.course-shell{--course-max-width:780px;--course-radius-md:10px;--course-radius-lg:14px;--course-radius-pill:999px;--course-shadow-card:0 4px 16px rgba(91,63,168,.08);display:flex;flex-direction:column;min-height:100vh;background:var(--color-bg);color:var(--color-text);font-family:var(--font-body)}.course-header{background:var(--color-surface);border-bottom:1px solid var(--color-border)}.course-header-inner{max-width:var(--course-max-width);margin:0 auto;padding:var(--space-md) var(--space-lg);display:flex;align-items:center;justify-content:space-between;gap:var(--space-md)}.course-header-brand{font-family:var(--font-heading);font-size:1.05rem;color:var(--color-brand);text-decoration:none;font-weight:400}.course-header-title{font-family:var(--font-body);font-size:.95rem;color:var(--color-text-secondary);font-weight:500;margin:0}.course-main{flex:1 1;padding:var(--space-xl) var(--space-lg)}.course-inner{max-width:var(--course-max-width);margin:0 auto}.course-heading{font-family:var(--font-heading);font-size:1.75rem;line-height:1.25;color:var(--color-text);margin-bottom:var(--space-sm)}.course-subheading{color:var(--color-text-secondary);font-size:1rem;line-height:1.55;margin-bottom:var(--space-xl)}.course-eyebrow{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-brand);margin-bottom:var(--space-sm)}.course-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--course-radius-lg);padding:var(--space-xl);margin-bottom:var(--space-lg);box-shadow:var(--course-shadow-card)}.course-card-title{font-family:var(--font-heading);font-size:1.25rem;line-height:1.3;color:var(--color-text);margin-bottom:var(--space-sm)}.course-card-body{color:var(--color-text-secondary);font-size:.95rem;line-height:1.6;margin-bottom:var(--space-md)}.course-card-body:last-child{margin-bottom:0}.course-btn{display:inline-flex;align-items:center;justify-content:center;padding:.65rem 1.2rem;border-radius:var(--course-radius-md);font-family:var(--font-body);font-size:.95rem;font-weight:500;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);cursor:pointer;text-decoration:none;transition:background-color .15s ease,border-color .15s ease,color .15s ease;min-height:44px}.course-btn:hover{border-color:var(--color-brand-light);color:var(--color-brand)}.course-btn:disabled{cursor:not-allowed;opacity:.6}.course-btn-primary{background:var(--color-brand);border-color:var(--color-brand);color:var(--color-surface)}.course-btn-primary:hover{background:var(--color-brand-light);border-color:var(--color-brand-light);color:var(--color-surface)}.course-btn-block{width:100%}.course-form{gap:var(--space-md)}.course-field,.course-form{display:flex;flex-direction:column}.course-field{gap:var(--space-xs)}.course-field-label{font-size:.85rem;font-weight:500;color:var(--color-text-secondary)}.course-field-input,.course-field-select{padding:.7rem .9rem;border:1px solid var(--color-border);border-radius:var(--course-radius-md);font-family:var(--font-body);font-size:.95rem;background:var(--color-surface);color:var(--color-text);transition:border-color .15s ease}.course-field-input:focus,.course-field-select:focus{outline:none;border-color:var(--color-brand)}.course-field-help{font-size:.8rem;color:var(--color-text-muted)}.course-form-error{background:var(--color-brand-bg);border:1px solid var(--color-brand-light);color:var(--color-brand);padding:var(--space-sm) var(--space-md);border-radius:var(--course-radius-md);font-size:.9rem}.course-message{color:var(--color-text-secondary);font-size:.95rem;line-height:1.55}.course-link,.course-message-error{color:var(--color-brand)}.course-link{text-decoration:underline}.course-link:hover{color:var(--color-brand-light)}.course-progress{margin-bottom:var(--space-lg)}.course-progress-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-xs);font-size:.85rem;color:var(--color-text-secondary)}.course-progress-track{height:6px;background:var(--color-brand-bg);border-radius:var(--course-radius-pill);overflow:hidden}.course-progress-fill{height:100%;background:var(--color-brand);border-radius:var(--course-radius-pill);transition:width .3s ease}.course-day-tile{display:block;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--course-radius-lg);padding:var(--space-lg);text-decoration:none;color:inherit;transition:box-shadow .2s ease,border-color .2s ease}.course-day-tile:hover{border-color:var(--color-brand-light);box-shadow:var(--course-shadow-card)}.course-day-tile-label{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-brand);margin-bottom:var(--space-xs)}.course-day-tile-title{font-family:var(--font-heading);font-size:1.2rem;line-height:1.3;margin-bottom:var(--space-sm);color:var(--color-text)}.course-day-tile-meta{font-size:.85rem;color:var(--color-text-muted)}.course-article{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--course-radius-lg);padding:var(--space-xl);margin-bottom:var(--space-lg)}.course-article h1,.course-article h2,.course-article h3{font-family:var(--font-heading);color:var(--color-text);line-height:1.3;margin-top:var(--space-lg);margin-bottom:var(--space-sm)}.course-article h1{font-size:1.75rem;margin-top:0}.course-article h2{font-size:1.35rem}.course-article h3{font-size:1.1rem}.course-article li,.course-article p{color:var(--color-text);font-size:1rem;line-height:1.7;margin-bottom:var(--space-md)}.course-article ol,.course-article ul{padding-left:var(--space-lg);margin-bottom:var(--space-md)}.course-article blockquote{border-left:3px solid var(--color-brand);padding-left:var(--space-md);color:var(--color-text-secondary);font-style:italic;margin:var(--space-md) 0}.course-article a{color:var(--color-brand);overflow-wrap:break-word;word-break:break-word}.course-day-actions{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-xl)}@media (min-width:560px){.course-day-actions{flex-direction:row;justify-content:space-between;align-items:center}}.course-day-status{font-size:.9rem;color:var(--color-text-secondary)}.course-upsell-footer{background:var(--color-brand-bg);border-top:1px solid var(--color-border);padding:var(--space-lg)}.course-upsell-footer-inner{max-width:var(--course-max-width);margin:0 auto;display:flex;flex-direction:column;gap:var(--space-sm);text-align:center}@media (min-width:560px){.course-upsell-footer-inner{flex-direction:row;text-align:left;align-items:center;justify-content:space-between}}.course-upsell-footer-text{color:var(--color-text);font-size:.95rem;line-height:1.45;margin:0}.course-upsell-footer-cta{color:var(--color-brand);font-weight:600;text-decoration:none;white-space:nowrap}.course-upsell-footer-cta:hover{text-decoration:underline}.course-upsell-card{background:var(--color-brand-bg);border:1px solid var(--color-brand-light);border-radius:var(--course-radius-lg);padding:var(--space-xl);margin-bottom:var(--space-lg)}.course-upsell-card-title{font-family:var(--font-heading);font-size:1.15rem;color:var(--color-brand);margin-bottom:var(--space-sm)}.course-upsell-card-body{color:var(--color-text);font-size:.95rem;line-height:1.6;margin-bottom:var(--space-md)}@media (max-width:480px){.course-header-inner{padding:var(--space-sm) var(--space-md)}.course-main{padding:var(--space-lg) var(--space-md)}.course-article,.course-card,.course-upsell-card{padding:var(--space-lg)}.course-heading{font-size:1.5rem}.course-card-title{font-size:1.1rem}}.course-btn-ghost{background:transparent;border-color:var(--color-border);color:var(--color-text-secondary)}.course-btn-ghost:hover{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text-primary)}.course-day-upsell{margin-top:var(--space-lg);margin-bottom:var(--space-xl)}.course-milestone-overlay{position:fixed;inset:0;z-index:1000;background:rgba(7,10,20,.78);display:flex;align-items:center;justify-content:center;padding:var(--space-lg);overflow-y:auto}.course-milestone-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--course-radius-lg);padding:var(--space-xl);max-width:480px;width:100%;box-shadow:0 20px 48px rgba(7,10,20,.4);display:flex;flex-direction:column;gap:var(--space-md)}.course-milestone-heading{font-size:1.5rem;font-weight:600;color:var(--color-text-primary);margin:0;line-height:1.25}.course-milestone-body{font-size:1rem;line-height:1.6;color:var(--color-text-secondary);margin:0}.course-milestone-actions{display:flex;flex-direction:column;gap:var(--space-sm);margin-top:var(--space-md)}@media (min-width:560px){.course-milestone-actions{flex-direction:row-reverse;justify-content:flex-start}}