:root{--primary: #2563eb;--secondary: #7c3aed;--accent: #f59e0b;--background: #f8fafc;--surface: #ffffff;--paper: #fff8dc;--text: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--success: #10b981;--warning: #f59e0b;--error: #ef4444}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--background);color:var(--text);line-height:1.6;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.p-4{padding:1rem}.p-6{padding:1.5rem}.px-4{padding-left:1rem;padding-right:1rem}.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-4{padding-top:1rem;padding-bottom:1rem}.m-4{margin:1rem}.mb-4{margin-bottom:1rem}.mt-4{margin-top:1rem}.rounded{border-radius:.375rem}.rounded-lg{border-radius:.5rem}.rounded-xl{border-radius:.75rem}.border{border:1px solid var(--border)}.border-2{border:2px solid var(--border)}.bg-surface{background:var(--surface)}.bg-primary{background:var(--primary)}.bg-secondary{background:var(--secondary)}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-center{text-align:center}.text-left{text-align:left}.w-full{width:100%}.h-full{height:100%}.min-h-screen{min-height:100vh}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border:none;border-radius:.375rem;font-weight:500;font-size:.875rem;cursor:pointer;transition:all .2s ease;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:#1d4ed8;transform:translateY(-1px)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border);transform:translateY(-1px)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.input{width:100%;padding:.5rem .75rem;border:1px solid var(--border);border-radius:.375rem;background:var(--surface);color:var(--text);font-size:.875rem;transition:border-color .2s ease}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #667eea1a}.slider{-webkit-appearance:none;width:100%;height:6px;border-radius:3px;background:var(--border);outline:none;opacity:.7;transition:opacity .2s}.slider:hover{opacity:1}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--primary);cursor:pointer;box-shadow:0 2px 4px #00000026;border:2px solid white}.slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--primary);cursor:pointer;border:2px solid white;box-shadow:0 2px 4px #00000026}.card{background:var(--surface);border:1px solid var(--border);border-radius:1rem;padding:1.5rem;transition:all .3s ease;box-shadow:0 1px 3px #0000001a;margin-bottom:1rem}.card:hover{border-color:var(--primary);box-shadow:0 4px 12px #00000026;transform:translateY(-1px)}.card:last-child{margin-bottom:0}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}.card-title{font-size:1.1rem;font-weight:600;color:var(--text);margin:0}.card-subtitle{font-size:.875rem;color:var(--text-secondary);margin:0}.fade-in{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.slide-in{animation:slideIn .3s ease-out}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}@media (max-width: 600px){.card{padding:1rem;margin-bottom:1rem}.text-2xl{font-size:1.25rem}.p-6{padding:1rem}.sidebar{width:100%!important;position:relative!important;border-right:none!important;border-bottom:1px solid var(--border)}.main-layout{flex-direction:column!important}.canvas-container{height:50vh!important;min-height:300px}.panel-tabs{flex-wrap:wrap}.panel-tab{flex:1;min-width:120px}}@media (min-width: 601px){.sidebar{height:calc(100vh - 80px);overflow:hidden;width:320px;min-width:280px}.sidebar .flex-1{overflow-y:auto;overflow-x:hidden}.canvas-container{height:calc(100vh - 80px);display:flex;align-items:center;justify-content:center;flex:1}.canvas-container canvas{max-height:100%;max-width:100%;object-fit:contain}}@media (min-width: 601px) and (max-width: 1400px){.sidebar{width:300px;min-width:260px}}@media (min-width: 601px) and (max-width: 1000px){.sidebar{width:280px;min-width:240px}}