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.lesson-mobile-toc-toggle{background:none;border:none;color:var(--color-title);cursor:pointer;padding:.5rem;display:flex;align-items:center;justify-content:center;transition:background .2s ease;border-radius:8px}.lesson-mobile-header .lesson-mobile-toc-toggle:hover{background:var(--bg-code)}.lesson-mobile-header .lesson-mobile-toc-toggle svg{width:24px;height:24px}.lesson-mobile-toc-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:200;opacity:0;pointer-events:none;transition:opacity .3s ease}.lesson-mobile-toc-overlay.open{opacity:1;pointer-events:auto}.lesson-mobile-toc{display:none;position:fixed;top:0;right:-300px;width:300px;height:100%;background:var(--color-header);z-index:300;flex-direction:column;transition:right .3s ease;box-shadow:-4px 0 16px var(--color-shadow)}.lesson-mobile-toc.open{right:0}.lesson-mobile-toc .lesson-mobile-toc-header{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1rem;border-bottom:1px solid var(--color-header-border)}.lesson-mobile-toc .lesson-mobile-toc-header h3{margin:0;font-size:1.25rem;font-weight:600;color:var(--color-title)}.lesson-mobile-toc .lesson-mobile-toc-header .lesson-mobile-toc-close{background:none;border:none;font-size:2rem;line-height:1;color:var(--color-title);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:background .2s ease}.lesson-mobile-toc .lesson-mobile-toc-header .lesson-mobile-toc-close:hover{background:var(--bg-code)}.lesson-mobile-toc .lesson-mobile-toc-content{flex:1;overflow:hidden}.lesson-mobile-toc .lesson-mobile-toc-content .viewport{padding:1.5rem}@media(max-width: 1200px){.lesson-mobile-header{display:flex}.lesson-mobile-toc-overlay{display:block}.lesson-mobile-toc{display:flex}.app .lesson-right{display:none}.app .lesson-content .lesson-left .lesson-header{display:none}.app .lesson{gap:0}}@media(max-width: 767px){.app .lesson{flex-direction:column;padding:0;gap:0;overflow-y:auto;overflow-x:hidden}.app .lesson-layout-main{padding:1.5rem 1rem}.app .lesson-content-wrapper{padding:0;max-width:none}.app .lesson-content .lesson-center{padding:0 1rem}.app .lesson-page-main{flex:1;display:flex;flex-direction:column;overflow:hidden;padding:1.5rem 1rem}.app .lesson-page-container{overflow:hidden}.app .lesson-content{flex-direction:column;gap:1.5rem;overflow-y:auto}.app .lesson-content .lesson-left{width:100%;min-width:0;padding:0;flex-shrink:0;overflow:visible}.app .lesson-content .lesson-left .lesson-header{display:none}.app .lesson-content .lesson-left .lesson-text .markdown{line-height:1.7}.app .lesson-content .lesson-left .lesson-text .markdown p{margin:0 0 1rem 0}.app .lesson-content .lesson-left .lesson-text .markdown p:last-child{margin-bottom:0}.app .lesson-content .lesson-left .lesson-text .markdown strong{font-weight:600}.app .lesson-content .lesson-center{width:100%;flex:none;overflow:visible}.app .lesson-content-blocks{gap:1.5rem}.app .lesson-file-header{padding:.625rem .875rem}.app .lesson-file-header .lesson-file-title .lesson-file-path{word-break:break-all}.app .lesson-file-header .lesson-file-title .lesson-file-type{white-space:nowrap}.app .lesson-file-content{overflow-x:auto}.app .lesson-chunk{padding:.625rem .875rem}.app .lesson-chunk .lesson-line{white-space:pre-wrap;word-break:break-word}.app .lesson-chunk .lesson-line .lesson-line-content{flex:1;min-width:0}.app .lesson-prompt-block .lesson-prompt-icon{width:2.5rem;min-width:2.5rem;padding:.875rem .5rem}.app .lesson-prompt-block .lesson-prompt-content{padding:1.125rem 1.25rem;min-width:0}.app .lesson-prompt-block .lesson-prompt-content .lesson-prompt-text{line-height:1.7}.app .lesson.lesson-intro .lesson-intro-header{margin-bottom:1.5rem}.app .lesson.lesson-intro .lesson-intro-columns{column-count:1}.app .lesson.lesson-outro .lesson-outro-header{margin-bottom:1.5rem}.app .lesson.lesson-outro .lesson-outro-columns{column-count:1}.app .lesson.lesson-premium .lesson-premium-button{padding:.875rem 2rem}}.lesson-file .diff-normal{opacity:.7}.switch{display:flex;flex-direction:row;align-items:center;padding:1px;height:32px}.switch .switch-button{cursor:pointer;display:flex;align-items:center;justify-content:center;padding:6px;opacity:.5}.switch .switch-button:hover{opacity:1}.switch .switch-button.selected{opacity:1}.switch svg{color:var(--switch-fg);height:16px;width:16px}.toc-chapter-group.collapsed .toc-sections{display:none}.toc-chapter-group.expanded .toc-sections{display:block}.toc-chapter{cursor:pointer;padding:.4rem;padding-left:1.5rem;font-size:1.125rem;color:var(--color-toc-chapter-fg);border-left:2px solid var(--color-toc-unread);transition:color .2s ease,background .2s ease,border-color .2s ease}.toc-chapter:hover{color:var(--foreground);background:var(--color-toc-hover-bg);border-left-color:var(--color-toc-hover)}.toc-chapter.toc-completed{border-color:var(--color-toc-completed)}.toc-chapter.toc-completed:hover{background:var(--color-toc-hover-bg);border-left-color:var(--color-toc-hover)}.toc-sections{margin-left:0}.toc-section{cursor:pointer;padding:.2rem;padding-left:2.5rem;border-left:2px solid var(--color-toc-unread);font-size:1.125rem;color:var(--color-toc-section-fg);transition:color .2s ease,background .2s ease,border-color .2s ease}.toc-section:hover{background:var(--color-toc-hover-bg);color:var(--color-toc-chapter-fg);border-left-color:var(--color-toc-hover)}.toc-section.toc-completed{border-color:var(--color-toc-completed)}.toc-section.toc-completed:hover{background:var(--color-toc-hover-bg);border-left-color:var(--color-toc-hover)}.toc-section.toc-reading{border-color:var(--color-primary);background:var(--bg-secondary);font-weight:500;color:var(--color-toc-chapter-fg)}.toc-section.toc-reading:hover{background:var(--color-toc-hover-bg);border-left-color:var(--color-toc-hover)}.has-viewport{position:relative}.has-viewport .viewport,.has-viewport .curtain{text-align:justify;position:absolute;inset:0;padding-right:1rem;overflow-y:scroll}.unlock-container{height:100%;display:flex;align-items:center;justify-content:center;padding:2rem;background:var(--background)}.unlock-box{width:100%;max-width:400px;padding:3rem;background:var(--color-header);border:1px solid var(--color-header-border);border-radius:12px;box-shadow:0 4px 20px var(--color-shadow)}.unlock-header{text-align:center;margin-bottom:2rem}.unlock-logo{width:48px;height:48px;margin-bottom:1.5rem}.unlock-title{font-size:1.75rem;font-weight:600;color:var(--color-title);margin:0 0 .5rem 0}.unlock-subtitle{font-size:1rem;color:var(--color-title-dimmed);margin:0}.unlock-form{margin-bottom:2rem}.unlock-input-group{display:flex;flex-direction:column;gap:1rem}.unlock-input{width:100%;padding:.875rem 1rem;font-size:1rem;font-family:inherit;background:var(--background);color:var(--foreground);border:2px solid var(--color-header-border);border-radius:8px;outline:none;transition:border-color .2s ease}.unlock-input:focus{border-color:var(--color-primary)}.unlock-input.error{border-color:var(--color-primary)}.unlock-input::placeholder{color:var(--color-title-dimmed)}.unlock-button{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.875rem 1.5rem;font-size:1rem;font-weight:500;font-family:inherit;color:var(--fg-menu-selected);background:var(--bg-menu-selected);border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.unlock-button:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(20,96,104,.2)}.unlock-button:active{transform:translateY(0)}.unlock-button svg{width:16px;height:16px}.unlock-error{display:none;align-items:center;gap:.5rem;margin-top:1rem;padding:.75rem 1rem;font-size:.875rem;color:var(--color-primary);background:var(--bg-progress);border-radius:6px}.unlock-error.show{display:flex}.unlock-error svg{flex-shrink:0}.unlock-footer{text-align:center;font-size:.875rem;color:var(--color-title-dimmed)}.unlock-footer p{margin:0}.unlock-link{color:var(--fg-link);text-decoration:none}.unlock-link:hover{text-decoration:underline}.no-book-message{text-align:center;padding:2rem 0;color:var(--text-secondary)}.no-book-message svg{margin-bottom:1rem;color:var(--text-tertiary)}.no-book-message p{margin:0;line-height:1.6}.loading-container{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;background:var(--background);color:var(--foreground);overflow:hidden;position:relative}.loading-container::before{content:"";position:absolute;top:-100%;left:-100%;width:300%;height:300%;background:radial-gradient(ellipse at center, var(--bg-progress) 0%, var(--bg-code) 25%, var(--bg-progress) 50%, var(--bg-code) 75%, transparent 100%);opacity:.6}.loading-caption{font-size:26px;font-weight:500;color:var(--color-primary);opacity:0;animation:fadeInText 2s ease-in-out .5s forwards;margin-bottom:8px}.loading-subtitle{font-size:14px;font-weight:400;color:var(--color-secondary);opacity:0;animation:fadeInText 2s ease-in-out 1.5s forwards}@keyframes fadeInText{to{opacity:1}}.app .loading-spinner-container{display:flex;justify-content:center;align-items:center;margin:2rem 0}.app .loading-spinner{width:48px;height:48px;border:4px solid var(--color-header-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app .unpacking-progress-group{margin-bottom:2rem;display:flex;flex-direction:column;align-items:stretch;gap:.5rem}.app .progress-bar-container{flex-grow:1;height:20px;background-color:var(--bg-progress);border-radius:0;overflow:hidden}.app .progress-bar-fill{height:100%;width:0%;background:var(--color-primary);border-radius:0;transition:width .1s linear}.app .progress-text{font-size:.875rem;font-weight:500;color:var(--color-secondary);text-align:center}.demo-container{height:100%;overflow-y:auto;padding:3rem;background:var(--background)}.demo-header{text-align:center;margin-bottom:3rem}.demo-header h1{font-size:2.5rem;font-weight:600;color:var(--color-title);margin:1rem 0 .5rem 0}.demo-logo{width:64px;height:64px}.demo-subtitle{font-size:1.5rem;color:var(--color-title-dimmed);margin:0}.demo-sections{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:3rem}.demo-section h2{font-size:2rem;font-weight:600;color:var(--color-title);margin:0 0 1.5rem 0}.demo-cards{display:grid;grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));gap:1.5rem}.demo-card{display:flex;flex-direction:column;padding:2rem;background:var(--color-header);border:1px solid var(--color-header-border);border-radius:12px;text-decoration:none;color:inherit;transition:all .2s ease}.demo-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px var(--color-shadow);border-color:var(--color-primary)}.demo-card:hover .demo-card-icon{background:var(--color-primary);color:#fff}.demo-card:hover .demo-card-action{color:var(--color-primary)}.demo-card h3{font-size:1.5rem;font-weight:600;color:var(--color-title);margin:1rem 0 .5rem 0}.demo-card p{flex-grow:1;font-size:1.25rem;color:var(--color-title-dimmed);line-height:1.5;margin:0 0 1rem 0}.demo-card-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--bg-code);color:var(--fg-code);border-radius:12px;transition:all .2s ease}.demo-card-icon svg{width:24px;height:24px}.demo-card-action{font-size:1.125rem;font-weight:500;color:var(--color-secondary);transition:color .2s ease}.demo-theme-info{background:var(--color-header);border:1px solid var(--color-header-border);border-radius:12px;padding:2rem}.demo-theme-info p{font-size:1.25rem;line-height:1.6;color:var(--foreground);margin:0 0 1rem 0}.demo-theme-info p:last-child{margin-bottom:0}.demo-theme-info ul{margin:1rem 0;padding-left:2rem}.demo-theme-info ul li{margin-bottom:.5rem;color:var(--foreground);font-size:1.25rem}.demo-theme-info ul li strong{color:var(--color-title)}.demo-features{display:grid;grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));gap:1.5rem}.demo-feature{background:var(--color-header);border:1px solid var(--color-header-border);border-radius:8px;padding:1.5rem}.demo-feature h4{font-size:1.375rem;font-weight:600;color:var(--color-title);margin:0 0 .5rem 0}.demo-feature p{font-size:1.125rem;line-height:1.5;color:var(--color-title-dimmed);margin:0}.app .dev-view{display:flex;height:calc(100vh - 60px - 40px);width:100%;overflow:hidden}.app .dev-sidebar{width:280px;min-width:280px;background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;overflow:hidden}.app .dev-sidebar-header{padding:12px 16px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.app .dev-sidebar-header h3{margin:0;font-size:11px;font-weight:600;letter-spacing:.5px;color:var(--color-secondary)}.app .dev-sidebar-actions{display:flex;gap:4px}.app .dev-icon-btn{background:rgba(0,0,0,0);border:none;cursor:pointer;padding:4px;border-radius:4px;color:var(--foreground);opacity:.6;transition:opacity .2s ease,background .2s ease}.app .dev-icon-btn:hover{opacity:1;background:var(--bg-menu-selected)}.app .dev-icon-btn svg{display:block}.app .dev-tree{overflow-y:auto;overflow-x:hidden;padding:8px 0;flex:1}.app .dev-tree-item{user-select:none}.app .dev-tree-item.dev-folder>.dev-tree-children{display:none}.app .dev-tree-item.dev-folder.dev-folder-open>.dev-tree-label .dev-folder-icon{transform:rotate(90deg)}.app .dev-tree-item.dev-folder.dev-folder-open>.dev-tree-children{display:block}.app .dev-tree-label{display:flex;align-items:center;gap:6px;padding:4px 12px;cursor:pointer;color:var(--foreground);font-size:13px;transition:background .15s ease}.app .dev-tree-label:hover{background:var(--color-toc-hover-bg)}.app .dev-tree-label svg{flex-shrink:0;color:var(--color-secondary);transition:transform .2s ease}.app .dev-tree-label .dev-folder-icon{width:16px;height:16px}.app .dev-tree-label span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app .dev-tree-children{padding-left:16px}.app .dev-file{display:flex;align-items:center;gap:6px;padding:4px 12px;cursor:pointer;color:var(--foreground);font-size:13px;transition:background .15s ease}.app .dev-file:hover{background:var(--color-toc-hover-bg)}.app .dev-file.dev-file-active{background:var(--bg-menu-selected);color:var(--fg-menu-selected)}.app .dev-file .dev-file-icon{flex-shrink:0;color:var(--color-secondary);width:16px;height:16px}.app .dev-file span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app .dev-main{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--background)}.app .dev-tabs{display:flex;gap:0;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);overflow-x:auto;overflow-y:hidden;flex-shrink:0}.app .dev-tab{display:flex;align-items:center;gap:8px;padding:8px 12px;background:rgba(0,0,0,0);border-right:1px solid var(--border-color);cursor:pointer;font-size:13px;color:var(--foreground);opacity:.7;transition:opacity .2s ease,background .2s 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solid var(--border-color);color:var(--color-secondary);text-align:right;user-select:none;flex-shrink:0}.app .dev-line-numbers code{display:block;font-family:inherit;font-size:inherit;line-height:inherit}.app .dev-code{margin:0;padding:16px;flex:1;overflow:auto;color:var(--fg-code)}.app .dev-code code{display:block;font-family:inherit;font-size:inherit;line-height:inherit;color:inherit}.app .dev-tree::-webkit-scrollbar,.app .dev-tabs::-webkit-scrollbar,.app .dev-code-container::-webkit-scrollbar{width:8px;height:8px}.app .dev-tree::-webkit-scrollbar-track,.app .dev-tabs::-webkit-scrollbar-track,.app .dev-code-container::-webkit-scrollbar-track{background:var(--bg-secondary)}.app .dev-tree::-webkit-scrollbar-thumb,.app .dev-tabs::-webkit-scrollbar-thumb,.app .dev-code-container::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}.app .dev-tree::-webkit-scrollbar-thumb:hover,.app .dev-tabs::-webkit-scrollbar-thumb:hover,.app .dev-code-container::-webkit-scrollbar-thumb:hover{background:var(--color-secondary)}@media(max-width: 767px){.app .dev-view{flex-direction:column}.app .dev-sidebar{width:100%;height:200px;border-right:none;border-bottom:1px solid var(--border-color)}}.app .ride-view{display:flex;height:calc(100vh - 60px - 40px);width:100%;overflow:hidden}.app .ride-sidebar{width:300px;min-width:300px;background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;overflow:hidden}.app .ride-sidebar-header{padding:12px 16px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.app .ride-sidebar-header h3{margin:0;font-size:11px;font-weight:600;letter-spacing:.5px;color:var(--color-secondary)}.app .ride-sidebar-actions{display:flex;gap:4px}.app .ride-icon-btn{background:rgba(0,0,0,0);border:none;cursor:pointer;padding:4px;border-radius:4px;color:var(--foreground);opacity:.6;transition:opacity .2s 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.ride-resource-stats{display:flex;align-items:center;gap:8px;margin-top:4px;font-size:11px;color:var(--color-secondary)}.app .ride-status-online{width:6px;height:6px;border-radius:50%;background:#10b981;flex-shrink:0}.app .ride-sidebar-footer{padding:12px 16px;border-top:1px solid var(--border-color);background:var(--background)}.app .ride-connection-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--foreground)}.app .ride-status-indicator{width:8px;height:8px;border-radius:50%;flex-shrink:0}.app .ride-status-indicator.online{background:#10b981;box-shadow:0 0 0 2px rgba(16,185,129,.2)}.app .ride-status-indicator.offline{background:#6b7280}.app .ride-connection-text{font-weight:500}.app .ride-main{flex:1;display:flex;flex-direction:column;overflow-y:auto;background:var(--background);padding:24px;gap:24px}.app .ride-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;overflow:hidden}.app .ride-section-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border-color);background:var(--background)}.app .ride-section-header h3{margin:0;font-size:11px;font-weight:600;letter-spacing:.5px;color:var(--color-secondary)}.app .ride-add-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:500;background:rgba(0,0,0,0);border:1px solid var(--border-color);border-radius:4px;color:var(--foreground);cursor:pointer;transition:all .2s ease;font-family:inherit}.app .ride-add-btn:hover{background:var(--bg-menu-selected);border-color:var(--color-primary)}.app .ride-add-btn svg{width:14px;height:14px}.app .ride-connectors-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));gap:16px;padding:20px}.app .ride-connector-card{background:var(--background);border:1px solid var(--border-color);border-radius:6px;overflow:hidden;transition:border-color .2s ease}.app .ride-connector-card:hover{border-color:var(--color-primary)}.app .ride-connector-card.disabled{opacity:.6}.app .ride-connector-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border-color)}.app .ride-connector-title{display:flex;align-items:center;gap:10px}.app .ride-connector-title svg{color:var(--color-primary);flex-shrink:0}.app .ride-connector-title span{font-size:14px;font-weight:600;color:var(--foreground)}.app .ride-toggle-switch{position:relative;width:40px;height:22px}.app .ride-toggle-switch input{opacity:0;width:0;height:0}.app .ride-toggle-switch input:checked+.ride-toggle-slider{background:var(--color-primary)}.app .ride-toggle-switch input:checked+.ride-toggle-slider:before{transform:translateX(18px)}.app .ride-toggle-switch input:disabled+.ride-toggle-slider{opacity:.5;cursor:not-allowed}.app .ride-toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--border-color);transition:.3s;border-radius:22px}.app .ride-toggle-slider:before{position:absolute;content:"";height:16px;width:16px;left:3px;bottom:3px;background:#fff;transition:.3s;border-radius:50%}.app .ride-connector-body{padding:16px;display:flex;flex-direction:column;gap:12px}.app .ride-field{display:flex;flex-direction:column;gap:6px}.app .ride-field label{font-size:12px;font-weight:500;color:var(--foreground)}.app .ride-input,.app .ride-select,.app .ride-textarea{width:100%;padding:8px 10px;font-size:13px;font-family:inherit;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:4px;color:var(--foreground);transition:border-color .2s ease}.app .ride-input:focus,.app .ride-select:focus,.app .ride-textarea:focus{outline:none;border-color:var(--color-primary)}.app .ride-input:disabled,.app .ride-select:disabled,.app .ride-textarea:disabled{opacity:.5;cursor:not-allowed}.app .ride-textarea{resize:vertical;min-height:60px;font-family:"Courier New",monospace;line-height:1.5}.app .ride-connector-status{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:500;margin-top:4px}.app .ride-connector-status.active{color:#10b981}.app .ride-connector-status.inactive{color:var(--color-secondary)}.app .ride-status-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.app .ride-characters-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(320px, 1fr));gap:16px;padding:20px}.app .ride-character-card{background:var(--background);border:1px solid var(--border-color);border-radius:6px;overflow:hidden;transition:border-color .2s ease}.app .ride-character-card:hover{border-color:var(--color-primary)}.app .ride-character-card.active{border-color:var(--color-primary)}.app .ride-character-header{display:flex;align-items:center;gap:12px;padding:16px;border-bottom:1px solid var(--border-color)}.app .ride-character-icon{width:48px;height:48px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.app .ride-character-icon.engineer{background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);color:#fff}.app .ride-character-icon.teacher{background:linear-gradient(135deg, #f093fb 0%, #f5576c 100%);color:#fff}.app .ride-character-icon.architect{background:linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);color:#fff}.app .ride-character-info{flex:1}.app .ride-character-name{font-size:15px;font-weight:600;color:var(--foreground);margin-bottom:2px}.app .ride-character-desc{font-size:12px;color:var(--color-secondary)}.app .ride-character-body{padding:16px;display:flex;flex-direction:column;gap:12px}.app .ride-character-traits{display:flex;flex-wrap:wrap;gap:6px}.app .ride-trait{padding:4px 10px;font-size:11px;font-weight:500;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;color:var(--foreground)}.app .ride-range{width:100%;height:4px;border-radius:2px;background:var(--border-color);outline:none;-webkit-appearance:none}.app .ride-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--color-primary);cursor:pointer}.app .ride-range::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--color-primary);cursor:pointer;border:none}.app .ride-range-value{font-size:11px;font-weight:500;color:var(--color-secondary);margin-left:8px}.app .ride-resources-list::-webkit-scrollbar,.app .ride-main::-webkit-scrollbar{width:8px}.app .ride-resources-list::-webkit-scrollbar-track,.app .ride-main::-webkit-scrollbar-track{background:var(--bg-secondary)}.app .ride-resources-list::-webkit-scrollbar-thumb,.app .ride-main::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}.app .ride-resources-list::-webkit-scrollbar-thumb:hover,.app .ride-main::-webkit-scrollbar-thumb:hover{background:var(--color-secondary)}@media(max-width: 767px){.app .ride-view{flex-direction:column}.app .ride-sidebar{width:100%;height:200px;border-right:none;border-bottom:1px solid var(--border-color)}.app .ride-connectors-grid,.app .ride-characters-grid{grid-template-columns:1fr}}.welcome-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:1000;opacity:0;transition:opacity .3s ease}.welcome-modal-overlay.visible{opacity:1}.welcome-modal-overlay.hiding{opacity:0}.welcome-modal{background:var(--background);border:1px solid var(--color-header-border);border-radius:12px;width:90%;max-width:700px;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3);transform:translateY(20px);transition:transform .3s ease}.welcome-modal-overlay.visible .welcome-modal{transform:translateY(0)}.welcome-modal-header{display:flex;align-items:center;justify-content:space-between;padding:2rem;border-bottom:1px solid var(--color-header-border)}.welcome-modal-header h2{margin:0;font-size:1.75rem;font-weight:600;color:var(--color-title)}.welcome-modal-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:rgba(0,0,0,0);color:var(--color-title-dimmed);cursor:pointer;border-radius:8px;transition:all .2s ease}.welcome-modal-close:hover{background:var(--color-header);color:var(--color-title)}.welcome-modal-close svg{width:20px;height:20px}.welcome-modal-content{flex:1;overflow-y:auto;padding:2rem}.welcome-section{margin-bottom:2rem}.welcome-section:last-child{margin-bottom:0}.welcome-section h3{font-size:1.25rem;font-weight:600;color:var(--color-title);margin:0 0 .75rem 0}.welcome-section p{font-size:1rem;line-height:1.6;color:var(--foreground);margin:0 0 .75rem 0}.welcome-section ul,.welcome-section ol{margin:0;padding-left:1.5rem}.welcome-section ul li,.welcome-section ol li{margin-bottom:.5rem;line-height:1.6;color:var(--foreground)}.welcome-section ul li strong,.welcome-section ol li strong{color:var(--color-title)}.welcome-tips{background:var(--color-header);border:1px solid var(--color-header-border);border-radius:8px;padding:1.5rem}.welcome-tips h3{margin-bottom:1rem}.welcome-tip{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:.75rem}.welcome-tip:last-child{margin-bottom:0}.welcome-tip-icon{font-size:1.25rem;flex-shrink:0}.welcome-modal-footer{padding:1.5rem 2rem;border-top:1px solid var(--color-header-border);display:flex;justify-content:flex-end}.welcome-modal-button{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;font-family:inherit;color:var(--fg-menu-selected);background:var(--bg-menu-selected);border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.welcome-modal-button:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(20,96,104,.2)}.welcome-modal-button:active{transform:translateY(0)}.welcome-modal-button svg{width:16px;height:16px}@media(max-width: 768px){.welcome-modal{width:95%;max-height:90vh}.welcome-modal-header{padding:1.5rem}.welcome-modal-header h2{font-size:1.5rem}.welcome-modal-content{padding:1.5rem}.welcome-section h3{font-size:1.125rem}}.app .intro-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:1000;opacity:0;transition:opacity .3s ease}.app .intro-modal-overlay.visible{display:flex;opacity:1}.app .intro-modal-overlay.hiding{opacity:0}.app .intro-modal{background:var(--background);border:1px solid var(--color-header-border);border-radius:12px;width:90%;max-width:800px;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3);transform:translateY(20px);transition:transform .3s ease}.intro-modal-overlay.visible .app .intro-modal{transform:translateY(0)}.app .intro-modal-header{display:flex;align-items:center;justify-content:space-between;padding:2rem;border-bottom:1px solid var(--color-header-border)}.app .intro-modal-header h2{margin:0;font-size:1.75rem;font-weight:600;color:var(--color-title)}.app .intro-modal-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:rgba(0,0,0,0);color:var(--color-title-dimmed);cursor:pointer;border-radius:8px;transition:all .2s ease}.app .intro-modal-close:hover{background:var(--color-header);color:var(--color-title)}.app .intro-modal-close svg{width:20px;height:20px}.app .intro-modal-content{flex:1;overflow-y:auto;padding:2rem;font-size:1.25rem}.app .intro-modal-content .markdown h1,.app .intro-modal-content .markdown h2,.app .intro-modal-content .markdown h3,.app .intro-modal-content .markdown h4,.app .intro-modal-content .markdown h5,.app .intro-modal-content .markdown h6{color:var(--color-title);margin-top:1.5rem;margin-bottom:.75rem}.app .intro-modal-content .markdown h1:first-child,.app .intro-modal-content .markdown h2:first-child,.app .intro-modal-content .markdown h3:first-child,.app .intro-modal-content .markdown h4:first-child,.app .intro-modal-content .markdown h5:first-child,.app .intro-modal-content .markdown h6:first-child{margin-top:0}.app .intro-modal-content .markdown h3{font-size:1.25rem;font-weight:600}.app .intro-modal-content .markdown p{line-height:1.6;color:var(--foreground);margin:0 0 1rem 0}.app .intro-modal-content .markdown ul,.app .intro-modal-content .markdown ol{margin:0 0 1rem 0;padding-left:1.5rem}.app .intro-modal-content .markdown ul li,.app .intro-modal-content .markdown ol li{margin-bottom:.5rem;line-height:1.6;color:var(--foreground)}.app .intro-modal-content .markdown code{padding:.2em .4em;background:var(--color-header);border:1px solid var(--color-header-border);border-radius:3px;font-size:.9em;font-family:"Consolas","Monaco","Courier New",monospace}.app .intro-modal-content .markdown pre{background:var(--color-header);border:none;border-radius:6px;padding:1rem;overflow-x:auto;margin:0}.app .intro-modal-content .markdown pre code{padding:0;background:rgba(0,0,0,0);border:none}.app .intro-modal-content .markdown strong{color:var(--color-title);font-weight:600}.app .intro-modal-footer{padding:1.5rem 2rem;border-top:1px solid var(--color-header-border);display:flex;justify-content:flex-end}.app .intro-modal-button{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;font-family:inherit;color:var(--fg-menu-selected);background:var(--bg-menu-selected);border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.app .intro-modal-button:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(20,96,104,.2)}.app .intro-modal-button:active{transform:translateY(0)}.app .intro-modal-button svg{width:16px;height:16px}@media(max-width: 768px){.app .intro-modal{width:95%;max-height:90vh}.app .intro-modal-header{padding:1.5rem}.app .intro-modal-header h2{font-size:1.5rem}.app .intro-modal-content{padding:1.5rem}}.language-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:1000;opacity:0;transition:opacity .3s ease}.language-modal-overlay.visible{opacity:1}.language-modal-overlay.hiding{opacity:0}.language-modal{background:var(--background);border:1px solid var(--color-header-border);border-radius:12px;width:90%;max-width:500px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3);transform:translateY(20px);transition:transform .3s ease}.language-modal-overlay.visible .language-modal{transform:translateY(0)}.language-modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;border-bottom:1px solid var(--color-header-border);background:var(--background);border-radius:12px 12px 0 0}.language-modal-header h2{margin:0;font-size:1.5rem;font-weight:600;color:var(--color-title)}.language-modal-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:rgba(0,0,0,0);color:var(--color-title-dimmed);cursor:pointer;border-radius:8px;transition:all .2s ease}.language-modal-close:hover{background:var(--color-header);color:var(--color-title)}.language-modal-close svg{width:20px;height:20px}.language-modal-content{flex:1;overflow-y:auto;padding:1rem;background:var(--background);border-radius:0 0 12px 12px}.language-list{display:flex;flex-direction:column;gap:.25rem}.language-item{display:flex;align-items:center;gap:1rem;width:100%;padding:.75rem 1rem;border:none;background:rgba(0,0,0,0);border-radius:8px;cursor:pointer;transition:all .2s ease;text-align:left;font-family:inherit;font-size:1rem;color:var(--foreground)}.language-item:hover{background:var(--color-header)}.language-item.active{background:var(--bg-code)}.language-item.active .language-check{opacity:1}.language-flag{font-size:1.5rem;width:2rem;text-align:center}.language-name{flex:1;font-weight:500;color:var(--color-title)}.language-native{color:var(--color-title-dimmed);font-size:.875rem}.language-check{width:20px;height:20px;color:var(--color-primary);opacity:0;transition:opacity .2s ease}@media(max-width: 768px){.language-modal{width:95%;max-height:85vh}.language-modal-header{padding:1.25rem}.language-modal-header h2{font-size:1.25rem}.language-item{padding:.625rem .75rem}.language-item .language-flag{font-size:1.25rem}}.app .help-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:1000;opacity:0;transition:opacity .3s ease}.app .help-modal-overlay.visible{display:flex;opacity:1}.app .help-modal-overlay.hiding{opacity:0}.app .help-modal{background:var(--background);border:1px solid var(--color-header-border);border-radius:12px;width:90%;max-width:1200px;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3);transform:translateY(20px);transition:transform .3s ease}.help-modal-overlay.visible .app .help-modal{transform:translateY(0)}.app .help-modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem 2rem;border-bottom:1px solid var(--color-header-border)}.app .help-modal-header h2{margin:0;font-size:1.75rem;font-weight:600;color:var(--color-title)}.app .help-modal-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:rgba(0,0,0,0);color:var(--color-title-dimmed);cursor:pointer;border-radius:8px;transition:all .2s ease}.app .help-modal-close:hover{background:var(--color-header);color:var(--color-title)}.app .help-modal-close svg{width:20px;height:20px}.app .help-modal-tabs{display:flex;gap:.5rem;padding:0 2rem;border-bottom:1px solid var(--color-header-border);background:var(--color-header)}.app .help-tab{padding:1rem 1.5rem;font-size:1rem;font-weight:500;font-family:inherit;color:var(--color-text-dimmed);background:rgba(0,0,0,0);border:none;border-bottom:2px solid rgba(0,0,0,0);cursor:pointer;transition:all .2s ease;position:relative;top:1px}.app .help-tab:hover{color:var(--color-title);background:var(--background)}.app .help-tab.active{color:var(--color-title);background:var(--background);border-bottom-color:var(--color-accent)}.app .help-modal-content{flex:1;overflow-y:auto;padding:2rem;font-size:1.25rem;position:relative}.app .help-tab-content{display:none}.app .help-tab-content.active{display:block}.app .help-tab-content .markdown h1,.app .help-tab-content .markdown h2,.app .help-tab-content .markdown h3,.app .help-tab-content .markdown h4,.app .help-tab-content .markdown h5,.app .help-tab-content .markdown h6{color:var(--color-title);margin-top:1.5rem;margin-bottom:.75rem}.app .help-tab-content .markdown h1:first-child,.app .help-tab-content .markdown h2:first-child,.app .help-tab-content .markdown h3:first-child,.app .help-tab-content .markdown h4:first-child,.app .help-tab-content .markdown h5:first-child,.app .help-tab-content .markdown h6:first-child{margin-top:0}.app .help-tab-content .markdown h3{font-size:1.5rem;font-weight:600}.app .help-tab-content .markdown h4{font-size:1.25rem;font-weight:600}.app .help-tab-content .markdown p{line-height:1.6;color:var(--foreground);margin:0 0 1rem 0}.app .help-tab-content .markdown ul,.app .help-tab-content .markdown ol{margin:0 0 1rem 0;padding-left:1.5rem}.app .help-tab-content .markdown ul li,.app .help-tab-content .markdown ol li{margin-bottom:.5rem;line-height:1.6;color:var(--foreground)}.app .help-tab-content .markdown code{padding:.2em .4em;background:var(--color-header);border:1px solid var(--color-header-border);border-radius:3px;font-size:.9em;font-family:"Consolas","Monaco","Courier New",monospace}.app .help-tab-content .markdown pre{background:var(--color-header);border:none;border-radius:6px;padding:1rem;overflow-x:auto;margin:0 0 1rem 0}.app .help-tab-content .markdown pre code{padding:0;background:rgba(0,0,0,0);border:none}.app .help-tab-content .markdown strong{color:var(--color-title);font-weight:600}.app .help-tab-content .markdown em{font-style:italic}.app .help-modal-footer{padding:1.5rem 2rem;border-top:1px solid var(--color-header-border);display:flex;justify-content:flex-end}.app .help-modal-button{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;font-family:inherit;color:var(--fg-menu-selected);background:var(--bg-menu-selected);border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.app .help-modal-button:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(20,96,104,.2)}.app .help-modal-button:active{transform:translateY(0)}.app .help-modal-button svg{width:16px;height:16px}@media(max-width: 768px){.app .help-modal{width:95%;max-width:100%;max-height:90vh}.app .help-modal-header{padding:1.5rem}.app .help-modal-header h2{font-size:1.5rem}.app .help-modal-tabs{padding:0 1rem}.app .help-tab{padding:.875rem 1rem;font-size:.9rem;white-space:nowrap}.app .help-modal-content{padding:1.5rem}}.project-mirror-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:1000;opacity:0;transition:opacity .3s ease}.project-mirror-modal-overlay.visible{display:flex;opacity:1}.project-mirror-modal-overlay.hiding{opacity:0}.project-mirror-modal{background:var(--background);border:1px solid var(--color-header-border);border-radius:12px;width:90%;max-width:600px;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3);transform:translateY(20px);transition:transform .3s ease}.project-mirror-modal-overlay.visible .project-mirror-modal{transform:translateY(0)}.project-mirror-modal-header{display:flex;align-items:center;justify-content:space-between;padding:2rem;border-bottom:1px solid var(--color-header-border)}.project-mirror-modal-header h2{margin:0;font-size:1.75rem;font-weight:600;color:var(--color-title)}.project-mirror-modal-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:rgba(0,0,0,0);color:var(--color-title-dimmed);cursor:pointer;border-radius:8px;transition:all .2s ease}.project-mirror-modal-close:hover{background:var(--color-header);color:var(--color-title)}.project-mirror-modal-close svg{width:20px;height:20px}.project-mirror-modal-content{flex:1;overflow-y:auto;padding:2rem}.project-mirror-section{margin-bottom:2rem}.project-mirror-section:last-child{margin-bottom:0}.project-mirror-section h3{font-size:1.25rem;font-weight:600;color:var(--color-title);margin:0 0 1rem 0}.project-mirror-section p{font-size:1rem;line-height:1.6;color:var(--foreground);margin:0 0 1rem 0}.project-mirror-note{padding-left:1rem;border-left:3px solid #ff3d00;color:var(--foreground);font-size:.875rem;margin-top:1rem}.project-mirror-folder{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem;background:var(--color-header);border:1px solid var(--color-header-border);border-radius:8px}.project-mirror-folder-info{display:flex;align-items:center;gap:.75rem;flex:1;min-width:0}.project-mirror-folder-info 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