:root{--bg-color: #0f172a;--text-color: #f8fafc;--primary-color: #3b82f6;--secondary-color: #64748b;--accent-color: #8b5cf6;--card-bg: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1);--font-family: "Inter", system-ui, -apple-system, sans-serif;--transition: all .3s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);line-height:1.6;min-height:100vh;background-image:radial-gradient(circle at 10% 20%,rgba(59,130,246,.15) 0%,transparent 20%),radial-gradient(circle at 90% 80%,rgba(139,92,246,.15) 0%,transparent 20%)}#app{max-width:1200px;margin:0 auto;padding:2rem}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem;padding-bottom:1rem;border-bottom:1px solid var(--glass-border)}h1{font-size:2.5rem;font-weight:800;background:linear-gradient(to right,var(--primary-color),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.05em}nav a{color:var(--secondary-color);text-decoration:none;margin-left:1.5rem;font-weight:500;transition:var(--transition)}nav a:hover{color:var(--primary-color)}.main-container{display:grid;grid-template-columns:1fr 350px;gap:2rem}@media(max-width:900px){.main-container{grid-template-columns:1fr}}.image-section{background:var(--card-bg);border:1px solid var(--glass-border);border-radius:1rem;padding:1.5rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-height:500px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}.upload-area{text-align:center;cursor:pointer;padding:3rem;border:2px dashed var(--secondary-color);border-radius:1rem;transition:var(--transition);width:100%;max-width:400px}.upload-area:hover{border-color:var(--primary-color);background:#3b82f60d}.upload-icon{font-size:3rem;margin-bottom:1rem;color:var(--secondary-color)}#image-preview-container{width:100%;height:100%;display:flex;justify-content:center;align-items:center;position:relative;cursor:crosshair}#target-image{max-width:100%;max-height:600px;border-radius:.5rem;box-shadow:0 10px 30px #0000004d;display:none}.magnifier{position:absolute;width:100px;height:100px;border:2px solid var(--text-color);border-radius:50%;pointer-events:none;display:none;z-index:10;background-repeat:no-repeat;background-color:var(--bg-color);box-shadow:0 0 10px #00000080}.tools-section{display:flex;flex-direction:column;gap:1.5rem}.card{background:var(--card-bg);border:1px solid var(--glass-border);border-radius:1rem;padding:1.5rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card h2{font-size:1.2rem;margin-bottom:1rem;color:var(--secondary-color);text-transform:uppercase;letter-spacing:.05em;font-size:.875rem}.color-preview-large{width:100%;height:100px;border-radius:.5rem;margin-bottom:1rem;border:1px solid var(--glass-border);box-shadow:inset 0 0 20px #0003;transition:background-color .2s}.color-value-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem;background:#0003;padding:.75rem;border-radius:.5rem}.color-label{font-weight:600;color:var(--secondary-color);font-size:.9rem}.color-code{font-family:Monaco,Consolas,monospace;font-size:1rem}.copy-btn{background:none;border:none;color:var(--primary-color);cursor:pointer;font-size:.9rem;padding:.25rem .5rem;border-radius:.25rem;transition:var(--transition)}.copy-btn:hover{background:#3b82f61a}.palette-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.5rem}.palette-swatch{aspect-ratio:1;border-radius:.5rem;cursor:pointer;transition:transform .2s;border:1px solid var(--glass-border)}.palette-swatch:hover{transform:scale(1.1);z-index:2}.btn{display:inline-block;padding:.75rem 1.5rem;background:var(--primary-color);color:#fff;border:none;border-radius:.5rem;font-weight:600;cursor:pointer;transition:var(--transition);text-align:center;width:100%}.btn:hover{background:#2563eb;transform:translateY(-1px)}.btn-secondary{background:transparent;border:1px solid var(--secondary-color);color:var(--text-color);margin-top:1rem}.btn-secondary:hover{border-color:var(--text-color);background:#ffffff0d}footer{margin-top:4rem;text-align:center;color:var(--secondary-color);font-size:.9rem;padding-top:2rem;border-top:1px solid var(--glass-border)}.hidden{display:none!important}