@import url('./assets/review-selection.css');
@import url('./assets/study-timer.css');
@charset "UTF-8";
/* Tokens follow the user's Trade Journal Operational UI; see DESIGN.md. */
:root{--paper:#f6f7f9;--surface:#fff;--surface-muted:#f1f4f7;--ink:#151820;--muted:#69707d;--primary:#111827;--line:#dfe4ec;--success:#087a49;--warning:#8a5a10;--danger:#c93640;--focus:#246fd1;--sidebar:240px;color:var(--ink);background:var(--paper);font-size:14px;line-height:1.45}
*{box-sizing:border-box;letter-spacing:0px}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent;outline-offset:4px}button{cursor:pointer;color:inherit}button:disabled{opacity:.45;cursor:not-allowed}:is(button,a,input,textarea,select,summary):focus-visible{outline:2px solid var(--focus)}a{color:inherit;text-decoration:none}p,h1,h2,h3{margin:0}h1{font-size:24px;font-weight:700;line-height:1.2}h2{font-size:18px;font-weight:600;line-height:1.3}h3{font-size:16px;font-weight:600}svg{display:block}.icon{width:20px;height:20px;flex-shrink:0}
input,textarea,select{font-size:16px;width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);padding:12px;transition:border-color 120ms}input:hover,textarea:hover,select:hover{border-color:#a5aebc}input:focus,textarea:focus,select:focus{border-color:var(--focus)}textarea{resize:vertical;line-height:1.6;min-height:96px}input::placeholder,textarea::placeholder{color:var(--muted)}input[type=checkbox]{width:20px;height:20px;min-height:20px;accent-color:var(--primary);padding:0;flex-shrink:0}label{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:500}select{cursor:pointer}input[readonly]{background:var(--surface-muted)}
.pre-wrap{white-space:pre-wrap;overflow-wrap:anywhere}.muted{color:var(--muted)}.small{font-size:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;top:-80px;left:16px;z-index:1000;padding:12px 16px;background:var(--surface)}.skip-link:focus{top:8px}.boot{min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;font-size:24px;font-weight:700;gap:16px}.boot span,.boot p{font-size:14px;font-weight:400}.eyebrow{font-size:12px;font-weight:500;color:var(--muted);line-height:1.25}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:44px;min-width:44px;border:1px solid transparent;border-radius:8px;padding:12px 16px;font-size:14px;font-weight:600;line-height:1.25;white-space:nowrap;transition:background 120ms,transform 120ms}.btn.primary,.btn.cream{background:var(--primary);color:var(--surface)}.btn.primary:hover:not(:disabled),.btn.cream:hover:not(:disabled){background:#2c3646}.btn.outline{background:var(--surface);border-color:var(--line)}.btn.outline:hover:not(:disabled){background:var(--surface-muted)}.btn.small{padding:8px 12px;font-size:12px}.btn:active:not(:disabled),.icon-button:active:not(:disabled){transform:scale(.98)}
.text-link{border:0;background:none;color:var(--primary);padding:8px 0;min-height:44px;min-width:44px;display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;line-height:1.4;text-align:left}.text-link .icon{width:16px;height:16px}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.icon-button,.avatar{border:0;background:transparent;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex-shrink:0;border-radius:8px}.icon-button:hover,.avatar:hover{background:var(--surface-muted)}.pill,.tag{display:inline-flex;gap:4px;align-items:center;width:fit-content;font-size:12px;font-weight:500;padding:4px 8px;background:var(--surface-muted);color:var(--muted);border-radius:4px}.pill{border-radius:999px}.pill.pale{color:var(--ink)}.pill .icon{width:16px;height:16px}.tag.amber{color:var(--warning);background:#faf4e8}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:var(--surface);border-right:1px solid var(--line);padding:24px 16px 16px;display:flex;flex-direction:column;z-index:60;overflow-y:auto}.brand{display:flex;align-items:center;gap:12px;min-height:44px;padding:0 8px}.brand-mark{background:var(--primary);color:var(--surface);width:40px;height:40px;display:grid;place-items:center;border-radius:8px;flex-shrink:0}.brand-mark .icon{width:24px;height:24px}.brand>span:last-child{font-size:24px;font-weight:700;line-height:1.2}.brand small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:4px}.workspace-label{margin:32px 12px 12px;font-size:12px;font-weight:500;color:var(--muted)}.sidebar nav{display:flex;flex-direction:column;gap:4px}.nav-item{display:flex;align-items:center;gap:12px;width:100%;min-height:44px;padding:12px;border:0;background:transparent;color:var(--muted);border-radius:8px;font-size:14px;white-space:nowrap;text-align:left}.nav-item.active{background:var(--surface-muted);color:var(--primary);font-weight:600}.nav-item:hover{background:var(--surface-muted);color:var(--primary)}.nav-item b{font-size:12px;background:var(--line);color:var(--primary);margin-left:auto;padding:0 4px;border-radius:4px}
.sidebar-lower{margin-top:auto;padding-top:24px}.next-exam{margin:0 8px 16px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.next-exam strong{display:flex;align-items:center;gap:8px;font-size:14px;margin:12px 0 8px}.next-exam .icon{width:16px;height:16px}.next-exam p{font-size:12px;color:var(--muted);white-space:pre-line;line-height:1.6}.local-note{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin:16px 12px 0}.local-note>span{width:6px;height:6px;background:var(--success);border-radius:999px}.mobile-menu,.sidebar-close,.nav-scrim{display:none}
.workspace{margin-left:var(--sidebar);min-height:100vh}.topbar{min-height:64px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 32px;background:var(--surface)}.breadcrumb{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:12px}.breadcrumb strong{color:var(--ink);font-weight:500}.topbar-right{display:flex;align-items:center;gap:16px}.exam-pill{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.exam-pill .icon{width:16px;height:16px}.avatar{border:1px solid var(--line);font-size:14px}
main{max-width:1440px;margin:auto;padding:24px 32px;min-height:calc(100vh - 128px)}main:focus{outline:none}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:24px}.page-heading>div{min-width:0}.page-heading .eyebrow{margin-bottom:8px}.page-heading h1{overflow-wrap:anywhere}.page-heading p{color:var(--muted);font-size:14px;margin-top:8px;line-height:1.6}.page-heading>.btn{flex-shrink:0}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px}.study-hero{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px;display:flex;flex-direction:column}.hero-top{display:flex;align-items:center;gap:16px;justify-content:space-between}.hero-number{color:var(--muted);font-size:12px}.hero-copy{margin-top:24px;padding-bottom:24px}.hero-copy>span{font-size:12px;color:var(--muted)}.hero-copy h2{font-size:24px;font-weight:600;line-height:1.3;margin-top:8px}.hero-copy p{font-size:14px;color:var(--muted);line-height:1.6;margin-top:12px;white-space:pre-line}.hero-copy .btn{margin-top:24px}.hero-bottom{display:flex;gap:8px;align-items:center;border-top:1px solid var(--line);margin-top:auto;padding-top:16px;font-size:12px;color:var(--muted)}.hero-bottom .icon{width:16px;height:16px}
.goal-card{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:16px}.section-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px}.section-top h2{display:flex;align-items:center;gap:8px}.section-top h2>span{font-size:12px;font-weight:500;color:var(--muted);padding:0 4px}.goal-card .section-top{padding:0}.goal-ring{margin:8px auto 12px;width:128px;height:128px;border-radius:999px;background:conic-gradient(var(--success) calc(var(--progress)*1%),var(--surface-muted) 0);padding:8px;transform:rotate(-90deg)}.goal-ring>div{width:100%;height:100%;border-radius:999px;background:var(--surface);display:flex;align-items:center;justify-content:center;flex-direction:column;transform:rotate(90deg)}.goal-ring strong{font-size:28px;line-height:1.3;font-weight:600}.goal-ring strong small{font-size:16px;color:var(--muted)}.goal-ring>div>span{font-size:12px;color:var(--muted);margin-top:4px}.goal-caption{text-align:center;color:var(--muted);font-size:12px}.goal-caption b{color:var(--ink);font-weight:600}.goal-divider{border-top:1px solid var(--line);margin:16px 0}.exam-countdown{display:flex;justify-content:space-between;align-items:center;gap:12px}.exam-countdown>span{font-size:12px;color:var(--muted)}.exam-countdown strong{font-size:16px;font-weight:600}
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}.stats-strip>div{display:flex;align-items:center;gap:12px;border-left:2px solid var(--line);padding:8px 16px;min-width:0}.stats-strip>div>.icon{color:var(--muted)}.stats-strip>div>span{font-size:12px;color:var(--muted)}.stats-strip strong{display:block;font-size:24px;line-height:1.3;font-weight:600;margin-top:4px;color:var(--ink)}.stats-strip strong small{font-size:12px;margin-left:4px;font-weight:400;color:var(--muted)}:is(.stats-strip,.metric,.goal-ring,.exam-countdown,.completion-stats,.bar-value,.question-index,.pagination,.history-row){font-variant-numeric:tabular-nums}
.bottom-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;margin-top:24px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}.library-empty{display:flex;align-items:center;gap:16px;padding:16px}.file-stack,.file-badge{width:40px;height:44px;display:grid;place-items:center;background:var(--surface-muted);color:var(--muted);border-radius:8px;flex-shrink:0}.library-empty h3{font-size:14px}.library-empty p{font-size:12px;color:var(--muted);margin-top:8px}.supported{border-top:1px solid var(--line);padding:12px 16px;font-size:12px;color:var(--muted)}.coach-note{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px}.note-heading{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:600;margin-top:12px}.coach-note p{font-size:14px;line-height:1.6;color:var(--muted);margin:16px 0 8px}.coach-note b{color:var(--ink);font-weight:600}.footer{max-width:1440px;margin:auto;padding:16px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}
.material-row{display:flex;align-items:center;gap:16px;width:100%;min-height:76px;padding:16px;text-align:left;background:var(--surface);border:0;border-top:1px solid var(--line)}.material-row:hover{background:var(--surface-muted)}.material-name{flex:1;min-width:0}.material-name strong{font-size:14px;font-weight:600;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.material-name small{font-size:12px;color:var(--muted);display:block;margin-top:8px}.material-name i{font-style:normal;padding:0 4px}.row-arrow{color:var(--muted)}.row-arrow .icon{width:16px;height:16px}.mini-progress{height:4px;background:var(--surface-muted);width:64px;border-radius:4px;overflow:hidden}.mini-progress span{height:100%;display:block;background:var(--success)}
.library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;min-width:0}.tabs{display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:thin;min-width:0}.tab{flex-shrink:0;min-height:44px;min-width:44px;border:1px solid transparent;background:none;padding:8px 16px;border-radius:8px;font-size:12px;color:var(--muted)}.tab.selected{background:var(--surface);border-color:var(--line);color:var(--primary);font-weight:600}.search{max-width:260px;background:var(--surface);font-size:16px}
.empty{text-align:center;padding:40px 24px}.empty-icon{display:grid;place-items:center;margin:0 auto 16px;width:56px;height:56px;background:var(--surface-muted);border-radius:10px;color:var(--muted)}.empty-icon .icon{width:28px;height:28px}.empty h3{font-size:18px;margin-bottom:12px}.empty p{font-size:14px;color:var(--muted);max-width:440px;margin:0 auto 24px;line-height:1.6}.backup-bar{display:flex;align-items:center;gap:16px;border-top:1px solid var(--line);margin-top:24px;padding-top:16px}.backup-bar>div{flex:1;font-size:14px}.backup-bar>div>.icon{display:inline-block;width:16px;height:16px;vertical-align:middle;margin-right:8px}.backup-bar small{display:block;color:var(--muted);font-size:12px;margin-top:8px;line-height:1.6}
.import-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px}.import-panel{padding:24px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.dropzone{position:relative;margin-top:24px;border:1px dashed #a5aebc;background:var(--surface-muted);border-radius:10px;padding:32px 24px;display:flex;align-items:center;text-align:center;cursor:pointer;gap:8px}.dropzone:hover,.dropzone.dragging{border-color:var(--primary);background:#e9edf2}.dropzone>.icon{width:32px;height:32px;margin-bottom:8px;color:var(--muted)}.dropzone strong{font-size:14px;overflow-wrap:anywhere}.dropzone span,.dropzone small{font-size:12px;font-weight:400;color:var(--muted)}.dropzone input{position:absolute;inset:0;opacity:0;cursor:pointer}.dropzone:focus-within{outline:2px solid var(--focus);outline-offset:4px}.or{display:flex;align-items:center;gap:16px;justify-content:center;color:var(--muted);font-size:12px;margin:24px 0}.or:before,.or:after{content:"";height:1px;background:var(--line);flex:1}.form-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px}.form-footer>span{font-size:12px;color:var(--muted)}
.import-guide{padding:8px 0}.import-guide>h2{margin:16px 0 24px}.import-guide ol{margin:0;padding:0;list-style:none;counter-reset:guide}.import-guide li{position:relative;padding-left:32px;margin:24px 0;counter-increment:guide}.import-guide li:before{content:counter(guide,decimal-leading-zero);position:absolute;left:0;color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums;font-weight:600}.import-guide li b{font-size:14px;font-weight:600}.import-guide li p{color:var(--muted);font-size:12px;line-height:1.6;margin-top:8px}.guide-note{padding:12px;background:var(--surface-muted);border-radius:8px;font-size:12px;color:var(--muted);line-height:1.6;margin:24px 0 8px}
.notice{display:flex;gap:12px;background:#faf4e8;border:1px solid #e8d6b4;border-radius:10px;padding:16px;color:var(--warning);font-size:14px;line-height:1.6;margin-bottom:24px}.notice>.icon{margin-top:2px}.notice .text-link{margin-top:8px}.preview-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:16px 0}.check-label{display:flex;flex-direction:row;align-items:center;min-height:44px;gap:12px;font-size:12px;cursor:pointer}.draft-list{display:flex;flex-direction:column;gap:16px}.draft-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px}.draft-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.draft-head select{width:144px;font-size:16px}.draft-source{display:flex;align-items:flex-start;gap:16px;margin-top:16px}.draft-source>label{width:144px;flex-shrink:0}.draft-source>details{flex:1;font-size:12px;color:var(--muted)}.draft-source details p{padding:12px 0;line-height:1.6}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;padding:24px;font-size:12px;color:var(--muted)}.save-bar{position:sticky;bottom:16px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 4px 16px #11182712;z-index:10}
.material-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.source-panel{padding:16px;margin-bottom:24px}summary{cursor:pointer;min-height:44px;padding:12px 0;font-size:12px;font-weight:500}summary:hover{text-decoration:underline}pre{font:inherit;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--muted);line-height:1.6;max-height:420px;overflow:auto}.question-row{display:flex;gap:16px;padding:24px;border-bottom:1px solid var(--line)}.question-row:last-child{border:0}.question-index{font-size:20px;font-weight:600;color:var(--muted)}.question-row>div{flex:1;min-width:0}.question-row h3{font-size:16px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0}.question-row details{margin-bottom:12px}.question-row details>p{margin-top:12px}.question-row small{font-size:12px}blockquote{margin:12px 0;border-left:2px solid var(--line);padding:8px 16px;font-size:14px;color:var(--muted);white-space:pre-wrap;overflow-wrap:anywhere}
.review-banner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);margin-bottom:24px}.review-banner>div{display:flex;align-items:center;gap:16px}.review-banner b{display:block;font-size:16px;font-weight:600}.review-banner small{display:block;font-size:12px;color:var(--muted);margin-top:8px}.weak-row{display:flex;align-items:center;gap:16px;padding:24px;border-bottom:1px solid var(--line)}.weak-row:last-child{border:0}.weak-mark{color:var(--warning);width:40px;height:44px;background:#faf4e8;display:grid;place-items:center;border-radius:8px;flex-shrink:0}.weak-row>div{flex:1;min-width:0}.weak-row h3{font-size:14px;margin:8px 0;overflow-wrap:anywhere}.weak-row p{font-size:12px;color:var(--muted)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.metric{border-left:2px solid var(--line);padding:8px 16px}.metric>span{font-size:12px;color:var(--muted)}.metric>strong{font-size:28px;font-weight:600;display:block;margin-top:12px;line-height:1.2}.metric>strong small{font-size:12px;font-weight:400;margin-left:8px;color:var(--muted)}.metric>p{font-size:12px;color:var(--muted);margin-top:8px}.chart-panel{margin-bottom:24px}.bar-chart{display:flex;gap:16px;height:240px;padding:16px 24px 24px}.chart-column{display:flex;flex-direction:column;flex:1;align-items:center;min-width:0}.bar-value{font-size:12px;height:24px;color:var(--muted);font-weight:600}.bar-track{display:flex;align-items:flex-end;height:152px;width:100%;max-width:36px}.bar{width:100%;background:#a5aebc;border-radius:4px 4px 0 0;min-height:2px}.bar.today{background:var(--primary)}.chart-column>small{font-size:12px;color:var(--muted);margin-top:12px}.subject-progress{display:flex;align-items:center;gap:24px;padding:16px;border-top:1px solid var(--line);font-size:14px}.subject-progress strong{min-width:120px;font-weight:500}.subject-progress>span{font-size:12px;color:var(--muted);text-align:right;flex-shrink:0}.progress-track{flex:1;height:8px;background:var(--surface-muted);border-radius:4px;overflow:hidden}.progress-track>span{display:block;height:100%;background:var(--success)}.history-panel{margin-top:24px}.panel-padding{padding:16px}.history-row{display:flex;align-items:center;gap:16px;padding:12px 16px;border-top:1px solid var(--line);font-size:14px}.history-row>.tag{flex-shrink:0}.history-row>span:nth-child(2){flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-row>small{font-size:12px;color:var(--muted);white-space:nowrap}
.coach-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px}.coach-main{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:24px}.coach-main h2{font-size:24px;line-height:1.3;margin:16px 0}.coach-main p{font-size:14px;color:var(--muted);line-height:1.6}.coach-steps article{display:flex;align-items:center;gap:16px;padding:24px 0;border-bottom:1px solid var(--line)}.coach-steps article>span{font-size:20px;color:var(--muted);font-weight:600;font-variant-numeric:tabular-nums}.coach-steps article>div{flex:1}.coach-steps h3{font-size:16px}.coach-steps p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.6}.coach-report{padding:16px}.coach-report h3{font-size:18px;margin:16px 0}.coach-report p{font-size:14px;line-height:1.6;color:var(--muted);margin-bottom:16px}.coach-report small{display:block;font-size:12px;color:var(--muted);line-height:1.6;margin-top:16px}.study-hint{padding:24px 0}.study-hint h3{font-size:16px;margin-bottom:12px}.study-hint p{font-size:14px;line-height:1.6;color:var(--muted);margin-bottom:12px}
.study-top{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);margin:0 0 16px;font-size:14px}.study-top>span:last-child{display:flex;gap:8px;align-items:center;font-size:12px}.study-top .icon{width:16px;height:16px}.study-top small{font-size:12px}.session-progress{height:4px;background:var(--line);margin-bottom:24px;border-radius:4px}.session-progress>span{display:block;height:100%;background:var(--primary)}.study-card{max-width:1000px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px}.study-card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.study-card-meta>span:last-child{font-size:12px;color:var(--muted);margin-left:auto}.question-label{font-size:12px;color:var(--muted);margin-top:24px}.study-question{font-size:24px;font-weight:600;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;margin-top:12px}.study-instruction{font-size:14px;color:var(--muted);margin:16px 0}.study-card textarea{font-size:16px}.reveal-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px}.reveal-row>span{font-size:12px;color:var(--muted)}.answer{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}.answer h2{font-size:18px;margin:8px 0 16px}.answer-text{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--surface-muted);padding:16px;border-left:2px solid var(--success);line-height:1.8;font-size:16px}.answer details{margin-top:16px}
.grade-section{padding-top:24px}.grade-section>p{font-size:14px;text-align:center;color:var(--muted);margin-bottom:16px}.grade-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.grade{position:relative;min-height:76px;padding:24px 8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);transition:background 120ms}.grade:hover:not(:disabled){background:var(--surface-muted)}.grade.again{color:var(--danger)}.grade.hard{color:var(--warning)}.grade.good,.grade.easy{color:var(--success)}.grade kbd{position:absolute;left:8px;top:4px;font:inherit;font-size:12px;color:var(--muted)}.grade strong{display:block;font-size:14px;font-weight:600}.grade>span{display:block;font-size:12px;margin-top:8px}.grade-section>small{display:block;text-align:center;font-size:12px;color:var(--muted);margin-top:12px}.study-footnote{max-width:1000px;display:flex;align-items:center;justify-content:space-between;margin:16px auto;font-size:12px;color:var(--muted);gap:16px}.session-complete{text-align:center;padding:40px 16px}.complete-mark{background:var(--surface);border:1px solid var(--line);color:var(--success);width:64px;height:64px;border-radius:999px;display:grid;place-items:center;margin:0 auto 24px}.complete-mark>.icon{width:32px;height:32px}.session-complete>.eyebrow{display:block;margin-bottom:16px}.session-complete>p{font-size:14px;color:var(--muted);line-height:1.6;margin-top:16px}.completion-stats{display:flex;justify-content:center;gap:48px;margin:24px auto}.completion-stats strong{display:block;font-size:28px;font-weight:600}.completion-stats span{font-size:12px;color:var(--muted)}.session-complete>.btn{margin:24px 8px 0}
dialog{border:1px solid var(--line);border-radius:10px;width:min(600px,calc(100vw - 32px));padding:24px;color:var(--ink);box-shadow:0 16px 64px #11182720;max-height:90dvh}dialog::backdrop{background:#11182760}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:16px}.dialog-heading h2{font-size:18px}.dialog-heading .icon-button{flex-shrink:0}dialog form>label,dialog form>.two-fields{margin-bottom:16px}dialog p{font-size:14px;color:var(--muted);line-height:1.6}.dialog-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:24px}#toast{position:fixed;bottom:24px;left:calc(50% + 120px);transform:translateX(-50%);background:var(--primary);color:var(--surface);box-shadow:0 4px 16px #11182720;padding:12px 16px;border-radius:8px;font-size:14px;line-height:1.6;max-width:calc(100vw - 32px);width:max-content;z-index:100;opacity:0;pointer-events:none;transition:opacity 120ms}#toast.show{opacity:1}
.login-layout{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.login-story{background:var(--surface-muted);padding:40px 48px;display:flex;flex-direction:column;border-right:1px solid var(--line)}.login-story-copy{margin:auto 0;padding:48px 0}.login-story-copy h1{font-size:24px;line-height:1.4;margin:24px 0}.login-story-copy>p{font-size:14px;color:var(--muted);line-height:1.8}.login-chip{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding-top:24px;margin-top:24px;color:var(--muted);font-size:12px}.login-chip>.icon{width:16px;height:16px}.login-bottom{font-size:12px;color:var(--muted)}.login-form-area{display:flex;align-items:center;justify-content:center;padding:40px;background:var(--surface)}.login-form-area>div{width:100%;max-width:400px}.login-form-area h2{font-size:24px;font-weight:700;margin:16px 0 8px}.login-form-area>div>p{font-size:14px;color:var(--muted);line-height:1.6}.login-form-area form{display:flex;flex-direction:column;gap:16px;margin-top:24px}.login-form-area form>button{margin-top:8px}.login-form-area .login-help{font-size:12px;margin-top:24px;line-height:1.6}.account-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);margin-top:24px;padding-top:16px;font-size:14px;color:var(--muted)}.connection-address{overflow-wrap:anywhere;background:var(--surface-muted);border:1px solid var(--line);padding:16px;margin:16px 0;border-radius:8px}
.drawing-panel{border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-top:24px;background:var(--surface)}.drawing-header{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;border-bottom:1px solid var(--line);gap:12px}.drawing-header>span{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600}.drawing-header .icon{width:16px;height:16px}.drawing-panel iframe{width:100%;height:600px;border:0;display:block}.drawing-caption{padding:12px 16px;background:var(--surface-muted);color:var(--muted);font-size:12px;border-top:1px solid var(--line)}.drawing-panel.expanded{position:fixed;inset:8px;z-index:90;margin:0;box-shadow:0 0 0 24px #11182780;display:flex;flex-direction:column}.drawing-panel.expanded iframe{flex:1;min-height:0;height:100%}.snapshot-frame{height:65vh;width:100%;border:1px solid var(--line);border-radius:8px}dialog:has(.snapshot-frame){width:min(1100px,calc(100vw - 32px))}
@media(max-width:1200px){.dashboard-grid,.bottom-grid{grid-template-columns:minmax(0,1fr) 280px}.hero-number{display:none}.stats-strip>div>.icon{display:none}.import-layout,.coach-layout{grid-template-columns:minmax(0,1fr) 240px;gap:16px}}
@media(max-width:979px){
:root{--sidebar:0px}.workspace{margin:0}.sidebar{width:min(280px,calc(100vw - 48px));visibility:hidden;transform:translateX(-100%)}.sidebar.is-open{visibility:visible;transform:translateX(0)}.mobile-menu,.sidebar-close{display:inline-flex}.sidebar-close{position:absolute;right:8px;top:8px}.sidebar .brand{margin-top:32px}.nav-scrim.is-open{display:block;position:fixed;inset:0;z-index:50;border:0;background:#11182750;padding:0;width:100%;height:100%;cursor:default}.topbar{padding:8px 24px;gap:12px}.topbar-right{margin-left:auto}.breadcrumb{flex:1}.topbar .breadcrumb>span{display:none}.topbar .breadcrumb{font-size:0}.topbar .breadcrumb strong{font-size:12px}main{padding:24px}.footer{padding:16px 24px}.bottom-grid{grid-template-columns:1fr}.import-layout,.coach-layout{grid-template-columns:1fr}.import-guide{padding:0}.import-guide ol{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.import-guide li{margin:8px 0}.import-guide>h2 br{display:none}.coach-layout>aside{display:grid;grid-template-columns:1fr 1fr;gap:24px}.metric-grid{grid-template-columns:repeat(2,1fr)}.backup-bar{flex-wrap:wrap}.backup-bar>div{flex-basis:100%}.login-story{padding:32px}.login-form-area{padding:32px}#toast{left:50%}input:not([type=checkbox]),textarea,select,.search,.draft-head select{font-size:16px}
}
@media(max-width:700px){
.topbar{padding:8px 16px}.topbar-right{gap:8px}.exam-pill{display:none}.page-heading{align-items:flex-start;gap:16px;flex-wrap:wrap}.page-heading>.btn{align-self:auto}.dashboard-grid{grid-template-columns:1fr}.study-hero{padding:16px}.hero-copy{margin-top:16px;padding-bottom:16px}.hero-copy .btn{margin-top:16px}.goal-card{display:grid;grid-template-columns:128px 1fr;column-gap:16px}.goal-card .section-top{grid-column:2;grid-row:1}.goal-ring{grid-column:1;grid-row:1/4;margin:auto 0}.goal-caption{grid-column:2;grid-row:2;text-align:left}.goal-divider{display:none}.exam-countdown{grid-column:2;grid-row:3;margin-top:12px}.goal-card>.text-link{grid-column:1/-1;border-top:1px solid var(--line);margin-top:16px}.stats-strip{grid-template-columns:repeat(2,1fr);gap:16px}.stats-strip>div{padding:8px 12px}.stats-strip>div>.icon{display:block}.library-toolbar{flex-direction:column;align-items:stretch}.library-toolbar>*{flex:0 1 auto}.search{max-width:none}.two-fields{grid-template-columns:1fr}.import-panel,.draft-card{padding:16px}.import-guide ol{grid-template-columns:1fr}.import-guide li{margin:8px 0}.form-footer{flex-direction:column;align-items:stretch}.form-footer>*{flex:0 1 auto}.save-bar{flex-direction:column;align-items:stretch;bottom:8px}.save-bar>*{flex:0 1 auto}.coach-layout>aside{grid-template-columns:1fr}.coach-steps article{flex-wrap:wrap}.coach-steps article>div{width:calc(100% - 48px)}.coach-steps article>.btn{margin-left:32px}.review-banner{flex-wrap:wrap}.review-banner>.btn{width:100%}.weak-row{padding:16px;gap:12px;flex-wrap:wrap}.weak-row>.text-link{margin-left:52px}.history-row{gap:8px;flex-wrap:wrap}.history-row>span:nth-child(2){min-width:100px}.history-row>small{white-space:normal}.subject-progress{gap:12px;flex-wrap:wrap}.subject-progress strong{min-width:100px}.subject-progress>span{font-size:12px}.study-card{padding:16px}.study-card-meta>span:last-child{width:100%;margin-left:0}.study-top>span:last-child{display:none}.reveal-row{flex-direction:column;align-items:stretch}.reveal-row>*{flex:0 1 auto}.grade-buttons{grid-template-columns:1fr 1fr}.study-footnote{flex-wrap:wrap}.drawing-panel iframe{height:560px}.drawing-header{padding:8px 12px}.drawing-header>span{font-size:12px}.login-layout{grid-template-columns:1fr}.login-story{padding:24px;border-right:0;border-bottom:1px solid var(--line)}.login-story-copy{padding:24px 0 0}.login-story-copy h1{margin:16px 0}.login-chip,.login-bottom{display:none}.login-form-area{padding:32px 24px}.footer{flex-wrap:wrap}
}
@media(max-width:420px){
main{padding:24px 16px}.topbar{gap:8px}.topbar-right .text-link{font-size:12px}.topbar-right .text-link .icon{display:none}.breadcrumb{gap:0}.goal-card{grid-template-columns:96px 1fr;gap:12px}.goal-ring{width:96px;height:96px;padding:6px}.goal-ring strong{font-size:24px}.goal-ring>div>span{display:none}.goal-card .section-top h2{font-size:16px}.goal-card .section-top{gap:0}.exam-countdown{flex-wrap:wrap;gap:4px}.stats-strip>div>.icon{display:none}.mini-progress,.row-arrow{display:none}.material-row{gap:12px}.section-top{flex-wrap:wrap;gap:8px}.preview-toolbar{flex-wrap:wrap}.draft-source{flex-direction:column}.draft-source>*{flex:0 1 auto}.draft-source>label{width:100%}.notice>.icon{display:none}.question-row{padding:16px;gap:12px}.material-actions{flex-wrap:wrap}.drawing-header{flex-wrap:wrap}.completion-stats{gap:24px}.session-complete>.btn{margin:16px 0 0}.bar-chart{gap:8px;padding:16px}.chart-panel .section-top{align-items:flex-start}.footer{padding:16px}.dialog-footer{flex-wrap:wrap}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* While a PDF is open, navigation becomes a drawer so the page owns the screen. */
.book-reader-active{overflow:hidden}
.book-reader-active .workspace{margin-left:0;min-height:100dvh}
.book-reader-active #main{padding:0;max-width:none;min-height:0}
.book-reader-active :is(.topbar,.footer){display:none}
.book-reader-active .sidebar{display:flex!important;width:min(280px,calc(100vw - 48px));visibility:hidden;transform:translateX(-100%);z-index:240;padding-top:64px}
.book-reader-active .sidebar.is-open{visibility:visible;transform:translateX(0)}
.book-reader-active .sidebar .brand{margin-top:0}
.book-reader-active .sidebar-close{display:inline-flex;position:absolute;right:8px;top:8px}
.book-reader-active .nav-scrim.is-open{display:block!important;position:fixed;inset:0;z-index:230;border:0;background:#11182750;padding:0;width:100%;height:100%;cursor:default}
.book-reader-active #toast{left:50%;z-index:300}