:root{--bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);--card-bg: rgba(30, 41, 59, .7);--card-border: rgba(255, 255, 255, .08);--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-primary: #6366f1;--accent-secondary: #4f46e5;--accent-gradient: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);--success-color: #10b981;--input-bg: rgba(15, 23, 42, .6);--input-border: rgba(255, 255, 255, .1);--input-focus: #818cf8;--transition-smooth: all .3s cubic-bezier(.4, 0, .2, 1);font-family:Outfit,sans-serif;color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-gradient);color:var(--text-primary);min-height:100vh;display:flex;justify-content:center;align-items:center;padding:2rem 1rem;overflow-x:hidden}.container{width:100%;max-width:1000px;display:flex;flex-direction:column;gap:2.5rem}.header{text-align:center}.title{font-size:2.5rem;font-weight:800;letter-spacing:-.05em;background:linear-gradient(to right,#fff,#a5b4fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.subtitle{color:var(--text-secondary);font-size:1.05rem;font-weight:400;max-width:600px;margin:0 auto}.main-content{display:grid;grid-template-columns:1.2fr 1fr;gap:2rem;align-items:start}@media (max-width: 768px){.main-content{grid-template-columns:1fr}}.form-section,.qr-section{background:var(--card-bg);border:1px solid var(--card-border);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:1.5rem;padding:2.5rem;box-shadow:0 10px 30px -10px #00000080;transition:var(--transition-smooth)}.form-section:hover,.qr-section:hover{border-color:#ffffff26;box-shadow:0 15px 35px -5px #6366f11a}.config-form{display:flex;flex-direction:column;gap:1.5rem}.input-group{display:flex;flex-direction:column;gap:.5rem}.input-label{font-size:.9rem;font-weight:600;color:#c7d2fe;text-transform:uppercase;letter-spacing:.05em}.input-field{background:var(--input-bg);border:1px solid var(--input-border);border-radius:.75rem;padding:.85rem 1.1rem;color:var(--text-primary);font-size:1rem;outline:none;font-family:inherit;transition:var(--transition-smooth)}.input-field:focus{border-color:var(--input-focus);box-shadow:0 0 0 3px #818cf833}.input-field::placeholder{color:#ffffff40}.input-help{font-size:.8rem;color:var(--text-secondary)}.submit-btn{background:var(--accent-gradient);color:#fff;border:none;border-radius:.75rem;padding:1rem;font-size:1.05rem;font-weight:600;cursor:pointer;display:flex;justify-content:center;align-items:center;gap:.75rem;transition:var(--transition-smooth);box-shadow:0 4px 15px #6366f14d}.submit-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #6366f180;background:linear-gradient(135deg,#818cf8,#4f46e5)}.submit-btn:active{transform:translateY(0)}.btn-icon{width:20px;height:20px;transition:var(--transition-smooth)}.submit-btn:hover .btn-icon{transform:rotate(90deg)}.qr-container{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:300px;width:100%}.qr-placeholder{display:flex;flex-direction:column;align-items:center;gap:1.25rem;color:var(--text-secondary);text-align:center}.placeholder-icon{width:80px;height:80px;opacity:.4;animation:pulse 3s infinite ease-in-out}.qr-result{display:flex;flex-direction:column;align-items:center;gap:1.75rem;width:100%}.qr-result canvas{background:#fff;padding:1rem;border-radius:1rem;box-shadow:0 10px 25px #0000004d;max-width:100%;height:auto!important}.secondary-btn{background:#ffffff0d;color:var(--text-primary);border:1px solid var(--input-border);border-radius:.75rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:500;cursor:pointer;transition:var(--transition-smooth)}.secondary-btn:hover{background:#ffffff1a;border-color:#fff3}.hidden{display:none!important}.footer{text-align:center;color:#ffffff4d;font-size:.85rem}@keyframes pulse{0%,to{transform:scale(1);opacity:.4}50%{transform:scale(1.05);opacity:.6}}