@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg-base:#0f1117;--bg-surface:#181b24;--bg-surface-elevated:#212532;--bg-hover:#2d3345;--bg-active:#3a4259;--border-color:#ffffff14;--border-active:#6366f1;--text-primary:#f3f4f6;--text-secondary:#9ca3af;--text-muted:#6b7280;--accent-primary:#6366f1;--accent-hover:#4f46e5;--accent-light:#6366f126;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", monospace;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 10px 30px #00000080;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--transition-smooth:.35s cubic-bezier(.16, 1, .3, 1);--checkerboard:conic-gradient(#262a36 90deg, #1d212c 90deg 180deg, #262a36 180deg 270deg, #1d212c 270deg)}[data-theme=light]{--bg-base:#f3f4f6;--bg-surface:#fff;--bg-surface-elevated:#f9fafb;--bg-hover:#f3f4f6;--bg-active:#e5e7eb;--border-color:#00000014;--border-active:#4f46e5;--text-primary:#111827;--text-secondary:#4b5563;--text-muted:#9ca3af;--accent-primary:#4f46e5;--accent-hover:#4338ca;--accent-light:#4f46e51a;--checkerboard:conic-gradient(#e5e7eb 90deg, #fff 90deg 180deg, #e5e7eb 180deg 270deg, #fff 270deg)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;font-family:var(--font-sans);background-color:var(--bg-base);color:var(--text-primary);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;overflow:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff4d}.hidden{display:none!important}.glass-panel{-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);background:#181b24d9}[data-theme=light] .glass-panel{background:#ffffffd9}.transparent-bg{background-image:var(--checkerboard);background-size:20px 20px}#app{flex-direction:column;width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}.header-bar{background:var(--bg-surface);border-bottom:1px solid var(--border-color);z-index:50;flex-shrink:0;justify-content:space-between;align-items:center;height:54px;padding:0 16px;display:flex}.header-brand{color:var(--text-primary);align-items:center;gap:10px;font-size:1.1rem;font-weight:700;display:flex}.header-brand svg{color:var(--accent-primary)}.header-actions{align-items:center;gap:8px;display:flex}.main-workspace{flex:1;width:100%;height:calc(100vh - 54px);display:flex;position:relative;overflow:hidden}.sidebar-left{background:var(--bg-surface);border-right:1px solid var(--border-color);z-index:30;width:260px;transition:transform var(--transition-normal);flex-direction:column;flex-shrink:0;display:flex}.sidebar-section{border-bottom:1px solid var(--border-color);flex-direction:column;padding:12px;display:flex}.sidebar-section-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:10px;font-size:.75rem;font-weight:600}.tools-grid{grid-template-columns:repeat(2,1fr);gap:6px;display:grid}.canvas-container{background-color:var(--bg-base);flex:1;justify-content:center;align-items:center;height:100%;display:flex;position:relative;overflow:hidden}.canvas-viewport{cursor:grab;width:100%;height:100%;position:absolute;top:0;left:0}.canvas-viewport:active{cursor:grabbing}#main-canvas{box-shadow:var(--shadow-lg);transform-origin:0 0;image-rendering:pixelated;image-rendering:crisp-edges;border-radius:2px;position:absolute}#overlay-canvas{pointer-events:none;transform-origin:0 0;position:absolute}.canvas-controls-floating{border-radius:var(--radius-full);z-index:25;align-items:center;gap:8px;padding:6px 14px;display:flex;position:absolute;bottom:20px;left:50%;transform:translate(-50%)}.sidebar-right{background:var(--bg-surface);border-left:1px solid var(--border-color);z-index:30;flex-direction:column;flex-shrink:0;width:280px;display:flex;overflow-y:auto}.tool-config-panel{border-bottom:1px solid var(--border-color);padding:16px}.mobile-bottom-nav{background:var(--bg-surface);border-top:1px solid var(--border-color);z-index:100;justify-content:space-around;align-items:center;width:100%;height:64px;padding:0 8px;display:none;position:fixed;bottom:0;left:0}.mobile-nav-item{color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;background:0 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var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:520px;box-shadow:var(--shadow-lg);overflow:hidden}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--border-color);background:var(--bg-surface-elevated);justify-content:flex-end;gap:10px;padding:14px 20px;display:flex}.progress-bar-track{background:var(--bg-base);border-radius:4px;width:100%;height:8px;margin:12px 0;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--accent-primary), #818cf8);width:0%;height:100%;transition:width .2s}.btn-auth-trigger{padding:6px 14px;font-weight:600}.auth-header-container{align-items:center;display:flex;position:relative}.user-chip-dropdown-wrapper{position:relative}.user-chip-btn{background:var(--bg-surface-elevated);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:8px;padding:4px 10px 4px 5px;font-size:.8rem;font-weight:500;display:flex}.user-chip-btn:hover{background:var(--bg-hover);border-color:#fff3}.user-avatar{background:var(--accent-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;font-size:.75rem;font-weight:700;display:flex}.user-chip-name{white-space:nowrap;text-overflow:ellipsis;max-width:120px;overflow:hidden}.user-dropdown-menu{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);min-width:200px;box-shadow:var(--shadow-lg);z-index:1000;flex-direction:column;display:none;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden}.user-dropdown-menu.active{display:flex}.user-dropdown-header{flex-direction:column;gap:2px;padding:12px 14px;display:flex}.user-dropdown-header strong{color:var(--text-primary);font-size:.85rem}.user-dropdown-header small{color:var(--text-muted);word-break:break-all;font-size:.75rem}.dropdown-divider{border:none;border-top:1px solid var(--border-color);margin:0}.dropdown-item{color:var(--text-secondary);cursor:pointer;text-align:left;transition:background var(--transition-fast);background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:10px 14px;font-size:.82rem;font-weight:500;display:flex}.dropdown-item:hover{background:var(--bg-hover);color:var(--text-primary)}.dropdown-item.text-danger{color:var(--danger)}.dropdown-item.text-danger:hover{color:#f87171;background:#ef44441a}.auth-modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2000;background:#000000a6;justify-content:center;align-items:center;padding:16px;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.auth-modal-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:420px;padding:28px 24px;animation:.25s cubic-bezier(.16,1,.3,1) popIn;position:relative;box-shadow:0 20px 40px #0009}@keyframes popIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.auth-modal-close{color:var(--text-muted);cursor:pointer;transition:color var(--transition-fast);background:0 0;border:none;border-radius:50%;padding:6px;font-size:1rem;line-height:1;position:absolute;top:14px;right:14px}.auth-modal-close:hover{color:var(--text-primary);background:var(--bg-hover)}.auth-modal-header{text-align:center;margin-bottom:20px}.auth-logo-badge{background:var(--accent-light);width:44px;height:44px;color:var(--accent-primary);border-radius:12px;justify-content:center;align-items:center;margin-bottom:12px;display:inline-flex}.auth-modal-title{color:var(--text-primary);margin:0 0 6px;font-size:1.25rem;font-weight:700}.auth-modal-subtitle{color:var(--text-secondary);margin:0;font-size:.82rem}.auth-tabs{background:var(--bg-base);border-radius:var(--radius-md);border:1px solid var(--border-color);margin-bottom:20px;padding:4px;display:flex}.auth-tab-btn{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;flex:1;padding:8px;font-size:.82rem;font-weight:600}.auth-tab-btn.active{background:var(--bg-surface-elevated);color:var(--text-primary);box-shadow:var(--shadow-sm)}.auth-form{flex-direction:column;display:flex}.btn-block{width:100%;margin-top:6px;padding:10px;font-size:.88rem}.auth-link-sm{color:var(--accent-primary);font-size:.75rem;font-weight:400;text-decoration:none}.auth-link-sm:hover{text-decoration:underline}.auth-alert{border-radius:var(--radius-md);margin-bottom:16px;padding:10px 14px;font-size:.8rem;line-height:1.4}.auth-alert-error{color:#fca5a5;background:#ef444426;border:1px solid #ef44444d}.auth-alert-success{color:#6ee7b7;background:#10b98126;border:1px solid #10b9814d}