.workspace-panel { padding-top: 2.6rem; }
.workspace-heading { margin-bottom: 1.7rem; }
.workspace-heading > span, .eyebrow { color: var(--blue); font-size: 0.65rem; font-weight: 850; letter-spacing: 0.12em; }
.workspace-heading h1 { margin: 0.4rem 0 0.45rem; font-size: clamp(2rem, 3.2vw, 2.85rem); letter-spacing: -0.055em; }
.workspace-heading p { max-width: 48rem; margin: 0; color: var(--muted); line-height: 1.6; }
.surface-card { border: 1px solid var(--line); border-radius: 0.72rem; background: var(--surface); box-shadow: var(--shadow-soft); }
.workspace-split { display: grid; grid-template-columns: minmax(14rem, 0.36fr) minmax(0, 1fr); align-items: start; gap: 1.1rem; }
.workspace-list { display: grid; gap: 0.55rem; }
.module-picker, .company-picker { width: 100%; border: 1px solid var(--line); border-radius: 0.6rem; background: var(--surface); color: var(--ink); cursor: pointer; text-align: left; }
.module-picker { display: grid; gap: 0.4rem; padding: 1rem; }
.module-picker small { color: var(--blue); font-size: 0.62rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; }
.module-picker strong { font-size: 0.9rem; line-height: 1.25; }
.module-picker span { color: var(--muted); font-size: 0.73rem; }
.module-picker.selected, .company-picker.selected, .lesson-row.selected { border-color: var(--blue); background: var(--blue-soft); }
.workspace-detail { min-width: 0; }
.course-head { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; padding: 1.5rem; }
.course-head h2, .card-heading h2 { margin: 0.4rem 0 0; font-size: 1.45rem; letter-spacing: -0.04em; }
.course-head p { max-width: 37rem; margin: 0.55rem 0 0; color: var(--muted); line-height: 1.5; font-size: 0.88rem; }
.course-count { flex: none; width: 4.3rem; height: 4.3rem; display: grid; align-content: center; justify-items: center; border-radius: 50%; background: var(--blue); color: white; font-size: 1.4rem; font-weight: 850; }
html[data-theme="dark"] .course-count { background: #1d4ca3; }
.course-count small { font-size: 0.58rem; font-weight: 650; }
.lesson-list { display: grid; gap: 0.45rem; margin-top: 0.8rem; }
.lesson-row { display: grid; grid-template-columns: 2rem 1fr auto; align-items: center; gap: 0.8rem; min-height: 3.75rem; padding: 0.7rem 1rem; border: 1px solid var(--line); border-radius: 0.5rem; background: var(--surface); text-align: left; cursor: pointer; }
.lesson-row > span { color: var(--blue); font-family: Georgia, serif; font-size: 1.1rem; }
.lesson-row strong { font-size: 0.88rem; }
.lesson-row small { color: var(--muted); font-size: 0.7rem; }
.lesson-content { margin-top: 1rem; padding: 1.7rem; }
.lesson-content h2 { margin: 0.45rem 0 0.7rem; font-size: 1.8rem; letter-spacing: -0.04em; }
.lesson-content p { max-width: 42rem; color: var(--muted); line-height: 1.65; }
.formula-box { display: grid; gap: 0.55rem; margin: 1.35rem 0; padding: 1.2rem; border-left: 3px solid var(--blue); background: var(--surface-2); }
.formula-box small { color: var(--blue); font-size: 0.61rem; font-weight: 850; letter-spacing: 0.1em; }
.formula-box strong { overflow-wrap: anywhere; font-size: 1rem; }
.lesson-note { padding-left: 0.9rem; border-left: 2px solid var(--amber); }
.company-search-row, .library-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; color: var(--muted); font-size: 0.78rem; }
.workspace-search { width: min(28rem, 100%); position: relative; }
.workspace-search span { position: absolute; left: 0.9rem; top: 0.58rem; color: var(--blue); font-size: 1.2rem; }
.workspace-search input, .dcf-inputs input { width: 100%; min-height: 2.65rem; border: 1px solid var(--line); border-radius: 0.42rem; background: var(--paper); color: var(--ink); outline: none; }
.workspace-search input { padding: 0.6rem 0.8rem 0.6rem 2.4rem; }
.workspace-search input:focus, .dcf-inputs input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 15%, transparent); }
.company-picker { display: flex; align-items: center; gap: 0.8rem; padding: 0.8rem; }
.company-picker > span:nth-child(2) { display: grid; gap: 0.2rem; }
.company-picker strong { font-size: 0.88rem; }
.company-picker small { color: var(--muted); font-size: 0.7rem; }
.company-picker b { margin-left: auto; color: var(--blue); }
.ticker-mark { width: 2.5rem; height: 2.5rem; flex: none; display: grid; place-items: center; border-radius: 0.45rem; background: var(--blue-soft); color: var(--blue); font-weight: 850; }
.ticker-mark.large { width: 3.6rem; height: 3.6rem; font-size: 1.5rem; }
.company-profile, .data-placeholder { padding: 1.5rem; }
.company-title { display: flex; gap: 1rem; align-items: center; margin-top: 1.15rem; }
.company-title h2 { margin: 0; font-size: 1.7rem; }
.company-title p { margin: 0.3rem 0 0; color: var(--muted); font-size: 0.8rem; }
.profile-links { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 1.5rem; }
.workspace-two { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; margin-top: 0.9rem; }
.data-placeholder h3 { margin: 0.8rem 0 0.4rem; font-size: 1.04rem; }
.data-placeholder p, .source-note { color: var(--muted); font-size: 0.8rem; line-height: 1.6; }
.source-note { margin-top: 0.9rem; }
.text-action { border: 0; padding: 0; background: transparent; color: var(--blue); font-size: 0.8rem; font-weight: 750; cursor: pointer; }
.empty-state { padding: 1.6rem; color: var(--muted); font-size: 0.88rem; line-height: 1.5; }
.demo-callout { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; align-items: center; margin-bottom: 1rem; padding: 0.9rem 1rem; border-left: 3px solid var(--amber); background: color-mix(in srgb, var(--amber) 12%, var(--surface)); font-size: 0.8rem; }
.demo-callout strong { color: var(--ink); }
.demo-callout span { color: var(--muted); }
.dcf-layout { display: grid; grid-template-columns: minmax(19rem, 0.85fr) minmax(0, 1.15fr); align-items: start; gap: 1rem; }
.dcf-inputs { padding: 1.3rem; }
.dcf-inputs label, .career-form label { display: grid; gap: 0.4rem; color: var(--ink-2); font-size: 0.72rem; font-weight: 750; }
.dcf-inputs .model-name { margin: 1.25rem 0 1rem; }
.dcf-inputs input { padding: 0.55rem 0.7rem; }
.dcf-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.dcf-fields label > span { position: relative; }
.dcf-fields label input { padding-right: 3rem; }
.dcf-fields label small { position: absolute; right: 0.7rem; top: 0.8rem; color: var(--muted); font-size: 0.68rem; }
.dcf-actions { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 1.35rem; }
.dcf-output { display: grid; gap: 1rem; }
.dcf-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
.metric-card { min-height: 7.8rem; display: flex; flex-direction: column; justify-content: space-between; padding: 1rem; border: 1px solid var(--line); border-radius: 0.6rem; background: var(--surface); }
.metric-card.highlight { background: var(--ink); color: var(--paper); }
.metric-card span { font-size: 0.58rem; font-weight: 850; letter-spacing: 0.08em; }
.metric-card strong { overflow-wrap: anywhere; font-size: clamp(1.1rem, 1.7vw, 1.7rem); letter-spacing: -0.04em; }
.forecast-card, .method-card, .error-card { padding: 1.35rem; }
.table-scroll { overflow-x: auto; }
.forecast-card table { width: 100%; min-width: 28rem; border-collapse: collapse; margin-top: 1rem; font-size: 0.76rem; }
.forecast-card th, .forecast-card td { padding: 0.7rem 0.45rem; border-top: 1px solid var(--line); text-align: right; }
.forecast-card th:first-child { text-align: left; }
.forecast-card td { font-variant-numeric: tabular-nums; }
.method-card h3 { margin: 0.55rem 0; }
.method-card p, .error-card p { margin: 0; color: var(--muted); line-height: 1.65; font-size: 0.82rem; }
.model-list { display: grid; gap: 0.75rem; }
.model-entry { display: flex; align-items: center; gap: 1rem; padding: 1.1rem; }
.model-entry-icon { width: 3rem; height: 3rem; flex: none; display: grid; place-items: center; border-radius: 0.5rem; background: var(--blue-soft); color: var(--blue); font-size: 0.68rem; font-weight: 850; }
.model-entry h2 { margin: 0.25rem 0; font-size: 1rem; }
.model-entry p { margin: 0; color: var(--muted); font-size: 0.75rem; }
.model-entry-actions { display: flex; gap: 0.75rem; align-items: center; margin-left: auto; }
.empty-library { padding: 2rem; }
.empty-library h2 { margin: 0.6rem 0; }
.empty-library p { color: var(--muted); }
.career-guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
.career-guide-card { min-height: 22rem; padding: 1.35rem; }
.career-guide-card h2 { margin: 2rem 0 0.75rem; font-size: 1.45rem; letter-spacing: -0.04em; }
.career-guide-card p, .skills-guide p { color: var(--muted); font-size: 0.84rem; line-height: 1.65; }
.career-guide-card ul { padding-left: 1.1rem; color: var(--ink-2); font-size: 0.78rem; line-height: 1.8; }
.career-guide-card li::marker { color: var(--blue); }
.skills-guide { display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 1.4rem; margin-top: 0.9rem; padding: 1.5rem; }
.skills-guide h2 { margin: 0.45rem 0 0; font-size: 1.3rem; }
.skills-guide p { margin-bottom: 0; }
.skills-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.skills-steps span { padding: 0.65rem 0.75rem; border-radius: 0.4rem; background: var(--surface-2); color: var(--ink-2); font-size: 0.72rem; font-weight: 750; }
.overview-note { margin: 0.7rem 0 0; color: var(--muted); font-size: 0.72rem; line-height: 1.5; }
@media (max-width: 1050px) { .dcf-layout, .skills-guide { grid-template-columns: 1fr; } .career-guide-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 760px) { .workspace-split { grid-template-columns: 1fr; } .workspace-list { grid-template-columns: repeat(2, 1fr); } .company-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .workspace-panel { padding-top: 1.5rem; } .workspace-list, .company-list, .workspace-two, .dcf-metrics, .career-guide-grid { grid-template-columns: 1fr; } .company-search-row, .library-toolbar { align-items: stretch; flex-direction: column; } .workspace-search { width: 100%; } .model-entry { align-items: flex-start; flex-wrap: wrap; } .model-entry-actions { width: 100%; margin-left: 0; } }
.course-page-heading p { max-width: 54rem; }
.course-overall { display: flex; align-items: center; gap: 1rem; max-width: 40rem; margin-top: 1.2rem; color: var(--muted); font-size: 0.82rem; }
.course-overall .app-progress { flex: 1; min-width: 6rem; }
.course-nav-wrap { position: sticky; top: 1rem; align-self: start; min-width: 0; }
.course-nav-toggle { display: none; }
.course-module-list { max-height: calc(100dvh - 2rem); overflow-y: auto; overscroll-behavior: contain; padding: 0.2rem 0.35rem 0.2rem 0.15rem; scrollbar-gutter: stable; }
.course-module-list button:focus-visible, .course-nav-toggle:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.course-head { scroll-margin-top: 1rem; }
.lesson-content { color: var(--ink); }
.lesson-content .lesson-block { margin-top: 1.5rem; }
.lesson-content .lesson-block h3, .excel-guide h3, .lesson-quiz h3 { margin: 0 0 0.45rem; font-size: 1.05rem; }
.lesson-content .lesson-block p { margin: 0; font-size: 0.94rem; line-height: 1.75; }
.example-block, .warning-block { padding: 1rem 1.1rem; border-radius: 0.5rem; background: var(--surface-2); }
.warning-block { border-left: 3px solid var(--amber); }
.lesson-quiz { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.lesson-quiz h3 { margin-top: 0.5rem; }
.quiz-options { display: grid; gap: 0.5rem; margin-top: 0.8rem; }
.quiz-option { padding: 0.8rem 1rem; border: 1px solid var(--line); border-radius: 0.45rem; background: var(--paper); color: var(--ink); text-align: left; cursor: pointer; font: inherit; font-size: 0.9rem; }
.quiz-option:hover, .quiz-option:focus-visible { border-color: var(--blue); }
.quiz-option.correct { border-color: #178055; background: color-mix(in srgb, #178055 12%, var(--surface)); }
.quiz-option.wrong { border-color: #bb6946; background: color-mix(in srgb, #bb6946 11%, var(--surface)); }
.quiz-feedback { font-size: 0.86rem; }
.lesson-footer, .guide-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.7rem; margin-top: 1.4rem; }
.lesson-sources { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; margin-top: 1.8rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: 0.74rem; }
.lesson-sources span { color: var(--muted); }
.lesson-sources a, .guide-actions a { color: var(--blue); text-decoration: none; }
.excel-guide { margin-top: 2rem; padding: 1.35rem; border: 1px solid var(--line); border-radius: 0.6rem; background: var(--surface-2); }
.course-practice { margin-top: 2rem; padding: 1.3rem; border: 1px solid var(--line); border-radius: 0.6rem; background: var(--surface-2); }
.course-practice h3 { margin: 0.45rem 0 0.9rem; font-size: 1.2rem; }
.course-practice ol { display: grid; gap: 0.6rem; padding-left: 1.25rem; color: var(--ink-2); font-size: 0.89rem; line-height: 1.7; }
.course-practice li::marker { color: var(--blue); font-weight: 800; }
.practice-task { margin: 1rem 0; padding: 0.9rem 1rem; border-left: 3px solid var(--blue); background: var(--surface); font-size: 0.9rem; line-height: 1.65; }
.practice-task p { margin: 0.35rem 0 0; }
.course-practice details { padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: 0.45rem; background: var(--surface); font-size: 0.88rem; line-height: 1.7; }
.course-practice summary { color: var(--blue); font-weight: 800; cursor: pointer; }
.course-practice details p { margin-bottom: 0; }
.practice-check { margin-bottom: 0; color: var(--muted); font-size: 0.82rem; line-height: 1.6; }
.course-section-title span { color: var(--blue); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.1em; }
.course-section-title h3 { margin-top: 0.4rem; }
.course-section-title p { font-size: 0.88rem; }
.guide-steps { display: grid; gap: 0.8rem; padding-left: 1.3rem; font-size: 0.88rem; line-height: 1.7; }
.guide-steps li::marker { color: var(--blue); font-weight: 800; }
.guide-steps code { padding: 0.12rem 0.32rem; border-radius: 0.25rem; background: var(--paper); color: var(--ink); font-size: 0.85rem; overflow-wrap: anywhere; }
.hotkey-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.55rem; }
.hotkey-grid > div { display: flex; gap: 0.7rem; align-items: center; padding: 0.65rem; border: 1px solid var(--line); border-radius: 0.4rem; background: var(--surface); font-size: 0.76rem; }
.hotkey-grid kbd { flex: none; padding: 0.3rem 0.45rem; border-radius: 0.25rem; background: var(--ink); color: var(--paper); font-size: 0.72rem; }
.guide-footnote { font-size: 0.76rem; }
.dcf-full { display: grid; gap: 1rem; }
.dcf-header-fields { display: grid; grid-template-columns: minmax(12rem, 1fr) 7rem; gap: 0.8rem; margin-top: 1rem; }
.dcf-hint { color: var(--muted); font-size: 0.84rem; line-height: 1.55; }
.dcf-edit-table { width: 100%; min-width: 47rem; border-collapse: collapse; margin-top: 1.1rem; }
.dcf-edit-table th, .dcf-edit-table td { padding: 0.55rem; border-top: 1px solid var(--line); text-align: right; }
.dcf-edit-table th:first-child { min-width: 8rem; text-align: left; }
.dcf-edit-table th small { display: block; color: var(--muted); font-weight: 400; }
.dcf-edit-table input { min-width: 6.5rem; text-align: right; font-variant-numeric: tabular-nums; }
.dcf-assumptions { grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 1.2fr); }
.bridge-lines { display: grid; grid-template-columns: 1fr auto; gap: 0.6rem; margin: 1rem 0; font-size: 0.83rem; }
.bridge-lines strong { text-align: right; }
.bridge-lines span:nth-of-type(3), .bridge-lines strong:nth-of-type(3) { padding-top: 0.55rem; border-top: 1px solid var(--line); }
.company-identifiers { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1rem; }
.company-identifiers span { padding: 0.42rem 0.6rem; border-radius: 0.35rem; background: var(--surface-2); color: var(--ink-2); font-size: 0.76rem; }
.company-widget-card { margin-top: 0.9rem; padding: 1.25rem; }
.company-widget-card h3 { margin: 0.5rem 0; }
.tv-chart-box { height: 410px; margin-top: 1rem; }
.tv-fundamentals-box { min-height: 330px; margin-top: 0.8rem; }
.company-widget-card p { color: var(--muted); font-size: 0.8rem; line-height: 1.6; }
.quarterly-card { margin-top: 0.9rem; padding: 1.3rem; }
.quarter-head { display: flex; justify-content: space-between; align-items: start; gap: 1rem; }
.quarter-head h3 { margin: 0.45rem 0 0.25rem; font-size: 1.2rem; }
.quarter-head p { margin: 0; color: var(--muted); font-size: 0.79rem; }
.quarter-head a { flex: none; color: var(--blue); font-size: 0.79rem; font-weight: 750; text-decoration: none; }
.quarterly-card table { width: 100%; min-width: 31rem; border-collapse: collapse; margin-top: 1.3rem; font-size: 0.84rem; }
.quarterly-card th, .quarterly-card td { padding: 0.8rem 0.55rem; border-top: 1px solid var(--line); text-align: right; font-variant-numeric: tabular-nums; }
.quarterly-card th:first-child { text-align: left; }
.quarterly-card td:nth-child(2) { color: var(--blue); font-weight: 800; }
.quarterly-card > p { margin-bottom: 0; color: var(--muted); font-size: 0.76rem; line-height: 1.55; }
.quarter-data-status { flex: none; padding: 0.4rem 0.55rem; border-radius: 0.25rem; background: var(--surface-2); color: var(--ink-2); font-size: 0.74rem; font-weight: 750; }
.quarter-highlights { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.65rem; margin-top: 1.2rem; }
.quarter-highlights > div { min-width: 0; padding: 0.95rem; border: 1px solid var(--line); border-radius: 0.38rem; background: var(--surface-2); }
.quarter-highlights small { display: block; color: var(--muted); font-size: 0.77rem; }
.quarter-highlights strong { display: block; margin: 0.4rem 0 0.2rem; font-size: 1.2rem; font-variant-numeric: tabular-nums; }
.quarter-highlights span { color: var(--ink-2); font-size: 0.74rem; line-height: 1.45; }
.quarter-detail { margin-top: 1rem; border-top: 1px solid var(--line); }
.quarter-detail summary { padding-top: 0.9rem; color: var(--blue); font-size: 0.82rem; font-weight: 750; cursor: pointer; }
.quarter-detail p { color: var(--muted); font-size: 0.79rem; line-height: 1.55; }
.quarter-detail > a, .quarterly-card > a { color: var(--blue); font-size: 0.82rem; font-weight: 750; text-decoration: none; }
.company-valuation-card { margin-top: 0.9rem; }
.dcf-tutorial { margin-top: 1.7rem; }
.dcf-tutorial-intro { padding: 1.4rem 1.5rem; background: var(--surface-2); border-left: 3px solid var(--blue); border-radius: 0.35rem; }
.dcf-tutorial-intro h3 { margin: 0.45rem 0 0.6rem; font-size: 1.45rem; letter-spacing: -0.035em; }
.dcf-tutorial-intro p { max-width: 53rem; margin: 0 0 1rem; color: var(--ink-2); font-size: 0.96rem; line-height: 1.7; }
.dcf-guide-heading { margin: 2.6rem 0 1.25rem; padding-bottom: 0.9rem; border-bottom: 1px solid var(--line); }
.dcf-guide-heading > span { color: var(--blue); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.12em; }
.dcf-guide-heading h3 { margin: 0.35rem 0; font-size: 1.42rem; letter-spacing: -0.025em; }
.dcf-guide-heading p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.dcf-term-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.dcf-term { padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 0.5rem; background: var(--surface); }
.dcf-term h4 { margin: 0 0 0.45rem; color: var(--ink); font-size: 1rem; }
.dcf-term p { margin: 0 0 0.6rem; color: var(--ink-2); font-size: 0.91rem; line-height: 1.55; }
.dcf-term small { display: block; padding-top: 0.6rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.82rem; line-height: 1.5; }
.dcf-formula-strip { display: grid; gap: 0.4rem; margin-top: 1.1rem; padding: 1rem 1.15rem; border-radius: 0.4rem; background: var(--ink); color: var(--paper); }
.dcf-formula-strip span { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.75; }
.dcf-formula-strip strong { font-size: 1rem; line-height: 1.5; }
.dcf-step-index { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.4rem; }
.dcf-step-index button { padding: 0.5rem 0.75rem; border: 1px solid var(--line); border-radius: 0.35rem; color: var(--blue); background: var(--surface); font: inherit; font-size: 0.83rem; font-weight: 700; cursor: pointer; }
.dcf-step-index button:hover, .dcf-step-index button:focus-visible { border-color: var(--blue); }
.dcf-step-list { display: grid; gap: 1.35rem; }
.dcf-step { scroll-margin-top: 1.5rem; padding: 1.3rem; border: 1px solid var(--line); border-radius: 0.55rem; background: var(--surface); }
.dcf-step-heading { display: flex; align-items: center; gap: 0.9rem; }
.dcf-step-heading span { display: grid; place-items: center; flex: none; width: 2.5rem; height: 2.5rem; border-radius: 0.4rem; background: var(--blue); color: white; font-weight: 800; }
html[data-theme="dark"] .dcf-step-heading span { background: #1d4ca3; }
.dcf-step-heading h4 { margin: 0; font-size: 1.14rem; }
.dcf-step-action { margin: 0.9rem 0 1rem; color: var(--ink-2); font-size: 0.94rem; line-height: 1.7; }
.dcf-step figure { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 0.35rem; background: white; }
.dcf-image-wrap { position: relative; }
.dcf-cell-mark { position: absolute; box-sizing: border-box; border: 3px solid #db6b37; border-radius: 0.2rem; box-shadow: 0 0 0 3px rgba(255,255,255,0.88), 0 0 14px rgba(177,62,13,0.32); pointer-events: none; }
.dcf-step img { display: block; width: 100%; height: auto; object-fit: contain; }
.dcf-step figcaption { padding: 0.55rem 0.75rem; border-top: 1px solid #d9e1ea; color: #536173; background: #f6f9fc; font-size: 0.76rem; }
.dcf-zoom { margin-top: 0.6rem; max-width: none !important; }
.dcf-zoom summary { color: var(--blue); cursor: pointer; font-size: 0.84rem; font-weight: 750; }
.dcf-zoom-canvas { max-width: 100%; margin-top: 0.75rem; overflow: auto; border: 1px solid var(--line); background: #fff; }
.dcf-zoom-canvas > .dcf-image-wrap { width: max(100%, 90rem); }
.dcf-step-detail { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.6rem; margin-top: 1rem; }
.dcf-step-detail > div { padding: 0.85rem; border-radius: 0.35rem; background: var(--surface-2); }
.dcf-step-detail small { color: var(--blue); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.07em; }
.dcf-step-detail p { margin: 0.4rem 0 0; font-size: 0.85rem; line-height: 1.62; overflow-wrap: anywhere; }
.dcf-step-detail code { white-space: pre-wrap; font: inherit; font-variant-numeric: tabular-nums; }
.dcf-step-keys { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.8rem; }
.dcf-step-keys span { padding: 0.42rem 0.6rem; border: 1px solid var(--line); border-radius: 0.3rem; color: var(--ink-2); font-size: 0.78rem; }
.dcf-guide-audit { margin-top: 2rem; padding: 1.2rem 1.35rem; border: 1px solid var(--line); border-radius: 0.5rem; background: var(--surface-2); }
.dcf-guide-audit h3 { margin: 0 0 0.65rem; font-size: 1.14rem; }
.dcf-guide-audit ol { padding-left: 1.3rem; font-size: 0.88rem; line-height: 1.65; }
.dcf-guide-audit p { font-size: 0.85rem; line-height: 1.6; }
@media (max-width: 900px) { .dcf-assumptions { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
  .course-nav-wrap { top: 0.5rem; z-index: 20; }
  .course-nav-toggle { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 0.7rem; padding: 0.8rem 1rem; border: 1px solid var(--line); border-radius: 0.55rem; background: var(--surface); color: var(--ink); font: inherit; font-weight: 750; text-align: left; cursor: pointer; box-shadow: var(--shadow-soft); }
  .course-module-list { display: none; grid-template-columns: 1fr; max-height: min(64dvh, 28rem); margin-top: 0.4rem; padding: 0.3rem; border: 1px solid var(--line); border-radius: 0.55rem; background: var(--surface); box-shadow: var(--shadow-soft); }
  .course-nav-wrap.is-open .course-module-list { display: grid; }
  .course-head { scroll-margin-top: 4rem; }
}
@media (max-width: 620px) { .course-nav-wrap { top: 4rem; } .course-head { scroll-margin-top: 7.5rem; } }
@media (max-width: 900px) { .dcf-step-detail { grid-template-columns: 1fr; } }
@media (max-width: 620px) { .hotkey-grid, .dcf-header-fields, .dcf-term-grid, .quarter-highlights { grid-template-columns: 1fr; } .course-overall { flex-direction: column; align-items: stretch; } .tv-chart-box { height: 330px; } .dcf-step { padding: 0.9rem; } }
.course-v3-archive { margin-top: 0.6rem !important; font-size: 0.82rem; }
.course-v3-tracks { display: flex; gap: 0.45rem; margin-bottom: 1rem; border-bottom: 1px solid var(--line); }
.course-v3-tracks button { padding: 0.9rem 1.1rem; border: 0; border-bottom: 3px solid transparent; background: transparent; color: var(--muted); font: inherit; font-size: 0.92rem; font-weight: 760; cursor: pointer; }
.course-v3-tracks button.active { color: var(--blue); border-color: var(--blue); }
.course-v3-tracks button:focus-visible, .course-v3-steps button:focus-visible, .course-v3-complete:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.course-v3-content { scroll-margin-top: 1rem; }
.course-v3-content > .eyebrow { line-height: 1.5; }
.course-v3-content h2 { max-width: 46rem; }
.course-v3-steps { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 0.4rem; margin: 1.5rem 0 1.8rem; scroll-margin-top: 1rem; }
.course-v3-steps button { display: flex; align-items: center; gap: 0.55rem; min-height: 3.25rem; padding: 0.5rem 0.65rem; border: 1px solid var(--line); border-radius: 0.45rem; background: var(--surface-2); color: var(--ink-2); text-align: left; font: inherit; font-size: 0.81rem; font-weight: 750; cursor: pointer; }
.course-v3-steps button.active { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.course-v3-steps button span { display: grid; place-items: center; flex: none; width: 1.5rem; height: 1.5rem; border-radius: 50%; background: var(--surface); font-size: 0.75rem; }
.course-v3-stage { min-height: 16rem; font-size: 1rem; line-height: 1.72; }
.course-v3-stage h3 { margin: 1.3rem 0 0.5rem; font-size: 1.08rem; }
.course-v3-stage p { max-width: 62rem; font-size: 1rem; }
.course-v3-lead { padding: 1rem 1.2rem; border-left: 3px solid var(--blue); background: var(--surface-2); }
.course-v3-lead h3 { margin: 0.35rem 0 0.5rem; font-size: 1.28rem; }
.course-v3-lead p { margin: 0.4rem 0; }
.course-v3-terms { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0.65rem; margin: 0.75rem 0 1.4rem; }
.course-v3-terms > div { padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: 0.45rem; background: var(--surface-2); }
.course-v3-terms strong { color: var(--ink); }
.course-v3-terms p { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.9rem; line-height: 1.55; }
.course-v3-precision, .course-v3-task { margin-top: 1.35rem; padding: 1rem 1.2rem; border-radius: 0.5rem; background: var(--surface-2); }
.course-v3-precision h3, .course-v3-task h3 { margin-top: 0; }
.course-v3-calculation { display: grid; gap: 0.7rem; max-width: 56rem; padding-left: 1.4rem; }
.course-v3-calculation li { padding-left: 0.3rem; }
.course-v3-calculation li::marker { color: var(--blue); font-weight: 800; }
.course-v3-visual { margin: 1rem 0 1.5rem; overflow: hidden; border: 1px solid var(--line); border-radius: 0.8rem; background: var(--surface); }
.course-v3-visual-head { padding: 1.3rem 1.5rem; color: #f7f1e7; background: #10263b; }
.course-v3-visual-head span { color: #7fb4ff; font-size: 0.78rem; font-weight: 800; letter-spacing: .09em; }
.course-v3-visual-head h3 { margin: .45rem 0 !important; color: #f7f1e7; font-size: 1.4rem; }
.course-v3-visual-head p { margin: 0; color: #c9d6e3; }
.course-v3-timeline, .course-v3-bridge { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .7rem; padding: 1rem; }
.course-v3-timeline > div, .course-v3-bridge > div { position: relative; padding: 1rem; border: 1px solid var(--line); border-radius: .55rem; background: var(--surface-2); }
.course-v3-timeline > div:not(:last-child)::after { content: '→'; position: absolute; right: -.62rem; top: 50%; z-index: 1; color: var(--blue); font-size: 1.2rem; font-weight: 900; }
.course-v3-timeline small, .course-v3-bridge small { display: block; color: var(--blue); font-size: .75rem; font-weight: 800; letter-spacing: .05em; }
.course-v3-timeline strong, .course-v3-bridge strong { display: block; margin-top: .5rem; color: var(--ink); font-size: 1rem; line-height: 1.35; }
.course-v3-bridge strong { font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.course-v3-timeline p, .course-v3-bridge p { margin: .5rem 0 0; color: var(--ink-2); font-size: .9rem; line-height: 1.55; }
.course-v3-visual-result { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: 1rem 1.4rem; border-top: 1px solid var(--line); background: var(--blue-soft); }
.course-v3-visual-result span { color: var(--ink-2); font-weight: 700; }
.course-v3-visual-result strong { color: var(--blue); font-variant-numeric: tabular-nums; }
.course-v3-visual-note { margin: 0 !important; padding: 0 1.4rem 1rem; background: var(--blue-soft); font-size: .9rem !important; }
@media (max-width: 760px) { .course-v3-timeline, .course-v3-bridge { grid-template-columns: 1fr; } .course-v3-timeline > div:not(:last-child)::after { content: '↓'; right: auto; left: 50%; top: auto; bottom: -.72rem; } .course-v3-visual-result { display: grid; } }
.course-v3-stage details { max-width: 56rem; padding: 0.75rem 1rem; border: 1px solid var(--line); border-radius: 0.45rem; }
.course-v3-stage summary { color: var(--blue); font-weight: 750; cursor: pointer; }
.course-v3-trap { margin-top: 1rem; padding: 0.85rem 1rem; border-left: 3px solid var(--amber); background: var(--surface-2); }
.course-v3-recap { margin-top: 1.3rem; font-weight: 730; color: var(--ink) !important; }
.course-v3-footer { display: flex; justify-content: space-between; gap: 0.6rem; margin-top: 2rem; }
.course-v3-footer button:disabled { opacity: 0.4; cursor: not-allowed; }
.course-v3-complete { margin-top: 1rem; padding: 0.7rem 0; border: 0; background: transparent; color: var(--blue); font: inherit; font-size: 0.86rem; font-weight: 760; cursor: pointer; }
.course-v3-source, .course-v3-source-status { margin-top: 1rem; font-size: 0.83rem !important; line-height: 1.55; }
.course-v3-source a { color: var(--blue); }
.course-v3-video { margin-top: 1.4rem; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 0.55rem; background: #101827; }
.course-v3-video iframe { display: block; width: 100%; height: 100%; border: 0; }
.course-v3-links { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 1rem; }
.course-v3-loading { padding: 1.4rem; }
.course-source-content { overflow: visible; }
.course-source-subtitle { max-width: 55rem; color: var(--ink-2); font-size: 1.08rem !important; line-height: 1.55; }
.course-source-note { max-width: 57rem; padding: .9rem 1rem; border-left: 3px solid var(--blue); color: var(--ink-2); background: var(--surface-2); font-size: .88rem !important; line-height: 1.55; }
.course-source-chapters { position: relative; margin-top: 2rem; border-top: 1px solid var(--line); }
.course-source-chapter { display: grid; grid-template-columns: 6.2rem minmax(0,1fr); gap: 1rem; padding: 1.45rem 0; border-bottom: 1px solid var(--line); }
.course-source-chapter h3 { margin: 0 0 .45rem; color: var(--ink); font-size: 1.2rem; line-height: 1.3; }
.course-source-chapter p { max-width: 58rem; margin: 0; color: var(--ink-2); font-size: 1rem; line-height: 1.65; }
.course-source-time a { display: inline-block; padding: .35rem .55rem; border-radius: .3rem; color: var(--blue); background: var(--blue-soft); font-size: .82rem; font-weight: 800; font-variant-numeric: tabular-nums; text-decoration: none; }
.course-source-time a:hover, .course-source-time a:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.course-source-example { max-width: 58rem; margin-top: 1rem; padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: .55rem; background: var(--surface-2); }
.course-source-example small { color: var(--blue); font-size: .75rem; font-weight: 800; letter-spacing: .07em; }
.course-source-example ul { margin: .55rem 0 0; padding-left: 1.2rem; color: var(--ink-2); font-size: .95rem; line-height: 1.65; }
.course-source-example li + li { margin-top: .35rem; }
.course-source-practice { margin-top: 2rem; padding: 1.3rem 1.4rem; border-radius: .65rem; color: #f7f1e7; background: #10263b; }
.course-source-practice h3 { margin: .45rem 0; color: #f7f1e7; font-size: 1.22rem; }
.course-source-practice p { color: #dce7f2; font-size: 1rem; line-height: 1.6; }
.course-source-practice details { margin-top: 1rem; border-color: #345879; }
.course-source-practice summary { color: #8db9ff; cursor: pointer; font-weight: 750; }
@media (max-width: 620px) { .course-source-chapter { grid-template-columns: 1fr; gap: .5rem; } .course-source-time a { font-size: .85rem; } }
@media (max-width: 900px) { .course-v3-steps { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width: 620px) { .course-v3-tracks { overflow-x: auto; } .course-v3-tracks button { flex: none; } .course-v3-terms { grid-template-columns: 1fr; } .course-v3-content { padding: 1.1rem; scroll-margin-top: 7rem; } .course-v3-steps { scroll-margin-top: 7rem; } .course-v3-footer { flex-direction: column; } .course-v3-footer button { width: 100%; } }

/* The learning workspace has its own blue hierarchy in both colour schemes. */
.dashboard-shell.learning-view {
  --paper: #edf4ff;
  --paper-2: #e3eefc;
  --surface: #fff;
  --surface-2: #eaf2fd;
  --ink: #102846;
  --ink-2: #284967;
  --muted: #49627b;
  --line: rgba(25, 67, 117, .16);
  --line-strong: rgba(25, 67, 117, .28);
  --blue: #124ca5;
  --blue-2: #0c3f91;
  --blue-soft: #dceaff;
  --shadow-soft: 0 16px 38px rgba(25, 65, 119, .09);
  background: var(--paper);
}
html[data-theme="dark"] .dashboard-shell.learning-view {
  --paper: #0d1c2e;
  --paper-2: #132b43;
  --surface: #18334f;
  --surface-2: #22425f;
  --ink: #f0f6ff;
  --ink-2: #e2eefb;
  --muted: #cfe0f1;
  --line: rgba(190, 219, 250, .17);
  --line-strong: rgba(190, 219, 250, .31);
  --blue: #d2e9ff;
  --blue-2: #ebf5ff;
  --blue-soft: #254869;
  --shadow-soft: 0 18px 42px rgba(6, 23, 44, .2);
  background: var(--paper);
}
.learning-view .app-sidebar { background: var(--paper-2); }
.learning-view .dashboard-topbar { background: color-mix(in srgb, var(--surface) 86%, var(--paper)); }
.learning-view .workspace-panel { padding-top: 1.6rem; }
.learning-view .course-page-heading {
  position: relative;
  overflow: hidden;
  max-width: none;
  margin: 0 0 1rem;
  padding: clamp(1.6rem, 3.5vw, 2.8rem);
  border: 1px solid rgba(127, 179, 244, .45);
  border-radius: 1.35rem;
  background: linear-gradient(122deg, #173e72 0%, #235caa 60%, #326bb4 100%);
  box-shadow: 0 22px 50px rgba(20, 66, 132, .18);
  color: #f5f9ff;
}
html[data-theme="dark"] .learning-view .course-page-heading {
  background: linear-gradient(122deg, #1d426d 0%, #29588b 60%, #2e6298 100%);
  box-shadow: 0 20px 48px rgba(6, 23, 44, .2);
}
.learning-view .course-page-heading::after {
  content: "";
  position: absolute;
  width: 23rem;
  aspect-ratio: 1;
  right: -8rem;
  top: -12rem;
  border: 1px solid rgba(235, 246, 255, .23);
  border-radius: 50%;
  box-shadow: 0 0 0 5rem rgba(220, 238, 255, .045), 0 0 0 10rem rgba(220, 238, 255, .035);
  pointer-events: none;
}
.learning-view .course-page-heading > * { position: relative; z-index: 1; }
.learning-view .course-page-heading > span { color: #f0f7ff; font-size: .72rem; }
.learning-view .course-page-heading h1 { max-width: 46rem; margin-top: .65rem; color: #f5f9ff; font-size: clamp(2.3rem, 4vw, 3.65rem); line-height: 1.04; }
.learning-view .course-page-heading p { max-width: 46rem; color: #f0f7ff; font-size: 1rem; }
.learning-view .course-overall { max-width: 45rem; color: #f5f9ff; }
.learning-view .course-overall .app-progress { height: .52rem; background: rgba(237, 247, 255, .24); }
.learning-view .course-overall .app-progress i { background: #9acbff; }
.learning-view .course-v3-archive { color: #f0f7ff !important; }
.learning-view .course-v3-tracks {
  gap: .4rem;
  width: fit-content;
  max-width: 100%;
  margin: 0 0 1.2rem;
  padding: .36rem;
  border: 1px solid var(--line);
  border-radius: .85rem;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}
.learning-view .course-v3-tracks button { border: 0; border-radius: .55rem; padding: .72rem 1.15rem; color: var(--ink-2); }
.learning-view .course-v3-tracks button.active { background: var(--blue-soft); color: var(--ink); }
.learning-view .course-v3-layout { grid-template-columns: minmax(15.5rem, .34fr) minmax(0, 1fr); gap: clamp(1rem, 2.4vw, 1.65rem); }
.learning-view .course-module-list { gap: .65rem; }
.learning-view .module-picker { position: relative; overflow: hidden; padding: 1.05rem 1.15rem; border-radius: .8rem; background: var(--surface); transition: transform 160ms ease, border-color 160ms ease, background 160ms ease; }
.learning-view .module-picker:hover { transform: translateX(3px); border-color: var(--line-strong); }
.learning-view .module-picker.selected { border-color: var(--blue); background: var(--blue-soft); box-shadow: inset 3px 0 0 var(--blue); }
.learning-view .module-picker small { color: var(--blue); font-size: .68rem; }
.learning-view .module-picker strong { font-size: .98rem; }
.learning-view .module-picker span { font-size: .78rem; }
.learning-view .course-head { min-height: 10rem; border-radius: 1.1rem; background: linear-gradient(115deg, #1b467d, #2868ad); color: #f4f9ff; }
.learning-view .course-head .eyebrow { color: #f0f7ff; }
.learning-view .course-head h2 { color: #f4f9ff; font-size: clamp(1.6rem, 2.7vw, 2.25rem); }
.learning-view .course-head p { color: #deecfb; font-size: .95rem; }
html[data-theme="dark"] .learning-view .course-head { background: linear-gradient(115deg, #21476e, #2b5f96); }
.learning-view .lesson-row { border-radius: .65rem; background: var(--surface); }
.learning-view .lesson-row.selected { background: var(--blue-soft); border-color: var(--blue); }
.learning-view .lesson-content { margin-top: 1.2rem; padding: clamp(1.3rem, 3vw, 2.3rem); border-radius: 1.15rem; }
.learning-view .course-v3-content > h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); line-height: 1.15; }
.learning-view .course-v3-steps { gap: .6rem; margin: 1.8rem 0 2rem; }
.learning-view .course-v3-steps button { min-height: 3.7rem; border-radius: .7rem; background: var(--surface-2); }
.learning-view .course-v3-steps button.active { background: var(--blue-soft); border-color: var(--blue); color: var(--ink); box-shadow: inset 0 -3px 0 var(--blue); }
.learning-view .course-v3-steps button span { background: var(--surface); color: var(--ink); }
.learning-view .course-v3-lead { padding: 1.35rem 1.5rem; border: 0; border-radius: .85rem; background: linear-gradient(120deg, var(--blue-soft), var(--surface-2)); }
.learning-view .course-v3-lead h3 { font-size: clamp(1.35rem, 2.3vw, 1.9rem); line-height: 1.25; }
.learning-view .course-v3-terms { gap: .8rem; }
.learning-view .course-v3-terms > div { padding: 1.1rem; border-radius: .7rem; }
.learning-view .course-v3-terms > div:nth-child(3n+1) { background: var(--blue-soft); }
.learning-view .course-v3-precision { border-left: 3px solid var(--blue); background: var(--surface-2); }
.learning-view .course-v3-task { border: 1px solid var(--line); background: var(--blue-soft); }
.learning-view .course-v3-trap { border-radius: .5rem; }
.learning-view .course-v3-visual { border-radius: .95rem; }
.learning-view .course-v3-visual-head { background: linear-gradient(115deg, #23558f, #3176b5); }
.learning-view .course-v3-visual-head span, .learning-view .course-v3-visual-head p { color: #fff; }
.learning-view .course-v3-timeline > div, .learning-view .course-v3-bridge > div { border-radius: .75rem; }
.learning-view .course-source-content { margin-top: 0; }
.learning-view .course-source-note { border-radius: .55rem; background: var(--blue-soft); }
.learning-view .course-source-chapters { border-top: 0; }
.learning-view .course-source-chapter { grid-template-columns: 5.6rem minmax(0, 1fr); gap: 1.35rem; padding: 1.4rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface-2); }
.learning-view .course-source-chapter + .course-source-chapter { margin-top: .7rem; }
.learning-view .course-source-chapter:nth-child(even) { background: var(--surface); }
.learning-view .course-source-time a { border-radius: .48rem; background: var(--blue-soft); color: var(--ink); }
.learning-view .course-source-example { border-left: 3px solid var(--blue); border-radius: .6rem; background: var(--blue-soft); }
.learning-view .course-source-practice { border: 1px solid var(--line-strong); border-radius: .9rem; background: linear-gradient(120deg, #25548b, #3574ad); }
.learning-view .course-source-practice h3, .learning-view .course-source-practice p { color: #f3f8ff; }
.learning-view .course-source-practice details { border-color: rgba(233, 245, 255, .4); }
.learning-view .course-source-practice summary { color: #d9ecff; }
.learning-view .button-primary { background: #1b4f9f; color: #fff; }
.learning-view .button-primary:hover { background: #123f84; }
html[data-theme="dark"] .learning-view .button-primary { background: #2757aa; color: #fff; }
html[data-theme="dark"] .learning-view .button-primary:hover { background: #1d498f; }
.learning-view :is(button, a, input, summary):focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
@media (max-width: 760px) {
  .learning-view .course-v3-layout { grid-template-columns: 1fr; }
  .learning-view .course-source-chapter { grid-template-columns: 1fr; gap: .65rem; }
  .learning-view .course-page-heading::after { width: 16rem; right: -10rem; top: -8rem; }
}
@media (max-width: 620px) {
  .learning-view .workspace-panel { padding-top: 1rem; }
  .learning-view .course-page-heading { padding: 1.5rem 1.2rem; border-radius: 1rem; }
  .learning-view .course-page-heading h1 { font-size: clamp(2rem, 10vw, 2.7rem); }
  .learning-view .course-overall .app-progress { flex: none; height: .52rem; }
  .learning-view .course-v3-tracks { display: flex; width: 100%; }
  .learning-view .course-v3-tracks button { flex: 1; white-space: nowrap; padding: .72rem .6rem; font-size: .82rem; }
  .learning-view .course-v3-content { padding: 1.2rem; }
  .learning-view .course-v3-steps button { min-height: 3.25rem; }
  .learning-view .course-source-chapter { padding: 1rem; }
}

/* One page scroll, a horizontal workspace navigation and a wide reading surface. */
.language-toggle { display: inline-flex; align-items: center; padding: .22rem; gap: .2rem; border: 1px solid var(--line-strong); border-radius: 2rem; background: var(--surface); color: var(--muted); cursor: pointer; font: inherit; font-size: .78rem; font-weight: 750; }
.language-toggle span { padding: .35rem .48rem; border-radius: 2rem; transition: background .18s ease; }
.language-toggle[data-language="de"] [data-language-de],.language-toggle[data-language="en"] [data-language-en] { background: var(--blue); color: #fff; }
.language-toggle:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.workshop-guide { margin-top: 2rem; padding: clamp(1rem,3vw,2rem); border: 1px solid var(--line-strong); border-radius: 1rem; background: var(--surface-2); }
.workshop-guide img { display: block; width: 100%; height: auto; border-radius: .6rem; border: 1px solid var(--line); margin: 1rem 0; }
.workshop-guide section { margin-top: 2rem; }
.dashboard-shell { display: block; }
.dashboard-shell .app-sidebar { position: sticky; top: 0; z-index: 40; height: auto; min-height: 4.6rem; display: flex; flex-direction: row; align-items: center; gap: 2rem; padding: .75rem max(1.5rem, calc((100vw - 1600px)/2)); border-right: 0; border-bottom: 1px solid var(--line); background: color-mix(in srgb,var(--paper-2) 94%,transparent); backdrop-filter: blur(20px); overflow: visible; }
.dashboard-shell .app-logo { margin: 0; flex: none; }
.dashboard-shell .app-logo .brand-word { display: inline; font-size: 1.22rem; }
.dashboard-shell .app-nav-label { display: none; }
.dashboard-shell .app-nav { display: flex; flex: 1; gap: .4rem; }
.dashboard-shell .app-nav button { width: auto; min-width: auto; padding: .7rem 1rem; justify-content: center; font-size: .9rem; border: 1px solid transparent; }
.dashboard-shell .app-nav button.active { border-color: var(--line-strong); box-shadow: inset 0 -2px 0 var(--blue); }
.dashboard-shell .app-sidebar-bottom { display: flex; margin: 0; }
.dashboard-shell .app-sidebar-bottom button { font-size: .85rem; white-space: nowrap; }
.dashboard-topbar { min-height: 4.3rem; padding-inline: max(1.5rem, calc((100vw - 1600px)/2)); background: var(--paper); }
.dashboard-content { width: min(1600px,calc(100% - 3rem)); padding-block: 2rem; }
.learning-view .course-page-heading { padding: 1.6rem 2rem; border-radius: 1rem; }
.learning-view .course-page-heading h1 { max-width: none; font-size: clamp(2rem,3vw,2.9rem); }
.learning-view .course-page-heading p { max-width: 75ch; }
.learning-view .course-v3-layout { grid-template-columns: minmax(0,1fr) 16rem; gap: 1.6rem; }
.learning-view .course-nav-wrap { grid-column: 2; grid-row: 1; position: static; }
.learning-view .course-v3-layout > :is(.workspace-detail,article) { grid-column: 1; grid-row: 1; }
.learning-view .course-module-list { max-height: none; overflow: visible; padding: 0; scrollbar-gutter: auto; }
.learning-view .module-picker { padding: .9rem 1rem; border-radius: .65rem; }
.learning-view .module-picker:hover { transform: translateY(-2px); }
.learning-view .course-head { min-height: 0; padding: 1.25rem 1.7rem; }
.learning-view .lesson-list { display: flex; flex-wrap: wrap; }
.learning-view .lesson-row { flex: 1 1 16rem; grid-template-columns: 1.5rem 1fr; min-height: 3.2rem; }
.learning-view .lesson-row small { display: none; }
.learning-view .course-v3-content { padding: clamp(1.5rem,3vw,3rem); }
.learning-view .course-v3-content p { max-width: 82ch; font-size: 1rem; }
.learning-view .course-source-chapter { grid-template-columns: 2.5rem minmax(0,1fr); gap: 1rem; padding: 1.5rem; }
.course-chapter-number { color: var(--blue); font-size: .85rem; font-weight: 800; border-top: 2px solid var(--blue); padding-top: .6rem; }
.dcf-lesson-table { margin-block: 2rem; padding: 1.5rem; border: 1px solid var(--line-strong); border-radius: .9rem; background: var(--surface-2); }
.dcf-lesson-table h3 { margin: .5rem 0 1rem; }
.dcf-lesson-table table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.dcf-lesson-table th,.dcf-lesson-table td { padding: .8rem; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
.dcf-lesson-table th:first-child { text-align: left; }
.dcf-lesson-table tbody tr:last-child { background: var(--blue-soft); font-weight: 800; }
.dcf-summary-values { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .8rem; margin-top: 1.3rem; }
.dcf-summary-values > div { display: grid; gap: .5rem; padding: 1rem; background: var(--surface); border-radius: .6rem; border: 1px solid var(--line); }
.dcf-summary-values span { color: var(--muted); font-size: .85rem; }
.dcf-summary-values strong { font-size: 1.6rem; }
.course-method-sources { margin-block: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); }
.course-method-sources summary { cursor: pointer; }
.course-method-sources a { color: var(--blue); text-decoration: underline; }
.dcf-tutorial { margin-top: 2rem; }
@media(max-width:1000px) {
  .dashboard-shell .app-sidebar { gap: 1rem; }
  .dashboard-shell .app-sidebar-bottom { display: none; }
  .learning-view .course-v3-layout { grid-template-columns: minmax(0,1fr) 13rem; gap: 1rem; }
}
@media(max-width:760px) {
  .dashboard-shell .app-sidebar { flex-wrap: wrap; padding: .7rem 1rem; gap: .6rem; }
  .dashboard-shell .app-logo .brand-word { font-size: 1rem; }
  .dashboard-shell .app-nav { margin-left: auto; flex: none; }
  .dashboard-shell .app-nav button { padding: .6rem .65rem; font-size: .8rem; }
  .dashboard-shell .app-nav .nav-icon { display: none; }
  .dashboard-topbar { padding-inline: 1rem; }
  .dashboard-content { width: calc(100% - 1.5rem); }
  .learning-view .course-v3-layout { display: flex; flex-direction: column; }
  .learning-view .course-v3-layout > .workspace-detail { width: 100%; }
  .learning-view .course-nav-wrap { width: 100%; }
  .learning-view .course-module-list { display: none; }
  .learning-view .course-nav-wrap.is-open .course-module-list { display: grid; }
  .learning-view .course-nav-toggle { display: flex; }
  .learning-view .course-page-heading { padding: 1.4rem; }
  .learning-view .course-v3-content { padding: 1.2rem; width: 100%; }
  .learning-view .course-source-chapter { grid-template-columns: 1fr; padding: 1.2rem; }
  .course-chapter-number { width: 2.3rem; }
  .dcf-summary-values { grid-template-columns: 1fr; }
  .dcf-lesson-table { padding: 1rem; }
}
.rv-visual{margin:24px 0;padding:22px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,rgba(54,113,201,.12),rgba(54,113,201,.025));}
body:has([data-course-track="relative"][aria-selected="true"]) .course-module-list [data-course-module]:nth-child(-n+7),body:has([data-course-track="basics"][aria-selected="true"]) .course-module-list [data-course-module]:nth-child(n+8){display:none;}
.learning-view .course-v3-tracks{max-width:100%;overflow-x:auto;}
.learning-view .course-v3-tracks button{flex:0 0 auto;}
.rv-visual-header{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px;}
.rv-visual-header>span{font-size:11px;letter-spacing:.12em;font-weight:700;color:var(--blue);}
.rv-visual-header small,.rv-timing{color:var(--muted);font-size:12px;}
.rv-equation{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:18px 0;}
.rv-equation>div{padding:15px;border:1px solid var(--line);border-radius:12px;background:var(--surface);min-width:0;}
.rv-equation small{display:block;font-size:11px;color:var(--muted);line-height:1.5;}
.rv-equation strong{display:block;margin-top:9px;font-size:21px;font-variant-numeric:tabular-nums;}
.rv-table-scroll{max-width:100%;margin:18px 0;}
.rv-table{width:100%;min-width:460px;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums;}
.rv-table caption{text-align:left;font-size:12px;color:var(--muted);margin-bottom:12px;line-height:1.6;}
.rv-table th,.rv-table td{padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;text-align:right;}
.rv-table th:first-child{text-align:left;}
.rv-table thead{background:rgba(56,108,193,.14);}
.rv-table tbody tr:hover{background:rgba(56,108,193,.08);}
.rv-table tbody td:last-child{font-weight:700;}
.rv-ranges{margin:24px 0 0;padding-top:20px;border-top:1px solid var(--line);}
.rv-ranges figcaption{font-weight:700;font-size:13px;}
.rv-range-axis{display:flex;justify-content:space-between;margin:20px 112px 9px 48px;font-size:11px;color:var(--muted);}
.rv-range-row{display:grid;grid-template-columns:38px minmax(0,1fr) 102px;gap:10px;align-items:center;margin:16px 0;font-size:12px;}
.rv-range-row small{text-align:right;font-variant-numeric:tabular-nums;}
.rv-range-track{position:relative;height:24px;background:rgba(83,121,173,.1);border-radius:6px;}
.rv-range-track span{position:absolute;top:4px;height:16px;border-radius:4px;background:#3977ce;}
.rv-range-track i{position:absolute;top:0;width:3px;height:24px;background:var(--ink);transform:translateX(-1px);border-radius:2px;}
.rv-range-row:nth-of-type(3) .rv-range-track span{background:#258e96;}
.rv-ranges p{font-size:12px;color:var(--muted);margin-bottom:0;}
@media(max-width:600px){.rv-visual{padding:15px;margin:18px 0;}.rv-equation{grid-template-columns:repeat(2,minmax(0,1fr));}.rv-equation strong{font-size:18px;}.rv-range-row{grid-template-columns:32px minmax(0,1fr) 78px;gap:7px;font-size:11px;}.rv-range-axis{margin-left:39px;margin-right:85px;}}