:root{color-scheme:light;--bg: #f7f8f5;--surface: #fff;--surface-soft: #f1f4ef;--sidebar: #eef1eb;--text: #222c29;--muted: #68746d;--faint: #8a958d;--border: #dfe5dc;--accent: #176652;--accent-hover: #10513f;--accent-soft: #e4efe7;--accent-text: #fff;--amber: #93600d;--amber-soft: #fbf2df;--red: #b5453d;--red-soft: #fff0ee;--purple: #77628b;--purple-soft: #f1ecf5;--shadow: 0 8px 32px rgba(25, 45, 34, .05);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-size:14px}:root[data-theme=dark]{color-scheme:dark;--bg: #131b18;--surface: #1b2520;--surface-soft: #222e27;--sidebar: #17211b;--text: #e8eee8;--muted: #a3b1a5;--faint: #849389;--border: #334139;--accent: #88cdb2;--accent-hover: #a8dfc8;--accent-soft: #283e32;--accent-text: #143729;--amber: #e0ba74;--amber-soft: #39311e;--red: #f0998d;--red-soft: #3c2924;--purple: #c6aedb;--purple-soft: #302b39;--shadow: 0 8px 32px rgba(0, 0, 0, .12)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-decoration:none}button{color:inherit}svg{flex-shrink:0;vertical-align:middle}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{font-weight:600;letter-spacing:-.025em}h1{font-size:36px;line-height:1.18;letter-spacing:-.045em;margin-bottom:12px}h2{font-size:20px;line-height:1.35;margin-bottom:12px}h3{font-size:16px;line-height:1.45;margin-bottom:10px}p{line-height:1.65}small{font-size:12px}.muted{color:var(--muted)}.tiny{font-size:12px}.eyebrow{font-size:10px;font-weight:650;line-height:1.5;letter-spacing:.14em;color:var(--muted);margin-bottom:13px;display:flex;align-items:center;gap:7px;text-transform:uppercase}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:41px;padding:10px 16px;border:1px solid transparent;border-radius:8px;font-size:13px;font-weight:550;line-height:1.4;transition:background .15s,border-color .15s;white-space:normal;text-align:center}.button.primary{background:var(--accent);color:var(--accent-text)}.button.primary:hover:not(:disabled){background:var(--accent-hover)}.button.secondary{background:var(--surface);border-color:var(--border);color:var(--text)}.button.secondary:hover:not(:disabled){background:var(--surface-soft);border-color:var(--faint)}.button.danger{background:var(--red);color:var(--surface)}.button-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.text-link,.text-button{display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-weight:550;font-size:12px;background:none;border:0;padding:4px 0;line-height:1.5}.text-link:hover,.text-button:hover{text-decoration:underline}.icon-button{display:inline-flex;align-items:center;justify-content:center;min-width:36px;min-height:36px;border:0;border-radius:8px;background:transparent;color:var(--muted)}.icon-button:hover{background:var(--surface-soft);color:var(--text)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;left:16px;top:-100px;padding:12px;background:var(--accent);color:var(--accent-text);z-index:100}.skip-link:focus{top:10px}.startup{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center}.startup .brand-mark{width:64px;height:64px;font-size:48px}.startup h1{margin-top:18px}.loading{padding:32px;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--muted)}.spin{animation:spin 1.2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-text{color:var(--red);line-height:1.6}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;border-radius:5px;font-size:10px;font-weight:550;line-height:1.4;background:var(--surface-soft);color:var(--muted);white-space:nowrap}.badge-green{background:var(--accent-soft);color:var(--accent)}.badge-amber{background:var(--amber-soft);color:var(--amber)}.badge-purple{background:var(--purple-soft);color:var(--purple)}.empty{padding:48px 24px;text-align:center;background:var(--surface);border:1px dashed var(--border);border-radius:14px;color:var(--muted)}.empty>svg{margin-bottom:18px;color:var(--accent)}.empty h3{color:var(--text);font-size:19px}.empty p{max-width:480px;margin:0 auto 22px}.empty .button{margin-top:4px}.progress-track{height:4px;border-radius:3px;background:var(--surface-soft);overflow:hidden}.progress-track>div{height:100%;background:var(--accent);border-radius:3px;transition:width .2s}.sidebar{position:fixed;inset:0 auto 0 0;width:236px;padding:30px 20px 24px;background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:30}.brand{display:flex;gap:12px;align-items:center;margin:2px 2px 47px}.brand-mark{width:39px;height:39px;flex-shrink:0;background:var(--accent);color:var(--accent-text);display:flex;align-items:center;justify-content:center;border-radius:11px;font-family:Georgia,serif;font-size:34px;line-height:1;letter-spacing:-.08em;padding-bottom:4px}.brand-mark span{font-family:Arial,sans-serif;font-size:22px;line-height:1;margin:7px 0 0 1px}.brand strong{font-size:22px;letter-spacing:-.045em;font-weight:650}.brand>div:last-child>span{display:block;font-size:9px;color:var(--muted);margin-top:5px;letter-spacing:.005em}.sidebar-label{font-size:9px;letter-spacing:.13em;font-weight:650;color:var(--faint);margin:0 13px 12px}.main-nav,.secondary-nav{display:flex;flex-direction:column;gap:5px}.main-nav>a,.secondary-nav>a{display:flex;align-items:center;gap:12px;padding:11px 13px;min-height:42px;color:var(--muted);border-radius:8px;font-size:13px}.main-nav>a:hover,.secondary-nav>a:hover{background:var(--surface-soft);color:var(--text)}.main-nav>a[aria-current],.secondary-nav>a[aria-current]{background:var(--accent-soft);color:var(--accent);font-weight:600}.nav-count{margin-left:auto;border-radius:5px;background:var(--accent);color:var(--accent-text);padding:2px 6px;font-size:10px}.sidebar-divider{height:1px;background:var(--border);margin:24px 12px}.sidebar-bottom{margin-top:auto;padding-top:28px}.workspace-note{margin:0 13px 24px;display:flex;align-items:flex-start;gap:10px;color:var(--muted)}.workspace-note svg{margin-top:3px;color:var(--accent)}.workspace-note p{font-size:12px;line-height:1.8;margin:0}.settings-trigger{display:flex;align-items:center;gap:10px;border:0;background:none;padding:10px 13px;color:var(--muted);width:100%;font-size:12px;border-radius:8px}.settings-trigger:hover{background:var(--surface-soft)}.version-label{display:block;margin:18px 13px 0;font-size:8px;letter-spacing:.13em;color:var(--faint)}.main-shell{margin-left:236px;min-height:100dvh;display:flex;flex-direction:column;min-width:0}.topbar{height:76px;padding:0 40px;display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--border);background:var(--bg)}.topbar-left{margin-right:auto;display:flex;align-items:center;min-width:0}.breadcrumb{display:flex;align-items:center;gap:9px;font-size:11px;color:var(--muted)}.breadcrumb strong{font-weight:500;color:var(--text)}.search-trigger{display:flex;align-items:center;gap:9px;border:1px solid var(--border);padding:8px 11px;border-radius:7px;background:var(--surface);color:var(--muted);font-size:11px;min-height:35px}.search-trigger kbd{font-size:9px;font-family:inherit;color:var(--faint);border:1px solid var(--border);padding:2px 4px;border-radius:3px;margin-left:34px}.top-settings{display:none}.main-content{padding:42px 40px 48px;width:100%;max-width:1240px;margin:0 auto;flex:1;min-width:0}.app-footer{padding:22px 40px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:16px;font-size:10px;color:var(--faint)}.app-footer a{display:flex;gap:6px;align-items:center;color:var(--muted)}.bottom-nav,.mobile-menu,.mobile-close,.sidebar-backdrop{display:none}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px}.page-heading .eyebrow{margin-bottom:11px}.page-description{font-size:13px;color:var(--muted);line-height:1.7;max-width:640px;margin:0}.heading-actions{flex-shrink:0}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px}.section-heading h2{margin:0;font-size:18px}.section-heading select{width:auto;max-width:240px;min-height:36px}.panel{border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:25px}.stack{display:flex;flex-direction:column;gap:20px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.field{display:flex;flex-direction:column;gap:8px;min-width:0}.field>span{font-size:12px;font-weight:550}.field>small{font-size:11px;color:var(--muted);line-height:1.6}input:not([type=checkbox]):not([type=radio]),select,textarea{min-width:0;width:100%;border:1px solid var(--border);border-radius:7px;background:var(--surface);color:var(--text);padding:10px 12px;font-size:13px;min-height:41px}textarea{resize:vertical;line-height:1.75;display:block}input::placeholder,textarea::placeholder{color:var(--faint)}select{padding-right:28px;overflow:hidden;text-overflow:ellipsis}input[type=radio],input[type=checkbox]{accent-color:var(--accent)}.search-field{display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);padding:0 13px;color:var(--muted);min-width:0}.search-field input:not([type]){border:0;padding:12px 0;background:transparent;outline-offset:4px}.search-field input{border:0!important;padding:12px 0!important;background:transparent!important}.modal{width:min(500px,calc(100% - 28px));max-height:calc(100dvh - 48px);overflow:auto;border:1px solid var(--border);border-radius:16px;background:var(--surface);color:var(--text);padding:26px;box-shadow:0 24px 100px #0003}.modal-wide{width:min(760px,calc(100% - 28px))}.modal::backdrop{background:#0a161166;backdrop-filter:blur(3px)}.modal-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:19px}.modal-title h2{font-size:22px;margin:0}.modal>p{font-size:13px;color:var(--muted)}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.checkbox-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.6;padding:14px;background:var(--surface-soft);border-radius:8px}.checkbox-line input{margin-top:4px;flex-shrink:0}.toast{position:fixed;right:24px;bottom:24px;z-index:100;display:flex;align-items:flex-start;gap:10px;max-width:min(480px,calc(100vw - 32px));padding:15px 16px;border-radius:10px;border:1px solid var(--border);background:var(--surface);box-shadow:0 10px 40px #00000024;font-size:12px;line-height:1.55}.toast>svg{margin-top:1px;color:var(--accent)}.toast-error>svg{color:var(--red)}.toast button{display:flex;padding:3px;background:transparent;border:0;color:var(--muted);margin-left:6px}.search-results{margin-top:14px}.search-results>button{display:flex;align-items:center;gap:12px;width:100%;border:0;border-radius:8px;background:none;padding:13px 7px;text-align:left}.search-results>button:hover{background:var(--surface-soft)}.search-results>button>span{flex:1;min-width:0}.search-results strong{display:block;font-size:13px}.search-results small{display:block;margin-top:4px;color:var(--muted);font-size:10px}.today-hero{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(210px,1fr);background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:27px}.hero-copy{padding:33px 34px}.hero-copy h2{font-size:27px;line-height:1.24;letter-spacing:-.035em;max-width:350px;margin-bottom:13px}.hero-copy>p{font-size:12px;color:var(--muted);max-width:355px;line-height:1.8;margin-bottom:22px}.hero-note{background:var(--accent-soft);border-left:1px solid var(--border);padding:29px;display:flex;align-items:flex-start;flex-direction:column;justify-content:center}.hero-note-icon{display:flex;align-items:center;justify-content:center;width:41px;height:41px;border:1px solid color-mix(in srgb,var(--accent) 18%,transparent);border-radius:10px;margin-bottom:18px;color:var(--accent);background:var(--surface)}.hero-note .eyebrow{font-size:8px;color:var(--accent);margin-bottom:10px}.hero-note h3{font-size:19px;line-height:1.4;margin-bottom:8px}.hero-note>p{font-size:11px;color:var(--muted);margin-bottom:15px}.hero-note>p>span{margin:0 5px}.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:0 0 38px;padding:4px 0 25px;border-bottom:1px solid var(--border)}.metric-strip>div{padding:0 24px;border-right:1px solid var(--border);min-width:0}.metric-strip>div:first-child{padding-left:1px}.metric-strip>div:last-child{border:0;padding-right:0}.metric-label{font-size:10px;color:var(--muted);display:block;margin-bottom:9px}.metric-strip strong{display:block;font-size:29px;letter-spacing:-.045em;font-weight:550;margin-bottom:8px;line-height:1.1}.metric-strip strong>small{font-size:15px;color:var(--faint);font-weight:400;letter-spacing:0}.metric-note{font-size:9px;color:var(--faint)}.metric-strip .progress-track{max-width:125px;margin-top:12px}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(240px,1fr);gap:28px;align-items:start}.topic-rows{background:var(--surface);border:1px solid var(--border);border-radius:11px;overflow:hidden}.topic-row{display:flex;align-items:center;gap:12px;padding:19px 18px;border-bottom:1px solid var(--border)}.topic-row:last-child{border:0}.topic-row:hover{background:var(--surface-soft)}.topic-icon{width:37px;height:40px;background:var(--surface-soft);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--muted);flex-shrink:0}.topic-icon.is-read{background:var(--accent-soft);color:var(--accent);border-color:transparent}.topic-row-copy{min-width:0;flex:1}.topic-row-copy strong{font-size:12px;font-weight:550;line-height:1.5;display:block}.topic-row-copy>span{display:block;font-size:10px;color:var(--muted);margin-top:4px}.topic-row>.badge{font-size:9px;padding:3px 6px}.topic-row>svg{color:var(--faint)}.practice-invitation{padding:26px;background:var(--surface-soft);border:1px solid var(--border);border-radius:12px}.invitation-icon{width:39px;height:39px;background:var(--surface);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--accent);margin-bottom:19px}.practice-invitation h2{font-size:20px;max-width:190px;line-height:1.35}.practice-invitation p{font-size:12px;color:var(--muted);line-height:1.8;max-width:250px;margin-bottom:18px}.practice-invitation .button{font-size:11px;min-height:36px;padding:8px 12px}.invitation-meta{font-size:9px;color:var(--faint);margin-top:18px}.notice-row{margin-top:27px;display:flex;align-items:center;gap:11px;font-size:11px;color:var(--muted);padding:15px 18px;border:1px solid var(--border);border-radius:9px}.notice-row>span{flex:1;line-height:1.7}.notice-row strong{font-weight:550;color:var(--text)}.notice-row>svg:first-child{color:var(--amber)}.library-layout{display:grid;grid-template-columns:178px minmax(0,1fr);gap:28px}.library-folders{padding-top:5px}.folder-list>.eyebrow{font-size:8px;margin:0 10px 11px}.folder-list>button{display:flex;align-items:center;gap:9px;text-align:left;width:100%;background:none;border:0;border-radius:7px;padding:10px;margin-bottom:4px;font-size:11px;color:var(--muted)}.folder-list>button>span{flex:1;line-height:1.5}.folder-list>button>small{font-size:10px}.folder-list>button:hover{background:var(--surface-soft)}.folder-list>button.selected{background:var(--accent-soft);color:var(--accent);font-weight:550}.folder-divider{height:1px;margin:20px 10px;background:var(--border)}.folders-toggle{display:none}.library-content{min-width:0}.library-toolbar{display:flex;flex-direction:column;gap:12px}.filter-row{display:flex;gap:9px;flex-wrap:wrap}.filter-row>select{flex:1;min-width:110px;min-height:36px;font-size:11px;padding:8px 28px 8px 10px}.library-result-count{display:flex;align-items:center;justify-content:space-between;margin:20px 0;color:var(--muted);font-size:10px}.library-section{margin-bottom:27px}.library-section>h2{font-size:11px;font-weight:550;color:var(--muted);margin-bottom:11px;letter-spacing:.02em}.library-topic-list{background:var(--surface);border:1px solid var(--border);border-radius:11px;overflow:hidden}.library-topic{display:flex;align-items:flex-start;gap:14px;padding:20px;border-bottom:1px solid var(--border)}.library-topic:last-child{border:0}.library-topic:hover{background:var(--surface-soft)}.library-topic-copy{min-width:0;flex:1}.topic-title-line{display:flex;align-items:center;gap:8px}.topic-title-line h3{margin:0;font-size:14px;line-height:1.45}.fill-accent{color:var(--accent);fill:var(--accent-soft)}.library-topic-copy>p{font-size:11px;color:var(--muted);margin:7px 0 11px;line-height:1.65;overflow-wrap:anywhere}.topic-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:9px;color:var(--faint)}.topic-meta>span{display:inline-flex;gap:4px;align-items:center}.topic-meta .status-prepared{color:var(--accent)}.topic-meta .status-revision{color:var(--amber)}.topic-chevron{color:var(--faint);margin-top:11px}.back-link{display:inline-flex;align-items:center;gap:7px;background:none;border:0;padding:0;font-size:11px;color:var(--muted);margin-bottom:26px}.back-link:hover{color:var(--accent)}.reader-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:35px;align-items:start}.reader-article{min-width:0}.reader-heading h1{font-size:33px;line-height:1.25}.reader-heading .eyebrow{font-size:9px}.reader-meta{display:flex;align-items:center;flex-wrap:wrap;gap:13px;font-size:10px;color:var(--muted);margin:15px 0}.reader-meta>span{display:flex;gap:5px;align-items:center}.reader-tags{display:flex;gap:9px;flex-wrap:wrap;font-size:10px;color:var(--faint);margin-bottom:23px}.reader-actions{display:flex;flex-wrap:wrap;gap:7px;padding-top:18px;border-top:1px solid var(--border)}.flag-button{display:flex;align-items:center;gap:6px;padding:8px 10px;min-height:35px;border:1px solid var(--border);border-radius:6px;background:var(--surface);font-size:10px;color:var(--muted)}.flag-button.active{background:var(--accent-soft);color:var(--accent);border-color:color-mix(in srgb,var(--accent) 25%,transparent)}.flag-button.active.amber{background:var(--amber-soft);color:var(--amber);border-color:color-mix(in srgb,var(--amber) 25%,transparent)}.reader-status-hint{font-size:9px;color:var(--faint);margin:12px 0 27px}.reader-aside{position:sticky;top:24px;min-width:0}.reader-study-box{padding:21px 18px;background:var(--surface);border:1px solid var(--border);border-radius:10px}.reader-study-box>.eyebrow{font-size:8px}.reader-study-box h3{font-size:17px}.reader-study-box p{font-size:11px;color:var(--muted);line-height:1.7}.reader-study-box .button{width:100%;margin-top:8px;font-size:10px;min-height:35px;padding:8px}.disabled-link{opacity:.5;pointer-events:none}.reader-study-box>small{display:block;font-size:9px;line-height:1.6;margin-top:10px}.reader-toc{margin-top:25px;padding:0 6px;display:flex;flex-direction:column}.reader-toc>.eyebrow{font-size:8px;margin-bottom:9px}.reader-toc button,.reader-toc a{border:0;background:none;text-align:left;color:var(--muted);font-size:10px;line-height:1.6;padding:7px 0}.reader-toc button:hover,.reader-toc a:hover{color:var(--accent)}.reader-toc button.indented{padding-left:11px;font-size:9px}.reader-sources{margin:35px 0;padding-top:23px;border-top:1px solid var(--border)}.reader-sources h2{font-size:17px}.reader-sources>a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--border);font-size:12px;color:var(--accent)}.reader-sources>a>span{overflow-wrap:anywhere}.personal-notes{margin-top:35px;padding:23px;border:1px solid var(--border);border-radius:11px;background:var(--surface)}.personal-notes>p{font-size:11px}.notes-controls{display:flex;gap:13px;align-items:flex-end;margin-top:17px;flex-wrap:wrap}.notes-controls>.field{flex:1;min-width:140px}.notes-controls .field>span{font-size:10px}.notes-controls select{font-size:11px;min-height:37px}.notes-controls>.button{min-height:37px;font-size:11px}.markdown{font-size:14px;line-height:1.85;color:var(--text);overflow-wrap:anywhere}.markdown h1{font-size:27px;margin:30px 0 18px;line-height:1.3}.markdown h2{font-size:21px;margin:32px 0 16px;line-height:1.4}.markdown h3{font-size:17px;margin:25px 0 12px;line-height:1.45}.markdown h4{font-size:15px;margin:20px 0 12px}.markdown h1,.markdown h2,.markdown h3{scroll-margin-top:25px}.markdown p{line-height:1.85;margin:14px 0}.markdown>p:first-child{margin-top:0}.markdown ul,.markdown ol{padding-left:22px;margin:14px 0}.markdown li{margin:5px 0;padding-left:3px}.markdown li>p{margin:7px 0}.markdown a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.markdown strong{font-weight:650}.markdown blockquote{margin:21px 0;padding:12px 18px;background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:0 7px 7px 0;font-size:13px}.markdown blockquote>p{margin:0}.markdown :not(pre)>code{background:var(--surface-soft);border:1px solid var(--border);border-radius:4px;padding:2px 5px;font-size:.88em;overflow-wrap:anywhere}.markdown code{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace}.code-block{margin:22px 0;border:1px solid var(--border);border-radius:9px;overflow:hidden;background:var(--surface-soft)}.code-toolbar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding:7px 12px;font-size:9px;color:var(--muted);background:var(--surface)}.code-toolbar>button{display:flex;align-items:center;gap:5px;background:none;border:0;padding:2px 0;font-size:9px;color:var(--muted)}.markdown pre{font-family:SFMono-Regular,Consolas,monospace;padding:17px;margin:0;overflow:auto;font-size:11px;line-height:1.8;white-space:pre;overflow-wrap:normal}.markdown pre code{padding:0;border:0;background:none}.table-scroll{overflow:auto;margin:20px 0;border:1px solid var(--border);border-radius:8px}.markdown table{border-collapse:collapse;width:100%;font-size:12px}.markdown th,.markdown td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top;min-width:90px}.markdown th{background:var(--surface-soft);font-weight:600}.markdown tr:last-child td{border-bottom:0}.markdown img{display:block;max-width:100%;height:auto;border-radius:8px}.markdown hr{border:0;border-top:1px solid var(--border);margin:30px 0}.practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:28px;align-items:start}.practice-config{padding:25px}.segmented{display:flex;gap:6px;background:var(--surface-soft);padding:5px;border-radius:9px;margin:19px 0 25px}.segmented>button{flex:1;border:1px solid transparent;border-radius:6px;background:none;padding:11px 10px;font-size:12px;color:var(--muted);text-align:left}.segmented>button.selected{background:var(--surface);border-color:var(--border);color:var(--accent);box-shadow:0 1px 4px #00000008}.segmented>button>small{display:block;font-size:9px;font-weight:400;color:var(--faint);margin-top:5px}.segmented.compact{margin:0;gap:4px}.segmented.compact>button{display:flex;align-items:center;gap:7px;font-size:11px;padding:8px 10px;text-align:center;justify-content:center}.session-start{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:23px;border-top:1px solid var(--border);margin-top:25px}.session-start>p{font-size:10px;margin:0;max-width:230px}.session-start>.button{flex-shrink:0}.aside-quote{padding:9px 4px 23px;border-bottom:1px solid var(--border)}.aside-quote>.eyebrow{font-size:8px}.aside-quote h3{font-size:23px;line-height:1.4;font-weight:500;letter-spacing:-.04em}.aside-quote p{font-size:12px;color:var(--muted);line-height:1.85;margin:14px 0 0}.aside-list{padding:25px 4px}.aside-list h3{font-size:12px;margin-bottom:16px}.aside-list p{display:flex;align-items:center;gap:9px;font-size:11px;color:var(--muted);margin:11px 0}.aside-list p svg{color:var(--accent)}.session-history{margin-top:35px}.session-row{display:flex;align-items:center;gap:13px;padding:17px 20px;border-bottom:1px solid var(--border)}.session-row:last-child{border:0}.session-row:hover{background:var(--surface-soft)}.session-row>div:nth-child(2){flex:1;min-width:0}.session-row strong{font-size:12px;font-weight:550;line-height:1.5}.session-row p{font-size:10px;margin:4px 0 0;color:var(--muted)}.practice-runner-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:24px}.practice-runner-heading .back-link{margin:0}.timer{display:flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px}.timer small{font-size:9px;color:var(--faint);margin-left:1px}.timer-warning{color:var(--red)}.runner-progress{margin-bottom:27px}.runner-progress>div:first-child{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:10px}.runner-progress span{font-size:9px;font-weight:650;letter-spacing:.1em;color:var(--muted)}.runner-progress strong{font-size:10px;font-weight:500;color:var(--muted)}.runner-layout{display:grid;grid-template-columns:minmax(0,1fr) 195px;gap:25px;align-items:start}.question-panel{padding:28px;border:1px solid var(--border);background:var(--surface);border-radius:13px;min-width:0}.question-topline{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:16px;flex-wrap:wrap}.question-topline .eyebrow{margin:0;font-size:9px}.inline-badges{display:flex;gap:6px}.inline-badges .badge{font-size:9px}.question-topic{font-size:10px;color:var(--muted);margin:0 0 15px}.question-prompt{margin:15px 0 25px}.question-prompt .markdown{font-size:18px;line-height:1.7}.question-prompt .markdown h1,.question-prompt .markdown h2{font-size:21px}.answer-options{display:flex;flex-direction:column;gap:10px;border:0;padding:0;margin:0}.answer-option{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--border);border-radius:8px;background:var(--surface);font-size:12px;line-height:1.65;cursor:pointer}.answer-option input{position:absolute;opacity:0;width:1px;height:1px}.answer-option:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.answer-option:hover{background:var(--surface-soft)}.answer-option.chosen{border-color:var(--accent);background:var(--accent-soft)}.answer-option>span:nth-last-child(1),.answer-option>span:nth-child(3){flex:1;min-width:0}.option-letter{display:flex;align-items:center;justify-content:center;width:27px;height:27px;flex:none!important;background:var(--surface-soft);border:1px solid var(--border);border-radius:5px;color:var(--muted);font-size:11px}.answer-option.chosen .option-letter{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.answer-option.option-correct{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.answer-option.option-wrong{background:var(--red-soft);border-color:var(--red)}.code-answer{font-family:Consolas,SFMono-Regular,monospace;font-size:12px}.submission-row{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:20px;flex-wrap:wrap}.save-indicator{display:flex;align-items:center;gap:6px;font-size:9px;color:var(--faint);line-height:1.5}.answer-feedback{margin-top:25px;background:var(--surface-soft);border:1px solid var(--border);border-radius:9px;padding:20px}.feedback-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;font-size:13px;font-weight:550;color:var(--accent)}.answer-feedback.needs-work .feedback-heading{color:var(--amber)}.answer-feedback .markdown{font-size:12px}.answer-feedback .markdown h2{font-size:18px}.rubric{margin:18px 0;font-size:11px;line-height:1.75}.rubric ul{padding-left:19px;margin:8px 0}.rubric li{margin:5px 0}.self-assessment{border-top:1px solid var(--border);padding-top:16px;margin-top:17px}.self-assessment>p{font-size:11px;font-weight:550}.self-assessment>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:17px}.self-assessment button{border:1px solid var(--border);background:var(--surface);padding:12px;text-align:left;border-radius:7px}.self-assessment button:hover{border-color:var(--accent)}.self-assessment strong{display:block;font-size:11px;color:var(--text)}.self-assessment small{display:block;font-size:9px;color:var(--muted);margin-top:5px;line-height:1.5}.runner-navigation{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:27px;padding-top:21px;border-top:1px solid var(--border)}.question-map{padding:20px 16px;border:1px solid var(--border);border-radius:11px;background:var(--surface)}.question-map h3{font-size:12px}.question-map>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin:17px 0}.question-map>div>button{height:32px;border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:5px;font-size:11px;display:flex;align-items:center;justify-content:center}.question-map>div>button.answered{background:var(--accent-soft);color:var(--accent);border-color:transparent}.question-map>div>button[aria-current]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.question-map>p{font-size:10px;color:var(--muted);margin:0 0 15px}.question-map>.button{width:100%;font-size:10px;min-height:33px}.question-map>small{display:block;font-size:9px;color:var(--faint);line-height:1.7;margin-top:15px}.notice-inline{display:flex;align-items:center;gap:8px;padding:14px;background:var(--accent-soft);color:var(--accent);border-radius:8px;font-size:11px;line-height:1.65;margin-top:20px}.results-heading{text-align:center;max-width:500px;margin:8px auto 30px}.result-seal{width:57px;height:57px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 19px;color:var(--accent);background:var(--accent-soft)}.results-heading .eyebrow{justify-content:center;font-size:9px}.results-heading h1{font-size:30px}.results-heading p:last-child{font-size:12px;color:var(--muted);line-height:1.75}.result-metrics{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid var(--border);border-radius:11px;background:var(--surface);padding:24px 10px}.result-metrics>div{text-align:center;border-right:1px solid var(--border)}.result-metrics>div:last-child{border:0}.result-metrics span{font-size:10px;color:var(--muted);display:block;margin-bottom:9px}.result-metrics strong{font-size:28px;font-weight:550;letter-spacing:-.04em}.result-context{text-align:center;font-size:10px;color:var(--muted);margin:16px 0}.results-actions{display:flex;align-items:center;justify-content:center;gap:10px;margin:24px 0 38px;flex-wrap:wrap}.result-question{border:1px solid var(--border);border-radius:10px;background:var(--surface);margin-bottom:10px;overflow:hidden}.result-question-toggle{display:flex;align-items:center;gap:13px;width:100%;padding:18px;background:none;border:0;text-align:left}.result-question-toggle>span:nth-child(2){flex:1;min-width:0}.result-question-toggle small{display:block;font-size:8px;font-weight:550;letter-spacing:.07em;color:var(--faint);margin-bottom:5px}.result-question-toggle strong{font-size:12px;line-height:1.6;font-weight:550;display:block}.rotated{transform:rotate(90deg)}.result-question-body{padding:0 23px 24px}.result-question-body>.markdown{font-size:12px}.result-question-body h4{font-size:12px;margin:22px 0 11px}.result-question-body>ul{font-size:12px;line-height:1.8;padding-left:19px}.your-answer{background:var(--surface-soft);border-radius:8px;padding:14px;margin:20px 0}.your-answer strong{font-size:10px;color:var(--muted)}.your-answer>p{font-size:12px;margin:7px 0 0;white-space:pre-wrap}.review-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px}.review-toolbar>select{width:250px;max-width:100%;font-size:12px}.review-mode-note{font-size:11px;color:var(--muted);margin:16px 0 28px}.review-layout{display:grid;grid-template-columns:minmax(0,1fr) 215px;gap:35px;align-items:start}.flashcard-area{min-width:0}.flashcard-topline{display:flex;justify-content:space-between;gap:10px;align-items:center;font-size:10px;color:var(--muted);margin:0 1px 13px}.flashcard{background:var(--surface);border:1px solid var(--border);border-radius:15px;box-shadow:var(--shadow);padding:27px 30px;min-height:310px;display:flex;flex-direction:column}.flashcard-label{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:10px}.flashcard-front{padding:33px 0 25px;flex:1;display:flex;align-items:center;justify-content:center;text-align:center}.flashcard-front .markdown{font-size:21px;font-weight:500;line-height:1.7}.flashcard-front .markdown h1,.flashcard-front .markdown h2{font-size:23px}.flashcard-front .markdown p{line-height:1.65}.flashcard-answer{border-top:1px solid var(--border);padding:22px 0 15px}.flashcard-answer .eyebrow{font-size:8px;color:var(--accent)}.flashcard-answer .markdown{font-size:13px}.flashcard-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap;padding-top:19px;border-top:1px solid var(--border);color:var(--faint);font-size:9px}.flashcard-bottom>a{display:flex;align-items:center;gap:6px;color:var(--muted);line-height:1.5}.reveal-button{display:flex;width:100%;margin-top:17px;min-height:45px}.rating-section>p{text-align:center;font-size:11px;color:var(--muted);margin:23px 0 12px}.rating-buttons{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.rating-buttons>button{border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:13px 6px}.rating-buttons>button:hover{border-color:var(--accent);background:var(--accent-soft)}.rating-buttons strong{font-size:12px;display:block}.rating-buttons small{font-size:9px;color:var(--muted);display:block;margin-top:6px;line-height:1.5}.rating-again strong{color:var(--red)}.rating-hard strong{color:var(--amber)}.rating-good strong,.rating-easy strong{color:var(--accent)}.review-under{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:16px 0;color:var(--faint);font-size:9px;line-height:1.6}.review-under .text-button{font-size:10px}.review-legend{padding:25px 4px}.review-legend h3{font-size:12px}.review-legend p{font-size:10px;color:var(--muted);line-height:1.7;margin:12px 0}.review-legend strong{display:block;font-weight:550;color:var(--text);font-size:11px;margin-bottom:1px}.review-complete{text-align:center;padding:50px 25px;background:var(--surface);border:1px solid var(--border);border-radius:14px}.review-complete h2{font-size:26px}.review-complete>p{max-width:440px;margin:0 auto 24px;color:var(--muted);font-size:12px}.review-complete>.text-button{margin-top:20px}.materials-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:30px;align-items:start}.import-dropzone{border:1.5px dashed var(--border);border-radius:14px;background:var(--surface);padding:45px 20px;text-align:center;transition:background .15s,border-color .15s}.import-dropzone.dragging{border-color:var(--accent);background:var(--accent-soft)}.upload-symbol{display:flex;align-items:center;justify-content:center;width:62px;height:62px;border-radius:17px;background:var(--surface-soft);border:1px solid var(--border);margin:0 auto 22px;color:var(--accent)}.import-dropzone h2{font-size:23px}.import-dropzone p{font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:23px}.import-dropzone small{font-size:9px;color:var(--faint);margin-top:22px;display:block;line-height:1.8}.authoring-card{padding:24px;background:var(--accent-soft);border-radius:12px}.authoring-card h2{font-size:21px;line-height:1.35}.authoring-card p{font-size:11px;color:var(--muted);line-height:1.8;margin:13px 0 18px}.authoring-card .button{font-size:10px;padding:9px 11px;min-height:34px}.material-types{margin-top:25px;padding:0 4px}.material-types h3{font-size:12px;margin-bottom:18px}.material-types>p{display:flex;gap:11px;align-items:flex-start;margin:17px 0;color:var(--muted)}.material-types>p>svg{margin-top:2px;color:var(--accent)}.material-types>p>span{font-size:10px;line-height:1.7}.material-types strong{display:block;font-size:11px;color:var(--text);font-weight:550}.material-types>.text-link{font-size:10px;margin-top:4px}.import-preview{margin-top:23px}.import-preview .section-heading h2{font-size:18px}.import-counts{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:23px 0 17px}.import-counts strong{display:block;font-size:29px;letter-spacing:-.04em;font-weight:550;margin-bottom:5px}.import-counts span{font-size:11px;color:var(--muted)}.import-preview>.muted{font-size:11px}.import-preview>.button{margin-top:12px}.import-preview>.tiny{margin-top:14px;margin-bottom:0;font-size:10px}.validation-errors{background:var(--red-soft);border-radius:8px;padding:17px;margin:20px 0;color:var(--red)}.validation-errors h3{font-size:12px;margin-bottom:12px}.validation-errors>div{margin:11px 0}.validation-errors code{display:block;overflow-wrap:anywhere;font-size:10px}.validation-errors p{margin:4px 0 0;font-size:11px}.import-warnings{margin:16px 0;font-size:11px;color:var(--muted);line-height:1.8}.import-warnings summary{cursor:pointer;font-weight:550;color:var(--amber)}.import-warnings ul{padding-left:17px}.import-warnings li{overflow-wrap:anywhere;margin:7px 0}.error-box{margin:20px 0;padding:18px;background:var(--red-soft);color:var(--red);border:1px solid color-mix(in srgb,var(--red) 25%,transparent);border-radius:9px}.error-box strong{font-size:12px}.error-box p{font-size:12px;margin:6px 0 0;overflow-wrap:anywhere}.backup-section{margin-top:43px;padding-top:30px;border-top:1px solid var(--border)}.backup-section .eyebrow{font-size:8px;margin-bottom:6px}.backup-section .section-heading>svg{color:var(--muted)}.backup-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.backup-cards>article{border:1px solid var(--border);border-radius:10px;background:var(--surface);padding:20px;display:flex;flex-direction:column;align-items:flex-start}.backup-cards h3{font-size:13px}.backup-cards p{font-size:11px;line-height:1.8;color:var(--muted);flex:1;margin-bottom:20px}.backup-cards .button{font-size:10px;padding:8px 10px;min-height:34px}.guide-tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--border);padding-bottom:13px;margin-bottom:22px}.guide-tabs>a{font-size:11px;padding:9px 12px;border-radius:6px;color:var(--muted)}.guide-tabs>a[aria-current]{background:var(--accent-soft);color:var(--accent);font-weight:550}.guide-tabs>a:hover{background:var(--surface-soft)}.guide-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:24px}.guide-actions .button{font-size:11px;min-height:36px}.guide-document{max-width:800px;padding:30px 35px;background:var(--surface);border:1px solid var(--border);border-radius:12px}.guide-document .markdown>h1:first-child{margin-top:0}.guide-document .markdown{font-size:13px}.activity-overview{display:grid;grid-template-columns:1fr 1.4fr;gap:23px;margin-bottom:33px}.activity-overview .eyebrow{font-size:9px}.activity-overview .large-stat{font-size:43px;font-weight:500;letter-spacing:-.06em;display:block;line-height:1.1;margin:18px 0}.activity-overview p{font-size:11px;line-height:1.8;margin-bottom:0}.activity-overview h2{font-size:14px}.activity-bars{display:flex;justify-content:space-between;gap:14px;align-items:flex-end;padding:12px 8px 0}.activity-bar-column{flex:1;display:flex;flex-direction:column;align-items:center;gap:7px;min-width:0}.activity-bar-column>span{font-size:9px;color:var(--muted);font-variant-numeric:tabular-nums}.activity-bar-track{height:80px;width:100%;max-width:36px;display:flex;align-items:flex-end;border-radius:4px;background:var(--surface-soft);overflow:hidden}.activity-bar-track>div{background:var(--accent);width:100%;border-radius:4px}.activity-bar-column>small{font-size:8px;color:var(--faint)}.activity-overview .tiny{font-size:9px;margin-top:16px}.activity-list{background:var(--surface);border:1px solid var(--border);border-radius:11px;overflow:hidden}.attempt-row{display:flex;align-items:flex-start;gap:13px;padding:19px 20px;border-bottom:1px solid var(--border)}.attempt-row:last-child{border:0}.attempt-indicator{width:29px;height:29px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--surface-soft);color:var(--muted);flex-shrink:0;font-size:12px}.attempt-indicator.correct{background:var(--accent-soft);color:var(--accent)}.attempt-indicator.partial{background:var(--amber-soft);color:var(--amber)}.attempt-indicator.incorrect{background:var(--red-soft);color:var(--red)}.attempt-row>div{flex:1;min-width:0}.attempt-row strong{font-size:12px;line-height:1.6;font-weight:550;display:block;overflow-wrap:anywhere}.attempt-row p{font-size:10px;color:var(--muted);margin:5px 0}.attempt-row small{font-size:9px;color:var(--faint)}.attempt-row>.text-link{font-size:10px;margin-top:4px}@media(min-width:1500px){.main-content{padding-top:50px}.topbar{padding-left:max(40px,calc((100vw - 1396px)/2))}.hero-copy{padding:40px}.hero-copy h2{font-size:30px}}@media(max-width:1150px){.sidebar{width:215px;padding-left:16px;padding-right:16px}.main-shell{margin-left:215px}.topbar{padding:0 28px}.main-content{padding:34px 28px}.app-footer{padding:21px 28px}.dashboard-grid{grid-template-columns:minmax(0,1.4fr) minmax(210px,1fr);gap:20px}.metric-strip>div{padding:0 18px}.topic-row{padding:17px 14px}.topic-row>.badge{display:none}.library-layout{grid-template-columns:155px minmax(0,1fr);gap:20px}.reader-layout{grid-template-columns:minmax(0,1fr) 185px;gap:25px}.reader-study-box{padding:18px 13px}.reader-study-box h3{font-size:15px}.reader-study-box .button{font-size:9px;gap:5px}.practice-layout{grid-template-columns:minmax(0,1fr) 190px;gap:22px}.practice-config{padding:21px}.practice-config .form-grid{gap:17px}.session-start{align-items:flex-start;flex-direction:column}.practice-aside .aside-quote h3{font-size:20px}.runner-layout{grid-template-columns:minmax(0,1fr) 165px;gap:19px}.question-panel{padding:23px}.question-map{padding:17px 12px}.question-map>div{gap:5px}.review-layout{grid-template-columns:minmax(0,1fr) 180px;gap:25px}.materials-layout{grid-template-columns:minmax(0,1fr) 210px;gap:22px}.authoring-card{padding:20px}.authoring-card h2{font-size:19px}.backup-cards{gap:12px}.backup-cards>article{padding:17px}}@media(max-width:950px){.sidebar{transform:translate(-100%);width:246px;transition:transform .2s}.sidebar.mobile-open{transform:translate(0)}.sidebar-backdrop{display:block;position:fixed;inset:0;background:#00000059;border:0;z-index:25}.mobile-close{display:flex;position:absolute;right:12px;top:12px}.main-shell{margin-left:0}.mobile-menu{display:flex;margin-right:10px;margin-left:-7px}.topbar{height:65px;padding:0 25px}.top-settings{display:flex}.main-content{padding:32px 25px 40px;max-width:900px}.app-footer{padding:19px 25px 96px}.bottom-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;left:0;right:0;bottom:0;min-height:68px;padding:8px 10px max(8px,env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--surface);z-index:20}.bottom-nav>a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:var(--muted);font-size:9px;padding:5px;border-radius:8px}.bottom-nav>a[aria-current]{color:var(--accent);background:var(--accent-soft)}.toast{bottom:85px}.reader-layout{grid-template-columns:minmax(0,1fr) 200px}.reader-study-box .button{font-size:10px}.reader-toc{position:static}.practice-layout{grid-template-columns:minmax(0,1fr) 210px}.session-start{flex-direction:row;align-items:center}.materials-layout{grid-template-columns:minmax(0,1fr) 220px}.hero-copy{padding:30px}.reader-heading h1{font-size:31px}}@media(max-width:720px){h1{font-size:30px}.page-heading{gap:16px;margin-bottom:25px}.heading-actions .button{font-size:10px;min-height:35px;padding:8px 10px}.page-description{font-size:12px}.today-hero{grid-template-columns:minmax(0,1.3fr) minmax(180px,1fr)}.hero-copy{padding:25px}.hero-copy h2{font-size:24px}.hero-note{padding:22px}.hero-note h3{font-size:17px}.metric-strip>div{padding:0 14px}.metric-label{font-size:9px}.metric-strip strong{font-size:26px}.metric-note{font-size:8px}.dashboard-grid{grid-template-columns:1fr}.practice-invitation{display:grid;grid-template-columns:1fr auto;gap:0 20px;padding:22px}.practice-invitation .invitation-icon{display:none}.practice-invitation h2{max-width:none;font-size:19px}.practice-invitation p{grid-column:1;max-width:none;margin-bottom:0}.practice-invitation>.button{grid-column:2;grid-row:1 / 3;align-self:center}.invitation-meta{grid-column:1 / -1;margin-top:15px}.library-layout{grid-template-columns:1fr;gap:18px}.library-folders{padding:0}.folders-toggle{display:flex;align-items:center;gap:9px;width:100%;padding:11px 13px;border:1px solid var(--border);background:var(--surface);border-radius:8px;font-size:12px;color:var(--muted)}.folders-toggle>svg:last-child{margin-left:auto}.folder-list{display:none;padding:14px 6px 6px;border:1px solid var(--border);border-top:0;border-radius:0 0 9px 9px;background:var(--surface)}.folders-open .folder-list{display:block}.folders-open .folders-toggle{border-radius:8px 8px 0 0}.folder-list>.eyebrow{display:none}.folder-list>button{font-size:12px;min-height:40px}.folder-divider{margin:10px}.library-topic{padding:18px}.reader-layout{display:flex;flex-direction:column;gap:26px}.reader-aside{position:static;width:100%;order:-1}.reader-study-box{padding:17px;display:flex;flex-wrap:wrap;align-items:center;gap:9px}.reader-study-box>.eyebrow,.reader-study-box>h3,.reader-study-box>p{display:none}.reader-study-box>.button{flex:1;width:auto;min-height:38px;font-size:11px;margin:0}.reader-study-box>small{flex:1 1 100%;margin:0}.reader-toc{display:none}.reader-article{width:100%}.reader-heading h1{font-size:31px}.reader-actions{gap:6px}.flag-button{font-size:11px;min-height:38px}.reader-status-hint{font-size:10px}.reader-meta{font-size:11px}.markdown{font-size:15px}.markdown h2{font-size:22px}.markdown h3{font-size:18px}.personal-notes{padding:20px}.practice-layout{grid-template-columns:1fr}.practice-aside{display:none}.session-start{flex-direction:row;align-items:center}.runner-layout{grid-template-columns:1fr}.question-map{padding:20px}.question-map>div{grid-template-columns:repeat(8,minmax(0,1fr));gap:8px}.question-map>div>button{min-height:37px}.question-map>.button{width:auto;min-height:37px;font-size:11px}.question-map>small{display:inline;margin-left:15px}.question-panel{padding:25px}.review-layout{grid-template-columns:1fr}.review-aside{display:none}.review-toolbar{gap:14px;align-items:stretch;flex-wrap:wrap}.review-toolbar>select{width:100%}.review-toolbar>.segmented{flex:1}.flashcard{min-height:330px}.materials-layout{grid-template-columns:1fr}.materials-aside{display:grid;grid-template-columns:1fr 1fr;gap:20px}.authoring-card{padding:24px}.material-types{margin-top:10px}.backup-cards{grid-template-columns:1fr}.backup-cards>article{display:grid;grid-template-columns:1fr auto;gap:0 20px;padding:20px}.backup-cards h3{grid-column:1}.backup-cards p{grid-column:1;margin:0}.backup-cards .button{grid-column:2;grid-row:1/3;align-self:center;font-size:11px}.activity-overview{grid-template-columns:1fr 1.3fr;gap:16px}.activity-overview .panel{padding:20px}.activity-bars{gap:8px;padding-left:0;padding-right:0}.guide-document{padding:25px}.guide-document .markdown{font-size:14px}.guide-document .markdown pre{font-size:11px}}@media(max-width:480px){.topbar{padding:0 17px;gap:10px;height:61px}.breadcrumb{font-size:10px;gap:6px}.breadcrumb>strong{display:none}.breadcrumb>svg{display:none}.search-trigger{border:0;background:none;padding:7px;min-width:35px;justify-content:center}.search-trigger>span,.search-trigger>kbd{display:none}.top-settings{min-width:33px;min-height:33px}.topbar-left{flex:1}.main-content{padding:27px 17px 32px}.page-heading{align-items:flex-start;flex-direction:column;gap:15px}.page-heading h1{font-size:29px;margin-bottom:9px}.page-heading .eyebrow{font-size:8px;margin-bottom:10px}.page-description{font-size:12px;line-height:1.8}.heading-actions>.button{font-size:11px;min-height:37px}.today-hero{grid-template-columns:1fr;margin-bottom:24px}.hero-copy{padding:25px}.hero-copy h2{font-size:25px;max-width:280px}.hero-copy>p{font-size:12px}.hero-note{padding:19px 24px;border-left:0;border-top:1px solid var(--border);display:grid;grid-template-columns:36px 1fr;gap:0 12px}.hero-note-icon{grid-column:1;grid-row:1/4;width:36px;height:38px;margin:2px 0 0;border-radius:8px}.hero-note-icon>svg{width:19px}.hero-note .eyebrow{grid-column:2;font-size:7px;margin-bottom:5px}.hero-note h3{grid-column:2;font-size:15px;margin-bottom:5px}.hero-note>p{grid-column:2;font-size:10px;margin-bottom:4px}.hero-note>.text-link{grid-column:2;font-size:10px}.metric-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0;margin-bottom:29px;padding-bottom:23px}.metric-strip>div{padding:0 18px}.metric-strip>div:nth-child(2){border-right:0}.metric-strip>div:nth-child(3){padding-left:1px}.metric-strip .metric-label{font-size:10px}.metric-note{font-size:9px}.metric-strip strong{font-size:28px}.metric-strip .progress-track{max-width:100px}.section-heading h2{font-size:17px}.section-heading .text-link{font-size:10px}.topic-row{gap:11px;padding:17px 14px}.topic-row-copy strong{font-size:12px}.topic-row-copy>span{font-size:10px}.practice-invitation{display:block;padding:22px}.practice-invitation>p{font-size:12px;margin-bottom:17px}.practice-invitation>.button{font-size:11px}.notice-row{font-size:10px;padding:14px;align-items:flex-start}.notice-row>svg:first-child{margin-top:3px}.notice-row>svg:last-child{display:none}.app-footer{padding:18px 17px 92px;font-size:9px;flex-direction:column;gap:8px}.filter-row{gap:7px}.filter-row>select{min-width:calc(50% - 4px);font-size:11px;min-height:39px}.filter-row>select:last-child{flex-basis:100%}.search-field input{font-size:13px!important;min-height:44px!important}.library-topic{gap:11px;padding:17px 13px}.library-topic>.topic-icon{width:31px;height:34px;margin-top:1px;border-radius:7px}.library-topic>.topic-icon>svg{width:16px}.topic-title-line h3{font-size:13px}.library-topic-copy>p{font-size:11px}.topic-meta{gap:8px;font-size:9px}.topic-chevron{display:none}.library-topic-copy .badge{font-size:9px}.back-link{margin-bottom:20px;font-size:11px}.reader-layout{gap:22px}.reader-study-box{padding:12px;gap:8px}.reader-study-box>.button{font-size:10px;min-height:38px}.reader-heading h1{font-size:29px}.reader-heading>.eyebrow{font-size:8px;flex-wrap:wrap;line-height:1.7}.reader-meta{gap:10px;font-size:10px}.reader-meta>.badge{font-size:10px}.reader-tags{font-size:10px}.reader-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.flag-button{justify-content:center;min-height:40px;font-size:11px}.reader-status-hint{font-size:9px;margin-bottom:23px}.markdown{font-size:14px;line-height:1.85}.markdown h1{font-size:25px}.markdown h2{font-size:21px}.markdown h3{font-size:17px}.markdown pre{font-size:11px;padding:13px}.markdown blockquote{padding:12px 14px;font-size:12px}.personal-notes{padding:18px 15px}.personal-notes .section-heading{gap:8px}.personal-notes .section-heading h2{font-size:16px}.personal-notes .tiny{font-size:9px}.notes-controls{gap:12px;align-items:stretch}.notes-controls .field{flex-basis:100%}.notes-controls select{font-size:12px;min-height:42px}.notes-controls>.button{width:100%;min-height:41px}.practice-config{padding:20px 16px}.practice-config .section-heading{align-items:flex-start;flex-wrap:wrap}.practice-config .section-heading .badge{font-size:9px}.segmented>button{font-size:11px;padding:11px 7px}.segmented>button>small{font-size:8px;line-height:1.5}.practice-config .form-grid{grid-template-columns:1fr;gap:18px}.field>span{font-size:12px}input:not([type=checkbox]):not([type=radio]),select,textarea{font-size:16px;min-height:44px}.session-start{align-items:stretch;flex-direction:column;gap:16px}.session-start>p{font-size:10px;max-width:none}.session-start>.button{width:100%}.session-row{padding:16px 13px;gap:10px}.session-row .topic-icon{width:31px;height:35px}.session-row strong{font-size:11px}.session-row p{font-size:9px}.session-row>.badge{font-size:9px}.session-row>svg{display:none}.question-panel{padding:22px 16px}.question-topline{gap:10px}.question-topline .eyebrow,.inline-badges .badge{font-size:8px}.question-prompt .markdown{font-size:17px}.question-prompt .markdown h1,.question-prompt .markdown h2{font-size:20px}.answer-option{padding:13px 11px;gap:10px;font-size:12px;min-height:55px}.option-letter{width:25px;height:25px}.submission-row{flex-direction:column;align-items:stretch;gap:14px}.submission-row>.button{width:100%;min-height:43px}.submission-row>.badge{align-self:flex-start}.save-indicator{font-size:9px}.answer-feedback{padding:17px 14px}.feedback-heading{font-size:12px;align-items:flex-start;flex-wrap:wrap}.answer-feedback .markdown{font-size:12px}.runner-navigation{gap:8px}.runner-navigation>.button{font-size:11px;padding:10px 11px;min-height:42px}.question-map>div{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.question-map>div>button{min-height:43px}.question-map>small{display:block;margin:12px 0 0;font-size:10px}.timer{font-size:12px;gap:5px}.timer small{font-size:8px}.practice-runner-heading .back-link{font-size:10px}.results-heading h1{font-size:28px}.result-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:21px 0;padding:21px 8px}.result-metrics>div:nth-child(3){border:0}.result-metrics span{font-size:9px}.result-metrics strong{font-size:25px}.result-context{font-size:9px;line-height:1.8}.results-actions>.button{font-size:11px}.result-question-toggle{padding:15px 12px;gap:10px}.result-question-toggle strong{font-size:11px}.result-question-body{padding:0 15px 21px}.result-question-body>.markdown{font-size:12px}.results-actions+.section-heading{align-items:flex-start;flex-direction:column;gap:5px}.results-actions+.section-heading>.tiny{font-size:9px}.review-toolbar>.segmented{flex-basis:100%}.segmented.compact>button{font-size:10px;padding:9px 7px;gap:6px;min-height:39px}.review-toolbar>select{font-size:13px;min-height:43px}.review-mode-note{font-size:10px;line-height:1.8;margin-top:13px}.flashcard{padding:23px 20px;min-height:310px}.flashcard-front{padding:33px 0}.flashcard-front .markdown{font-size:19px}.flashcard-front .markdown h1,.flashcard-front .markdown h2{font-size:21px}.flashcard-answer .markdown{font-size:13px}.flashcard-bottom{gap:8px;font-size:9px}.rating-buttons{gap:6px}.rating-buttons>button{padding:13px 4px}.rating-buttons strong{font-size:11px}.rating-buttons small{font-size:8px;line-height:1.6}.review-under{font-size:8px}.review-complete{padding:35px 20px}.review-complete h2{font-size:23px}.review-complete .button{font-size:11px;min-height:42px}.import-dropzone{padding:32px 17px}.import-dropzone h2{font-size:21px}.import-dropzone p{font-size:12px}.import-dropzone .button{font-size:11px;padding:10px 12px;min-height:42px}.import-dropzone small{font-size:9px}.materials-aside{grid-template-columns:1fr;gap:10px}.authoring-card{padding:24px}.authoring-card h2{font-size:22px;max-width:245px}.authoring-card p{font-size:12px}.authoring-card .button{font-size:11px;min-height:40px}.material-types{padding:15px 7px}.material-types>p>span{font-size:11px}.material-types strong{font-size:12px}.material-types .text-link{font-size:11px}.backup-section{margin-top:25px;padding-top:25px}.backup-cards>article{display:block;padding:21px}.backup-cards p{font-size:12px;margin-bottom:18px}.backup-cards .button{font-size:11px;min-height:40px}.import-preview{padding:21px 17px}.import-preview .section-heading{align-items:flex-start;flex-wrap:wrap}.import-preview .section-heading h2{font-size:17px}.import-preview .section-heading .badge{font-size:9px}.import-counts strong{font-size:27px}.import-counts span{font-size:10px}.guide-tabs{gap:4px}.guide-tabs>a{font-size:10px;padding:9px 10px;min-height:37px}.guide-document{padding:23px 17px}.guide-document .markdown{font-size:13px}.guide-document .markdown h1{font-size:25px}.guide-document .markdown h2{font-size:20px}.activity-overview{grid-template-columns:1fr}.activity-overview .large-stat{font-size:40px}.activity-bars{gap:15px}.activity-bar-track{height:85px}.activity-bar-column>small{font-size:9px}.activity-overview+.section-heading{align-items:flex-start;flex-wrap:wrap}.activity-overview+.section-heading select{font-size:12px;min-height:39px;max-width:100%}.attempt-row{padding:17px 13px;gap:10px}.attempt-row strong{font-size:11px}.attempt-row>.text-link{font-size:9px;gap:3px}.attempt-row>.text-link>svg{display:none}.attempt-row p{font-size:9px}.attempt-row small{font-size:8px}.attempt-indicator{width:26px;height:26px}.modal{padding:22px 18px}.modal-title h2{font-size:20px}.modal .form-grid{grid-template-columns:1fr}.modal .field>span{font-size:12px}.modal-actions>.button{font-size:12px}.toast{right:16px;bottom:84px;font-size:11px;padding:14px}.search-results>button{min-height:54px}.search-results strong{font-size:12px}.search-results small{font-size:10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.note-conflict{padding:18px;border:1px solid var(--border);border-radius:10px;background:var(--surface-soft);margin:16px 0}.note-conflict .button-row{justify-content:flex-start}.saved-note-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;max-height:220px;overflow-y:auto}.main-content:focus{outline:none}@media(max-width:950px){.sidebar{visibility:hidden}.sidebar.mobile-open{visibility:visible}}