.lesson-breadcrumb{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;display:flex}.lesson-breadcrumb a{color:var(--color-accent-700);align-items:center;gap:7px;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex}.lesson-breadcrumb{white-space:nowrap;flex-wrap:nowrap;justify-content:flex-start;gap:8px;min-width:0;font-size:13px}.lesson-breadcrumb a{font-size:inherit;color:color-mix(in srgb, var(--color-text) 62%, transparent);gap:0;font-weight:600}.lesson-breadcrumb a:hover{color:var(--color-accent-700)}.lesson-breadcrumb-sep{opacity:.35}.lesson-breadcrumb-current{min-width:0;color:var(--color-accent-700);text-overflow:ellipsis;font-weight:700;overflow:hidden}.lesson-breadcrumb a svg{width:15px;height:15px}.lesson-hero{gap:var(--leading) 40px;padding:calc(.6 * var(--leading)) 0 calc(1.2 * var(--leading));grid-template-columns:minmax(0,1fr) minmax(0,460px);align-items:start;display:grid}.lesson-hero h1{color:var(--color-text,#201e1d);margin:0;font-size:clamp(24px,3.6vw,42px);line-height:1.18}.lesson-lead{color:var(--color-text,#201e1d);opacity:.95;max-width:58ch;margin:14px 0 0;font-size:16px;line-height:1.68}.lesson-meta{flex-wrap:wrap;gap:clamp(12px,2.2vw,24px);margin-top:16px;display:flex}.lesson-meta span{color:var(--color-text,#201e1d);opacity:.9;align-items:center;gap:7px;font-size:14px;font-weight:600;display:inline-flex}.lesson-meta svg{width:16px;height:16px;color:var(--color-accent-700)}.lesson-hero-side{flex-direction:column;gap:12px;width:100%;min-width:0;display:flex}.lesson-hero-art{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:var(--color-surface,#ebddc5);overflow:hidden}.lesson-hero-art img{object-fit:cover;aspect-ratio:3/2;width:100%;height:100%;display:block}.lesson-goals{border-top:var(--border-width) solid var(--color-divider);border-bottom:var(--border-width) solid var(--color-divider);padding:var(--leading) 0;margin-bottom:calc(.4 * var(--leading))}.lesson-goals-head{letter-spacing:.08em;text-transform:uppercase;color:var(--color-accent-700,#8c491a);margin-bottom:14px;font-size:12px;font-weight:700;display:block}.lesson-goals ul{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.lesson-goals li{color:var(--color-text,#201e1d);gap:9px;font-size:14.5px;line-height:1.6;display:flex}.lesson-goals li svg{width:16px;height:16px;color:var(--color-accent-2-700);flex:none;margin-top:3px}.lesson-shell{padding:calc(.3 * var(--leading)) 0 calc(3 * var(--leading));grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:0 56px;display:grid}.lesson-content,.lesson-main{min-width:0}.lesson-side{flex-direction:column;gap:24px;display:flex;position:sticky;top:76px}.lesson-read-progress{flex-direction:column;gap:6px;display:flex}.lesson-read-progress span{color:var(--color-accent-700);font-size:12px;font-weight:700}.lesson-read-progress div{border-radius:var(--radius-pill);background:var(--color-neutral-200);height:4px;overflow:hidden}.lesson-read-progress i{background:var(--color-accent-700);height:100%;transition:width .15s linear;display:block}.lesson-side>ul{border-top:var(--border-width) solid var(--color-divider);border-bottom:var(--border-width) solid var(--color-divider);flex-direction:column;gap:5px;margin:0;padding:18px 0;list-style:none;display:flex}.lesson-side a{color:var(--color-text);opacity:.8;padding:7px 0;font-size:15px;line-height:1.45;text-decoration:none;display:block}.lesson-side a:hover,.lesson-side a.is-current{color:var(--color-accent-700);opacity:1;font-weight:700}.lesson-tip{background:var(--color-accent-2-100);border-radius:var(--radius-lg);padding:26px 24px}.lesson-tip span{letter-spacing:.08em;text-transform:uppercase;color:var(--color-accent-2-800);margin-bottom:8px;font-size:12px;font-weight:700;display:block}.lesson-tip h4{color:var(--color-accent-2-800);margin:0 0 8px;font-size:18px;font-weight:700}.lesson-tip p{color:var(--color-accent-2-800);opacity:.98;margin:0;font-size:15px;line-height:1.65}.lesson-section{padding:calc(1.7 * var(--leading)) 0;border-bottom:var(--border-width) solid var(--color-divider)}.lesson-section:last-of-type{border-bottom:none}.lesson-kicker{font-size:13px;line-height:var(--half);letter-spacing:.08em;text-transform:uppercase;color:var(--color-accent-700);margin-bottom:calc(var(--leading) - var(--half));font-weight:700;display:block}.lesson-section h2{text-wrap:wrap;margin:0 0 calc(.7 * var(--leading));max-width:30ch;color:var(--color-text,#201e1d);font-size:clamp(22px,2.6vw,28px);line-height:1.3}.lesson-subheading{color:var(--color-text,#201e1d);margin:1.75rem 0 .625rem;font-size:1.1875rem;font-weight:700;line-height:1.4}.lesson-body{color:var(--color-text,#201e1d);opacity:.96;margin:0 0 calc(.8 * var(--leading));max-width:68ch;font-size:15.5px;line-height:1.7}.lesson-body:last-child{margin-bottom:0}.lesson-steps{margin:0 0 calc(.9 * var(--leading));flex-direction:column;gap:16px;max-width:68ch;padding:0;list-style:none;display:flex}.lesson-steps li{align-items:flex-start;gap:16px;display:flex}.lesson-step-marker{background:var(--color-accent-100);min-width:28px;height:28px;color:var(--color-accent-700);text-align:center;box-sizing:border-box;border-radius:999px;flex:none;justify-content:center;align-items:center;margin-top:1px;padding:0 8px;font-size:13px;font-weight:700;line-height:1;display:inline-flex}.lesson-step-body{flex-direction:column;gap:4px;display:flex}.lesson-step-body strong{color:var(--color-text,#201e1d);font-size:15px}.lesson-step-body span{color:var(--color-text,#201e1d);opacity:.95;font-size:14.5px;line-height:1.6}.lesson-term,.lesson-key-idea{max-width:68ch;margin:0 0 calc(.9 * var(--leading));border-radius:var(--radius-lg);padding:18px 22px}.lesson-term{background:var(--color-accent-100)}.lesson-label{color:var(--color-accent-800);margin-bottom:6px;font-size:16px;font-weight:700;line-height:1.35;display:block}.lesson-term p{color:var(--color-accent-800);opacity:.98;margin:0;font-size:15px;line-height:1.65}.lesson-key-idea{background:var(--color-accent-2-100);align-items:flex-start;gap:14px;display:flex}.lesson-key-idea svg{width:22px;height:22px;color:var(--color-accent-2-700);flex:none;margin-top:1px}.lesson-key-idea p{color:var(--color-accent-2-800);opacity:.98;margin:0;font-size:15px;line-height:1.65}.lesson-exchange,.lesson-price-cards,.lesson-participants,.lesson-tools{margin:0 0 calc(.9 * var(--leading));gap:18px;display:grid}.lesson-exchange{grid-template-columns:repeat(3,minmax(0,1fr))}.lesson-exchange article,.lesson-price-cards article,.lesson-participants article,.lesson-tools article{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:18px 20px}.lesson-exchange h4,.lesson-price-cards strong,.lesson-participants h4,.lesson-tools h4{color:var(--color-text,#201e1d);margin:0 0 6px;font-size:15px;line-height:1.4}.lesson-icon-heading,.lesson-note-head{align-items:center;gap:10px;min-width:0;margin-bottom:6px;display:flex}.lesson-icon-heading h4,.lesson-note-head h4{color:var(--color-text,#201e1d);margin:0}.lesson-price-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.lesson-participants{grid-template-columns:repeat(4,minmax(0,1fr))}.lesson-price-cards article{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-divider);box-shadow:var(--shadow-sm);flex-direction:column;gap:6px;padding:22px;display:flex}.lesson-price-cards strong{color:var(--color-text,#201e1d);margin:0;font-size:16px;font-weight:800;line-height:1.4}.lesson-price-cards p{color:var(--color-text,#201e1d);margin:0;font-size:14.5px;line-height:1.65}.lesson-price-cards span{color:var(--color-accent-2-700);margin-bottom:8px;font-size:12px;font-weight:700;display:block}.lesson-participants svg,.lesson-tools svg{width:22px;height:22px;color:var(--color-accent-700);margin-bottom:10px}.lesson-icon-heading svg{flex:none;margin-bottom:0}.lesson-table-wrap{-webkit-overflow-scrolling:touch;touch-action:pan-x;border-radius:var(--radius-lg);border:1px solid var(--color-divider);width:100%;max-width:100%;box-shadow:var(--shadow-sm);margin:0 0 calc(.9 * var(--leading));display:block;overflow-x:auto}.lesson-table-wrap:focus-visible{outline:var(--focus-ring);outline-offset:2px}.lesson-table{border-collapse:separate;border-spacing:0;background:var(--color-surface);width:100%;min-width:480px}.lesson-table th,.lesson-table td{text-align:left;border-bottom:var(--border-width) solid var(--color-divider);vertical-align:top;padding:14px 18px;font-size:14px}.lesson-table thead th{font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:16px}.lesson-table thead th:first-child,.lesson-table tbody th{white-space:nowrap;width:1%;min-width:110px;color:var(--color-text);font-weight:600}.lesson-table thead th:not(:first-child),.lesson-table tbody td{line-height:1.6}.lesson-table tr:last-child th,.lesson-table tr:last-child td{border-bottom:0}.lesson-myths{margin:0 0 calc(.9 * var(--leading));flex-direction:column;gap:14px;display:flex}.lesson-myths article{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);align-items:flex-start;gap:16px;padding:18px 20px;display:flex}.lesson-myths article>div{flex:1;min-width:0}.lesson-myth-tag{border-radius:var(--radius-pill);background:var(--color-accent-100);color:var(--color-accent-800);flex:none;padding:5px 12px;font-size:12px;font-weight:700}.lesson-myths h4{width:100%;color:var(--color-text,#201e1d);margin:0 0 6px;font-size:15px}.lesson-myths p{color:var(--color-text,#201e1d);opacity:.95;margin:0;font-size:14px;line-height:1.6}.lesson-notes{margin:0 0 calc(.9 * var(--leading));grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.lesson-notes article{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:18px 20px}.lesson-note-marker{color:var(--color-accent-700);flex:none;margin-bottom:0;font-size:12px;font-weight:700;display:inline-block}.lesson-notes h4{color:var(--color-text,#201e1d);margin:0 0 6px;font-size:15px}.lesson-notes p{color:var(--color-text,#201e1d);opacity:.95;margin:0;font-size:14px;line-height:1.6}.lesson-tip h4,.lesson-exchange h4,.lesson-participants h4,.lesson-tools h4,.lesson-myths h4,.lesson-notes h4,.lesson-lab h4,.lesson-widget h4,.lesson-quiz-q h4{text-wrap:wrap}.lesson-tools{grid-template-columns:repeat(3,minmax(0,1fr))}.lesson-figure{margin:0 0 calc(.9 * var(--leading));max-width:68ch}.lesson-figure img{border-radius:var(--radius-lg);width:100%;height:auto;box-shadow:var(--shadow-sm)}.lesson-figure figcaption{opacity:.7;margin-top:8px;font-size:12.5px;font-style:italic}.lesson-lab{border:1.5px solid var(--color-accent-2-300);border-radius:var(--radius-lg);background:var(--color-surface);margin:0 0 calc(.9 * var(--leading));max-width:68ch;box-shadow:var(--shadow-sm);padding:22px 24px}.lesson-lab-tag,.lesson-widget-tag{letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent-2-700);margin-bottom:8px;font-size:11px;font-weight:700;display:inline-block}.lesson-lab h4{margin:0 0 6px;font-size:16px}.lesson-lab>p{opacity:.82;margin:0 0 18px;font-size:13.5px;line-height:1.55}.lesson-lab-rows{flex-direction:column;gap:10px;margin-bottom:16px;display:flex}.lesson-lab-row{background:var(--color-bg);border-radius:10px;align-items:center;gap:14px;padding:10px 14px;display:flex}.lesson-lab-label{flex:none;width:40px;font-size:13.5px;font-weight:700}.lesson-lab-value{font-family:var(--font-heading);font-weight:var(--font-heading-weight);color:var(--color-accent-700);flex:none;width:66px;font-size:18px}.lesson-lab-row:nth-child(2) .lesson-lab-value{color:var(--color-accent-2-700)}.lesson-lab-btn{border-radius:var(--radius-pill);background:var(--color-accent-100);color:var(--color-accent-800);cursor:pointer;border:0;margin-left:auto;padding:8px 14px;font-size:13px;font-weight:700}.lesson-lab-btn:hover{background:var(--color-accent-200)}.lesson-lab-btn:disabled{opacity:.45;cursor:not-allowed}.lesson-lab-result{background:var(--color-neutral-100);border-radius:10px;margin-bottom:14px;padding:12px 14px;font-size:14px;font-weight:600}.lesson-lab-result.is-matched{background:var(--color-accent-2-100);color:var(--color-accent-2-800)}.lesson-risk-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:16px;display:grid}.lesson-risk-controls label{background:var(--color-bg);border-radius:10px;padding:12px 14px}.lesson-risk-controls label>span{justify-content:space-between;gap:10px;margin-bottom:8px;font-size:13px;font-weight:700;display:flex}.lesson-risk-controls label>span output{font-family:var(--font-heading);color:var(--color-accent-700)}.lesson-risk-controls label>div{align-items:center;gap:8px;display:flex}.lesson-risk-controls button{border:1px solid var(--color-divider);background:var(--color-surface);width:28px;height:28px;color:var(--color-text);cursor:pointer;border-radius:50%;font-weight:700}.lesson-risk-controls input[type=range]{accent-color:var(--color-accent);flex:1}.lesson-risk-controls small{opacity:.72;margin-top:8px;font-size:11.5px;line-height:1.45;display:block}.lesson-risk-results{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.lesson-risk-results article{background:var(--color-bg);border-radius:10px;padding:14px}.lesson-risk-results svg{width:20px;height:20px;color:var(--color-accent-700);margin-bottom:8px}.lesson-risk-results article:nth-child(2) svg{color:var(--color-accent-2-700)}.lesson-risk-results span{opacity:.75;font-size:12px;font-weight:700;display:block}.lesson-risk-results strong{font-family:var(--font-heading);font-weight:var(--font-heading-weight);color:var(--color-accent-700);margin:4px 0;font-size:20px;display:block}.lesson-risk-results article:nth-child(2) strong{color:var(--color-accent-2-700)}.lesson-risk-results p{opacity:.72;margin:0;font-size:11.5px;line-height:1.45}@media (max-width:700px){.lesson-risk-controls,.lesson-risk-results,.lesson-depth-layout{grid-template-columns:1fr}}.lesson-lab-reset{color:var(--color-accent-700);cursor:pointer;background:0 0;border:0;padding:0;font-size:13px;font-weight:700}.lesson-depth-choices{border:0;margin:0 0 18px;padding:0}.lesson-depth-choices legend{margin-bottom:8px;font-size:13px;font-weight:700}.lesson-depth-choices>div{flex-wrap:wrap;gap:8px;display:flex}.lesson-depth-choices button,.lesson-scenario-choices button{border:var(--border-width) solid var(--color-divider);background:var(--color-surface);color:var(--color-text);cursor:pointer}.lesson-depth-choices button{border-radius:var(--radius-pill);padding:8px 12px;font-size:13px;font-weight:700}.lesson-depth-choices button.is-selected,.lesson-scenario-choices button.is-selected{border-color:var(--color-accent-700);background:var(--color-accent-100);color:var(--color-accent-800)}:is(.lesson-depth-choices button:focus-visible,.lesson-scenario-choices button:focus-visible){box-shadow:0 0 0 3px var(--color-accent-100);outline:0}.lesson-depth-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;display:grid}.lesson-depth-book{border:var(--border-width) solid var(--color-divider);border-radius:var(--radius-md);overflow:hidden}.lesson-depth-row{border-bottom:var(--border-width) solid var(--color-divider);grid-template-columns:1fr auto;align-items:center;gap:12px;padding:10px 12px;font-size:13px;display:grid}.lesson-depth-row:last-child{border-bottom:0}.lesson-depth-head{background:color-mix(in srgb, var(--color-neutral-100) 75%, transparent);color:var(--color-muted);font-size:11.5px;font-weight:700}.lesson-depth-row.is-best{background:var(--color-accent-2-100)}.lesson-depth-row strong{color:var(--color-text,#201e1d);font-size:14.5px}.lesson-depth-row span:last-child{color:var(--color-accent-2-800);text-align:right;font-weight:700}.lesson-depth-result{background:var(--color-accent-100);border-radius:var(--radius-md);padding:16px}.lesson-depth-result>svg{width:22px;height:22px;color:var(--color-accent-700);margin-bottom:8px}.lesson-depth-result h5{color:var(--color-text,#201e1d);margin:0 0 5px;font-size:15px}.lesson-depth-result>p{color:var(--color-text,#201e1d);opacity:.95;margin:0;font-size:14px;line-height:1.6}.lesson-depth-result dl{gap:10px;margin:14px 0 0;display:grid}.lesson-depth-result dl div{justify-content:space-between;gap:12px;display:flex}.lesson-depth-result dt{color:var(--color-neutral-800,#453e34);font-size:13px;font-weight:600}.lesson-depth-result dd{text-align:right;color:var(--color-text,#201e1d);margin:0;font-size:13.5px;font-weight:700}.lesson-depth-result output{color:var(--color-accent-800);font-size:16px}.lesson-scenario-choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0 0 16px;display:grid}.lesson-scenario-choices button{border-radius:var(--radius-md);text-align:left;padding:14px}.lesson-scenario-choices button span,.lesson-scenario-choices button strong,.lesson-scenario-choices button small{display:block}.lesson-scenario-choices button span{color:var(--color-accent-700);margin-bottom:5px;font-size:12px;font-weight:700}.lesson-scenario-choices button strong{color:var(--color-text,#201e1d);font-size:14.5px;line-height:1.5}.lesson-scenario-choices button small{color:var(--color-text,#201e1d);opacity:.9;margin-top:6px;font-size:13px;line-height:1.55}.lesson-scenario-check{white-space:nowrap}.lesson-scenario-feedback{background:var(--color-accent-100);border-radius:var(--radius-md);align-items:flex-start;gap:10px;margin-top:16px;padding:16px;display:flex}.lesson-scenario-feedback.is-complete{background:var(--color-accent-2-100)}.lesson-scenario-feedback>svg{width:20px;height:20px;color:var(--color-accent-700);flex:none}.lesson-scenario-feedback.is-complete>svg{color:var(--color-accent-2-700)}.lesson-scenario-feedback strong{color:var(--color-text,#201e1d);font-size:14.5px;display:block}.lesson-widget{border:1.5px dashed var(--color-accent-2-400);border-radius:var(--radius-lg);background:color-mix(in srgb, var(--color-accent-2-100) 55%, transparent);margin:0 0 calc(.9 * var(--leading));align-items:flex-start;gap:14px;max-width:68ch;padding:20px 22px;display:flex}.lesson-widget>svg{width:22px;height:22px;color:var(--color-accent-2-700);flex:none;margin-top:2px}.lesson-widget h4{color:var(--color-text,#201e1d);margin:0 0 4px;font-size:15px}.lesson-widget p{color:var(--color-text,#201e1d);opacity:.95;margin:0;font-size:14px;line-height:1.6}.lesson-widget-note{max-width:68ch;color:var(--color-text,#201e1d);opacity:.92;margin:0 0 calc(.9 * var(--leading));font-size:14px;line-height:1.6}.lesson-quiz-summary{color:var(--color-accent-700);margin-bottom:var(--leading);font-weight:700}.lesson-quiz-q{margin:0 0 calc(1.2 * var(--leading))}.lesson-qnum{color:var(--color-accent-2-700);margin-bottom:6px;font-size:12px;font-weight:700;display:block}.lesson-quiz-q h4{max-width:56ch;color:var(--color-text,#201e1d);margin:0 0 12px;font-size:16px;line-height:1.5}.lesson-options{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.lesson-option{text-align:left;border:1px solid var(--color-divider);background:var(--color-surface);color:var(--color-text);cursor:pointer;border-radius:10px;padding:10px 14px;font-size:14.5px;line-height:1.55}.lesson-option.is-selected{border-color:var(--color-accent-700);background:var(--color-accent-100)}.lesson-option.is-correct{border-color:var(--color-accent-2-700);background:var(--color-accent-2-100);color:var(--color-accent-2-800)}.lesson-option.is-wrong{color:#b5473a;background:#f4e2de;border-color:#b5473a}.lesson-quiz-explain{color:var(--color-text,#201e1d);opacity:.95;max-width:56ch;margin:10px 0 0;font-size:14.5px;line-height:1.65}.lesson-mentor{padding:calc(1.7 * var(--leading)) 0;border-top:var(--border-width) solid var(--color-divider)}.lesson-mentor h2{text-wrap:wrap;margin:0 0 var(--leading);font-size:clamp(22px,2.6vw,28px);line-height:1.3}.lesson-chat{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px 22px}.lesson-chat-top{align-items:center;gap:10px;display:flex}.lesson-chat-logo{background:var(--color-accent-700);width:34px;height:34px;color:var(--color-bg);border-radius:50%;place-content:center;display:grid}.lesson-chat-logo svg{width:17px;height:17px}.lesson-chat-top>span:last-child{opacity:.7;margin-left:auto;font-size:12px}.lesson-chips{flex-wrap:wrap;gap:8px;margin:14px 0;display:flex}.lesson-chips button{border-radius:var(--radius-pill);border:1px solid var(--color-divider);background:var(--color-bg);color:var(--color-accent-700);cursor:pointer;padding:8px 13px;font-size:13px;font-weight:700}.lesson-chat-box{border-radius:var(--radius-pill);border:1px solid var(--color-divider);background:var(--color-bg);min-height:48px;color:var(--color-muted);justify-content:space-between;align-items:center;gap:14px;padding:10px 12px 10px 16px;display:flex}.lesson-mentor-intro{opacity:.85;max-width:58ch;margin:0 0 var(--leading);font-size:14.5px;line-height:1.6}.lesson-mentor-status{background:var(--color-accent-2-100);border-radius:var(--radius-lg);align-items:flex-start;gap:14px;padding:20px 22px;display:flex}.lesson-mentor-status>svg{width:22px;height:22px;color:var(--color-accent-2-700);flex:none;margin-top:2px}.lesson-mentor-status strong{color:var(--color-accent-2-800);margin-bottom:4px;font-size:14.5px;display:block}.lesson-mentor-status p{color:var(--color-accent-2-800);opacity:.9;margin:0;font-size:13.5px;line-height:1.55}.lesson-send{background:var(--color-accent-700);width:38px;height:38px;color:var(--color-bg);cursor:pointer;border:0;border-radius:50%;place-content:center;display:grid}.lesson-send svg{width:17px;height:17px}.lesson-nav-bar{padding:18px 0 calc(3 * var(--leading));flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:16px;display:flex;overflow:clip}.lesson-prev-link,.lesson-course-overview{white-space:nowrap;align-items:center;gap:7px;text-decoration:none;display:inline-flex}.lesson-prev-disabled{opacity:.45;cursor:not-allowed;pointer-events:none;align-items:center;gap:7px;display:inline-flex}.lesson-nav-bar .btn{white-space:nowrap;text-align:center;flex:none;gap:8px}.lesson-next-soon{opacity:.75;cursor:default}.lesson-next-locked{opacity:.6;cursor:not-allowed}.lesson-mira-float{z-index:40;background:var(--color-accent-700);width:52px;height:52px;color:var(--color-bg);box-shadow:var(--shadow-lg);cursor:pointer;border:0;border-radius:50%;place-content:center;display:grid;position:fixed;bottom:22px;right:22px}.lesson-mira-float svg{width:22px;height:22px}@media (max-width:960px){.lesson-goals ul{grid-template-columns:repeat(3,minmax(0,1fr))}.lesson-shell{grid-template-columns:1fr}.lesson-side{display:none}.lesson-price-cards,.lesson-participants{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:880px){.lesson-hero{grid-template-columns:1fr}.lesson-hero-side{max-width:460px}}@media (min-width:881px){.lesson-hero{align-items:center}}@media (max-width:720px){.lesson-exchange,.lesson-tools,.lesson-price-cards,.lesson-notes{grid-template-columns:1fr}}@media (max-width:520px){.lesson-nav-bar{flex-wrap:wrap;align-items:flex-start;gap:12px}.lesson-scenario-choices{grid-template-columns:1fr}}@media (max-width:640px){.lesson-goals ul{grid-template-columns:1fr;gap:10px}.lesson-breadcrumb{padding-block:14px;font-size:12.5px}.lesson-body{font-size:14.5px;line-height:1.65}html[lang=en] .lesson-body{font-size:15.5px}html[lang=en] .lesson-option{font-size:15px}html[lang=en] .lesson-quiz-explain,.lesson-term p,.lesson-key-idea p{font-size:14px}.lesson-myths article{flex-direction:column;gap:10px}.lesson-myth-tag{align-self:flex-start}.lesson-section{padding-block:calc(1.3 * var(--leading))}.lesson-section h2{max-width:none}}@media (max-width:520px){.lesson-track i{width:12px}}.lesson-hero-emoji{border-radius:var(--radius-lg,1rem);background:var(--color-surface,#ebddc5);border:1px solid var(--color-divider,#201e1d29);flex-direction:column;justify-content:center;align-items:center;gap:1rem;min-height:100%;padding:2rem 1.5rem;display:flex}.lesson-hero-emoji-grid{grid-template-columns:repeat(5,auto);gap:.75rem;margin:0;padding:0;list-style:none;display:grid}.lesson-hero-emoji-grid li{font-size:2.25rem;line-height:1}.lesson-hero-emoji-caption{letter-spacing:.14em;color:var(--color-neutral-700,#645c50);text-align:center;white-space:pre-line;font-size:.8125rem;font-weight:700}.lesson-nav-footer-note{text-align:center;max-width:42rem;color:var(--color-neutral-700,#645c50);margin:2.5rem auto 0;font-weight:600}.lesson-card-grid{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem;margin:1.5rem 0;display:grid}.lesson-card-grid-item{border-radius:var(--radius-lg,1rem);border:1px solid var(--color-divider,#201e1d29);background:var(--color-surface,#ebddc5);flex-direction:column;gap:.5rem;padding:1.25rem;display:flex}.lesson-card-grid-item.is-good{border-color:var(--color-accent-2-300,#ccdbb2);background:var(--color-accent-2-100,#f0fae1)}.lesson-card-grid-item.is-bad,.lesson-card-grid-item.is-risk{border-color:var(--color-error,#8a3b2a);background:var(--color-error-100,#f6e0da)}.lesson-card-badge{color:var(--color-accent-700,#8c491a);font-size:.8125rem;font-weight:700}.lesson-card-grid-item.is-good .lesson-card-badge{color:var(--color-accent-2-700,#56633f)}.lesson-card-grid-item.is-bad .lesson-card-badge,.lesson-card-grid-item.is-risk .lesson-card-badge{color:var(--color-error,#8a3b2a)}.lesson-card-grid-item h4,.lesson-card-grid-item p{color:var(--color-text,#201e1d);margin:0}.lesson-copy-button{border:1px solid var(--color-divider,#dcd3c4);background:var(--color-neutral-100,#f9f4ed);color:var(--color-accent-800,#643312);cursor:pointer;border-radius:.5rem;align-items:center;gap:.5rem;margin-top:.75rem;padding:.5rem 1rem;font-size:.875rem;font-weight:600;transition:all .15s;display:inline-flex}:is(.lesson-copy-button:hover,.lesson-copy-button:focus-visible){border-color:var(--color-accent,#c67139);background:var(--color-accent-100,#fff2eb);outline:2px solid var(--color-accent,#c67139);outline-offset:2px}.lesson-practice-links{padding:calc(1.7 * var(--leading)) 0;border-top:var(--border-width) solid var(--color-divider)}.lesson-practice-links h2{text-wrap:wrap;margin:0 0 var(--leading);font-size:clamp(22px,2.6vw,28px);line-height:1.3}.lesson-practice-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;display:grid}.lesson-practice-card{background:var(--color-surface);border:var(--border-width) solid var(--color-divider);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-direction:column;justify-content:space-between;gap:16px;padding:20px;transition:border-color .15s,box-shadow .15s;display:flex}.lesson-practice-card:hover{border-color:color-mix(in srgb, var(--color-accent-700) 40%, var(--color-divider));box-shadow:var(--shadow-md)}.lesson-practice-card-content h3{color:var(--color-text);margin:0 0 8px;font-size:17px;font-weight:700;line-height:1.35}.lesson-practice-card-content p{color:color-mix(in srgb, var(--color-text) 78%, transparent);margin:0;font-size:14px;line-height:1.5}.lesson-practice-card-cta{color:var(--color-accent-700);align-self:flex-start;align-items:center;gap:6px;font-size:14px;font-weight:600;text-decoration:none;transition:gap .15s;display:inline-flex}.lesson-practice-card-cta:hover{gap:10px;text-decoration:underline}.lesson-practice-card-cta svg{width:16px;height:16px}.mira-card{border:1px solid color-mix(in srgb, var(--color-accent-2-700) 20%, var(--color-divider));border-radius:var(--radius-lg);background:color-mix(in srgb, var(--color-accent-2-100) 55%, var(--color-surface));box-shadow:var(--shadow-sm);margin-top:18px;padding:18px}.mira-card-modal{box-shadow:none;background:0 0;border:0;border-radius:0;margin-top:0}.mira-identity{align-items:center;gap:10px;min-width:0;display:flex}.mira-identity .mira-mark{flex:none}.mira-identity>div{flex-direction:column;min-width:0;display:flex}.mira-identity strong{font-size:14.5px;line-height:1.2}.mira-identity span,.mira-identity small{opacity:.68;font-size:11.5px}.mira-identity small{white-space:nowrap;margin-left:auto}.mira-welcome{opacity:.82;margin:14px 0 0;font-size:13.5px;line-height:1.6}.mira-suggestions{flex-wrap:wrap;gap:8px;margin:14px 0 10px;display:flex}.mira-suggestions button,.mira-retry{border:1px solid var(--color-divider);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-text);font:inherit;cursor:pointer}.mira-suggestions button{padding:7px 11px;font-size:12px;line-height:1.3}.mira-suggestions button:hover,.mira-retry:hover{border-color:color-mix(in srgb, #4f55f5 45%, var(--color-divider))}.mira-composer{border:1px solid color-mix(in srgb, #4f55f5 26%, var(--color-divider));background:var(--color-surface);border-radius:16px;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:8px;min-height:88px;padding:8px;display:grid}.mira-composer textarea{resize:vertical;width:100%;min-height:70px;max-height:160px;color:var(--color-text);font:inherit;background:0 0;border:0;outline:0;padding:8px 9px;font-size:16px;line-height:1.5}.mira-composer textarea::placeholder{color:var(--color-muted)}.mira-composer>button{color:#fff;cursor:pointer;background:#4f55f5;border:0;border-radius:50%;place-items:center;width:40px;height:40px;display:grid}.mira-composer>button:disabled{opacity:.38;cursor:default}.mira-composer>button.is-stop{background:var(--color-accent-700)}.mira-conversation{overscroll-behavior:contain;flex-direction:column;gap:14px;max-height:420px;margin:16px 0;display:flex;overflow-y:auto}.mira-message-row{align-items:flex-start;gap:9px;display:flex}.mira-message-row-user{flex-direction:row-reverse}.mira-message-row .mira-mark,.mira-user-avatar{flex:none}.mira-user-avatar{color:var(--color-muted)}.mira-message{border-radius:14px;max-width:min(86%,560px);padding:10px 12px;font-size:13.5px;line-height:1.55}.mira-message-assistant{background:var(--color-surface);border:1px solid var(--color-divider)}.mira-message-user{color:#fff;background:#4f55f5}.mira-message-assistant>strong{color:#4f55f5;margin-bottom:5px;font-size:12px;display:block}.mira-message.refused{border-color:color-mix(in srgb, var(--color-accent-700) 40%, var(--color-divider))}.mira-rich-text p{margin:0 0 8px}.mira-rich-text p:last-child{margin-bottom:0}.mira-rich-text h4{text-wrap:wrap;margin:8px 0 5px;font-size:14px}.mira-rich-break{height:5px;display:block}.mira-rich-list{gap:7px;margin:4px 0;display:flex}.mira-rich-list i{opacity:.65;background:currentColor;border-radius:50%;flex:none;width:5px;height:5px;margin-top:8px}.mira-thinking{align-items:center;gap:4px;min-height:22px;display:flex}.mira-thinking span{background:#4f55f5;border-radius:50%;width:5px;height:5px;animation:1s ease-in-out infinite alternate mira-pulse}.mira-thinking span:nth-child(2){animation-delay:.12s}.mira-thinking span:nth-child(3){animation-delay:.24s}.mira-thinking em{opacity:.65;margin-left:5px;font-size:11.5px;font-style:normal}@keyframes mira-pulse{0%{opacity:.3;transform:translateY(1px)}to{opacity:1;transform:translateY(-1px)}}.mira-retry{margin-top:8px;padding:5px 9px;font-size:11.5px}.mira-error,.mira-checking{margin:9px 0 0;font-size:12px;line-height:1.45}.mira-error{color:var(--color-danger,#9b2f28)}.mira-checking{opacity:.68}.mira-access{border:1px solid color-mix(in srgb, #4f55f5 20%, var(--color-divider));border-radius:var(--radius-lg);background:color-mix(in srgb, #eef0ff 62%, var(--color-surface));justify-content:space-between;align-items:center;gap:18px;margin-top:18px;padding:18px 20px;display:flex}.mira-access>div:first-child{min-width:0}.mira-access>div:first-child>span{color:#4f55f5;letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px;font-size:11px;font-weight:700;display:block}.mira-access h3{text-wrap:wrap;margin:0 0 5px;font-size:17px}.mira-access p{opacity:.78;max-width:54ch;margin:0;font-size:13px;line-height:1.55}.mira-access-actions{flex:none;gap:8px;display:flex}.mira-access-actions .btn{white-space:nowrap}.mira-access-modal{margin-top:0}.mira-launcher{right:18px;bottom:max(18px, env(safe-area-inset-bottom));z-index:70;cursor:pointer;background:0 0;border:0;border-radius:19px;width:60px;height:60px;padding:0;transition:opacity .14s,transform .14s;position:fixed;box-shadow:0 14px 34px #2b308e47}.mira-launcher:hover{transform:translateY(-2px)rotate(-2deg)}.mira-launcher.is-reading{opacity:.58;transform-origin:100% 100%;transform:scale(.88)}.mira-launcher>span{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.mira-modal-backdrop{z-index:90;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#1c1b197a;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.mira-modal{background:var(--color-bg);border-radius:24px;width:min(620px,100%);max-height:min(760px,100dvh - 40px);overflow:hidden;box-shadow:0 24px 70px #1b1b1a47}.mira-modal-header{border-bottom:1px solid var(--color-divider);background:var(--color-surface);align-items:center;gap:12px;padding:16px 18px;display:flex}.mira-modal-header>div{min-width:0}.mira-modal-header h2{text-wrap:wrap;margin:0;font-size:19px}.mira-modal-header p{opacity:.65;margin:2px 0 0;font-size:12px}.mira-modal-header>button{width:36px;height:36px;color:var(--color-text);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;margin-left:auto;display:grid}.mira-modal-header>button:hover{background:var(--color-neutral-100)}.mira-modal-body{max-height:calc(100dvh - 150px);padding:16px;overflow-y:auto}@media (max-width:700px){.mira-card{padding:14px}.mira-identity small{display:none}.mira-welcome{font-size:13px}.mira-suggestions{flex-direction:column;align-items:stretch}.mira-suggestions button{text-align:left}.mira-access{flex-direction:column;align-items:stretch}.mira-access-actions{width:100%}.mira-access-actions .btn{flex:1}.mira-launcher{display:none}.mira-modal-backdrop{padding:10px 10px max(10px, env(safe-area-inset-bottom));place-items:end center}.mira-modal{border-radius:22px;width:100%;max-height:min(82dvh,720px)}.mira-modal-body{max-height:calc(82dvh - 78px);padding:12px}.mira-message{max-width:88%}}.lesson-lab-head{flex-direction:column;gap:.25rem;margin-bottom:1rem;display:flex}.lesson-lab-head span{color:var(--color-text,#201e1d);font-weight:800}.lesson-lab-head small{color:var(--color-neutral-700,#645c50)}.lesson-lab-kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--color-accent-700,#8c491a);font-size:.8125rem;font-weight:800}.lesson-lab-hint{color:var(--color-neutral-700,#645c50)}.leverage-comparison-cards{grid-template-columns:1fr;gap:1.25rem;margin:1.5rem 0;display:grid}@media (min-width:48rem){.leverage-comparison-cards{grid-template-columns:repeat(3,1fr)}}.leverage-card-item{border:1px solid var(--color-divider,#201e1d29);border-radius:var(--radius-lg,1rem);background:var(--color-surface,#ebddc5);flex-direction:column;padding:1.5rem 1.25rem;display:flex}.leverage-card-item.is-danger{border-color:var(--color-error,#8a3b2a);background:var(--color-error-100,#f6e0da)}.leverage-card-header{flex-direction:column;gap:.5rem;margin-bottom:1rem;display:flex}.leverage-tag{border:1px solid var(--color-divider,#dcd3c4);background:var(--color-neutral-100,#f9f4ed);color:var(--color-text,#201e1d);border-radius:999px;align-self:flex-start;padding:.25rem .75rem;font-size:.8125rem;font-weight:800}.leverage-tag.is-warning{background:var(--color-accent-100,#fff2eb);color:var(--color-accent-800,#643312);border-color:var(--color-accent-300,#ffc6a5)}.leverage-tag.is-danger{background:var(--color-error-100,#f6e0da);color:var(--color-error,#8a3b2a);border-color:var(--color-error,#8a3b2a)}.leverage-card-item h3{color:var(--color-text,#201e1d);margin:0;font-size:1.125rem;font-weight:800}.leverage-card-header small{color:var(--color-neutral-800,#3d372e);font-size:.875rem;line-height:1.5}.leverage-card-body{flex-direction:column;flex:1;gap:.5rem;margin:0 0 1rem;padding:0;list-style:none;display:flex}.leverage-card-body li{border-bottom:1px dashed color-mix(in srgb, var(--color-divider,#dcd3c4) 70%, transparent);color:var(--color-text,#201e1d);justify-content:space-between;align-items:center;gap:.75rem;padding:.375rem 0;font-size:.9375rem;display:flex}.leverage-card-body li:last-child{border-bottom:none}.is-gain{color:var(--color-accent-2-800,#3d472b);font-weight:700}.is-loss{color:var(--color-error,#8a3b2a);font-weight:700}.is-danger{color:var(--color-error,#8a3b2a);font-weight:800}.leverage-card-footer{border-top:1px solid var(--color-divider,#dcd3c4);color:var(--color-neutral-800,#3d372e);padding-top:.875rem;font-size:.875rem;font-weight:700;line-height:1.5}.leverage-card-footer.is-warning{color:var(--color-accent-800,#643312)}.leverage-card-footer.is-danger{color:var(--color-error,#8a3b2a)}.leverage-lab,.contract-lab{border:1px solid var(--color-divider,#201e1d29);border-radius:var(--radius-lg,1rem);background:var(--color-surface,#ebddc5);margin:1.5rem 0;padding:1.25rem}.leverage-lab.is-danger{border-color:var(--color-error,#8a3b2a)}.leverage-lab-controls,.contract-controls{gap:1rem;margin-bottom:1rem;display:grid}.leverage-lab-controls label,.contract-controls label{flex-direction:column;gap:.375rem;display:flex}.leverage-lab-controls label>span,.contract-controls label>span{color:var(--color-text,#201e1d);justify-content:space-between;align-items:center;font-size:.9375rem;font-weight:700;display:flex}.leverage-lab-controls label small{color:var(--color-neutral-800,#3d372e);white-space:pre;font-size:.875rem;line-height:1.5}.contract-controls label small{color:var(--color-neutral-800,#3d372e);white-space:normal;font-size:.875rem;line-height:1.5}.leverage-lab-controls input[type=range],.contract-controls input[type=range]{width:100%}.leverage-lab-results,.contract-result{grid-template-columns:1fr;gap:.75rem;margin-bottom:1rem;display:grid}@media (min-width:48rem){.leverage-lab-results{grid-template-columns:repeat(3,1fr)}.contract-result{grid-template-columns:1fr 1fr 1fr}}.leverage-lab-results article,.contract-result>div{border:1px solid var(--color-divider,#dcd3c4);background:var(--color-neutral-100,#f9f4ed);border-radius:.75rem;flex-direction:column;gap:.25rem;padding:.875rem;display:flex}.leverage-lab-results span,.contract-result span{color:var(--color-neutral-800,#3d372e);font-size:.875rem;font-weight:800}.leverage-lab-results strong,.contract-result strong{color:var(--color-text,#201e1d);font-size:1.25rem}.leverage-lab-results small,.contract-result p{color:var(--color-text,#201e1d);margin:0;font-size:.875rem;line-height:1.55}.leverage-lab-warning,.contract-lab-note{border:1px solid var(--color-divider,#dcd3c4);background:var(--color-neutral-100,#f9f4ed);border-radius:.75rem;align-items:flex-start;gap:.5rem;padding:.875rem;display:flex}.leverage-lab-warning svg,.contract-lab-note svg{color:var(--color-accent-700,#8c491a);flex-shrink:0}.leverage-lab-warning p,.contract-lab-note p{color:var(--color-text,#201e1d);margin:0}.leverage-scenario,.contract-scenario-lab{margin:1.5rem 0}.leverage-scenario h3,.contract-scenario-lab h3{color:var(--color-text,#201e1d);margin:.25rem 0}.leverage-scenario-grid,.contract-scenario-grid{grid-template-columns:1fr;gap:.75rem;margin:1rem 0;display:grid}@media (min-width:48rem){.leverage-scenario-grid,.contract-scenario-grid{grid-template-columns:repeat(3,1fr)}}.leverage-scenario-grid button,.contract-scenario-grid button{text-align:left;border:1px solid var(--color-divider,#dcd3c4);background:var(--color-neutral-100,#f9f4ed);color:var(--color-text,#201e1d);cursor:pointer;border-radius:.75rem;flex-direction:column;gap:.375rem;padding:1rem;font-size:.9375rem;line-height:1.5;transition:all .15s;display:flex}.leverage-scenario-grid button.is-selected,.contract-scenario-grid button.is-selected{border-color:var(--color-accent,#c67139);outline:2px solid var(--color-accent,#c67139);outline-offset:1px}.contract-scenario-grid button p{color:var(--color-text,#201e1d);margin:0;font-size:.9375rem;line-height:1.5}.lesson-scenario-feedback,.contract-scenario-result{border-radius:.75rem;margin-top:1rem;padding:1.25rem;font-size:.9375rem;line-height:1.6}.lesson-scenario-feedback{background:var(--color-error-100,#f6e0da);border:1px solid var(--color-error,#8a3b2a)}.lesson-scenario-feedback p{color:var(--color-text,#201e1d);margin:.375rem 0 0;font-size:.9375rem;line-height:1.6}.contract-scenario-result.is-good{background:var(--color-accent-2-100,#f0fae1);border:1px solid var(--color-accent-2-300,#ccdbb2);color:var(--color-accent-2-900,#2c381c)}.contract-scenario-result.is-danger{background:var(--color-error-100,#f6e0da);border:1px solid var(--color-error,#8a3b2a);color:var(--color-error,#8a3b2a)}.contract-scenario-result ul{margin:.5rem 0;padding-left:1.25rem}.contract-scenario-result li{color:var(--color-text,#201e1d);align-items:center;gap:.375rem;font-size:.9375rem;line-height:1.5;display:flex}