/* Course and note surfaces inherit the shared workspace tokens. */
.course-workspace{max-width:1040px;margin:0 auto;min-width:0}.course-tabs{display:flex;gap:24px;border-bottom:1px solid var(--border);margin-bottom:24px}.course-tabs>a{display:flex;align-items:center;gap:8px;min-height:48px;border-bottom:2px solid transparent;color:var(--muted);font-size:14px;padding:8px 4px}.course-tabs>a[aria-current]{color:var(--ink);border-bottom-color:var(--ink);font-weight:600}
.course-workspace .course-grid{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.course-workspace .course-card{background:var(--color-surface);border:1px solid var(--border);box-shadow:none;padding:14px 18px;min-width:148px;text-align:left;transform:none}.course-workspace .course-card h3{font-size:14px;margin:0 0 8px}.course-workspace .course-card footer{font-size:12px;color:var(--muted)}.course-workspace .course-card .code{display:none}.course-workspace .course-card.selected{background:var(--soft);border-color:var(--muted)}.course-workspace .session-list{border-top:1px solid var(--border)}
.note-list{border-top:1px solid var(--border)}.note-row{display:flex;align-items:center;gap:16px;min-width:0;min-height:96px;border-bottom:1px solid var(--border);padding:20px 8px}.note-row:hover{background:var(--soft)}.note-row>div{min-width:0;flex:1}.note-row h2{font-size:16px;line-height:1.6;margin:0 0 6px;overflow-wrap:anywhere}.note-row p{display:flex;flex-wrap:wrap;gap:6px;font-size:12px;color:var(--muted);margin:0}.note-file-icon{display:grid;place-items:center;width:44px;height:44px;background:var(--soft);border:1px solid var(--border);border-radius:8px;flex-shrink:0}.note-row-arrow{color:var(--muted)}.note-workspace{min-width:0}.note-top{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:24px}.note-top .btn-row{margin-left:auto}.note-title{width:100%;font-size:28px;font-weight:600;letter-spacing:-.5px;border:1px solid transparent;background:none;padding:10px 0;line-height:1.4;height:auto;margin-bottom:12px;color:var(--ink)}.note-title:focus{border-color:var(--border);padding-inline:8px}.note-context{display:flex;align-items:center;gap:8px 18px;flex-wrap:wrap;font-size:12px;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:20px}.note-context a{display:inline-flex;align-items:center;gap:4px;min-height:32px;text-decoration:underline;text-underline-offset:3px}.note-context .icon{width:14px;height:14px}
#note-editor{--border-color:var(--border);--second-color:var(--muted);--panel-background-color:var(--color-surface);--toolbar-background:var(--color-surface);--textarea-background-color:var(--color-surface);--textarea-text-color:var(--ink);--toolbar-icon-color:var(--muted);--toolbar-icon-hover-color:var(--ink);--toolbar-icon-hover-background:var(--soft);min-width:0;border-color:var(--border);border-radius:var(--radius);font-family:inherit}#note-editor .vditor-toolbar{padding:8px;border-bottom:1px solid var(--border);background:var(--color-surface)}#note-editor .vditor-toolbar>div{padding:0 2px}#note-editor .vditor-toolbar button{min-width:36px;min-height:44px}#note-editor .vditor-reset{font-family:inherit;font-size:16px;line-height:1.9;padding:24px;overflow-wrap:anywhere;color:var(--ink)}#note-editor .vditor-reset pre{max-width:100%;overflow:auto}#note-editor .vditor-content{min-width:0}#note-editor .vditor-ir__node{max-width:100%}
.task-choice{display:flex;align-items:flex-start;gap:20px;justify-content:space-between}.task-choice .todo-main{margin:8px 0;flex:1}.task-choice>.btn{margin:0;flex-shrink:0}.todo-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;padding-left:28px;color:var(--muted);font-size:12px}.todo-meta .icon-btn{margin-left:auto;min-width:44px;min-height:44px}.todo-meta a{min-height:32px;display:inline-flex;align-items:center;text-decoration:underline;text-underline-offset:3px}.personal-todo-list .todo-row{border-bottom:1px solid var(--border);padding-block:16px}.personal-todo-list .todo-main{align-items:flex-start}.personal-todo-list .todo-main input{margin-top:5px;flex-shrink:0}.personal-todo-list .todo-main span{overflow-wrap:anywhere}.todo-toolbar{justify-content:space-between}.segmented{display:flex;gap:4px}.segmented .btn{background:none;border-color:transparent}.segmented .is-selected{background:var(--soft);border-color:var(--border)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:700px){.course-tabs{margin-bottom:20px}.course-workspace .course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.course-workspace .course-card{min-width:0;padding:14px}.note-row{padding-block:16px;gap:10px}.note-row h2{font-size:15px}.note-title{font-size:24px}.note-top{gap:8px}.note-top .btn-row{width:100%;margin-left:0;flex-wrap:wrap}.note-context{gap:6px 12px}#note-editor .vditor-toolbar{padding:4px;flex-wrap:wrap}#note-editor .vditor-toolbar button{min-width:36px}#note-editor .vditor-reset{padding:18px 14px;font-size:16px}.task-choice{flex-direction:column;gap:4px}.task-choice>.btn{margin-bottom:4px}.todo-meta{padding-left:26px}.todo-toolbar{gap:12px;flex-wrap:wrap}.todo-toolbar select{width:100%}}

@media(max-width:700px){.mobile-nav{grid-template-columns:repeat(5,minmax(0,1fr))}.mobile-nav a{min-width:0}.note-top .btn{padding-inline:10px}#note-editor .vditor-toolbar button{min-width:36px}#note-editor .vditor-toolbar{gap:0}}
#note-editor{--toolbar-background-color:var(--color-surface);--ir-heading-color:var(--ink);--ir-title-color:var(--ink);--ir-link-color:var(--muted);--ir-bracket-color:var(--muted);--ir-paren-color:var(--muted);--hover:var(--soft)}

.note-actions-menu{position:relative}.note-actions-menu>summary{display:flex;list-style:none;cursor:pointer}.note-actions-menu>summary::-webkit-details-marker{display:none}.note-actions-popover{position:absolute;right:0;top:calc(100% + 4px);min-width:160px;padding:6px;background:var(--color-surface);border:1px solid var(--border);border-radius:8px;z-index:25;box-shadow:0 6px 20px color-mix(in srgb,var(--ink) 7%,transparent)}.note-actions-popover .btn{width:100%;justify-content:flex-start}.note-top .back-link{margin-bottom:0}#note-editor{--heading-border-color:var(--border);--blockquote-color:var(--muted)}#note-editor a{color:var(--ink)}
@media(max-width:700px){.note-top .btn-row{width:auto;margin-left:auto}.note-top .back-link{font-size:12px}.note-top{gap:8px;margin-bottom:16px}.note-top #note-save-status{font-size:11px}.note-top .btn{padding-inline:10px}}
.course-content-actions{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap;margin-bottom:20px}.course-workspace>.course-grid{margin-bottom:12px}.course-tabs{position:relative}.summary-block{padding:24px 0;border-top:1px solid var(--border)}.summary-block>h2{font-size:20px;margin-bottom:20px}.summary-block article{margin-bottom:20px}.analysis-figure{margin:28px 0;border:1px solid var(--border);border-radius:8px;padding:16px;min-width:0}.analysis-figure figcaption{display:flex;justify-content:space-between;align-items:center;gap:12px}.analysis-image-scroll{max-height:560px;overflow:auto;background:white}.analysis-image-scroll img{display:block;width:100%;min-width:640px;height:auto}.diagram-evidence summary{cursor:pointer;padding:14px 0;min-height:44px}.diagram-evidence article{padding:12px 0;border-top:1px solid var(--border)}.diagram-evidence blockquote{margin:8px 0;font-size:14px;color:var(--muted);padding-left:12px;border-left:2px solid var(--border)}.markdown-body img{max-width:100%;height:auto}

.summary-block .task-document{min-height:0}.summary-block .section-title{justify-content:flex-end}.summary-block .analysis-keywords{margin:12px 0}
.todo-meta .todo-deadline{margin:0;padding-inline:0;min-height:44px;white-space:normal;text-align:left;justify-content:flex-start}.todo-deadline.is-overdue{font-weight:600;text-decoration:underline;text-underline-offset:3px}.todo-meta{row-gap:4px}
.note-task-picker{position:relative}.note-task-picker[open]{width:100%}.note-task-choice{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.note-task-choice>span{white-space:normal;overflow-wrap:anywhere}.summary-note-entry{margin-top:28px}
.note-preview{padding:24px 0;line-height:1.85;overflow-wrap:anywhere}.note-preview img{display:block;max-width:100%;height:auto;border:1px solid var(--border);border-radius:6px;margin:20px 0}.note-preview h2{margin:32px 0 16px}.note-preview h3{margin:24px 0 12px}.note-preview blockquote{margin:12px 0;padding-left:16px;border-left:3px solid var(--border);color:var(--muted)}.note-preview table{display:block;max-width:100%;overflow:auto}.note-preview a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}.note-preview pre{overflow:auto;padding:16px;background:var(--soft)}