:root{--primary-hue:250;--bg-color:hsl(var(--primary-hue), 20%, 8%);--surface-color:hsl(var(--primary-hue), 20%, 12%);--surface-hover:hsl(var(--primary-hue), 20%, 16%);--border-color:hsl(var(--primary-hue), 15%, 25%);--brand-main:hsl(var(--primary-hue), 80%, 65%);--brand-hover:hsl(var(--primary-hue), 80%, 75%);--text-main:hsl(var(--primary-hue), 10%, 95%);--text-muted:hsl(var(--primary-hue), 10%, 65%);--radius-md:12px;--radius-lg:20px;--radius-full:9999px;--transition:.2s cubic-bezier(.4, 0, .2, 1);--shadow-sm:0 4px 6px -1px #0003;--shadow-md:0 10px 15px -3px #0006;--shadow-glow:0 0 20px hsla(var(--primary-hue), 80%, 65%, .2)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);flex-direction:column;min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;display:flex}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2}button{all:unset;box-sizing:border-box;cursor:pointer;transition:all var(--transition)}.app-container{width:100%;max-width:900px;margin:0 auto;padding:3rem 1.5rem}.header{text-align:center;margin-bottom:3rem;animation:.6s ease-out fadeInDown}.title{background:linear-gradient(135deg, #fff, var(--brand-main));color:#0000;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;margin-bottom:.5rem;font-size:2.5rem}.subtitle{color:var(--text-muted);font-size:1.1rem}.dropzone-container{--drag-active:0;background-color:var(--surface-color);border:2px dashed var(--border-color);border-radius:var(--radius-lg);text-align:center;transition:all var(--transition);cursor:pointer;box-shadow:var(--shadow-md);padding:4rem 2rem;position:relative;overflow:hidden}.dropzone-container:hover{border-color:var(--brand-main);background-color:var(--surface-hover)}.dropzone-container.active{border-color:var(--brand-main);background-color:hsla(var(--primary-hue), 80%, 65%, .1);box-shadow:var(--shadow-glow);transform:scale(1.02)}.icon-wrapper{color:var(--brand-main);transition:transform var(--transition);margin-bottom:1.5rem}.dropzone-container:hover .icon-wrapper{transform:translateY(-5px)}.file-input{display:none}.controls-card{background-color:var(--surface-color);border-radius:var(--radius-md);border:1px solid var(--border-color);flex-wrap:wrap;justify-content:center;gap:1.5rem;margin-top:2rem;padding:1.5rem;animation:.4s ease-out fadeInUp;display:flex}.control-group{flex-direction:column;align-items:flex-start;gap:.5rem;display:flex}.control-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;font-weight:500}.control-input{background-color:var(--bg-color);border:1px solid var(--border-color);color:var(--text-main);border-radius:var(--radius-md);width:120px;transition:border-color var(--transition);padding:.5rem 1rem;font-family:inherit;font-size:1rem}.control-input:focus{border-color:var(--brand-main);outline:none}.result-actions{justify-content:center;gap:1rem;margin-top:2rem;animation:.5s ease-out fadeInUp;display:flex}.btn{border-radius:var(--radius-md);box-shadow:var(--shadow-sm);align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;display:inline-flex}.btn-primary{background-color:var(--brand-main);color:#fff}.btn-primary:hover{background-color:var(--brand-hover);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.btn-secondary{border:1px solid var(--border-color);color:var(--text-main);background-color:#0000}.btn-secondary:hover{background-color:var(--surface-hover);border-color:var(--brand-main)}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}