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h3{color:var(--text-primary);margin-bottom:.25rem;font-size:1rem;font-weight:600}.toolkit-tool-card-description{color:var(--text-secondary);margin-bottom:.5rem;font-size:.875rem;line-height:1.4}.toolkit-tool-card-tip{color:#2997ff;font-size:.75rem;font-style:italic}.toolkit-welcome-footer{text-align:center;border-top:1px solid var(--border-color);padding:2rem 0}.toolkit-welcome-footer p{color:var(--text-secondary);margin-bottom:1rem;font-size:.875rem}.toolkit-welcome-button{color:#2997ff;background:linear-gradient(135deg,#2997ff1f 0%,#2997ff14 100%);border:1px solid #2997ff33;border-radius:8px;padding:.75rem 1.5rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block;box-shadow:0 2px 4px #2997ff1a,inset 0 1px #2997ff33}[data-theme=dark] .toolkit-welcome-button{color:#5ab4ff;background:linear-gradient(135deg,#2997ff2e 0%,#2997ff1f 100%)}.toolkit-welcome-button:hover{background:linear-gradient(135deg,#2997ff2e 0%,#2997ff1f 100%);transform:translateY(-2px);box-shadow:0 4px 12px #2997ff33,inset 0 1px #2997ff4d}.toolkit-placeholder-container{justify-content:center;align-items:center;min-height:60vh;display:flex}.toolkit-placeholder-content{text-align:center;color:var(--text-secondary)}.toolkit-placeholder-icon{color:var(--text-muted);margin-bottom:20px}.toolkit-placeholder-title{color:var(--text-primary);margin-bottom:12px;font-size:24px;font-weight:600}.toolkit-placeholder-text{margin-bottom:8px;font-size:15px;line-height:1.6}.toolkit-placeholder-note{color:var(--text-muted);margin-top:16px;font-size:13px;font-style:italic}.toolkit-placeholder-code{background:var(--bg-secondary);border-radius:4px;padding:2px 6px;font-family:Courier New,monospace;font-size:12px}.desktop-only{display:inline}.toolkit-welcome-hero{margin-bottom:32px}.toolkit-welcome-emoji{font-size:48px}.toolkit-welcome-title{margin-bottom:8px;font-size:28px}.toolkit-welcome-subtitle{font-size:15px}.toolkit-helper-container{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;width:100%;max-width:100%;margin:0 0 32px;padding:24px;transition:all .3s;box-shadow:0 4px 12px #00000014}.toolkit-helper-header{align-items:center;gap:12px;margin-bottom:16px;display:flex}.toolkit-helper-icon{color:#fff;background:linear-gradient(135deg,#2997ff 0%,#1e7ee6 100%);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.toolkit-helper-text{flex:1}.toolkit-helper-text h3{color:var(--text-primary);margin:0 0 2px;font-size:16px;font-weight:600}.toolkit-helper-text p{color:var(--text-secondary);margin:0;font-size:13px}.toolkit-helper-input-area{position:relative}.toolkit-helper-input{background:var(--bg-primary);border:1px solid var(--border-color);width:100%;color:var(--text-primary);box-sizing:border-box;border-radius:10px;outline:none;padding:12px 52px 12px 16px;font-size:16px;transition:all .2s}.toolkit-helper-input:disabled{opacity:.6}.toolkit-helper-send-btn{background:var(--bg-secondary);cursor:not-allowed;color:#fff;opacity:.5;border:none;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex;position:absolute;top:50%;right:6px;transform:translateY(-50%)}.toolkit-helper-send-btn:not(:disabled){cursor:pointer;opacity:1;background:#2997ff}.toolkit-welcome-tips{margin-bottom:32px}.toolkit-welcome-section-title{color:var(--text-primary);align-items:center;gap:8px;margin-bottom:14px;font-size:16px;font-weight:600;display:flex}.toolkit-welcome-tips-grid{grid-template-columns:repeat(5,1fr);gap:12px;display:grid}.toolkit-welcome-tip-card{border:1px solid var(--border-color);text-align:left;cursor:pointer;background:0 0;border-radius:12px;padding:16px;transition:all .2s}.toolkit-tip-icon-wrapper{color:#2997ff;background:#2997ff1a;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;margin-bottom:12px;display:flex}.toolkit-welcome-tip-card h3{color:var(--text-primary);margin:0 0 4px;font-size:14px;font-weight:600}.toolkit-welcome-tip-card p{color:var(--text-secondary);margin:0;font-size:12px;line-height:1.4}.toolkit-welcome-tools-grid{flex-wrap:wrap;gap:10px;display:flex}.toolkit-welcome-tool-link{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:8px;align-items:center;gap:8px;padding:10px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.tool-name-full{display:inline}.tool-name-short{display:none}@media (max-width:1024px){.toolkit-sidebar{z-index:100;height:calc(100vh - 60px);position:fixed;top:60px;left:0;box-shadow:2px 0 12px #00000026,inset -1px 0 #ffffff0d}[data-theme=dark] .toolkit-sidebar{box-shadow:2px 0 12px #0006,inset -1px 0 #ffffff0d}.toolkit-sidebar.closed{width:260px;transform:translate(-100%)}.toolkit-canvas-content{padding:20px}.toolkit-welcome-container{padding:2rem 1rem}}@media (max-width:1023px){.desktop-only{display:none}.toolkit-welcome-hero{text-align:center;margin-bottom:24px}.toolkit-welcome-emoji{font-size:36px}.toolkit-welcome-title{font-size:22px}.toolkit-welcome-subtitle{font-size:14px}.toolkit-helper-container{border-radius:12px;margin:0 0 24px;padding:16px}.toolkit-helper-header{gap:10px;margin-bottom:12px}.toolkit-helper-icon{border-radius:8px;width:36px;height:36px}.toolkit-helper-icon svg{width:18px;height:18px}.toolkit-helper-text h3{font-size:15px}.toolkit-helper-text p{font-size:12px}.toolkit-helper-input{border-radius:8px;padding:10px 48px 10px 14px;font-size:16px}.toolkit-helper-send-btn{border-radius:6px;width:32px;height:32px;right:4px}.toolkit-helper-send-btn svg{width:14px;height:14px}.toolkit-welcome-tips{margin-bottom:24px;padding:0 20px}.toolkit-welcome-section-title{margin-bottom:12px;font-size:15px}.toolkit-welcome-section-title svg{width:16px;height:16px}.toolkit-welcome-tips-grid{grid-template-columns:repeat(2,1fr);gap:10px}.toolkit-welcome-tip-card{border-radius:10px;padding:14px}.toolkit-tip-icon-wrapper{width:28px;height:28px;margin-bottom:10px}.toolkit-tip-icon-wrapper svg{width:16px;height:16px}.toolkit-welcome-tip-card h3{font-size:13px}.toolkit-welcome-tip-card p{font-size:11px}.toolkit-welcome-tools{padding:0 20px}.toolkit-welcome-tools .toolkit-welcome-section-title{margin-bottom:12px;font-size:15px}.toolkit-welcome-tools-grid{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.toolkit-welcome-tool-link{border-radius:8px;justify-content:flex-start;gap:6px;padding:12px 16px;font-size:12px;display:flex}.toolkit-welcome-tool-link svg{width:14px;height:14px}.tool-name-full{display:none}.tool-name-short{display:inline}}@media (max-width:768px){.toolkit-welcome-content{gap:2rem}}@media (max-width:640px){.toolkit-topbar-left{gap:8px}.toolkit-back-link span{display:none}.toolkit-current-tool-badge{padding:6px 10px;font-size:13px}.toolkit-canvas-content{padding:16px}.toolkit-welcome-container{padding:1.5rem 1rem}.toolkit-helper-messages{scrollbar-width:thin;scrollbar-color:#ffffff26 transparent}[data-theme=light] .toolkit-helper-messages{scrollbar-color:#00000026 transparent}.toolkit-helper-messages::-webkit-scrollbar{width:6px}.toolkit-helper-messages::-webkit-scrollbar-track{background:0 0}.toolkit-helper-messages::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:3px}.toolkit-helper-messages::-webkit-scrollbar-thumb:hover{background:#ffffff40}[data-theme=light] .toolkit-helper-messages::-webkit-scrollbar-thumb{background:#00000026}[data-theme=light] .toolkit-helper-messages::-webkit-scrollbar-thumb:hover{background:#00000040}}