@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--primary: #4F46E5;--primary-hover: #4338ca;--primary-light: #EEF2FF;--bg-app: #F3F4F6;--bg-sidebar: #FFFFFF;--bg-panel: rgba(255, 255, 255, .85);--text-main: #111827;--text-secondary: #6B7280;--text-tertiary: #9CA3AF;--border-light: #E5E7EB;--border-focus: #4F46E5;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .15);--sidebar-width: 300px;--header-height: 64px;--radius-md: 10px;--radius-lg: 16px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;margin:0;padding:0;background-color:var(--bg-app);color:var(--text-main);height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased}.app-container{display:grid;grid-template-columns:var(--sidebar-width) 1fr;grid-template-rows:100vh;width:100vw;height:100vh}.sidebar{background-color:var(--bg-sidebar);border-right:1px solid var(--border-light);padding:24px;display:flex;flex-direction:column;gap:24px;overflow-y:auto;box-shadow:var(--shadow-sm);z-index:10}.sidebar-header{margin-bottom:8px}.back-link{display:inline-flex;align-items:center;color:var(--text-secondary);text-decoration:none;font-size:13px;font-weight:500;margin-bottom:16px;transition:transform .2s,color .2s}.back-link:hover{color:var(--primary);transform:translate(-4px)}.sidebar-title{font-size:22px;font-weight:700;margin:0;color:var(--text-main);letter-spacing:-.02em;background:linear-gradient(135deg,#111827,#4b5563);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-content{display:flex;flex-direction:column;gap:24px}.control-group{display:flex;flex-direction:column;gap:10px}.control-label{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;display:flex;justify-content:space-between;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:var(--radius-md);font-weight:500;font-size:14px;cursor:pointer;border:1px solid transparent;transition:all .2s cubic-bezier(.4,0,.2,1);gap:8px;text-decoration:none;-webkit-user-select:none;user-select:none}.btn:active{transform:scale(.98)}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 4px 6px -1px #4f46e54d}.btn-primary:hover{background-color:var(--primary-hover);box-shadow:0 6px 8px -1px #4f46e566}.btn-secondary{background-color:#fff;border-color:var(--border-light);color:var(--text-main);box-shadow:var(--shadow-sm)}.btn-secondary:hover{background-color:#f9fafb;border-color:#d1d5db;color:#000}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;box-shadow:0 4px 6px -1px #dc26264d}.btn-danger:hover{filter:brightness(1.1)}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;border-radius:var(--radius-md);border:1px solid var(--border-light);background:#fff;font-size:14px;color:var(--text-main);box-sizing:border-box;transition:all .2s ease;font-family:inherit;-webkit-appearance:none;-moz-appearance:none;appearance:none}.form-select{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right .5rem center;background-repeat:no-repeat;background-size:1.5em 1.5em;padding-right:2.5rem}.form-input:hover,.form-select:hover,.form-textarea:hover{border-color:#d1d5db}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e526}.card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-md)}.main-content{background-color:var(--bg-app);position:relative;overflow:hidden;display:flex;flex-direction:column}.canvas-container{flex:1;position:relative;background-size:20px 20px;background-image:linear-gradient(to right,#e5e7eb 1px,transparent 1px),linear-gradient(to bottom,#e5e7eb 1px,transparent 1px);background-color:#f9fafb}.floating-panel{position:absolute;bottom:24px;left:50%;transform:translate(-50%);width:90%;max-width:800px;background:#fffc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.4);border-radius:var(--radius-lg);box-shadow:var(--glass-shadow);padding:16px 24px;z-index:20;display:flex;flex-direction:column;gap:12px;transition:transform .3s cubic-bezier(.4,0,.2,1)}.floating-panel:hover{transform:translate(-50%) translateY(-2px);background:#ffffffe6}hr{border:0;height:1px;background:var(--border-light);margin:16px 0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#9ca3af}.text-sm{font-size:12px;color:var(--text-secondary)}.flex-row{display:flex;align-items:center;gap:8px}.flex-1{flex:1}.mt-4{margin-top:16px}body.dark{--bg-app: #111827;--bg-sidebar: #1F2937;--bg-panel: rgba(31, 41, 55, .85);--text-main: #F9FAFB;--text-secondary: #9CA3AF;--text-tertiary: #6B7280;--border-light: #374151;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .3)}body.dark .card,body.dark .form-input,body.dark .form-select,body.dark .form-textarea,body.dark .sidebar{background-color:var(--bg-sidebar);color:var(--text-main)}body.dark .btn-secondary{background-color:#374151;border-color:#4b5563;color:#fff}body.dark .btn-secondary:hover{background-color:#4b5563}body.dark .canvas-container{background-image:linear-gradient(to right,#374151 1px,transparent 1px),linear-gradient(to bottom,#374151 1px,transparent 1px);background-color:#111827}body.dark .sidebar-title{background:linear-gradient(135deg,#60a5fa,#a78bfa);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}body.dark .form-textarea{background-color:#1f2937;color:#f9fafb}@media (max-width: 1024px){.app-container{grid-template-columns:1fr;grid-template-rows:auto 1fr;height:100vh}.sidebar{height:auto;max-height:250px;padding:16px;border-right:none;border-bottom:1px solid var(--border-light);gap:16px;overflow-y:auto}.sidebar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:0}.sidebar-content{gap:16px}.floating-panel{width:95%;bottom:16px;padding:12px}.btn{padding:12px 20px}}.avatar-loader-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#ffffffd9;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:50;transition:opacity .5s ease;opacity:0;pointer-events:none}.avatar-loader-overlay.active{opacity:1;pointer-events:auto}.avatar-loader-spinner{width:40px;height:40px;border:4px solid rgba(79,70,229,.2);border-top:4px solid var(--primary);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:12px}.avatar-loader-text{font-size:14px;font-weight:600;color:var(--text-main);font-family:Inter,sans-serif}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}body.dark .avatar-loader-overlay{background:#111827d9}