{padding:0 20px 18px;border-top:1px solid #edf0f5}.lh-syllabus-highlights h4{margin:17px 0;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#7b8597}.lh-syllabus-highlights section{margin:0 0 14px}.lh-syllabus-highlights h5{font-size:12px;margin:0 0 6px;color:#374768}.lh-syllabus-highlights ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}.lh-syllabus-highlights li{font-size:12px;line-height:1.6;overflow-wrap:anywhere;color:#59647a}.lh-syllabus-highlights .lh-highlight-note{font-size:10px;color:#8991a0;margin:14px 0 0}.lh-syllabus-highlights .lh-course-syllabus{font-size:11px;margin:12px 0 0}