@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap";:root{--primary-color:#6366f1;--primary-hover:#4f46e5;--bg-gradient-start:#0f172a;--bg-gradient-end:#1e293b;--glass-bg:#ffffff0d;--glass-border:#ffffff1a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--error-color:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background:linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));color:var(--text-primary);justify-content:center;align-items:center;min-height:100vh;font-family:Inter,sans-serif;display:flex;overflow-x:hidden}.app-container{flex-direction:column;align-items:center;width:100%;max-width:600px;padding:2rem;display:flex}.header{text-align:center;margin-bottom:3rem;animation:.8s ease-out forwards fadeInDown}.header h1{background:linear-gradient(90deg,#818cf8,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.5rem;font-weight:800}.header p{color:var(--text-secondary);font-size:1.1rem}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:20px;width:100%;padding:2.5rem;transition:transform .3s,box-shadow .3s;animation:.8s ease-out forwards fadeInUp;box-shadow:0 25px 50px -12px #00000080}.glass-card:hover{transform:translateY(-5px);box-shadow:0 30px 60px -12px #0009}.form-group{margin-bottom:1.5rem}.form-group label{color:var(--text-secondary);margin-bottom:.5rem;font-size:.9rem;font-weight:600;display:block}.form-control{border:1px solid var(--glass-border);width:100%;color:var(--text-primary);background:#0003;border-radius:10px;padding:.75rem 1rem;font-family:Inter,sans-serif;font-size:1rem;transition:all .3s}.form-control:focus{border-color:var(--primary-color);background:#0006;outline:none;box-shadow:0 0 0 3px #6366f133}.submit-btn{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:10px;width:100%;margin-top:1rem;padding:1rem;font-size:1.1rem;font-weight:600;transition:all .3s}.submit-btn:hover{background:var(--primary-hover);transform:scale(1.02)}.submit-btn:disabled{background:var(--text-secondary);cursor:not-allowed;transform:none}.result-section{text-align:center;border-top:1px solid var(--glass-border);margin-top:2rem;padding-top:2rem;animation:.5s ease-out forwards fadeIn}.result-section h2{color:var(--text-secondary);margin-bottom:.5rem;font-size:1.2rem}.result-value{color:#34d399;font-size:3rem;font-weight:800}.error-message{color:var(--error-color);text-align:center;margin-top:1rem;font-size:.9rem}@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)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}