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var(--border)}.modal-header-left{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--text-primary)}.modal-close{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all .15s}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-actions{display:flex;gap:6px;padding:12px 16px;border-bottom:1px solid var(--border);flex-wrap:wrap}.modal-action-btn{display:flex;align-items:center;gap:6px;padding:7px 12px;border-radius:var(--radius-sm);background:var(--bg-elevated);border:1px solid var(--border);font-size:11px;font-weight:600;color:var(--text-secondary);transition:all .15s}.modal-action-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-strong)}.modal-list{overflow-y:auto;flex:1;padding:8px}.modal-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:40px 20px;color:var(--text-muted);text-align:center}.modal-empty p{font-size:13px;font-weight:600;color:var(--text-secondary)}.modal-empty span{font-size:11px;color:var(--text-muted)}.modal-item{display:flex;align-items:stretch;border-radius:var(--radius-md);overflow:hidden;margin-bottom:4px;border:1px solid var(--border);transition:border-color .15s}.modal-item:hover{border-color:var(--border-strong)}.modal-item-main{flex:1;display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--bg-elevated);transition:background .15s;text-align:left}.modal-item-main:hover{background:var(--bg-hover)}.modal-item-info{display:flex;flex-direction:column;gap:3px}.modal-item-info strong{font-size:13px;font-weight:600;color:var(--text-primary)}.modal-item-info span{font-size:10px;color:var(--text-muted);font-family:var(--font-mono)}.modal-item-delete{width:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-elevated);border-left:1px solid var(--border);color:var(--text-muted);transition:all .15s}.modal-item-delete:hover{background:var(--accent-red-dim);color:var(--accent-red)}.mobile-fabs{position:fixed;right:16px;bottom:20px;display:flex;flex-direction:column;gap:10px;z-index:50}@media(min-width:900px){.mobile-fabs{display:none}}.fab{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);transition:all .2s}.fab:active{transform:scale(.93)}.fab--secondary{background:var(--bg-elevated);border:1px solid var(--border-strong);color:var(--text-secondary)}.fab--inspector{background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));color:#fff;box-shadow:var(--shadow-glow-blue)}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:60;animation:fade-in .2s ease}.bottom-sheet{position:fixed;left:0;right:0;bottom:0;background:var(--bg-surface);border-top:1px solid var(--border-strong);border-radius:var(--radius-xl) var(--radius-xl) 0 0;z-index:70;max-height:85vh;display:flex;flex-direction:column;animation:slide-up .3s cubic-bezier(.16,1,.3,1);overflow:hidden}@media(min-width:900px){.bottom-sheet{display:none}}.sheet-handle{width:40px;height:4px;background:var(--bg-active);border-radius:2px;margin:12px auto 0;flex-shrink:0}.sheet-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.sheet-tabs{display:flex;gap:4px;background:var(--bg-elevated);border-radius:var(--radius-sm);padding:3px}.sheet-tab{padding:5px 14px;border-radius:4px;font-size:12px;font-weight:600;color:var(--text-muted);transition:all .15s}.sheet-tab.active{background:var(--bg-hover);color:var(--text-primary)}.sheet-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);border-radius:var(--radius-sm);transition:all .15s}.sheet-close:hover{background:var(--bg-hover);color:var(--text-primary)}.sheet-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.sheet-tools{padding:14px 16px}.sheet-btn-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:4px}.sheet-tool-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:16px 8px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-elevated);transition:all .15s}.sheet-tool-btn span{font-size:12px;font-weight:700;color:var(--text-primary)}.sheet-tool-btn small{font-size:10px;color:var(--text-muted)}.sheet-tool-btn--blue:hover,.sheet-tool-btn--blue:active{border-color:#3b82f666;background:var(--accent-blue-dim);color:var(--accent-blue)}.sheet-tool-btn--green:hover,.sheet-tool-btn--green:active{border-color:#10b98166;background:var(--accent-green-dim);color:var(--accent-green)}.sheet-preset-list{display:flex;flex-direction:column;gap:6px}.sheet-inspector{height:100%;overflow-y:auto}.sheet-inspector .inspector-panel{height:auto}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-up{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-active);border-radius:2px}::-webkit-scrollbar-thumb:hover{background:var(--border-strong)}.canvas-container,.sidebar,.inspector-aside{user-select:none;-webkit-user-select:none}.brand-beta{font-size:8px;font-weight:800;color:var(--accent-red);background:var(--accent-red-dim);padding:2px 4px;border-radius:4px;letter-spacing:1px;margin-left:6px;vertical-align:super;text-transform:uppercase}.about-modal-content{text-align:center;padding:16px 0}.about-modal-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#8b5cf6);margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff;box-shadow:var(--shadow-glow-blue);overflow:hidden}.about-modal-avatar img{width:100%;height:100%;object-fit:cover}.about-modal-title{font-size:18px;font-weight:800;color:var(--text-primary);margin-bottom:8px}.about-modal-desc{font-size:13px;color:var(--text-muted);line-height:1.6;margin-bottom:24px;padding:0 16px}.about-modal-link{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);color:#fff;padding:10px 24px;border-radius:var(--radius-lg);font-size:14px;font-weight:700;text-decoration:none;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 12px #dc27434d}.about-modal-link:hover{transform:translateY(-2px);box-shadow:0 6px 16px #dc274366}.loading-screen{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-base);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:9999;color:var(--text-primary)}.loading-logo{position:relative;width:80px;height:80px;background:linear-gradient(135deg,#1d4ed8,#7c3aed);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin-bottom:24px;box-shadow:var(--shadow-glow-blue);z-index:2}.loading-icon{color:#fff;animation:pulse-icon 2s infinite ease-in-out}.loading-pulse{position:absolute;top:-10px;right:-10px;bottom:-10px;left:-10px;border-radius:calc(var(--radius-lg) + 10px);border:2px solid var(--accent-blue);opacity:0;animation:pulse-ring 2s infinite cubic-bezier(.215,.61,.355,1);z-index:1}.loading-text{text-align:center;animation:fade-in-up .8s ease forwards;opacity:0;transform:translateY(10px)}.loading-text h2{font-size:24px;font-weight:800;letter-spacing:4px;margin-bottom:8px}.loading-text h2 span{color:var(--accent-blue)}.loading-text p{font-size:13px;color:var(--text-muted);font-weight:500;letter-spacing:1px;text-transform:uppercase}.loading-footer{position:absolute;bottom:24px;font-size:10px;font-weight:600;letter-spacing:1.5px;color:#94a3b866;text-transform:uppercase;animation:fade-in 1.5s ease forwards}@keyframes pulse-icon{0%{transform:scale(1);opacity:.8}50%{transform:scale(1.1);opacity:1}to{transform:scale(1);opacity:.8}}@keyframes pulse-ring{0%{transform:scale(.8);opacity:.5}to{transform:scale(1.5);opacity:0}}@keyframes fade-in-up{to{opacity:1;transform:translateY(0)}}.fade-in{animation:fade-in .6s ease forwards}