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span{display:none}.element-edit-actions{flex-direction:column;align-items:stretch}.design-style-grid{grid-template-columns:1fr}.setup-actions{flex-direction:column}.input-shortcuts-hint{display:none}.project-footer-actions{flex-direction:column;align-items:flex-start}}@media (max-width:1200px){.toolbar-right{gap:6px}.toolbar-utility-group,.toolbar-primary-group{gap:4px}}@media (max-width:1024px){.chat-panel{width:320px;min-width:320px}.toolbar-right{gap:4px}.select-block-btn{max-width:128px}.builder-main{padding:0 14px 14px}}.help-btn:hover{color:#60a5fa;border-color:#60a5fa}.help-modal{flex-direction:column;max-height:80vh;display:flex;overflow:hidden}.help-body{max-height:60vh;overflow-y:auto}.help-section{margin-bottom:20px}.help-section h3{color:var(--text-primary);border-bottom:1px solid var(--border);align-items:center;gap:8px;margin-bottom:10px;padding-bottom:6px;font-size:14px;font-weight:700;display:flex}.help-section ul{flex-direction:column;gap:8px;padding:0;list-style:none;display:flex}.help-section li{color:var(--text-secondary);border-left:2px solid var(--border);padding-left:12px;font-size:13px;line-height:1.5}.help-section li strong{color:var(--text-primary);font-weight:600}.help-section kbd{background:var(--bg-tertiary);border:1px solid var(--border-light);color:var(--text-primary);border-radius:4px;margin:0 2px;padding:2px 8px;font-family:SF Mono,Fira Code,monospace;font-size:11px;display:inline-block}.help-footer{border-top:1px solid var(--border);margin-top:12px;padding-top:12px}.help-footer p{color:var(--text-muted);text-align:center;font-size:12px;line-height:1.5}.versions-sidebar{border-right:1px solid var(--border);z-index:90;width:360px;height:100vh;box-shadow:var(--shadow-lg);background:#121212fa;flex-direction:column;transition:left .25s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;left:-360px}.versions-sidebar.open{left:0}.sidebar-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px 18px 16px;display:flex}.sidebar-title{align-items:flex-start;gap:8px;font-size:14px;font-weight:600;display:flex}.sidebar-subtitle{color:var(--text-muted);margin-top:4px;font-size:11px;font-weight:500}.sidebar-close{color:var(--text-muted);cursor:pointer;border-radius:var(--radius);transition:all var(--transition);background:0 0;border:none;padding:4px}.sidebar-close:hover{background:var(--bg-hover);color:var(--text-primary)}.versions-list{flex:1;padding:12px;overflow-y:auto}.no-versions{text-align:center;color:var(--text-muted);flex-direction:column;align-items:center;gap:8px;padding:40px 20px;font-size:13px;display:flex}.no-versions .hint{color:var(--text-muted);margin-top:4px;font-size:11px}.version-item{border:1px solid var(--border);cursor:pointer;text-align:left;width:100%;transition:all var(--transition);color:var(--text-primary);background:#ffffff08;border-radius:18px;margin-bottom:4px;padding:14px;font-family:inherit;display:block}.version-item.active{border-color:var(--border-light);background:#ffffff14;box-shadow:inset 0 0 0 1px #ffffff0f}.version-info{flex-direction:column;gap:4px;display:flex}.version-label{align-items:center;gap:6px;font-size:13px;font-weight:600;display:flex}.version-badge{background:var(--accent-muted);color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px;border-radius:10px;padding:2px 6px;font-size:9px;font-weight:700}.version-meta{color:var(--text-muted);align-items:center;gap:6px;font-size:11px;display:flex}.recent-projects-section{width:100%;margin:0 auto;padding:40px 0 24px}.recent-projects-header{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;align-items:center;gap:8px;margin-bottom:16px;font-size:12px;font-weight:700;display:flex}.recent-projects-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;display:grid}.project-card{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);text-align:left;background:#ffffff08;align-items:center;gap:12px;padding:16px 18px;display:flex}.project-card:hover{background:var(--bg-hover);border-color:var(--border-light);box-shadow:var(--shadow);transform:translateY(-2px)}.project-card-body{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.project-card-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.project-card-meta{color:var(--text-muted);font-size:12px}.project-card-delete{width:28px;height:28px;color:var(--text-muted);cursor:pointer;transition:all var(--transition);opacity:0;background:0 0;border:1px solid #0000;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.project-card:hover .project-card-delete{opacity:1}.project-card-delete:hover{color:var(--error);background:#d072721f;border-color:#d072724d}.chat-message-content{white-space:pre-wrap;word-break:break-word;font-size:13px;line-height:1.55}.chat-message.user{flex-direction:column;align-items:flex-end}.chat-message.user .chat-message-content{color:#fff;background:#3c3c3c;border-radius:22px 22px 8px;max-width:85%;padding:12px 16px}.chat-message.assistant{flex-direction:column;align-items:flex-start}.chat-message.assistant .chat-message-content{border:1px solid var(--border);min-width:180px;max-width:90%;color:var(--text-primary);background:#1c1c1cf5;border-radius:22px 22px 22px 8px;padding:12px 15px}.chat-message-time{color:var(--text-muted);margin-top:4px;padding:0 4px;font-size:10px}.assistant-message-header{align-items:center;gap:6px;margin-bottom:6px;display:flex}.assistant-icon{color:var(--text-muted);flex-shrink:0}.versions-sidebar{background:var(--bg-tertiary);border-left:1px solid var(--border);z-index:200;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);flex-direction:column;width:320px;height:100vh;transition:transform .3s cubic-bezier(.22,1,.36,1);display:flex;position:fixed;top:0;right:0;transform:translate(100%)}.versions-sidebar.open{transform:translate(0)}.sidebar-overlay{z-index:199;background:#0006;animation:.2s fadeIn;position:fixed;inset:0}.sidebar-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 16px;display:flex}.sidebar-title{color:var(--text-muted);flex:1;align-items:flex-start;gap:10px;min-width:0;display:flex}.sidebar-title span{color:var(--text-primary);font-size:14px;font-weight:700}.sidebar-subtitle{color:var(--text-muted);margin-top:2px;font-size:11px;line-height:1.4}.sidebar-close{border:1px solid var(--border);width:32px;height:32px;color:var(--text-muted);cursor:pointer;transition:all var(--transition);background:0 0;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.sidebar-close:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-light)}.versions-list{flex-direction:column;flex:1;gap:6px;padding:12px;display:flex;overflow-y:auto}.no-versions{text-align:center;color:var(--text-muted);padding:48px 24px}.no-versions p{color:var(--text-secondary);font-size:14px;font-weight:600}.no-versions .hint{color:var(--text-muted);margin-top:6px;font-size:12px;line-height:1.5}.version-item{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);text-align:left;width:100%;color:var(--text-primary);background:#ffffff05;flex-direction:column;gap:2px;padding:12px 14px;font-family:inherit;display:flex}.version-item:hover{background:var(--bg-hover);border-color:var(--border-light)}.version-item.active{border-color:var(--border-light);background:#ffffff0f}.version-item .version-label{align-items:center;gap:6px;font-size:13px;font-weight:600;display:flex}.version-item .version-time{color:var(--text-muted);font-size:11px}.version-item .version-prompt{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:11px;overflow:hidden}.restore-current-btn{border:1px solid var(--border-light);border-radius:var(--radius);width:100%;color:var(--text-secondary);cursor:pointer;transition:all var(--transition);background:#ffffff0a;align-items:center;gap:6px;margin-bottom:4px;padding:10px 14px;font-family:inherit;font-size:12px;font-weight:600;display:flex}.restore-current-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.project-brief-card.error{border-color:#d0727252;box-shadow:0 0 0 3px #d0727214}.chat-input-area{border-top:1px solid var(--border);padding:10px 14px 14px}.input-row{background:var(--bg-tertiary);border:1px solid var(--border);transition:border-color var(--transition);border-radius:20px;align-items:flex-end;gap:8px;padding:10px 12px;display:flex}.input-row:focus-within{border-color:var(--border-light)}.input-row textarea{resize:none;color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;min-height:22px;max-height:160px;font-size:13px;line-height:1.5;overflow-y:auto}.input-row textarea::placeholder{color:var(--text-muted)}.input-row textarea:disabled{opacity:.5;cursor:not-allowed}.input-actions{flex-shrink:0;align-items:center;gap:4px;display:flex}.send-button,.stop-button{cursor:pointer;width:34px;height:34px;transition:all var(--transition);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.send-button{color:#111;background:#f0f0f0}.send-button:hover:not(:disabled){background:#fff;transform:scale(1.06)}.send-button:disabled{opacity:.35;cursor:not-allowed}.stop-button{color:#e0a6a6;background:#d072722e;border:1px solid #d0727247}.stop-button:hover{background:#d0727247}.stop-square{background:currentColor;border-radius:2px;width:10px;height:10px;display:block}.chat-panel.full-screen{width:100%;min-width:unset;flex:1;max-width:680px;margin:0 auto}.chat-header-status{color:var(--text-muted);letter-spacing:.02em;align-items:center;gap:6px;margin-left:auto;font-size:11px;font-weight:600;display:inline-flex}.generation-progress{border:1px solid var(--border);background:#ffffff08;border-radius:20px;flex-direction:column;gap:10px;padding:14px 16px;animation:.2s slideUp;display:flex}.generation-progress-header{color:var(--text-secondary);letter-spacing:.02em;align-items:center;gap:7px;font-size:12px;font-weight:700;display:flex}.generation-progress-bar-wrap{background:#ffffff12;border-radius:999px;flex:1;height:4px;margin-left:4px;overflow:hidden}.generation-progress-bar{border-radius:inherit;background:linear-gradient(90deg,#ffffff4d,#ffffffd9);height:100%;transition:width .4s}.section-progress-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.section-progress-item{color:var(--text-muted);align-items:center;gap:7px;padding:3px 0;font-size:12px;transition:color .2s;display:flex}.section-progress-item.generating{color:var(--text-secondary)}.section-progress-item.done{color:#86efacd9}.section-progress-item.error{color:var(--error)}.section-progress-label{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.pending-dot{border:1.5px solid #ffffff2e;border-radius:50%;flex-shrink:0;width:12px;height:12px;display:block}.done-icon{color:#86efac;flex-shrink:0}.error-icon{color:var(--error);flex-shrink:0}.preview-with-sections{flex:1;gap:10px;min-width:0;display:flex;overflow:hidden}.section-panel{border:1px solid var(--border);background:#121212f5;border-radius:20px;flex-direction:column;width:200px;min-width:200px;display:flex;overflow:hidden}.section-panel-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;padding:10px 14px;display:flex}.section-panel-title{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-size:11px;font-weight:700}.section-panel-count{color:var(--text-muted);background:var(--accent-soft);border-radius:999px;padding:1px 7px;font-size:11px;font-weight:600}.section-list{flex-direction:column;flex:1;gap:2px;margin:0;padding:6px;list-style:none;display:flex;overflow-y:auto}.section-list::-webkit-scrollbar{width:3px}.section-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.section-item{cursor:pointer;transition:all var(--transition);border:1px solid #0000;border-radius:12px;align-items:center;gap:6px;padding:7px 8px;display:flex}.section-item:hover{background:var(--bg-hover);border-color:var(--border)}.section-item.selected{border-color:var(--border-light);background:#ffffff0f}.section-item.hidden-block{opacity:.45}.section-drag-handle{color:var(--text-muted);cursor:grab;flex-shrink:0;display:flex}.section-item-label{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:12px;font-weight:500;overflow:hidden}.section-item.selected .section-item-label{color:var(--text-primary)}.section-item-actions{align-items:center;gap:2px;display:none}.section-item:hover .section-item-actions{display:flex}.section-action-btn{cursor:pointer;width:24px;height:24px;color:var(--text-muted);transition:all var(--transition);background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;display:flex}.section-action-btn:hover{background:var(--bg-active);color:var(--text-primary)}.section-action-btn.danger:hover{color:var(--error);background:#d072722e}.spin-icon{flex-shrink:0;animation:.9s linear infinite spin}@property --tw-space-x-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-gradient-position{syntax:"*";inherits:false}@property --tw-gradient-from{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-via{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-to{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-stops{syntax:"*";inherits:false}@property --tw-gradient-via-stops{syntax:"*";inherits:false}@property --tw-gradient-from-position{syntax:"<length-percentage>";inherits:false;initial-value:0%}@property --tw-gradient-via-position{syntax:"<length-percentage>";inherits:false;initial-value:50%}@property --tw-gradient-to-position{syntax:"<length-percentage>";inherits:false;initial-value:100%}@property --tw-font-weight{syntax:"*";inherits:false}