:root{--primary:#4f46e5;--primary-hover:#4338ca;--bg-color:#f8fafc;--surface:#fff;--text-main:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--success:#10b981;--error:#ef4444;--radius:12px;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}#root{flex-direction:column;min-height:100vh;display:flex}h1{letter-spacing:-.025em;margin-bottom:.5rem;font-size:2rem;font-weight:700}h2{margin-bottom:1rem;font-size:1.5rem;font-weight:600}p{color:var(--text-muted)}.app-container{flex-direction:column;flex:1;width:100%;max-width:800px;margin:0 auto;padding:2rem;display:flex}.header{text-align:center;margin-bottom:3rem;animation:.5s ease-out fadeInDown}.surface-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);padding:2rem;transition:box-shadow .2s;animation:.4s ease-out fadeIn}.surface-card:hover{box-shadow:var(--shadow-lg)}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-family:inherit;font-size:1rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{color:var(--text-main);border:1px solid var(--border);background-color:#fff}.btn-secondary:hover{background-color:var(--bg-color);border-color:var(--text-muted)}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;cursor:pointer;background:var(--surface);flex-direction:column;align-items:center;gap:1rem;padding:4rem 2rem;transition:all .3s;display:flex}.dropzone:hover,.dropzone.active{border-color:var(--primary);background:#eef2ff}.dropzone .icon{color:var(--primary);opacity:.8}.file-input{display:none}.editor-container{flex-direction:column;gap:1.5rem;display:flex}.canvas-wrapper{border-radius:var(--radius);width:100%;box-shadow:var(--shadow);touch-action:none;background-color:#e2e8f0;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.editor-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.toolbar-group{gap:.5rem;display:flex}.canvas-instruction{color:var(--text-main);border-left:4px solid var(--primary);background:#eff6ff;border-radius:8px;align-items:center;gap:.75rem;margin-bottom:.5rem;padding:.75rem 1rem;font-size:.9375rem;display:flex}.status-container{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:1.5rem;padding:3rem 0;display:flex}.spinner{border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:1s linear infinite spin}.success-icon{color:var(--success);width:64px;height:64px;animation:.5s cubic-bezier(.175,.885,.32,1.275) popIn}.error-msg{color:var(--error);background:#fef2f2;border:1px solid #fecaca;border-radius:8px;align-items:center;gap:.5rem;margin-bottom:1rem;padding:1rem;font-size:.875rem;animation:.4s ease-in-out shake;display:flex}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes popIn{0%{opacity:0;transform:scale(.5)}70%{transform:scale(1.1)}to{opacity:1;transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@media (width<=600px){.app-container{padding:1rem}.surface-card{padding:1.5rem}h1{font-size:1.5rem}}